Press Release

Date: 23/06/2025 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 Building Solutions Strengthens Order Book with ₹375 Crores of New Orders in June 2026”. 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 Building Solutions Strengthens Order Book with ₹ 375 Crores of New Orders in June New Delhi, June 23, 2026: Interarch Building Solutions Limited, India's leading turnkey steel construction solutions provider, has secured new orders worth approximately ₹375 crores during June 2026, reflecting increasing demand for the Company's integrated steel construction solutions across India's expanding industrial landscape. The new orders include a major contract worth ₹165 crores from the energy sector in Vadodara, along with multiple projects across the hydrocarbon, farm equipment, electrical products, renewable energy, and Data Centre industries. The projects encompass the complete scope of design, engineering, manufacturing, supply, and erection of pre- engineered steel building (PEB) systems, with delivery schedules ranging from 8 to 10 months. These order wins further strengthen the company's order book and enhance revenue visibility for the coming quarters. Among the key projects secured during the month are four large-scale industrial projects covering a plinth area of approximately 200,000 sq. m. The projects feature structures with heights ranging from 12 metres to 40 metres and are designed to accommodate 45 MT, 400 MT/500 MT top-running overhead cranes. Together, these projects involve the supply of over 25,000 MT of structural steel, underscoring Interarch's capability to deliver highly engineered and technically complex steel building solutions for demanding industrial applications. Commenting on the development, Mr. Arvind Nanda, Managing Director, Interarch Building Solutions Limited, said: "We are pleased to witness strong business momentum with order inflows of approximately ₹375 crores during the month of June. These order wins reflect the continued confidence our customers place in Interarch's integrated capabilities across design, engineering, manufacturing, and project execution. The steady addition of high-value projects has strengthened our order book and provides healthy visibility for future growth. As investments in manufacturing, renewable energy, logistics, Data centres and infrastructure continue to accelerate, we remain well-positioned to capitalize on emerging opportunities while delivering world-class, sustainable, and efficient steel construction solutions." Further strengthening its presence in one of India's fastest-growing industrial hubs, Interarch broke ground for its brand-new manufacturing plant on 9th October 2025 at Kheda, Gujarat, and the construction of which is progressing well. Having successfully delivered several landmark projects for leading industrial groups across the state, the Company has established a strong presence in Gujarat's 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. Backed by a robust order book, expanding manufacturing capabilities, and growing demand across high-growth sectors, Interarch remains well-positioned to further consolidate its leadership in India's pre-engineered building industry while contributing to the country's industrial and infrastructure development. About Interarch Building Solutions Limited Interarch Pre- Pre-Engineered Buildings Interarch Building Solutions Limited commenced its operations in 1983. Today, 43 years later, Interarch is one of the leading turnkey steel construction solution providers in India with integrated facilities for design and engineering, manufacturing, and on-site project management capabilities for the installation and erection of pre-engineered steel buildings. TRACDEK® Metal Roofing & Cladding Systems We manufacture world-class pre-engineered roofing and cladding systems designed to meet custom requirements. Our extensive portfolio includes the Hi-Rib Roofing & Cladding System, Klippon Roofing & Cladding System, and SS-2000 Standing Seam Roofing System. Each of these solutions is engineered to provide exceptional performance and durability, ensuring that we meet a wide range of needs with precision and reliability. Trac® Ceilings Our TRAC® range of metal ceilings are manufactured from fully recyclable materials and are pre- painted and prefabricated in our factory. The ceiling systems are friendly to handle and will not promote the growth of bacteria and fungi. TRAC® ceilings exhibit excellent corrosion resistance. They can withstand very high humidity (up to 100 %) and are suitable for use in outdoor applications. Interarch Life: Non-Industrial Buildings We offer a state-of-the-art solution for non-industrial buildings through our innovative load-bearing wall framing systems, crafted to support lightweight structures. Embracing a hassle-free drywall construction approach, these systems guarantee swift and efficient assembly, simplifying the construction process for our esteemed clients. With a focus on durability and safety, our load- bearing wall framing systems are engineered to be earthquake and termite-proof, providing robust protection for the structure and its occupants. Moreover, these systems offer the flexibility of dismantling if required, providing adaptability for future changes or modifications. These structures can be custom-made according to the specific plans, accommodating varying shapes, sizes, and designs to meet the exact needs of customers. 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. For more information, please visit www.interarchbuildings.com Media Contact: Shweta Sharma PR & Corporate Communications Email Id- shweta.sharma@interarchbuildings.com 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.