NATAURAL GAS LIQUIDS PURCHASE AGREEMENT By and Between ONEOK HYDROCARBON, L.P. and MARKWEST WESTERN OKLAHOMA GAS COMPANY, L.L.C. Dated: August 25, 2006Natural Gas Liquids Purchase Agreement • March 2nd, 2009 • Markwest Energy Partners L P • Crude petroleum & natural gas • Oklahoma
This Natural Gas Liquids Purchase Agreement ("Agreement") is made on this 29 Day of August, 2006, by and between MarkWest Western Oklahoma Gas Company, L.L.C., an Oklahoma limited liability company, ("Seller"), and ONEOK Hydrocarbon, L.P., a Delaware limited partnership, ("Buyer"). Buyer and Seller may be referred to herein as a "Party", or collectively as "Parties" .
83/4% SENIOR NOTES DUE 2018Third Supplemental Indenture • March 2nd, 2009 • Markwest Energy Partners L P • Crude petroleum & natural gas • New York
This THIRD SUPPLEMENTAL INDENTURE, dated as of September 15, 2008 is among MarkWest Energy Partners, L.P., a Delaware limited partnership (the "Partnership"), MarkWest Energy Finance Corporation, a Delaware corporation ("MarkWest Finance" and, together with the Partnership, the "Issuers"), each of the parties identified under the caption "Subsidiary Guarantors" on the signature page hereto (the "Subsidiary Guarantors") and Wells Fargo Bank, National Association, a national banking association, as Trustee.
81/2% SENIOR NOTES DUE 2016Second Supplemental Indenture • March 2nd, 2009 • Markwest Energy Partners L P • Crude petroleum & natural gas • New York
This SECOND SUPPLEMENTAL INDENTURE, dated as of April 25, 2008 is among MarkWest Energy Partners, L.P., a Delaware limited partnership (the "Partnership"), MarkWest Energy Finance Corporation, a Delaware corporation ("MarkWest Finance" and, together with the Partnership, the "Issuers"), each of the parties identified under the caption "Subsidiary Guarantors" on the signature page hereto (the "Subsidiary Guarantors") and Wells Fargo Bank, National Association, a national banking association, as Trustee.
83/4% SENIOR NOTES DUE 2018First Supplemental Indenture • March 2nd, 2009 • Markwest Energy Partners L P • Crude petroleum & natural gas • New York
This FIRST SUPPLEMENTAL INDENTURE, dated as of April 25, 2008 is among MarkWest Energy Partners, L.P., a Delaware limited partnership (the "Partnership"), MarkWest Energy Finance Corporation, a Delaware corporation ("MarkWest Finance" and, together with the Partnership, the "Issuers"), each of the parties identified under the caption "Subsidiary Guarantors" on the signature page hereto (the "Subsidiary Guarantors") and Wells Fargo Bank, National Association, a national banking association, as Trustee.
SIXTH SUPPLEMENTAL INDENTURE DATED AS OF SEPTEMBER 15, 2008Sixth Supplemental Indenture • March 2nd, 2009 • Markwest Energy Partners L P • Crude petroleum & natural gas • New York
This SIXTH SUPPLEMENTAL INDENTURE, dated as of September 15, 2008 is among MarkWest Energy Partners, L.P., a Delaware limited partnership (the "Partnership"), MarkWest Energy Finance Corporation, a Delaware corporation ("MarkWest Finance" and, together with the Partnership, the "Issuers"), each of the parties identified under the caption "Subsidiary Guarantors" on the signature page hereto (the "Subsidiary Guarantors") and Wells Fargo Bank, National Association, a national banking association, as Trustee.
AMENDMENT TO NATURAL GAS LIQUIDS PURCHASE AGREEMENT BY AND BETWEEN ONEOK HYDROCARBON, L.P. AND MARKWEST OKLAHOMA GAS COMPANY, L.L.C. DATED AUGUST 25, 2006Natural Gas Liquids Purchase Agreement • March 2nd, 2009 • Markwest Energy Partners L P • Crude petroleum & natural gas
This Amendment ("Amendment") is made effective as of November 1, 2008, by and between MARKWEST OKLAHOMA GAS COMPANY, L.L.C. (formerly known as MarkWest Western Oklahoma Gas Company, L.L.C.) ("MarkWest"), and ONEOK HYDROCARBON, L.P. ("OHLP").
