BXP

SEC source: 0001246991-23-000054 · wf-form4_167579985629172.xml · nonDerivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,408

SEC source: 0001246991-23-000052 · wf-form4_167579981772753.xml · derivative · entry 2

Walsh Michael R. · CIK 0001637104 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,801

Underlying: Common Stock, par value $0.01 · 6,624 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F3 · derivative.exercise_date: The 6,624 LTIP Units vest in two equal annual installments beginning on January 15, 2026.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

SEC source: 0001246991-23-000052 · wf-form4_167579981772753.xml · derivative · entry 1

Walsh Michael R. · CIK 0001637104 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,177

Underlying: Common Stock, par value $0.01 · 3,444 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 3,444 LTIP Units vest in four equal annual installments beginning on January 15, 2024.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

SEC source: 0001246991-23-000050 · wf-form4_167579976960662.xml · derivative · entry 1

Stroman John J · CIK 0001862860 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,911

Underlying: Common Stock, par value $0.01 · 5,961 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 5,961 LTIP Units vest in four equal annual installments beginning on January 15, 2024.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

SEC source: 0001246991-23-000049 · wf-form4_167579973930611.xml · derivative · entry 2

Spann Hilary J. · CIK 0001900835 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,694

Underlying: Common Stock, par value $0.01 · 3,975 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 3,975 LTIP Units vest in four equal annual installments beginning on January 15, 2024.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

SEC source: 0001246991-23-000049 · wf-form4_167579973930611.xml · nonDerivative · entry 1

Spann Hilary J. · CIK 0001900835 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,122

SEC source: 0001246991-23-000047 · wf-form4_167579969821077.xml · derivative · entry 1

Otteni Peter V · CIK 0001862920 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,355

Underlying: Common Stock, par value $0.01 · 6,624 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 6,624 LTIP Units vest in four equal annual installments beginning on January 15, 2024.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

SEC source: 0001246991-23-000045 · wf-form4_167579966188880.xml · derivative · entry 1

PESTER ROBERT E · CIK 0001217108 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,619

Underlying: Common Stock, par value $0.01 · 9,273 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 9,273 LTIP Units were fully vested upon issuance as a result of the Reporting Person's attainment of age 65.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

SEC source: 0001246991-23-000044 · wf-form4_167579964343568.xml · derivative · entry 1

RITCHEY RAYMOND A · CIK 0001219153 · Senior EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 199,307

Underlying: Common Stock, par value $0.01 · 29,213 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 29,213 LTIP Units were fully vested upon issuance as a result of the Reporting Person's attainment of age 65.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

SEC source: 0001246991-23-000020 · wf-form4_167399235704631.xml · nonDerivative · entry 1

Spann Hilary J. · CIK 0001900835 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,148

F1 · shares: Shares withheld to satisfy the Reporting Person's tax obligation in connection with the vesting of restricted common stock.

SEC source: 0001246991-23-000019 · wf-form4_167399233624960.xml · nonDerivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,682

F1 · shares: Shares withheld to satisfy the Reporting Person's tax obligation in connection with the vesting of restricted common stock.

SEC source: 0001246991-23-000012 · wf-form4_167277272495724.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,766.15

Underlying: Common Stock, par value $0.01 · 351.44 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 45.42 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on October 31, 2022.

SEC source: 0001246991-23-000016 · wf-form4_167277280641820.xml · derivative · entry 1

LUSTIG MATTHEW J · CIK 0001203367 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,894.89

Underlying: Common Stock, par value $0.01 · 443.92 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 152.31 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on October 31, 2022.

SEC source: 0001246991-23-000015 · wf-form4_167277278201769.xml · derivative · entry 1

TWARDOCK DAVID A · CIK 0001229891 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,673.64

Underlying: Common Stock, par value $0.01 · 480.91 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 428.19 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on October 31, 2022.

