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Record H1 H2 Acceleration H 1 2 0 2 6 R E S U L T S P R E S E N T A T I O N S e p t e m b e r 2 4 , 2 0 2 6
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2 Record H1 New 12-month Efficiency Programme H2 Acceleration Very strong set of results Production 1.7 TWh (+51%) €100m Infrastructure sales in six months—34% above the whole of 2025 EBITDA EUR 210 M (+50%) Net profit EUR 125 M (+52%) Investment EUR 276 M Reducing leverage from 5.4x to 3.9x Executing the CMD Strategy CMD execution scorecard Cost efficiency 13% personnel cost reduction Best-in-class cost efficiency Capital efficiency EUR 4 M financial cost savings Disciplined capital allocation driving deleveraging and savings Higher prices set to drive significant earnings growth Q3 price well above last year Forwards well above last year New capacity additions 3.6 GW in operation by year end Capital Markets Day “Breaking Borders – Scaling Faster” November 2026 K E Y H I G H L I G H T S H1 2026 Results Presentation
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3 K E Y H I G H L I G H T S H1 2026 Results Presentation Q3 merchant captured prices rise more than 75%, with generation up more than 30%. THE JOURNEY IS JUST BEGINNING Solar price +75% YoY Generation +30% YoY Optimized merchant 35% vs. 25%
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H 1 2 6 – R E C O R D H 1 Strong Growth Across Operations Production +51% H1 Production increased by 51% to 1,717 GWh mainly due to the commissioning of new assets (Capacity +85% from 1.7 GW to 3.1 GW). Sales + 111% In H1, sales increased from EUR 79.1 M to EUR 167.2 M driven by a 355% increase in infrastructure sales, primarily related to Powered Land milestones for data centres. Q2 2026 Q2 2025 % chg. H1 2026 H1 2025 % chg. Production (GWh) 1,165 767 +52% 1,717 1,139 +51% Sales (EUR M) 91.8 57.0 +61% 167.2 79.1 +111% Energy sales – Solar + BESS 41.7 35.1 +19% 67.6 57.2 +18% Infrastructure sales 50.1 21.9 +129% 99.6 21.9 +355% 4H1 2026 Results Presentation
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H 1 2 6 – R E C O R D H 1 Well on track to deliver the full-year EBITDA target Strong Total Revenues Total revenues reached EUR 223.3m, up 44% YoY, despite a lower contribution from other income, down from EUR 76.0 M to EUR 56.1 M. Improving profitability EBITDA rose by 50%, outpacing revenue growth in H1 2026. Q2 2026 Q2 2025 % chg. H1 2026 H1 2025 % chg. Total Revenues (EUR M) 102.9 74.1 +39% 223.3 155.1 +44% EBITDA (EUR M) 96.9 66.1 +47% 210.1 140.1 +50% Net Profit (EUR M) 44.5 28.7 +55% 124.9 82.1 +52% 5H1 2026 Results Presentation
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H 1 2 6 – R E C O R D H 1 Average cost of debt Average residual tenor of project finance debt 3.9% 10y Fixed/Swapped rate debt 84% Project debt 91% Net financial debt EUR 1,329 M1 €1,146m excluding IFRS16 NFD to Last 12M EBITDA 3.9xSTRONGER FINANCIAL POSITION EUR 276 M INVESTMENT 1. Excluding derivative financial instruments Improved financial strength despite significant investment 6 Cash 2025 Cash H1 2026EBITDA Net finance income/(expense) Working capital Capex Debt issue & April ABB Debt payment Net Issue of promissory notes and Treasury shares OPERATING CF 124.1 INVESTING CF (275.8) FINANCING CF 287.7 YTD Cash performance (EUR M) 73.3 210.1 (20.6) (65.4) (83.0) (89.5) 460.2 209.4 (275.8) H1 2026 Results Presentation
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H 1 2 6 – R E C O R D H 1 CMD Execution scorecard (Nov-25 Sept-26) 7H1 2026 Results Presentation 2025 CMD commitment Execution to date – H1 2026 Status Key takeaway Beat €250m FY2025 EBITDA target FY2025 EBITDA €266.1m, +6% vs. target Exceeded FY2025 EBITDA target exceeded Deliver €331m EBITDA in 2026 H1 EBITDA €210.1m, c.64% of FY26 target On track Strong progress towards FY26 target. Very strong Q3 year to date. Reduce Net Debt / EBITDA to 4.8x by 2028 3.9x at H1 2026 vs. 5.4x at FY2025 Achieved 2028 leverage target achieved ahead of schedule Reach 4.3 GW operating capacity by YE2026 3.1 GW at H1; 3.6 GW expected at YE2026 Below target Focus on profitable growth Expand data-centre infrastructure from initial 225 MW agreement Second 213 MW agreement signed; 438 MW combined Achieved Contracted capacity almost doubled since CMD Develop long-term and hybrid PPAs Additional 426 MW solar PPA + 600 MWh BESS PPA On track Commercial execution across solar and storage Scale hybrid BESS from first 44 MWh installation ~120 MWh operating; 1,200 MWh under construction On track BESS deployment materially scaled up. > 1.2 GWH installed by year-end. Expand into Europe 600 MW La Spina environmental approval obtained Achieved Key European development milestone delivered
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8 H 1 2 6 – N E W 1 2 - M O N T H E F F I C I E N C Y P R O G R A M M E Cost & Capital efficiency – EUR 7 M annualised savings New Efficiency programme 12-month duration EUR 7 M annualised savings -26% Net Debt/EBITDA 50% of annualised savings already executed Clear roadmap to enhance profitability, cash generation and capital discipline H1 2026 Results Presentation
