Columbia Property Trust Announces Anticipated Closing Date of Pending Merger and Declares Special Dividend of $2.17 per share

Columbia Property Trust, Inc. (NYSE:CXP) today announced that it expects to complete its previously announced merger (the "Merger") with affiliates of funds managed by Pacific Investment Management Company LLC ("PIMCO") on or around December 8, 2021. The completion of the Merger remains subject to certain customary closing conditions, including, among other things, approval of the Merger by Columbia stockholders.

As previously disclosed, in connection with the Merger, Columbia has agreed, at the request of an affiliate of PIMCO, to declare a special cash dividend to holders of Columbia common stock, and the merger consideration of $19.30 per share in cash will be decreased by an amount equal to the per share amount of the special dividend, such that holders of common stock will receive an aggregate of $19.30 per share in cash in merger consideration and the special dividend. On November 29, 2021, the Board of Directors declared a special cash dividend of $2.17 per share, which will be paid on December 8, 2021, to stockholders of record as of December 8, 2021, in connection with the completion of the Merger and contingent upon the completion of the certain sale transactions contemplated in connection with the Merger.

This special dividend is in addition to the Company's regular quarterly cash dividend, last paid in September 2021.

For additional information regarding the proposed transaction, please consult the definitive proxy statement filed by Columbia with the U.S. Securities and Exchange Commission on October 26, 2021.

About Columbia Property Trust

Columbia Property Trust (NYSE:CXP) creates storied properties for legendary companies in New York, San Francisco, Washington D.C., and Boston. The Columbia team is deeply experienced in transactions, asset management and repositioning, leasing, development, and property management. It employs these competencies to grow value across its high-quality, well-leased office portfolio of 15 properties that contain more than six million rentable square feet, as well as four properties under development, and also has more than eight million square feet under management for private investors and third parties. Columbia has investment-grade ratings from both Moody's and S&P Global Ratings and has been named one of Fortune's "Best Workplaces in New York 2021" among Small and Medium-sized employers, as well as one of the "Best Places to Work in NYC 2020" by Crain's New York. For more information, please visit www.columbia.reit.

Forward-Looking Statements:

Certain statements in this communication may constitute forward-looking statements of Columbia within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These forward-looking statements are based on management's current expectations and involve a number of risks and uncertainties. Some of the factors that may affect outcomes and results include, but are not limited to: (i) risks associated with Columbia's ability to obtain the stockholder approval required to consummate the proposed transaction and the timing of the closing of the proposed transaction, including the risks that the conditions to closing will not be satisfied within the expected timeframe or at all, or that the closing of the proposed transaction will not occur, (ii) the outcome of any legal proceedings that may be instituted against the parties and others related to the proposed transaction, (iii) unanticipated difficulties or expenditures relating to the proposed transaction, the response of business partners and competitors to the announcement of the proposed transaction, and/or potential difficulties in employee retention as a result of the announcement and pendency of the proposed transaction, (iv) changes affecting the real estate industry and changes in financial markets, interest rates and foreign currency exchange rates, (v) maintenance of real estate investment trust ("REIT") status, (vi) availability of financing and capital, to Columbia and/or in connection with the proposed transaction, (vii) changes in demand for developed properties, (viii) changes in national, international, regional and local economic climates, and (ix) those additional risks and uncertainties set forth in Columbia 's filings with the U.S. Securities and Exchange Commission ("SEC"), including its most recent annual report on Form 10-K. Columbia cautions readers not to place undue reliance on these forward-looking statements, which are based on current expectations and speak as of the date of such statements. Columbia makes no representations or warranties (express or implied) about the accuracy of, nor do they intend to publicly update or revise any such forward-looking statements contained herein, whether as a result of new information, future events or otherwise, except for such updates as may be required by law.

Important Additional Information and Where to Find It

This communication relates to the proposed transaction involving Columbia. In connection with the proposed transaction, Columbia has filed relevant materials with the SEC, including a definitive proxy statement (the "Proxy Statement"). This communication is not a substitute for the Proxy Statement or for any other document that Columbia may file with the SEC and send to Columbia's stockholders in connection with the proposed transaction. INVESTORS AND SECURITY HOLDERS OF COLUMBIA ARE STRONGLY ENCOURAGED TO READ THE PROXY STATEMENT AND OTHER DOCUMENTS FILED WITH THE SEC CAREFULLY AND IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE AS THEY WILL CONTAIN IMPORTANT INFORMATION. Stockholders may obtain the Proxy Statement, any amendments or supplements to the Proxy Statement and other documents filed by Columbia with the SEC for no charge at the SEC's website at www.sec.gov. Copies will also be available at no charge in the Investors section of Columbia's corporate website at www.columbia.reit.

Participants in the Solicitation

Columbia, its directors and certain of its executive officers may be deemed to be participants in the solicitation of proxies with respect to the proposed transaction. Information regarding the names of Columbia's directors and executive officers and certain other individuals and their respective interests in Columbia by security holdings or otherwise is set forth in the Annual Report on Form 10-K of Columbia for the fiscal year ended December 31, 2020, which was filed with the SEC on February 18, 2021, its proxy statement for its 2021 annual meeting of stockholders, which was filed with the SEC on April 8, 2021, the Proxy Statement which was filed with the SEC on October 26, 2021 and other filings filed with the SEC. Additional information regarding the participants in the proxy solicitations and a description of their direct and indirect interests, by security holdings or otherwise, will be included in other relevant materials to be filed with the SEC when they become available.

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