Atlanta, GA -October 29, 2012 - Piedmont Office Realty Trust (NYSE: PDM), an owner of Class A commercial office properties located primarily in the ten largest U.S. office markets, today announced revised call in numbers for the Company's conference call to discuss third quarter 2012 financial results, scheduled for Thursday, November 1, 2012, at 10:00 a.m. Eastern daylight time.  The revised numbers are being issued as a precautionary measure to avoid potential weather related interruptions with the Company's conference call service provider located in New Jersey.  During the audio webcast and conference call, the Company's management team will review third quarter performance, discuss recent events and conduct a question-and-answer period.  

To Listen to the Conference Call via Webcast:
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 Telephonically:
Dial in at least five minutes prior to start time.
Domestic:  (877) 941-8418
International:  (480) 629-9809
Conference ID:  4573746

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

To Listen to the Replay Telephonically:
Domestic:  (877) 870-5176
International:  (858) 384-5517
Pass code:  4573746
The playback can be accessed through November 15, 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 September 30, 2012, Piedmont's 74 wholly-owned office buildings were comprised of approximately 20 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 $1.7 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:
Computershare, Inc.
866-354-3485
investor.services@piedmontreit.com