X0508 4 2023-12-15 0001121788 GARMIN LTD GRMN 0001533581 Straub Philip 1200 E. 151ST ST. OLATHE KS 66062 1 EVP, Man. Director - Aviation 0 Registered Shares 2023-12-15 4 F 0 2391 126.13 D 77393.5 D Registered Shares 2023-12-15 4 A 0 6213 0 A 83606.5 D On December 15, 2023, 5,386 shares that were acquired pursuant to previously granted restricted stock unit awards vested and were released to the reporting person. Of those 5,386 shares, 2,391 shares were withheld to pay the resulting tax liability. Includes 8,869 unvested shares acquired pursuant to previously granted restricted stock unit awards. On December 15, 2023 the reporting person received a grant of 6,213 restricted stock units, which vest in three equal annual installments, beginning on December 15, 2024. Includes 15,082 unvested shares acquired pursuant to the December 15, 2023 restricted stock unit award and previously granted restricted stock unit awards. /s/ Paul E. Cassat, Attorney-in-Fact 2023-12-19