Press Release

Leading Through Innovation October 28, 2026 To To BSE Limited National Stock Exchange of India Ltd Corporate Relationship Dept., Corporate Relationship Dept., Phiroze Jeejeebhoy Towers, Exchange Plaza, Plot No. C/1, G Block, Dalal Street, Mumbai 400001 Bandra-Kurla Complex, Bandra (East), Mumbai 400 051 Scrip Code: 544283 Symbol: ACMESOLAR Sub: Press Release on Q2 FY27 results Dear Sir/Madam, Please find enclosed a Press Release on Q2 FY27 results. The press release is being made available on the Company’s website at www.acmesolar.in You are requested to take the same on your record. Thanking you, For ACME Solar Holdings Limited Rajesh Sodhi Company Secretary and Compliance Officer Encl: As stated Note: This is voluntary submission and not to be considered as an intimation under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements), Regulations, 2015. ACME Solar Holdings Limited CIN L40106HR2015PLC102129 Corporate Office: 4th, 6th to 8th Floor, Block A1, DLF World Tech Park, DLF IT SEZ Silokhera, Sector 30, Gurugram, Haryana 122001 India Tel: +91-124-4507100 Fax: +91-124-7117001 Regd. Office: Plot No .152, Sector-44, Gurugram 122002, Haryana, India Tel: +91-124-7117000 Fax: +91-124-7117001 Email: cs.acme@acme.in; Website: www.acmesolar.in; Press Release October 28th, 2026 Acme Solar Reports EBITDA of INR 874 Cr (up ▲ 63.6% YoY) and PAT of INR 269 Cr (up ▲ 133.5% YoY) for Q2 FY27 on Consolidated Basis Key Highlights for Q2 till date: ✓ 430 MW of FDRE PPAs signed, taking total UC contracted PPA signed capacity to 4,310 MW entailing ~17 GWh2 BESS installations o PPAs signed for 7.3 GW, representing 87% of total portfolio capacity ✓ Commissioned ~2.1 GWh BESS for the quarter till date, taking total commissioned BESS capacity to ~5.2 GWh – 2nd largest BESS capacity in India o Commissioned BESS & solar enables partial commissioning of ~1.9 GW projects o Initial Target achieved for half yearly BESS commissioning at 5 GWh ✓ ACME Solar Holdings upgraded to CRISIL AA-/Positive from CRISIL AA-/Stable ✓ Short-term BESS contracts: o INR 1,600+ Cr revenue lock-in for partial sale of FY27 BESS capacity o INR 1,500+ Cr revenue lock-in for partial sale of FY28 BESS capacity till date and balance to be tied up through future bids ✓ Strategy 2.0 Upward target revisions: o FY27 cumulative BESS commissioning 10 GWh → 12+ GWh o 2030 RE target from 10 GW generation capacity → 15 GW leveraging FDRE/assured peak power, CfD, RE power for Green Hydrogen/Molecules, Data Centers amongst others Financial Highlights Key Consolidated Financial Highlights are as follows: - Particulars Quarterly Performance Half Yearly Performance (INR Cr) Q2 FY27 Q2 FY26 % Change H1 FY27 H1 FY26 % Change Total Revenue 1,007 601 67.5% 1,961 1,185 65.4% EBITDA 874 534 63.6% 1,704 1,065 60.1% EBITDA Margin 86.7% 88.8% NA 86.9% 89.8% NA PAT 269 115 133.5% 504 246 105.0% PAT Margin 26.7% 19.1% NA 25.7% 20.7% NA Cash PAT1 441 228 93.2% 831 482 72.3% Consolidated Financial Highlights: • Revenue increased by 67.5% for the quarter (y-o-y basis), primarily driven by BESS and RE capacity addition • EBITDA and PAT up by 63.6% and 133.5% respectively for the quarter (y-o-y basis) 1 Computed as PAT + Depreciation +/ (-) Exceptional items • PAT margin stood at 26.7% in Q2 FY27 Business Highlights • Capacity Commissioned: ✓ Commissioned ~2.1 GWh BESS during the quarter till date, taking cumulative commissioned BESS capacity to ~5.2 GWh - 2nd largest installed BESS capacity in India • BESS Updates: ✓ ~19 GWh BESS contracted with reputed suppliers including CATL, Hithium, Ganfeng Li Energy, Trina, CLOU amongst others • Financing and Rating Updates: ✓ ACME Solar Holdings upgraded to CRISIL AA-/Positive from CRISIL AA-/Stable ✓ Debt tied up of ~INR 9,100 Cr from JPMorgan Chase Bank, IIFCL, REC, PFC and IREDA ✓ Weighted average cost of debt for fully operational projects stands at 8.4% • Connectivity and Land Update: ✓ Connectivity available, secured and/or applied across all under-construction projects, including projects where PPAs are yet to be signed ✓ RE Connectivity inventory of ~10 GW available (including secured and applied) for upcoming bids over and above existing portfolio Operational Highlights • 1,840 million units (MUs) generated in Q2 FY27, up 19.6% from Q2 FY26 driven by capacity addition and higher irradiation • Additionally, 324 million units sold in Q2 FY27 through short-term peak power BESS operations • Capacity utilization factor has increased from 24.1% in Q2 FY26 to 27.8% in Q2 FY27 • Plant availability and grid availability at 99.3% and 99.2% respectively for Q2 FY27 About ACME Solar Holdings Limited ACME Solar Holdings Limited is a leading integrated renewable energy player with a diversified contracted portfolio of 8,370 MW spanning Solar, BESS, FDRE, Hybrid and Wind solutions and an operational capacity of ~3,123 MW and 5.24 GWh of BESS capacity. With an in-house EPC and O&M division, the company does end-to-end development and O&M of the plants, thereby delivering projects in a time & cost-effective manner while ensuring best in class operating performance evident in its industry leading CUF and operating margins. For further information, please contact: Investor Relations Team Investor.relations@acme.in Safe Harbor Some of the statements in this communication may be forward looking statements within the meaning of applicable laws and regulations. Actual results may differ from such expectations, projections etc., whether express or implied. These forward-looking statements may be based on various assumptions, expectations and other factors which are not limited to, risk and uncertainties regarding fluctuations in earnings, competitive intensity, pricing environment in the market, economic conditions affecting demand and supply, change in input costs, ability to maintain and manage key supply chain sources, new or changed priorities of trade, significant changes in political stability in India and globally, government regulations and taxation, climatic conditions, natural calamity, litigation among others over which the Company does not have any direct control. These factors may affect our ability to successfully implement our business strategy. The Company cannot, therefore, guarantee that the ‘forward-looking’ statements made herein shall be realized. The Company, may alter, amend, modify or make necessary corrective changes in any manner to any such forward looking statement contained herein or make written or oral forward-looking statements as may be required from time to time on the basis of subsequent developments and events.