Execution of Power Purchase Agreement

Leading Through Innovation J uly 21, 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 Ref: Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended Subject: Execution of Power Purchase Agreement Dear Sir/Madam, Pursuant to the provisions of Regulation 30 read with Para B of Part A of Schedule III and other applicable provisions of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”), we wish to inform that, ACME Renewtech Fifth Private Limited, a wholly owned subsidiary of ACME Solar Holdings Limited has executed a Power Purchase Agreement (PPA) with Solar Energy Corporation of India Limited (SECI) for a Wind-Solar Hybrid project for a contract capacity of 300 MW under Hybrid Tranche IX. The details as required under Regulation 30 of the Listing Regulations read with SEBI Master Circular bearing Ref. No. HO/ 49/ 14/ 14(7)2025-CFD-POD2/ I/ 3762/ 2026 dated January 30, 2026, are enclosed herewith as Annexure-A. Press Release titled “ACME Solar signs PPA with SECI for 300MW ISTS-connected Wind-Solar Hybrid Renewable Energy Project” is annexed herewith. The aforesaid information shall also be available on the website of the Company i.e. www.acmesolar.in. Please note that this is a voluntary disclosure. This is for your information and record. Thanking you, for ACME Solar Holdings Limited Rajesh Sodhi Company Secretary and Compliance Officer Encl: As stated ACME Solar Holdings Limited (formerly ACME Solar Holdings Private Limited) CIN: L40106HR2015PLC102129 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; Leading Through Innovation Annexure-A Information as required under Regulation 30 read with Para B of Part A of Schedule III of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 and SEBI Master Circular bearing Ref. No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026. Sl. Particular Details a. Name of the entity awarding Solar Energy Corporation of India Limited the order(s)/contract(s) (“SECI”) b. Significant terms and ACME Renewtech Fifth Private Limited, a conditions of order(s)/ wholly owned subsidiary of contract(s) awarded in brief ACME Solar Holdings Limited, has executed Power Purchase Agreement (PPA) for Wind-Solar Hybrid power project with SECI for contract capacity of 300 MW under a Hybrid Tranche IX. c. Whether order(s) / Domestic contract(s) have been awarded by domestic/ international entity d. Nature of order(s) / Power Purchase Agreement contract(s) e. Whether domestic or Domestic international f. Time period by which the Scheduled Commencement of Supply Date order(s)/contract(s) is to be (“SCSD”) – 30.06.2028 executed Project tenure – 25 years from the date of SCSD g. Broad consideration or size Size of the project – 300 MW, at a tariff of of the order(s)/contract(s) Rs. 3.25 per unit. h. Whether the promoter/ No promoter group / group companies have any interest in the entity that awarded the order(s)/contract(s)? If yes, nature of interest and details thereof i. Whether the No order(s)/contract(s) would fall within related party transactions? If yes, whether the same is done at “arm’s length” ACME Solar Holdings Limited (formerly ACME Solar Holdings Private Limited) CIN: L40106HR2015PLC102129 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; ACME Solar signs PPA with SECI for 300MW ISTS-connected Wind-Solar Hybrid Renewable Energy Project GURUGRAM, July 21, 2026: ACME Solar Holdings Limited (ACME Solar), through its subsidiary ACME Renewtech Fifth Private Limited, has signed a 25-year Power Purchase Agreement (PPA) with Solar Energy Corporation of India Limited (SECI) for a 300 MW ISTS-connected Wind-Solar Hybrid Renewable Energy Project. The tariff is already approved and adopted by Central and State Regulator. The Hybrid RE Project will be connected to ISTS substations and will utilize company’s already secured connectivity at high-irradiation and wind zones. Under the PPA, ACME Solar will supply power at a minimum annual capacity utilization factor (CUF) of 30%. With this, out of the total contracted portfolio of 8,070 MW, the PPA-signed portfolio stands at 6,870 MW. About ACME Solar: ACME Solar Holdings Limited is a leading integrated renewable energy player with a diversified portfolio of 8,070 MW spanning solar, wind, storage, FDRE and hybrid solutions and an operational contracted capacity of 2,990 MW and ~3.62 GWh of BESS capacity and under construction contracted capacity of 5,080 MW. The under construction PPA signed portfolio stands at 3,880 MW. 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 Details Please Contact ACME Group Corporate Communications Frederick Castro Rimjim Bora Mob: +91 9920665176 Mob: +91 98732 10182 Email: frederick.castro@acme.in Email: rimjim.bora@acme.in