KLEIN JOEL

SEC source: 0001166832-26-000012 · wk-form4_1790870848.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,088.27

Underlying: Common Stock, par value $0.01 · 552.28 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 242.52 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 31, 2026.

SEC source: 0001166832-26-000010 · wk-form4_1782917971.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,293.47

Underlying: Common Stock, par value $0.01 · 496.41 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 281.57 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 30, 2026.

SEC source: 0001166832-26-000008 · wk-form4_1780409646.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,839

Underlying: Common OP Units · 3,332 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 3,332 LTIP Units will vest on the earlier of (i) May 29, 2027 and (ii) the date of BXP's 2027 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

SEC source: 0001166832-26-000007 · wk-form4_1780409623.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,839

Underlying: Common Stock, par value $0.01 · 3,332 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 3,332 LTIP Units will vest on the earlier of (i) May 29, 2027 and (ii) the date of the BXP's 2027 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: 0001166832-26-000004 · wk-form4_1775063499.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,515.49

Underlying: Common Stock, par value $0.01 · 650.29 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to reallocate all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to reallocate all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 243.58 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 29, 2026.

SEC source: 0001166832-26-000002 · wk-form4_1767644911.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,621.62

Underlying: Common Stock, par value $0.01 · 500.15 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to reallocate all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to reallocate all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 215.40 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the reporting person on October 31, 2025.

SEC source: 0001166832-25-000005 · wk-form4_1759348806.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,906.07

Underlying: Common Stock, par value $0.01 · 454 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 316.56 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 31, 2025.

SEC source: 0001246991-25-000186 · wk-form4_1751386778.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,135.51

Underlying: Common Stock, par value $0.01 · 542.1 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 311.88 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 30, 2025.

SEC source: 0001246991-25-000170 · wk-form4_1748536385.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,507

Underlying: Common OP Units · 2,434 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 2,434 LTIP Units will vest on the earlier of (i) May 28, 2026 and (ii) the date of BXP's 2026 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in the Issuer issued pursuant to BXP, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

SEC source: 0001246991-25-000162 · wk-form4_1748536304.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,507

Underlying: Common Stock, par value $0.01 · 2,434 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 2,434 LTIP Units will vest on the earlier of (i) May 28, 2026 and (ii) the date of the BXP's 2026 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: 0001246991-25-000132 · wk-form4_1743536207.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,281.53

Underlying: Common Stock, par value $0.01 · 595.33 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 262.91 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 30, 2025.

SEC source: 0001246991-25-000010 · wk-form4_1735838898.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,423.29

Underlying: Common Stock, par value $0.01 · 537.92 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to convert all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 226.98 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the reporting person on October 31, 2024.

SEC source: 0001246991-24-000312 · wk-form4_1727798047.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,658.39

Underlying: Common Stock, par value $0.01 · 497.14 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the BXP, Inc. ("BXP") 2021 Stock Incentive 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 make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the BXP, Inc. ("BXP") 2021 Stock Incentive 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 make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 246.20 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 31, 2024.

SEC source: 0001246991-24-000285 · wk-form4_1719862702.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,915.05

Underlying: Common Stock, par value $0.01 · 581.36 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to BXP, Inc. ("BXP") common stock on a 1-for-1 basis.

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to change all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under BXP's 2021 Stock Incentive 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 make one or more elections to change all or a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 270.19 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 30, 2024.

SEC source: 0001246991-24-000254 · wk-form4_1717176263.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,073

Underlying: Common OP Units · 2,835 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 2,835 LTIP Units will vest on the earlier of (i) May 30, 2025 and (ii) the date of BXP's 2025 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

SEC source: 0001246991-24-000260 · wk-form4_1717176349.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,073

Underlying: Common Stock, par value $0.01 · 2,835 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 2,835 LTIP Units will vest on the earlier of (i) May 30, 2025 and (ii) the date of the BXP's 2025 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: 0001246991-24-000221 · wk-form4_1711999457.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,063.5

Underlying: Common Stock, par value $0.01 · 516.77 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Boston Properties, Inc. 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 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 make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in 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 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 make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 228.46 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 30, 2024.

SEC source: 0001246991-24-000009 · wk-form4_1704224923.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,318.27

Underlying: Common Stock, par value $0.01 · 480.97 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Boston Properties, Inc. 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 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 make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in 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 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 make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 284.52 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the reporting person on October 31, 2023.

SEC source: 0001246991-23-000250 · wf-form4_169627735959873.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,552.78

Underlying: Common Stock, par value $0.01 · 569.7 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Boston Properties, Inc. 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 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 make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in 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 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 make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 217.18 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 31, 2023.

