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/26-27/02240 21 September 2026 Department of Corporate Services, BSE Limited Floor 25, P J Towers, Dalal Street, Mumbai - 400 001 National Stock Exchange of India Limited Exchange Plaza, Bandra Kurla Complex, Bandra (E), Mumbai - 400 051 Patel Engineering Limited Patel Estate Road, Jogeshwari (West) Mumbai – 400102 Sub: Disclosure pursuant to Regulation 29 (2) of the SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 in relation to equity shares of PATEL ENGINEERING LIMITED Pursuant to the disclosure required to be made under Regulation 29 (2) of the SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011, please find attached the disclosure in respect of the release of pledged equity shares and acquisition of NDU of “PATEL ENGINEERING LIMITED” by “Catalyst Trusteeship Limited” in the capacity of Debenture Trustee for the benefit of Debenture Holders. For Catalyst Trusteeship Limited Authorised Signatory Name: Deesha Srikkanth Designation: Senior Vice President Place: Mumbai Date: 21 September 2026 Disclosures under Regulation 29(2) of SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 PATEL ENGINEERING LIMITED Name of the Target Company (TC) a) Release of Pledged Equity shares of Name(s) of the acquirer and Persons Acting in Concert PATEL ENGINEERING LIMITED (PAC) with the acquirer by Catalyst Trusteeship Ltd acting as Debenture Trustee on behalf of Debenture Holders. b) Creation of NDU of PATEL ENGINEERING LIMITED Whether the acquirer belongs to Promoter/Promoter group BSE Limited Name(s) of the Stock Exchange(s) where the shares of TC National Stock Exchange of India Limited are Listed Number % w.r.t.total % w.r.t. share/voting total diluted Details of the acquisition / disposal as follows capital share/voting wherever capital of applicable(*) the TC (**) Before the acquisition/disposal under consideration, holding of: a) Shares carrying voting rights - - - b) Shares in the nature of encumbrance (pledge/ lien/ 26,10,52,982 26.31 26.31 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 T C (specify holding in each category) e) Total (a+b+c+d) 26,10,52,982 26.31 26.31 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 encumbered / invoked/released/NDU encumbered by the acquirer (6,16,71,158) (6.22) (6.22) Release of pledged shares 6,16,71,158 6.22 6.22 NDU encumbered e) Total (a+b+c+/-d) Nil Nil Nil After the acquisition/sale, holding of: a) Shares carrying voting rights - - - b) Shares encumbered with the acquirer 26,10,52,982 26.31 26.31 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) 26,10,52,982 26.31 26.31 By way of release of pledge of equity shares Mode of acquisition / sale (e.g. open market / off-market / of (6,16,71,158) public issue / rights issue / preferential allotment / inter-se transfer etc). NDU Acquisition of 6,16,71,158 Equity shares released on September 17, Date of acquisition / Release of shares / VR or date of 2026 (6,16,71,158) receipt of intimation of allotment of shares, whichever is applicable NDU Acquisition of 6,16,71,158 on September 18, 2026 99,21,41,937 Equity share capital / total voting capital of the TC before the said acquisition / sale 99,21,41,937 Equity share capital/ total voting capital of the TC after the said acquisition / sale 99,21,41,937 Total diluted share/voting capital of the TC after the said acquisition 99,21,41,937 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. Note:- Release of Shares of PATEL ENGINEERING LIMITED - Release of Pledged Equity shares -6,16,71,158 of PATEL ENGG LTD by Catalyst Trusteeship Ltd acting as Debenture Trustee on behalf of Debenture Holders. Acquisition of NDU- NDU Acquisition of 6,16,71,158 Ms. Janky Patel - 2,92,83,433- 2.95% Praham India LLP- 32387725- 3.26% For Catalyst Trusteeship Limited Authorised Signatory Name: Deesha Srikkanth Designation: Senior Vice President Place: Mumbai Date: 21 September 2026