Press Release

Date: July 9, 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 under Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 regarding the press release Dear Sir/Ma’am, Pursuant to Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby enclose a copy of the press release titled “Interarch Inaugurates State-of-the-Art Manufacturing Facility at Kheda, Gujarat, Strengthening Its Pan-India Manufacturing Network”. Thanking You, 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) Corporate 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. Interarch Inaugurates State-of-the-Art Manufacturing Facility at Kheda, Gujarat, Strengthening Its Pan-India Manufacturing Network • New facility adds 40,000 MT annual manufacturing capacity • ₹70 crore investment reinforces Interarch's commitment to India's industrial growth • Facility to create over 400 direct and indirect employment opportunities • Strategic location enhances service capabilities across Western India and export markets Kheda, Gujarat | 9 July 2026: Interarch Building Solutions Limited (BSE: 544232 | NSE: INTERARCH), India’s leading turnkey steel construction solutions provider, today inaugurated its new manufacturing facility at Kheda, Gujarat, marking a significant milestone in the company’s expansion journey and strengthening its footprint across India. Spread across nearly 12 acres, the facility has been developed with complete infrastructure—including buildings, roads, and support systems—to support a total installed capacity of 40,000 MT per annum. Phase I, inaugurated today, adds 20,000 MT per annum of manufacturing capacity with an investment of ₹60 crore. Equipped with advanced automation and precision engineering systems, the plant is designed to deliver superior quality, faster turnaround times, and enhanced efficiency. Phase II will add the remaining 20,000 MT per annum, taking the total installed capacity to 40,000 MT annually. The combined investment for both phases will be approximately ₹70 crore. The inauguration of the Kheda facility completes Interarch’s strategic pan-India manufacturing presence, enabling the company to serve customers across Western and Central India more efficiently while strengthening export capabilities through proximity to key ports. The facility is expected to generate more than 400 direct and indirect jobs, contributing significantly to Gujarat’s industrial and economic development. Interarch has established a strong presence in Gujarat through landmark projects for leading organisations including Adani, Reliance, Aditya Birla Group, Asian Paints, BKT Tires, MG Motors, Torrent Power, Hitachi, Renew Solar, Sun Solar, and several other marquee customers. The new unit further reinforces the company’s long-term commitment to supporting the state’s rapidly expanding industrial ecosystem. INTERARCH BUILDING SOLUTIONS LIMITED (Formerly known as Interarch Building Products Limited) Corporate 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. Commenting on the inauguration, Mr. Arvind Nanda, Managing Director, Interarch Building Solutions Limited, said: "India is witnessing a significant transformation in industrial infrastructure, supported by rising public investment, manufacturing expansion and the rapid development of logistics, warehousing, renewable energy and advanced manufacturing ecosystems. The inauguration of our Kheda facility comes at a pivotal time, enabling Interarch to meet the growing demand for high-quality, sustainable and time- efficient steel construction solutions. This investment reflects our long-term confidence in India's manufacturing story and our commitment to creating world-class infrastructure that supports the nation's industrial ambitions." Mr. Gautam Suri, Whole- Time Director, Interarch Building Solutions Limited, added: "With the commissioning of our Gujarat facility, we have successfully expanded our manufacturing network to better serve customers across the country while enhancing our export readiness. The plant has been designed with advanced manufacturing technologies that will improve productivity, quality and delivery capabilities. As demand continues to grow from sectors such as renewable energy, semiconductors, data centres, logistics, EVs and advanced manufacturing, this facility positions Interarch to deliver faster, smarter and more sustainable steel construction solutions." The Kheda facility is a cornerstone of Interarch’s long-term expansion strategy, consolidating its leadership in India’s pre-engineered steel construction industry and enabling delivery of high-performance, sustainable solutions across industrial, commercial, and infrastructure sectors. INTERARCH BUILDING SOLUTIONS LIMITED (Formerly known as Interarch Building Products Limited) Corporate 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.