POWERS JOHN FRANCIS

SEC source: 0001246991-21-000155 · wf-form4_161766386660794.xml · nonDerivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · security: Complete Title of Security: Depositary Shares Each Representing 1/100th of a Share of 5.25% Series B Cumulative Redeemable Preferred Stock, par value $.01 per share (the "Series B Preferred Stock").

F2 · kind: On April 1, 2021 (the "Redemption Date"), the Issuer redeemed all outstanding shares of its Series B Preferred Stock and the corresponding Depositary Shares, including the Depositary Shares owned by the Reporting Person. The Depositary Shares were redeemed at a redemption price of $25.00 per share, plus all accrued and unpaid dividends per share up to, but excluding, the Redemption Date, which equals approximately $25.1641 per share.

F2 · price: On April 1, 2021 (the "Redemption Date"), the Issuer redeemed all outstanding shares of its Series B Preferred Stock and the corresponding Depositary Shares, including the Depositary Shares owned by the Reporting Person. The Depositary Shares were redeemed at a redemption price of $25.00 per share, plus all accrued and unpaid dividends per share up to, but excluding, the Redemption Date, which equals approximately $25.1641 per share.

SEC source: 0001246991-21-000154 · wf-form4_161766374986112.xml · nonDerivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · security: Complete Title of Security: Depositary Shares Each Representing 1/100th of a Share of 5.25% Series B Cumulative Redeemable Preferred Stock, par value $.01 per share (the "Series B Preferred Stock").

F2 · kind: On April 1, 2021 (the "Redemption Date"), the Issuer redeemed all outstanding shares of its Series B Preferred Stock and the corresponding Depositary Shares, including the Depositary Shares owned by the Reporting Person. The Depositary Shares were redeemed at a redemption price of $25.00 per share, plus all accrued and unpaid dividends per share up to, but excluding, the Redemption Date, which equals approximately $25.1641 per share.

F2 · price: On April 1, 2021 (the "Redemption Date"), the Issuer redeemed all outstanding shares of its Series B Preferred Stock and the corresponding Depositary Shares, including the Depositary Shares owned by the Reporting Person. The Depositary Shares were redeemed at a redemption price of $25.00 per share, plus all accrued and unpaid dividends per share up to, but excluding, the Redemption Date, which equals approximately $25.1641 per share.

SEC source: 0001246991-21-000129 · wf-form4_161359352302668.xml · derivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · EVP of General Partner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,823

Underlying: Common OP Units · 1,800 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in the Issuer earned (i.e., for which the performance-based hurdles have been met) pursuant to Boston Properties, Inc.'s ("BPI's"), the Issuer's sole general partner's, 2018 Multi-Year Long-Term Incentive Program (the "Program").

F2 · derivative.exercise_price: 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: 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.

F3 · derivative.exercise_date: The 1,800 LTIP Units earned pursuant to the Program vested 50% upon being earned and 50% will vest on February 5, 2022.

F2 · derivative.expiration_date: 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: 0001246991-21-000120 · wf-form4_161359333510556.xml · derivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,823

Underlying: Common Stock, par value $0.01 · 1,800 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, earned (i.e., for which the performance-based hurdles have been met) pursuant to the Issuer's 2018 Multi-Year Long-Term Incentive Program (the "Program").

F2 · derivative.exercise_price: 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: 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.

F3 · derivative.exercise_date: The 1,800 LTIP Units earned pursuant to the Program vested 50% upon being earned and 50% will vest on February 5, 2022.

F2 · derivative.expiration_date: 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: 0001246991-21-000050 · wf-form4_161229128709482.xml · derivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · EVP of General Partner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,023

Underlying: Common OP Units · 15,547 shares

Expires not disclosed

F1 · security: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 15,547 LTIP Units were fully vested upon issuance as a result of the Reporting Person's attainment of age 65.

