144 0001530893 XXXXXXXX LIVE 0000001800 ABBOTT LABORATORIES 001-02189 100 ABBOTT PARK ROAD ABBOTT PARK IL 60064 (224) 667-6100 Lisa D. Earnhardt Officer Common UBS Financial Services, Inc.

1000 Harbor Blvd. 3rd Floor Weehawken NJ 07086

91167 12199967 1734323411 03/06/2025 NYSE Common 03/06/2025 Exercise of Stock Options Issuer N 91167 03/06/2025 N/A Y 03/06/2025 Aaron N. Rice, by Power of Attorney for Lisa D. Earnhardt