Please find the enclosed disclosure on ESG Rating as per Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015.

To: To: BSE Limited The Manager Corporate Relationship Department Listing Department PJ Towers, The National Stock Exchange of India Limited Dalal Street, “Exchange Plaza”, Bandra – Kurla Complex, Mumbai -400001 Bandra (EAST), Mumbai – 400051 BSE SCRIP CODE: 543896 NSE SYMBOL: AVALON Sir/Madam, Sub: - Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to the above-mentioned SEBI Regulations, we would like to inform you that Crisil ESG Ratings & Analytics Limited (“Crisil ESG Ratings”) has assigned an Environmental, Social, and Governance (ESG) rating of ‘Crisil ESG 58’ under ‘Adequate’ Category to the Company. The ESG rating has been assigned voluntarily based on the disclosures for financial year 2025-26 and other publicly available information. Date of occurrence of event/information October 13, 2026 Time of occurrence of event/information 9.44 p.m. (IST) You are requested to take the above information on your record. For Avalon Technologies Limited Name of the Person: Mr. Ajay Shukla Designation: Company Secretary & Compliance Officer Membership Number: A36992 Date: October 14, 2026