FOURTH SUPPLEMENTAL INDENTURE DATED AS OF APRIL 25, 2008Fourth Supplemental Indenture • March 2nd, 2009 • Markwest Energy Partners L P • Crude petroleum & natural gas • New York
This FOURTH SUPPLEMENTAL INDENTURE, dated as of April 25, 2008 is among MarkWest Energy Partners, L.P., a Delaware limited partnership (the "Partnership"), MarkWest Energy Finance Corporation, a Delaware corporation ("MarkWest Finance" and, together with the Partnership, the "Issuers"), each of the parties identified under the caption "Subsidiary Guarantors" on the signature page hereto (the "Subsidiary Guarantors") and Wells Fargo Bank, National Association, a national banking association, as Trustee.
81/2% SENIOR NOTES DUE 2016Fourth Supplemental Indenture • March 2nd, 2009 • Markwest Energy Partners L P • Crude petroleum & natural gas • New York
This FOURTH SUPPLEMENTAL INDENTURE, dated as of September 15, 2008 is among MarkWest Energy Partners, L.P., a Delaware limited partnership (the "Partnership"), MarkWest Energy Finance Corporation, a Delaware corporation ("MarkWest Finance" and, together with the Partnership, the "Issuers"), each of the parties identified under the caption "Subsidiary Guarantors" on the signature page hereto (the "Subsidiary Guarantors") and Wells Fargo Bank, National Association, a national banking association, as Trustee.
FIFTH SUPPLEMENTAL INDENTURE DATED AS OF AUGUST 4, 2008Fifth Supplemental Indenture • March 2nd, 2009 • Markwest Energy Partners L P • Crude petroleum & natural gas • New York
This FIFTH SUPPLEMENTAL INDENTURE, dated as of August 4, 2008 is among MarkWest Energy Partners, L.P., a Delaware limited partnership (the "Partnership"), MarkWest Energy Finance Corporation, a Delaware corporation ("MarkWest Finance" and, together with the Partnership, the "Issuers"), each of the parties identified under the caption "Subsidiary Guarantors" on the signature page hereto (the "Subsidiary Guarantors") and Wells Fargo Bank, National Association, a national banking association, as Trustee.
THIRD SUPPLEMENTAL INDENTURE DATED AS OF MARCH 6, 2008Third Supplemental Indenture • March 2nd, 2009 • Markwest Energy Partners L P • Crude petroleum & natural gas • New York
This THIRD SUPPLEMENTAL INDENTURE, dated as of March 6, 2008 is among MarkWest Energy Partners, L.P., a Delaware limited partnership (the "Partnership"), MarkWest Energy Finance Corporation, a Delaware corporation ("MarkWest Finance" and, together with the Partnership, the "Issuers"), each of the parties identified under the caption "Subsidiary Guarantors" on the signature page hereto (the "Subsidiary Guarantors") and Wells Fargo Bank, National Association, a national banking association, as Trustee.
81/2% SENIOR NOTES DUE 2016First Supplemental Indenture • March 2nd, 2009 • Markwest Energy Partners L P • Crude petroleum & natural gas • New York
This FIRST SUPPLEMENTAL INDENTURE, dated as of March 6, 2008 is among MarkWest Energy Partners, L.P., a Delaware limited partnership (the "Partnership"), MarkWest Energy Finance Corporation, a Delaware corporation ("MarkWest Finance" and, together with the Partnership, the "Issuers"), each of the parties identified under the caption "Subsidiary Guarantors" on the signature page hereto (the "Subsidiary Guarantors") and Wells Fargo Bank, National Association, a national banking association, as Trustee.
83/4% SENIOR NOTES DUE 2018Second Supplemental Indenture • March 2nd, 2009 • Markwest Energy Partners L P • Crude petroleum & natural gas • New York
This SECOND SUPPLEMENTAL INDENTURE, dated as of August 4, 2008 is among MarkWest Energy Partners, L.P., a Delaware limited partnership (the "Partnership"), MarkWest Energy Finance Corporation, a Delaware corporation ("MarkWest Finance" and, together with the Partnership, the "Issuers"), each of the parties identified under the caption "Subsidiary Guarantors" on the signature page hereto (the "Subsidiary Guarantors") and Wells Fargo Bank, National Association, a national banking association, as Trustee.
