Trading Window Closure

ASSTON PHARMACEUTICALS LIMITED (FORMERLY KNOWN AS ASSTON PHARMACEUTICALS PRIVATE LIMITED) Date: 27th September, 2026 BSE Limited Listing / Compliance Department, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai, 400001 BSE Code: 544445 ISIN: INE0SJX01015 Sub: - Intimation of Closure of Trading Window. Dear Sir/Madam, In terms of Company’s Code of Conduct to regulate, Monitor and Report trading by an Insider and Pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015 (As amended time to time), we wish to inform you that the trading window for dealing in securities of the company shall remain closed for all the designated persons of the company from 01st October, 2026 till the completion of 48 hours from the declaration of Unaudited financial results of the company for the Half Year Ended 30th September, 2026. All the Directors, KMP’s, Designated Persons, any connected person, Insider, and their immediate relatives are advised not to trade/deal in the shares of the company directly or indirectly during the mentioned period. The date of the meeting of the Board of Directors to approve the Unaudited Financial Results of the company for the half year ended 30th September, 2026, will be intimated in due course. This is for your information and record, please. Thanking you. For and on behalf of the Board of Directors Asston Pharmaceuticals Limited Rishi Upadhaya Company Secretary and Compliance Officer A74324 CIN: U24304MH2019PLC324187 Reg. Office- 4th Floor Office No A-431 Balaji Bhavan, Plot No 42a Sector-11 CBD Belapur, Navi Mumbai, Thane, Maharashtra, 400614, India Phone No.: 022-49731419 / 49731411, Email id: aston.tech14@gmail.com Web: www.asstonpharmaceuticals.com