PITTSBURGH--June 3, 2002--Alcoa Inc. announced today that its Southern Graphic Systems (SGS) digital imaging and communications business has acquired privately held Colorbrite Inc., a leading provider of pre-press and flexographic plates - the steps between design and printing of packaging, advertising and merchandising materials -- in the Midwest region of the U.S. Colorbrite is headquartered in Minneapolis, Minn., and has approximately 100 employees. Terms of the agreement were not disclosed. In making the announcement, H. R. Baughman, president of Southern Graphic Systems, said, "The addition of Colorbrite to the Southern Graphic family makes SGS one of the leading pre-press providers in the upper Midwest and strengthens our value proposition to the consumer products industry."