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Item 16. FORM 10-K SUMMARY

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Item 16. FORM 10-K SUMMARY

None.

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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

SBA COMMUNICATIONS CORPORATION
By:/s/ Jeffrey A. Stoops
Jeffrey A. Stoops Chief Executive Officer and President
Date:March 1, 2022

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

SignatureTitleDate
/s/ Steven E. BernsteinChairman of the Board of DirectorsMarch 1, 2022
Steven E. Bernstein
/s/ Jeffrey A. StoopsChief Executive Officer and PresidentMarch 1, 2022
Jeffrey A. Stoops(Principal Executive Officer)
/s/ Brendan T. CavanaghChief Financial Officer and Executive Vice PresidentMarch 1, 2022
Brendan T. Cavanagh(Principal Financial Officer)
/s/ Brian D. LazarusChief Accounting Officer and Senior Vice PresidentMarch 1, 2022
Brian D. Lazarus(Principal Accounting Officer)
/s/ Mary S. ChanDirectorMarch 1, 2022
Mary S. Chan
/s/ Duncan H. CocroftDirectorMarch 1, 2022
Duncan H. Cocroft
/s/ George R. Krouse Jr.DirectorMarch 1, 2022
George R. Krouse Jr.
/s/ Jack LangerDirectorMarch 1, 2022
Jack Langer
/s/ Kevin L. BeebeDirectorMarch 1, 2022
Kevin L. Beebe
/s/ Fidelma RussoDirectorMarch 1, 2022
Fidelma Russo

SBA COMMUNICATIONS CORPORATION AND SUBSIDIARIES

CONSOLIDATED FINANCIAL STATEMENTS

Table of Contents

Page
Report of Independent Registered Public Accounting Firm (PCAOB ID: 42)F-1
Consolidated Balance Sheets as of December 31, 2021 and 2020F-3
Consolidated Statements of Operations for the years ended December 31, 2021, 2020, and 2019F-4
Consolidated Statements of Comprehensive Income (Loss) for the years ended December 31, 2021, 2020, and 2019F-5
Consolidated Statements of Shareholders’ Deficit for the years ended December 31, 2021, 2020, and 2019F-6
Consolidated Statements of Cash Flows for the years ended December 31, 2021, 2020, and 2019F-7
Notes to Consolidated Financial StatementsF-9

Report of Independent Registered Public Accounting Firm

To the Shareholders and the Board of Directors of SBA Communications Corporation and Subsidiaries

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of SBA Communications Corporation and Subsidiaries (the Company) as of December 31, 2021 and 2020, the related consolidated statements of operations, comprehensive income (loss), shareholders' deficit, and cash flows for each of the three years in the period ended December 31, 2021, and the related notes and financial statement schedule listed in the index at Item 15(a) (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company at December 31, 2021 and 2020, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2021, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company's internal control over financial reporting as of December 31, 2021, based on criteria established in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) and our report dated March 1, 2022 expressed an unqualified opinion thereon.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company’s financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matter

The critical audit matter communicated below is a matter arising from the current period audit of the financial statements that was communicated or required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective or complex judgments. The communication of the critical audit matter does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

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F-1

Accounting for Ground Leases
Description of the MatterAs more fully described in Note 2 to the consolidated financial statements, the Company recognizes a right-of-use asset and a lease liability for its operating lease contracts, initially measured at the present value of the lease payments. As of December 31, 2021, the Company had $2.3 billion of operating lease right-of-use assets, net, $236.8 million of current operating lease liabilities, and $2.0 billion of long-term lease liabilities. For the period ended December 31, 2021, the total operating lease right-of-use assets obtained for new operating lease liabilities were $33.3 million and adjustments associated with lease modifications and reassessments were $36.8 million. The Company’s primary operating lease obligations are its long-term lease contracts for land that underlies its tower structures. The Company’s ground leases generally do not provide a readily determinable implicit discount rate. When the rate implicit in the lease is not readily determinable, the Company calculates the present value of the lease payments by estimating the Company’s incremental borrowing rate (“IBR”). The IBR is the rate of interest that the Company would have to pay to borrow on a collateralized basis over a similar term in a similar economic environment. The process to estimate the Company’s IBR includes the use of unobservable inputs and considers the public credit rating of the Company, observable debt yields of the Company and the related debt’s seniority, adjustments for leases denominated in different currencies, and the remaining lease term. The Company’s ground lease liabilities require reassessment of the lease terms or lease payments as a result of contract modifications, addition of significant leasehold improvements which impact the assessment of optional renewals that are reasonably certain of being exercised, or the exercise of renewal options by tenants, which differ from prior expectations. The IBR is computed on a lease-by-lease basis upon each of these reassessments. Auditing the Company’s accounting for ground leases was complex and involved a high degree of subjective auditor judgment because of the significant judgment exercised by the Company to account for ground leases. The IBR is estimated using the unobservable inputs discussed above related to the collateral and term of the leased assets, and the related lease liability is sensitive to changes in the Company's IBR. The determination of the lease term requires evaluating renewal options in making the determination of the period for which the Company is reasonably certain to remain on the site. The frequency with which leases must be reassessed adds to the complexity associated with auditing the ground lease related balances.
How We Addressed the Matter in Our AuditWe obtained an understanding, evaluated and tested the design and operating effectiveness of the Company’s internal controls related to accounting for ground leases. For example, we tested the Company’s controls over the review of the accounting policy, including the methodology and assumptions used to estimate the IBR and the remaining lease term. We also tested the controls over the review of ground lease contracts and the key system functionality used to account for ground leases. To test the Company’s accounting for ground leases, our audit procedures included, among others, evaluating the methodology used to calculate the IBR, evaluating the assumptions and underlying data used by the Company to estimate the IBR, identifying events which require reassessment of the lease term or lease payments, and estimating the remaining lease term. We involved our valuation specialists to assist in the evaluation of the methodologies and assumptions applied to estimate the IBR. Specifically, we compared the Company’s credit rating used in the IBR estimate to independent third-party sources and compared the Company’s existing borrowing rate for collateralized assets to observable debt yields of the Company. We compared the inputs used to adjust for lease payments to be made over varying periods and in various currencies to third-party sources. We assessed the remaining lease term by selecting a sample of new ground leases and ground lease modifications and reassessments for which we independently evaluated the period the Company is reasonably certain to remain on the site, and compared to the remaining lease term in the Company’s audited schedules. We also evaluated the Company’s disclosures included in Note 2 to the consolidated financial statements.
/s/ Ernst & Young LLP
We have served as the Company’s auditor since 2002.

Boca Raton, Florida

March 1, 2022 ‎

F-2

SBA COMMUNICATIONS CORPORATION AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

(in thousands, except par values)

December 31,December 31,
20212020
ASSETS
Current assets:
Cash and cash equivalents$367,278$308,560
Restricted cash65,56131,671
Accounts receivable, net101,95074,088
Costs and estimated earnings in excess of billings on uncompleted contracts48,84434,796
Prepaid expenses and other current assets30,81323,875
Total current assets614,446472,990
Property and equipment, net2,575,4872,677,326
Intangible assets, net2,803,2473,156,150
Operating lease right-of-use assets, net2,268,4702,369,358
Acquired and other right-of-use assets, net964,4054,202
Other assets575,644477,992
Total assets$9,801,699$9,158,018
LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS,
AND SHAREHOLDERS' DEFICIT
Current Liabilities:
Accounts payable$34,066$109,969
Accrued expenses68,07063,031
Current maturities of long-term debt24,00024,000
Deferred revenue184,380113,117
Accrued interest49,09654,350
Current lease liabilities238,497236,037
Other current liabilities18,22214,297
Total current liabilities616,331614,801
Long-term liabilities:
Long-term debt, net12,278,69411,071,796
Long-term lease liabilities1,981,3532,094,363
Other long-term liabilities191,475186,246
Total long-term liabilities14,451,52213,352,405
Redeemable noncontrolling interests17,25015,194
Shareholders' deficit:
Preferred stock - par value $0.01, 30,000 shares authorized, no shares issued or outstanding——
Common stock - Class A, par value $0.01, 400,000 shares authorized, 108,956 shares and
109,819 shares issued and outstanding at December 31, 2021 and December 31, 2020,
respectively1,0891,098
Additional paid-in capital2,681,3472,586,130
Accumulated deficit(7,203,531)(6,604,028)
Accumulated other comprehensive loss, net(762,309)(807,582)
Total shareholders' deficit(5,283,404)(4,824,382)
Total liabilities, redeemable noncontrolling interests, and shareholders' deficit$9,801,699$9,158,018

The accompanying notes are an integral part of these consolidated financial statements.

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F-3

SBA COMMUNICATIONS CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except per share amounts)

For the year ended December 31,
202120202019
Revenues:
Site leasing$2,104,087$1,954,472$1,860,858
Site development204,747128,666153,787
Total revenues2,308,8342,083,1382,014,645
Operating expenses:
Cost of revenues (exclusive of depreciation, accretion,
and amortization shown below):
Cost of site leasing386,391373,778373,951
Cost of site development159,093102,750119,080
Selling, general, and administrative expenses220,029194,267192,717
Acquisition and new business initiatives related
adjustments and expenses27,62116,58215,228
Asset impairment and decommission costs33,04440,09733,103
Depreciation, accretion, and amortization700,161721,970697,078
Total operating expenses1,526,3391,449,4441,431,157
Operating income782,495633,694583,488
Other income (expense):
Interest income3,4482,9815,500
Interest expense(352,919)(367,874)(390,036)
Non-cash interest expense(47,085)(24,870)(3,193)
Amortization of deferred financing fees(19,589)(20,058)(22,466)
Loss from extinguishment of debt, net(39,502)(19,463)(457)
Other (expense) income, net(74,284)(222,159)14,053
Total other expense, net(529,931)(651,443)(396,599)
Income (loss) before income taxes252,564(17,749)186,889
(Provision) benefit for income taxes(14,940)41,796(39,605)
Net income237,62424,047147,284
Net loss (income) attributable to noncontrolling interests—57(293)
Net income attributable to SBA Communications
Corporation$237,624$24,104$146,991
Net income per common share attributable to SBA
Communications Corporation:
Basic$2.17$0.22$1.30
Diluted$2.14$0.21$1.28
Weighted average number of common shares
Basic109,328111,532112,809
Diluted111,177113,465114,693

The accompanying notes are an integral part of these consolidated financial statements.

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SBA COMMUNICATIONS CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)

(in thousands)

For the year ended December 31,
202120202019
Net income$237,624$24,047$147,284
Adjustments related to interest rate swaps93,087(98,771)(42,131)
Foreign currency translation adjustments(47,814)(140,098)(14,729)
Comprehensive income (loss)282,897(214,822)90,424
Comprehensive loss (income) attributable to noncontrolling interests—109(753)
Comprehensive income (loss) attributable to SBA
Communications Corporation$282,897$(214,713)$89,671

The accompanying notes are an integral part of these consolidated financial statements.

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SBA COMMUNICATIONS CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ DEFICIT

(in thousands)

Accumulated
Class AAdditionalOtherTotal
Common StockPaid-InAccumulatedComprehensiveShareholders'
SharesAmountCapitalDeficitLossDeficit
BALANCE, December 31, 2018112,433$1,124$2,270,326$(5,136,368)$(511,905)$(3,376,823)
Net income attributable to SBA
Communications Corporation———146,991—146,991
Common stock issued in connection with equity
awards and stock purchase plans, offset
by the impact of net share settlements1,34713116,189——116,202
Non-cash stock compensation——74,270——74,270
Common stock issued in connection with
acquisitions10—1,680——1,680
Adjustments related to interest rate swaps————(42,131)(42,131)
Repurchase and retirement of common stock(2,015)(19)—(466,963)—(466,982)
Foreign currency translation adjustments
attributable to SBA Communications Corporation————(14,729)(14,729)
Impact of adoption of ASU 2016-02
related to leases———(20,968)—(20,968)
Dividends on common stock———(83,387)—(83,387)
Adjustment to fair value related to
noncontrolling interests——(1,130)——(1,130)
BALANCE, December 31, 2019111,7751,1182,461,335(5,560,695)(568,765)(3,667,007)
Net income attributable to SBA
Communications Corporation———24,104—24,104
Common stock issued in connection with equity
awards and stock purchase plans, offset
by the impact of net share settlements1,1131153,683——53,694
Non-cash stock compensation——70,363——70,363
Adjustments related to interest rate swaps————(98,771)(98,771)
Repurchase and retirement of common stock(3,069)(31)—(859,304)—(859,335)
Foreign currency translation adjustments
attributable to SBA Communications Corporation————(140,046)(140,046)
Dividends on common stock———(208,133)—(208,133)
Adjustment to fair value related to
noncontrolling interests——749——749
BALANCE, December 31, 2020109,8191,0982,586,130(6,604,028)(807,582)(4,824,382)
Net income attributable to SBA
Communications Corporation———237,624—237,624
Common stock issued in connection with equity
awards and stock purchase plans, offset
by the impact of net share settlements1,0171014,744——14,754
Non-cash stock compensation——85,779——85,779
Adjustments related to interest rate swaps————93,08793,087
Repurchase and retirement of common stock(1,880)(19)—(582,559)—(582,578)
Foreign currency translation adjustments
attributable to SBA Communications Corporation————(47,814)(47,814)
Dividends and dividend equivalents
on common stock———(254,568)—(254,568)
Adjustment to fair value related to
noncontrolling interests——(2,806)——(2,806)
Contribution from joint venture partner
for noncontrolling interest——(2,500)——(2,500)
BALANCE, December 31, 2021108,956$1,089$2,681,347$(7,203,531)$(762,309)$(5,283,404)

The accompanying notes are an integral part of these consolidated financial statements.

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SBA COMMUNICATIONS CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

For the year ended December 31,
202120202019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income$237,624$24,047$147,284
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, accretion, and amortization700,161721,970697,078
Non-cash asset impairment and decommission costs31,79039,50132,241
Non-cash compensation expense84,40268,89073,214
Loss (gain) on remeasurement of U.S. denominated intercompany loans66,285220,354(13,134)
Loss from extinguishment of debt, net36,71817,838235
Deferred income tax (benefit) expense(8,510)(63,187)15,935
Non-cash interest expense47,08524,8703,193
Amortization of deferred financing fees19,58920,05820,358
Other non-cash items reflected in the Statements of Operations9,8812,979(1,888)
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable and costs and estimated earnings in excess of billings on
uncompleted contracts, net(38,237)38,195(12,146)
Prepaid expenses and other assets(28,243)2,614878
Operating lease right-of-use assets, net114,321109,93593,665
Accounts payable and accrued expenses(473)13,173(5,951)
Long-term lease liabilities(113,292)(100,847)(87,544)
Other liabilities30,795(14,357)6,627
Net cash provided by operating activities1,189,8961,126,033970,045
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions(1,257,704)(271,418)(773,957)
Capital expenditures(133,694)(128,566)(154,236)
Purchase of investments(1,731,111)(1,288,705)(638,963)
Proceeds from sale of investments1,730,4771,239,206625,807
Other investing activities(31,228)3,117(5,809)
Net cash used in investing activities(1,423,260)(446,366)(947,158)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings under Revolving Credit Facility1,935,000895,000755,000
Repayments under Revolving Credit Facility(1,965,000)(1,005,000)(590,000)
Proceeds from issuance of Senior Notes, net of fees1,485,3731,479,484—
Repayment of Senior Notes(1,870,909)(759,143)—
Proceeds from issuance of Tower Securities, net of fees2,924,0051,335,8951,152,458
Repayment of Tower Securities(1,335,000)(1,200,000)(920,000)
Termination of interest rate swap—(176,200)—
Repurchase and retirement of common stock(582,578)(859,335)(466,982)
Payment of dividends on common stock(253,580)(207,689)(83,387)
Proceeds from employee stock purchase/stock option plans86,68899,129130,290
Payments related to taxes on net settlement of stock options and restricted stock units(71,904)(45,080)(14,088)
Other financing activities(12,831)(26,078)(25,605)
Net cash provided by (used in) financing activities339,264(469,017)(62,314)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash(13,082)(8,962)2,247
NET CHANGE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH92,818201,688(37,180)
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH:
Beginning of year342,808141,120178,300
End of year$435,626$342,808$141,120

(continued)

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SBA COMMUNICATIONS CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

For the year ended December 31,
202120202019
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for:
Interest$360,098$351,886$386,615
Income taxes$25,568$20,275$21,598
SUPPLEMENTAL CASH FLOW INFORMATION OF NON-CASH
ACTIVITIES:
Right-of-use assets obtained in exchange for new operating lease liabilities$33,315$78,674$175,517
Operating lease modifications and reassessments$36,817$(10,550)$(52,383)
Right-of-use assets obtained in exchange for new finance lease liabilities$2,100$1,087$3,499
Common stock issued in connection with acquisitions$—$—$1,680
Consolidation of an equity method investment$—$—$71,990
Deferred payment on acquired assets$—$77,124$—

The accompanying notes are an integral part of these consolidated financial statements.