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9 H 1 2 6 – N E W 1 2 - M O N T H E F F I C I E N C Y P R O G R A M M E Cost efficiency – 13% personnel cost reduction H1 2026 Results Presentation Best-in-class Cost efficiency A leading cost structure among peers
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10 H 1 2 6 – N E W 1 2 - M O N T H E F F I C I E N C Y P R O G R A M M E Capital efficiency – EUR 4 M financial cost savings H1 2026 Results Presentation Stronger Balance sheet Disciplined capital allocation driving deleveraging and savings
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11 Higher Prices Set to Drive Significant Earnings Growth H 1 2 6 – H 2 A C C E L E R A T I O N Strong increase in merchant prices Merchant captured prices are showing a strong upward trajectory, with current OMIP forwards pointing to a significant uplift over recent levels. This upside is increasingly relevant to Solaria, as our average merchant exposure has risen from c.25% to c.35%, mainly driven by the incorporation of the 715 MW Garoña power plant this year. 25 27 34 >60 48 76 29 84 0 20 40 60 80 100 H1 2025 H1 2026 Q3 2025 Q3 2026 to date Q4 2025 Q4 2026 Forward Q1 2026 Q1 2027 Forward Solaria Merchant Captured Prices and OMIP Solar Forwards EUR/MWh 2. OMIP Forward price on 09/24/26 3 3 H1 2026 Results Presentation
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12 3.6 GW in operation by year end H 1 2 6 – H 2 A C C E L E R A T I O N Solar PV + DC Oliva solar plant supports our 70 MW data centre project in Daganzo, Madrid, reinforcing our integrated energy infrastructure platform Co-located BESS Our 120 MWh operating assets are materially outperforming expectations based on an estimated payback of three years. We are allocating a significant part of the EUR 184 M capital increase to accelerate BESS deployment and scale a high-return growth opportunity. 0.3 0.2 H1 2026 BESS under construction Solar PV work completed 2026E 3.1 OLIVA 175 MW HYBRID BESS SPAIN Portfolio status (GW) 1,200 MWh BESS BESS SOLAR PV 3.6 SOLAR PV H1 2026 Results Presentation
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13 O U T L O O K Record H1 Performance Provides Strong Visibility on 2026 EBITDA Target H1 2026 Results Presentation
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14 O U T L O O K Substantial Growth Ahead Capital Markets Day Breaking Borders Scaling Faster November 2026 H1 2026 Results Presentation
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Appendix 15H1 2026 Results Presentation
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H1 2026 RESULTS H1 2026 H1 2025 % chg. Capacity (MW) 3,063 1,658 85% Spain 2,959 1,554 90% Portugal and Greece 64 64 - Uruguay 23 23 - Italy 17 17 - Production (GWh) 1,717 1,139 51% Spain 1,652 1,071 54% Portugal and Greece 40 43 -7% Uruguay 16 15 +7% Italy 9 10 -10% Operating data 16 H1 2026 H1 2025 % chg. Energy Sales (EUR M) 67.6 57.2 18% Spain 60.5 49.4 22% Portugal and Greece 1.0 1.2 -17% Uruguay 2.0 2.0 - Italy 4.1 4.6 -11% Average price (EUR/MWh) 39 50 -22% Spain 37 46 -20% Portugal and Greece 25 28 -11% Uruguay 125 132 -5% Italy 456 451 1% H1 2026 Results Presentation
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H1 2026 RESULTS 17 Income Statement (EUR M) H1 2026 H1 2025 Relative change (%) Net sales 167.2 79.1 111 Other income 56.1 76.0 -26 Total revenues 223.3 155.1 44 Personnel expenses (8.0) (8.6) -8 Operating expenses (5.2) (6.4) -19 EBITDA 210.1 140.1 50 Amortisation (30.1) (23.8) 26 EBIT 180.0 116.3 55 Financial Income/(loss) (26.1) (19.4) 35 Profit before tax 153.9 96.9 59 Tax (29.0) (14.8) 96 NET PROFIT 124.9 82.1 52 H1 2026 Results Presentation
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H1 2026 RESULTS 18 Balance Sheet Assets (EUR M) H1 2026 FY 2025 Relative change (%) Non-current assets 2,433.8 2,239.4 9 Intangible assets 0.3 0.3 - Surface rights 183.0 186.6 -2 Tangible fixed assets 2,001.8 1,837.7 9 Other non-current financial assets 211.4 172.3 23 Deferred tax assets 37.3 42.5 -12 Current assets 352.2 204.1 73 Non-current assets held for sale 28.9 28.9 - Trade and other receivables 102.9 89.3 15 Other current assets (derivatives) 11.0 12.5 -12 Cash and cash equivalents 209.4 73.3 186 Total Assets 2,786.0 2,443.5 14 Equity and liabilities (EUR M) H1 2026 FY 2025 Relative change (%) Equity 1,087.6 709.4 53 Capital and share premium 495.4 310.9 59 Reserves 439.4 260.6 69 Non-controlling interest 5.2 5.2 - Profit for the year 124.9 137.4 -9 Treasury shares -21.7 -50.0 -57 Value adjustments 44.3 45.3 -2 Non-current liabilities 1,457.1 1,339.7 9 Capital grants 9.2 5.1 80 Obligations and long-term bonds 113.8 111.0 2 Financial liabilities with credit institutions 1,078.5 969.4 11 Financial lease creditors 173.5 176.9 -2 Derivative financial instruments 20.0 17.2 17 Deferred tax liability 62.2 60.1 4 Current liabilities 241.2 394.4 -39 Obligations and short-term bonds 94.6 149.8 -37 Financial liabilities with credit institutions 68.4 84.6 -19 Financial lease creditors 10.0 17.0 -41 Derivative financial instruments 0.6 0.7 -11 Commercial creditors and other accounts payable 67.5 142.3 -53 Total Equity and Liabilities 2,786.0 2,443.5 14 H1 2026 Results Presentation
