Seamec Limited has announced the award of a significant contract to M/s. Adsun Offshore Diving Contractors Pvt Ltd, marking another milestone in its offshore services portfolio. The Letter of Award, dated December 18, 2025, encompasses comprehensive diving-related services for Oil and Natural Gas Corporation Limited (ONGC) projects.

Contract Details and Scope

The contract award represents a substantial business development for Seamec Limited's vessel operations. The following table outlines the key parameters of the awarded contract:

Project Scope and Services

The awarded contract encompasses diving services across multiple ONGC projects, demonstrating the comprehensive nature of the engagement. The services include specialized underwater operations such as:

• Jacket Face Riser Survey
• Riser Removal operations
• Installation of Crossings
• Free Span installations
• Bowstring and clamps installation

These services will be provided across three distinct ONGC projects: Part Replacement Pipeline Project, Pipeline Replacement Project-Group A (PRP-VIIIA), and DSF II Project.

Regulatory Compliance and Disclosure

Seamec Limited has fulfilled its regulatory obligations by disclosing this contract award under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. The company confirmed that the promoter/promoter group/group companies have no interest in the entity that was awarded the contract, and the transaction does not fall within related party transactions.

Strategic Significance

This contract award reinforces Seamec Limited's position in the offshore diving and marine services sector. The engagement with ONGC, India's leading oil and gas exploration company, highlights the company's capability to handle complex underwater operations and pipeline-related projects. The contract's execution over the 2025-26 working season provides revenue visibility for the company's vessel operations division.

Seamec has officially disclosed a major subcontract agreement with G R Infraprojects Limited for the charter hire of its specialized vessel 'Seamec III'. The contract, valued at approximately USD 16.72 million exclusive of GST, spans 150 days and involves comprehensive subsea installation and diving operations for Oil and Natural Gas Corporation (ONGC).

Contract Details and Regulatory Disclosure

The company made the announcement through a regulatory filing under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. The disclosure was submitted to both BSE Limited and National Stock Exchange of India Limited on December 11, 2025, with the intimation received at 09:58 hours.

Project Scope and Operations

The vessel charter agreement encompasses deployment in second season subsea installation and diving works across multiple ONGC projects. The comprehensive scope includes Part Replacement Pipeline Project, Pipeline Replacement Project-Group A (PRP-VIIIA), and DSF II Project operations.

Key Project Components

• Second season subsea installation operations
• Specialized diving works for offshore infrastructure
• Pipeline replacement activities across multiple project groups
• Technical support for critical ONGC offshore operations

Strategic Business Impact and Compliance

The agreement represents a significant development in Seamec's normal course of business operations. According to the detailed regulatory disclosure, the contract does not fall within related party transactions, and the promoter/promoter group/group companies have no interest in G R Infraprojects Limited.

This 150-day charter agreement provides Seamec with substantial revenue visibility and reinforces its position as a key service provider in India's offshore energy infrastructure sector. The contract demonstrates the company's specialized capabilities in marine engineering services and its ability to secure significant deals in the competitive offshore operations market.