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F-8

SBA COMMUNICATIONS CORPORATION AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

**1.**GENERAL

SBA Communications Corporation (the “Company” or “SBAC”) was incorporated in the State of Florida in March 1997. The Company is a holding company that holds all of the outstanding capital stock of SBA Telecommunications, LLC (“Telecommunications”). Telecommunications is a holding company that holds the outstanding capital stock of SBA Senior Finance, LLC (“SBA Senior Finance”), and other operating subsidiaries which are not a party to any loan agreement. SBA Senior Finance is a holding company that holds, directly or indirectly, the equity interest in certain subsidiaries that issued the Tower Securities (see Note 11) and certain subsidiaries that were not involved in the issuance of the Tower Securities. With respect to the subsidiaries involved in the issuance of the Tower Securities, SBA Senior Finance is the sole member of SBA Holdings, LLC and SBA Depositor, LLC. SBA Holdings, LLC is the sole member of SBA Guarantor, LLC. SBA Guarantor, LLC directly or indirectly holds all of the capital stock of the companies referred to as the “Borrowers” under the Tower Securities. With respect to subsidiaries not involved in the issuance of the Tower Securities, SBA Senior Finance holds all of the membership interests in SBA Senior Finance II, LLC (“SBA Senior Finance II”) and certain non-operating subsidiaries. SBA Senior Finance II holds, directly or indirectly, all the capital stock of certain international subsidiaries and certain other tower companies (known as “Tower Companies”). SBA Senior Finance II also holds, directly or indirectly, all the capital stock and/or membership interests of certain other subsidiaries involved in providing services, including SBA Network Services, LLC (“Network Services”) as well as SBA Network Management, Inc. (“Network Management”) which manages and administers the operations of the Borrowers.

As of December 31, 2021, the Company owned and operated wireless towers in the United States and its territories. In addition, the Company owned towers in Argentina, Brazil, Canada, Chile, Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Nicaragua, Panama, Peru, South Africa, the Philippines and, effective January 4, 2022, Tanzania. Space on these towers is leased primarily to wireless service providers. As of December 31, 2021, the Company owned and operated 34,177 towers of which 17,356 are domestic and 16,821 are international, of which 9,955 are located in Brazil.

**2.**SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

A summary of the significant accounting policies applied in the preparation of the accompanying consolidated financial statements is as follows:

Principles of Consolidation

The consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) and include the Company and its majority and wholly-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated in consolidation.

Use of Estimates

The preparation of the consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. The significant estimates made by management relate to the allowance for doubtful accounts, the costs and revenue relating to the Company’s construction contracts, stock-based compensation assumptions, valuation allowance related to deferred tax assets, fair value of long-lived assets, the useful lives of towers and intangible assets, anticipated property tax assessments, fair value of investments and asset retirement obligations. Management develops estimates based on historical experience and on various assumptions about the future that are believed to be reasonable based on the information available. These estimates ultimately may differ from actual results and such differences could be material.

Cash and Cash Equivalents

Cash and cash equivalents consist primarily of cash in banks, money market funds, commercial paper, highly liquid short-term investments, and other marketable securities with an original maturity of three months or less at the time of purchase. These investments are carried at cost, which approximates fair value.

Restricted Cash

The Company classifies all cash pledged as collateral to secure certain obligations and all cash whose use is limited as restricted cash. This includes cash held in escrow to fund certain reserve accounts relating to the Tower Securities as well as for

F-9

payment and performance bonds and surety bonds issued for the benefit of the Company in the ordinary course of business, as well as collateral associated with workers’ compensation plans (see Note 4).

Investments

Investment securities with original maturities of more than three months but less than one year at time of purchase are considered short-term investments and are classified in prepaid expenses and other current assets on the accompanying Consolidated Balance Sheets. The Company’s short-term investments primarily consist of certificates of deposit with maturities of less than a year. Investment securities with maturities of more than a year are considered long-term investments and are classified in other assets on the accompanying Consolidated Balance Sheets. Long-term investments consist of strategic investments in companies and are accounted for under the cost and equity method. Gross purchases and proceeds from sales of the Company’s investments are presented within Cash flows from investing activities on the Company’s Consolidated Statements of Cash Flows. During the year ended December 31, 2021 and 2020, no gain or loss was recorded related to the sale or maturity of investments.

Property and Equipment

Property and equipment are recorded at cost or at estimated fair value (in the case of acquired properties), adjusted for asset impairment and estimated asset retirement obligations. Costs for self-constructed towers include direct materials and labor, indirect costs and capitalized interest. Approximately $0.5 million, $0.6 million, and $0.7 million of interest cost was capitalized in 2021, 2020 and 2019, respectively.

Depreciation on towers and related components is provided using the straight-line method over the estimated useful lives, not to exceed the minimum lease term of the underlying ground lease. In making the determination of the period for which the Company is reasonably certain to remain on the site, the Company will assume optional renewals are reasonably certain of being exercised for the greater of: (1) a period sufficient to cover all tenants under their current committed term where the Company has provided rights to the tower not to exceed the contractual ground lease terms including renewals and (2) a period sufficient to recover the investment of significant leasehold improvements located on the site. Leasehold improvements are amortized on a straight-line basis over the shorter of the useful life of the improvement or the minimum lease term of the lease. For all other property and equipment, depreciation is provided using the straight-line method over the estimated useful lives.

The Company performs ongoing evaluations of the estimated useful lives of its property and equipment for depreciation purposes. The estimated useful lives are determined and continually evaluated based on the period over which services are expected to be rendered by the asset. If the useful lives of assets are reduced, depreciation may be accelerated in future years. Property and equipment under capital leases are amortized on a straight-line basis over the term of the lease or the remaining estimated life of the leased property, whichever is shorter, and the related amortization is included in depreciation expense. Expenditures for maintenance and repair are expensed as incurred.

Asset classes and related estimated useful lives are as follows:

Towers and related components3 - 15 years
Furniture, equipment, and vehicles2 - 7 years
Data Centers, buildings, and leasehold improvements10 - 30 years

Betterments, improvements, and significant repairs, which increase the value or extend the life of an asset, are capitalized and depreciated over the estimated useful life of the respective asset. Changes in an asset’s estimated useful life are accounted for prospectively, with the book value of the asset at the time of the change being depreciated over the revised remaining useful life. There has been no material impact for changes in estimated useful lives for any years presented.

Deferred Financing Fees

Financing fees related to the issuance of debt have been deferred and are being amortized using the effective interest rate method over the expected duration of the related indebtedness (see Note 11). For all of the Company’s debt, except for the Revolving Credit Facility where the debt issuance costs are being presented as an asset on the accompanying Consolidated Balance Sheet, debt issuance costs are presented on the balance sheet as a direct deduction from the related debt liability rather than as an asset.

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Intangible Assets

The Company classifies as intangible assets the fair value of current leases in place at the acquisition date of towers and related assets (referred to as the “Current contract intangibles”), and the fair value of future tenant leases anticipated to be added to the acquired towers (referred to as the “Network location intangibles”). These intangibles are estimated to have a useful life consistent with the useful life of the related tower assets, which is typically 15 years. For all intangible assets, amortization is provided using the straight-line method over the estimated useful lives as the benefit associated with these intangible assets is anticipated to be derived evenly over the life of the asset.

Impairment of Long-Lived Assets

The Company evaluates its individual long-lived and related assets with finite lives for indicators of impairment to determine when an impairment analysis should be performed. The Company evaluates its tower assets and Current contract intangibles at the tower level, which is the lowest level for which identifiable cash flows exists. The Company evaluates its Network location intangibles for impairment at the tower leasing business level whenever indicators of impairment are present. The Company has established a policy to at least annually, or earlier if indicators of impairment arise, evaluate its tower assets and Current contract intangibles for impairment.

The Company records an impairment charge when an investment in towers or related assets has been impaired, such that future undiscounted cash flows would not recover the then current carrying value of the investment in the tower and related intangible. If the future undiscounted cash flows are lower than the carrying value of the investment in the tower and related intangible, the Company calculates future discounted cash flows and compares those amounts to the carrying value. The Company records an impairment charge for any amounts lower than the carrying value. Estimates and assumptions inherent in the impairment evaluation include, but are not limited to, general market and economic conditions, historical operating results, geographic location, lease-up potential and expected timing of lease-up. In addition, the Company makes certain assumptions in determining an asset’s fair value for the purpose of calculating the amount of an impairment charge.

The Company recognized impairment charges of $33.0 million, $40.1 million, and $33.1 million for the years ended December 31, 2021, 2020 and 2019, respectively. Refer to Note 3 for further detail of these amounts.

Fair Value Measurements

The Company determines the fair market values of its financial instruments based on the fair value hierarchy, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The following three levels of inputs may be used to measure fair value:

Level 1Quoted prices in active markets for identical assets or liabilities that the Company has the ability to access at the measurement date.
Level 2Observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.
Level 3Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

Revenue Recognition and Accounts Receivable

Site leasing revenues

Revenue from site leasing is recognized on a straight-line basis over the current term of the related lease agreements. Receivables recorded related to the straight-line impact of site leases are reflected in other assets on the Consolidated Balance Sheets. Rental amounts received in advance are recorded as deferred revenue on the Consolidated Balance Sheets. Revenues from site leasing represent 91% of the Company’s total revenues. For additional information on tenant leases, refer to the Leases section below.

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Site development revenues

Site development projects in which the Company performs consulting services include contracts on a fixed price basis that are billed at contractual rates. Revenue is recognized over time based on milestones achieved, which are determined based on costs incurred. Amounts billed in advance (collected or uncollected) are recorded as deferred revenue on the Consolidated Balance Sheets.

Revenue from construction projects is recognized over time, determined by the percentage of cost incurred to date compared to management’s estimated total cost for each contract. This method is used because management considers total cost to be the best available measure of progress on the contracts. These amounts are based on estimates, and the uncertainty inherent in the estimates initially is reduced as work on the contracts nears completion. Refer to Note 5 for further detail of costs and estimated earnings in excess of billings on uncompleted contracts. Provisions for estimated losses on uncompleted contracts are made in the period in which such losses are determined to be probable.

The site development segment represents approximately 9% of the Company’s total revenues for the year ended December 31, 2021. The Company accounts for site development revenue in accordance with ASC 606, Revenue from Contracts with Customers. Payment terms do not result in any significant financing arrangements. Furthermore, these contracts do not typically include variable consideration; therefore, the transaction price that is recognized over time is generally the amount of the total contract.

Accounts receivable

The accounts receivable balance was $102.0 million and $74.1 million as of December 31, 2021 and 2020, respectively, of which $24.6 million and $14.3 million related to the site development segment as of December 31, 2021 and 2020, respectively. Refer to Note 15 for further detail of the site development segment.

Credit Losses

Effective January 1, 2020, the Company adopted ASU 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“ASU 2016-13”) prospectively. ASU 2016-13 replaces the incurred loss impairment model with an expected credit loss impairment model for financial instruments, including trade receivables. The amendment requires entities to consider forward-looking information to estimate expected credit losses over the lifetime of the asset, resulting in earlier recognition of losses for receivables that are current or not yet due, which were not considered under the previous accounting guidance. The impact of the adoption of ASU 2016-13 was not material individually or in the aggregate to the Company.

The Company’s expected credit loss allowance methodology for accounts receivable is developed using historical collection experience, current and future economic and market conditions, and a review of the current status of customers’ trade accounts receivables. Due to the short-term nature of such receivables, the estimate of the amount of accounts receivable that may not be collected considers aging of the accounts receivable balances and the financial condition of customers. Additionally, specific allowance amounts are established to record the appropriate provision for customers that have a higher probability of default. The Company’s monitoring activities include timely account reconciliation, dispute resolution, payment confirmation, consideration of customers’ financial condition and macroeconomic conditions. Balances are written off when determined to be uncollectible. ASU 2018-19, Codification Improvements to Topic 326, Financial Instruments – Credit Losses (“ASU 2018-19”) clarified that operating lease receivables are not within the scope of ASC 326-20 and should instead be accounted for under the new leasing standard, ASC 842. The Company is exposed to credit losses which are subject to this standard primarily through the site development business segment which provides consulting and construction related services.

The following is a rollforward of the allowance for doubtful accounts for our site leasing and site development businesses:

For the year ended December 31,
202120202019
(in thousands)
Beginning balance$15,693$21,202$23,880
Provision for doubtful accounts440620155
Write-offs(1,597)(23)(1,455)
Recoveries (1)(1,947)(3,524)(2,296)
Acquisitions——1,193
Currency translation adjustment(454)(2,582)(275)
Ending balance$12,135$15,693$21,202

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(1)On June 20, 2016, Oi, S.A. (“Oi”), the Company’s largest customer in Brazil, filed a petition for judicial reorganization in Brazil. Since the filing, the Company has received all rental payments due in connection with obligations of Oi accruing post-petition. On January 8, 2018, Oi’s reorganization plan was approved by the Brazilian courts and Oi is expected to fully resolve all its pre-petition obligations in accordance with the terms of the plan, which includes a 10% reduction in the receivable and four annual installment payments. All of these payments have been received by the Company.

Cost of Revenue

Cost of site leasing revenue includes ground lease rent, property taxes, amortization of deferred lease costs, maintenance and other tower operating expenses. Cost of site development revenue includes the cost of materials, salaries and labor costs, including payroll taxes, subcontract labor, vehicle expense and other costs directly and indirectly related to the projects. All costs related to site development projects are recognized as incurred.

Income Taxes

The Company recognizes deferred tax assets and liabilities for the estimated future tax consequences attributable to differences between the financial reporting and tax bases of existing assets and liabilities. Deferred tax assets and liabilities are measured using tax rates in effect for the year in which the temporary differences are expected to reverse. A valuation allowance is recorded to reduce the carrying amounts of deferred tax assets if it is "more-likely-than-not" that those assets will not be realized. The Company considers many factors when assessing the likelihood of future realization, including the Company’s recent cumulative earnings by taxing jurisdiction, expectations of future taxable income, prudent and feasible tax planning strategies that are available, the carryforward periods available to the Company for tax reporting purposes and other relevant factors.

The Company began operating as a REIT for federal income tax purposes effective January 1, 2016. As a REIT, the Company generally is not subject to corporate level federal income tax on taxable income it distributes to its stockholders as long as it meets the organizational and operational requirements under the REIT rules. However, certain subsidiaries have made an election with the IRS to be treated as a taxable REIT subsidiary (“TRS”) in conjunction with the Company's REIT election. The TRS elections permit the Company to engage in certain business activities in which the REIT may not engage directly, so long as these activities are conducted in entities that elect to be treated as TRSs under the Code. A TRS is subject to federal and state income taxes on the income from these activities. Additionally, the Company has included in TRSs the Company’s tower operations in most foreign jurisdictions; however, the REIT holds selected tower assets in Puerto Rico and USVI. Those operations will continue to be subject to foreign taxes in the jurisdiction in which such assets and operations are located regardless of whether they are included in a TRS.

The Company will continue to file separate federal tax returns for the REIT and TRS for the year ended December 31, 2021. The REIT had taxable income during the year ended December 31, 2021 and paid a dividend and utilized net operating losses (“NOLs”) to offset its remaining 2021 distribution requirement. Some of the Company’s TRSs generated NOLs which will be carried forward to use in future years. A portion of the deferred tax asset generated by the NOLs are reserved by a valuation allowance.

The Company records a liability for unrecognized tax benefits resulting from uncertain tax positions taken or expected to be taken in a tax return if applicable. The Company has not identified any tax exposures that require a reserve. To the extent that the Company records unrecognized tax exposures, any related interest and penalties will be recognized as interest expense in the Company’s Consolidated Statements of Operations.

Stock-Based Compensation

The Company measures and recognizes compensation expense for all share-based payment awards made to employees and directors, including stock options, restricted stock units (“RSUs”), performance-based restricted stock units (“PSUs”), and purchases under the Company’s employee stock purchase plans. The Company records compensation expense, for stock options, RSUs, and PSUs on a straight-line basis over the vesting period; however, compensation expense related to certain PSUs are subject to adjustment on performance relative to the established targets. Compensation expense for stock options is based on the estimated fair value of the options on the date of the grant using the Black-Scholes option-pricing model. Compensation expense for RSUs and PSUs is based on the fair market value of the units awarded at the date of the grant.

