The independent made a profit of Skr 68.99 million ($10.4 million) for the 12 months to the end of December as against Skr 80.07 million for all of 2010.
Net oil and gas sales leaped from Skr 11.07 million to Skr 103.54 million but the previous year had seen other income of Skr 105.12 million bolster the top line.
Although Tethys put in an improved performance in financial instruments last year, it still ran up a red sum of Skr 13.94