Intimation of Schedule of Analyst / Institutional Investor meetings under the SEBI (Listing Obligations and Disclosure Requirements), Regulations 2015

Date: 2nd September, 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: Intimation of Schedule of Analyst / Institutional Investor meetings under the SEBI (Listing Obligations and Disclosure Requirements), Regulations 2015 Dear Sir/ Madam, 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 participating in a Non-Deal Roadshow (NDR) to meet Investors as per below details: Date Time Organised by Nature of Meeting Place 07th to 09th 10:00 am IST 1x1 / Group Ambit Capital Mumbai September 2026 onwards Meeting 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 No unpublished price sensitive information (UPSI) is intended to be discussed during the interactions.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. 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.