144 0001969219 XXXXXXXX LIVE 0001075124 Thomson Reuters Corporation 001-31349 19 Duncan Street Toronto A6 M5H 3H1 4163648700 David Wong Officer Common Shares UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

3000 295830 433224578 08/06/2026 Nasdaq Common Shares 03/10/2026 Vesting of Restricted Share Units Thomson Reuters Corporation N 3000 08/06/2026 NA Y As of August 4, 2026, we had outstanding 433,224,578 common shares as indicated in Exhibit 99.1 to Thomson Reuters Corporation Form 6-K dated August 4, 2026. 08/06/2026 /s/JOSEPH CASSIDY, for UBS Financial Services Inc, as attorney-in-fact for David Wong