We hereby submitting intimation of closure of trading window for the quarter ended on 30th September, 2026.

DATE-28.09.2026 The Department of Corporate Affairs, Bombay Stock Exchange Limited, P J Towers, Dalal Street Mumbai Sub.: Intimation of closure of trading window as per clause 4 of PIT Regulation, 2015. Ref.: BSE Script code: - 541627 Dear Sir, We wish to inform you that pursuant to the applicable provisions of Securities and Exchange Board of India (Prohibition of Insider Trading) Regulation, 2015 as amended and the Company’s Code of Conduct to Regulate, Monitor and Report Trading by Insiders, the Trading Window for dealing in Securities of the Company shall remain closed from 1st October, 2026 till end of 48 hours from the submission of financial result for the quarter ended 30th September, 2026. Accordingly, all Designated Persons and their immediate relatives are being intimated not to enter into any transaction involving dealing/trading in shares of the Company during the aforesaid period of closure of Trading Window. Kindly acknowledge the same and take on your records. Thanking You. For, Gujarat Winding Systems Limited (Formerly known as Hi-tech Winding Systems Limited) Anita Ramchandani Company Secretary M No. A62516