Intimation on Deployment Status of ONGC''s Vessel "SAMUDRA SEVAK" managed by SEAMEC LIMITED - Onhire

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/ONHIRESAMUDRASEVAK/1609/2026 September 16, 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 – Deployment Status of Vessel “SAMUDRA SEVAK” Dear Sir / Madam, Further to our letter no. SEAMEC/BSE&NSE/SMO/DRYDOCKSAMUDRASEVAK/0909/2026 dated 9th September 2026, we wish to inform you that ONGC’s Vessel “SAMUDRA SEVAK” managed by SEAMEC upon completion of regulatory compliances, has resumed its contract with ONGC with effect from 16th September 2026 at 10:20 hrs. Date and time of receipt of information: September 16, 2026 at 11:49 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