Press Release

JYOTI STRUCTURES LIMITED Corporate Office: Valecha Chambers 6th Floor, New Link Road Oshiwara Andheri (West) Mumbai -400053 Corporate Identity No: L45200MH1974PLC017494 Ref: JSL/HO/CS/GEN/26-27/61 Date: October 28, 2026 BSE Limited, National Stock Exchange of India Limited, Phiroze Jeejeeboy Towers, Exchange Plaza, 5th Floor, Dalal Street, Fort, Plot No. C/1, G Block, Mumbai 400 001. Bandra Kurla Complex, Bandra (East), Mumbai 400 051. NSE Scrip Symbol: JYOTISTRUC BSE Scrip Code: 513250 Dear Sir/Madam, Sub: Press Release Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, please find enclosed herewith the Press Release on the “Jyoti Structures Secures ₹648.91 Crore Power Grid Order for ±800 kV HVDC Transmission Line Package in Gujarat.” Kindly take the same on records. Thanking You. Yours faithfully, For Jyoti Structures Limited Sonali K. Gaikwad Company Secretary FCS 13908 Encl: As Above Nashik Factory: 52A/53A, D.Road, Satpur Industrial Complex, Nashik - 422007, Maharashtra, India Raipur Factory: 1037/1046, Sarora Ring Road, Urla Industrial Complex, Raipur - 493221, Chhattisgarh, India| Testing Station & R&D Center: Ubhade Shivar, Village - Deole, Ghoti - Bhandardara Road, Taluka - Igatpuri, Dist. - Nasik 422402| Tel.: (01-22)-4091-5000 | Website: www.jyotistructures.in JYOTI STRUCTURES LIMITED Jyoti Structures Secures ₹648.91 Crore Power Grid Order for ±800 kV HVDC Transmission Line Package in Gujarat Mumbai, 28 October 2026: Jyoti Structures Limited (JSL), a listed engineering, procurement and construction (EPC) company specialising in power transmission infrastructure, has received a Notification of Award (NOA) from Power Grid Corporation of India Limited for Package TL05 of the ±800 kV HVDC Bipole Barmer-II and South Kalamb Transmission Lines project in Gujarat. The order is valued at ₹648.91 crore, excluding GST. The scope includes the supply, erection, testing and commissioning of ±800 kV high-voltage direct current (HVDC) transmission lines on a total turnkey basis. The project carries a completion period of 38 months from the date of the NOA. The latest award follows two orders worth a combined ₹949.35 crore received by JSL from Power Grid Corporation of India Limited on 26 October 2026 for Packages TL01 and TL02 under the same transmission project in Rajasthan. With the addition of Package TL05, the combined value of the three awards stands at ₹1,598.26 crore, excluding GST. JSL’s recent order wins also include a ₹689.93 crore contract from Gujarat Energy Transmission Corporation Limited (GETCO) for the 765 kV DC Pachchham–Saykha Transmission Line project in Gujarat. The company is also executing a 220 kV double-circuit transmission line project in Sri Lanka in partnership with Hayleys Fentons Limited to support the evacuation of wind power to the country’s national grid. Commenting on the development, Amit Dutta, COO, Jyoti Structures Limited, said, “The engineering and execution of ±800 kV HVDC transmission lines involve complex technical requirements and close coordination across multiple stages of the project. Our integrated EPC capabilities bring together design and engineering, manufacturing, prototype tower testing and site execution, enabling us to address these requirements through a coordinated approach. Attention to engineering detail, site conditions and quality at every stage remains central to how we execute transmission projects.” Jyoti Structures brings over five decades of experience in power transmission EPC, with capabilities spanning design and engineering, manufacturing, prototype tower testing, construction and project management. The company has constructed more than 37,600 circuit kilometers of transmission lines and delivered over 1,800 high-voltage substation bays across India and international markets. Its prototype tower testing facility at Ghoti, near Nashik, supports the testing of tower designs under prescribed load conditions, with testing capability up to 1,200 kV. JYOTI STRUCTURES LIMITED The company operates two manufacturing units in Nashik, with an aggregate galvanisation capacity of approximately 72,000 metric tonnes. Its project execution experience also spans varied terrains and challenging site conditions, requiring engineering and construction methods suited to project-specific technical, environmental and logistical requirements. About Jyoti Structures Limited Jyoti Structures Limited (JSL) is a listed engineering, procurement, and construction company with over five decades of experience in the power transmission sector. Incorporated in 1974, the company provides turnkey solutions across design and engineering, consultancy, prototype tower testing, manufacturing, construction, and project management. Its capabilities include high-voltage transmission lines, substations, underground cabling and optical ground wire (OPGW) projects in India and international markets.