PDM to Participate in NAREIT REITWeek

ATLANTA- June 6, 2016 - Piedmont Office Realty Trust (the "Company" or "Piedmont") PDM, a real estate investment trust, announced today that Donald A. Miller, CFA, President and Chief Executive Officer, Brent Smith, Executive Vice President, Capital Markets, and Edward Guilbert, Senior Vice President of Finance and Treasurer, will participate in a roundtable moderated by Jed Reagan, Senior Analyst at Green Street Advisors, during the National Association of Real Estate Investment Trusts' REITWeek(TM) Investor Forum in New York City. The roundtable is scheduled to begin at approximately 8:00 a.m. Eastern Time on Wednesday, June 8, 2016, and conclude approximately 30 minutes later.

During the conference, company executives intend to discuss the Company's current operating trends, portfolio strategy, financial outlook, and other business and financial matters affecting the Company. Piedmont will post related materials for investors and analysts in the Investor Relations section of the Company's website at www.piedmontreit.com under the heading "Featured Presentations". The materials will be accessible beginning at approximately 4:00 pm Eastern time on June 6, 2016.

About Piedmont:   
Piedmont Office Realty Trust, Inc. PDM is an owner, manager, developer, and operator of high-quality, Class A office properties located in select sub-markets of major U.S. cities. Its geographically-diversified, over $5 billion portfolio is comprised of approximately 20 million square feet. The Company is a fully-integrated, self-managed real estate investment trust (REIT) with local management offices in each of its major markets and is investment-grade rated by Standard & Poor's (BBB) and Moody's (Baa2). For more information, see www.piedmontreit.com.

Contacts:
Research Analysts/ Institutional Investors:
Eddie Guilbert
770-418-8592
research.analysts@piedmontreit.com

Shareholder Services/Transfer Agent Services:
Computershare, Inc.
866-354-3485
investor.services@piedmontreit.com