Update on commissioning of Battery Energy Storage System (BESS) Project

Leading Through Innovation October 31, 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 Reference: Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 Subject: Update on commissioning of Battery Energy Storage System (BESS) Project Dear Sir/Madam, In continuation of our intimation dated October 23, 2026, we wish to inform that ACME Solar Holdings Limited (“ASHL”), through its wholly owned subsidiary i.e. ACME Sigma Urja Private Limited, has additionally commissioned BESS component comprising 88.02 MW/ 366.969 MWh out of 250 MW / 1069 MWh (Discharge Capacity) of the FDRE Project located at Village: Neemri, Tehsil: Rawatbhata, District: Chittorgarh, Rajasthan on October 30, 2026. The Commercial operation date (COD) for the same shall be November 01, 2026. With this, ACME Sigma Urja Private Limited has achieved cumulative commissioned BESS capacity of 159.660 MW / 664.261 MWh (Discharge capacity). You are requested to take the same on your record. Thanking you, For ACME Solar Holdings Limited Rajesh Sodhi Company Secretary and Compliance Officer 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