Item 1A. Risk Factors.

Except to the extent factual information disclosed elsewhere in this Quarterly Report on Form 10-Q relates to such risk factors (including, without limitation, the matters discussed in Part I, “Item 2—Management’s Discussion and Analysis of Financial Condition and Results of Operations”), there were no material changes to the risk factors disclosed in Part I, “Item 1A. Risk Factors” of our Annual Report on Form 10-K for the year ended December 31, 2022.

ITEM 2—Unregistered Sales of Equity Securities and Use of Proceeds

Boston Properties, Inc.

(a)None.

(b)Not Applicable.

(c)Issuer Purchases of Equity Securities. None.

Boston Properties Limited Partnership

(a)Each time BXP issues shares of common stock (other than in exchange for common units when such common units are presented for redemption), it contributes the proceeds of such issuance to BPLP in return for an equivalent number of partnership units with rights and preferences analogous to the shares issued. During the three months ended June 30, 2023, in connection with issuances of common stock by BXP pursuant to issuances of restricted common stock to non-employee directors and the settlement of deferred stock awards under the Boston Properties, Inc. 2021 Stock Incentive Plan, BPLP issued an aggregate of 7,449 common units to BXP in exchange for approximately $67.80, the aggregate proceeds of such common stock issuances to BXP. Such units were issued in reliance on an exemption from registration under Section 4(a)(2) of the Securities Act of 1933, as amended.

(b)Not Applicable.

(c)Issuer Purchases of Equity Securities.

(1)Represents LTIP units that were repurchased in connection with the termination of an employee’s employment with BXP. Under the terms of the applicable LTIP unit vesting agreement, the LTIP units were repurchased at a price of $0.25 per unit, which was the amount originally paid by such employee for such units.

(2)Represents LTIP units and 2020-2022 MYLTIP units that were repurchased in connection with the termination of an employee’s employment with BXP. Under the terms of the applicable LTIP unit vesting agreements and MYLTIP award agreements, the LTIP units and MYLTIP units were repurchased at a price of $0.25 per unit, which was the amount originally paid by such employee for such units.

ITEM 3—Defaults Upon Senior Securities.

None.

ITEM 4—Mine Safety Disclosures.

None.