LABELLE MICHAEL E

SEC source: 0001246991-21-000044 · wf-form4_161229083388831.xml · derivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO of GP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,329

Underlying: Common OP Units · 11,991 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 11,991 LTIP Units vest in four equal annual installments beginning on January 15, 2022.

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: 0001246991-21-000043 · wf-form4_161229081483938.xml · derivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,329

Underlying: Common Stock, par value $0.01 · 11,991 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 11,991 LTIP Units vest in four equal annual installments beginning on January 15, 2022.

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: 0001246991-21-000017 · wf-form4_161115644716258.xml · nonDerivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,333

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

SEC source: 0001246991-20-000130 · wf-form4_158274735055098.xml · derivative · entry 5

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.01 · 8,588 shares

Expires 2023-02-01

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

F1 · derivative.exercise_price: In (1) January 2014, the Issuer paid a special dividend of $2.25 per share of Common Stock to all stockholders of record as of the close of business on December 31, 2013, (2) January 2015, the Issuer paid a special dividend of $4.50 per share of Common Stock to all stockholders of record as of the close of business on December 31, 2014 and (3) January 2016, the Issuer paid a special dividend of $1.25 per share of Common Stock to all stockholders of record as of the close of business on December 31, 2015. In connection with these special dividends, the Issuer's Board of Directors adjusted all options that were awarded, but not exercised, prior to the ex-dividend date for each special dividend to account for the effect of each special dividend. The number of shares subject to each such option was increased and the exercise price correspondingly decreased such that each option had the same fair value to the holder before and after giving effect to the payment of each special dividend.

F4 · derivative.exercise_price: Pursuant to the adjustments described in Footnote 5, the number of shares underlying Mr. LaBelle's options increased by (1) 177 from 8,047 to 8,224 in January 2014, (2) 282 from 8,224 to 8,506 in January 2015 and (3) 82 from 8,506 to 8,588 in January 2016 and the per share exercise price was correspondingly decreased.

F5 · derivative.exercise_date: The option vested in four equal annual installments beginning on January 15, 2014.

F1 · derivative.underlying_shares: In (1) January 2014, the Issuer paid a special dividend of $2.25 per share of Common Stock to all stockholders of record as of the close of business on December 31, 2013, (2) January 2015, the Issuer paid a special dividend of $4.50 per share of Common Stock to all stockholders of record as of the close of business on December 31, 2014 and (3) January 2016, the Issuer paid a special dividend of $1.25 per share of Common Stock to all stockholders of record as of the close of business on December 31, 2015. In connection with these special dividends, the Issuer's Board of Directors adjusted all options that were awarded, but not exercised, prior to the ex-dividend date for each special dividend to account for the effect of each special dividend. The number of shares subject to each such option was increased and the exercise price correspondingly decreased such that each option had the same fair value to the holder before and after giving effect to the payment of each special dividend.

F4 · derivative.underlying_shares: Pursuant to the adjustments described in Footnote 5, the number of shares underlying Mr. LaBelle's options increased by (1) 177 from 8,047 to 8,224 in January 2014, (2) 282 from 8,224 to 8,506 in January 2015 and (3) 82 from 8,506 to 8,588 in January 2016 and the per share exercise price was correspondingly decreased.

SEC source: 0001246991-20-000130 · wf-form4_158274735055098.xml · derivative · entry 4

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.01 · 7,749 shares

Expires 2022-02-03

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

F1 · derivative.exercise_price: In (1) January 2014, the Issuer paid a special dividend of $2.25 per share of Common Stock to all stockholders of record as of the close of business on December 31, 2013, (2) January 2015, the Issuer paid a special dividend of $4.50 per share of Common Stock to all stockholders of record as of the close of business on December 31, 2014 and (3) January 2016, the Issuer paid a special dividend of $1.25 per share of Common Stock to all stockholders of record as of the close of business on December 31, 2015. In connection with these special dividends, the Issuer's Board of Directors adjusted all options that were awarded, but not exercised, prior to the ex-dividend date for each special dividend to account for the effect of each special dividend. The number of shares subject to each such option was increased and the exercise price correspondingly decreased such that each option had the same fair value to the holder before and after giving effect to the payment of each special dividend.

F2 · derivative.exercise_price: Pursuant to the adjustments described in Footnote 2, the number of shares underlying Mr. LaBelle's options increased by (1) 160 from 7,260 to 7,420 in January 2014, (2) 255 from 7,420 to 7,675 in January 2015 and (3) 74 from 7,675 to 7,749 in January 2016 and the per share exercise price was correspondingly decreased.

F3 · derivative.exercise_date: The option vested in four equal annual installments beginning on January 15, 2013.

F1 · derivative.underlying_shares: In (1) January 2014, the Issuer paid a special dividend of $2.25 per share of Common Stock to all stockholders of record as of the close of business on December 31, 2013, (2) January 2015, the Issuer paid a special dividend of $4.50 per share of Common Stock to all stockholders of record as of the close of business on December 31, 2014 and (3) January 2016, the Issuer paid a special dividend of $1.25 per share of Common Stock to all stockholders of record as of the close of business on December 31, 2015. In connection with these special dividends, the Issuer's Board of Directors adjusted all options that were awarded, but not exercised, prior to the ex-dividend date for each special dividend to account for the effect of each special dividend. The number of shares subject to each such option was increased and the exercise price correspondingly decreased such that each option had the same fair value to the holder before and after giving effect to the payment of each special dividend.

