Item 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES




	Page No.
(a)(1) Financial Statements
Ameren
Report of Independent Registered Public Accounting Firm	72
Consolidated Statement of Income and Comprehensive Income – Years Ended December 31, 2018, 2017, and 2016	76
Consolidated Balance Sheet – December 31, 2018 and 2017	77
Consolidated Statement of Cash Flows – Years Ended December 31, 2018, 2017, and 2016	78
Consolidated Statement of Shareholders’ Equity – Years Ended December 31, 2018, 2017, and 2016	79
Ameren Missouri
Report of Independent Registered Public Accounting Firm	74
Statement of Income – Years Ended December 31, 2018, 2017, and 2016	80
Balance Sheet – December 31, 2018 and 2017	81
Statement of Cash Flows – Years Ended December 31, 2018, 2017, and 2016	82
Statement of Shareholders’ Equity – Years Ended December 31, 2018, 2017, and 2016	83
Ameren Illinois
Report of Independent Registered Public Accounting Firm	75
Statement of Income and Comprehensive Income – Years Ended December 31, 2018, 2017, and 2016	84
Balance Sheet – December 31, 2018 and 2017	85
Statement of Cash Flows – Years Ended December 31, 2018, 2017, and 2016	86
Statement of Shareholders’ Equity – Years Ended December 31, 2018, 2017, and 2016	87

(a)(2) Financial Statement Schedules
Schedule I
Condensed Financial Information of Parent – Ameren:
Condensed Statement of Income and Comprehensive Income – Years Ended December 31, 2018, 2017, and 2016	152
Condensed Balance Sheet – December 31, 2018 and 2017	153
Condensed Statement of Cash Flows – Years Ended December 31, 2018, 2017, and 2016	154
Schedule II
Ameren
Valuation and Qualifying Accounts for the years ended December 31, 2018, 2017, and 2016	156
Ameren Missouri
Valuation and Qualifying Accounts for the years ended December 31, 2018, 2017, and 2016	156
Ameren Illinois
Valuation and Qualifying Accounts for the years ended December 31, 2018, 2017, and 2016	156

Schedule I and II should be read in conjunction with the aforementioned financial statements. Certain schedules have been omitted because they are not applicable or because the required data is shown in the aforementioned financial statements.




(a)(3)	Exhibits – reference is made to the Exhibit Index	157
(b)	Exhibit Index	157



SCHEDULE I – CONDENSED FINANCIAL INFORMATION OF PARENT AMEREN CORPORATION CONDENSED STATEMENT OF INCOME AND COMPREHENSIVE INCOME For the Years Ended December 31, 2018, 2017, and 2016
(In millions)	2018			2017			2016
Operating revenues	$	—		$	—		$	—
Operating expenses	11			15			19
Operating loss	(11		)	(15		)	(19		)
Equity in earnings of subsidiaries	857			659			663
Interest income from affiliates	3			9			10
Total other income (expense), net	(12		)	2			—
Interest charges	34			31			28
Income tax (benefit)	(12		)	101			(27		)
Net Income Attributable to Ameren Common Shareholders	$	815		$	523		$	653

Net Income Attributable to Ameren Common Shareholders	$	815		$	523		$	653
Other Comprehensive Income (Loss), Net of Taxes:
Pension and other postretirement benefit plan activity, net of income taxes (benefit) of $(1), $3, and $(7), respectively	(4		)	5			(20		)
Comprehensive Income Attributable to Ameren Common Shareholders	$	811		$	528		$	633



SCHEDULE I – CONDENSED FINANCIAL INFORMATION OF PARENT AMEREN CORPORATION CONDENSED BALANCE SHEET
(In millions)	December 31, 2018			December 31, 2017
Assets:
Cash and cash equivalents	$	—		$	—
Advances to money pool	76			13
Accounts receivable – affiliates	43			46
Other current assets	4			8
Total current assets	123			67
Investments in subsidiaries	8,559			7,944
Note receivable – ATXI	75			75
Accumulated deferred income taxes, net	108			222
Other assets	126			140
Total assets	$	8,991		$	8,448
Liabilities and Shareholders’ Equity:
Short-term debt	$	470		$	383
Borrowings from money pool	46			28
Accounts payable – affiliates	10			6
Other current liabilities	12			27
Total current liabilities	538			444
Long-term debt	697			696
Pension and other postretirement benefits	43			37
Other deferred credits and liabilities	82			87
Total liabilities	1,360			1,264
Commitments and Contingencies (Note 5)
Shareholders’ Equity:
Common stock, $.01 par value, 400.0 shares authorized – shares outstanding of 244.5 and 242.6, respectively	2			2
Other paid-in capital, principally premium on common stock	5,627			5,540
Retained earnings	2,024			1,660
Accumulated other comprehensive loss	(22		)	(18		)
Total shareholders’ equity	7,631			7,184
Total liabilities and shareholders’ equity	$	8,991		$	8,448



