BXP · BXP, Inc. · Insider Trading

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

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.

Includes 84.34 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 31, 2026.

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

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.

Includes 214.79 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 31, 2026.

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

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.

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

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

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.

Includes 17.45 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 31, 2026.

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

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.

Includes 47.90 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 31, 2026.

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

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.

Includes 139.24 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 31, 2026.

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

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.

Includes 101.33 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on July 31, 2026.

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

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.

Includes 158.94 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 30, 2026.

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

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.

Includes 52.62 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 30, 2026.

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

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.

Includes 16.37 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 30, 2026.

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

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.

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

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

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.

Includes 249.38 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 30, 2026.

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

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.

Includes 95.20 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 30, 2026.

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

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.

Includes 116.01 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on April 30, 2026.

Represents the weighted average sale price. These shares were sold in multiple transactions at sale prices ranging from $66.815 to $67.11, inclusive. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Represents the weighted average sale price. These shares were sold in multiple transactions at sale prices ranging from $65.81 to $66.79, inclusive. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

23,981 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to 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 redemption for one share of the Issuer's common stock. Common OP Units have no expiration date.

23,981 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to 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 redemption for one share of the Issuer's common stock. Common OP Units have no expiration date.

23,981 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

Represents LTIP Units in BPLP 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 BPLP or the holder, into a Common OP Unit. Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of the Issuer's common stock. LTIP Units have no expiration date.

23,981 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The 1,666 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.

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.

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.

Represents the weighted average sale price. These shares were sold in multiple transactions at sale prices ranging from $59.85 to $59.86, inclusive. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

2,000 of the reporting person's common units of limited partnership interest ("Common OP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were redeemed by the reporting person for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to 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 redemption for one share of the Issuer's common stock. Common OP Units have no expiration date.

2,000 of the reporting person's common units of limited partnership interest ("Common OP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were redeemed by the reporting person for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

Represents the weighted average sale price. These shares were sold in multiple transactions at sale prices ranging from $59.01 to $59.075, inclusive. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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

4,863 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

4,863 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

Represents LTIP Units in BPLP 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 BPLP or the holder, into a Common OP Unit. Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for redemption for one share of the Issuer's common stock. LTIP Units have no expiration date.

4,863 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

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

4,863 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

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

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.

Includes 41.94 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 29, 2026.

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

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.

Includes 9.43 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 29, 2026.

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

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.

Includes 79.06 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 29, 2026.

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

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.

Includes 134.22 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 29, 2026.

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

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.

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

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

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.

Includes 215.70 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 29, 2026.

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

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.

Includes 98.33 Phantom Stock Units received pursuant to dividend equivalent rights which were credited to the Reporting Person on January 29, 2026.

Represents the weighted average sale price. These shares were sold in multiple transactions at sale prices ranging from $59.18 to $59.77, inclusive. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to 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 redemption for one share of the Issuer's common stock. Common OP Units have no expiration date.

5,495 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to 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 redemption for one share of the Issuer's common stock. Common OP Units have no expiration date.

5,495 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.

Represents units of limited partnership interest in BPLP 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 BPLP or the holder, into a Common OP Unit. Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's common stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of the Issuer's common stock. LTIP Units have no expiration date.

5,495 of the reporting person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the reporting person and the Common OP Units were redeemed for an equal number of shares of the Issuer's common stock in accordance with BPLP's Partnership Agreement.