Please find enclosed, intimation of closure of trading window.

Date: 28th September, 2026 To, To, BSE Limited, National Stock Exchange of India Limited P. J. Towers, Dalal Street, Fort, Exchange Plaza, Bandra – Kurla Complex, Mumbai – 400 001 Bandra (East), Mumbai – 400 051 Ref.: BSE Scrip Code No. “533138” Ref.: “ASTEC” Debt Segment NSE: NCD-ASTEC-ISIN: INE563J08023 Dear Sir/Madam, Sub.: Intimation of Closure of Trading Window for the Quarter and Half Year ending 30th September, 2026 This is to inform you that as per the Company’s Code of Conduct for Prohibition of Insider Trading, framed pursuant to the Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015, the Trading Window for dealing in the securities of the Company will be closed with effect from Thursday, 1st October, 2026 till 48 (forty-eight) hours after the declaration of the Unaudited Financial Results of the Company for the Quarter and Half Year ending on 30th September, 2026. Accordingly, all Officers and Designated Employees (including Directors and Auditors) of the Company have been intimated not to trade (buy / sale / gift / pledge / unpledge, etc.) in Equity Shares of the Company during the period stated above. Kindly take the above information on your records. Thanking you, Yours sincerely, For Astec LifeSciences Limited Tejashree Pradhan Company Secretary & Compliance Officer (FCS 7167)