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D I S C L A I M E R 19 This document has been prepared by SOLARIA ENERGÍA Y MEDIO AMBIENTE, S.A. (“Solaria”) for information purposes only and it does not constitute regulated information or information that has been subject to prior registration or review by the Spanish Securities Market Commission. By attending a meeting where this document is presented, or by reading the slides contained herein, you will be deemed to have: (i) agreed to the following limitations and notifications and made the following undertakings; and (ii) acknowledged that you understand the legal and regulatory sanctions attached to the misuse, disclosure or improper circulation of this document. This document includes summarised, audited and unaudited information. The financial and operational information, as well as the data on the acquisitions that have been carried out, included in the presentation, originates from the accounting records of Solaria. Such information may in the future be subject to audit, limited review or any other control by an auditor or an independent third party and therefore, this information may be modified or amended in the future. The ordinary shares of Solaria are listed on the Madrid, Barcelona, Bilbao and Valencia Stock Exchanges (the “Spanish Stock Exchanges”), and Solaria is therefore required to publish certain business and financial information in accordance with the rules and practices of the Spanish Stock Exchanges and the Spanish Securities Market Commission (the “Exchange Information”), which includes its audited annual financial statements. This information is available, in both the Spanish and English languages, on Solaria’s website (www.solariaenergia.com). Neither this document nor any information contained herein may be reproduced in any form, used or further distributed to any other person or published, in whole or in part, for any purpose. Failure to comply with this obligation may constitute a violation of applicable securities laws and/or may result in civil, administrative or criminal penalties. This document is not an offer for the sale or the solicitation of an offer to subscribe for or buy any securities in the United States or to U.S. persons. The securities of Solaria may not be offered or sold in the United States absent registration or an exemption from registration under the U.S. Securities Act of 1933, as amended (the “Securities Act”). Neither this document nor any copy of it shall be taken, transmitted into, disclosed, diffused, published or distributed in the United States, Canada, Australia or Japan. The distribution of this document in other jurisdictions may also be restricted by law and persons into whose possession this document comes should inform themselves about and observe any such restrictions. This document is not a prospectus and does not constitute or form part of, and should not be construed as, any offer, inducement, invitation, solicitation or commitment to purchase, subscribe to, provide, sell or underwrite any securities, services or products or to provide any recommendations for financial, securities, investment or other advice or to take any decision. This document includes, in addition to historical information, forward-looking statements about revenue and earnings of Solaria and about matters such as its industry, business strategy, goals and expectations concerning its market position, future operations, margins, profitability, capital expenditures, capital resources and other financial and operating information. Forward-looking statements include statements concerning plans, objectives, goals, strategies, future events or performance, and underlying assumptions and other statements, which are other than statements of historical facts. Words such as “believe”, “expect”, “anticipate”, “intends”, “estimate”, “forecast”, “project”, “will”, “may”, “should” and similar expressions identify forward-looking statements. Other forward-looking statements can be identified from the context in which they are made. These forward-looking statements are based on numerous assumptions regarding the present and future business strategies of Solaria and the environment in which Solaria expects to operate in the future. These forward- looking statements involve known and unknown risks, uncertainties, assumptions, estimates and other factors, which may be beyond Solaria’s control and which may cause the actual results, performance or achievements of Solaria, or industry results, to be materially different from those expressed or implied by these forward-looking statements. None of the future projections, expectations, estimates or prospects in this document should be taken as forecasts or promises nor should they