F1 · derivative.expiration_date: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

SEC source: 0001246991-21-000049 · wf-form4_161229126838642.xml · derivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,023

Underlying: Common Stock, par value $0.01 · 15,547 shares

Expires not disclosed

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

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

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of 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 15,547 LTIP Units were fully vested upon issuance as a result of the Reporting Person's attainment of age 65.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of 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: 0001246991-20-000126 · wf-form4_158229375840043.xml · nonDerivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 580.9582

F1 · price: Represents the weighted average sale price. These shares were sold in multiple transactions at sale prices ranging from $144.90 to $145.26, inclusive. The Reporting Person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001246991-20-000084 · wf-form4_158214892151733.xml · derivative · entry 3

POWERS JOHN FRANCIS · CIK 0001595258 · EVP of General Partner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,438

Underlying: Common OP Units · 14,318 shares

Expires not disclosed

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

F3 · security: Issued as long term incentive compensation pursuant to BPI's, 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 OP Unit. Each Common OP Unit acquired upon conversion of an LTIP Unit may be redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F3 · derivative.exercise_price: Issued as long term incentive compensation pursuant to BPI's, 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 OP Unit. Each Common OP Unit acquired upon conversion of an LTIP Unit may be redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F2 · kind: 14,318 of the Reporting Person's units of limited partnership interest ("LTIP Units") in the Issuer were converted into Common OP Units in the Issuer by the Reporting Person and the Common OP Units were redeemed for an equal number of shares of Common Stock of BPI, in accordance with the terms of the Issuer's Partnership Agreement.

F3 · derivative.exercise_date: Issued as long term incentive compensation pursuant to BPI's, 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 OP Unit. Each Common OP Unit acquired upon conversion of an LTIP Unit may be redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F3 · derivative.expiration_date: Issued as long term incentive compensation pursuant to BPI's, 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 OP Unit. Each Common OP Unit acquired upon conversion of an LTIP Unit may be redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

SEC source: 0001246991-20-000084 · wf-form4_158214892151733.xml · nonDerivative · entry 2

POWERS JOHN FRANCIS · CIK 0001595258 · EVP of General Partner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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 · security: Represents common units of limited partnership interest ("Common OP Units") in the Issuer. 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 Common Stock of Boston Properties, Inc. ("BPI"), the Issuer's sole general partner, except that BPI may, at its election, acquire each Common OP Unit so presented for redemption for one share of Common Stock of BPI.

F2 · kind: 14,318 of the Reporting Person's units of limited partnership interest ("LTIP Units") in the Issuer were converted into Common OP Units in the Issuer by the Reporting Person and the Common OP Units were redeemed for an equal number of shares of Common Stock of BPI, in accordance with the terms of the Issuer's Partnership Agreement.

F1 · price: Represents common units of limited partnership interest ("Common OP Units") in the Issuer. 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 Common Stock of Boston Properties, Inc. ("BPI"), the Issuer's sole general partner, except that BPI may, at its election, acquire each Common OP Unit so presented for redemption for one share of Common Stock of BPI.

F2 · price: 14,318 of the Reporting Person's units of limited partnership interest ("LTIP Units") in the Issuer were converted into Common OP Units in the Issuer by the Reporting Person and the Common OP Units were redeemed for an equal number of shares of Common Stock of BPI, in accordance with the terms of the Issuer's Partnership Agreement.

SEC source: 0001246991-20-000084 · wf-form4_158214892151733.xml · nonDerivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · EVP of General Partner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,318

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 · security: Represents common units of limited partnership interest ("Common OP Units") in the Issuer. 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 Common Stock of Boston Properties, Inc. ("BPI"), the Issuer's sole general partner, except that BPI may, at its election, acquire each Common OP Unit so presented for redemption for one share of Common Stock of BPI.

F2 · kind: 14,318 of the Reporting Person's units of limited partnership interest ("LTIP Units") in the Issuer were converted into Common OP Units in the Issuer by the Reporting Person and the Common OP Units were redeemed for an equal number of shares of Common Stock of BPI, in accordance with the terms of the Issuer's Partnership Agreement.

