X0306 4 2021-06-04 0001121788 GARMIN LTD GRMN 0001582992 LEWIS CATHERINE A. 5325 NORTHGATE CROSSING LEE?S SUMMIT MO 64064 1 Registered Shares 2021-06-04 4 A 0 1045 0 A 4142 D Registered Shares 2021-06-05 4 F 0 399 143.64 D 3743 D Shares acquired pursuant to a grant of restricted stock units under the Garmin Ltd. 2011 Non-Employee Directors' Equity Incentive Plan. The award vests on June 4, 2022. Includes (a) the 1,045 unvested shares acquired pursuant to the grant of the restricted stock unit award described in Footnote 1 and (b) a total of 1,594 additional unvested shares that were acquired pursuant to previously granted restricted stock unit awards. On June 5, 2021, 1,594 shares that were acquired pursuant to an award of restricted stock units on June 5, 2020 vested and were released to the reporting person. Of these 1,594 shares, 399 were withheld to pay a resulting tax liability. Includes 1,045 unvested shares that were acquired pursuant to a previously granted restricted stock unit award. /s/ Paul E. Cassat, Attorney-in-Fact 2021-06-07