Asset Retirement Obligations

The Company has entered into ground leases for the land underlying the majority of the Company’s towers. A majority of these leases require the Company to restore land interests to their original condition upon termination of the ground lease.

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In determining the measurement of the asset retirement obligations, the Company considered the nature and scope of the contractual restoration obligations contained in the Company’s ground leases, the historical retirement experience as an indicator of future restoration probabilities, intent in renewing existing ground leases through lease termination dates, current and future value and timing of estimated restoration costs and the credit adjusted risk-free rate used to discount future obligations.

The Company recognizes asset retirement obligations in the period in which they are incurred, if a reasonable estimate of a fair value can be made. The associated asset retirement costs are capitalized as part of the carrying amount of the related tower fixed assets, and over time, the liability is accreted to its present value each period and the capitalized cost is depreciated over the estimated useful life of the tower. As of December 31, 2021 and 2020, the asset retirement obligation was $53.6 million and $30.9 million, respectively, and is included in other long-term liabilities on the Consolidated Balance Sheets. Upon settlement of the obligations, any difference between the cost to retire an asset and the recorded liability is recorded in Asset impairment and decommission costs on the Consolidated Statements of Operations.

Comprehensive Income (Loss)

Comprehensive income (loss) is defined as the change in equity (net assets) of a business enterprise during a period from transactions and other events and circumstances from non-owner sources, and is comprised of net income (loss), other foreign currency adjustments, and adjustments related to interest rate swaps designated as cash flow hedges.

Foreign Currency Translation

All assets and liabilities of foreign subsidiaries that do not utilize the U.S. dollar as its functional currency are translated at period-end exchange rates, while revenues and expenses are translated at monthly average exchange rates during the year. Unrealized translation gains and losses are reported as foreign currency translation adjustments through Accumulated other comprehensive loss, net in the Consolidated Statement of Shareholders’ Deficit.

For foreign subsidiaries where the U.S. dollar is the functional currency, monetary assets and liabilities of such subsidiaries, which are not denominated in U.S. dollars, are remeasured at exchange rates in effect at the balance sheet date, and revenues and expenses are remeasured at monthly average rates prevailing during the year. Remeasurement gains and losses are reported as other income (expense), net in the Consolidated Statements of Operations.

Intercompany Loans Subject to Remeasurement

In accordance with Accounting Standards Codification (ASC) 830, the Company remeasures foreign denominated intercompany loans with the corresponding change in the balance being recorded in Other income (expense), net in the Consolidated Statements of Operations as settlement is anticipated or planned in the foreseeable future. The Company recorded a $44.3 million loss, a $145.6 million loss, and a $9.0 million gain, net of taxes, on the remeasurement of intercompany loans for the years ended December 31, 2021, 2020, and 2019, respectively, due to changes in foreign exchange rates. During the year ended December 31, 2021, the Company repaid $149.9 million of the intercompany loans. As of December 31, 2021 and 2020, the aggregate amount outstanding under the intercompany loan agreements subject to remeasurement with the Company’s foreign subsidiaries was $872.9 million and $909.8 million, respectively.

Acquisitions

Under ASU 2017-01, Clarifying the Definition of a Business, the Company’s acquisitions will generally qualify for asset acquisition treatment under ASC 360, Property, Plant, and Equipment, rather than business combination treatment under ASC 805 Business Combinations. For acquisitions, the aggregate purchase price is allocated on a relative fair value basis to towers and related intangible assets. The fair values of these net assets acquired are based on management’s estimates and assumptions, as well as other information compiled by management, including valuations that utilize customary valuation procedures and techniques. The fair value estimates are based on available historical information and on future expectations and assumptions deemed reasonable by management at the time. If the actual results differ from the estimates and judgments used in these fair values, the amounts recorded in the consolidated financial statements could be subject to a possible impairment of the intangible assets, or require acceleration of the amortization expense of intangible assets in subsequent periods. External, direct transaction costs will be capitalized as a component of the cost of the asset acquired. The Company will continue to expense internal acquisition costs as incurred. For business combinations, the estimates of the fair value of the assets acquired and liabilities assumed at the date of an acquisition are subject to adjustment during the measurement period (up to one year from the particular acquisition date). During the measurement period, the Company will adjust assets and/or liabilities if new information is obtained about facts and circumstances that existed as of the

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acquisition date that, if known, would have resulted in a revised estimated value of those assets and/or liabilities as of that date. As of December 31, 2021, there were no material acquisitions with purchase price allocations that were preliminary.

In connection with certain acquisitions, the Company may agree to pay contingent consideration (or earnouts) in cash or stock if the communication sites or businesses that are acquired meet or exceed certain performance targets over a period of one year to three years after they have been acquired. Contingent consideration in connection with asset acquisitions will be recognized at the time when the contingency is resolved or becomes payable and will increase the cost basis of the assets acquired.

Leases

The Company adopted ASU No. 2016-02, Leases (“Topic 842”) using the modified retrospective adoption method with an effective date of January 1, 2019. This standard requires all lessees to recognize a right-of-use asset and a lease liability, initially measured at the present value of the lease payments. The Company has elected not to separate nonlease components from the associated lease component for all underlying classes of assets.

The components of the right-of-use lease liabilities as of December 31, 2021 and 2020 are as follows (in thousands):

December 31,December 31,
20212020
Current operating lease liabilities$236,804$234,605
Current financing lease liabilities1,6931,432
Current lease liabilities$238,497$236,037
Long-term operating lease liabilities$1,979,239$2,092,353
Long-term financing lease liabilities2,1142,010
Long-term lease liabilities$1,981,353$2,094,363

Operating Leases

Ground leases. The Company enters into long-term lease contracts for land that underlies its tower structures. Ground lease agreements generally include renewal options which can be exercised exclusively at the Company’s election. In making the determination of the period for which the Company is reasonably certain to remain on the site, the Company will assume optional renewals are reasonably certain of being exercised for the greater of: (1) a period sufficient to cover all tenants under their current committed term where the Company has provided rights to the tower not to exceed the contractual ground lease terms including renewals, and (2) a period sufficient to recover the investment of significant leasehold improvements located on the site (generally 15 years).

Substantially all leases provide for rent rate escalations. In the United States and our international markets, ground leases and other property interests provide for rent escalators which typically average 2-3% annually or, in certain international markets, adjust in accordance with an inflationary index. Increases or decreases in lease payments that result from subsequent changes in the index or rate are accounted for as variable lease payments.

Office leases. The Company’s office leases consist of long-term leases for international, regional, and certain site development office locations. Office leases include a single lease component, lease of the office space and sometimes nonlease components such as common area maintenance expenses. The lease term for office leases are generally considered to be the contractually committed term.

Finance Leases

Vehicle leases. The Company leases vehicles that are used in its site development business. These leases are accounted for as financing leases and have lease terms that are contractually committed and do not include optional renewal terms.

Acquired right-of-use assets. During the year ended December 31, 2021, the Company acquired the exclusive right to lease and operate 713 utility transmission structures, which included existing wireless tenant licenses from PG&E for $972.0 million. The Company accounted for the payment with respect to these sites as a right-of-use asset, which is recorded in Acquired and other right-of-use assets, net on its Consolidated Balance Sheets. The payments associated with the right of use of these structures has been fully funded and will be recognized over 70 years (see Note 7).

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In addition, on January 4, 2022, the Company closed on 1,445 sites for $176.1 million under the previously announced deal with Airtel Tanzania. Of the 1,445 sites acquired, 482 towers will be initially recorded in Acquired and other right-of-use assets, net on its Consolidated Balance Sheets until the full transfer of title for these towers is completed, which the Company anticipates to be in tranches through the end of the second quarter of 2023. During this period of time, the Company has all the economic rights and obligations related to these towers (see Note 7).

Discount Rate

When available, the Company uses the rate implicit in the lease to discount lease payments to present value. However, the Company’s ground leases generally do not provide a readily determinable implicit rate. Therefore, the Company estimates the incremental borrowing rate to discount lease payments based on information available at lease commencement or upon a modification. The Company uses publicly available data for instruments with similar characteristics when calculating its incremental borrowing rates.

Lease Cost

Variable lease payments include escalations based on an inflationary index and are initially recognized using the prevailing index at the date of initial measurement or upon reassessment of the lease term. Subsequent changes in standard cost of living increases are recognized as variable lease costs. Variable lease payments also include contingent rent provisions.

The components of lease cost, lease term, and discount rate as of December 31, 2021 and 2020 are as follows:

For the year ended
December 31, 2021December 31, 2020
(in thousands)
Amortization of right-of-use assets (1)$13,483$1,485
Interest on finance lease liabilities118135
Total finance lease cost13,6011,620
Operating lease cost260,690260,619
Variable lease cost49,17642,654
Total lease cost$323,467$304,893
Weighted Average Remaining Lease Term as of 2021 and 2020:
Operating leases14.4 years16.1 years
Finance leases68.9 years2.7 years
Weighted Average Discount Rate as of 2021 and 2020:
Operating leases5.6%5.9%
Finance leases2.9%3.4%
For the year ended
Other information:December 31, 2021December 31, 2020
Cash paid for amounts included in measurement of lease liabilities:
Cash flows from operating leases$242,567$237,747
Cash flows from finance leases$1,734$1,485

(1)Amounts include amortization of acquired right-of-use assets.

Tenant (Operating) Leases

The Company enters into long-term lease contracts with wireless service providers to lease antenna space on towers that it owns or operates. Each tenant lease relates to the lease or use of space at an individual site. Tenant leases are generally for an initial term of five years to 10 years with multiple renewal periods at the option of the tenant. Tenant leases typically contain specific rent escalators, which can be fixed or escalate in accordance with an inflationary index, including the renewal option periods.

Tenant lease agreements generally include renewal options which can be exercised exclusively at the tenant’s election. The only common exception is if the Company no longer has a right to the ground underlying the site, the lease agreements permit the

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Company to terminate the lease. Despite high frequency of renewal of options to extend the lease by its tenants, the Company has concluded that the exercise of a renewal option by a tenant is not reasonably certain of occurrence; therefore, only the current committed term is included in the determination of the lease term.

Certain tenant leases provide for a reimbursement of costs incurred by the Company. The Company pays these costs directly and is not relieved of the primary obligation for the expenses. These reimbursements are recorded as revenue on the Statements of Operations.

Deferred Lease Costs

ASU 2016-02, defines initial direct costs as incremental costs that would not have been incurred if the lease had not been obtained. These costs, including commissions paid related to the origination of specific tenant leases, are deferred and amortized over the remaining lease term. Initial direct costs were approximately $2.9 million, $1.2 million, and $1.8 million for the years ended December 31, 2021, 2020, and 2019, respectively. Amortization expense related to deferred initial direct costs was $1.4 million, $1.3 million, and $1.4 million for the years ended December 31, 2021, 2020, and 2019, respectively. As of December 31, 2021 and 2020, unamortized deferred initial direct costs were $6.3 million and $4.8 million, respectively, and are included in other assets on the Consolidated Balance Sheets.

Reference Rate Reform

ASU 2020-04 and ASU 2021-01, Reference Rate Reform, provide optional expedients and exceptions for applying generally accepted accounting principles to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The amendments apply only to contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. The expedients and exceptions provided by the amendments do not apply to contract modifications made and hedging relationships entered into or evaluated after December 31, 2022, except for hedging relationships existing as of December 31, 2022, that an entity has elected certain optional expedients for and that are retained through the end of the hedging relationship. An entity may elect to apply the amendments prospectively through December 31, 2022. The ICE Benchmark Administration Limited (“IBA”) ceased the publication of USD LIBOR for the 1 week and 2 month tenors on December 31, 2021 and will cease all other tenors on June 30, 2023. On July 7, 2021, the Company amended its Credit Facility to provide mechanics relating to a transition away from LIBOR as a benchmark interest rate and the replacement of LIBOR by an alternative benchmark rate. Refer to Note 11 for further discussion of the Credit Facility. As of December 31, 2021, the Company has not modified any other contracts as a result of reference rate reform and is evaluating the impact this standard may have on its consolidated financial statements.

Derivatives and Hedging Activities

The Company enters into interest rate swaps to hedge the future interest expense from variable rate debt and reduce the Company’s exposure to fluctuations in interest rates. At inception, the Company evaluates the interest rate swaps to determine whether they qualify for hedge accounting. In accordance with ASU 2017-12 (ASC 815 - Derivatives and Hedging), hedge accounting should be provided only if the derivative hedging instrument is expected to be, and actually is, effective at offsetting changes in fair values or cash flows of the hedged item. The effective portion of the gain or loss is recorded in Accumulated other comprehensive loss, net on the Consolidated Balance Sheets. The ineffective portion of the gain or loss from the interest rate swap is recognized in earnings immediately. On a quarterly basis, the Company evaluates whether the cash flow hedge remains highly effective in offsetting changes in cash flows.

**3.**FAIR VALUE MEASUREMENTS

Items Measured at Fair Value on a Recurring Basis—The Company’s asset retirement obligations are measured at fair value on a recurring basis using Level 3 inputs and are recorded in Other long-term liabilities in the Consolidated Balance Sheets. The fair value of the asset retirement obligations is calculated using a discounted cash flow model.

Refer to Note 20 for discussion of the Company’s redeemable non-controlling interests.

Items Measured at Fair Value on a Nonrecurring Basis— The Company’s long-lived and intangible assets are measured at fair value on a nonrecurring basis using Level 3 inputs. The Company considers many factors and makes certain assumptions when making this assessment, including but not limited to: general market and economic conditions, historical operating results, geographic location, lease-up potential and expected timing of lease-up. The fair value of the long-lived and intangible assets is calculated using a discounted cash flow model.

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Asset impairment and decommission costs for all periods presented and the related impaired assets primarily relate to the Company’s site leasing operating segment. The following summarizes the activity of asset impairment and decommission costs (in thousands):

For the year
ended December 31,
202120202019
Asset impairment (1)$24,813$31,552$18,794
Write-off of carrying value of decommissioned towers6,3497,45611,155
Other (including third party decommission costs)1,8821,0893,154
Total asset impairment and decommission costs$33,044$40,097$33,103

(1)Represents impairment charges resulting from the Company’s regular analysis of whether the future cash flows from certain towers are adequate to recover the carrying value of the investment in those towers.

The Company’s long-term investments were $47.9 million and $57.6 million as of December 31, 2021 and 2020, respectively, and are recorded in Other assets on the Consolidated Balance Sheets. Some of these investments provide for the Company to increase their investment in the future through call options exercisable by the Company and put options exercisable by the investee. These put and call options are recorded at fair market value. The estimation of the fair value of the investment involves the use of Level 3 inputs. The Company evaluates these investments for indicators of impairment. The Company considers impairment indicators such as negative changes in industry and market conditions, financial performance, business prospects, and other relevant events and factors. If indicators exist and the fair value of the investment is below the carrying amount, the investment could be impaired. The Company did not recognize any impairment loss associated with its investments during the years ended December 31, 2021, 2020, and 2019.

Fair Value of Financial Instruments— The carrying values of cash and cash equivalents, accounts receivable, restricted cash, accounts payable, and short-term investments approximate their estimated fair values due to the shorter maturity of these instruments. The Company’s estimate of its short-term investments is based primarily upon Level 1 reported market values. As of December 31, 2021 and 2020, the Company had $0.8 million and $0.7 million, respectively, of short-term investments. The Company purchased and sold $1.7 billion, $1.2 billion, and $0.6 billion of short-term investments for the years ended December 31, 2021, 2020, and 2019, respectively.

The Company determines fair value of its debt instruments utilizing various Level 2 sources including quoted prices and indicative quotes (non-binding quotes) from brokers that require judgment to interpret market information including implied credit spreads for similar borrowings on recent trades or bid/ask prices. The fair value of the Revolving Credit Facility is considered to approximate the carrying value because the Company does not believe its credit risk has changed materially from the date the applicable Eurodollar Rate was set for the Revolving Credit Facility (112.5 to 150.0 basis points). Refer to Note 11 for the fair values, principal balances, and carrying values of the Company’s debt instruments.

For discussion of the Company’s derivatives and hedging activities, refer to Note 2 and Note 21.

