ACME Solar operationalizes 3.62 GWh Battery Energy Storage System projects in Rajasthan

Leading Through Innovation July 23, 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 Dear Sir/Madam, Please find enclosed a Press Release titled “ACME Solar operationalizes 3.62 GWh Battery Energy Storage System projects in Rajasthan”. 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, DLE 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; Leading Through Innovation ACME Solar operationalizes 3.62 GWh Battery Energy Storage System projects in Rajasthan One of the fastest scale-up of BESS capacities in India Gurugram, July 23, 2026: ACME Solar Holdings Ltd (ACME Solar), through its various subsidiaries, has, cumulatively, commissioned ~2.29 GWh Battery Energy Storage System (BESS) in the current financial year till date. With this milestone, the overall operational BESS capacity stands at ~3.62 GWh across 3 project sites in Rajasthan. This is one of the fastest scale-up of BESS capacity in India and represents a major step forward in strengthening grid stability, supporting peak-hour demand, and advancing the transition to reliable, round-the-clock renewable power. Technical RCA Closure Update: Further to the media statement issued by ACME Solar Holdings Limited (ACME Solar) on July 17, 2026 regarding ACME Suryodaya BESS facility in Pokhran, Rajasthan, The root cause analysis has confirmed that the event originated due to an electrical short circuit, which caused the localized fire of the AC cables between Transformer and PCS, resulting in equipment shutdown. However, the fire did not damage other on-site equipment and was quickly brought under control. The restoration activities have been successfully completed. ACME Solar sincerely acknowledges the fast reaction provided by our on-site professional employees and technological support by partners during and after the incident. 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 ACME Solar Holdings Limited CIN L40106HR2015PLC102129 Corporate Office: 4th, 6th to 8th Floor, Block A1, DLF World Tech Park, DLE 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;