SCHEDULE I – CONDENSED FINANCIAL INFORMATION OF PARENT AMEREN CORPORATION CONDENSED STATEMENT OF CASH FLOWS For the Years Ended December 31, 2018, 2017, and 2016
(In millions)	2018			2017			2016
Net cash flows provided by operating activities	$	550		$	454		$	483
Cash flows from investing activities:
Money pool advances, net	(63		)	14			(27		)
Notes receivable – ATXI, net	—			275			(60		)
Investments in subsidiaries	(208		)	(151		)	(123		)
Other	5			6			2
Net cash flows provided by (used in) investing activities	(266		)	144			(208		)
Cash flows from financing activities:
Dividends on common stock	(451		)	(431		)	(416		)
Short-term debt, net	87			(124		)	206
Money pool borrowings, net	18			(5		)	19
Issuances of common stock	74			—			—
Repurchases of common stock for stock-based compensation	—			(24		)	(51		)
Employee payroll taxes related to stock-based compensation	(19		)	(15		)	(32		)
Net cash flows used in financing activities	(291		)	(599		)	(274		)
Net change in cash, cash equivalents, and restricted cash	$	(7	)	$	(1	)	$	1
Cash, cash equivalents, and restricted cash at beginning of year	8			9			8
Cash, cash equivalents, and restricted cash at end of year	$	1		$	8		$	9

Cash dividends received from consolidated subsidiaries	$	450		$	362		$	465

Noncash financing activity – Issuance of common stock for stock-based compensation	$	35		$	—		$	—

AMEREN CORPORATION (parent company only)

NOTES TO CONDENSED FINANCIAL STATEMENTS

December 31, 2018

NOTE 1 – BASIS OF PRESENTATION

Ameren Corporation (parent company only) is a public utility holding company that conducts substantially all of its business operations through its subsidiaries. Ameren Corporation (parent company only) has accounted for its subsidiaries using the equity method. These financial statements are presented on a condensed basis.

See Note 1 – Summary of Significant Accounting Policies under Part II, Item 8, of this report for additional information. See Note 13 – Related-party Transactions under Part II, Item 8, of this report for information on the tax allocation agreement between Ameren Corporation (parent company only) and its subsidiaries.

NOTE 2 – CASH AND CASH EQUIVALENTS

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the balance sheet as of December 31, 2018 and 2017:



	2018		2017
Cash and cash equivalents	$	—	$	—
Restricted cash included in “Other current assets”	1		8
Total cash, cash equivalents, and restricted cash	$	1	$	8

See Note 1 – Summary of Significant Accounting Policies under Part II, Item 8, of this report for additional information.

NOTE 3 – SHORT-TERM DEBT AND LIQUIDITY

Ameren, Ameren Services, and other non-state-regulated Ameren subsidiaries have the ability, subject to Ameren parent company and applicable regulatory short-term borrowing authorizations, to access funding from the Credit Agreements and the commercial paper programs through a non-state-regulated subsidiary money pool agreement. All participants may borrow from or lend to the non-state-regulated money

pool. The total amount available to pool participants from the non-state-regulated subsidiary money pool at any given time is reduced by the amount of borrowings made by participants, but is increased to the extent that the pool participants advance surplus funds to the non-state-regulated subsidiary money pool or remit funds from other external sources. The non-state-regulated subsidiary money pool was established to coordinate and to provide short-term cash and working capital for the participants. Participants receiving a loan under the non-state-regulated subsidiary money pool agreement must repay the principal amount of such loan, together with accrued interest. The rate of interest depends on the composition of internal and external funds in the non-state-regulated subsidiary money pool. Interest revenues and interest charges related to non-state-regulated money pool advances and borrowings were immaterial in 2016, 2017, and 2018.