**4.**CASH, CASH EQUIVALENTS, AND RESTRICTED CASH

The cash, cash equivalents, and restricted cash balances on the Consolidated Statements of Cash Flows consist of the following:

As ofAs ofAs of
December 31, 2021December 31, 2020December 31, 2019Included on Balance Sheet
(in thousands)
Cash and cash equivalents$367,278$308,560$108,309
Securitization escrow accounts64,76431,50730,046Restricted cash - current asset
Payment and performance bonds797164197Restricted cash - current asset
Surety bonds and workers compensation2,7872,5772,568Other assets - noncurrent
Total cash, cash equivalents, and restricted cash$435,626$342,808$141,120

Pursuant to the terms of the Tower Securities (see Note 11), the Company is required to establish a securitization escrow account, held by the indenture trustee, into which all rents and other sums due on the towers that secure the Tower Securities are directly deposited by the lessees. These restricted cash amounts are used to fund reserve accounts for the payment of (1) debt service costs, (2) ground rents, real estate and personal property taxes and insurance premiums related to towers, (3) trustee and servicing

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expenses, and (4) management fees. The restricted cash in the securitization escrow account in excess of required reserve balances is subsequently released to the Borrowers (as defined in Note 11) monthly, provided that the Borrowers are in compliance with their debt service coverage ratio and that no event of default has occurred. All monies held by the indenture trustee are classified as restricted cash on the Company’s Consolidated Balance Sheets.

Payment and performance bonds relate primarily to collateral requirements for tower construction currently in process by the Company. Cash is pledged as collateral related to surety bonds issued for the benefit of the Company or its affiliates in the ordinary course of business and primarily related to the Company’s tower removal obligations. As of December 31, 2021 and 2020, the Company had $42.3 million and $41.8 million in surety, payment and performance bonds, respectively, for which no collateral was required to be posted. The Company periodically evaluates the collateral posted for its bonds to ensure that it meets the minimum requirements. As of December 31, 2021 and 2020, the Company had also pledged $2.3 million as collateral related to its workers’ compensation policy.

**5.**COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS

The Company’s costs and estimated earnings on uncompleted contracts are comprised of the following:

As ofAs of
December 31, 2021December 31, 2020
(in thousands)
Costs incurred on uncompleted contracts$75,967$54,949
Estimated earnings28,85121,778
Billings to date(61,628)(43,725)
$43,190$33,002

These amounts are included in the Consolidated Balance Sheets under the following captions:

As ofAs of
December 31, 2021December 31, 2020
(in thousands)
Costs and estimated earnings in excess of billings on uncompleted contracts$48,844$34,796
Billings in excess of costs and estimated earnings on
uncompleted contracts (included in Other current liabilities)(5,654)(1,794)
$43,190$33,002

At December 31, 2021 and 2020, the eight largest customers comprised 98.8% and 99.4%, respectively, of the costs and estimated earnings in excess of billings on uncompleted contracts, net of billings in excess of costs and estimated earnings.

**6.**PREPAID EXPENSES AND OTHER CURRENT ASSETS AND OTHER ASSETS

The Company’s prepaid expenses and other current assets are comprised of the following:

As ofAs of
December 31, 2021December 31, 2020
(in thousands)
Prepaid real estate taxes$3,331$3,153
Prepaid taxes11,0968,121
Other current assets16,38612,601
Total prepaid expenses and other current assets$30,813$23,875

‎

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The Company’s other assets are comprised of the following:

As ofAs of
December 31, 2021December 31, 2020
(in thousands)
Straight-line rent receivable$348,519$321,816
Interest rate swap asset (1)60,32412,123
Loan receivables37,3765,931
Deferred lease costs, net6,3454,788
Deferred tax asset - long term51,91853,722
Long-term investments47,88957,575
Other23,27322,037
Total other assets$575,644$477,992

(1)Refer to Note 21 for more information on the Company’s interest rate swaps.

7**.**ACQUISITIONS

The following table summarizes the Company’s acquisition activity:

For the year ended December 31,
202120202019
Tower acquisitions (number of towers)9912332,443

The following table summarizes the Company’s cash acquisition capital expenditures:

For the year ended December 31,
202120202019
(in thousands)
Acquisitions of towers and related intangible assets (1) (2) (3)$274,752$181,473$701,471
Acquisition of right-of-use assets (4)950,536——
Land buyouts and other assets (5)32,41689,94572,486
Total cash acquisition capital expenditures$1,257,704$271,418$773,957

(1)The year ended December 31, 2021 includes $77.1 million of acquisitions completed during the fourth quarter of 2020 which were not funded until the first quarter of 2021.

(2)The year ended December 31, 2019 excludes $1.7 million of acquisitions costs funded through the issuance of 10,000 shares of Class A common stock.

(3)On August 30, 2019, the Company acquired an additional interest of a previously unconsolidated joint venture in South Africa which resulted in the consolidation of the entity, and the cash consideration is included herein. The year ended December 31, 2019 excludes $72.0 million associated with the consolidation of this entity. On December 31, 2021, the Company acquired the remaining interest from the minority interest holder in South Africa.

(4)During the year ended December 31, 2021, the Company acquired the exclusive right to lease and operate 713 utility transmission structures, which included existing wireless tenant licenses from PG&E for $972.0 million. The difference between the purchase price and the cash acquisition amount is due to working capital adjustments. The Company accounted for the payment with respect to these sites as a right-of-use asset, which is recorded in Acquired and other right of use assets, net on its Consolidated Balance Sheets. The payments associated with the right of use of these structures has been fully funded and will be recognized over 70 years.

(5)In addition, the Company paid $16.3 million, $12.3 million, and $15.2 million for ground lease extensions and term easements on land underlying the Company’s towers during the years ending December 31, 2021, 2020, and 2019, respectively. The Company recorded these amounts in prepaid rent on its Consolidated Balance Sheets.

During the year ended December 31, 2021, in addition to the acquisition of right-of-use assets, the Company acquired 278 towers and related assets and liabilities consisting of $26.1 million of property and equipment, net, $135.8 million of intangible assets, net, $18.6 million of operating lease right-of-use assets, net, and $0.8 million of other net liabilities assumed. All acquisitions in the year ended December 31, 2021 were accounted for as asset acquisitions.

During the year ended December 31, 2020, the Company acquired 233 towers and related assets and liabilities consisting of $30.1 million of property and equipment, $218.1 million of intangible assets, and $66.8 million of other net liabilities assumed.

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During the year ended December 31, 2019, the Company acquired 2,443 towers and related assets and liabilities consisting of $90.8 million of property and equipment, $715.5 million of intangible assets, and $32.8 million of other net liabilities assumed.

On January 4, 2022, the Company closed on 1,445 sites under the previously announced deal with Airtel Tanzania for $176.1 million. Legal title was fully transferred at closing for 963 of the towers. The remaining 482 towers are pending post-closing site level documentation and due diligence and will be initially accounted for as acquired right-of-use assets until the full transfer of title for these towers is completed, which the Company anticipates to be in tranches through the end of the second quarter of 2023. During this period of time, the Company has all the economic rights and obligations related to these towers. Additionally, subsequent to the fourth quarter of 2021, the Company purchased or is under contract to purchase 371 communication sites for an aggregate consideration of $137.1 million in cash. The Company anticipates that these acquisitions will be consummated by the end of the third quarter of 2022.

The maximum potential obligation related to contingent consideration for acquisitions were $11.6 million and $35.0 million as of December 31, 2021 and 2020, respectively. No such amounts have been recorded on the Company’s Consolidated Balance Sheet.

**8.**PROPERTY AND EQUIPMENT, NET

Property and equipment, net consists of the following:

As ofAs of
December 31, 2021December 31, 2020
(in thousands)
Towers and related components (1)$5,323,803$5,213,019
Construction-in-process (1)(2)47,56538,065
Furniture, equipment, and vehicles59,93954,610
Land, buildings, and improvements848,051818,272
Total property and equipment6,279,3586,123,966
Less: accumulated depreciation(3,703,871)(3,446,640)
Property and equipment, net$2,575,487$2,677,326

(1)Includes amounts related to our data centers.

(2)Construction-in-process represents costs incurred related to towers and other assets that are under development and will be used in the Company’s site leasing operations.

Depreciation expense was $271.8 million, $287.0 million, and $281.6 million for the years ended December 31, 2021, 2020, and 2019, respectively. At December 31, 2021 and 2020, unpaid capital expenditures that are included in accounts payable and accrued expenses were $7.3 million and $6.1 million, respectively.

**9.**INTANGIBLE ASSETS, NET

The following table provides the gross and net carrying amounts for each major class of intangible assets:

As of December 31, 2021As of December 31, 2020
Gross carryingAccumulatedNet bookGross carryingAccumulatedNet book
amountamortizationvalueamountamortizationvalue
(in thousands)
Current contract intangibles$4,890,427$(2,749,594)$2,140,833$4,876,880$(2,471,438)$2,405,442
Network location intangibles1,783,640(1,121,226)662,4141,770,944(1,020,236)750,708
Intangible assets, net$6,674,067$(3,870,820)$2,803,247$6,647,824$(3,491,674)$3,156,150

All intangible assets noted above are included in the Company’s site leasing segment. Amortization expense relating to the intangible assets above was $411.9 million, $434.4 million, and $415.2 million for the years ended December 31, 2021, 2020 and 2019, respectively.

‎

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Estimated amortization expense on the Company’s intangibles assets is as follows:

For the year ended December 31,(in thousands)
2022$389,663
2023366,131
2024337,060
2025327,352
2026312,279

**10.**ACCRUED EXPENSES

The Company’s accrued expenses are comprised of the following:

As ofAs of
December 31, 2021December 31, 2020
(in thousands)
Salaries and benefits$24,962$20,958
Real estate and property taxes8,3369,583
Unpaid capital expenditures7,2956,073
Other27,47726,417
Total accrued expenses$68,070$63,031

**11.**DEBT

The principal values, fair values, and carrying values of debt consist of the following (in thousands):

As ofAs of
December 31, 2021December 31, 2020
Maturity DatePrincipal‎BalanceFair ValueCarrying‎ValuePrincipal‎BalanceFair ValueCarrying‎Value
Revolving Credit FacilityJul. 7, 2026$350,000$350,000$350,000$380,000$380,000$380,000
2018 Term LoanApr. 11, 20252,316,0002,289,9452,304,6972,340,0002,310,7502,325,391
2013-2C Tower Securities (1)Apr. 11, 2023———575,000599,662572,063
2014-2C Tower Securities (1)Oct. 8, 2024620,000641,793617,095620,000670,003616,131
2017-1C Tower Securities (1)Apr. 11, 2022———760,000774,410757,165
2018-1C Tower Securities (1)Mar. 9, 2023640,000650,163637,812640,000671,341636,045
2019-1C Tower Securities (1)Jan. 12, 20251,165,0001,174,7281,157,4461,165,0001,218,6131,155,106
2020-1C Tower Securities (1)Jan. 9, 2026750,000746,498744,052750,000752,910742,782
2020-2C Tower Securities (1)Jan. 11, 2028600,000605,268594,774600,000597,840594,081
2021-1C Tower Securities (1)Nov. 9, 20261,165,0001,144,8461,153,700———
2021-2C Tower Securities (1)Apr. 9, 2027895,000883,213886,116———
2021-3C Tower Securities (1)Oct. 9, 2031895,000902,446885,976———
2016 Senior NotesSep. 1, 2024———1,100,0001,127,5001,088,924
2017 Senior NotesOct. 1, 2022———750,000757,500746,642
2020 Senior NotesFeb. 15, 20271,500,0001,550,7901,484,1781,500,0001,567,5001,481,466
2021 Senior NotesFeb. 1, 20291,500,0001,446,9751,486,848———
Total debt$12,396,000$12,386,665$12,302,694$11,180,000$11,428,029$11,095,796
Less: current maturities of long-term debt(24,000)(24,000)
Total long-term debt, net of current maturities$12,278,694$11,071,796

(1)The maturity date represents the anticipated repayment date for each issuance.

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The Company’s future principal payment obligations over the next five years (based on the outstanding debt as of December 31, 2021 and assuming the Tower Securities are repaid at their respective anticipated repayment dates) are as follows:

For the year ended December 31,(in thousands)
2022$24,000
2023664,000
2024644,000
20253,409,000
20262,265,000

The table below reflects cash and non-cash interest expense amounts recognized by debt instrument for the periods presented:

For the year ended December 31,
Interest202120202019
Rates as ofCashNon-cashCashNon-cashCashNon-cash
December 31, 2021InterestInterestInterestInterestInterestInterest
(in thousands)
Revolving Credit Facility1.516%$6,414$—$6,070$—$7,085$—
2018 Term Loan (1)1.872%44,34245,75668,96323,452105,0211,338
2013-2C Tower Securities3.722%17,027—21,584—21,584—
2014 Tower Securities (2)3.869%24,185—24,185—43,055—
2015-1C Tower Securities3.156%——8,589—15,939—
2016-1C Tower Securities2.877%——10,972—20,361—
2017-1C Tower Securities3.168%9,201—24,354—24,354—
2018-1C Tower Securities3.448%22,281—22,281—22,281—
2019-1C Tower Securities2.836%33,428—33,428—10,029—
2020-1C Tower Securities1.884%14,391—6,675———
2020-2C Tower Securities2.328%14,159—6,568———
2021-1C Tower Securities1.631%12,255—————
2021-2C Tower Securities1.840%2,982—————
2021-3C Tower Securities2.593%4,176—————
2014 Senior Notes4.875%——3,35211236,563800
2016 Senior Notes4.875%44,09299053,6251,10953,6251,055
2017 Senior Notes4.000%2,333—30,000—30,000—
2020 Senior Notes3.875%58,12533946,769197——
2021 Senior Notes3.125%43,229—————
Capitalized interest and other299—459—139—
Total$352,919$47,085$367,874$24,870$390,036$3,193

(1)The 2018 Term Loan has a blended rate of 1.872% which includes the impact of the interest rate swap entered into on August 4, 2020 which swapped $1.95 billion of notional value accruing interest at one month LIBOR plus 175 basis points for a fixed rate of 1.874% per annum through the maturity date of the 2018 Term Loan. Excluding the impact of the interest rate swap, the 2018 Term Loan was accruing interest at 1.860% as of December 31, 2021. Refer to Note 21 for more information on the Company’s interest rate swap.

(2)The 2014-1C Tower Securities, which was repaid September 13, 2019, accrued interest at 2.898%. The 2014-2C Tower Securities accrue interest at 3.869%.

Terms of the Senior Credit Agreement

On July 7, 2021, the Company, through its wholly owned subsidiary, SBA Senior Finance II LLC, amended its Revolving Credit Facility to (1) increase the total commitments under the Facility from $1.25 billion to $1.5 billion, (2) extend the maturity date of the Facility to July 7, 2026, (3) lower the applicable interest rate margins and commitment fees under the Facility, (4) provide mechanics relating to a transition away from LIBOR as a benchmark interest rate and the replacement of LIBOR by an alternative benchmark rate, (5) incorporate sustainability-linked targets which will adjust the Facility’s applicable interest and commitment fee rates upward or downward based on how the Company performs against those targets, and (6) amend certain other terms and conditions under the Senior Credit Agreement.

The Senior Credit Agreement, as amended, requires SBA Senior Finance II to maintain specific financial ratios, including (1) a ratio of Consolidated Net Debt to Annualized Borrower EBITDA not to exceed 6.5 times for any fiscal quarter, (2) a ratio of

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Consolidated Net Debt (calculated in accordance with the Senior Credit Agreement) to Annualized Borrower EBITDA for the most recently ended fiscal quarter not to exceed 6.5 times for 30 consecutive days and (3) a ratio of Annualized Borrower EBITDA to Annualized Cash Interest Expense (calculated in accordance with the Senior Credit Agreement) of not less than 2.0 times for any fiscal quarter. The Senior Credit Agreement contains customary affirmative and negative covenants that, among other things, limit the ability of SBA Senior Finance II and its subsidiaries to incur indebtedness, grant certain liens, make certain investments, enter into sale leaseback transactions, merge or consolidate, make certain restricted payments, enter into transactions with affiliates, and engage in certain asset dispositions, including a sale of all or substantially all of their property. The Senior Credit Agreement is also subject to customary events of default. Pursuant to the Second Amended and Restated Guarantee and Collateral Agreement, amounts borrowed under the Revolving Credit Facility, the Term Loans and certain hedging transactions that may be entered into by SBA Senior Finance II or the Subsidiary Guarantors (as defined in the Senior Credit Agreement) with lenders or their affiliates are secured by a first lien on the membership interests of SBA Telecommunications, LLC, SBA Senior Finance, LLC and SBA Senior Finance II and on substantially all of the assets (other than leasehold, easement and fee interests in real property) of SBA Senior Finance II and the Subsidiary Guarantors.

