Agreements

SEAMEC LIMITED A member of MMG l'flJGV,.WAJ..GROJP Regd. Office: A-901-905, 9th Floor, 215 Atrium, Andheri Kurla Road, Andheri (East), Mumbai 400 093, India Tel.: +91-22-6694 1800 • Fax: +91-22-6694 1818 • E-mail : contact@seamec.in • CIN : L63032MH1986PLC154910 SEAMEC/BSE&NSE/SMO/GRILPRP8A&DSF2/3009/2026 September 30, 2026 Corporate Relations Department The Manager Listing Department BSE Limited National Stock Exchange of India Limited Phirojee Jeejeebhoy Towers, Exchange Plaza, Plot No. C/1, G Block, Dalal Street, Bandra-Kurla Complex, Bandra (East) Mumbai - 400001 Mumbai - 400051 Scrip Code: 526807 Trading Symbol: SEAMECLTD Sub: Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Dear Sir / Madam, We wish to inform you that the Company has entered into a Bimco Charter Party with M/s. G R Infraprojects Limited for Charter Hire of our Vessel “SEAMEC II” for deploying in subsea installation in Part Replacement Pipeline (PRP-8A) and DSF 2 Project of Oil and Natural Gas Corporation Limited (ONGC). The tenure of the subcontract is for 180 days with option for extension on mutually agreed terms. The charter to commence within the window period of 15th October 2026 to 31st October 2026. The total value of the subcontract is approximately USD 19.02 million exclusive of GST. Pursuant to Clause 5 of Para B of Part A of Schedule III of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with SEBI circular dated January 30, 2026, we enclose herewith the requisite details in respect of the said Bimco Charter Party entered between SEAMEC LIMITED and M/s. G R Infraprojects Limited in the prescribed ANNEXURES Date and time of receipt of intimation of event: September 30, 2026 at 08:31 hours. We request you to kindly take the above on your records. Thanking you, Yours Faithfully, For SEAMEC LIMITED S.N. Mohanty President – Corporate Affairs, Legal and Company Secretary Please visit us at: www.seamec.in - Q Q CONTRACTOR MEMBER GIMCA ~ MGMTSYS MGMlSYS 1SO9001:2015 1SO14001:2015 1SO4SO0U018 International Marine Contractors Association Certified by IRQS Av AC0 71 Certified by IRQS AvA C07 1 Certified by IRQS OHSMS 007 SEAMEC LIMITED A member of MMG l'flJGV,.WAJ..GROJP Regd. Office: A-901-905, 9th Floor, 215 Atrium, Andheri Kurla Road, Andheri (East), Mumbai 400 093, India Tel.: +91-22-6694 1800 • Fax: +91-22-6694 1818 • E-mail : contact@seamec.in • CIN : L63032MH1986PLC154910 ANNEXURE (Clause 5) Sr. No. Description Remarks a) Name(s) of parties with whom the Bimco Charter Party Agreement is M/s. G R Infraprojects Limited entered b) Purpose of entering into the Bimco Charter Party Agreement Charter Hire of Vessel “SEAMEC II” for deploying in subsea installation works in Pipeline Replacement Project (PRP-8 A) and DSF 2 Project of Oil and Natural Gas Corporation Limited (ONGC). The tenure of the Charter Party is for 180 days with option for extension on mutually agreed terms c) Size of Bimco Charter Party Agreement The total value of the Charter Party is approximately USD 19.02 million exclusive of GST. The charter to commence within the window period of 15th October 2026 to 31st October 2026. d) Shareholding, if any, in the entity with whom the agreement is executed; NA e) Significant terms of the agreement (in brief) special rights like right to NA appoint directors, first right to share subscription in case of issuance of shares, right to restrict any change in capital structure etc. f) Whether, the said parties are related to Promoter / Promoter Group / Group NO companies in any manner. If yes, nature of relationship. g) Whether the transaction would fall within Related Party Transactions? If yes, NO whether the same is done at “arm’s length” h) In case of issuance of shares to the parties, details of issue price, class of NA shares issued i) In case of loan agreements, details of lender/ borrower, nature of the loan, NA total amount of loan granted / taken, total amount outstanding, date of execution of the loan agreement/sanction letter, details of the security provided to the lender / by the borrowers for such loan or in case outstanding loans lent to a party or borrowed from a party become material on a cumulative basis j) Any other disclosures related to such agreements, viz, details of nominee on NA the board of directors of the listed entity, potential conflict of interest arising out of such agreement, etc; k) In case of termination or amendment of agreement, listed entity shall NA disclose additional details to the Stock Exchange(S): i) Name of the parties to the agreement; ii) Nature of the agreement; iii) Date of execution of the agreement; iv) Details of amendment and impact thereof or reasons of termination and impact thereof; Please visit us at: www.seamec.in - Q Q CONTRACTOR MEMBER GIMCA ~ MGMTSYS MGMlSYS 1SO9001:2015 1SO14001:2015 1SO4SO0U018 International Marine Contractors Association Certified by IRQS Av AC0 71 Certified by IRQS AvA C07 1 Certified by IRQS OHSMS 007