Closure of Trading Window

Ref: BIRLANU/SE/2026-27/38 September 28, 2026 To To BSE Limited National Stock Exchange of India Limited P.J. Towers, Dalal Street 5th Floor, Exchange Plaza, Bandra (E), Mumbai – 400 001 Mumbai – 400 051 Scrip Code: 509675 Scrip Symbol: BIRLANU Through: BSE Listing Centre Through: NEAPS Sub: Closure of trading window Pursuant to the provisions of Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015 read with the Code of Conduct to Regulate, Monitor and Report trading by Designated Persons (DPs) and immediate relatives of Designated Persons in the securities of the Company, this is to intimate that the trading window for dealing in securities of the Company shall remain closed for Designated Persons (including their immediate relative(s) and any other person for whom they take trading decisions) from October 1, 2026 and the said window shall open after 48 hours from the declaration of unaudited financial results of the Company for the quarter and half year ended September 30, 2026. This intimation is being made available on the website of the Company www.birlanu.com. You are requested to take the above information on your records. Yours faithfully, For BirlaNu Limited (formerly HIL Limited) Nidhi Bisaria Company Secretary & Compliance Officer Membership No. F5634 PIPES CONSTRUCTION CHEMICALS PUTTY ROOFS WALLS FLOORS BirlaNu Limited (formerly HIL Limited) Corporate Office : BirlaNu Limited, 6th Floor, Birla Tower, 25 Barakhamba Rd, New Delhi - 110001 Registered Office : Office No. 1 & 2, L7 Floor, SLN Terminus, Sy. No. 133, Near Botanical Gardens, Gachibowli, Hyderabad - 500032, Telangana, India. CIN: L74999TG1955PLC000656 +91 40 6824 9000 customercare@birlanu.com www.birlanu.com