In line with the SEBI (Prohibition of Insider Trading) Regulations, 2015, we hereby inform that the Trading Window for dealing in the Company''s securities shall be closed for Designated Persons and their Immediate Relatives from Thursday, October 01, 2026 till 48 hours after the declaration of the Unaudited Financial Results for the Quarter and Half year ended September 30, 2026.

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: Intimation of Trading Window Closure Period (TWCP) of the Company Ref: SEBI (Prohibition of Insider Trading) Regulations, 2015 In line with the requirements of the SEBI (Prohibition of Insider Trading) Regulations, 2015 (as amended) read with the Company’s Code of Conduct for Prevention of Insider Trading (“Code”) and other applicable provisions, circulars, if any, the Trading Window for dealing in the Company’s Securities shall remain closed for Designated Persons and their Immediate Relatives from Thursday, October 01, 2026 till 48 hours after the announcement of the Unaudited Standalone and Consolidated Financial Results for the Quarter and Half Year ended September 30, 2026. The same had been intimated to all the Designated Persons and their Immediate Relatives through mail on September 29, 2026. The date of the Board Meeting for considering the Unaudited Standalone and Consolidated Financial Results for the Quarter and Half Year ended September 30, 2026, will be intimated separately in due course. You are requested to take the above on record. Yours sincerely, For Avalon Technologies Limited Name of the Person: Mr. Ajay Shukla Designation: Company Secretary & Compliance Officer M. No: A36992 Date: 30.09.2026