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CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER
PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
I, James C. Smith, certify that:
| 1. | I have reviewed this Amendment No. 1 to the annual report on Form 40-F/A of Thomson Reuters Corporation; 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. |
Date: March 27, 2019
| /s/ James C. Smith |
| James C. Smith |
| President and Chief Executive Officer |