Nordic American Tanker Shipping Ltd. Increased Trading Fleet

Hamilton, Bermuda, May 2, 2011

Nordic American Tanker Shipping Limited (NYSE:NAT) ("the Company") today announced that as of May 1, 2011 the Company has 17 trading vessels following the delivery of Nordic Harrier from a repair yard. The Nordic Harrier has been out of service since 4Q2010 when NAT took over the ship on expiry of a long term charter. During the last quarter of 2010 we had 15 vessels in operation. In 1Q2011 we had 16 trading vessels. Including two newbuildings which will join our fleet later this year, we expect to have a minimum of 19 vessels in operation at the end of 2011. This is an increase of income days of 27% compared with 4Q2010 i.e. from 15 vessels to 19 vessels.

Nordic American Tanker Shipping Ltd., press release