Intimation on Deployment Status of Vessel SEAMEC PRINCESS - commencement of PRPX project of ONGC awarded to the consortium of POSH and SEAMEC by L&T

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/PRPXSEAMECPRINCESS/0811/2026 November 08, 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 “SEAMEC PRINCESS” Dear Sir / Madam, Further to our letter no. SEAMEC/BSE&NSE/SMO/LOAL&TPRPX/0711/2026 dated 7th November 2026, we wish to inform you that our Vessel “SEAMEC PRINCESS” has left Mumbai Port today i.e. 8th November 2026 at 07:06 hrs to commence the PRP-X Project of ONGC awarded by M/s. Larsen & Toubro Limited (L&T Energy Hydrocarbon Div) to the Consortium of SEAMEC Limited and Posh India Offshore Private Limited. Date and time of receipt of information: November 08, 2026 at 13:08 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