Table of Contents COMPANY OVERVIEW AND KEY FACTS 2 TABLE OF CONTENTS 4 LIST OF TABLES 5 LIST OF FIGURES 5 TARGETS AND PARTNERS 6 MERGERS & ACQUISITIONS 7 Mergers and Acquisitions - Deal reports 7 PARTNERSHIP 25 Partnership - Overview 25 Partnership - Deal reports 26 CAPITAL RAISING 34 Capital Raising - Deal reports 34 Divestments - Deal reports 76 PRIVATE EQUITY & OWNERSHIP 84 Private Equity and Ownership - Deal reports 84 APPENDIX 90 Contact Us 90 About MarketLine Financial Deals Database 90 Deal Definition and Methodology 92 About MarketLine 99

List of Tables Table 1: MarkWest Energy Partners partnership volume and value trend (2014-YTD2018) Table 2: MarkWest Energy Partners partnership trend by key deal type (2014-YTD2018)List of Figures Figure 1: MarkWest Energy Partners partnership volume and value trend (2014-YTD2018) Figure 2: MarkWest Energy Partners partnership trend by key deal type (2014-YTD2018)