144 0001236725 XXXXXXXX LIVE 0001274494 First Solar, Inc. 001-33156 350 West Washington Street Suite 600 Tempe AZ 85288 (602) 414-9300 Paul Stebbins Director Common Stock LPL Financial

1055 LPL Way Fort Mill SC 29715

4000 1007000 107041420 05/23/2024 NASDAQ Common Stock 12/31/2013 Stock award Issuer N 572 12/31/2013 Compensation Common Stock 07/05/2018 Stock award Issuer N 760 07/05/2018 Compensation Common Stock 03/31/2019 Stock award Issuer N 758 03/31/2019 Compensation Common Stock 10/03/2019 Stock award Issuer N 557 10/03/2019 Compensation Common Stock 12/31/2019 Stock award Issuer N 715 12/31/2019 Compensation Common Stock 07/02/2020 Stock award Issuer N 431 07/02/2020 Compensation Common Stock 04/03/2023 Stock award Issuer N 207 04/03/2023 Compensation N Paul Stebbins

c/o First Solar Inc 350 West Washington Street, Suite 600 Tempe AZ 85288

Common Stock 03/01/2024 5000 769450 05/23/2024 /s/ Paul Stebbins