A surplus of $2.5m has been rung up by the Shipowners’ Mutual Strike Insurance Association despite claims continuing at a high level.

The Strike Club retained 92% of business at renewal with total mutually insured tonnage rising by 10 million dwt to 145 million dwt. Fixed premium income is up by 24% to $25m.

The “BBB+”-rated mutual started 2011 with members’ funds of $29.3m,