Analysts/Institutional Investor Meet/Con. Call Updates

Date: 18/06/2026 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 Subject: Intimation of Schedule of Analyst / Institutional Investor meetings under the SEBI (Listing Obligations and Disclosure Requirements), Regulations 2015. Dear Sir/Ma’am. Pursuant to the relevant provisions of SEBI (Listing Obligations and Disclosure Requirements), Regulations 2015, we would like to inform you that the officials of the Company will be meeting Investors/Analysts (Participants) as per the details below. Date Time Nature of Meeting Mode 24th June 2026 12:30 PM IST onwards 1x1/Group Meeting Virtual Discussions will be based on publicly available information. No unpublished price sensitive information (UPSI) is intended to be discussed during the interactions. This information is submitted to you pursuant to Regulation 30(6) of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements), Regulations, 2015. Kindly note that changes may happen due to exigencies on the part of Participants / Company 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.