Brookfield Office Properties Extends Tender Offer for All Outstanding Preferred Shares of MPG Office Trust, Inc.

Brookfield Office Properties Inc.

announced today that DTLA Fund Holding Co., a direct wholly owned subsidiary of the DTLA Fund (defined below), is extending its previously announced cash tender offer to purchase all outstanding shares of preferred stock of MPG Office Trust, Inc.

until 12:00 midnight, New York City time, at the end of Friday, August 2, 2013. BPO previously announced its intention to acquire MPG pursuant to a merger agreement, dated as of April 24, 2013, by and among Brookfield DTLA Holdings LLC, a newly formed fund controlled by BPO (the DTLA Fund), Brookfield DTLA Fund Office Trust Investor Inc., Brookfield DTLA Fund Office Trust Inc., Brookfield DTLA Fund Properties LLC, MPG and MPG Office, L.P. Upon the closing of the tender offer, preferred stockholders of MPG will receive $25.00 in cash for each share of MPG preferred stock validly tendered and not validly withdrawn in the offer, without interest and less any required withholding taxes. Shares of MPG preferred stock that are tendered and accepted for payment in the tender offer will not receive any accrued and unpaid dividends on those shares. The tender offer had been previously set to expire at 12:00 midnight, New York City time, at the end of Wednesday, July 24, 2013. Except for the extension of the expiration date, all other terms and conditions of the tender offer remain unchanged. The Depositary and Paying Agent for the tender offer is American Stock Transfer & Trust Company, LLC, 6201 15th Avenue, Brooklyn, New York 11219. The Information Agent for the tender offer is MacKenzie Partners, Inc., 105 Madison Avenue, New York, New York 10016. The tender offer materials may be obtained at no charge by directing a request by mail to MacKenzie Partners, Inc. or by calling (800) 322-2885. Fried, Frank, Harris, Shriver & Jacobson LLP is acting as legal advisor to BPO. Based on information received from the Depositary, as of July 23, 2013, approximately 190,225 shares of MPG preferred stock had been tendered and not withdrawn from the offer. Stockholders who have already tendered their shares do not have to re-tender their shares or take any other action as a result of the extension of the expiration date. About Brookfield Office Properties Brookfield Office Properties owns, develops and manages premier office properties in the United States, Canada, Australia and the United Kingdom. Its portfolio is comprised of interests in 111 properties totaling 81 million square feet in the downtown cores of New York, Washington, D.C., Houston, Los Angeles, Denver, Seattle, Toronto, Calgary, Ottawa, London, Sydney, Melbourne and Perth, making it the global leader in the ownership and management of office assets. Landmark properties include Brookfield Places in New York City, Toronto and Perth, Bank of America Plaza in Los Angeles, Bankers Hall in Calgary, and Darling Park in Sydney. The company's common shares trade on the NYSE and TSX under the symbol BPO. For more information, visit www.brookfieldofficeproperties.com.