F2 · derivative.underlying_shares: Pursuant to the adjustments described in Footnote 2, the number of shares underlying Mr. LaBelle's options increased by (1) 160 from 7,260 to 7,420 in January 2014, (2) 255 from 7,420 to 7,675 in January 2015 and (3) 74 from 7,675 to 7,749 in January 2016 and the per share exercise price was correspondingly decreased.

SEC source: 0001246991-20-000130 · wf-form4_158274735055098.xml · nonDerivative · entry 3

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,142

SEC source: 0001246991-20-000130 · wf-form4_158274735055098.xml · nonDerivative · entry 2

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,479

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.

SEC source: 0001246991-20-000130 · wf-form4_158274735055098.xml · nonDerivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,891

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.

SEC source: 0001246991-20-000117 · wf-form4_158222743039905.xml · derivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO of GP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,338

Underlying: Common OP Units · 8,946 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 8,946 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: 0001246991-20-000108 · wf-form4_158222723229314.xml · derivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,338

Underlying: Common Stock, par value $0.01 · 8,946 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 8,946 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: 0001246991-20-000045 · wf-form4_158076421547390.xml · derivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO of GP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 99,392

Underlying: Common OP Units · 6,784 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 6,784 LTIP Units vest in four equal annual installments beginning on January 15, 2021.

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: 0001246991-20-000046 · wf-form4_158076423533856.xml · derivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 99,392

Underlying: Common Stock, par value $0.01 · 6,784 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 6,784 LTIP Units vest in four equal annual installments beginning on January 15, 2021.

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: 0001246991-20-000017 · wf-form4_157920744171404.xml · nonDerivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,142

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

SEC source: 0001246991-19-000076 · wf-form4_155070015572959.xml · derivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO of GP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,608

Underlying: Common OP Units · 7,357 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 7,357 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: 0001246991-19-000085 · wf-form4_155070049093361.xml · derivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,608

Underlying: Common Stock, par value $0.01 · 7,357 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 7,357 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: 0001246991-19-000039 · wf-form4_154940457048766.xml · derivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO of GP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,251

Underlying: Common OP Units · 3,716 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 3,716 LTIP Units vest in four equal annual installments beginning on January 15, 2020.

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: 0001246991-19-000043 · wf-form4_154940472281656.xml · derivative · entry 2

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,251

Underlying: Common Stock, par value $0.01 · 3,716 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 3,716 LTIP Units vest in four equal annual installments beginning on January 15, 2020.

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: 0001246991-19-000043 · wf-form4_154940472281656.xml · nonDerivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,921

SEC source: 0001246991-19-000012 · wf-form4_154767026022841.xml · nonDerivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,205

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

SEC source: 0001246991-18-000039 · wf-form4_151795581257965.xml · derivative · entry 3

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO of GP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,535

Underlying: Common OP Units · 1,951 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 1,951 LTIP Units vest in four 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: 0001246991-18-000039 · wf-form4_151795581257965.xml · derivative · entry 2

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO of GP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,584

Underlying: Common OP Units · 1,447 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 1,447 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: 0001246991-18-000040 · wf-form4_151795583258122.xml · derivative · entry 3

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,535

Underlying: Common Stock, par value $0.01 · 1,951 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 1,951 LTIP Units vest in four 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: 0001246991-18-000040 · wf-form4_151795583258122.xml · derivative · entry 2

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,584

Underlying: Common Stock, par value $0.01 · 1,447 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 1,447 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: 0001246991-18-000039 · wf-form4_151795581257965.xml · derivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO of GP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,137

Underlying: Common OP Units · 7,646 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 7,646 LTIP Units vest in four 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: 0001246991-18-000040 · wf-form4_151795583258122.xml · derivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,137

Underlying: Common Stock, par value $0.01 · 7,646 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 7,646 LTIP Units vest in four 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: 0001246991-18-000015 · wf-form4_151621697466942.xml · nonDerivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,115

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

SEC source: 0001246991-17-000089 · wf-form4_148726635781528.xml · derivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO of GP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,491

Underlying: Common OP Units · 1,491 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, 2014 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 1,491 LTIP Units earned pursuant to the Program vested 50% upon being earned and 50% will vest on February 3, 2018.

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: 0001246991-17-000081 · wf-form4_148726620347095.xml · derivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,491

Underlying: Common Stock, par value $0.01 · 1,491 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 2014 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 1,491 LTIP Units earned pursuant to the Program vested 50% upon being earned and 50% will vest on February 3, 2018.

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: 0001246991-17-000043 · wf-form4_148648921911329.xml · nonDerivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,031

SEC source: 0001246991-17-000016 · wf-form4_148467753894775.xml · nonDerivative · entry 1

LABELLE MICHAEL E · CIK 0001419045 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,606

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