Trading Window

HEG/SECTT/2026 September 28, 2026 To To BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, C-1, Block- G, Dalal Street, Mumbai - 400 001 Bandra Kurla Complex, Bandra (East), SCRIP CODE: 509631 Mumbai - 400 051 SYMBOL: HEGAM Sub: Closure of Trading Window for the consideration of unaudited financial results for the quarter & half year ending 30th September, 2026 Dear Sir/Madam, Pursuant to the Code of Conduct for Regulating, Monitoring & Reporting Trading by Insiders of the Company under SEBI (Prohibition of Insider Trading) Regulations, 2015, we would like to inform you that the trading window for the purpose of trading in the shares of the Company by its Designated Person(s) (including their immediate relative(s)) and other connected person(s) of the Company shall remain closed from 1st October, 2026 till 48 (Forty Eight) hours (both days inclusive) after the announcement of unaudited financial results (“Trading Restriction Period”) for the quarter & half year ending 30th September, 2026. The date of the Board Meeting for the aforesaid purpose shall be intimated to you in due course. Kindly take the same on record. Yours truly, For HEG Advanced Materials Limited (formerly HEG Limited) Ravi Gupta Company Secretary & Compliance Officer FCS No.: 5731