We inform the Exchange regarding the closure of the trading window for the designated persons and their immediate relatives from October 01, 2026 upto 48 hours from the declaration of financial results for the quarter ended September 30, 2026. Detailed letter is enclosed.

September 28, 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, 5th Floor, 14th Floor, PJ Towers, Bandra Kurla Complex, Dalal Street, Mumbai 400051 Mumbai 400001 SYMBOL: SEPC Scrip Code: 532945 Dear Sir/Madam, Sub: Intimation of Trading Window Closure for Designated Persons and their Immediate Relatives under SEBI (Prohibition of Insider Trading) Regulations, 2015 This is to inform you that in accordance with the Company’s Code of Conduct to regulate, monitor and report trading by Designated Persons and their immediate relatives and pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015 as amended from time to time read with SEBI Circular SEBI/HO/ISD/ISD-PoD-2/P/CIR/2023/124 dated July 19, 2023, the trading window for dealing in securities of the Company by the Designated Persons and their immediate relatives shall remain closed from October 01, 2026 and till 48 hours after the declaration of financial results of the Company for the quarter ended September 30, 2026. The date of the Board meeting in which financial results for the quarter ended September 30, 2026, would be considered, shall be intimated in due course. We request you to take the same on record. Thanking you, Yours faithfully, For SEPC Limited T Sriraman Company Secretary & Compliance Officer