Enhancement Order Received from Uttrakhand Pey Jal Sansadhan Vikas Evam Nirman Nigam on Existing Order of Rs 13.46 crore.

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 : – Enhancement of Existing Purchase Order for an Amount 13.46 Crore Ref. : Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 ("Listing Regulations”) Dear Sir/Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”) read with Schedule III thereto, we wish to inform you that NACDAC Infrastructure Limited (“the Company”) has received sanction of Enhancement of Existing Order in the ordinary course of business by Uttarakhand Pey Jal Sansadhan Vikas Evam Nirman Nigam (Construction Wing), Haldwani, Uttarakhand that was secured by the Company prior to its Initial Public Offering. Further, the detailed disclosure as required under Regulation 30 of the Listing Regulations read with SEBI Circular No. SEBI/HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 is enclosed as Annexure-A This is for your information and records. We request you to take the same on record. 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 Annexure-A Disclosures as required under SEBI Circular No. SEBI/HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 Dated 30th January, 2026 Particulars Details Name of the entity awarding the Uttarakhand Pey Jal Sansadhan Vikas Evam Nirman Nigam order(s)/contract(s) (Construction Wing), Haldwani, Uttarakhand Significant terms and conditions NACDAC Infrastructure Limited (the Company) shall execute the of order(s)/contract(s) awarded additional items as per the terms of Contract No. in brief 36/GM(Kumaon)/2022-23 and the conditions of the sanction, including that expenditure remains within the sanctioned amount, payment is made only for actual quantities executed, and works conform to the prescribed specifications and quality standards. Sanction vide Letter No. 3085/Samayvriddhi/86 dated 31.07.2026 of the Chief General Manager, Construction Wing, UPJN, Dehradun, communicated to the Company vide Letter No. 1263/Bhawan-9/80 dated 22.09.2026 of the Project Manager, Construction Unit, Haldwani. Whether order(s)/contract(s) Domestic Entity have been awarded by domestic/international entity Nature of order(s)/contract(s) Sanction of extra items under the existing contract (secured prior to the Company's IPO) for construction of Bus Terminal and Workshop Building at U.T.C., Ramnagar, District Nainital, Uttarakhand. Extra items cover civil, plumbing and drainage, fire- fighting, electrical, lighting, air-conditioning, ventilation and pumping works. Whether domestic or Domestic international Time period by which the Upto March 2027 order(s)/contract(s) is to be executed Particulars Details Broad consideration or size of the Original contract value: ₹20.97 crore (₹2,097.19 lakh). Value of order(s)/contract(s) extra items sanctioned (excluding GST): ₹13,46,46,477 (Rupees Thirteen Crore Forty Six Lakh Forty Six Thousand Four Hundred Seventy Seven Only), an increase of approx. 64.2%. Revised contract value: approx. ₹34.43 crore, excluding GST. GST as applicable. Whether the promoter/promoter No group/group companies have any interest in the entity that awarded the order(s)/contract(s)? If yes, nature of interest Whether the order(s)/contract(s) No would fall within related party transactions? If yes, whether the same is done at ‘arm’s length’