144 0001182395 XXXXXXXX LIVE 0000810136 Photronics, Inc. 001-39063 15 Secor Road Brookfield CT 06804 203-740-5280 George Macricostas 2013 Tr Dtd 12/24/13 Officer Common UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

109194 4756490.64 58966394 04/08/2026 Nasdaq Common 01/03/2018 Board Compensation Issuer N 3000 01/03/2018 n/a common 01/29/2018 board compensation issuer N 72 01/29/2018 n/a common 02/07/2018 board compensation issuer N 122 02/07/2018 n/a common 04/02/2018 board compensation issuer N 3000 04/02/2018 n/a common 07/02/2018 board compensation issuer N 3000 07/02/2018 n/a common 10/02/2018 board compensation issuer N 3000 10/02/2018 n/a common 01/02/2019 board compensation issuer N 3000 01/02/2019 n/a common 04/02/2019 board compensation issuer N 2000 04/02/2019 n/a common 07/02/2019 board compensation issuer N 3000 07/02/2019 n/a common 10/02/2019 board compensation issuer N 3000 10/02/2019 n/a common 01/02/2020 board compensation issuer N 3000 01/02/2020 n/a common 07/02/2020 board compensation issuer N 3000 07/02/2020 n/a common 04/07/2020 board compensation issuer N 2500 04/07/2020 n/a common 01/27/2026 employee compensation issuer N 17500 01/27/2026 n/a Common 10/02/2020 Board Compensation Issuer N 3000 10/02/2020 n/a common 01/04/2021 Board Compensation Issuer N 3000 01/04/2021 n/a Common 04/01/2021 Board Compensation Issuer N 3000 04/01/2021 n/a Common 07/02/2021 Board Compensation Issuer N 3000 07/02/2021 n/a Common 10/01/2021 Board Compensation Issuer N 3000 10/01/2021 n/a Common 01/03/2022 Board Compensation Issuer N 3000 01/03/2022 n/a Common 04/01/2022 Board Compensation Issuer N 3000 04/01/2022 n/a common 07/01/2022 Board Compensation Issuer N 3000 07/01/2022 n/a Common 10/03/2022 Board Compensation Issuer N 3000 10/03/2022 n/a Common 01/03/2023 Board Compensation Issuer N 3000 01/03/2023 n/a Common 04/03/2023 Board Compensation Issuer N 3750 04/03/2023 n/a common 07/03/2023 Board Compensation Issuer N 3750 07/03/2023 n/a Common 10/05/2023 Board Compensation Issuer N 3750 10/05/2023 n/a Common 01/03/2024 Board Compensation Issuer N 3750 01/03/2024 n/a Common 04/03/2024 Board Compensation Issuer N 3750 04/03/2024 n/a Common 07/05/2024 Board Compensation Issuer N 3750 07/05/2024 n/a Common 10/03/2024 Board Compensation Issuer N 3750 10/03/2024 n/a Common 01/03/2025 Board Compensation Issuer N 3750 01/03/2025 n/a N George Macricostas

19300 Loxahatchee River Road Jupiter FL 33458

Common 04/08/2026 12000 517164 The George Macricostas 2013 Trust is the seller, George Macricostas is the Trustee of the trust, and he also serves as the Chairman and CEO of PLAB. 04/08/2026 /s/Mijo Suric, for UBS Financial Services Inc, as attorney-in-fact for George Macricostas 2013 Tr Dtd 12/24/13