The Senior Credit Agreement, as amended, permits SBA Senior Finance II, without the consent of the other lenders, to request that one or more lenders provide SBA Senior Finance II with increases in the Revolving Credit Facility or additional term loans provided that after giving effect to the proposed increase in Revolving Credit Facility commitments or incremental term loans the ratio of Consolidated Net Debt to Annualized Borrower EBITDA would not exceed 6.5 times. SBA Senior Finance II’s ability to request such increases in the Revolving Credit Facility or additional term loans is subject to its compliance with customary conditions set forth in the Senior Credit Agreement including compliance, on a pro forma basis, with the financial covenants and ratios set forth therein and, with respect to any additional term loan, an increase in the margin on existing term loans to the extent required by the terms of the Senior Credit Agreement. Upon SBA Senior Finance II’s request, each lender may decide, in its sole discretion, whether to increase all or a portion of its Revolving Credit Facility commitment or whether to provide SBA Senior Finance II with additional term loans and, if so, upon what terms.

Revolving Credit Facility under the Senior Credit Agreement

As amended, the Revolving Credit Facility consists of a revolving loan under which up to $1.5 billion aggregate principal amount may be borrowed, repaid and redrawn, based upon specific financial ratios and subject to the satisfaction of other customary conditions to borrowing. Amounts borrowed under the Revolving Credit Facility accrue interest, at SBA Senior Finance II’s election, at either (1) the Eurodollar Rate plus a margin that ranges from 112.5 basis points to 150.0 basis points or (2) the Base Rate plus a margin that ranges from 12.5 basis points to 50.0 basis points, in each case based on the ratio of Consolidated Net Debt to Annualized Borrower EBITDA, calculated in accordance with the Senior Credit Agreement. In addition, SBA Senior Finance II is required to pay a commitment fee of between 0.15% and 0.25% per annum on the amount of unused commitment. Borrowings under the Revolving Credit Facility may be used for general corporate purposes. SBA Senior Finance II may, from time to time, borrow from and repay the Revolving Credit Facility. Consequently, the amount outstanding under the Revolving Credit Facility at the end of the period may not be reflective of the total amounts outstanding during such period.

During the year ended December 31, 2021, the Company borrowed $1.9 billion and repaid $2.0 billion of the outstanding balance under the Revolving Credit Facility. As of December 31, 2021, the balance outstanding under the Revolving Credit Facility was $350.0 million accruing interest at 1.516% per annum. In addition, SBA Senior Finance II was required to pay a commitment fee of 0.15% per annum on the amount of the unused commitment. As of December 31, 2021, SBA Senior Finance II was in compliance with the financial covenants contained in the Senior Credit Agreement.

Subsequent to December 31, 2021, the Company borrowed an additional $210.0 million under the Revolving Credit Facility, and as of the date of this filing, $560.0 million was outstanding.

Term Loan under the Senior Credit Agreement

2018 Term Loan

On April 11, 2018, the Company, through its wholly owned subsidiary, SBA Senior Finance II LLC, obtained a term loan (the “2018 Term Loan”) under the amended and restated Senior Credit Agreement. The 2018 Term Loan consists of a senior secured term loan with an initial aggregate principal amount of $2.4 billion that matures on April 11, 2025. The 2018 Term Loan accrues interest, at SBA Senior Finance II’s election at either the Base Rate plus 75 basis points (with a zero Base Rate floor) or the Eurodollar Rate plus 175 basis points (with a zero Eurodollar Rate floor). The 2018 Term Loan was issued at 99.75% of par value. As of December 31, 2021, the 2018 Term Loan was accruing interest at 1.860% per annum. Principal payments on the 2018 Term Loan are made in quarterly installments on the last day of each March, June, September, and December in an amount equal to $6.0 million. The

F-24

Company incurred financing fees of approximately $16.8 million in relation to this transaction, which are being amortized through the maturity date.

During the year ended December 31, 2021, the Company repaid an aggregate of $24.0 million of principal on the 2018 Term Loan. As of December 31, 2021, the 2018 Term Loan had a principal balance of $2.3 billion.

On August 4, 2020, the Company, through its wholly owned subsidiary, SBA Senior Finance II, entered into an interest rate swap for $1.95 billion of notional value accruing interest at one month LIBOR plus 175 basis points for a fixed rate of 1.874% per annum through the maturity date of the 2018 Term Loan.

Secured Tower Revenue Securities

Tower Revenue Securities Terms

The mortgage loan underlying the 2014-2C Tower Securities, 2018-1C Tower Securities, 2019-1C Tower Securities, 2020-1C Tower Securities, 2020-2C Tower Securities, 2021-1C Tower Securities, 2021-2C Tower Securities, and 2021-3C Tower Securities (together the “Tower Securities”) will be paid from the operating cash flows from the aggregate 9,902 tower sites owned by the Borrowers. The sole asset of the Trust consists of a non-recourse mortgage loan made in favor of those entities that are borrowers on the mortgage loan (the “Borrowers”). The mortgage loan is secured by (1) mortgages, deeds of trust, and deeds to secure debt on a substantial portion of the tower sites, (2) a security interest in the tower sites and substantially all of the Borrowers’ personal property and fixtures, (3) the Borrowers’ rights under certain tenant leases, and (4) all of the proceeds of the foregoing. For each calendar month, SBA Network Management, Inc., an indirect subsidiary (“Network Management”), is entitled to receive a management fee equal to 4.5% of the Borrowers’ operating revenues for the immediately preceding calendar month.

The Borrowers may prepay any of the mortgage loan components, in whole or in part, with no prepayment consideration, (1) within twelve months (in the case of the component corresponding to the Secured Tower Revenue Securities Series 2018-1C, Secured Tower Revenue Securities Series 2019-1C, Secured Tower Revenue Securities Series 2020-1C, Secured Tower Revenue Securities Series 2021-1C, and Secured Tower Revenue Securities Series 2021-2C) or eighteen months (in the case of the components corresponding to the Secured Tower Revenue Securities Series 2014-2C, Secured Tower Revenue Securities Series 2020-2C, and Secured Tower Revenue Securities Series 2021-3C)) of the anticipated repayment date of such mortgage loan component, (2) with proceeds received as a result of any condemnation or casualty of any tower owned by the Borrowers or (3) during an amortization period. In all other circumstances, the Borrowers may prepay the mortgage loan, in whole or in part, upon payment of the applicable prepayment consideration. The prepayment consideration is determined based on the class of the Tower Securities to which the prepaid mortgage loan component corresponds and consists of an amount equal to the excess, if any, of (1) the present value associated with the portion of the principal balance being prepaid, calculated in accordance with the formula set forth in the mortgage loan agreement, on the date of prepayment of all future installments of principal and interest required to be paid from the date of prepayment to and including the first due date within twelve months (in the case of the component corresponding to the Secured Tower Revenue Securities Series 2018-1C, Secured Tower Revenue Securities Series 2019-1C, Secured Tower Revenue Securities Series 2020-1C, Secured Tower Revenue Securities Series 2021-1C, and Secured Tower Revenue Securities Series 2021-2C) or eighteen months (in the case of the components corresponding to the Secured Tower Revenue Securities Series 2014-2C, Secured Tower Revenue Securities Series 2020-2C, and Secured Tower Revenue Securities Series 2021-3C) of the anticipated repayment date of such mortgage loan component over (2) that portion of the principal balance of such class prepaid on the date of such prepayment.

To the extent that the mortgage loan components corresponding to the Tower Securities are not fully repaid by their respective anticipated repayment dates, the interest rate of each such component will increase by the greater of (1) 5% and (2) the amount, if any, by which the sum of (x) the 10 year U.S. treasury rate plus (y) the credit-based spread for such component (as set forth in the mortgage loan agreement) plus (z) 5%, exceeds the original interest rate for such component.

Pursuant to the terms of the Tower Securities, all rents and other sums due on any of the towers owned by the Borrowers are directly deposited by the lessees into a controlled deposit account and are held by the indenture trustee. The monies held by the indenture trustee after the release date are classified as short-term restricted cash on the Consolidated Balance Sheets (see Note 4). However, if the Debt Service Coverage Ratio, defined as the net cash flow (as defined in the mortgage loan agreement) divided by the amount of interest on the mortgage loan, servicing fees and trustee fees that the Borrowers are required to pay over the succeeding twelve months, as of the end of any calendar quarter, falls to 1.30x or lower, then all cash flow in excess of amounts required to make debt service payments, to fund required reserves, to pay management fees and budgeted operating expenses and to make other payments required under the loan documents, referred to as “excess cash flow,” will be deposited into a reserve account instead of being released to the Borrowers. The funds in the reserve account will not be released to the Borrowers unless the Debt Service Coverage Ratio exceeds 1.30x for two consecutive calendar quarters. If the Debt Service Coverage Ratio falls below 1.15x as of the

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end of any calendar quarter, then an “amortization period” will commence and all funds on deposit in the reserve account will be applied to prepay the mortgage loan until such time that the Debt Service Coverage Ratio exceeds 1.15x for a calendar quarter. In addition, if any of the Tower Securities are not fully repaid by their respective anticipated repayment dates, the cash flow from the towers owned by the Borrowers will be trapped by the trustee for the Tower Securities and applied first to repay the interest, at the original interest rates, on the mortgage loan components underlying the Tower Securities, second to fund all reserve accounts and operating expenses associated with those towers, third to pay the management fees due to Network Management, fourth to repay principal of the Tower Securities and fifth to repay the additional interest discussed above. Furthermore, the advance rents reserve requirement states that the Borrowers are required to maintain an advance rents reserve at any time the monthly tenant Debt Service Coverage Ratio is equal to or less than 2:1 and for two calendar months after such coverage ratio again exceeds 2:1. The mortgage loan agreement, as amended, also includes covenants customary for mortgage loans subject to rated securitizations. Among other things, the Borrowers are prohibited from incurring other indebtedness for borrowed money or further encumbering their assets.

2013-2C Tower Securities

On April 18, 2013, the Company, through a New York common law trust (the “Trust”), issued $575.0 million of Secured Tower Revenue Securities Series 2013-2C, which had an anticipated repayment date of April 11, 2023 and a final maturity date of April 9, 2048 (the “2013-2C Tower Securities”). The fixed interest rate of the 2013-2C Tower Securities was 3.722% per annum, payable monthly. The Company incurred financing fees of $11.0 million in relation to this transaction, which were being amortized through the anticipated repayment date of the 2013-2C Tower Securities.

On October 14, 2021, the Company repaid the entire aggregate principal amount of the 2013-2C Tower Securities ($575.0 million) which had an anticipated repayment date of April 11, 2023 using proceeds from the Revolving Credit Facility. Additionally, the Company expensed $2.0 million of deferred financing fees and accrued interest related to the repayment of the 2013-2C Tower Securities, which are reflected in loss from extinguishment of debt on the Consolidated Statement of Operations.

2014 Tower Securities

On October 15, 2014, the Company, through the Trust, issued $920.0 million of 2.898% Secured Tower Revenue Securities Series 2014-1C, which had an anticipated repayment date of October 8, 2019 and a final maturity date of October 11, 2044 (the “2014-1C Tower Securities”) and $620.0 million of 3.869% Secured Tower Revenue Securities Series 2014-2C, which have an anticipated repayment date of October 8, 2024 and a final maturity date of October 8, 2049 (the “2014-2C Tower Securities”) (collectively the “2014 Tower Securities”). The Company incurred financing fees of $9.0 million in relation to the 2014-2C Tower Securities, which are being amortized through the anticipated repayment date of the 2014-2C Tower Securities.

On September 13, 2019, the Company repaid the entire aggregate principal amount of the 2014-1C Tower Securities in connection with the issuance of the 2019-1C Tower Securities (as defined below). Additionally, the Company expensed $0.4 million of deferred financing fees and accrued interest related to the redemption of the 2014-1C Tower Securities, which are reflected in loss from extinguishment of debt on the Consolidated Statement of Operations.

2015-1C Tower Securities

On October 14, 2015, the Company, through the Trust, issued $500.0 million of Secured Tower Revenue Securities Series 2015-1C, which had an anticipated repayment date of October 8, 2020 and a final maturity date of October 10, 2045 (the “2015-1C Tower Securities”). The fixed interest rate of the 2015-1C Tower Securities was 3.156% per annum, payable monthly. The Company incurred financing fees of $11.5 million in relation to this transaction, which were being amortized through the anticipated repayment date of the 2015-1C Tower Securities.

On July 14, 2020, the Company repaid the entire aggregate principal amount of the 2015-1C Tower Securities in connection with the issuance of the 2020 Tower Securities (as defined below). Additionally, the Company expensed $0.6 million of deferred financing fees and accrued interest related to the redemption of the 2015-1C Tower Securities, which are reflected in loss from extinguishment of debt on the Consolidated Statement of Operations.

2016-1C Tower Securities

On July 7, 2016, the Company, through the Trust, issued $700.0 million of Secured Tower Revenue Securities Series 2016-1C, which had an anticipated repayment date of July 9, 2021 and a final maturity date of July 10, 2046 (the “2016-1C Tower Securities”). The fixed interest rate of the 2016-1C Tower Securities was 2.877% per annum, payable monthly. The Company incurred

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financing fees of $9.5 million in relation to this transaction, which were being amortized through the anticipated repayment date of the 2016-1C Tower Securities.

On July 14, 2020, the Company repaid the entire aggregate principal amount of the 2016-1C Tower Securities in connection with the issuance of the 2020 Tower Securities (as defined below). Additionally, the Company expensed $2.0 million of deferred financing fees and accrued interest related to the redemption of the 2016-1C Tower Securities, which are reflected in loss from extinguishment of debt on the Consolidated Statement of Operations.

2017-1C Tower Securities

On April 17, 2017, the Company, through the Trust, issued $760.0 million of Secured Tower Revenue Securities Series 2017-1C, which had an anticipated repayment date of April 11, 2022 and a final maturity date of April 9, 2047 (the “2017-1C Tower Securities”). The fixed interest rate on the 2017-1C Tower Securities was 3.168% per annum, payable monthly. The Company incurred financing fees of $10.2 million in relation to this transaction, which were being amortized through the anticipated repayment date of the 2017-1C Tower Securities.

In addition, to satisfy certain risk retention requirements of Regulation RR promulgated under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), SBA Guarantor, LLC, a wholly owned subsidiary, purchased $40.0 million of Secured Tower Revenue Securities Series 2017-1R issued by the Trust, which had an anticipated repayment date of April 11, 2022 and a final maturity date of April 9, 2047 (the “2017-1R Tower Securities”). The fixed interest rate on the 2017-1R Tower Securities was 4.459% per annum, payable monthly. Principal and interest payments made on the 2017-1R Tower Securities eliminated in consolidation.

On May 14, 2021, the Company repaid the entire aggregate principal amount of the 2017-1C Tower Securities and the 2017-1R Tower Securities in connection with the issuance of the 2021-1C Tower Securities (as defined below). Additionally, the Company expensed $2.0 million of deferred financing fees related to the redemption of the 2017-1C Tower Securities, which are reflected in loss from extinguishment of debt on the Consolidated Statement of Operations.

2018-1C Tower Securities

On March 9, 2018, the Company, through the Trust, issued $640.0 million of Secured Tower Revenue Securities Series 2018-1C, which have an anticipated repayment date of March 9, 2023 and a final maturity date of March 9, 2048 (the “2018-1C Tower Securities”). The fixed interest rate on the 2018-1C Tower Securities is 3.448% per annum, payable monthly. The Company incurred financing fees of $8.6 million in relation to this transaction, which are being amortized through the anticipated repayment date of the 2018-1C Tower Securities.

In addition, to satisfy certain risk retention requirements of Regulation RR promulgated under the Exchange Act, SBA Guarantor, LLC, a wholly owned subsidiary, purchased $33.7 million of Secured Tower Revenue Securities Series 2018-1R issued by the Trust. These securities have an anticipated repayment date of March 9, 2023 and a final maturity date of March 9, 2048 (the “2018-1R Tower Securities”). The fixed interest rate on the 2018-1R Tower Securities is 4.949% per annum, payable monthly. Principal and interest payments made on the 2018-1R Tower Securities eliminate in consolidation.

