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

22852 2428118 1739633759 05/07/2024 NYSE Common 06/10/2022 Restricted Stock Unit Issuer N 19923 05/07/2024 N/A Common 06/10/2022 Restricted Stock Award Issuer N 2929 05/07/2024 N/A N Lisa. D. Earnhardt

100 Abbott Park Road Abbott Park IL 60064

Common 03/01/2024 694 82239 05/07/2024 Aaron N. Rice, by Power of Attorney for Lisa D. Earnhardt