KIEV, April 25 ??“ The net losses of Ukrtatnafta, Ukraine??™s largest oil refinery, grew by 4.1 times from January to March 2007 to UAH 117.86 million year-over-year.

As Ukrtatnafta said in a quarterly financial report, its retained earnings by March 31 amounted to UAH 91.596 million, which was 2.8 times, or UAH 164.699 million, down over the period under review.