SEC source: 0001246991-23-000013 · wf-form4_167277274298799.xml · derivative · entry 1

KIPP MARY E · CIK 0001478538 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,340.92

Underlying: Common Stock, par value $0.01 · 406.93 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 12.42 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on October 31, 2022.

SEC source: 0001246991-23-000014 · wf-form4_167277276228041.xml · derivative · entry 1

Ayotte Kelly · CIK 0001702559 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,993.69

Underlying: Common Stock, par value $0.01 · 499.41 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 59.78 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on October 31, 2022.

SEC source: 0001246991-23-000011 · wf-form4_167277270583233.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,241.06

Underlying: Common Stock, par value $0.01 · 443.92 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 170.21 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on October 31, 2022.

SEC source: 0001246991-23-000010 · wf-form4_167277268479631.xml · derivative · entry 1

DUNCAN BRUCE W · CIK 0001105577 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,055.96

Underlying: Common Stock, par value $0.01 · 406.93 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 61.84 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on October 31, 2022.

SEC source: 0001246991-23-000009 · wf-form4_167277266489882.xml · derivative · entry 1

Einiger Carol B. · CIK 0001289668 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,886.89

Underlying: Common Stock, par value $0.01 · 388.43 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 325.85 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on October 31, 2022.

SEC source: 0001246991-22-000224 · wf-form4_166482580076343.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,369.29

Underlying: Common Stock, par value $0.01 · 316.79 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 32.47 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 29, 2022.

SEC source: 0001246991-22-000231 · wf-form4_166482603075808.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,626.93

Underlying: Common Stock, par value $0.01 · 400.16 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 130.04 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 29, 2022.

SEC source: 0001246991-22-000230 · wf-form4_166482601168563.xml · derivative · entry 1

LUSTIG MATTHEW J · CIK 0001203367 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,298.66

Underlying: Common Stock, par value $0.01 · 400.16 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 115.92 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 29, 2022.

SEC source: 0001246991-22-000229 · wf-form4_166482599080182.xml · derivative · entry 1

TWARDOCK DAVID A · CIK 0001229891 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,764.54

Underlying: Common Stock, par value $0.01 · 433.51 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 333.24 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 29, 2022.

SEC source: 0001246991-22-000228 · wf-form4_166482596950258.xml · derivative · entry 1

Ayotte Kelly · CIK 0001702559 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,434.5

Underlying: Common Stock, par value $0.01 · 450.18 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 42.38 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 29, 2022.

SEC source: 0001246991-22-000227 · wf-form4_166482594884639.xml · derivative · entry 1

KIPP MARY E · CIK 0001478538 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 921.57

Underlying: Common Stock, par value $0.01 · 366.81 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 5.9 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 29, 2022.

SEC source: 0001246991-22-000226 · wf-form4_166482584033247.xml · derivative · entry 1

DUNCAN BRUCE W · CIK 0001105577 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,587.19

Underlying: Common Stock, par value $0.01 · 366.81 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 44.89 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 29, 2022.

SEC source: 0001246991-22-000225 · wf-form4_166482581912756.xml · derivative · entry 1

Einiger Carol B. · CIK 0001289668 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,172.61

Underlying: Common Stock, par value $0.01 · 350.14 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 253.38 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 29, 2022.

SEC source: 0001246991-22-000215 · wf-form4_166265915522693.xml · nonDerivative · entry 1

Spann Hilary J. · CIK 0001900835 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,697

F1 · shares: Shares withheld to satisfy the Reporting Person's tax obligation in connection with the vesting of restricted common stock.

SEC source: 0001246991-22-000213 · wf-form4_166066018572182.xml · derivative · entry 5

RITCHEY RAYMOND A · CIK 0001219153 · Senior EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,805

Underlying: Common Stock, par value $0.01 · 22,472 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for redemption for one share of the Issuer's Common Stock. Common OP Units have no expiration date.

F1 · kind: 22,472 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

F1 · price: 22,472 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

F4 · price: Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for redemption for one share of the Issuer's Common Stock. Common OP Units have no expiration date.

