BXP, Inc. — Director's Dealing 2011

Jun 1, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BOSTON PROPERTIES INC (BXP)
CIK: 0001037540
Period of Report: 2011-05-27

Reporting Person: BACOW LAWRENCE S (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-27	Common Stock, par value $.01	M	2230	—	Acquired	2664	Direct
2011-05-27	Common Stock, par value $.01	S	2230	$105.5781	Disposed	434	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-27	LTIP Units	$	M	2230	Disposed		Common Stock (2230)	Direct

Footnotes

F1: 2,230 of the Reporting Person's units of limited partnership interest 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 immediately redeemed for an equal number of shares of the Issuer's Common Stock in accordance with BPLP's Partnership Agreement.

F2: Represents units of limited partnership interest in BPLP 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 OP Unit. 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 each Common OP Unit so presented for redemption for one share of Common Stock.