2019-1C Tower Securities

On September 13, 2019, the Company, through the Trust, issued $1.165 billion of Secured Tower Revenue Securities Series 2019-1C, which have an anticipated repayment date of January 12, 2025 and a final maturity date of January 12, 2050 (the “2019-1C Tower Securities”). The fixed interest rate on the 2019-1C Tower Securities is 2.836% per annum, payable monthly. The Company incurred financing fees of $12.8 million in relation to this transaction, which are being amortized through the anticipated repayment date of the 2019-1C Tower Securities.

In addition, to satisfy certain risk retention requirements of Regulation RR promulgated under the Exchange Act, SBA Guarantor, LLC, a wholly owned subsidiary, purchased $61.4 million of Secured Tower Revenue Securities Series 2019-1R issued by the Trust. These securities have an anticipated repayment date of January 12, 2025 and a final maturity date of January 12, 2050 (the “2019-1R Tower Securities”). The fixed interest rate on the 2019-1R Tower Securities is 4.213% per annum, payable monthly. Principal and interest payments made on the 2019-1R Tower Securities eliminate in consolidation.

F-27

2020 Tower Securities

On July 14, 2020, the Company, through the Trust, issued $750.0 million of 1.884% Secured Tower Revenue Securities Series 2020-1C which have an anticipated repayment date of January 9, 2026 and a final maturity date of July 11, 2050 (the “2020-1C Tower Securities”) and $600.0 million of 2.328% Secured Tower Revenue Securities Series 2020-2C which have an anticipated repayment date of January 11, 2028 and a final maturity date of July 9, 2052 (the “2020-2C Tower Securities”) (collectively the “2020 Tower Securities”). The aggregate $1.35 billion of 2020 Tower Securities have a blended interest rate of 2.081% and a weighted average life through the anticipated repayment date of 6.4 years. Net proceeds from this offering were used to repay the entire aggregate principal amount of the 2015-1C Tower Securities ($500.0 million) and the 2016-1C Tower Securities ($700.0 million). The remaining net proceeds of the 2020 Tower Securities were used for general corporate purposes. The Company has incurred deferred financing fees of $14.3 million in relation to this transaction which are being amortized through the anticipated repayment date of the 2020 Tower Securities.

In addition, to satisfy certain risk retention requirements of Regulation RR promulgated under the Exchange Act, SBA Guarantor, LLC, a wholly owned subsidiary, purchased $71.1 million of Secured Tower Revenue Securities Series 2020-1R issued by the Trust. These securities have an anticipated repayment date of January 11, 2028 and a final maturity date of July 9, 2052 (the “2020-2R Tower Securities”). The fixed interest rate on the 2020-2R Tower Securities is 4.336% per annum, payable monthly. Principal and interest payments made on the 2020-2R Tower Securities eliminate in consolidation.

2021-1C Tower Securities

On May 14, 2021, the Company, through a New York common law trust (the “Trust”), issued $1.165 billion of Secured Tower Revenue Securities Series 2021-1C which have an anticipated repayment date of November 9, 2026 and a final maturity date of May 9, 2051 (the “2021-1C Tower Securities”). The fixed interest rate on the 2021-1C Tower Securities is 1.631% per annum, payable monthly. Net proceeds from this offering were used to repay the entire aggregate principal amount of the 2017-1C Tower Securities ($760.0 million) and the Secured Tower Revenue Securities, Series 2017-1R ($40.0 million) and for general corporate purposes. The Company has incurred deferred financing fees of $12.7 million in relation to this transaction, which are being amortized through the anticipated repayment date of the 2021-1C Tower Securities.

In addition, to satisfy certain risk retention requirements of Regulation RR promulgated under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), SBA Guarantor, LLC, a wholly owned subsidiary, purchased $61.4 million of Secured Tower Revenue Securities Series 2021-1R issued by the Trust. These securities have an anticipated repayment date of November 9, 2026 and a final maturity date of May 9, 2051 (the “2021-1R Tower Securities”). The fixed interest rate on the 2021-1R Tower Securities is 3.625% per annum, payable monthly. Principal and interest payments made on the 2021-1R Tower Securities eliminate in consolidation.

2021-2C Tower Securities and 2021-3C Tower Securities

On October 27, 2021, the Company, through the Trust, issued $895.0 million of 1.840% Secured Tower Revenue Securities Series 2021-2C which have an anticipated repayment date of April 9, 2027 and a final maturity date of October 10, 2051 (the “2021-2C Tower Securities”) and $895.0 million of 2.593% Secured Tower Revenue Securities Series 2021-3C which have an anticipated repayment date of October 9, 2031 and a final maturity date of October 10, 2056 (the “2021-3C Tower Securities”). The aggregate $1.79 billion of 2021-2C Tower Securities and 2021-3C Tower Securities have a blended interest rate of 2.217% and a weighted average life through the anticipated repayment date of 7.8 years.

Net proceeds from this offering were used to repay amounts outstanding on the Revolving Credit Facility and remaining proceeds were used to redeem the entire aggregate principal amount of the 2016 Senior Notes ($1.1 billion) and to pay all premiums and costs associated with such redemption. The Company has incurred deferred financing fees of $18.3 million in relation to this transaction, which are being amortized through the anticipated repayment dates of the 2021-2C Tower Securities and 2021-3C Tower Securities.

In addition, to satisfy certain risk retention requirements of Regulation RR promulgated under the Exchange Act, SBA Guarantor, LLC, a wholly owned subsidiary, purchased $94.3 million of Secured Tower Revenue Securities Series 2021-3R issued by the Trust. These securities have an anticipated repayment date of October 9, 2031 and a final maturity date of October 10, 2056 (the “2021-3R Tower Securities”). The fixed interest rate on the 2021-3R Tower Securities is 4.090% per annum, payable monthly. Principal and interest payments made on the 2021-3R Tower Securities eliminate in consolidation.

In connection with the issuance of the 2021-1C Tower Securities, 2021-2C Tower Securities, 2021-3C Tower Securities, Tower Securities, SBA Properties, LLC, SBA Sites, LLC, SBA Structures, LLC, SBA Infrastructure, LLC, SBA Monarch Towers III,

F-28

LLC, SBA 2012 TC Assets PR, LLC, SBA 2012 TC Assets, LLC, SBA Towers IV, LLC, SBA Monarch Towers I, LLC, SBA Towers USVI, Inc., SBA Towers VII, LLC, SBA GC Towers, LLC, SBA Towers V, LLC, and SBA Towers VI, LLC (collectively, the “Borrowers”), each an indirect subsidiary of SBAC, and Midland Loan Services, a division of PNC Bank, National Association, as servicer, on behalf of the Trustee entered into the Second Loan and Security Agreement Supplement and Amendment pursuant to which, among other things, (1) the outstanding principal amount of the mortgage loan was increased by $3.0 billion (but increased by a net of $1.7 billion after giving effect to repayment of the loan components relating to the 2013-2C Tower Securities and 2017-1C Tower Securities) and (2) the Borrowers became jointly and severally liable for the aggregate $6.7 billion borrowed under the mortgage loan corresponding to the 2014-2C Tower Securities, 2018-1C Tower Securities, 2019-1C Tower Securities, the 2020-1C Tower Securities, 2020-2C Tower Securities, 2021-1C Tower Securities, 2021-2C Tower Securities, and 2021-3C Tower Securities. The new loans, after eliminating the risk retention securities, accrue interest at the same rate as the 2021-1C Tower Securities, 2021-2C Tower Securities, and 2021-3C Tower Securities and are subject to all other material terms of the existing mortgage loan, including collateral and interest rate after the anticipated repayment date.

Debt Covenants

As of December 31, 2021, the Borrowers met the debt service coverage ratio required by the mortgage loan agreement and were in compliance with all other covenants as set forth in the agreement.

Senior Notes

Indentures Governing Senior Notes

The Indentures governing the Senior Notes contain customary covenants, subject to a number of exceptions and qualifications, including restrictions on the ability of SBAC and Telecommunications to (1) incur additional indebtedness unless the Consolidated Indebtedness to Annualized Consolidated Adjusted EBITDA Ratio (as defined in the Indenture), pro forma for the additional indebtedness does not exceed, with respect to any fiscal quarter, 9.5x for SBAC, (2) merge, consolidate or sell assets, (3) make restricted payments, including dividends or other distributions, (4) enter into transactions with affiliates, and (5) enter into sale and leaseback transactions and restrictions on the ability of the Restricted Subsidiaries of SBAC (as defined in the Indentures) to incur liens securing indebtedness.

2014 Senior Notes

On July 1, 2014, the Company issued $750.0 million of unsecured senior notes due July 15, 2022 (the “2014 Senior Notes”). The 2014 Senior Notes accrued interest at a rate of 4.875% per annum and were issued at 99.178% of par value. The Company had incurred financing fees of $11.6 million in relation to this transaction, which were being amortized through the maturity date.

On February 20, 2020, the Company redeemed the entire $750.0 million balance of the 2014 Senior Notes with proceeds from the 2020 Senior Notes (defined below). In addition, the Company paid a $9.1 million call premium and expensed $7.7 million for the write-off of the original issue discount and financing fees related to the redemption of the 2014 Senior Notes which are reflected in loss from extinguishment of debt on the Consolidated Statement of Operations.

2016 Senior Notes

On August 15, 2016, the Company issued $1.1 billion of unsecured senior notes due September 1, 2024 (the “2016 Senior Notes”). The 2016 Senior Notes accrued interest at a rate of 4.875% per annum and were issued at 99.178% of par value. The Company incurred financing fees of $12.8 million in relation to this transaction, which were being amortized through the maturity date.

On November 8, 2021, the Company redeemed the entire $1.1 billion balance of the 2016 Senior Notes with proceeds from the 2021-2C Tower Securities and 2021-3C Tower Securities. In addition, the Company paid a $13.4 million call premium and expensed $10.3 million for the write-off of the original issue discount and financing fees related to the redemption of the 2016 Senior Notes, which are reflected in loss from extinguishment of debt on the Consolidated Statement of Operations.

2017 Senior Notes

On October 13, 2017, the Company issued $750.0 million of unsecured senior notes due October 1, 2022 at par value (the “2017 Senior Notes”). The 2017 Senior Notes accrued interest at a rate of 4.0% per annum. The Company incurred financing fees of $8.9 million in relation to this transaction, which were being amortized through the maturity date.

F-29

On February 11, 2021, the Company redeemed the entire $750.0 million balance of the 2017 Senior Notes with proceeds from the 2021 Senior Notes (defined below). In addition, the Company paid a $7.5 million call premium and expensed $4.2 million for the write-off of financing fees related to the redemption of the 2017 Senior Notes, which are reflected in loss from extinguishment of debt on the Consolidated Statement of Operations.

2020 Senior Notes

On February 4, 2020, the Company issued $1.0 billion of unsecured senior notes due February 15, 2027 at par value (the “2020-1 Senior Notes”), and on May 26, 2020, the Company issued $500.0 million of additional unsecured senior notes under the same indenture at 99.500% of par value (the “2020-2 Senior Notes”) (collectively, the “2020 Senior Notes”). The 2020 Senior Notes accrue interest at a rate of 3.875% per annum. Net proceeds from these offerings were used to redeem the entire $750.0 million outstanding principal amount of the 2014 Senior Notes, repay amounts outstanding under the Revolving Credit Facility, and for general corporate purposes. Interest on the 2020 Senior Notes is due semi-annually on February 15 and August 15 of each year, beginning on August 15, 2020. The Company incurred financing fees of $18.0 million in relation to this transaction, which are being amortized through the maturity date.

The 2020 Senior Notes are subject to redemption in whole or in part on or after February 15, 2023 at the redemption prices set forth in the indenture agreement plus accrued and unpaid interest. Prior to February 15, 2023, the Company may, at its option, redeem up to 35% of the aggregate principal amount of the 2020 Senior Notes originally issued at a redemption price of 103.875% of the principal amount of the 2020 Senior Notes to be redeemed on the redemption date plus accrued and unpaid interest with the net proceeds of certain equity offerings. The Company may redeem the 2020 Senior Notes during the twelve-month period beginning on the following dates at the following redemption prices: February 15, 2023 at 101.938%, February 15, 2024 at 100.969%, or February 15, 2025 until maturity at 100.000%, of the principal amount of the 2020 Senior Notes to be redeemed on the redemption date plus accrued and unpaid interest.

2021 Senior Notes

On January 29, 2021, the Company issued $1.5 billion of unsecured senior notes due February 1, 2029 at par value (the “2021 Senior Notes”). The 2021 Senior Notes accrue interest at a rate of 3.125% per annum. Interest on the 2021 Senior Notes is due semi-annually on February 1 and August 1 of each year, beginning on August 1, 2021. The Company incurred financing fees of $14.6 million in relation to this transaction, which are being amortized through the maturity date. Net proceeds from this offering were used to redeem the entire $750.0 million outstanding principal amount of the 2017 Senior Notes, repay the amounts outstanding under the Revolving Credit Facility, and for general corporate purposes.

The 2021 Senior Notes are subject to redemption in whole or in part on or after February 1, 2024 at the redemption prices set forth in the indenture agreement plus accrued and unpaid interest. Prior to February 1, 2024, the Company may, at its option, redeem up to 35% of the aggregate principal amount of the 2021 Senior Notes originally issued at a redemption price of 103.125% of the principal amount of the 2021 Senior Notes to be redeemed on the redemption date plus accrued and unpaid interest with the net proceeds of certain equity offerings. The Company may redeem the 2021 Senior Notes during the twelve-month period beginning on the following dates at the following redemption prices: February 1, 2024 at 101.563%, February 1, 2025 at 100.781%, or February 1, 2026 until maturity at 100.000%, of the principal amount of the 2021 Senior Notes to be redeemed on the redemption date plus accrued and unpaid interest.

**12.**SHAREHOLDERS’ EQUITY

Common Stock Equivalents

The Company has outstanding stock options, time-based restricted stock units (“RSUs”), and performance-based restricted stock units (“PSUs”) which were considered in the Company’s diluted earnings per share calculation (see Note 16).

Registration of Additional Shares

The Company filed a shelf registration statement on Form S-4 with the Securities and Exchange Commission registering 4.0 million shares of its Class A common stock in 2007. These shares may be issued in connection with acquisitions of wireless communication towers or antenna sites and related assets or companies that own wireless communication towers, antenna sites, or related assets. During the years ended December 31, 2021 and 2020, the Company did not issue any shares of Class A common stock under this registration statement. As of December 31, 2021, the Company had approximately 1.2 million shares of Class A common stock remaining under this registration statement.

F-30

On February 26, 2021, the Company filed with the Securities and Exchange Commission an automatic shelf registration statement for well-known seasoned issuers on Form S-3ASR, which enables the Company to issue shares of its Class A common stock, preferred stock, debt securities, warrants, or depositary shares as well as units that include any of these securities. The Company will file a prospectus supplement containing the amount and type of securities each time it issues securities using its automatic shelf registration statement on Form S-3ASR. For the years ended December 31, 2021 and 2020, the Company did not issue any securities under this automatic shelf registration statement.

On August 6, 2020, the Company filed a registration statement on Form S-8 with the Securities and Exchange Commission registering 3.4 million shares of the Company’s Class A common stock, consisting of 3.0 million shares of Common Stock issuable under the 2020 Performance and Equity Incentive Plan (the “2020 Plan”) and 400,000 shares of Common Stock subject to awards granted under the 2010 Performance and Equity Incentive Plan (the “2010 Plan”) that may become available for issuance or reissuance, as applicable, under the 2020 Plan if such awards are forfeited or are settled in cash or otherwise expire or terminate without the delivery of the shares (see Note 13).

Stock Repurchases

The Company’s Board of Directors authorizes the Company to purchase, from time to time, outstanding Class A common stock through open market repurchases in compliance with Rule 10b-18 under the Exchange Act, and/or in privately negotiated transactions at management’s discretion based on market and business conditions, applicable legal requirements, and other factors. Once authorized, the repurchase plan has no time deadline and will continue until otherwise modified or terminated by the Company’s Board of Directors at any time in its sole discretion. Shares repurchased are retired. On October 28, 2021, the Company’s Board of Directors authorized a new $1.0 billion stock repurchase plan, replacing the prior plan authorized on November 2, 2020, which had a remaining authorization of $125.1 million. As of the date of this filing, the Company had $586.4 million authorization remaining under the new plan.