F4 · derivative.exercise_date: Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for redemption for one share of the Issuer's Common Stock. Common OP Units have no expiration date.

F4 · derivative.expiration_date: Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for redemption for one share of the Issuer's Common Stock. Common OP Units have no expiration date.

SEC source: 0001246991-22-000213 · wf-form4_166066018572182.xml · derivative · entry 4

RITCHEY RAYMOND A · CIK 0001219153 · Senior EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,277

Underlying: Common Stock, par value $0.01 · 22,472 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for redemption for one share of the Issuer's Common Stock. Common OP Units have no expiration date.

F1 · kind: 22,472 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

F1 · price: 22,472 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

F4 · price: Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for redemption for one share of the Issuer's Common Stock. Common OP Units have no expiration date.

F4 · derivative.exercise_date: Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for redemption for one share of the Issuer's Common Stock. Common OP Units have no expiration date.

F4 · derivative.expiration_date: Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for redemption for one share of the Issuer's Common Stock. Common OP Units have no expiration date.

SEC source: 0001246991-22-000213 · wf-form4_166066018572182.xml · derivative · entry 3

RITCHEY RAYMOND A · CIK 0001219153 · Senior EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 170,094

Underlying: Common Stock, par value $0.01 · 22,472 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Represents LTIP Units in BPLP issued as long term incentive compensation pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a 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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of the Issuer's common stock. LTIP Units have no expiration date.

F3 · derivative.exercise_price: Represents LTIP Units in BPLP issued as long term incentive compensation pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a 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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of the Issuer's common stock. LTIP Units have no expiration date.

F1 · kind: 22,472 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

F3 · derivative.exercise_date: Represents LTIP Units in BPLP issued as long term incentive compensation pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a 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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of the Issuer's common stock. LTIP Units have no expiration date.

F3 · derivative.expiration_date: Represents LTIP Units in BPLP issued as long term incentive compensation pursuant to the Issuer's equity based incentive programs. 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 BPLP or the holder, into a 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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of the Issuer's common stock. LTIP Units have no expiration date.

SEC source: 0001246991-22-000213 · wf-form4_166066018572182.xml · nonDerivative · entry 2

RITCHEY RAYMOND A · CIK 0001219153 · Senior EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F2 · price: Represents the weighted average sale price. These shares were sold in multiple transactions at sale prices ranging from $89.61 to $90.165, inclusive. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001246991-22-000213 · wf-form4_166066018572182.xml · nonDerivative · entry 1

RITCHEY RAYMOND A · CIK 0001219153 · Senior EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,472

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 22,472 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

F1 · price: 22,472 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

SEC source: 0001246991-22-000202 · wf-form4_165704594417679.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,020.03

Underlying: Common Stock, par value $0.01 · 262.69 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 22.79 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 29, 2022.

SEC source: 0001246991-22-000208 · wf-form4_165704608005297.xml · derivative · entry 1

KIPP MARY E · CIK 0001478538 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 548.86

Underlying: Common Stock, par value $0.01 · 324.4 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 1.86 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 29, 2022.

SEC source: 0001246991-22-000207 · wf-form4_165704605909733.xml · derivative · entry 1

DUNCAN BRUCE W · CIK 0001105577 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,175.49

Underlying: Common Stock, par value $0.01 · 304.83 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 31.99 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 29, 2022.

SEC source: 0001246991-22-000205 · wf-form4_165704600703382.xml · derivative · entry 1

Einiger Carol B. · CIK 0001289668 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,569.09

Underlying: Common Stock, par value $0.01 · 290.78 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 192.38 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 29, 2022.

SEC source: 0001246991-22-000206 · wf-form4_165704603002297.xml · derivative · entry 1

TWARDOCK DAVID A · CIK 0001229891 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,997.79

Underlying: Common Stock, par value $0.01 · 365.08 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 253.16 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 29, 2022.

