X0306 4 2019-12-27 0000810136 PHOTRONICS INC PLAB 0001281797 TYSON MITCHELL G 15 SECOR ROAD BROOKFIELD CT 06804 true Common Stock 2019-12-27 4 S 0 750 15.93 D 73379 D The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan adopted by Mr. Tyson. This transaction was executed in multiple trades. The price reported above reflects the weighted average sale price. The reporting person undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and the prices at which the transaction was effected. /s/ Richelle E. Burr, attorney-in-fact for Mitchell G. Tyson 2019-12-31