Oslo-listed Siem booked a deficit of $3.7m for the threemonths to 31 December, up from a $9.2m loss in the final leg of 2012.
Revenue rose to $95m from sales of $82m for the year earlierperiod while the company also managed to cut the cost of operating its platformsupply (PSVs), anchor handling tug supply (AHTS) and subsea construction vessels.
As a result the operating margin for these vessels jumped to$41m from $14.6m
