As per annexure attached

DYNAMIC ARCHISTRUCTURES LIMITED Regd. Office: 409, Swaika Centre, 4A, Pollock Street, Kolkata (W.B.) 700 001, Ph: 033-22342673 Website: www.dynamicarchistructures.com, Email: info@dynamicarchistructures.com, CIN - L45201WB1996PLC077451 September 25, 2026 BSE Limited 25th Floor, P.J. Towers, Dalal Street, Fort, Mumbai– 400001 Scrip Code: 539681 ISIN: INE874E01012 Sub: Intimation of Closure of Trading Window Dear Sir, We would like to inform you that pursuant to the Company’s Code of Conduct for Prevention of Insider Trading adopted by the Company under SEBI (Prohibition of Insider Trading) Regulations, 2015, the trading window for dealing in the shares of the Company by its Designated Persons and their immediate relative(s) shall remain closed from October 01, 2026 till 48 (Forty Eight) hours after the conclusion of the Meeting of the Board of Directors to be held for the purpose of considering the Unaudited Financial Results for the Second Quarter and Half Year ended September 30, 2026. The date of the Board Meeting for the aforesaid purpose shall be intimated separately. Kindly take the same on your record. Thanking you, Yours faithfully, For Dynamic Archistructures Limited Rakesh Porwal Director DIN: 00495444