X0303 4 2009-07-30 0000810136 PHOTRONICS INC PLAB 0000900574 MACRICOSTAS CONSTANTINE S 15 SECOR ROAD BROOKFIELD CT 06804 1 1 CEO & President Common Stock 2009-07-30 2009-07-30 4 S 0 100 5.20 D 2105600 I Owned By Limited Partnership Common Stock 153746 D Common Stock 50618 I Owned By Corporation Common Stock 34000 I Owned By Wife Represents all of the shares held by a limited partnership of which Mr. Macricostas owns limited partnership interests. Mr. Macricostas disclaims beneficial ownership of those shares not represented by his limited partnership interests. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on July 17, 2009. Represents all of the shares held by a corporation of which Mr. Macricostas owns a significant interest. Mr. Macricostas disclaims beneficial ownership of those shares not represented by his ownership interest. This corporation serves as the general partner of limited partnership referred to above. Mr. Macricostas disclaims beneficial ownership of these shares. /s/ Richelle E. Burr, attorney-in-fact for Constantine S. Macricostas 2009-08-02