CREDIT AGREEMENT

Dated as of November 3, 2006

among

WATSON PHARMACEUTICALS, INC.,

as Borrower,

THE LENDERS FROM TIME TO TIME PARTIES HERETO,

CANADIAN IMPERIAL BANK OF COMMERCE,
acting through its New York agency,

as Administrative Agent,

WACHOVIA CAPITAL MARKETS, LLC

as Syndication Agent,

and

WELLS FARGO BANK, NATIONAL ASSOCIATION UNION BANK OF CALIFORNIA, N.A. and
SUMITOMO MITSUI BANKING CORPORATION

as Documentation Agents

Senior Credit Facility

CIBC WORLD MARKETS CORP. and WACHOVIA CAPITAL MARKETS, LLC

as Joint Bookrunners and Co-Lead Arrangers