The Exchange has received the disclosure under Regulation 29(2) of SEBI (Substantial Acquisition of Shares & Takeovers) Regulations, 2011 for Catalyst Trusteeship Ltd

CTL/SAST/26-27/01187 August 13, 2026 1) BSE Limited Floor 25, P. J. Towers, Dalal Street, Mumbai, Mumbai – 400001 E: corp.relations@bseindia.com 2) Refex Renewables & Infrastructure Limited 2nd Floor, Refex Towers, Sterling Road Signal, 313, Valluvar Kottam High Road, Nungambakkam, Chennai – 600034 Tamil Nadu E: cs@refexrenewables.com Dear Sir / Madam, Sub.: Disclosure under Regulation 29(2) of Securities and Exchange Board of India (Substantial Acquisition of Shares and Takeover) Regulations 2011 in relation to fully release of pledge over equity shares of Refex Renewables and Infrastructure Limited. Pursuant to Regulation 29(2) of the SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011, please find attached the disclosure in respect of fully release of pledged equity shares of Refex Renewables & Infrastructure Limited (“Target Company”) in favour of Catalyst Trusteeship Limited in the capacity of Debenture Trustee for the benefit of Debenture holders. This is for your information and records. Sincerely, For Catalyst Trusteeship Limited Authorised Signatory Name: Deesha Srikkanth Designation: Senior Vice President Place: Mumbai Date: August 13, 2026 Encl.: As above ANNEXURE A Disclosures under Regulation 29(2) of the Securities and Exchange Board of India (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 1 Name of the Target Company (TC) Refex Renewables & Infrastructure Limited Name(s) of the acquirer and Persons Acting in Concert Catalyst Trusteeship Limited acting as Debenture (PAC) with the acquirer Trustee on behalf of Debenture holders Whether the acquirer belongs to Promoter/ Promoter 3 No group Name(s) of the Stock Exchange(s) where the shares of 4 BSE Limited TC are Listed % w.r.t. total % w.r.t. total share/ voting diluted share/ No. of 5 Details of the acquisition/disposal as follows capital voting capital shares wherever of applicable (*) the TC (**) Before the acquisition under consideration, holding of: a) Shares carrying voting rights - - - b) Shares in the nature of encumbrance 10,05,600 22.35 22.35 (pledge/lien/non-disposal undertaking/others) c) Voting rights (VR) otherwise than by shares - - - d) Warrants/ convertible securities/ any other - - - instrument that entitles the acquirer to receive shares carrying voting rights in the TC (specify holding in each category) e) Total (a+b+c+d) 10,05,600 22.35 22.35 Details of acquisition / sale a) Shares carrying voting rights acquired / sold - - - b) VRs acquired / sold otherwise than by shares - - - c) Warrants/convertible securities/any other - - - instrument that entitles the acquirer to receive shares carrying voting rights in the TC (specify holding in each category) acquired / sold d) Shares released by the acquirer 10,05,600 22.35 22.35 e) Total (a+b+c+/-d) 10,05,600 22.35 22.35 After the acquisition/sale, holding of: a) Shares carrying voting rights - - - b) Shares encumbered with the acquirer NIL NIL NIL c) VRs otherwise than by shares - - - d) Warrants/ convertible securities/ any other instrument that entitles the acquirer to receive shares - - - carrying voting rights in the TC (specify holding in each category) after acquisition e) Total (a+b+c+d) NIL NIL NIL Mode of acquisition / disposal / sale (e.g. open market / off market/ public issue/ rights issue/ preferential By way of release of equity shares allotment / inter-se transfer, etc.) Date of acquisition/ disposal / sale of shares /VR or date of receipt of intimation of allotment of shares, August 11, 2026 whichever is applicable. ₹4,49,79,350 Equity share capital/total voting capital of the TC (44,97,935 equity shares having face value of ₹10/- before the said acquisition/ disposal/ sale each) ₹4,49,79,350 Equity share capital/ total voting capital of the TC after (44,97,935 equity shares having face value of ₹10/- the said acquisition/ disposal/ sale each) Total diluted share/voting capital of the TC after the Not Applicable said acquisition/ disposal Note: (*) 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. Signature of the acquirer / seller / authorised signatory For Catalyst Trusteeship Limited Authorised Signatory Name: Deesha Srikkanth Designation: Senior Vice President Place: Mumbai Date: August 13, 2026