Key Business and Financial updates

September 30, 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 – Key Business and Financial Updates of Solarworld Energy Solutions Limited Dear Sir/Madam, Pursuant to the applicable provisions of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you of the financial and business performance of Solarworld Energy Solutions Limited (“the Company”), covering the Financial Year 2025-26 (“FY 26”), the balance sheet position as at March 31, 2026, and the performance for the first quarter of the Financial Year 2026-27 (“Q1 FY 27”) , order book and bidding position, manufacturing capacity and the proposed joint venture for solar cell manufacturing: • FY26 performance: Revenue from operations of ₹13,762 Mn (up 152.6% YoY), total income of ₹14,161 Mn (up 157.0%), EBITDA of ₹1,879 Mn and profit after tax of ₹1,205 Mn (up 56.4%); basic EPS of ₹14.95. • Balance sheet (31 March 2026): Net worth of ₹8,478 Mn, debt-to-equity of 0.30x and net cash of ₹3,165 Mn. • Q1 FY27 performance: Revenue from operations of ₹1,684 Mn (up 146.8% YoY) and profit after tax of ₹95 Mn, with margins impacted by higher input costs (copper, aluminium, steel, imported cells) and rupee depreciation. • Order book and bids: Order book of ₹31,548 Mn as of 30 September 2026 (Solar EPC 64%, BESS 36%), including an order of ₹4,097.62 Mn for which the Company is L1 and is awaiting the formal Letter of Award; bids of ₹200,180 Mn submitted. • Manufacturing: 1.55 GW TOPCon module line and 5 GW junction box line operating at Roorkee; 3.4 GW BESS assembly line ready for product launch; 2.4 GW solar cell line at Narmadapuram, Madhya Pradesh under execution with targeted commercial operation in June 2027. • Proposed Joint Venture: 50:50 JV with Rays Power Infra Limited through Rays Green Energy Manufacturing Private Limited (proposed) for 2.4 GW solar cell manufacturing, with a commitment of up to ₹4,200 Mn from the Company, subject to shareholders’ approval. A copy of presentation is enclosed herewith and the same has also been uploaded on the website of the Company. Kindly take the same on your record. Thanking you. Yours faithfully, For Solarworld Energy Solutions Limited Varsha Bharti Company Secretary and Compliance Officer Membership No.: A37545 Encl. A/a NSE: SOLARWORLD · BSE: 544532 Key Business & Financial Updates Solarworld Energy Solutions Limited 30 September 2026 DISCLAIMER Safe Harbor Statement This presentation and the accompanying slides (the “Presentation”), which have been prepared by Solarworld Energy Solutions Limited (the “Company”), have beenpreparedsolelyforinformationpurposesanddonotconstituteanyoffer,recommendationorinvitationtopurchaseorsubscribeforanysecurities,andshall not form the basis or be relied on in connection with any contract or binding commitment whatsoever. No offering of securities of the Company will be made exceptbymeansofastatutoryofferingdocumentcontainingdetailedinformationabouttheCompany. This Presentation has been prepared by the Company based on information and data which the Company considers reliable, but the Company makes no representationorwarranty,expressorimplied,whatsoever,and norelianceshallbe placedon,thetruth,accuracy,completeness,fairnessandreasonablenessof thecontentsofthisPresentation.ThisPresentationmaynotbeall-inclusiveandmaynotcontainalloftheinformationthatyoumayconsidermaterial.Anyliability inrespectofthecontentsof,oranyomissionfrom,thisPresentationisexpresslyexcluded. Certain matters discussed in this Presentation may contain statements regarding the Company’s market opportunity and business prospects that are individually and collectivelyforward-lookingstatements. Suchforward-looking statements are not guaranteesof future performance andare subjecttoknown and unknown risks, uncertainties and assumptions that are difficult to