CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
I, Scott W. Fordham, certify that:
1. I have reviewed this annual report on Form 10-K/A of TIER REIT, 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 this 16th day of April, 2019 | /s/ Scott W. Fordham | |
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| Name: | Scott W. Fordham |
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| Title: | Chief Executive Officer |