Submission of Trading window closure Intimation.

ASTAL LABORATORIES LIMITED (Formerly known as MACRO INTERNATIONAL LIMITED) CIN: L74120UP1993PLC015605 Regd. Office: Office No. B7, A-40, Sector 4, Noida, Gautam Buddha Nagar, Uttar Pradesh 201301 Astal Laboratories Limited Corporate Office: House No 4-50 1 Sy No 134 132 Block B 8th Floor Flat No 801, The Platina Kondapur Road, Gachibowli, K.V.Rangareddy, Seri Lingampally, Telangana, India, 500032 SCRIP CODE: 512600, SECURITY ID: ASTALLTD, BSE India Email: meil100@rediffmail.com: Mob. No: 6302730973, Website: https://astallabs.com/ Date: 30-09-2026 The Deputy Manager (Department of Corporate Services) BSE Limited P. J. Towers Dalal Street, Mumbai- 400001 Subject: Intimation regarding Closure of Trading Window under the SEBI (Prohibition of Insider Trading) Regulation, 2015. Ref: Scrip Code: 512600 Security Id: ASTALLTD Respected Sir/Madam, Pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015, this is to inform that trading window for dealing in Securities of the Company will remain closed for all Directors, Officers, Designated Persons and their immediate relatives from 01st October, 2026 till 48 hours after the declaration of the unaudited financial results for the quarter & half year ended on 30th September, 2026. The date of Board Meeting to consider and take on record the unaudited financial results for the quarter & half year ended on 30th September, 2026 will be intimated separately. Accordingly, the Designated persons and their immediate relatives are advised not to trade in the securities of the Company during the aforesaid period of closure of Trading Window. You are requested to kindly take the same on record. Thanking You Yours Faithfully For Astal Laboratories Limited Mahendra Kumar (Company Secretary & Compliance officer) Membership No.: A71224