Exhibit 31.4
CERTIFICATION OF CHIEF FINANCIAL OFFICER
PURSUANT TO RULE 13a-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934
I, R. Steven Hamner, certify that:
| 1) | I have reviewed this annual report on Form 10-K of MPT Operating Partnership, L.P. |
| 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/ R. Steven Hamner | |||
| R. Steven Hamner | ||||
Executive Vice President and Chief Financial Officer of the Sole Member of the General Partner of MPT Operating Partnership, L.P. |