Intimation of Closure of trading window for the half year ended 30th September, 2026.

Date: 28-09-2026 BSE Limited Corporate Relations Department 2nd Floor, P. J. Towers Dalal Street Mumbai – 400 001 Scrip Code: 544310 Re: ISIN- INE00GK01023 Sub: Intimation of Closure of Trading Window Dear Sir/ Madam, Pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended, we would like to inform you that the Trading Window for dealing in the Securities of the Company shall remain closed for all Insiders including Directors/ Designated Persons/ Connected Persons covered under the Code of Conduct of the Company adopted under SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended from Thursday, 01st October 2026 till completion of 48 hours after the declaration of the unaudited financial results for the half year ending on 30th September 2026 by the Board of Directors of the Company. Accordingly, all Directors/ Designated Persons/ Connected Persons under the Code have been advised not to trade in the Securities of the Company during the aforesaid period of closure of the Trading Window. The date of Board Meeting for consideration and approval of Unaudited financial results for the half year ended on 30th September 2026 shall be intimated in due course. Thanking you, Yours sincerely, For Yash Highvoltage Limited Bhoomi Talati Company Secretary & Compliance o(cid:431)icer FCS: 12828