CREDIT AGREEMENT dated as of February 5, 2003 Among CASCADES INC. CASCADES BOXBOARD GROUP INC. CASCADES SPG HOLDING INC. CASCADES BOXBOARD U.S., INC. CASCADES G.P.S. S.A. CASCADES S.A. CASCADES ARNSBERG GMBH (as Borrowers) —and— THE BANK OF NOVA...