BXP

SEC source: 0001246991-19-000083 · wf-form4_155070041693418.xml · derivative · entry 1

PESTER ROBERT E · CIK 0001217108 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,405

Underlying: Common Stock, par value $0.01 · 3,902 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 3,902 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: 0001246991-19-000082 · 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: 0001246991-19-000052 · wf-form4_154940506620526.xml · derivative · entry 2

BURT FRANK D · CIK 0001217093 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,846

Underlying: Common Stock, par value $0.01 · 567 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.

F3 · derivative.exercise_date: The 567 LTIP Units vest 100% on January 15, 2023.

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: 0001246991-19-000046 · wf-form4_154940483593040.xml · derivative · entry 1

RITCHEY RAYMOND A · CIK 0001219153 · Senior EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 193,490

Underlying: Common Stock, par value $0.01 · 16,008 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 16,008 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: 0001246991-19-000045 · wf-form4_154940479584866.xml · derivative · entry 1

THOMAS OWEN D · CIK 0001339081 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 181,283

Underlying: Common Stock, par value $0.01 · 33,351 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 33,351 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: 0001246991-19-000052 · wf-form4_154940506620526.xml · derivative · entry 1

BURT FRANK D · CIK 0001217093 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,279

Underlying: Common Stock, par value $0.01 · 1,982 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 1,982 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: 0001246991-19-000050 · wf-form4_154940499332478.xml · derivative · entry 1

KOOP BRYAN J · CIK 0001217098 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,260

Underlying: Common Stock, par value $0.01 · 4,955 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 4,955 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: 0001246991-19-000051 · wf-form4_154940502856413.xml · derivative · entry 1

JOHNSTON PETER D · CIK 0001337218 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,371

Underlying: Common Stock, par value $0.01 · 3,506 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 3,506 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: 0001246991-19-000049 · wf-form4_154940495642926.xml · derivative · entry 1

LINDE DOUGLAS T · CIK 0001217102 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 186,813

Underlying: Common Stock, par value $0.01 · 20,563 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 20,563 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: 0001246991-19-000048 · wf-form4_154940491402405.xml · derivative · entry 1

PESTER ROBERT E · CIK 0001217108 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,503

Underlying: Common Stock, par value $0.01 · 4,116 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 4,116 LTIP Units were fully vested upon issuance as a result of the Reporting Person's attainment of age 62 with 20 years of service.

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: 0001246991-19-000047 · 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: 0001246991-19-000044 · wf-form4_154940475923965.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,613

Underlying: Common Stock, par value $0.01 · 1,791 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 1,791 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 · 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: 0001246991-19-000011 · wf-form4_154767022636886.xml · nonDerivative · entry 1

LINDE DOUGLAS T · CIK 0001217102 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 182,189.7471

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

SEC source: 0001246991-19-000008 · wf-form4_154646688015915.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,043.75

Underlying: Common Stock, par value $0.01 · 236.56 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 37.52 Phantom Stock Units acquired as quarterly dividend equivalent rights on October 31, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

SEC source: 0001246991-19-000007 · wf-form4_154646684311159.xml · derivative · entry 1

Einiger Carol B. · CIK 0001289668 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,800.77

Underlying: Common Stock, par value $0.01 · 236.56 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 137.10 Phantom Stock Units acquired as quarterly dividend equivalent rights on October 31, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

SEC source: 0001246991-19-000005 · wf-form4_154646676857086.xml · derivative · entry 1

LUSTIG MATTHEW J · CIK 0001203367 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,014.08

Underlying: Common Stock, par value $0.01 · 209.91 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 45.30 Phantom Stock Units acquired as quarterly dividend equivalent rights on October 31, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

SEC source: 0001246991-19-000006 · wf-form4_154646680636750.xml · derivative · entry 1

TWARDOCK DAVID A · CIK 0001229891 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,437.16

Underlying: Common Stock, par value $0.01 · 263.22 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 180.88 Phantom Stock Units acquired as quarterly dividend equivalent rights on October 31, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

SEC source: 0001246991-18-000131 · wf-form4_154532979815448.xml · nonDerivative · entry 1

PESTER ROBERT E · CIK 0001217108 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,452.9679

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

SEC source: 0001246991-18-000129 · wf-form4_153842291811808.xml · derivative · entry 1

Einiger Carol B. · CIK 0001289668 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,427.11

Underlying: Common Stock, par value $0.01 · 191.93 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 109.14 Phantom Stock Units acquired as quarterly dividend equivalent rights on July 31, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

F4 · balance_after: Reflects an increase of 15.46 Phantom Stock Units to correct an administrative error on the Reporting Person's Form 4s filed on April 2, 2018 and July 2, 2018.

