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BSE Limited, The Manager Corporate Relationship Department Listing Department P J Towers, National Stock Exchange of India Limited, Dalal Street, Exchange Plaza, Bandra Kurla Complex, Mumbai – 400 001 Bandra (East),Mumbai - 400 051 Scrip Code: 543896 Symbol: AVALON Dear Sir/Madam, Subject: Disclosure under Regulation 29(2) of SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 in respect of sale of equity shares of Avalon Technologies Limited We hereby inform that the Company has received a disclosure under Regulation 29(2) of the SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 (as amended) from Mr. Bhaskar Srinivasan, a Promoter of Avalon Technologies Limited, on behalf of himself as well as BBS Family Trust and KBS Family Trust (collectively referred to as the “Trusts”), in his capacity as Trustee of the said Trusts. You are requested to take the same on record. For Avalon Technologies Limited Name of the Person: Mr. Ajay Shukla Designation: Company Secretary & Compliance Officer M. No: A36992 Date: October 01, 2026 BSE Limited, The Manager Corporate Relationship Department Listing Department P J Towers, National Stock Exchange of India Limited, Dalal Street, Exchange Plaza, Bandra Kurla Complex, Mumbai – 400 001 Bandra (East),Mumbai - 400 051 Scrip Code: 543896 Symbol: AVALON Avalon Technologies Limited B - 7, First Main Road, MEPZ-SEZ, Tambaram, Chennai – 600045 Dear Sir/Madam, Subject: Disclosures under Regulation 29(2) of SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 in respect of sale of equity shares of Avalon Technologies Limited In compliance with Regulation 29(2) of the SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 (as amended), I, Bhaskar Srinivasan, a Promoter of Avalon Technologies Limited, hereby submit the requisite disclosure in respect of the sale of equity shares of the Company held by me individually, as well as by BBS Family Trust and KBS Family Trust (collectively referred to as the “Trusts”), in my capacity as Trustee of the said Trusts. You are requested to take the same on record. Bhaskar Srinivasan Promoter Avalon Technologies Limited Date: October 01, 2026 Place: Texas, USA Disclosures under Regulation 29(2) of Securities and Exchange Board of India (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 Name of the Target Company (TC) Avalon Technologies Limited Name(s) of the seller acquirer and Persons Acting in Concert Bhaskar Srinivasan (Promoter) (PAC) with the acquirer BBS Family Trust KBS Family Trust (Mr. Bhaskar Srinivasan is one of the Trustees of both the Trusts. The Trusts form a part of Promoter Group.) Whether the seller acquirer belongs to Promoter/Promoter group Yes Name(s) of the Stock Exchange(s) where the shares of TC are BSE Limited Listed National Stock Exchange of India Limited Number % w.r.t.total % w.r.t. total share/voting diluted capital share/voting Details of the acquisition / disposal as follows wherever capital of the TC applicable(*) (**) Before the acquisition under consideration, holding of : a) Shares carrying voting rights Bhaskar Srinivasan 62,70,355 9.38% BBS Family Trust 20,20,710 3.02% KBS Family Trust 20,20,710 3.02% b) Shares in the nature of encumbrance (pledge/ lien/ non- Nil Nil Nil disposal undertaking/ others) c) Voting rights (VR) otherwise than by shares Nil Nil Nil d) Warrants/convertible securities/any other instrument that entitles the acquirer to receive shares carrying voting rights Nil Nil Nil in the T C (specify holding in each category) e) Total (a+b+c+d) Bhaskar Srinivasan 62,70,355 9.38% BBS Family Trust 20,20,710 3.02% KBS Family Trust 20,20,710 3.02% Total 1,03,11,775 15.42% Details of acquisition/sale a) Shares carrying voting rights acquired/sold - Bhaskar Srinivasan 13,36,235 2.00% BBS Family Trust 13,36,235 2.00% KBS Family Trust 13,36,235 2.00% b) VRs acquired /sold otherwise than by shares Nil Nil - c) Warrants/convertible securities/any other instrument that - entitles the acquirer to receive shares carrying voting rights Nil Nil in the TC (specify holding in each category) acquired/sold d) Shares encumbered / invoked/released by the acquirer Nil Nil - e) Total (a+b+c+/-d) - Bhaskar Srinivasan 13,36,235 2.00% BBS Family Trust 13,36,235 2.00% KBS Family Trust 13,36,235 2.00% Total 40,08,705 6.00% After the acquisition/sale, holding of: a) Shares carrying voting rights - Bhaskar Srinivasan 49,34,120 7.38% BBS Family Trust 6,84,475 1.02% KBS Family Trust 6,84,475 1.02% b) Shares encumbered with the acquirer Nil Nil - c) VRs otherwise than by shares Nil Nil - d) Warrants/convertible securities/any other instrument that - entitles the acquirer to receive shares carrying voting rights Nil Nil in the TC (specify holding in each category) after acquisition e) Total (a+b+c+d) - Bhaskar Srinivasan 49,34,120 7.38% BBS Family Trust 6,84,475 1.02% KBS Family Trust 6,84,475 1.02% Total 63,03,070 9.42% Mode of acquisition / sale (e.g. open market / off-market / public Block Deal Mechanism in Stock Exchange issue / rights issue / preferential allotment / inter-se transfer etc). Date of acquisition / sale of shares / VR or date of receipt of September 30, 2026 intimation of allotment of shares, whichever is applicable Equity share capital / total voting capital of the TC before the said INR 13,37,64,600 consisting of 6,68,82,300 equity acquisition / sale shares of Face Value of INR 2 per share. Equity share capital/ total voting capital of the TC after the said INR 13,37,64,600 consisting of 6,68,82,300 equity acquisition / sale shares of Face Value of INR 2 per share. Total diluted share/voting capital of the TC after the said - acquisition (*) Total share capital/ voting capital to be taken as per the latest filing done by the company to the Stock Exchange under Clause 35 of the listing Agreement. (**) Diluted share/voting capital means the total number of shares in the TC assuming full conversion of the outstanding convertible securities/warrants into equity shares of the TC. Bhaskar Srinivasan Trustee of BBS Family Trust and KBS Family Trust Promoter - Avalon Technologies Limited (Signature of the acquirer / Seller / Authorised Signatory) Place: Texas, USA Date: October 01, 2026