144 0001902362 XXXXXXXX LIVE 0001075124 Thomson Reuters Corporation 001-31349 19 Duncan Street Toronto A6 M5H 3H1 4163648700 Laura Clayton Officer Common Shares UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

4458 429483.72 443853252 03/16/2026 NASDAQ Common Shares 03/10/2026 PSU Vest Thomson Reuters Corporation N 2226 03/16/2026 NA Common Shares 05/10/2024 RSU Vest Thomson Reuters Corporation N 1922 03/16/2026 NA Common Shares 05/10/2025 RSU Vest Thomson Reuters Corporation N 310 03/16/2026 NA Y The 443,853,252 Common Shares of Thomson Reuters Corporation outstanding are as of March 6, 2026, as indicated in Exhibit 99.2 to Thomson Reuters Corporation's Form 6-K dated March 13, 2026. 03/16/2026 /s/JOSEPH CASSIDY, for UBS Financial Services Inc, as attorney-in-fact for Laura Clayton