Intimation of Trading Window Closure from Thursday, October 01, 2026 until forty eight hours after declaration of Unaudited Financial Results for the quarter and half year ending September 30, 2026.

SUMMIT SECURITIES LIMITED Corporate Identification Number: L65921MH1997PLC194571 Registered Office: 213, Bezzola Complex, B Wing, 71, Sion-Trombay Road, Chembur, Mumbai - 400071 Tel Nos.: +91-22-46098668 / 69 Website : www.summitsecurities.net Email : investors@summitsecurities.net; compliance@summitsecurities.net September 25, 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, 5th Floor, Phiroze Jeejeebhoy Towers, Plot No C/1, G Block, Dalal Street, Fort, Bandra Kurla Complex, Mumbai – 400001 Bandra East, Mumbai - 400051 Re.: Security Code: 533306; Security ID/Symbol: SUMMITSEC Sub: Intimation of Closure of Trading Window Dear Sir / Madam, Pursuant to the Code of Fair Disclosure (Including Determination of Legitimate Purpose), Internal Procedures and Conduct for Regulating, Monitoring and Reporting of Trading by Designated Person(s) of the Company and their immediate relatives and the Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015, please be informed that the Trading Window for dealing in Securities of the Company by Designated Persons and their immediate relatives, shall remain closed from Thursday, October 01, 2026 until forty eight hours after declaration of the Unaudited Financial Results of the Company for the quarter and half year ending September 30, 2026. The date of Board Meeting of the Company to inter-alia consider and approve the Unaudited Financial Results of the Company for the quarter and half year ending September 30, 2026, will be intimated in due course. Kindly take the above information on record. Thanking you, Yours faithfully, For Summit Securities Limited Jiya Gangwani Company Secretary and Compliance Officer