Please find enclosed the intimation under Regulation 30 of SEBI (LODR) Regulations, 2015 regarding Order Win of 187 MW of high efficiency solar modules

October 15, 2026 VSL/CS/397/2026 dated 15.10.2026 BSE Ltd. National Stock Exchange of India Ltd. Department of Corporate Services Listing Department P. J. Towers, Dalal Street, Mumbai – 400 001. Exchange Plaza, Bandra-Kurla Complex, Bandra (E), Mumbai – 400 051 (Scrip Code: Equity - 544488) (Symbol: VIKRAMSOLR, Series EQ) Dear Sir/ Madam, Sub: Disclosure under Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”) - Press Release on Order Win of 187 MW of high-efficiency solar modules Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we are enclosing herewith the Press Release on major order win of 187 MW of high-efficiency N-Type TOPCon G12R modules from a renowned customer which is a leading renewable energy developer in India. We enclose herewith the details required under Para B of Part A of Schedule III of the Listing Regulations read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, as Annexure A to this letter. We request you to kindly take the aforesaid information on record. Thanking You, For and on behalf of VIKRAM SOLAR LIMITED SUDIPTA BHOWAL Company Secretary & Compliance Officer Encl. As Above Vikram Solar Secures a 187 MW Module Supply Order for Solar Projects in Karnataka and Tamil Nadu Kolkata, India, 15 October 2026: Vikram Solar, one of India’s leading solar PV module manufacturers, has secured a 187 MW module supply order from a leading renewable energy developer for solar projects at three locations across Karnataka and Tamil Nadu. Under the agreement, Vikram Solar will supply its high-efficiency N-Type TOPCon G12R modules, featuring glass-to-glass construction and bifacial technology, with power ratings ranging from 615– 625 Wp. The engagement builds on Vikram Solar’s existing association with the developer, reflecting continued confidence in the company’s technology portfolio and execution capabilities. The order adds to Vikram Solar’s growing pipeline as an integrated domestic manufacturer at a time when India is scaling up toward its target of 500 GW of non-fossil capacity. With ongoing expansion in high-efficiency cell manufacturing and sustained demand from leading developers, the company continues to strengthen its order book and its contribution to the country’s clean energy transition. Mr. Sameer Nagpal, Chief Executive Officer, Vikram Solar, said, “As India’s solar sector continues to scale, the focus is increasingly on technologies that can deliver performance, reliability and long-term value across utility-scale projects. At Vikram Solar, we remain committed to advancing our technology capabilities and maintaining the manufacturing and execution standards that our customers expect, delivering dependable, high-efficiency solar solutions that support the evolving needs of India’s renewable energy sector.” About Vikram Solar Limited: Vikram Solar Limited is one of the leading Indian solar module manufacturers, specializing in efficient photovoltaic (PV) module manufacturing, with an international presence across 39 countries. Headquartered in Kolkata, West Bengal, it is one of the largest PV module manufacturers in India. Vikram Solar is a 9th time ‘Top Performer’ in PVEL’s PV Module Reliability scorecard and has been included in the Tier 1 solar PV modules manufacturer list of Bloomberg NEF for 9 consecutive quarters. Vikram Solar Limited has established a pan-India presence through an extensive distributor network of 119 authorized distributors and more than 750+ dealers. For further information, please contact: Srabani Sen | Vikram Solar | Mobile: +91 7349661300 | Email: press@vikramsolar.com Annexure A Disclosure as required under Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 Sl. No. Particulars Responses Name of the entity awarding the order(s)/contract(s) A renowned customer who is a 1. leading renewable energy Developer in India Significant terms and conditions of order(s)/contract(s) awarded Supply of high-efficiency N-Type in brief TOPCon G12R modules Whether order(s) / contract(s) have been awarded by domestic/ Domestic international entity 4. Nature of order(s) / contract(s) One time 5. Time period by which the order(s)/contract(s) is to be executed By December 2026 6. Broad consideration or size of the order(s)/contract(s) 187 MW Whether the promoter/ promoter group / group companies have No 7. any interest in the entity that awarded the order(s)/contract(s)? If yes, nature of interest and details thereof Whether the order(s)/contract(s) would fall within related party No transactions? If yes, whether the same is done at “arm’s length”