AMENDED AND RESTATED] COMPETITIVE BID NOTE

[AMENDED AND RESTATED] COMPETITIVE BID NOTE

September __, 2013

FOR VALUE RECEIVED, BIOMED REALTY, L.P., a Maryland limited partnership (“Borrower”), promises to pay to the order of ___________________________________ (“Lender”) the amount of Competitive Bid Advances made by Xxxxxx and outstanding under the Credit Agreement hereinafter described, payable as hereinafter set forth. Xxxxxxxx promises to pay interest on the principal amount hereof remaining unpaid from time to time from the date hereof until the date of payment in full, payable as set forth in the Credit Agreement.

Reference is made to the Amended and Restated Unsecured Credit Agreement of even date herewith among Borrower, Administrative Agent and the Lenders (as it may have been or may hereafter be amended, amended and restated, modified, supplemented or renewed from time to time, the “Credit Agreement”). Terms defined in the Credit Agreement and not otherwise defined herein are used herein with the meanings ascribed to those terms in the Credit Agreement. This is one of the Competitive Bid Notes referred to in the Credit Agreement, and any holder hereof is entitled to all of the rights, remedies, benefits and privileges provided for in the Credit Agreement. The Credit Agreement, among other things, contains provisions for acceleration of the maturity hereof upon the happening of certain stated events upon the terms and conditions therein specified.

The principal indebtedness evidenced by this Competitive Bid Note shall be payable and prepayable as provided in the Credit Agreement and in any event on the Maturity Date (which shall be March 24, 2018, subject to extension as provided in Section 2.10 of the Credit Agreement).

[This Competitive Bid Note wholly amends and restates in its entirety that certain Competitive Bid Note dated as of July 14, 2011 made by Xxxxxxxx to the order of Lender.]

Interest shall be payable on the outstanding daily unpaid principal amount of each Competitive Bid Advance outstanding hereunder from the date such Competitive Bid Advance was made until payment in full, and shall accrue and be payable at the rates and on the dates set forth in the Credit Agreement both before and after default and before and after maturity and judgment.

The amount of each payment hereunder shall be made to Lender at Administrative Agent's office (as designated by Administrative Agent from time to time), for the account of Bank, in Dollars and in immediately available funds not later than 2:00 p.m., Cleveland time, on the day of payment (which must be a Banking Day). All payments received after 2:00 p.m., Cleveland time, on any Banking Day, shall be deemed received on the next succeeding Banking Day. Lender shall keep a record of Competitive Bid Advances made by it and payments of principal with respect to this Competitive Bid Note, and such record shall be presumptive evidence of the principal amount owing under this Competitive Bid Note, absent manifest error.

Without limiting any applicable provisions of the Credit Agreement, Borrower hereby promises to pay all costs and expenses of any holder hereof incurred in collecting Borrower's obligations hereunder or in enforcing or attempting to enforce any of holder's rights hereunder, including reasonable attorneys' fees, whether or not an action is filed in connection therewith.

Borrower hereby waives presentment, demand for payment, dishonor, notice of dishonor, protest, notice of protest, and any other notice or formality, to the fullest extent permitted by applicable Laws.

Assignment of this Competitive Bid Note is subject to the consent of certain parties pursuant to Section 11.8 of the Credit Agreement.

This Competitive Bid Note shall be delivered to and accepted by Lender in the State of New York, and shall be governed by, and construed and enforced in accordance with, the internal Laws thereof without regard to the choice of law provisions thereof.

“Borrower”

BIOMED REALTY, L.P., a Maryland limited partnership

By: BioMed Realty Trust, Inc., its sole general

Partner

By:    _______________________________                        

Name:    _______________________________                        

Title:    _______________________________