Chambers Street Properties (NYSE: CSG) (“Chambers Street” or the “Company”) announced today the preliminary results of its modified “Dutch Auction” tender offer for the purchase of up to $125 million in value of its Common Shares of Beneficial Ownership, par value $0.01 per share (the "Common Shares") from its shareholders, which expired at 5:00 p.m., New York City time, on June 19, 2013. Chambers Street announced that it was pleased to process the full amount of the tender offer as initially contemplated and meet the properly tendered requests submitted by tendering stockholders. Wells Fargo Securities, LLC and Citigroup Global Markets Inc. acted as the dealer managers for the tender offer. Based on the preliminary count by Computershare Trust Company, N.A., the paying agent and depositary for the tender offer, a total of 76,107,253 Common Shares were properly tendered and not properly withdrawn at or below the final purchase price of $10.10 per share, including 2,066,395 Common Shares that were tendered through notice of guaranteed delivery. Based on this preliminary count, the 76,107,253 Common Shares properly tendered and not properly withdrawn at or below the final purchase price of $10.10 per share represent approximately 30.57% of the Company's currently issued and outstanding Common Shares. In accordance with the terms and conditions of the tender offer, and based on the preliminary count by the paying agent and depositary, Chambers Street will accept for purchase 12,376,237 Common Shares properly tendered and not properly withdrawn prior to the expiration of the tender offer at a purchase price of $10.10 per share, for an aggregate cost of approximately $125 million, excluding fees and expenses relating to the tender offer. Based on this preliminary count, the 12,376,237 Common Shares to be accepted for purchase in the tender offer represent approximately 4.97% of Chamber Street’s currently issued and outstanding Common Shares. Based on these preliminary numbers, Chambers Street anticipates that, following settlement of the tender offer, it will have approximately 236,573,214 Common Shares outstanding.