Trading Window closure for all Designated Person & immediate relative from October 01 , 2026 until the 48 hours after the declaration of the Unaudited Financial Result for half year ended September 30 , 2026

September 28, 2026 BSE Limited Listing & Compliance Department Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai, 400001, Maharashtra, India Company Symbol : NACDAC Company Scrip Code : 544313 Company ISIN : INE0LB101011 Subject : Intimation of Closure of Trading Window for the Half Year ended September 30, 2026 under SEBI (Prohibition of Insider Trading) Regulations, 2015. Dear Sir/Madam, Pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended, and the Code of Conduct to regulate, monitor and report trading by Designated Persons of NACDAC Infrastructure Limited ("the Company"), the Trading Window for dealing in the securities of the Company shall remain closed for all Designated Persons and their Immediate Relatives from October 1, 2026 until 48 hours after the declaration of the Unaudited Financial Results of the Company for the half year ended September 30, 2026. The date of the Board Meeting for consideration of the said Results will be intimated separately. The above information is also available on the Company's website at https://www.nacdacinfrastructure.com/ You are requested to take the same on record. Thanking you, Yours faithfully, For NACDAC Infrastructure Limited Hemant Sharma Chairman & Managing Director DIN: 05304685 Place: Ghaziabad