Corporate Action for Fixation of AGM and record date for the Final Dividend

Date: 06th August, 2026 To, To, National Stock Exchange of India Ltd., BSE Limited Exchange Plaza, C-1, Block G, Phiroze Jeejeebhoy Towers Bandra Kurla Complex, Bandra (E), Dalal Street Mumbai – 400 051 Mumbai- 400001 NSE Scrip Symbol: INTERARCH BSE Scrip Code 544232 Sub: Fixation of Annual General Meeting Date and Record Date Dear Sir/Ma’am We wish to inform that the 43rd Annual General Meeting (“AGM”) of the Company will be held on Thursday, 10th September, 2026 through Video conferencing (“VC”)/Other Audio Visual Means (‘VC/OAVM’) facility in accordance with the relevant circulars issued by the Ministry of Corporate Affairs (“MCA”) to transact the businesses as contained in the notice convening the AGM. The Remote e-voting period will commence from Monday, 07th September, 2026 at 09.00 A.M. IST to Wednesday, 09th September, 2026 at 05.00 P.M. IST. The Board fixed a Record date on Thursday, 03rd September, 2026 for determining the members eligible to receive the final dividend for the Financial Year 2025-2026, subject to the approval by the members at the ensuing Annual General Meeting of the Company. Please find below in tabulated form the Record Date: Script Code & Symbol AGM Date Record Date Purpose NSE Symbol: Thursday , 10th Monday, 07th Payment of Final INTERARCH September, 2026 September, 2026 Dividend for the Financial Year ended BSE Script: 544232 March 31, 2026 Kindly take the same on record. For INTERARCH BUILDING SOLUTIONS LIMITED (Formerly known as Interarch Building Products Limited) ARVIND NANDA MANAGING DIRECTOR DIN: 00149426 INTERARCH BUILDING SOLUTIONS LIMITED (Formerly known as Interarch Building Products Limited) Head Office : B-30, Sector 57, Noida - 201301, India. Tel.: +91 120 4170200, CIN: L45201DL1983PLC017029 Registered Office: Farm No-8, Khasra No. 56/23/2, Dera Mandi Road, Mandi Village, Tehsil Mehrauli, New Delhi - 110047, India.