SEC source: 0001246991-23-000218 · wf-form4_168856879370771.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,765.9

Underlying: Common Stock, par value $0.01 · 534.11 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units convert to Boston Properties, Inc. 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 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 make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in 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 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 make one or more elections to convert a portion (but only in 25% increments) of their notional investment from BXP common stock to a deemed investment in one or more measurement funds. These elections may only be made after the director's service on the BXP Board of Directors ends. Amounts notionally invested in measurement funds will be settled in cash instead of BXP common stock.

F3 · balance_after: Includes 256.66 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the reporting person on April 28, 2023.

SEC source: 0001246991-23-000186 · wf-form4_168571367737366.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,238

Underlying: Common OP Units · 3,390 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 3,390 LTIP Units will vest on the earlier of (i) May 31, 2024 and (ii) the date of BXP's 2024 annual meeting of stockholders.

F1 · derivative.expiration_date: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

SEC source: 0001246991-23-000199 · wf-form4_168571387529446.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,238

Underlying: Common Stock, par value $0.01 · 3,390 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 3,390 LTIP Units will vest on the earlier of (i) May 31, 2024 and (ii) the date of BXP's 2024 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: 0001246991-23-000154 · wf-form4_168055519713992.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,975.13

Underlying: Common Stock, par value $0.01 · 554.32 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 179.75 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 30, 2023.

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: 0001246991-22-000231 · 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: 0001246991-22-000201 · 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: 0001246991-22-000183 · wf-form4_165402928487297.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,848

Underlying: Common OP Units · 1,504 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

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

F1 · derivative.expiration_date: Represents units of limited partnership interest in the Issuer issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, equity based incentive programs ("LTIP Units"). Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the Issuer or the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of BXP's common stock, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

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: 0001246991-22-000153 · wf-form4_164882651792070.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,481.94

Underlying: Common Stock, par value $0.01 · 359.08 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. 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 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 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 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F3 · balance_after: Includes 95.38 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 28, 2022.

SEC source: 0001246991-22-000015 · wf-form4_164130887847586.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,027.48

Underlying: Common Stock, par value $0.01 · 401.55 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. 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 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 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 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F3 · balance_after: Includes 90.85 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on October 29, 2021.

SEC source: 0001246991-21-000242 · wf-form4_163337026769757.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,535.08

Underlying: Common Stock, par value $0.01 · 426.86 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. 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of directorcash compensation fees. The Phantom Stock Units are to be settled in shares of 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2021 Stock Incentive Plan (the "2021 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of directorcash compensation fees. The Phantom Stock Units are to be settled in shares of 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F3 · balance_after: Includes 83.69 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 30, 2021.

SEC source: 0001562180-21-005496 · primarydocument.xml · derivative · entry 2

KLEIN JOEL · CIK 0001166832 · Chief Policy & Strat. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 17 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F2 · derivative.exercise_date: On March 5, 2021, the reporting person received a grant of 17 RSUs, all of which vested on August 18, 2021.

F2 · derivative.expiration_date: On March 5, 2021, the reporting person received a grant of 17 RSUs, all of which vested on August 18, 2021.

SEC source: 0001562180-21-005496 · primarydocument.xml · nonDerivative · entry 1

KLEIN JOEL · CIK 0001166832 · Chief Policy & Strat. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17

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 · price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

SEC source: 0001246991-21-000220 · wf-form4_162517136925634.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,024.53

Underlying: Common Stock, par value $0.01 · 400.81 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. 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 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 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 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F3 · balance_after: Includes 85.48 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 30, 2021.

SEC source: 0001246991-21-000194 · wf-form4_162258273420808.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,344

Underlying: Common OP Units · 1,285 shares

Expires not disclosed

F1 · security: Issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, 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 the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of common stock of BXP, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, 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 the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of common stock of BXP, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, 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 the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of common stock of BXP, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 1,285 LTIP Units will vest on the earlier of (i) May 27, 2022 and (ii) the date of Boston Properties, Inc.'s 2022 annual meeting of stockholders.

F1 · derivative.expiration_date: Issued pursuant to Boston Properties, Inc.'s ("BXP"), the Issuer's general partner, 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 the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of common stock of BXP, except that BXP may, at its election, acquire each Common OP Unit so presented for one share of BXP's common stock. LTIP Units have no expiration date.

