PLAB · Quarterly Report (Form 10-Q) · Filed June 11, 2026

Photronics Inc — 10-Q exhibit

ef20070467_ex32-1.htm

EXHIBIT 32.1

Section 1350 Certification of the Chief Executive Officer

I, George C. Macricostas, Chief Executive Officer of Photronics, Inc. (the “Company”), certify, to my knowledge, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

(1)	The Quarterly Report on Form 10-Q of the Company for the fiscal quarter ended May 3, 2026 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)	The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

The foregoing certification is being furnished pursuant to 18 U.S.C. § 1350 and will not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liability of that section. Such certification will not be deemed to be incorporated by reference into any filing under the Securities Act or the Exchange Act, except to the extent that the registrant specifically incorporates it by reference.

/s/ GEORGE C. MACRICOSTAS

George C. Macricostas
Chief Executive Officer
(Principal Executive Officer)
June 11, 2026

Disclaimer

The opinions and information contained herein have been obtained or derived from sources believed to be reliable, but Boardroom Alpha cannot guarantee its accuracy and completeness, and that of the opinions based thereon.

This report contains opinions and is provided for informational purposes only – it does not constitute investment, legal or tax advice. You should not rely solely upon the research herein for purposes of transacting securities or other investments, and you are encouraged to conduct your own research and due diligence, and to seek the advice of a qualified securities professional before you make any investment.

None of the information contained in this report constitutes, or is intended to constitute a recommendation by Boardroom Alpha of any particular security or trading strategy or a determination by Boardroom Alpha that any security or trading strategy is suitable for any specific person. To the extent any of the information contained herein may be deemed to be investment advice, such information is impersonal and not tailored to the investment needs of any specific person.

No representation or warranty, expressed or implied, is made on behalf of Boardroom Alpha as to the accuracy or completeness of the information contained herein. Boardroom Alpha does not accept any liability for any direct, indirect or consequential loss or damage suffered by any person as a result of relying on all or any part of this research and any liability is expressly disclaimed.

Full disclaimer