Trading window closure for financial results for the quarter and half year ending September 30, 2026.

September 25, 2026 The Department of Corporate Services, BSE Limited, Mumbai The Listing Compliance Dept. National Stock Exchange of India Ltd, Mumbai BSE Script Code: 531795 NSE Script Symbol: ATULAUTO Dear Sir/ Madam, SUB: INTIMATION OF CLOSURE OF TRADING WINDOW AS PER THE SEBI (PROHIBITION OF INSIDER TRADING) REGULATIONS, 2015 FOR QUARTER AND HALF YEAR ENDING ON SEPTEMBER 30, 2026 In terms of provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended and Company’s Code of Conduct to regulate, monitor and report trading by Designated Persons, the Trading Window for dealing in securities of the Company by Designated Persons shall remain closed from October 01, 2026 till 48 hours after the declaration of the financial results for the quarter and half year ending on September 30, 2026 for all designated persons of the Company. The date of the Board Meeting at which the said results will be considered shall be intimated in due course of time. Please take the same on your records. Thanking you. Yours faithfully, For Atul Auto Limited Paras J Viramgama Company Secretary & Compliance Officer ATUL AUTO LIMITED (Corporate Identification Number: L54100GJ1986PLC016999) Regd. Office & Factory: National Highway 8-B, Near Microwave Tower, Shapar (Veraval), Rajkot - 360024 (Gujarat) Phone: 02827-252999 Website: www.atulauto.co.in E-Mail: info@atulauto.co.in