Christine T. Mainguy

Buckeye Partners, L.P., as special tax counsel, in its $10.3 billion sale to IFM Investors to take the company private 

Enbridge as special tax counsel with respect to the $6.8 billion simplification (at signing) of its corporate structure via cross-border mergers of its public corporate and MLP subsidiaries

Energy Transfer Partners in the $60 billion merger with Energy Transfer Equity in a unit-for-unit exchange 

Spartan Energy Acquisition Corp., a special purpose acquisition company, in its $552 million initial public offering of common units 

Board of Directors of Alliance Holdings GP, L.P. in the $1.1 billion simplification transaction between Alliance Holdings GP, L.P. and Alliance Resource Partners, L.P.  

Memorial Resource Development in its $4.4 billion merger with Range Resources 

WildHorse Resource Development Corporation in its $447 million initial public offering of common stock

EIG Management Company in the $590 million private purchase of NuStar Energy L.P. Series D cumulative convertible preferred units by multiple investors

Flywheel Energy Operating, a portfolio company of funds managed by Kayne Anderson Capital Advisors, in its $1.86 billion acquisition of all Fayetteville Shale and ARKOMA upstream and midstream assets of Southwestern Energy Company via the acquisition of 100% of the issued and outstanding securities in SWN Production (Arkansas), LLC and DeSoto Gathering Company, LLC

Vantage Energy in its $2.7 billion sale to Rice Energy via an acquisitive Up-C structure

Buckeye Partners, L.P. in structuring its investment in a 50% stake in the VTTI Group, one of the largest independent global energy terminal businesses, with an implied total value of $2.3 billion 

Ranger Energy Services, Inc. in its $85 million initial public offering of common stock utilizing an Up-C structure

BP Midstream Partners LP in its $765 million initial public offering of common units