Update on Credit Rating of the Company by CRISIL Ratings

Leading Through Innovation October 02, 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, as amended (SEBI Listing Regulations) Subject: Update on credit rating of ACME Solar Holdings Limited Dear Sir/Madam, In continuation of our earlier intimation dated January 29, 2026, we wish to inform that Crisil Ratings Limited (‘Crisil Ratings’) has revised its rating outlook on the long-term bank facilities of ACME Solar Holdings Limited to ‘Positive’ from ‘Stable’ while reaffirming the rating at ‘Crisil AA-’, as per the details mentioned below: Total Bank Loan Facilities Rs 2500 crore (Enhanced from Rs 1500 crore) Rated Long-term rating Crisil AA-/Positive (Outlook revised from 'Stable'; Rating Reaffirmed) The rating rationale issued by Crisil Ratings is available at: https://www.crisilratings.com/mnt/winshare/Ratings/RatingList/RatingDocs/ AcmeSolarHoldingsLimited_October%2001_%202026_RR_406350.html We request you to take the same on 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;