Press Release (Revised)

Date: 19th June 2026 BSE Scrip Code: 533293 NSE Scrip Code: KIRLOSENG To To Corporate Relationship Department Listing Department BSE Limited National Stock Exchange of India Ltd. 1st Floor, Rotunda Building, Exchange Plaza, C -1, Block G, Dalal Street, Fort, Bandra-Kurla Complex, Bandra (E), Mumbai – 400 001 Mumbai – 400 051 Dear Sir/ Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (LODR), including amendments thereunder, in continuation to our earlier letter dated 19th June 2026, please find attached herewith, the revised press release in respect of the prestigious order received from HyperNext for the Company’s Optiprime™ Power Systems for Large-Scale Data Center Infrastructure. You are requested to take the same on your record. Thanking you, Yours faithfully, For Kirloskar Oil Engines Limited Farah Irani Company Secretary and Compliance Officer Encl.: As above. HyperNext Selects Kirloskar Oil Engines' Optiprime™ Power Systems for Large-Scale Data Center Infrastructure Order for 96 Units of 2500 kVA Optiprime™ Dual Core Systems Reinforces Commitment to Reliable, Sustainable Digital Infrastructure Press Release Pune, India – 19th June 2026 – Kirloskar Oil Engines Limited (KOEL), one of India's leading manufacturers of power generation solutions, today announced a significant order from HyperNext, a next-generation digital infrastructure company focused on delivering hyperscale-ready, AI-enabled data center solutions. The order comprises 192 MW, 96 units of KOEL's 2500 kVA Optiprime™ Dual Core power systems, representing one of the largest deployments of high-capacity power systems for hyperscale data centres in India. The deployment will support HyperNext's mission to build resilient, scalable, and energy-efficient digital infrastructure capable of meeting the rapidly growing demands of cloud computing, artificial intelligence, and mission-critical enterprise workloads. HyperNext has emerged as an innovative force in the digital infrastructure sector, developing future-ready data center ecosystems designed to support AI workloads, hyperscale cloud deployments, and enterprise digital transformation initiatives. The company's focus on sustainability, operational excellence, and advanced technology architecture aligns closely with KOEL's commitment to delivering reliable and efficient power solutions. Harsh Macwann, Group CEO, HyperNext, said, "As we continue to expand our digital infrastructure footprint, reliability and performance remain central to our design philosophy. KOEL's Optiprime™ solution offers the scale, engineering sophistication, and proven operational performance required for our mission-critical environments. Being India’s first data centre with an 800VDC power architecture, this partnership reflects our shared commitment to enabling the next generation of digital infrastructure while maintaining the highest standards of operational resilience. " The collaboration highlights the convergence of two organizations focused on powering India's digital future—HyperNext through advanced data center infrastructure and KOEL through innovative power generation technologies. The Optiprime™ platform combines multiple high-performance cores into a single integrated power system, delivering industry-leading power density, operational efficiency, and reliability. Designed specifically for hyperscale and mission-critical environments, these Uptime™ certified, DCCP (Data Centre Continuous Power) power systems platform enables data centre operators to optimize footprint utilization while ensuring uninterrupted power availability. "This order reflects the growing confidence that digital infrastructure leaders place in KOEL's engineering capabilities and our ability to deliver reliable, high-performance power solutions at scale," said Madan Patil, President- Global Powergen Business, Kirloskar Oil Engines Limited. "As AI and cloud adoption accelerate globally, data centers require robust and resilient backup power systems that can support ever-increasing energy demands. Our Optiprime™ platform has been developed precisely to address these challenges, delivering exceptional performance, reliability, and operational efficiency for Hyperscale data centres." With decades of manufacturing excellence and a growing portfolio of solutions tailored for mission-critical applications, KOEL continues to strengthen its position as a trusted partner for hyperscale data centers, cloud service providers, colocation operators, and enterprise customers across India and global markets. As digital transformation, AI adoption, and data-intensive applications continue to drive unprecedented growth in infrastructure demand, partnerships such as this demonstrate the critical role of reliable power systems in enabling the digital economy. About HyperNext HyperNext is a digital infrastructure company focused on developing next-generation, hyperscale- ready data center ecosystems that support cloud computing, artificial intelligence, and enterprise digital transformation. Through advanced engineering, sustainability-focused design, and operational excellence, HyperNext is helping build the infrastructure foundation for the digital economy. About Kirloskar Oil Engines Limited Kirloskar Oil Engines Limited is a global leader in advanced engineering and energy solutions, specializing in the design and manufacture of internal combustion engines, gensets and integrated power solutions. With a legacy of over 75 years of engineering excellence, the Company offers a comprehensive engine & power systems portfolio ranging from 1 kW to 10 MW, serving critical sectors including infrastructure, data centers, real estate, defense, marine, and railways. KOEL is recognized as one of the world's largest engine manufacturers, providing end-to-end design, manufacturing, and lifecycle support through a robust distribution network across India, the Middle East, Africa, and the Americas. The Company remains at the forefront of sustainable innovation, offering a diverse portfolio of fuel-agnostic platforms and advanced power systems certified to the most stringent global emission standards. For further information please contact: Media Contact Mr. Sarvesh Dayal Marketing Communications and Branding Tel: 9552514852 Email: Sarvesh.dayal@kirloskar.com Kirloskar Oil Engines Limited A Kirloskar Group Company COMPANY ADDRESS: Kirloskar Oil Engines Limited (CIN: L29100PN2009PLC133351) Regd. Office - Laxmanrao Kirloskar Road, Khadki, Pune - 411 003 Corporate Office - "One Avante", Level 7 to Level 12, Karve Road, Kothrud, Pune-411 038. Tel: 7757874812 Safe Harbor Statement Statements in this document, particularly those which relate to management's views and analysis, describing the Company's objectives, projections, estimates and expectations may constitute "forward looking statements" within the meaning of applicable laws and regulations. Actual results may differ materially from those anticipated in the forward-looking statements. The Company assumes no obligation to update forward looking statements to reflect actual results, changed assumptions or other factors.