INTIMATION REGARDING CLOSURE OF TRADING WINDOW FOR HALF YEAR ENDED ON 30.09.2029

DATE: 25TH SEPTEMBER 2026 The Secretary BSE LIMITED, P J Towers, Dalal Street, Mumbai-400001 Sub.: Intimation about the closure of the Trading Window of the Company for the half year ended on 30.09.2026 Ref.: CITYON SYSTEMS (INDIA) LIMITED (SCRIP CODE-780013) Dear Sir/Madam, Pursuant to the provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015 read with amendments thereto, and in terms of the Company's Policy “Code of Conduct for regulating, monitoring and reporting of trading by insiders,” and “Code of Practices and Procedures for Fair Disclosure of Unpublished Price Sensitive Information”, the Trading Window for dealing in the Securities of the Company, shall remain closed from the 01st October, 2026 to till expiry of 48 hours after the declaration of Un-audited Financial Results for the half year ended on 30th September, 2026 are made public. During the closure of the Trading Window, Designated Persons, Insiders and their immediate relatives are also advised not to trade in the securities of the Company during the aforesaid period of closure of the Trading Window. The date of the Board Meeting for approval of the above-mentioned financial results shall be intimated in due course. We request that you kindly take the said information on record. Thanking you. FOR CITYON SYSTEMS (INDIA) LIMITED RADHIKA JHUNJHUNWALA (COMPANY SECRETARY) (M. NO.: A38550)