Ameren Corporation (parent company only) had a total of $11 million in guarantees outstanding, primarily for ATXI, that were not recorded on its December 31, 2018 balance sheet. The ATXI guarantees were issued to local governments as assurance for potential remediation of damage caused by ATXI construction.

See Note 4 – Short-term Debt and Liquidity under Part II, Item 8, of this report for a description and details of short-term debt and liquidity needs of Ameren Corporation (parent company only).

NOTE 4 – LONG-TERM OBLIGATIONS

See Note 5 – Long-term Debt and Equity Financings under Part II, Item 8, of this report for additional information on Ameren Corporation’s (parent company only) long-term debt, indenture provisions, and restricted cash balance.

NOTE 5 – COMMITMENTS AND CONTINGENCIES

See Note 14 – Commitments and Contingencies under Part II, Item 8, of this report for a description of all material contingencies of Ameren Corporation (parent company only).

NOTE 6 – OTHER INCOME (EXPENSE), NET

The following table presents the components of “Other Income (Expense), Net” in the Condensed Statement of Income and Comprehensive Income for the years ended December 31, 2018, 2017, and 2016:



	2018			2017		2016
Other Income (Expense), Net
Non-service cost components of net periodic benefit income	$	2		$	2	$	5
Donations	(13		)	—		(5		)
Other expense, net	(1		)	—		—
Total Other Income (Expense), Net	$	(12	)	$	2	$	—

Based on authoritative accounting guidance described in Note 10 - Retirement Benefits under Part II, Item 8, of this report, Ameren Corporation (parent company only) has retrospectively reclassified $2 million and $5 million of net benefit income from “Operating Expenses” to “Other Income (Expense), Net” in the Condensed Statement of Income and Comprehensive Income for the years ended December 31, 2017, and December 31, 2016, respectively.

NOTE 7 – INCOME TAXES

During the year ended December 31, 2017, Ameren (parent) recorded $110 million in income tax expense and reduction in accumulated deferred income taxes as a result of the TCJA. During the year ended December 31, 2018, Ameren (parent) updated its provisional estimate and recorded $5 million of income tax expense and reduction in accumulated deferred income taxes, primarily due to the application of proposed IRS regulations on depreciation transition rules.



SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS FOR THE YEARS ENDED DECEMBER 31, 2018, 2017, AND 2016
(in millions)
Column A	Column B		Column C							Column D		Column E
Description	Balance at Beginning of Period		(1) Charged to Costs and Expenses				(2) Charged to Other Accounts(a)			Deductions(b)		Balance at End of Period
Ameren:
Deducted from assets – allowance for doubtful accounts:
2018	$	19	$	27			$	4		$	32	$	18
2017	19		26				7			33		19
2016	19		32				3			35		19
Deferred tax valuation allowance:
2018	$	5	$	—			$	—		$	—	$	5
2017	11		(6		)	(c)	—			—		5
2016	6		7				(2		)	—		11
Ameren Missouri:
Deducted from assets – allowance for doubtful accounts:
2018	$	7	$	9			$	—		$	9	$	7
2017	7		9				—			9		7
2016	7		10				—			10		7
Ameren Illinois:
Deducted from assets – allowance for doubtful accounts:
2018	$	12	$	18			$	4		$	23	$	11
2017	12		17				7			24		12
2016	12		22				3			25		12


(a)	Amounts associated with the allowance for doubtful accounts relate to the uncollectible account reserve associated with receivables purchased by Ameren Illinois from alternative retail electric suppliers, as required by the Illinois Public Utilities Act. The amounts relating to the deferred tax valuation allowance are for items that have expired and were removed from both the underlying accumulated deferred income tax account as well as the offsetting valuation account.

(a)

Amounts associated with the allowance for doubtful accounts relate to the uncollectible account reserve associated with receivables purchased by Ameren Illinois from alternative retail electric suppliers, as required by the Illinois Public Utilities Act. The amounts relating to the deferred tax valuation allowance are for items that have expired and were removed from both the underlying accumulated deferred income tax account as well as the offsetting valuation account.


(b)	Uncollectible accounts charged off, less recoveries.


(c)	Includes an adjustment of $3 million to Ameren (parent)’s valuation allowance for certain deferred tax assets existing at December 31, 2017, for the reduction in the income tax rate.

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