SEC source: 0001246991-18-000128 · wf-form4_153842289379107.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,769.67

Underlying: Common Stock, par value $0.01 · 228.49 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 28.76 Phantom Stock Units acquired as quarterly dividend equivalent rights on July 31, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

F4 · balance_after: Reflects an increase of 2.80 Phantom Stock Units to correct an administrative error on the Reporting Person's Form 4s filed on April 2, 2018 and July 2, 2018.

SEC source: 0001246991-18-000127 · wf-form4_153842287355335.xml · derivative · entry 1

LUSTIG MATTHEW J · CIK 0001203367 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,758.87

Underlying: Common Stock, par value $0.01 · 204.12 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 35.18 Phantom Stock Units acquired as quarterly dividend equivalent rights on July 31, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

F4 · balance_after: Reflects an increase of 2.41 Phantom Stock Units to correct an administrative error on the Reporting Person's Form 4s filed on April 2, 2018 and July 2, 2018.

SEC source: 0001246991-18-000126 · wf-form4_153842285203974.xml · derivative · entry 1

TWARDOCK DAVID A · CIK 0001229891 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,993.06

Underlying: Common Stock, par value $0.01 · 240.68 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 144.08 Phantom Stock Units acquired as quarterly dividend equivalent rights on July 31, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

F4 · balance_after: Reflects an increase of 15.78 Phantom Stock Units to correct an administrative error on the Reporting Person's Form 4s filed on April 2, 2018 and July 2, 2018.

SEC source: 0001246991-18-000120 · wf-form4_153054184428243.xml · derivative · entry 1

LUSTIG MATTHEW J · CIK 0001203367 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,517.16

Underlying: Common Stock, par value $0.01 · 169.19 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 33.71 Phantom Stock Units acquired as quarterly dividend equivalent rights on April 30, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

SEC source: 0001246991-18-000121 · wf-form4_153054187154793.xml · derivative · entry 1

Einiger Carol B. · CIK 0001289668 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,110.58

Underlying: Common Stock, par value $0.01 · 186.28 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 109.13 Phantom Stock Units acquired as quarterly dividend equivalent rights on April 30, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

SEC source: 0001246991-18-000119 · wf-form4_153054181673540.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,509.62

Underlying: Common Stock, par value $0.01 · 186.28 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 26.81 Phantom Stock Units acquired as quarterly dividend equivalent rights on April 30, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

SEC source: 0001246991-18-000118 · wf-form4_153054178290095.xml · derivative · entry 1

TWARDOCK DAVID A · CIK 0001229891 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,592.52

Underlying: Common Stock, par value $0.01 · 212.2 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 144.70 Phantom Stock Units acquired as quarterly dividend equivalent rights on April 30, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

SEC source: 0001246991-18-000113 · wf-form4_152813184499724.xml · nonDerivative · entry 1

TWARDOCK DAVID A · CIK 0001229891 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,834

SEC source: 0001246991-18-000112 · wf-form4_152813182291385.xml · nonDerivative · entry 1

DYKSTRA KAREN E · CIK 0001198848 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,085

SEC source: 0001246991-18-000104 · wf-form4_152813147418041.xml · derivative · entry 1

DUNCAN BRUCE W · CIK 0001105577 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,110

Underlying: Common Stock, par value $0.01 · 1,047 shares

Expires not disclosed

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

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

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

F2 · derivative.exercise_date: The 1,047 LTIP Units will vest on the earlier of (i) May 31, 2019 and (ii) the date of the Issuer's 2019 annual meeting of stockholders.

