BXP, Inc. — Director's Dealing 2010

May 5, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BOSTON PROPERTIES INC (BXP)
CIK: 0001037540
Period of Report: 2010-05-03

Reporting Person: BURT FRANK D (Senior Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-03	Common Stock, par value $.01	C	4000	—	Acquired	4000	Indirect
2010-05-03	Common Stock, par value $.01	S	1000	$81.48	Disposed	3000	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-05-03	Common OP Units	$	C	4000	Disposed		Common Stock (4000)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $.01	9207	Direct

Footnotes

F1: The Reporting Person redeemed the Common OP Units of Boston Properties Limited Partnership, 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 ("Common Stock") except that the Issuer may, at its election, 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.

F2: Represents the weighted average sale price. These shares were sold in multiple transactions at sale prices ranging from $81.476 to $81.484, 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.

F3: 1 for 1