F1 · price: Represents common units of limited partnership interest ("Common OP Units") in the Issuer. 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 Common Stock of Boston Properties, Inc. ("BPI"), the Issuer's sole general partner, except that BPI may, at its election, acquire each Common OP Unit so presented for redemption for one share of Common Stock of BPI.

F2 · price: 14,318 of the Reporting Person's units of limited partnership interest ("LTIP Units") in the Issuer were converted into Common OP Units in the Issuer by the Reporting Person and the Common OP Units were redeemed for an equal number of shares of Common Stock of BPI, in accordance with the terms of the Issuer's Partnership Agreement.

SEC source: 0001246991-20-000083 · wf-form4_158214890188217.xml · derivative · entry 6

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.01 · 14,318 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.

F5 · security: 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 fair market value of a share of the Issuer's Common Stock, except that the Issuer may, at it's election, acquire each Common OP Unit so presented for redemption for one share of Common Stock. Common OP Units have no expiration date.

F5 · derivative.exercise_price: Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to the fair market value of a share of the Issuer's Common Stock, except that the Issuer may, at it's election, acquire each Common OP Unit so presented for redemption for one share of Common Stock. Common OP Units have no expiration date.

F1 · kind: 14,318 of the Reporting Person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the sole general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the Reporting Person and the Common OP Units were redeemed for an equal number of shares of the Issuer's Common Stock in accordance with BPLP's Partnership Agreement.

F1 · price: 14,318 of the Reporting Person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the sole 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.

F5 · 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 fair market value of a share of the Issuer's Common Stock, except that the Issuer may, at it's election, acquire each Common OP Unit so presented for redemption for one share of Common Stock. Common OP Units have no expiration date.

F5 · derivative.exercise_date: Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to the fair market value of a share of the Issuer's Common Stock, except that the Issuer may, at it's election, acquire each Common OP Unit so presented for redemption for one share of Common Stock. Common OP Units have no expiration date.

F5 · derivative.expiration_date: Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to the fair market value of a share of the Issuer's Common Stock, except that the Issuer may, at it's election, acquire each Common OP Unit so presented for redemption for one share of Common Stock. Common OP Units have no expiration date.

SEC source: 0001246991-20-000083 · wf-form4_158214890188217.xml · derivative · entry 5

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,318

Underlying: Common Stock, par value $0.01 · 14,318 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.

F5 · security: 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 fair market value of a share of the Issuer's Common Stock, except that the Issuer may, at it's election, acquire each Common OP Unit so presented for redemption for one share of Common Stock. Common OP Units have no expiration date.

F5 · derivative.exercise_price: Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to the fair market value of a share of the Issuer's Common Stock, except that the Issuer may, at it's election, acquire each Common OP Unit so presented for redemption for one share of Common Stock. Common OP Units have no expiration date.

F1 · kind: 14,318 of the Reporting Person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the sole general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the Reporting Person and the Common OP Units were redeemed for an equal number of shares of the Issuer's Common Stock in accordance with BPLP's Partnership Agreement.

F1 · price: 14,318 of the Reporting Person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the sole 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.

F5 · 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 fair market value of a share of the Issuer's Common Stock, except that the Issuer may, at it's election, acquire each Common OP Unit so presented for redemption for one share of Common Stock. Common OP Units have no expiration date.

F5 · derivative.exercise_date: Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to the fair market value of a share of the Issuer's Common Stock, except that the Issuer may, at it's election, acquire each Common OP Unit so presented for redemption for one share of Common Stock. Common OP Units have no expiration date.

F5 · derivative.expiration_date: Represents Common OP Units in BPLP. Each Common OP Unit may be presented for redemption, at the election of the holder, for cash equal to the fair market value of a share of the Issuer's Common Stock, except that the Issuer may, at it's election, acquire each Common OP Unit so presented for redemption for one share of Common Stock. Common OP Units have no expiration date.

SEC source: 0001246991-20-000083 · wf-form4_158214890188217.xml · derivative · entry 4

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,438

Underlying: Common Stock, par value $0.01 · 14,318 shares

Expires not disclosed

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

F4 · security: Represents LTIP Units in BPLP, of which the Issuer is the general partner, issued as long term incentive compensation pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the holder, into a Common OP Unit in BPLP. 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.