predict. These risks and uncertainties include, but are not limited to, the performance of the Indian economy and of the economies of various international markets, the performance of the industry in India and worldwide, competition, the Company’s ability to successfullyimplement its strategy, the Company’sfuture levelsof growth and expansion, technological implementation, changes and advancements,changes in revenue,income or cash flows,theCompany’smarketpreferencesanditsexposure tomarketrisks,aswellas otherrisks.The Company’sactualresults,levelsof activity, performance or achievements could differ materially and adversely from results expressed in or implied by this Presentation. The Company assumes no obligation to update any forward-looking information contained in this Presentation. Any forward-looking statements and projections made by third parties includedinthisPresentationarenotadoptedbytheCompanyandtheCompanyisnotresponsibleforsuchthird-partystatementsandprojections. AllfinancialstatementfiguresinthisPresentationareconsolidatedandin₹millionunlessotherwisestated;Q1figuresareunaudited. THE YEAR AT A GLANCE A scale-up year, and a move into storage ₹14,161 Mn ₹1,205 Mn FY26 total income, up 157% on FY25 FY26 profit after tax, up 56% on FY25 ₹31,548 Mn 4 lines Order book as of 30 September 2026; 1.55 GW modules · 3.4 GW BESS · 5 GW junction boxes · ₹200,180 Mn of bids submitted 2.4 GW cells with proposed JV (June 2027) * Includes an order of ₹4,097.62 Mn for which the Company is L1 and is awaiting the formal Letter of Award. ANNUAL PERFORMANCE · ₹ MILLION FY26: revenue up 2.5×, profit up 56% Particulars FY25 FY26 YoY Revenue from operations 5,448 13,762 +152.6% Total income 5,511 14,161 +157.0% EBITDA (incl. other income, excl. share of associate and JV) 1,156 1,879 +62.6% EBITDA margin 21.0% 13.3% −770 bps Profit before tax 1,066 1,611 +51.1% Profit after tax 771 1,205 +56.4% PAT margin (on total income) 14.0% 8.5% −550 bps EPS, basic (₹) 10.68 14.95 +40.0% GROWTH TRAJECTORY · ₹ MILLION Scale has arrived: FY25 to FY26 Revenue from operations Profit after tax 13,762 1,205 5,448 FY25 FY26 FY25 FY26 BALANCE SHEET · ₹ MILLION Net worth up 2.7×, with a net-cash balance sheet As of 31 March 2025 2026 0.30× Net worth 3,091 8,478 Total borrowings 1,146 2,555 Debt-to-equity, 31 March 2026 Cash and bank balances 1,271 5,720 Trade receivables (excl. retention) 1,443 3,477 ₹3,165 Mn Inventories 20 1,061 Trade payables 625 4,452 Net cash (cash and bank less borrowings) Total assets 5,980 16,880 Q1 FY27 VS Q1 FY26 · ₹ MILLION Revenue up 2.5×, margins under pressure Particulars Q1 FY26 Q1 FY27 YoY Revenue from operations 682 1,684 +146.8% Total income 805 1,780 +121.0% EBITDA (incl. other income, excl. share of associate and JV) 211 207 −1.9% EBITDA margin 26.2% 11.6% −1,460 bps Profit after tax 129 95 −26.4% PAT margin (on total income) 16.0% 5.3% −1,070 bps EPS (₹) 1.74 1.10 −36.8% Q1 FY27 · WHAT DROVE THE QUARTER Execution is scaling; margins pressured by input costs Volume Cost pressure Seasonality Revenue from operations of ₹1,684 Mn, Higher copper, aluminium, steel and Q1 and Q2 are typically the weaker 2.5×Q1 FY26, as utility-scale EPC imported-cell costs, and rupee quarters; Q3 and Q4 carry most of the projects in the order book moved to depreciation, compressed EBITDA year’s execution. BESS revenue and execution. margin to 11.6% from 26.2%. module-line utilisation build through the year. INPUT COSTS · OCTOBER 2025 – SEPTEMBER 2026 Key input prices over the last 12 months Aluminium +19.93% Copper +36.26% USD per tonne · LME cash, monthly average YoY · as of 29 Sep 2026 USD per tonne · LME cash, monthly average YoY · as of 30 Sep 2026 3,900 3,670 14,483 15,000 3,283 3,400 13,000 2,786 10,696 2,900 11,000 2,400 9,000 O [Showing first 8,000 characters — download PDF for full document]