Ms. Nancy K. Buese, CPA, has been the Chief Financial Officer and Executive Vice President at Newmont Mining Corporation since October 31, 2016. Ms. Buese worked in public accounting for 12 years. She has 25 years of experience in finance leadership roles. She served as the Chief Financial Officer and Executive Vice President of MPLX GP LLC, General Partner of MPLX LP from December 04, 2015 to November 1, 2016. She served as the Chief Financial Officer at Markwest Energy GP, L.L.C. the General Partner of MarkWest Energy Partners, L.P. from October 27, 2006 to December 4, 2015 and served as its Chief Accounting Officer since November 9, 2005, Executive Vice President until December 4, 2015 and Senior Vice President since November 9, 2005. She served as the Chief Accounting Officer and Senior Vice President of MarkWest Energy GP from November 2005 to December 2015 and also served as its Chief Financial Officer from October 27, 2006 to December 2015. She served as a Partner with Ernst & Young. She served as the Chief Accounting Officer of MarkWest Energy G P at MarkWest Hydrocarbon, Inc. from November 2005 to December 2015 and also served as its Chief Financial Officer from October 2006 to December 2015. She served as Acting Chief Financial Officer of MarkWest Hydrocarbon, Inc. since October 1, 2006. She served as an Acting Chief Financial Officer at MarkWest Energy Partners, L.P. from September 2006 to October 27, 2006. She joined MarkWest with a wealth of experience in accounting, taxation, securities law and management. She joined MarkWest from Abbott Laboratories, where she served as Chief Financial Officer of Experimental and Applied Sciences, Inc. (EAS), a wholly-owned subsidiary of the Ohio-based Ross Products Division. She served as the Chief Accounting Officer of MarkWest Hydrocarbon since November 9, 2005. She served as Vice President of Taxation at TransMontaigne, Inc. She served as an Independent Director of UMB Financial Corporation since October 2009 until April 25, 2017. Along with her professional accomplishments, she has served her community as an active volunteer firefighter and Emergency Medical Technician for several years. She served as an Independent Director of ZeaChem, Inc. since November 30, 2011. Ms. Buese is a licensed Certified Public Accountant in the State of Colorado and earned a B.S. in Accounting and Business Administration from the University of Kansas.