SEC source: 0001246991-21-000188 · wf-form4_162258257353382.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,344

Underlying: Common Stock, par value $0.01 · 1,285 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. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the 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. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the 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. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the 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 1,285 LTIP Units will vest on the earlier of (i) May 27, 2022 and (ii) the date of the Issuer's 2022 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. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the 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: 0001246991-21-000149 · wf-form4_161739478240947.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,538.24

Underlying: Common Stock, par value $0.01 · 456.75 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. 2012 Stock Option and Incentive Plan (the "2012 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 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 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 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F3 · balance_after: Includes 95.80 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 28, 2021.

SEC source: 0000899243-21-010170 · doc4.xml · derivative · entry 2

KLEIN JOEL · CIK 0001166832 · Chief Policy & Strat. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17

Underlying: Class A Common Stock · 17 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F2 · derivative.exercise_date: The restricted stock units vest upon the earlier of (i) 180 days after the IPO date, or (ii) the second day following the expiration of the underwriter-mandated lock-up period associated with the Issuer's initial public offering.

F2 · derivative.expiration_date: The restricted stock units vest upon the earlier of (i) 180 days after the IPO date, or (ii) the second day following the expiration of the underwriter-mandated lock-up period associated with the Issuer's initial public offering.

SEC source: 0000899243-21-010170 · doc4.xml · nonDerivative · entry 1

KLEIN JOEL · CIK 0001166832 · Chief Policy & Strat. Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0001246991-21-000011 · wf-form4_160987780789462.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,985.69

Underlying: Common Stock, par value $0.01 · 489.26 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. 2012 Stock Option and Incentive Plan (the "2012 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 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 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 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F3 · balance_after: Includes 113.46 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on October 30, 2020.

SEC source: 0001567619-20-017853 · doc1.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,598

Underlying: Class A Common Stock · 359 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents the equivalent of one share of News Corporation's Class A Common Stock.

F2 · shares: Represents dividend equivalents accrued with respect to deferred stock units previously granted.

F3 · derivative.exercise_date: The deferred stock units representing dividend equivalents become payable in cash upon vesting of the underlying deferred stock units.

F3 · derivative.expiration_date: The deferred stock units representing dividend equivalents become payable in cash upon vesting of the underlying deferred stock units.

F4 · balance_after: Represents the aggregate number of deferred stock units held by the Reporting Person, including deferred stock units accrued as a result of dividend equivalents that vest on the same terms as the respective underlying deferred stock units. The reported deferred stock units become payable in cash on the earlier of (i) the first trading day of the quarter five years following the respective grant and (ii) the Reporting Person's end of service as a Director.

SEC source: 0001567619-20-017441 · doc1.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,239

Underlying: Class A Common Stock · 2,909 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents the equivalent of one share of News Corporation's Class A Common Stock.

F2 · derivative.exercise_date: The deferred stock units become payable in cash on the earlier of (i) the first trading day of the quarter five years following the grant and (ii) the Reporting Person's end of service as a Director.

F2 · derivative.expiration_date: The deferred stock units become payable in cash on the earlier of (i) the first trading day of the quarter five years following the grant and (ii) the Reporting Person's end of service as a Director.

F3 · balance_after: Represents the aggregate number of deferred stock units held by the Reporting Person, including deferred stock units accrued as a result of dividend equivalents that vest on the same terms as the respective underlying deferred stock units. The reported deferred stock units become payable in cash on the earlier of (i) the first trading day of the quarter five years following the respective grant and (ii) the Reporting Person's end of service as a Director.

SEC source: 0001246991-20-000215 · wf-form4_160164770361686.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,382.97

Underlying: Common Stock, par value $0.01 · 575.97 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. 2012 Stock Option and Incentive Plan (the "2012 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 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 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 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F3 · balance_after: Includes 84.94 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person when and as dividends were paid on the Issuer's Common Stock.

SEC source: 0001567619-20-012840 · doc1.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,330

Underlying: Class A Common Stock · 3,414 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents the equivalent of one share of News Corporation's Class A Common Stock.

F2 · derivative.exercise_date: The deferred stock units become payable in cash on the earlier of (i) the first trading day of the quarter five years following the grant and (ii) the Reporting Person's end of service as a Director.

F2 · derivative.expiration_date: The deferred stock units become payable in cash on the earlier of (i) the first trading day of the quarter five years following the grant and (ii) the Reporting Person's end of service as a Director.

F3 · balance_after: Represents the aggregate number of deferred stock units held by the Reporting Person, including deferred stock units accrued as a result of dividend equivalents that vest on the same terms as the respective underlying deferred stock units. The reported deferred stock units become payable in cash on the earlier of (i) the first trading day of the quarter five years following the respective grant and (ii) the Reporting Person's end of service as a Director.

