BXP, Inc. — Director's Dealing 2010

Aug 9, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BOSTON PROPERTIES INC (BXP)
CIK: 0001037540
Period of Report: 2010-08-06

Reporting Person: SELSAM ROBERT E (Senior Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-08-06	Common Stock, par value $.01	C	6496	—	Acquired	27514.0895	Direct
2010-08-09	Common Stock, par value $.01	S	6496	$85.504	Disposed	21018.0895	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-08-06	Common OP Units	$	C	6496	Acquired		Common Stock (6496)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $.01	800	Indirect

Footnotes

F1: The Reporting Person redeemed 6,496 units of limited partnership interest of Boston Properties Limited Partnership ("Common OP Units"), of which the Issuer is the general partner. Each Common OP Unit may be redeemed, 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 as directed by BPLP, acquire the Common OP Unit presented for redemption for one share of Common Stock. The Issuer elected to redeem the Reporting Person's Common OP Units with Common Stock. Common OP Units have no expiration date.

F2: Includes 25.785 shares which the Reporting Person acquired in May 2010 and August 2010 pursuant to the Boston Properties, Inc. Dividend Reinvestment and Stock Purchase Plan.

F3: Represents the weighted average sale price. These shares were sold in multiple transactions at sale prices ranging from $85.50 to $85.55, 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.