F4 · derivative.exercise_price: Represents LTIP Units in BPLP, of which the Issuer is the general partner, issued as long term incentive compensation pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the holder, into a Common OP Unit in BPLP. 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 · kind: 14,318 of the Reporting Person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the sole general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the Reporting Person and the Common OP Units were redeemed for an equal number of shares of the Issuer's Common Stock in accordance with BPLP's Partnership Agreement.

F4 · derivative.exercise_date: Represents LTIP Units in BPLP, of which the Issuer is the general partner, issued as long term incentive compensation pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the holder, into a Common OP Unit in BPLP. 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.

F4 · derivative.expiration_date: Represents LTIP Units in BPLP, of which the Issuer is the general partner, issued as long term incentive compensation pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of the holder, into a Common OP Unit in BPLP. 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: 0001246991-20-000083 · wf-form4_158214890188217.xml · nonDerivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,898.9582

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

F1 · kind: 14,318 of the Reporting Person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the sole general partner, were converted into common units of limited partnership interest ("Common OP Units") in BPLP by the Reporting Person and the Common OP Units were redeemed for an equal number of shares of the Issuer's Common Stock in accordance with BPLP's Partnership Agreement.

F1 · price: 14,318 of the Reporting Person's units of limited partnership interest ("LTIP Units") in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the sole 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.

F2 · balance_after: Includes an aggregate of 276.292189 shares of the Issuer's Common Stock which the Reporting Person acquired in July 3, 2017, July 2, 2018 and January 2, 2020 pursuant to the Boston Properties, Inc. 1999 Employee Stock Purchase Plan and an aggregate of 30.480932 shares of the Issuer's Common Stock which the Reporting Person acquired in November 7, 2017, February 13, 2018, May 2, 2018, August 3, 2018, November 5, 2018, February 1, 2019, May 3, 2019, August 2, 2019, November 5, 2019 and February 4, 2020 pursuant to the Boston Properties, Inc. Dividend Reinvestment and Stock Purchase Plan.

SEC source: 0001246991-20-000123 · wf-form4_158222756341249.xml · derivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,476

Underlying: Common Stock, par value $0.01 · 4,038 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, earned (i.e., for which the performance-based hurdles have been met) pursuant to the Issuer's 2017 Multi-Year Long-Term Incentive Program (the "Program").

F2 · derivative.exercise_price: 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: 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.

F3 · derivative.exercise_date: The 4,038 LTIP Units earned pursuant to the Program vested 50% upon being earned and 50% will vest on February 6, 2021.

F2 · derivative.expiration_date: 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: 0001246991-20-000124 · wf-form4_158222758554081.xml · derivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · EVP of General Partner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,476

Underlying: Common OP Units · 4,038 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in the Issuer earned (i.e., for which the performance-based hurdles have been met) pursuant to Boston Properties, Inc.'s ("BPI's"), the Issuer's sole general partner's, 2017 Multi-Year Long-Term Incentive Program (the "Program").

F2 · derivative.exercise_price: 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: 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.

F3 · derivative.exercise_date: The 4,038 LTIP Units earned pursuant to the Program vested 50% upon being earned and 50% will vest on February 6, 2021.

F2 · derivative.expiration_date: 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: 0001246991-20-000052 · wf-form4_158076436758278.xml · derivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · EVP of General Partner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,756

Underlying: Common OP Units · 8,161 shares

Expires not disclosed

F1 · security: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 8,161 LTIP Units were fully vested upon issuance as a result of the Reporting Person's attainment of age 65.

