Exhibit 31.1
CERTIFICATION OF CHIEF EXECUTIVE OFFICER
PURSUANT TO RULE 13a-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934
I, Edward K. Aldag, Jr., certify that:
| 1) | I have reviewed this annual report on Form 10-K/A of Medical Properties Trust, Inc. |
| 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; |
| 3) | Based on my knowledge, the other financial information included in this report is fairly presented in all material respects as of, and for, the periods presented in this report. |
| Date: September 21, 2012 | /s/ Edward K. Aldag, Jr. | |||
| Edward K. Aldag, Jr. | ||||
| Chairman, President and Chief Executive Officer |
