Certificate under SEBI (Depositories and Participants) Regulations, 2018

DOLPHIN OFFSHORE ENTERPRISES (INDIA) LIMITED MAY FAIR, A-11, SECOND FLOOR, NEW FAIR CO-OPERATIVE HOUSING SOCIETY LTD., 26, S. V. ROAD, BANDRA (WEST), MUMBAI 400050. Email : info@dolphinoffshore.com Mob No. +91 6357073229 Date: 08th July, 2026 To, To, Corporate Relations Department Corporate Relations Department Bombay Stock Exchange Limited National Stock Exchange of India Ltd. 2nd Floor, P.J. Towers, Exchange Plaza, Plot No. C/1, G-Block, Dalal Street, Bandra Kurla Complex, Bandra (E), Mumbai – 400001 Mumbai – 400051. SCRIP CODE: 522261 SYMBOL: DOLPHIN Sub: Certificate under Regulation 74(5) of the Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018 for the quarter ended on 30th June, 2026 Dear Sir/Madam, With reference to the above subject, please find enclosed herewith the confirmation certificate received from M/s. MUFG Intime India Pvt. Ltd (Formerly Known as Link Intime India Private Limited), Registrar and Share Transfer Agent (RTA) of the Company as per regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended on 30th June, 2026. You are requested to take the same on your records. Thanking You. Yours faithfully, For, Dolphin Offshore Enterprises (India) Limited Krena Khamar Company Secretary & Compliance Officer Membership No. A62436 Encl: As above Website: www.dolphinoffshore.com CIN: L11101MH1979PLC021302 ® REGISTERED TRADE MARK MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) CIN : U67190MH1999PTC118368 5th Floor, 506 To 508, Amarnath Business Centre–1 ( Abc-1) ,Beside Gala Business Centre, Nr St. Xavier’s College Corner,Off C G Road, Ellisbridge Ahmedabad - 380006 Tel : 079-26465179 /5186 / 5187, E-mail : investor.helpdesk@in.mpms.mufg.com Website: www.in.mpms.mufg.com Date: 01.07.2026 The Compliance Officer/ Company Secretary Dolphin Offshore Enterprises (India) Limited May Fair A-11 Second Floor New Fair Co-Operative Housing Society Ltd 26 S V Road Bandra West Mumbai-400050 Sub : Confirmation Certificate under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. Dear Sir/Madam, In reference to the above captioned regulation, we hereby confirm that the securities received from the depository participants for dematerialisation during the quarter ended 30th June 2026, were confirmed (accepted/rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchanges where the earlier issued securities are listed. We hereby also confirm that the security certificates received for dematerialisation have been confirmed/rejected and the security certificates received were mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in the register of members as the registered owner within the prescribed timelines. We request you to kindly take note of the above in your records. Thanking you, Yours faithfully, For, MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) Amit Kumar Banerjee Authorized Signatory