F1 · derivative.expiration_date: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

SEC source: 0001246991-20-000051 · wf-form4_158076434684948.xml · derivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,756

Underlying: Common Stock, par value $0.01 · 8,161 shares

Expires not disclosed

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

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

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of 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 8,161 LTIP Units were fully vested upon issuance as a result of the Reporting Person's attainment of age 65.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of 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: 0001246991-19-000073 · wf-form4_155070003852321.xml · derivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · EVP of General Partner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,595

Underlying: Common OP Units · 3,576 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in the Issuer earned (i.e., for which the performance-based hurdles have been met) pursuant to Boston Properties, Inc.'s ("BPI's"), the Issuer's sole general partner's, 2016 Multi-Year Long-Term Incentive Program (the "Program").

F2 · derivative.exercise_price: 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: 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.

F3 · derivative.exercise_date: The 3,576 LTIP Units earned pursuant to the Program vested 50% upon being earned and 50% will vest on February 9, 2020.

F2 · derivative.expiration_date: 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: 0001246991-19-000082 · wf-form4_155070037801941.xml · derivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,595

Underlying: Common Stock, par value $0.01 · 3,576 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, earned (i.e., for which the performance-based hurdles have been met) pursuant to the Issuer's 2016 Multi-Year Long-Term Incentive Program (the "Program").

F2 · derivative.exercise_price: 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: 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.

F3 · derivative.exercise_date: The 3,576 LTIP Units earned pursuant to the Program vested 50% upon being earned and 50% will vest on February 9, 2020.

F2 · derivative.expiration_date: 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: 0001246991-19-000033 · wf-form4_154940435064964.xml · derivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · EVP of General Partner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,019

Underlying: Common OP Units · 3,964 shares

Expires not disclosed

F1 · security: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 3,964 LTIP Units were fully vested upon issuance as a result of the Reporting Person's attainment of age 65.

F1 · derivative.expiration_date: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

SEC source: 0001246991-19-000047 · wf-form4_154940487256432.xml · derivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,019

Underlying: Common Stock, par value $0.01 · 3,964 shares

Expires not disclosed

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

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

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of 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 3,964 LTIP Units were fully vested upon issuance as a result of the Reporting Person's attainment of age 65.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of 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: 0001246991-18-000037 · wf-form4_151795577213978.xml · derivative · entry 3

POWERS JOHN FRANCIS · CIK 0001595258 · EVP of General Partner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,055

Underlying: Common OP Units · 1,456 shares

Expires not disclosed

F1 · security: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F5 · derivative.exercise_date: The 1,456 LTIP Units vest in two equal annual installments beginning on January 15, 2019.

F1 · derivative.expiration_date: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

SEC source: 0001246991-18-000037 · wf-form4_151795577213978.xml · derivative · entry 2

POWERS JOHN FRANCIS · CIK 0001595258 · EVP of General Partner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,599

Underlying: Common OP Units · 1,085 shares

Expires not disclosed

F3 · security: Represents LTIP Units earned (i.e., for which the performance-based hurdles have been met) pursuant to BPI's 2015 Multi-Year Long-Term Incentive Program (the "Program"). 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 OP Unit. Each Common OP Unit acquired upon conversion of an LTIP Unit may be redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F3 · derivative.exercise_price: Represents LTIP Units earned (i.e., for which the performance-based hurdles have been met) pursuant to BPI's 2015 Multi-Year Long-Term Incentive Program (the "Program"). 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 OP Unit. Each Common OP Unit acquired upon conversion of an LTIP Unit may be redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F3 · derivative.exercise_date: Represents LTIP Units earned (i.e., for which the performance-based hurdles have been met) pursuant to BPI's 2015 Multi-Year Long-Term Incentive Program (the "Program"). 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 OP Unit. Each Common OP Unit acquired upon conversion of an LTIP Unit may be redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F4 · derivative.exercise_date: The 1,085 LTIP Units earned pursuant to the Program vested 50% upon being earned and 50% will vest on February 4, 2019.

F3 · derivative.expiration_date: Represents LTIP Units earned (i.e., for which the performance-based hurdles have been met) pursuant to BPI's 2015 Multi-Year Long-Term Incentive Program (the "Program"). 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 OP Unit. Each Common OP Unit acquired upon conversion of an LTIP Unit may be redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

SEC source: 0001246991-18-000038 · wf-form4_151795579253202.xml · derivative · entry 3

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,055

Underlying: Common Stock, par value $0.01 · 1,456 shares

Expires not disclosed

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

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

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of 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.

