Acquisition

October 31, 2026 To, To, BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, Plot no. C/1, G Block, Dalal Street, Bandra-Kurla Complex, Mumbai- 400001 Bandra (E), Mumbai - 400051 Scrip Code: 544532 Symbol: SOLARWORLD Subject: Disclosure under Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Update on Joint Venture: Subscription to equity shares of Rays Green Energy Manufacturing Private Limited Dear Sir/ Madam, Pursuant to Regulation 30 read with Schedule III of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, and further to our intimation dated September 7, 2026 regarding the execution of the Securities Subscription Agreement (“SSA”) and the Joint Venture Agreement (“JVA”) with Rays Power Infra Limited (“Rays Power”) and Rays Green Energy Manufacturing Private Limited (“Rays Green”), we wish to inform you that on October 30, 2026 the Company paid Rs. 26,82,16,200/- (Rupees Twenty Six Crore Eighty Two Lakh Sixteen Thousand Two Hundred only) to Rays Green as the first tranche of its equity subscription. Rays Green has accordingly allotted to the Company 12,600 equity shares of face value Rs. 10/- each at an issue price of Rs. 21,287/- per share, including a premium of Rs. 21,277/- per share on October 31, 2026. Consequent to this allotment, the Company holds 50% of the paid-up equity share capital of Rays Green, and the remaining 50% is held by Rays Power. The balance equity subscription of up to Rs. 73,17,83,800/- (Rupees Seventy Three Crore Seventeen Lakh Eighty Three Thousand Eight Hundred only) will be made in accordance with the terms of the SSA and JVA. There is no change in the terms of the transaction disclosed in our earlier intimation. We request you to kindly take the same on record. Thanking you. Yours faithfully, For Solarworld Energy Solutions Limited Varsha Bharti Company Secretary and Compliance Officer Membership No.: A37545