Copy of Newspaper Publication

Date: 12/08/2026 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: Newspaper Advertisements – 43rd Annual General Meeting through Video Conferencing/ Other Audio-Visual Means (“VC / OAVM”) facility. Dear Sir/ Madam, Please find enclosed herewith copies of newspaper advertisements published in Financial Express (English) and Jansatta (Hindi) on August 12, 2026, in compliance with Ministry of Corporate Affairs Circulars dated September 22, 2025 read with the circulars issued earlier in this regard, intimating that 43rd Annual General Meeting of the Company will be held on Thursday, September 10, 2026 at 11:30 a.m. (IST) through Video Conferencing / Other Audio-Visual Means. The same is also available on the website of the Company https://www.interarchbuildings.com/ You are requested to kindly take above information on your records. This is for your information and records. For INTERARCH BUILDING SOLUTIONS LIMITED (Formerly known as Interarch Building Products Limited) ARVIND NANDA MANAGING DIRECTOR DIN: 00149426 Encl.: A/a 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.