F5 · derivative.exercise_date: The 1,456 LTIP Units vest in two equal annual installments beginning on January 15, 2019.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of 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: 0001246991-18-000038 · wf-form4_151795579253202.xml · derivative · entry 2

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,599

Underlying: Common Stock, par value $0.01 · 1,085 shares

Expires not disclosed

F3 · security: Represents LTIP Units earned (i.e., for which the performance-based hurdles have been met) pursuant to the Issuer's 2015 Multi-Year Long-Term Incentive Program (the "Program"). 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 OP Unit. Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F3 · derivative.exercise_price: Represents LTIP Units earned (i.e., for which the performance-based hurdles have been met) pursuant to the Issuer's 2015 Multi-Year Long-Term Incentive Program (the "Program"). 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 OP Unit. Each Common OP Unit acquired upon conversion of an LTIP Unit may be presented for redemption, at the election of the holder, for cash equal to the then fair market value of a share of the Issuer's Common Stock, except that the Issuer may, at its election, acquire each Common OP Unit so presented for one share of Common Stock. LTIP Units have no expiration date.

F3 · derivative.exercise_date: Represents LTIP Units earned (i.e., for which the performance-based hurdles have been met) pursuant to the Issuer's 2015 Multi-Year Long-Term Incentive Program (the "Program"). 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 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.

F4 · derivative.exercise_date: The 1,085 LTIP Units earned pursuant to the Program vested 50% upon being earned and 50% will vest on February 4, 2019.

F3 · derivative.expiration_date: Represents LTIP Units earned (i.e., for which the performance-based hurdles have been met) pursuant to the Issuer's 2015 Multi-Year Long-Term Incentive Program (the "Program"). 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 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: 0001246991-18-000037 · wf-form4_151795577213978.xml · derivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · EVP of General Partner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,514

Underlying: Common OP Units · 3,896 shares

Expires not disclosed

F1 · security: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 3,896 LTIP Units were fully vested upon issuance as a result of the Reporting Person's attainment of age 65.

F1 · derivative.expiration_date: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

SEC source: 0001246991-18-000038 · wf-form4_151795579253202.xml · derivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,514

Underlying: Common Stock, par value $0.01 · 3,896 shares

Expires not disclosed

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

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

F1 · derivative.exercise_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of 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 3,896 LTIP Units were fully vested upon issuance as a result of the Reporting Person's attainment of age 65.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP"), of which the Issuer is the general partner, issued as long term incentive compensation ("LTIP Units") pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of 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: 0001246991-17-000047 · wf-form4_148648929104710.xml · derivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · EVP of General Partner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,618

Underlying: Common OP Units · 4,350 shares

Expires not disclosed

F1 · security: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F1 · derivative.exercise_price: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F1 · derivative.exercise_date: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

F2 · derivative.exercise_date: The 4,350 LTIP Units vest in four equal annual installments beginning on January 15, 2018.

F1 · derivative.expiration_date: Issued as long term incentive compensation pursuant 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 redeemed, 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 redemption for one share of common stock of BPI. LTIP Units have no expiration date.

SEC source: 0001246991-17-000046 · wf-form4_148648927256542.xml · derivative · entry 1

POWERS JOHN FRANCIS · CIK 0001595258 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,618

Underlying: Common Stock, par value $0.01 · 4,350 shares

Expires not disclosed

F1 · security: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP") issued as long term incentive compensation pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of 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") issued as long term incentive compensation pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of 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") issued as long term incentive compensation pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of 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 4,350 LTIP Units vest in four equal annual installments beginning on January 15, 2018.

F1 · derivative.expiration_date: Represents units of limited partnership interest in Boston Properties Limited Partnership ("BPLP") issued as long term incentive compensation pursuant to the Issuer's equity based incentive programs. Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, each LTIP Unit may be converted, at the election of 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.