Copy of Newspaper Publication

Date: 07/08/2026 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: Newspapers advertisement pertai ng to Un-Audited Financial Results for Quarter ended June 30, 2026. Dear Sir/ Madam, Pursuant to Regulations 30 and 47 of the SEBI (LODR) Regulations, 2015 as amended, we enclose copies of the newspapers advertisement pertaining to the Un-Audited financial results of the Company for the Quarter ended on June 30, 2026 published in the Financial Express (English) and Jansatta (Hindi) on August 07, 2026. 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 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. info@interarchbuildings.com www.interarchbuildings.com