Bagging/Receiving of orders/contracts

Larsen & Toubro Limited e LARSEN & TOUBRO Secretarial Department L&T House, Ballard Estate Narottam Morarjee Marg Mumbai - 400 001, INDIA Tel: +91 22 6752 5656 Fax: +91 22 6752 5858 www.Larsentoubro.com Email: igrc@larsentoubro.com CIN:L99999MH1946PLC004768 SEC/2026 August 25, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jejeebhoy Towers, Exchange Plaza, 5th Floor Dalal Street, Plot No.C/1, G Block MUMBAI - 400 001 Bandra-Kurla Complex STOCK CODE: 500510 Bandra (E), Mumbai - 400 051 STOCK CODE: LT Dear Sirs, Re : L&T Renewables Business Wins (Major*) Order for Battery Energy Storage System in the Middle East We enclose herewith a copy of Press Release that is being issued by the Company today, in connection with the above. We request you to take note of the same. Thanking you, Yours faithfully, for LARSEN & TOUBRO LIMITED SUBRAMANIAN NARAYAN COMPANY SECRETARY & COMPLIANCE OFFICER (ACS 16354) An ISO 9001:2015 Certified Department LARSEN & TOUBRO www lr1rsentouhro mm L& T Press Release L&T House Ballard Estate, Mumbai 400 001 Tel: 91 22 6752 5656 Issued by Corporate Brand Management & Communications CIN: L99999MH1946PLC004768 L&T Renewables Business Wins (Major*) Order for Battery Energy Storage System in the Middle East Mumbai, August 25, 2026: The Renewables business vertical of L&T has won a major order to develop three Battery Energy Storage System (BESS) projects for a notable client in the Middle East. In addition to the storage facilities, the scope of the packages also involves grid interconnections, including pooling substations and underground cables. The three projects will collectively contribute to 6 gigawatt-hour of storage capacity, marking one of the most impactful advancements in grid modernisation and renewable energy integration across the Middle East region. This positions L&T as a key EPC player in the fast growing energy storage sector. The projects feature a 4-hour Battery Energy Storage System (BESS) each, capable of storing and dispatching energy, to support grid stability and renewable energy integration. This enables effective energy shifting, allowing surplus clean energy generated during off-peak periods to be stored and delivered during peak demand hours. The advanced BESS solution will incorporate liquid cooling technology, ensuring higher power density, enhanced safety and extended operational life. Such projects entail stringent requirements with respect to plant performance, workforce mobilisation, safety, quality and timeline. The order stands as a testament to the enduring trust and confidence that clients place in L&T, backed by proven engineering excellence and project management expertise. Background: Larsen & Toubro is a USD 32 billion Indian multinational engaged in EPC Projects, Hi-Tech Manufacturing, Products and Services, operating across diverse domains and multiple geographies. With a strong impetus towards AI & technology, customer–focussed approach and the constant quest for top-class quality have enabled L&T to attain and sustain leadership in its major lines of business for eight decades. *Order Classification Classification Significant Large Major Mega Ultra-Mega Value in ₹ Cr 1,000 to 2,500 2,500 to 5,000 5,000 to 10,000 10,000 to 15,000 > 15,000 Media Contact: Sumeet Chatterjee Head - Corporate Brand Management & Communications sumeet.chatterjee@larsentoubro.com