SEC source: 0001246991-20-000201 · wf-form4_159360933083119.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,722.06

Underlying: Common Stock, par value $0.01 · 507 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. 2012 Stock Option and Incentive Plan (the "2012 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 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 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 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F3 · balance_after: Includes 72.03 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person since the Reporting Person's last report when and as dividends were paid on the Issuer's Common Stock.

SEC source: 0001246991-20-000185 · wf-form4_159103651058361.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,059

Underlying: Common OP Units · 1,709 shares

Expires not disclosed

F1 · security: Issued purusant to Boston Properties, Inc.'s ("BPI"), the Issuer's general partner, 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 the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of Common Stock of BPI, except that BPI may, at its election, acquire each Common OP Unit so presented for one share of BPI's Common Stock. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Issued purusant to Boston Properties, Inc.'s ("BPI"), the Issuer's general partner, 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 the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of Common Stock of BPI, except that BPI may, at its election, acquire each Common OP Unit so presented for one share of BPI's Common Stock. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Issued purusant to Boston Properties, Inc.'s ("BPI"), the Issuer's general partner, 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 the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of Common Stock of BPI, except that BPI may, at its election, acquire each Common OP Unit so presented for one share of BPI's Common Stock. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 1,709 LTIP Units will vest on the earlier of (i) May 28, 2021 and (ii) the date of the Boston Properties, Inc.'s 2021 annual meeting of stockholders.

F1 · derivative.expiration_date: Issued purusant to Boston Properties, Inc.'s ("BPI"), the Issuer's general partner, 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 the holder, into a common unit of limited partnership interest in the Issuer ("Common OP Unit"). Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of Common Stock of BPI, except that BPI may, at its election, acquire each Common OP Unit so presented for one share of BPI's Common Stock. LTIP Units have no expiration date.

SEC source: 0001246991-20-000179 · wf-form4_159103636963723.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,059

Underlying: Common Stock, par value $0.01 · 1,709 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. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the 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. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the 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. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the 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 1,709 LTIP Units will vest on the earlier of (i) May 28, 2021 and (ii) the date of the Issuer's 2021 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. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the 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: 0001567619-20-008105 · doc1.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,916

Underlying: Class A Common Stock · 462 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents the equivalent of one share of News Corporation's Class A Common Stock.

F2 · shares: Represents dividend equivalents accrued with respect to deferred stock units previously granted.

F3 · derivative.exercise_date: The deferred stock units representing dividend equivalents become payable in cash upon vesting of the underlying deferred stock units.

F3 · derivative.expiration_date: The deferred stock units representing dividend equivalents become payable in cash upon vesting of the underlying deferred stock units.

F4 · balance_after: Represents the aggregate number of deferred stock units held by the Reporting Person, including deferred stock units accrued as a result of dividend equivalents that vest on the same terms as the respective underlying deferred stock units. The reported deferred stock units become payable in cash on the earlier of (i) the first trading day of the quarter five years following the respective grant and (ii) the Reporting Person's end of service as a Director.

SEC source: 0001567619-20-007416 · doc1.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,454

Underlying: Class A Common Stock · 4,774 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents the equivalent of one share of News Corporation's Class A Common Stock.

F2 · derivative.exercise_date: The deferred stock units become payable in cash on the earlier of (i) the first trading day of the quarter five years following the grant and (ii) the Reporting Person's end of service as a Director.

F2 · derivative.expiration_date: The deferred stock units become payable in cash on the earlier of (i) the first trading day of the quarter five years following the grant and (ii) the Reporting Person's end of service as a Director.

F3 · balance_after: Represents the aggregate number of deferred stock units held by the Reporting Person, including deferred stock units accrued as a result of dividend equivalents that vest on the same terms as the respective underlying deferred stock units. The reported deferred stock units become payable in cash on the earlier of (i) the first trading day of the quarter five years following the respective grant and (ii) the Reporting Person's end of service as a Director.

SEC source: 0001246991-20-000150 · wf-form4_158583855321219.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,143.03

Underlying: Common Stock, par value $0.01 · 501.46 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. 2012 Stock Option and Incentive Plan (the "2012 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 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 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 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 Boston Properties, Inc. 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 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 Board of Directors ends. A director's account that has been converted to measurement funds will be settled in cash instead of Common Stock.

F3 · balance_after: Includes 45.02 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person when and as dividends were paid on the Issuer's Common Stock.