1 Exhibit 6 ASSUMPTION AGREEMENT WHEREAS, certain change of control employment agreements dated March 11, 1997 were entered into by and between BioWhittaker, Inc. ("BioWhittaker") and Messrs. Thomas Winkler, Philip L. Rohrer, Jr., Leif Olsen and F....6 Assumption Agreement • August 28th, 1997 • Cambrex Corp • Industrial organic chemicals
