Please be informed that, pursuant to the SEBI (PIT) Regulations, 2015, as amended, and the Company''s Code of Conduct to Regulate, Monitor and Report Trading by Designated Persons, the Trading Window for dealing in the securities of the Company shall remain closed for all Designated Persons and their immediate relatives from Thursday, 1st October 2026, till the expiry of 48 hours after the declaration of the Financials Results of the Company for ....

Concord Enviro Systems Limited 101, HDIL Towers, Anant Kanekar Marg, Bandra (E), Mumbai – 400 051, India T +91 22 6704 9000 F +91 22 6704 9010 E cs@concordenviro.in W www.concordenviro.in Date: 28th September 2026 CIN L45209MH1999PLC120599 National Stock Exchange of India Limited BSE Limited Exchange Plaza, C-1, Block G, Bandra Kurla Phiroze Jeejeebhoy Towers, Dalal Street, Complex Bandra (E), Mumbai – 400051. Mumbai – 400001. Symbol: CEWATER Scrip Code: 544315 Dear Sir/Madam, Subject: Intimation of Closure of Trading Window under the SEBI (Prohibition of Insider Trading) Regulations, 2015. Please be informed that, pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended, and the Company’s Code of Conduct to Regulate, Monitor and Report Trading by Designated Persons, the Trading Window for dealing in the securities of the Company shall remain closed for all Designated Persons and their immediate relatives from Thursday, 1st October 2026, till the expiry of 48 hours after the declaration of the Financial Results of the Company for the quarter and half-year ended 30th September 2026. The date of the Board Meeting for the consideration and declaration of the Company's Financial Results for the quarter and half-year ended 30th September 2026 will be intimated in due course. The aforesaid information is also being hosted on the Company’s website i.e. www.concordenviro.in/ for information and compliance. This is for your information and record. Thanking you, For Concord Enviro Systems Limited Prayas Goel Managing Director DIN: 00348519 Place: Mumbai