Tony West - 28 May 2025 Form 4 Insider Report for BOSTON PROPERTIES LTD PARTNERSHIP

Role: Director
Signature: /s/ Kelli A. DiLuglio, as Attorney-in-Fact
Issuer symbol: N/A
Transactions as of: 28 May 2025
Net transactions value: +$304
Form type: 4
Filing time: 29 May 2025, 12:32:00 UTC
Previous filing: 20 May 2025
Next filing: 18 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
West Tony	Director	800 BOYLSTON STREET, SUITE 1900, BOSTON	/s/ Kelli A. DiLuglio, as Attorney-in-Fact	29 May 2025	0001626201

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction		LTIP Units	Award	$304	+1,217	+86%	$0.2500	2,634	28 May 2025	Common OP Units	1,217		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.
F2	The 1,217 LTIP Units will vest on the earlier of (i) May 28, 2026 and (ii) the date of BXP's 2026 annual meeting of stockholders.

Content

Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

The 1,217 LTIP Units will vest on the earlier of (i) May 28, 2026 and (ii) the date of BXP's 2026 annual meeting of stockholders.