The following is a summary of the Company’s share repurchases:

For the year
ended December 31,
202120202019
Total number of shares purchased (in millions) (1)1.93.12.0
Average price paid per share (1)$309.79$280.17$231.87
Total price paid (in millions) (1)$582.5$856.0$470.3

Subsequent to December 31, 2021, the Company made the following share repurchases:

Total number of shares purchased (in millions) (1)1.0
Average price paid per share (1)$334.40
Total price paid (in millions) (1)$350.0

(1)Amounts reflected are based on the trade date and differ from the Consolidated Statements of Cash Flows which reflects share repurchases based on the settlement date.

Dividends

As a REIT, the Company is required to distribute annually at least 90% of its REIT taxable income after the utilization of any available NOLs (determined before the deduction for dividends paid and excluding any net capital gain). As of December 31, 2021, $654.7 million of the federal NOLs are attributes of the REIT. The Company may use these NOLs to offset its REIT taxable income, and thus any required distributions to shareholders may be reduced or eliminated until such time as the Company’s NOLs have been fully utilized. The amount of future distributions will be determined, from time to time, by the Board of Directors to balance the Company’s goal of increasing long-term shareholder value and retaining sufficient cash to implement the Company’s current capital allocation policy, which prioritizes investment in quality assets that meet the Company’s return criteria, and then stock repurchases when the Company believes its stock price is below its intrinsic value. The actual amount, timing and frequency of future dividends, will be at the sole discretion of the Board of Directors and will be declared based upon various factors, many of which are beyond the Company’s control.

‎

F-31

As of December 31, 2021, the Company paid the following cash dividends:

Payable to Shareholders
of Record at the CloseCash PaidAggregate Amount
Date Declaredof Business onPer SharePaidDate Paid
February 19, 2021March 10, 2021$0.58$63.4 millionMarch 26, 2021
April 26, 2021May 20, 2021$0.58$63.4 millionJune 15, 2021
August 1, 2021August 26, 2021$0.58$63.6 millionSeptember 23, 2021
November 1, 2021November 18, 2021$0.58$63.1 millionDecember 16, 2021

Dividends paid in 2021 and 2020 were ordinary taxable dividends.

Subsequent to December 31, 2021, the Company declared the following cash dividends:

Payable to ShareholdersCash to
of Record at the Closebe Paid
Date Declaredof Business onPer ShareDate to be Paid
February 27, 2022March 10, 2022$0.71March 25, 2022

**13.**STOCK-BASED COMPENSATION

On February 25, 2020, the Company’s 2010 Plan expired by its terms. On May 14, 2020, the Company’s shareholders approved the 2020 Plan which provides for the issuance of up to 3.0 million shares of the Company’s Class A common stock (of which approximately 2.8 million shares remain available for future issuance as of December 31, 2021), plus additional shares of Class A common stock (a) subject to awards granted under the 2010 Plan that may become available for issuance or reissuance, as applicable, under the 2020 Plan if such awards are forfeited or are settled in cash or otherwise expire or terminate without the delivery of the shares or (b) which become issuable under the 2020 Plan by reason of any stock dividend, stock split, recapitalization or other similar transaction effected without the receipt of consideration which results in an increase in the number of outstanding shares of Class A common stock.

Commencing with the 2020 equity award, the Company modified the type of equity granted to certain employees to align long-term compensation with Company performance. Under the new structure, the Company continued to issue RSUs; however, RSUs will now vest ratably over three years rather than four years. The Company further replaced stock options with PSUs which will cliff vest at the end of three years. PSUs have performance metrics for which threshold, target, and maximum parameters are established at the time of the grant. The performance metrics are used to calculate the number of shares that will be issuable when the awards vest, which may range from zero to 200% of the target amounts. At the end of each three year performance period, the number of shares that vest will depend on the results achieved against the pre-established performance metrics. Furthermore, effective with the 2020 grant, RSUs and PSUs will accrue dividend equivalents prior to vesting, which will be paid out only in respect to shares that actually vest.

Stock Options

The Company records compensation expense for employee stock options based on the estimated fair value of the options on the date of grant using the Black-Scholes option-pricing model with the assumptions included in the table below. The Company uses a combination of historical data and historical volatility to establish the expected volatility, as well as to estimate the expected option life. The risk-free rate is based on the U.S. Treasury yield curve in effect at the time of grant for the estimated life of the option. The following assumptions were used to estimate the fair value of options granted using the Black-Scholes option-pricing model:

For the year ended December 31,
20202019
Risk free interest rate1.66%1.37% - 2.47%
Dividend yield1.3%1.3%
Expected volatility20.4%20.4%
Expected lives4.6 years4.6 years

There were no options granted during the year ended December 31, 2021.

‎

F-32

The following table summarizes the Company’s activities with respect to its stock option plans for the years ended December 31, 2021, 2020 and 2019 as follows (dollars and shares in thousands, except for per share data):

WeightedWeighted Average
AverageRemaining
NumberExercise PriceContractualAggregate
of SharesPer ShareLife (in years)Intrinsic Value
Outstanding at December 31, 20184,816$114.48
Granted1,068$183.42
Exercised(1,315)$103.47
Forfeited/canceled(62)$140.85
Outstanding at December 31, 20194,507$133.68
Granted10$240.99
Exercised(1,287)$110.59
Forfeited/canceled(28)$168.11
Outstanding at December 31, 20203,202$143.01
Exercised(1,290)$120.90
Forfeited/canceled(13)$179.67
Outstanding at December 31, 20211,899$157.763.3$439,006
Exercisable at December 31, 20211,166$146.402.9$282,999
Unvested at December 31, 2021733$175.863.9$156,007

The weighted average per share fair value of options granted during the years ended December 31, 2020 and 2019 was $41.09 and $33.99, respectively.

The total intrinsic value for options exercised during the years ended December 31, 2021, 2020, and 2019 was $287.8 million, $235.0 million, and $132.8 million, respectively. Cash received from option exercises under all plans for the years ended December 31, 2021, 2020, and 2019 was approximately $80.3 million, $142.5 million, and $136.0 million, respectively. The tax benefit realized for the tax deductions from option exercises under all plans was $11.4 million, $16.9 million, and $10.2 million for the years ended December 31, 2021, 2020, and 2019, respectively.

The aggregate intrinsic value for stock options in the preceding table represents the total intrinsic value based on the Company’s closing stock price of $389.02 as of December 31, 2021. The amount represents the total intrinsic value that would have been received by the holders of the stock-based awards had these awards been exercised and sold as of that date.

Additional information regarding options outstanding and exercisable at December 31, 2021 is as follows:

Options OutstandingOptions Exercisable
Weighted AverageWeightedWeighted
RemainingAverageAverage
RangeOutstandingContractual LifeExercise PriceExercisableExercise Price
(in thousands)(in years)(in thousands)
$95.01 - $115.001451.2$97.90144$97.90
$115.01 - $150.003032.1$116.20303$116.20
$150.01 - $180.006063.2$156.54389$156.55
$180.01 - $270.008454.2$183.77330$183.44
1,8991,166

‎

F-33

The following table summarizes the activity of options outstanding that had not yet vested:

Weighted
Average
NumberFair Value
of SharesPer Share
(in thousands)
Unvested as of December 31, 20201,502$31.91
Vested(756)$30.09
Forfeited(13)$34.13
Unvested as of December 31, 2021733$33.74

As of December 31, 2021, the total unrecognized compensation expense related to unvested stock options outstanding under the Plans is $5.3 million. That cost is expected to be recognized over a weighted average period of 1.1 years.

The total fair value of options vested during 2021, 2020, and 2019 was $22.7 million, $28.8 million, and $26.5 million, respectively.

Restricted Stock Units and Performance-Based Restricted Stock Units

The following table summarizes the Company’s RSU and PSU activity for the year ended December 31, 2021:

RSUsPSUs (1)
Weighted AverageWeighted Average
Number ofGrant Date FairNumber ofGrant Date Fair
SharesValue per ShareSharesValue per Share
(in thousands)(in thousands)
Outstanding at December 31, 2020274$206.48148$376.48
Granted107$240.09155$236.72
Vested(128)$187.32—$—
Forfeited/canceled(10)$236.71(5)$340.32
Outstanding at December 31, 2021243$230.20298$304.46

(1)PSUs represent the target number of shares granted that are issuable at the end of the three year performance period. Fair value for a portion of the PSUs was calculated using a Monte Carlo simulation model.

Employee Stock Purchase Plan

In 2018, the Board of Directors of the Company adopted the 2018 Employee Stock Purchase Plan (“2018 Purchase Plan”) which replaced the 2008 Purchase Plan and reserved 300,000 shares of Class A common stock for purchase. The 2018 Purchase Plan permits eligible employee participants to purchase Class A common stock at a price per share which is equal to 85% of the fair market value of Class A common stock on the last day of an offering period. For the years ended December 31, 2021 and 2020, 25,031 shares and 25,058 shares, respectively, of Class A common stock were issued under the 2018 Purchase Plan, which resulted in cash proceeds to the Company of approximately $6.4 million and $6.1 million, respectively. At December 31, 2021, 209,731 shares remained available for issuance under the 2018 Purchase Plan.

In addition, the Company recorded $1.1 million, $1.1 million, and $1.0 million of non-cash compensation expense relating to the shares issued under the 2018 Purchase Plan for each of the years ended December 31, 2021, 2020, and 2019, respectively.

‎

F-34

Non-Cash Compensation Expense

The table below reflects a breakout by category of the non-cash compensation expense amounts recognized on the Company’s Statements of Operations for the years ended December 31, 2021, 2020, and 2019, respectively:

For the year ended December 31,
202120202019
(in thousands)
Cost of revenues$2,483$2,074$2,034
Selling, general and administrative81,91966,81671,180
Total cost of non-cash compensation included
in income before provision for income taxes$84,402$68,890$73,214

During 2018, the Board of Directors adopted a retirement policy applicable to all employees receiving equity as part of their compensation plan. This policy was effective January 1, 2019. Historically, all unvested equity awards were forfeited upon termination of employment and any options that were vested but unexercised would be forfeited 90 days after the termination of employment. The new retirement policy allows employees that meet certain conditions to vest or continue vesting in outstanding equity awards following retirement and extends the time the employee has to exercise vested and outstanding awards. As a result of this policy, stock compensation expense related to the adoption of the policy resulted in an acceleration of unrecognized stock compensation expense of approximately $18.5 million in 2019.

In addition, the Company capitalized $1.4 million, $1.5 million, and $1.1 million of non-cash compensation for the years ended December 31, 2021, 2020, and 2019, respectively, to fixed assets.

**14.**INCOME TAXES

As discussed in Note 2, the Company began operating in compliance with REIT requirements for federal income tax purposes effective January 1, 2016. As a REIT, the Company must distribute at least 90 percent of its taxable income (including dividends paid to it by its TRSs) except to the extent offset by NOLs. In addition, the Company must meet a number of other organizational and operational requirements. It is management's intention to adhere to these requirements and maintain the Company's REIT status. Most states where the Company operates conform to the federal rules recognizing REITs. Certain subsidiaries have made an election with the Company to be treated as TRSs in conjunction with the Company's REIT election; the TRS elections permit the Company to engage in certain business activities in which the REIT may not engage directly. A TRS is subject to federal and state income taxes on the income from these activities. A provision for taxes of the TRSs and of foreign branches of the REIT is included in its consolidated financial statements.

Income (loss) before provision (benefit) for income taxes by geographic area is as follows:

For the year ended December 31,
202120202019
(in thousands)
Domestic$265,636$151,421$133,046
Foreign(13,072)(169,170)53,843
Total$252,564$(17,749)$186,889

F-35

The provision (benefit) for income taxes consists of the following components:

For the year ended December 31,
202120202019
(in thousands)
Current provision:
State$543$753$5,520
Foreign22,90720,63818,150
Total current23,45021,39123,670
Deferred provision (benefit) for taxes:
Federal20(7,552)(3,306)
State(2,730)(4,684)1,952
Foreign(9,516)(59,956)13,138
Change in valuation allowance3,7169,0054,151
Total deferred(8,510)(63,187)15,935
Total provision (benefit) for income taxes$14,940$(41,796)$39,605

A reconciliation of the provision (benefit) for income taxes at the statutory U.S. Federal tax rate (21%) and the effective income tax rate is as follows:

For the year ended December 31,
202120202019
(in thousands)
Statutory federal expense$53,039$(3,727)$39,247
Rate and permanent differences on non-U.S. earnings (1)9,586(7,531)15,937
State and local tax expense(1,539)(3,707)7,578
REIT adjustment(56,457)(35,539)(28,975)
Permanent differences6,105(736)18
Other4904391,649
Valuation allowance3,7169,0054,151
Provision (benefit) for income taxes$14,940$(41,796)$39,605

(1)This item includes the effect of foreign exchange rate changes which were previously shown on a separate line.

‎

F-36

The components of the net noncurrent deferred income tax asset (liability) accounts are as follows:

As of December 31,
20212020
(in thousands)
Deferred tax assets:
Net operating losses$56,445$55,657
Property, equipment, and intangible basis differences11,6019,813
Accrued liabilities8,8906,561
Non-cash compensation11,63720,128
Operating lease liability221,287232,329
Deferred revenue4,6462,846
Allowance for doubtful accounts1,5123,017
Currency translation98,91899,344
Other8,4795,808
Valuation allowance(66,134)(63,239)
Total deferred tax assets, net (1)357,281372,264
Deferred tax liabilities:
Property, equipment, and intangible basis differences(134,005)(145,328)
Right-of-use asset(211,146)(223,366)
Straight-line rents(19,054)(20,809)
Deferred foreign withholding taxes(10,313)(9,796)
Other(1,571)(1,532)
Total deferred tax liabilities, net (1)$(18,808)$(28,567)

(1)Of these amounts, $51,918 and $70,726 are included in Other assets and Other long-term liabilities, respectively, on the accompanying Consolidated Balance Sheets as of December 31, 2021. As of December 31, 2020, $53,722 and $82,290 are included in Other assets and Other long-term liabilities, respectively, on the accompanying Consolidated Balance Sheet.

A deferred tax asset is reduced by a valuation allowance if based on the weight of all available evidence, including both positive and negative evidence, it is more likely than not (a likelihood of more than 50%) that the value of such assets will not be realized. The valuation allowance should be sufficient to reduce the deferred tax asset to the amount that is more likely than not to be realized. The realization of deferred tax assets, including carryforwards and deductible temporary differences, depends upon the existence of sufficient taxable income of the same character during the carryback or carryforward period. All sources of taxable income available to realize the deferred tax asset, including the future reversal of existing temporary differences, future taxable income exclusive of reversing temporary differences and carryforwards, taxable income in carryback years and tax-planning strategies, should be considered.

The Company has recorded a valuation allowance for certain deferred tax assets as management believes that it is not “more-likely-than-not” that the Company will generate sufficient taxable income in future periods to recognize the assets. Valuation allowances of $66.1 million and $63.2 million were being carried to offset net deferred income tax assets as of December 31, 2021 and 2020, respectively. The net change in the valuation allowance for the years ended December 31, 2021 and 2020 was an increase of $2.9 million and an increase of $8.6 million, respectively.

The Company has available at December 31, 2021, a federal NOL carry-forward of approximately $790.3 million. $748.8 million of these NOL carry-forwards will expire between 2025 and 2037, and $41.5 million have an indefinite carry-forward. As of December 31, 2021, $654.7 million of the federal NOLs are attributes of the REIT. The Company may use these NOLs to offset its REIT taxable income, and thus any required distributions to shareholders may be reduced or eliminated until such time as the NOLs have been fully utilized. The Internal Revenue Code places limitations upon the future availability of NOLs based upon changes in the equity of the Company. If these occur, the ability of the Company to offset future income with existing NOLs may be limited. In addition, the Company has available at December 31, 2021, a foreign NOL carry-forward of $69.6 million and a net state operating tax loss carry-forward of approximately $441.6 million. These net operating tax loss carry-forwards began to expire in 2021.

The tax losses generated in tax years 2003 through 2016 remain subject to audit adjustment, and tax years 2017 and forward are open to examination by the major jurisdictions in which the Company operates.

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The Company has removed the permanent reinvestment assertion as of December 31, 2021 for all foreign earnings of the Company’s foreign jurisdictions except Argentina. The Company has also removed its permanent reinvestment assertion on the investment in the Company’s Guatemala and El Salvador subsidiaries. The Company has recorded deferred foreign withholding taxes of $10.3 million at December 31, 2021. No additional income taxes have been provided for any additional outside basis difference inherent in these entities, as these amounts continue to be indefinitely reinvested in foreign operations except as noted in Guatemala and El Salvador. The deferred incomes taxes related to the Guatemala and El Salvador subsidiaries are immaterial and determining the amount of unrecognized deferred tax liability for any additional outside basis differences in these entities that the investment is indefinitely reinvested is not practicable.