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

SEC source: 0001246991-18-000103 · wf-form4_152813145084292.xml · derivative · entry 1

Einiger Carol B. · CIK 0001289668 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,120

Underlying: Common Stock, par value $0.01 · 1,047 shares

Expires not disclosed

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

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

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

F2 · derivative.exercise_date: The 1,047 LTIP Units will vest on the earlier of (i) May 31, 2019 and (ii) the date of the Issuer's 2019 annual meeting of stockholders.

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

SEC source: 0001246991-18-000102 · wf-form4_152813138323258.xml · derivative · entry 1

FRENKEL JACOB A · CIK 0001237418 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,479

Underlying: Common Stock, par value $0.01 · 1,047 shares

Expires not disclosed

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

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

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

F2 · derivative.exercise_date: The 1,047 LTIP Units will vest on the earlier of (i) May 31, 2019 and (ii) the date of the Issuer's 2019 annual meeting of stockholders.

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

SEC source: 0001246991-18-000101 · wf-form4_152813135784322.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,210

Underlying: Common Stock, par value $0.01 · 1,047 shares

Expires not disclosed

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

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

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

F2 · derivative.exercise_date: The 1,047 LTIP Units will vest on the earlier of (i) May 31, 2019 and (ii) the date of the Issuer's 2019 annual meeting of stockholders.

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

SEC source: 0001246991-18-000100 · wf-form4_152813133235419.xml · derivative · entry 1

LUSTIG MATTHEW J · CIK 0001203367 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,068

Underlying: Common Stock, par value $0.01 · 1,047 shares

Expires not disclosed

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

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

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

F2 · derivative.exercise_date: The 1,047 LTIP Units will vest on the earlier of (i) May 31, 2019 and (ii) the date of the Issuer's 2019 annual meeting of stockholders.

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

SEC source: 0001246991-18-000099 · wf-form4_152813131168380.xml · derivative · entry 1

TURCHIN MARTIN · CIK 0001217112 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,058

Underlying: Common Stock, par value $0.01 · 1,047 shares

Expires not disclosed

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

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

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

F2 · derivative.exercise_date: The 1,047 LTIP Units will vest on the earlier of (i) May 31, 2019 and (ii) the date of the Issuer's 2019 annual meeting of stockholders.

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

SEC source: 0001246991-18-000098 · wf-form4_152813123714796.xml · derivative · entry 1

Ayotte Kelly · CIK 0001702559 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,047

Underlying: Common Stock, par value $0.01 · 1,047 shares

Expires not disclosed

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

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

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

F2 · derivative.exercise_date: The 1,047 LTIP Units will vest on the earlier of (i) May 31, 2019 and (ii) the date of the Issuer's 2019 annual meeting of stockholders.

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

SEC source: 0001246991-18-000079 · wf-form4_152632639525158.xml · nonDerivative · entry 1

KOOP BRYAN J · CIK 0001217098 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,558.7704

F1 · price: Represents the weighted average sale price. These shares were sold in multiple transactions at sale prices ranging from $123.99 to $124.59, 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.

F2 · balance_after: The Form 4 filed by the Reporting Person on March 30, 2018 incorrectly reported the "Amount of Securities Beneficially Owned Following Reported Transactions(s)" in column 5 as 14,218.7704 shares of Common Stock instead of 15,118.7704 shares of Common Stock. The total number of shares of Common Stock in column 5 on this Form 4 has been corrected to reflect the current holdings of the Reporting Person, which following the reported transaction on May 11, 2018, total 4,558.7704.