be taken as implying any indication, assurance or guarantee that the assumptions on which such future projections, expectations, estimates or prospects have been prepared are correct or exhaustive or, in the case of the assumptions, fully stated in the document. Many factors could cause the actual results, performance or achievements of Solaria to be materially different from any future results, performance or achievements that may be expressed or implied by such forward-looking statements. Should one or more of these risks or uncertainties materialise, or should underlying assumptions prove incorrect, actual results may vary materially from those described herein as anticipated, believed, estimated, expected or targeted. As a result of these risks, uncertainties and assumptions, you should not place undue reliance on these forward-looking statements as a prediction of actual results or otherwise. The information in this document has not been independently verified and will not be updated. The information in this document, including but not limited to forward-looking statements, applies only as of the date of this document and is not intended to give any assurances as to future results. Solaria expressly disclaims any obligation or undertaking to disseminate any updates or revisions to the information, including any financial data and any forward-looking statements, contained in this document, and will not publicly release any revisions that may affect the information contained in this document and that may result from any change in its expectations, or any change in events, conditions or circumstances on which any forward-looking statements are based or whichever other events or circumstances arising on or after the date of this document. Market and competitive position data used in this document not attributed to a specific source, if any, are estimates of Solaria and have not been independently verified. While Solaria believes, acting in good faith, that such estimates are reasonable and reliable, they and their underlying methodology and assumptions have not been verified by independent sources for accuracy or completeness and are subject to change. Additionally, certain data in this document has been obtained from third parties. While such data is believed, in good faith, to be reliable for the purposes for which they are used in this document, Solaria expressly disclaims any liability as to the accuracy or completeness of such data. Accordingly, you should not place undue reliance on this information. Certain financial and statistical information contained in this document is subject to rounding adjustments. Accordingly, any discrepancies between the totals and the sums of the amounts listed are due to rounding. Certain management financial and operating measures included in this document have not been subject to a financial audit nor have been independently verified by a third party. This document discloses neither the risks nor other material issues regarding an investment in the securities of Solaria. The information included in this presentation is subject to, and should be read together with, all publicly available information, including the Exchange Information. However, you should be aware that (i) Solaria’s business and results of operations are dependent on the regulatory environment and (ii) Solaria’s pipeline involves numerous risks and uncertainties. Regulation The development, construction and operation of solar PV parks are highly regulated activities and Solaria conducts its operations in many countries and jurisdictions, which are governed by different laws and regulations. Such laws and regulations require licenses, permits and other approvals to be obtained and maintained in connection with the operation of its activities. The procedures for obtaining such licenses, permits and other approvals vary from country to country, making it onerous and costly to track the requirements of individual localities and comply with the varying standards. In addition, this regulatory framework imposes significant actual, day-to-day compliance burdens, costs and risks on us. In particular, in the countries where Solaria operates, solar PV parks are subject to strict EU (for those located in Spain, Italy and Greece), national, regional and local regulations relating to their operation and expansion (including, among other things, land use rights, regional and local authorizations and permits necessary for the construction and operation of facilities, permits on landscape conservation, noise, hazardous materials or other environmental matters and specific requirements regarding the connection and access to the electric transmission and/or distribution networks). Non- compliance with such regulations could result in the revocation of permits, sanctions, fines or even criminal penalties. Compliance with regulatory requirements may result in substantial costs to Solaria’s operations that may not be recovered. In addition, Solaria cannot predict whether the permits will attract