Norway's Siem Offshore could become the biggest shareholder in Malaysian oil and gas company Daya Materials as part of a debt settlement deal.

It is owed $29.5m following the sale of Siem's 120-loa construction support vessel (CSV) Siem Daya 1 to Daya in 2015.

The debt consists of a convertible bond of MYR 83.1m ($21.36m) related to the outstanding seller's credit, plus $6.6m