SEC source: 0001246991-22-000204 · wf-form4_165704598286546.xml · derivative · entry 1

LUSTIG MATTHEW J · CIK 0001203367 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,782.58

Underlying: Common Stock, par value $0.01 · 352.5 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 86.20 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 29, 2022.

SEC source: 0001246991-22-000203 · wf-form4_165704596105709.xml · derivative · entry 1

Ayotte Kelly · CIK 0001702559 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,941.94

Underlying: Common Stock, par value $0.01 · 353.92 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 29.65 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 29, 2022.

SEC source: 0001246991-22-000201 · wf-form4_165704592773876.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,096.73

Underlying: Common Stock, par value $0.01 · 519.11 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Common Stock on a 1-for-1 basis

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. ("BXP") 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of BXP common stock (except that fractional units, if any, will be settled in cash) in a lump sum or in ten annual installments, at the reporting person's election, following the reporting person's retirement from the BXP Board of Directors. In addition, non-employee directors who elect a deferred payout following their retirement may elect to convert not less than 100% of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. This election may only be made after the director's service on the BXP Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 95.68 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 29, 2022.

SEC source: 0001246991-22-000188 · wf-form4_165402944093012.xml · derivative · entry 1

WALTON WILLIAM H III · CIK 0001058795 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,638

Underlying: Common Stock, par value $0.01 · 1,504 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 1,504 LTIP Units will vest on the earlier of (i) May 26, 2023 and (ii) the date of the Issuer's 2023 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

SEC source: 0001246991-22-000186 · wf-form4_165402937784850.xml · nonDerivative · entry 1

TWARDOCK DAVID A · CIK 0001229891 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,399

SEC source: 0001246991-22-000184 · wf-form4_165402931102660.xml · derivative · entry 1

LUSTIG MATTHEW J · CIK 0001203367 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,706

Underlying: Common Stock, par value $0.01 · 1,504 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 1,504 LTIP Units will vest on the earlier of (i) May 26, 2023 and (ii) the date of the Issuer's 2023 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

SEC source: 0001246991-22-000182 · wf-form4_165402923876755.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,848

Underlying: Common Stock, par value $0.01 · 1,504 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 1,504 LTIP Units will vest on the earlier of (i) May 26, 2023 and (ii) the date of the Issuer's 2023 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

SEC source: 0001246991-22-000181 · wf-form4_165402920184976.xml · derivative · entry 1

KIPP MARY E · CIK 0001478538 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,504

Underlying: Common Stock, par value $0.01 · 1,504 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 1,504 LTIP Units will vest on the earlier of (i) May 26, 2023 and (ii) the date of the Issuer's 2023 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

SEC source: 0001246991-22-000179 · wf-form4_165402912488975.xml · nonDerivative · entry 1

Hoskins Diane J · CIK 0001522588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,938

SEC source: 0001246991-22-000177 · wf-form4_165402904584566.xml · derivative · entry 1

Einiger Carol B. · CIK 0001289668 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,758

Underlying: Common Stock, par value $0.01 · 1,504 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 1,504 LTIP Units will vest on the earlier of (i) May 26, 2023 and (ii) the date of the Issuer's 2023 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

SEC source: 0001246991-22-000176 · wf-form4_165402900575278.xml · derivative · entry 1

DUNCAN BRUCE W · CIK 0001105577 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,748

Underlying: Common Stock, par value $0.01 · 1,504 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 1,504 LTIP Units will vest on the earlier of (i) May 26, 2023 and (ii) the date of the Issuer's 2023 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

SEC source: 0001246991-22-000173 · wf-form4_165402891938392.xml · derivative · entry 1

Ayotte Kelly · CIK 0001702559 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,685

Underlying: Common Stock, par value $0.01 · 1,504 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 1,504 LTIP Units will vest on the earlier of (i) May 26, 2023 and (ii) the date of the Issuer's 2023 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued pursuant to the Issuer's 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 BPLP or the holder, into a common unit of limited partnership interest in BPLP ("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 the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of common stock. LTIP Units have no expiration date.