Robin H. Fielder

President and Chief Executive Officer

Robin H. Fielder has served as a director and as President and Chief Executive Officer of the general partner of Western Midstream Partners, LP since January 2019 and served as a director and President from November 2018 until January 2019. Ms. Fielder also served as a director and as President and Chief Executive Officer of Western Gas Partners, LP’s general partner from January 2019 to February 2019, and served as a director and President from November 2018 until January 2019.

Ms. Fielder has more than 17 years of midstream, upstream and financial experience in the oil and natural gas industry. She previously served as Vice President, Investor Relations, Midstream Business Advisor and a number of other roles of increasing responsibility including General Manager of East Texas and North Louisiana, Worldwide Operations Business Advisor and various exploration and operations engineering positions in both the U.S. onshore and the deepwater Gulf of Mexico.

She holds a Bachelor of Science in Petroleum Engineering from Texas A&M University. She is a registered professional engineer in the state of Texas and a member of the Society of Petroleum Engineers.

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Jaime R. Casas

Senior Vice President, Chief Financial Officer and Treasurer

Jaime R. Casas has served as Senior Vice President, Chief Financial Officer and Treasurer of the general partner of Western Midstream Partners, LP since May 2017. Prior to joining Western Midstream, Mr. Casas served as Senior Vice President and Chief Financial Officer of Clayton Williams Energy, Inc. from October 2016 until the company’s sale in April 2017. Previously, he served as Vice President and Chief Financial Officer of the general partner of LRR Energy, L.P., a publicly traded exploration and production master limited partnership, from 2011 to October 2015, and as Vice President and Chief Financial Officer of Laredo Energy, a privately held oil and gas company, from 2009 to 2011.

From 1995 to 1997 and 1999 to 2008, Mr. Casas worked in various positions and industry groups in the investment banking divisions at Donaldson, Lufkin & Jenrette and Credit Suisse.  Mr. Casas holds a Bachelor of Business Administration degree in Finance from Texas A&M University and a Master of Business Administration from the Wharton School of the University of Pennsylvania.

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Gennifer F. Kelly

Senior Vice President and Chief Operating Officer 

Gennifer F. Kelly has served as Senior Vice President and Chief Operating Officer of the general partner of Western Midstream Partners, LP since May 2018.

Prior to her current positions, Ms. Kelly held a variety of leadership roles within Anadarko including Director of Operations Transformation, Director of Strategic Planning and General Manager of East Texas and North Louisiana as well as a variety of engineering and operations focused positions. She has been with Anadarko, or its predecessor companies, for over 20 years.

Ms. Kelly holds a Bachelor of Science in Petroleum Engineering and an MBA from Louisiana State University. She is a registered Professional Engineer in the state of Texas, a member of the Society of Petroleum Engineers, has served on the United Way Women’s Leadership Council in Montgomery County, Texas and currently serves on the Lone Star College Foundation Board of Directors.

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John D. Montanti

Vice President, General Counsel and Corporate Secretary

John D. Montanti has served as Vice President, General Counsel and Corporate Secretary of our general partner since March 2019. Mr. Montanti previously served as an Associate General Counsel and Assistant Secretary of Anadarko, where he led the corporate legal practice group for over six years. He joined Anadarko in February 2009, and since that time served in a number of positions of increasing responsibility within the legal department. Mr. Montanti holds a Juris Doctor degree from Georgetown University Law Center, as well as a Bachelor of Arts in Economics and a Master of Business Administration from the University of Miami. He is licensed to practice law in the state of Florida.

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