144 0001257647 XXXXXXXX LIVE 0001051627 AXT, INC. 000-24085 4281 Technology Drive Fremont CA 94538 510-385-6205 Gary Fischer Officer Common Merrill Lynch

4900 Hopyard Road Ste. 140 Pleasanton CA 94588

102910 871647.7 46124935 11/03/2025 NYSE Common 11/05/2021 Restricted Stock Award AXT, INC. N 12768 11/05/2021 Restricted Stock Award Common 11/06/2021 Restricted Stock Award AXT, INC. N 23753 11/06/2021 Restricted Stock Award Common 10/27/2021 Restricted Stock Award AXT, INC. N 27720 10/27/2021 Restricted Stock Award Common 02/19/2022 Restricted Stock Award AXT, INC. N 29720 02/19/2022 Restricted Stock Award Common 03/14/2022 Restricted Stock Award AXT, INC. N 39340 03/14/2022 Restricted Stock Award Common 11/10/2022 Restricted Stock Award AXT, INC. N 44853 11/10/2022 Restricted Stock Award Common 11/05/2022 Restricted Stock Award AXT, INC. N 67240 11/05/2022 Restricted Stock Award Common 11/06/2022 Restricted Stock Award Axt, INC. N 78225 11/06/2022 Restricted Stock Award Common 02/19/2023 Restrited Stock Award AXT, INC. N 80225 02/19/2023 Restricted Stock Award Common 10/28/2024 Restricted Stock Award Axt, INC. N 89925 10/28/2024 Restricted Stock Award Common 02/19/2024 Restricted Stock Award AXT, INC. N 91925 02/19/2024 Restricted Stock Award Common 11/06/2023 Restricted Stock Award AXT, INC. N 102910 11/06/2023 Restricted Stock Award Y 11/03/2025 Gary Fischer