SEC source: 0001246991-18-000073 · wf-form4_152268588912689.xml · derivative · entry 1

Einiger Carol B. · CIK 0001289668 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,815.17

Underlying: Common Stock, par value $0.01 · 252.6 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 108.70 Phantom Stock Units acquired as quarterly dividend equivalent rights on January 30, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

SEC source: 0001246991-18-000072 · wf-form4_152268585296258.xml · derivative · entry 1

KLEIN JOEL · CIK 0001166832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,296.53

Underlying: Common Stock, par value $0.01 · 228.25 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 25.79 Phantom Stock Units acquired as quarterly dividend equivalent rights on January 30, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

SEC source: 0001246991-18-000071 · wf-form4_152268583353975.xml · derivative · entry 1

LUSTIG MATTHEW J · CIK 0001203367 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,314.26

Underlying: Common Stock, par value $0.01 · 197.82 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 32.95 Phantom Stock Units acquired as quarterly dividend equivalent rights on January 30, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

SEC source: 0001246991-18-000070 · wf-form4_152268581668722.xml · derivative · entry 1

PATRICOF ALAN J · CIK 0001217107 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,490.03

Underlying: Common Stock, par value $0.01 · 222.16 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 240.10 Phantom Stock Units acquired as quarterly dividend equivalent rights on January 30, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

SEC source: 0001246991-18-000069 · wf-form4_152268579991936.xml · derivative · entry 1

TWARDOCK DAVID A · CIK 0001229891 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,235.62

Underlying: Common Stock, par value $0.01 · 276.94 shares

Expires not disclosed

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

F2 · derivative.exercise_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F2 · derivative.expiration_date: The Phantom Stock Units are awarded under the Boston Properties, Inc. 2012 Stock Option and Incentive Plan (the "2012 Plan") to non-employee directors who elected to receive Phantom Stock Units in lieu of director cash compensation fees. The Phantom Stock Units are to be settled in shares of Common Stock (except that fractional units, if any, will be settled in cash) upon the Reporting Person's retirement from the Boston Properties, Inc. Board of Directors.

F3 · balance_after: Includes 144.45 Phantom Stock Units acquired as quarterly dividend equivalent rights on January 30, 2018. The rights were granted as a component of the Phantom Stock Units that were awarded under the Second Amendment and Restatement of the Boston Properties, Inc. 1997 Stock Option and Incentive Plan or, following May 15, 2012, under the 2012 Plan.

SEC source: 0001246991-18-000074 · wf-form4_152268590613601.xml · derivative · entry 4

KOOP BRYAN J · CIK 0001217098 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.01 · 14,534 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 · 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 its 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: 14,534 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: 14,534 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.

F3 · 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 its election, acquire each Common OP Unit so presented for redemption for one share of Common Stock. Common OP Units have no expiration date.

F3 · 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 its election, acquire each Common OP Unit so presented for redemption for one share of Common Stock. Common OP Units have no expiration date.

F3 · 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 its 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: 0001246991-18-000074 · wf-form4_152268590613601.xml · derivative · entry 3

KOOP BRYAN J · CIK 0001217098 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,534

Underlying: Common Stock, par value $0.01 · 14,534 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 · 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 its 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: 14,534 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: 14,534 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.

F3 · 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 its election, acquire each Common OP Unit so presented for redemption for one share of Common Stock. Common OP Units have no expiration date.

F3 · 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 its election, acquire each Common OP Unit so presented for redemption for one share of Common Stock. Common OP Units have no expiration date.

F3 · 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 its 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: 0001246991-18-000074 · wf-form4_152268590613601.xml · derivative · entry 2

KOOP BRYAN J · CIK 0001217098 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,305

Underlying: Common Stock, par value $0.01 · 14,534 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.

F2 · security: Represents LTIP Units 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.

F2 · derivative.exercise_price: Represents LTIP Units 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: 14,534 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.

F3 · 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 its election, acquire each Common OP Unit so presented for redemption for one share of Common Stock. Common OP Units have no expiration date.

F3 · 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 its 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: 0001246991-18-000074 · wf-form4_152268590613601.xml · nonDerivative · entry 1

KOOP BRYAN J · CIK 0001217098 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,218.7704

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: 14,534 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: 14,534 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.

SEC source: 0001246991-18-000056 · wf-form4_151795613895142.xml · derivative · entry 2

THOMAS OWEN D · CIK 0001339081 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 147,932

Underlying: Common Stock, par value $0.01 · 7,791 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 7,791 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: 0001246991-18-000054 · wf-form4_151795610412583.xml · derivative · entry 2

LINDE DOUGLAS T · CIK 0001217102 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166,250

Underlying: Common Stock, par value $0.01 · 6,228 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 6,228 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.