EXHIBIT 31.1
PRINCIPAL EXECUTIVE OFFICER CERTIFICATION
PURSUANT TO
SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
I, Donald A. Miller, CFA, certify that:
| 1. | I have reviewed this annual report on Form 10-K/A of Piedmont Office Realty Trust, Inc.; and |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
Dated: July 20, 2009
| By: | /s/ DONALD A. MILLER, CFA | |
Donald A. Miller, CFA Principal Executive Officer |
