Fulbright Tower

1301 McKinney St. Suite 1300

Houston, Texas 77010

(713) 351-0500

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Info@rockcliffenergy.com

Mary Jo most recently was responsible for the marketing of crude oil, natural gas, and NGLs for Quantum Resources. She has more than 22 years of experience in both upstream and downstream marketing and began her career with Enron-Houston Pipeline Company Producer Services Group. Mary Jo has also worked for Santos USA Corp and CIMA Energy marketing hydrocarbon products on behalf of producers.

Prior to joining Quantum in 2009, Mary Jo was Director of Gas Supply for Crosstex Energy Services, primarily focused on the Haynesville Shale production in North Louisiana and East Texas.

Mary Jo graduated with a B.S. in Accounting from the University of Houston, Clear Lake, and is a Certified Public Accountant.

Mary Jo Austin

Vice President - Marketing