Common Contracts

LIMITED LIABILITY COMPANY AGREEMENT of MARKWEST UTICA EMG, L.L.C. Dated December 29, 2011 to be effective as of January 1, 2012

Limited Liability Company Agreement • February 28th, 2012 • Markwest Energy Partners L P • Crude petroleum & natural gas • Texas

• Contract Type
  Limited Liability Company Agreement
• Filed
  February 28th, 2012
• Company
  Markwest Energy Partners L P
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  Texas

THIS LIMITED LIABILITY COMPANY AGREEMENT ("Agreement") of MarkWest Utica EMG, L.L.C., a Delaware limited liability company (the "Company"), is entered into as of December 29, 2011, to be effective as of January 1, 2012, by and among MarkWest Utica Operating Company, L.L.C., a Delaware limited liability company ("MWE Operating Company"), EMG Utica, LLC, a Delaware limited liability company ("EMG"), and such other Persons who may become Members of the Company from time to time pursuant hereto.

SECOND AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT of MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C. Dated as of November 1, 2009

Limited Liability Company Agreement • March 1st, 2010 • Markwest Energy Partners L P • Crude petroleum & natural gas • Texas

• Contract Type
  Limited Liability Company Agreement
• Filed
  March 1st, 2010
• Company
  Markwest Energy Partners L P
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  Texas

THIS SECOND AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT of MarkWest Liberty Midstream & Resources, L.L.C., a Delaware limited liability company (the "Company"), is executed and agreed to as of November 1, 2009, by and among MarkWest Liberty Gas Gathering, L.L.C., a Delaware limited liability company ("MWE Liberty"), M&R MWE Liberty, LLC, a Delaware limited liability company ("NGPMR"), and such other Persons who may become Members of the Company from time to time pursuant hereto.

AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT of MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C. Dated as of February 27th, 2009

Limited Liability Company Agreement • May 11th, 2009 • Markwest Energy Partners L P • Crude petroleum & natural gas • Texas

• Contract Type
  Limited Liability Company Agreement
• Filed
  May 11th, 2009
• Company
  Markwest Energy Partners L P
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  Texas

THIS AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT ("Agreement") of MarkWest Liberty Midstream & Resources, L.L.C., a Delaware limited liability company (the "Company"), is executed and agreed to as of February 27th, 2009, by and among MarkWest Liberty Gas Gathering, L.L.C., a Delaware limited liability company ("MWE Liberty"), M&R MWE Liberty, LLC, a Delaware limited liability company ("NGPMR"), and such other Persons who may become Members of the Company from time to time pursuant hereto.