Closure of Trading Window

Date: 28th September, 2026 To To National Stock Exchange of India Limited BSE Limited Exchange Plaza, C-1, Block G Phiroze Jeejeebhoy Towers Bandra Kurla Complex Dalal Street Bandra (E), Mumbai – 400 051 Mumbai – 400001 Scrip Symbol: EIEL Scrip Code: 544290 Sub: Closure of Trading Window Dear Sir/Madam, Pursuant to the Company’s Code of Conduct to Regulate, Monitor and Report Trading by Designated Persons and their Immediate Relatives and Insiders read with SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended from time to time, it is to inform that the Trading Window for dealing in the Equity Shares of Enviro Infra Engineers Limited shall remain closed from Thursday, 1st October, 2026 till the end of 48 hours from the date of declaration of Un-audited Financial Results for the quarter and half year ending 30th September, 2026. The date of the Board Meeting of the Company for consideration of the Un-audited Financial Results for the quarter and half year ending 30th September, 2026 will be intimated in due course. This is being notified to all Designated Persons, their immediate relatives through them and other insiders under the above Regulations. Kindly take the above information on record. Thanking you, For Enviro Infra Engineers Limited (Piyush Jain) Company Secretary & Compliance Officer A57000