FIRST AMENDED AND RESTATED CREDIT AGREEMENT Originally dated as of October 25, 2004 amongCredit Agreement • February 6th, 2006 • Markwest Hydrocarbon Inc • Crude petroleum & natural gas • Texas
Contract Type FiledFebruary 6th, 2006 Company Industry JurisdictionTHIS FIRST AMENDED AND RESTATED CREDIT AGREEMENT is entered into as of January 31, 2006, among MARKWEST HYDROCARBON, INC., a Delaware corporation (the “Borrower”), each lender from time to time party hereto (collectively, the “Lenders” and individually, a “Lender”), and ROYAL BANK OF CANADA, as Administrative Agent and L/C Issuer.