144 0001448074 XXXXXXXX LIVE 0000001800 ABBOTT LABORATORIES 001-02189 100 ABBOTT PARK ROAD ABBOTT PARK IL 60064 224-667-6100 Robert J. Alpern Retired Director Common UBS Financial Services, Inc.

1000 Harbor Blvd. 3rd Floor Weehawken NJ 07086

29211 2703457 1737682887 04/27/2026 NYSE Common 04/24/2009 Restricted Stock Units Issuer N 2465 04/27/2026 N/A Common 04/23/2010 Restricted Stock Units Issuer N 2108 04/27/2026 N/A Common 04/29/2011 Restricted Stock Units Issuer N 2167 04/27/2026 N/A Common 04/27/2012 Restricted Stock Units Issuer N 1819 04/27/2026 N/A Common 04/26/2013 Restricted Stock Units Issuer N 2281 04/27/2026 N/A Common 04/24/2015 Restricted Stock Units Issuer N 2793 04/27/2026 N/A Common 04/27/2018 Restricted Stock Units Issuer N 2945 04/27/2026 N/A Common 04/26/2019 Restricted Stock Units Issuer N 2241 04/27/2026 N/A Common 04/24/2020 Restricted Stock Units Issuer N 1974 04/27/2026 N/A Common 04/23/2021 Restricted Stock Units Issuer N 1499 04/27/2026 N/A Common 04/29/2022 Restricted Stock Units Issuer N 1602 04/27/2026 N/A Common 04/28/2023 Restricted Stock Units Issuer N 1816 04/27/2026 N/A Common 04/26/2024 Restricted Stock Units Issuer N 1866 04/27/2026 N/A Common 04/25/2025 Restricted Stock Units Issuer N 1635 04/27/2026 N/A Y 04/27/2026 /s/ Robert J. Alpern by Aaron N. Rice , Attorney-in-Fact