LONDON (Bloomberg) — Nordic American Tanker Shipping Ltd., an operator of 1 million-barrel crude-oil carriers, will buy two new vessels for $90 million each.

The suezmax tankers will be delivered between the fourth quarter of 2009 and April 2010, Bermuda-based Nordic American said in a statement yesterdayay.

The purchases will be paid for through the company's $500 million credit line.