Atlanta, GA -January 6, 2012 - Piedmont Office Realty Trust (NYSE: PDM), an owner of Class A properties located primarily in the ten largest U.S. office markets, today announced that the Company will release its fourth quarter and annual 2011 financial results on Thursday, February 9, 2012, after the close of trading on the New York Stock Exchange.  An audio webcast and a conference call are scheduled for Friday, February 10, 2012, at 10:00 a.m. Eastern time.  During the audio webcast and conference call, the Company's management team will review fourth quarter and annual performance, discuss recent events and conduct a question-and-answer period.

To Listen to the Audio Webcast:
Click on the webcast link under the Investor Relations section of the Company's website at www.piedmontreit.com.

To Participate in the Telephone Conference Call:
Dial in at least five minutes prior to start time.
Domestic:  (877) 407-3982
International:  (201) 493-6780
Conference ID:  386588

To Listen to the Webcast Replay:
Click on the webcast link under the Investor Relations section of the Company's website at www.piedmontreit.com.

To Listen to the Conference Call Playback:
Domestic:  (877) 870-5176
International:  (858) 384-5517
Passcode:  386588
The playback can be accessed through February 24, 2012.

To Submit a Question:
Investors interested in submitting a question to the Company prior to the call should send their questions to the following email address: askpiedmont@piedmontreit.com. Company management will attempt to answer as many questions as time allows on the conference call.

About Piedmont Office Realty Trust

Piedmont Office Realty Trust, Inc. (NYSE:PDM) is a fully-integrated and self-managed real estate investment trust (REIT) specializing in high-quality, Class A office properties located primarily in the ten largest U.S. office markets, including Chicago, Washington, D.C., New York, Dallas, Los Angeles and Boston.  As of December 31, 2011, Piedmont's 79 wholly-owned office buildings were comprised of approximately 21 million rentable square feet. The Company is headquartered in Atlanta, GA, with local management offices in each of its major markets. Investment-grade rated by Standard & Poor's and Moody's, Piedmont has maintained a low-leverage strategy while transacting $5.9 billion and $1.6 billion in property acquisitions and dispositions, respectively, during its fourteen year operating history.  For more information, see www.piedmontreit.com.

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

Shareholder Services/Transfer Agent Services Contact:
The Bank of New York Mellon
866-354-3485
investor.services@piedmontreit.com