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

Docusign Envelope ID: 7AE5BD34-2CD3-8416-8249-E15DCE849EDA Format for disclosures under Regulation 29(2) of SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 Name of the Target Company (TC) USHA MARTIN LIMITED Name(s) of the acquirer and Persons Peterhouse Investments Limited Acting in Concert (PAC) with the acquirer Whether the acquirer belongs to Yes Promoter/Promoter group Name(s) of the Stock Exchange(s) Mumbai Stock Exchange (BSE), The National Stock where the shares of TC are Listed Exchange of India Ltd. (NSE), Societe de la Bourse de Luxembourg (GDR are listed at Luxembourg) Details of the acquisition / disposal as Number % w.r.t. % w.r.t. total total follows share/voti diluted ng share/voti capital ng wherever capital of applicable the TC (*) Before the acquisition/disposal under 2,250,000 0.734% 0.734% consideration, holding of: Equity Shares a) Shares carrying voting rights (And 185,691 GDRs yet to be converted into 928,455 Equity Shares at the option of the holder) b) Shares in encumbrance (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 T C (specify holding in each category) 2,050,000 Equity Shares 0.734% 0.734% e) Total (a+b+c+d) (And 185,691 GDRs yet to be converted into 928,455 Equity Shares at the option of the holder) Details of acquisition/sale a) Shares carrying voting rights 200,000 0.066% 0.066% acquired/sold equity shares 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 Docusign Envelope ID: 7AE5BD34-2CD3-8416-8249-E15DCE849EDA in each category) acquired/sold d) Shares encumbered / invoked/released by the acquirer 200,000 e) Total (a+b+c+/-d) Equity shares sold 0.066% 0.066% After the acquisition/sale, holding of: a) Shares carrying voting rights 2,050,000 (And 185,691 GDRs yet to be 0.67% 0.67% converted into 928,455 Equity Shares at the option of the holder) b) Shares encumbered with the acquirer 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) 2,050,000 0.67% 0.67% (And 185,691 GDRs yet to be converted into 928,455 Equity Shares at the option of the holder) Mode of acquisition/sale (e.g. open Open Market (National Stock Exchange) market / off-market / public issue / rights issue /preferential allotment / inter-se transfer etc.) Date of acquisition / sale of shares / VR 22.09.2026 or date of receipt of intimation of allotment of shares, whichever is applicable Equity share capital / total voting capital 30,47,41,780 of the TC before the said acquisition / sale Equity share capital/ total voting capital 30,47,41,780 of the TC after the said acquisition / sale Total diluted share/voting capital of the 30,47,41,780 TC after the said acquisition/sale (*) Total share capital/ voting capital to be taken as per the latest filing done by the company to the Stock Exchange under SEBI (LODR). (**) 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 / Authorized Signatory Place: Guernsey Date: 23.09.2026 ****** Docusign Envelope ID: 7AE5BD34-2CD3-8416-8249-E15DCE849EDA Peterhouse Investments Limited Administrative Office: PO Box 287, 4th Floor, West Wing, Trafalgar Court, Admiral Park, St. Peter Port, Guernsey GY1 3RL Telephone: +44 1481 727571 Fax: +44 1481 723162 Date: 23.09.2026 To, To, To The Secretary The Secretary Bombay Stock Exchange National Stock Exchange of The Company Secretary Limited India Ltd M/s Usha Martin Limited Floor 25, Phiroze Jeejeebhoy Exchange Plaza, 2A, Shakespeare Sarani, Towers, Dalal Street Plot No. C/1, G Block, Kolkata-700 071 Mumbai – 400 001 Bandra Kurla Complex, Bandra ( East) E-mail: cosec@ushamartin.co.in E-mail: Mumbai – 400 051 corp.relations@bseindia.com Email: takeover@nse.co.in Dear Madam/Sir, Enclosed please find herewith a declaration under Regulation 29 (2) of the SEBI SAST Regulations, 2011 for sale of equity shares of Usha Martin Limited for your reference and record. Kindly acknowledge the receipt. Yours Sincerely TRIDENT TRUST COMPANY (GUERNSEY) LTD Per: Authorized Signatories for Trident Corporate Services (No.2) Limited as Sole Corporate Director of Peterhouse Investments Limited Registered Office: Trident Chambers, P O Box 146, Wickhams Cay, Road Town, Tortola, British Virgin Islands Incorporation number: 248779. Place of Incorporation: British Virgin Islands Directors: Trident Corporate Services (No.2) Limited