【Photronics】Announcement of the Board of Directors' resolution on matters related to the 2026 Annual Shareholders' Meeting (additional agenda items added)

1. Date of Board of Directors' resolution: May 6, 2026
2. Date of shareholders' meeting: June 18, 2026
3. Location of shareholders' meeting: 2nd floor meeting room, Taiwan Semiconductor Industry Association (2F, No. 2, Zhanye 1st Rd., East Dist., Hsinchu City)
4. Method of shareholders' meeting (physical/video-assisted/video): Physical shareholders' meeting
5. Agenda Item 1: Reporting matters
(1): The Company's 2025 Business Report.
(2): The Company's 2025 Audit Committee's review report on financial statements.
(3): Report on the Company's and its subsidiaries' 2025 endorsement and guarantee procedures.
(4): Report on the Company's 2025 private placement of securities.
6. Agenda Item 2: Approval matters
(1): The Company's 2025 Business Report and Financial Statements.
(2): The Company's 2025 capital deficit replenishment plan.
(3): The Company's additional use of funds for 2025 private placement of securities.
7. Agenda Item 3: Discussion matters
(1): The Company's 2025 "Evaluation Opinion Letter on the Necessity and Rationality of Engaging Underwriters for Private Placement of Securities."
(2): The Company's proposed private placement of common shares.
8. Agenda Item 4: Election matters
(1): Complete re-election of directors.
9. Agenda Item 5: Other matters
(1): Proposal to lift non-compete restrictions for the Company's new directors and their representatives.
10. Extraordinary motions: None.
11. Book closure start date: April 20, 2026
12. Book closure end date: June 18, 2026
13. Other matters to be specified: Added: Discussion items No. 1 and No. 2, and other item No. 1.