U.S.$935,000,000 CREDIT AGREEMENT Dated as of October 31, 2006 Among DRESSER HOLDINGS, INC., as Holdings, DRESSER, INC., as U.S. Borrower, D.I. LUXEMBOURG S.A.R.L., as Euro Borrower, THE LENDERS PARTY HERETO, MORGAN STANLEY SENIOR FUNDING, INC., as...