KIEV, Feb. 23 - Mittal Steel Kryviy Rih, Ukraine's biggest steel mill, boosted sales 15.9% in 2006 to 7.089 million tons of steel products.

Sales on the Ukrainian market rose 2% to 1.415 million tons, Volodomyr Shalymov, the company's sales manager, said at a conference on metals and the construction industry in Kiev.