EXECUTION COPY AMENDMENT NO. 4 TO CREDIT AGREEMENT AMENDMENT NO. 5 TO PARENT GUARANTY AMENDMENT dated as of June 29, 2000 among ALPHARMA U.S. INC., a Delaware corporation (the "Borrower"), ALPHARMA INC., a Delaware corporation (the "Parent...Credit Agreement • August 7th, 2000 • Alpharma Inc • Pharmaceutical preparations • New York