On December 22, 2017, the U.S. government enacted comprehensive tax legislation in the form of the Tax Cuts and Jobs Act (the “Tax Act”). The Tax Act subjects a U.S. shareholder to tax on Global Intangible Low-Taxed Income (“GILTI”) earned by certain foreign subsidiaries. The FASB Staff Q&A, Topic 740, No. 5, Accounting for Global Intangible Low-Taxed Income, states that an entity can make an accounting policy election to either recognize deferred taxes for temporary basis differences expected to reverse as GILTI in future years or to provide for the tax expense related to GILTI in the year the tax is incurred as a period expense only. The Company has elected to account for GILTI in the year it is incurred. There is no income inclusion for GILTI for the year ended December 31, 2021.

**15.**SEGMENT DATA

The Company operates principally in two business segments: site leasing and site development. The Company’s site leasing business includes two reportable segments, domestic site leasing and international site leasing. The Company’s business segments are strategic business units that offer different services. They are managed separately based on the fundamental differences in their operations. The site leasing segment includes results of the managed and sublease businesses. The site development segment includes the results of both consulting and construction related activities. The Company’s Chief Operating Decision Maker utilizes segment operating profit and operating income as his two measures of segment profit in assessing performance and allocating resources at the reportable segment level. The Company has applied the aggregation criteria to operations within the international site leasing segment on a basis that is consistent with management’s review of information and performance evaluations of the individual markets in this region.

‎

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Revenues, cost of revenues (exclusive of depreciation, accretion and amortization), capital expenditures (including assets acquired through the issuance of shares of the Company’s Class A common stock) and identifiable assets pertaining to the segments in which the Company continues to operate are presented below.

Domestic SiteInt'l SiteSite
LeasingLeasingDevelopmentOtherTotal
For the year ended December 31, 2021(in thousands)
Revenues$1,681,372$422,715$204,747$—$2,308,834
Cost of revenues (1)258,612127,779159,093—545,484
Operating profit1,422,760294,93645,654—1,763,350
Selling, general, and administrative expenses115,45837,76820,63646,167220,029
Acquisition and new business initiatives
related adjustments and expenses14,45213,169——27,621
Asset impairment and decommission costs20,13512,763—14633,044
Depreciation, amortization and accretion514,234177,0592,2956,573700,161
Operating income (loss)758,48154,17722,723(52,886)782,495
Other expense (principally interest
expense and other expense)(529,931)(529,931)
Income before income taxes252,564
Cash capital expenditures (2)1,249,075135,5912,5636,2691,393,498
For the year ended December 31, 2020
Revenues$1,558,311$396,161$128,666$—$2,083,138
Cost of revenues (1)256,673117,105102,750—476,528
Operating profit1,301,638279,05625,916—1,606,610
Selling, general, and administrative expenses102,88934,90517,66338,810194,267
Acquisition and new business initiatives
related adjustments and expenses10,3316,251——16,582
Asset impairment and decommission costs28,88711,210——40,097
Depreciation, amortization and accretion539,399174,0732,3566,142721,970
Operating (loss) income620,13252,6175,897(44,952)633,694
Other expense (principally interest
expense and other expense)(651,443)(651,443)
Loss before income taxes(17,749)
Cash capital expenditures (2)303,36689,7621,7526,191401,071
For the year ended December 31, 2019
Revenues$1,487,108$373,750$153,787$—$2,014,645
Cost of revenues (1)258,413115,538119,080—493,031
Operating profit1,228,695258,21234,707—1,521,614
Selling, general, and administrative expenses99,70732,41121,52539,074192,717
Acquisition and new business initiatives
related adjustments and expenses7,9337,295——15,228
Asset impairment and decommission costs24,2028,8992—33,103
Depreciation, amortization and accretion527,718161,1832,3415,836697,078
Operating income (loss)569,13548,42410,839(44,910)583,488
Other expense (principally interest
expense and other expense)(396,599)(396,599)
Income before income taxes186,889
Cash capital expenditures (2)287,793635,7283,9004,271931,692
Domestic SiteInt'l SiteSite
LeasingLeasingDevelopmentOther (3)Total
Assets(in thousands)
As of December 31, 2021$6,628,156$2,870,503$87,410$215,630$9,801,699
As of December 31, 2020$5,893,636$2,955,563$61,729$247,090$9,158,018

(1)Excludes depreciation, amortization, and accretion.

(2)Includes cash paid for capital expenditures, acquisitions, and right-of-use assets.

(3)Assets in Other consist primarily of general corporate assets and short-term investments.

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For the years ended December 31, 2021, 2020, and 2019, site leasing revenue in Brazil was $233.5 million, $222.6 million, and $226.7 million, respectively. Other than Brazil, no foreign country represented a material amount of the Company’s total site leasing revenues in any of the periods presented. Total long-lived assets in Brazil were $0.9 billion and $1.0 billion as of December 31, 2021 and 2020, respectively.

**16.**EARNINGS PER SHARE

Basic earnings per share was computed by dividing net income attributable to SBA Communications Corporation by the weighted average number of shares of Common Stock outstanding for each respective period. Diluted earnings per share was calculated by dividing net income attributable to SBA Communications Corporation by the weighted average number of shares of Common Stock outstanding adjusted for any dilutive Common Stock equivalents, including unvested RSUs, PSUs, and shares issuable upon exercise of stock options as determined under the “Treasury Stock” method.

The following table sets forth basic and diluted net income per common share attributable to common shareholders for the years ended December 31, 2021, 2020, and 2019 (in thousands, except per share data):

For the year ended December 31,
202120202019
Numerator:
Net income attributable to SBA
Communications Corporation$237,624$24,104$146,991
Denominator:
Basic weighted average shares outstanding109,328111,532112,809
Dilutive impact of stock options, RSUs, and PSUs1,8491,9331,884
Diluted weighted average shares outstanding111,177113,465114,693
Net income per common share attributable to SBA
Communications Corporation:
Basic$2.17$0.22$1.30
Diluted$2.14$0.21$1.28

For the years ended December 31, 2021, 2020, and 2019, the diluted weighted average number of common shares outstanding excluded an immaterial number of shares issuable upon exercise of the Company’s stock options because the impact would be anti-dilutive.

**17.**COMMITMENTS AND CONTINGENCIES

The Company is obligated under various non-cancelable operating leases for land, office space, equipment, and site leases. In addition, the Company is obligated under various non-cancelable financing leases for vehicles. The annual minimum lease payments, including fixed rate escalations as of December 31, 2021 are as follows (in thousands):

Finance LeasesOperating Leases
2022$1,792$244,494
20231,356245,974
2024614246,435
2025216246,246
2026—245,191
Thereafter—2,261,587
Total minimum lease payments3,9783,489,927
Less: amount representing interest(171)(1,273,884)
Present value of future payments3,8072,216,043
Less: current obligations(1,693)(236,804)
Long-term obligations$2,114$1,979,239

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Tenant (Operating) Leases

The annual minimum tower lease income to be received for tower space rental under non-cancelable operating leases, including fixed rate escalations, as of December 31, 2021 is as follows:

(in thousands)
2022$1,851,326
20231,728,749
20241,568,090
20251,299,802
2026966,301
Thereafter2,392,701
Total$9,806,969

Litigation

The Company is involved in various claims, lawsuits and proceedings arising in the ordinary course of business. While there are uncertainties inherent in the ultimate outcome of such matters and it is impossible to presently determine the ultimate costs that may be incurred, management believes the resolution of such uncertainties and the incurrence of such costs will not have a material adverse effect on the Company’s consolidated financial position, results of operations or liquidity.

Contingent Purchase Obligations

From time to time, the Company agrees to pay additional consideration (or earnouts) for acquisitions if the towers or businesses that are acquired meet or exceed certain performance targets in the one year to three years after they have been acquired. Please refer to Note 3.

**18.**CONCENTRATION OF CREDIT RISK

The Company’s credit risks consist primarily of accounts receivable with national, regional, and local wireless service providers and federal and state government agencies. The Company performs periodic credit evaluations of its customers’ financial condition and provides allowances for doubtful accounts, as required, based upon factors surrounding the credit risk of specific customers, historical trends, and other information. The Company generally does not require collateral.

The following is a list of significant customers (representing at least 10% of revenue for any period reported) and the percentage of total revenue for the specified time periods derived from such customers:

For the year ended December 31,
Percentage of Total Revenues202120202019
T-Mobile (1)36.2%34.5%35.1%
AT&T Wireless22.2%24.1%23.8%
Verizon Wireless14.7%14.1%14.0%

(1)Amounts have been adjusted to reflect the merger of T-Mobile and Sprint on April 1, 2020.

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The Company’s site leasing and site development segments derive revenue from these customers. Client percentages of total revenue in each of the segments are as follows:

For the year ended December 31,
Percentage of Domestic Site Leasing Revenue202120202019
T-Mobile (1)40.2%40.5%40.6%
AT&T Wireless30.5%32.2%32.1%
Verizon Wireless19.8%18.5%18.6%
For the year ended December 31,
Percentage of International Site Leasing Revenue202120202019
Oi S.A.28.3%28.7%31.3%
Telefonica16.3%18.1%26.9%
Claro13.7%14.5%11.6%

(1)Amounts have been adjusted to reflect the merger of T-Mobile and Sprint on April 1, 2020.

For the year ended December 31,
Percentage of Site Development Revenue202120202019
T-Mobile (1)78.2%66.8%67.5%

(1)Amounts have been adjusted to reflect the merger of T-Mobile and Sprint on April 1, 2020.

Five customers comprised 65.5% and 63.8% of total gross accounts receivable at December 31, 2021 and December 31, 2020, respectively.

**19.**DEFINED CONTRIBUTION PLAN

The Company has a defined contribution profit sharing plan under Section 401(k) of the Internal Revenue Code that provides for voluntary employee contributions up to the limitations set forth in Section 402(g) of the Internal Revenue Code. Employees have the opportunity to participate following completion of three months of employment and must be 21 years of age. Employer matching begins immediately upon the employee’s participation in the plan.

The Company makes a discretionary matching contribution of 75% of an employee’s contributions up to a maximum of $4,000 annually. Company matching contributions were approximately $2.9 million, $2.7 million and $2.4 million for the years ended December 31, 2021, 2020 and 2019, respectively.

**20.**REDEEMABLE NONCONTROLLING INTERESTS

As a result of its acquisition of additional interests of a previously unconsolidated joint venture in South Africa which operated under the name Atlas Tower South Africa (“Atlas SA”), the Company has consolidated the results of the entity into its financial statements since August 2019. In connection with the acquisition of the additional interest in Atlas SA, the parties agreed to both a put option exercisable by the noncontrolling interest holder and a call option exercisable by the Company for the remaining minority interest based on a formulaic approach. On December 31, 2021, the Company remitted to the seller closing consideration for the remaining interest in the joint venture.

In June 2021, the Company entered into a joint venture agreement with a non-affiliated partner for the purpose of acquiring towers in Tanzania from Airtel Tanzania PLC which closed on January 4, 2022 (see Note 7). Effective June 2021, the Company consolidated the results of the joint venture into its financial statements. The agreement contains both a put option exercisable by the noncontrolling interest holder and a call option exercisable by the Company for the remaining minority interest based on a formulaic approach. As the put option is outside of the Company’s control, the estimated redemption value of the minority interest is presented as a redeemable noncontrolling interest outside of permanent equity on the Consolidated Balance Sheets. As of December 31, 2021, the fair market value of the noncontrolling interest was $17.3 million.

The Company allocates income and losses to the noncontrolling interest holder based on the applicable membership interest percentage. At each reporting period, the redeemable noncontrolling interest is recognized at the greater of (1) the initial carrying amount of the noncontrolling interest as adjusted for accumulated income or loss attributable to the noncontrolling interest holder, or

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(2) the contractually-defined redemption value as of the balance sheet date. Adjustments to the carrying amount of redeemable noncontrolling interest are charged against retained earnings (or additional paid-in capital if there are no retained earnings).

The components of redeemable noncontrolling interests as of December 31, 2021 are as follows (in thousands):

December 31,December 31,
20212020
Beginning balance$15,194$16,052
Net loss attributable to noncontrolling interests—(57)
Foreign currency translation adjustments—(52)
Purchase of noncontrolling interests(18,000)—
Contribution from joint venture partner17,250—
Adjustment to fair value2,806(749)
Ending balance$17,250$15,194

**21.**DERIVATIVES AND HEDGING ACTIVITIES

The Company enters into interest rate swaps to hedge the future interest expense from variable rate debt and reduce the Company’s exposure to fluctuations in interest rates. On August 4, 2020, the Company, through its wholly owned subsidiary, SBA Senior Finance II, terminated its existing $1.95 billion cash flow hedge on a portion of its 2018 Term Loan in exchange for a payment of $176.2 million. On the same date, the Company entered into an interest rate swap for $1.95 billion of notional value accruing interest at one month LIBOR plus 175 basis points for a fixed rate of 1.874% per annum through the maturity date of the 2018 Term Loan. The Company designated this interest rate swap as a cash flow hedge as it is expected to be highly effective at offsetting changes in cash flows of the LIBOR based component interest payments of its 2018 Term Loan. As of December 31, 2021, the hedge remains highly effective; therefore, subsequent changes in the fair value are recorded in Accumulated other comprehensive loss, net. As of December 31, 2021 and December 31, 2020 the interest rate swap has a fair value of $60.3 million and 12.1 million, respectively, and is recorded in Other assets on the Consolidated Balance Sheets.

On August 4, 2020, the Company also terminated its existing interest rate swaps, which were previously de-designated as cash flow hedges. There was no cash transferred in connection with the termination of these swaps. The Company reclassifies the fair value of its interest rate swaps recorded in Accumulated other comprehensive loss, net on their de-designation date to non-cash interest expense on the Consolidated Statements of Operations over their respective remaining term end dates which range from 2023 to 2025.

Accumulated other comprehensive loss, net includes an aggregate of $47.8 million and $140.9 million of accumulated derivative net losses as of December 31, 2021 and December 31, 2020, respectively.

The Company is exposed to counterparty credit risk to the extent that a counterparty fails to meet the terms of a contract. The Company’s exposure is limited to the current value of the contract at the time the counterparty fails to perform.

The cash flows associated with these activities are reported in Net cash provided by operating activities on the Consolidated Statements of Cash Flows with the exception of the termination of interest rate swaps which are recorded in Net cash used in financing activities.

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The table below outlines the effects of the Company’s derivatives on the Consolidated Statements of Operations and Consolidated Statements of Shareholders’ Deficit for the fiscal years ended December 31, 2021, 2020, and 2019.

For the year ended December 31,
202120202019
Cash Flow Hedge - Interest Rate Swap Agreement(in thousands)
Change in fair value recorded in Accumulated other comprehensive loss, net$48,200$(128,086)$16,887
Amount recognized in Non-cash interest expense$—$(6,707)$(878)
Derivatives Not Designated as Hedges - Interest Rate Swap Agreements
Amount recorded in Accumulated other comprehensive loss, net$——(60,462)
Amount reclassified from Accumulated other comprehensive
loss, net into Non-cash interest expense$44,887$29,315$1,444

**22.**QUARTERLY FINANCIAL DATA (unaudited)

Quarter Ended
December 31,September 30,June 30,March 31,
2021202120212021
(in thousands, except per share amounts)
Revenues$595,262$589,305$575,528$548,739
Operating income197,376211,776199,764173,579
Depreciation, accretion, and amortization(169,895)(170,916)(175,469)(183,881)
Net income (loss) attributable to SBA Communications Corporation48,90247,798152,669(11,745)
Net income (loss) per common share - basic$0.45$0.44$1.40$(0.11)
Net income (loss) per common share - diluted0.440.431.37(0.11)
Quarter Ended
December 31,September 30,June 30,March 31,
2020202020202020
(in thousands, except per share amounts)
Revenues$535,905$522,940$507,226$517,067
Operating income165,100160,337157,054151,203
Depreciation, accretion, and amortization(180,383)(180,302)(178,706)(182,579)
Net income attributable to SBA Communications Corporation105,78122,56822,813(127,058)
Net income per common share - basic$0.96$0.20$0.20$(1.14)
Net income per common share - diluted0.940.200.20(1.14)

Because net income (loss) per share amounts are calculated using the weighted average number of common and dilutive common shares outstanding during each quarter, the sum of the per share amounts for the four quarters may not equal the total loss per share amounts for the year.

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