significant opposition (public or otherwise including on account of litigation) or whether the permitting process will be lengthened due to administrative complexities and appeals. Additionally, changes to these laws and requirements or of its interpretation by regulatory authorities and courts or the implementation of new such regulations affecting the solar PV parks in Solaria’s portfolio may result in significant additional expenses and may have a material adverse effect on Solaria’s business, financial condition, results of operations and cash flows to the extent that Solaria cannot comply with such laws. Thus, laws and regulations could be changed to provide for new rate programs that undermine the economic returns for both new and existing solar PV parks in operation by charging additional, non- negotiable fixed or demand charges or other fees or reductions in the number of solar PV projects allowed under net metering policies. These changes may make the development of a solar PV park infeasible or economically disadvantageous and any expenditure Solaria may have made on such solar PV park may be wholly or partially written off. Solaria also faces regulatory risks imposed by various transmission providers and operators, including regional transmission operators and independent system operators, and their corresponding market rules. These regulations may contain provisions that limit access to the transmission grid or allocate scarce transmission capacity in a particular manner, which could materially and adversely affect Solaria’s business, financial condition, results of operations and cash flows. To the extent Solaria enters into new markets in different jurisdictions, Solaria will face different regulatory regimes, business practices, governmental requirements and industry conditions. As a result, Solaria’s prior experiences and knowledge in other jurisdictions may not be relevant, and Solaria may spend substantial resources familiarizing itself with the new environment and conditions. Pipeline Solaria’s current business strategy requires the successful completion of the development and operation of the projects in its portfolio and its plans to further organically grow such portfolio of solar PV parks. As part of Solaria’s growth plan, Solaria may acquire solar PV parks in different development stages. The development of the projects in Solaria’s pipeline involves numerous risks and uncertainties and requires extensive funding, research, planning and due diligence. Solaria may be required to incur significant amounts of capital expenditure for land viability analysis, land and interconnection rights, preliminary engineering, permitting, legal and other expenses before it can determine whether a solar PV park is economically, technologically or otherwise feasible. Difficulties that Solaria may face when executing this development and growth strategy include: • obtaining and maintaining required construction, environmental and other permits, licenses and approvals; securing suitable project sites, necessary rights of way and satisfactory land rights (including land use) in the appropriate locations with capacity on the transmission grid; • unanticipated changes in project plans; • connecting to the power grid on schedule and within budget; • connecting to the power grid if there is insufficient grid capacity; • identifying, attracting and retaining qualified development specialists, technical engineering specialists and other key personnel; • entering into PPAs or other arrangements that are commercially acceptable and adequate to obtain third-party financing therefor; • securing cost-competitive financing on attractive terms; • the availability of solar PV modules and other specialized equipment, increases in their prices and negotiating favourable payment terms with suppliers; • negotiating satisfactory engineering, procurement and construction (“EPC”) agreements; • satisfactorily completing construction on schedule, avoiding defective or late execution by providers and contractors labour, including equipment and materials supply delays, shortages or disruptions, work stoppages or labour disputes; • cost over-runs, due to any one or more of the foregoing factors; • operating and maintaining solar PV parks efficiently to maintain the power output and system performance; and • accurately prioritizing geographic markets for entry, including estimates on addressable market demand. Accordingly, some of the pipeline solar PV projects may not be completed or even proceed to construction and Solaria may not be able to recover any of the amounts invested. All the foregoing shall be taken into account by those persons or entities which have to take decisions or issue opinions relating to the securities issued by Solaria. All such persons or entities are invited to consult all public documents and information of the Company registered within the Spanish Securities Market Commission, including the Exchange Information.
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Thank you