Pub.1 2019-2020 Issue 1

Thank You Chairman’s Circle Members Big West Oil is committed to be a top-tier refiner, marketer, and employer in the Rocky Mountain Region, focused on building lasting value through operational excellence, continuous improvement, and pursuit of internal and external growth opportunities. We will accomplish this by embracing the following value statements: Integrity and Responsibility, People and Community, Relationships with Partners, Performance and Continuous Improvement. ConocoPhillips is the world’s largest independent E&P company based on proved reserves and production of liquids and natural gas. We explore for, develop and produce crude oil and natural gas glob- ally with a relentless focus on safety and environmental stewardship. To learn more, visit conocophillips.com . Encana is a leading North American resource play company focused on oil and natural gas production, growing its strong multi-basin port- folio and increasing shareholder value and profitability. By partnering with employees, community organizations and local businesses, Encana contributes to the strength and sustainability of the com- munities where it operates. Our strategy is built on four Pillars—top tier assets; market fundamentals; capital allocation; and operational excellence—which are critical to our business success. EOG Resources, Inc. is one of the largest crude oil and natural gas exploration and production companies in the United States with proved reserves in the United States, Trinidad and China. EOG’s busi- ness strategy is to maximize the rate of return on investment of capi- tal by controlling operating and capital costs and maximizing reserve recoveries. EOG strives to maintain the lowest possible operating cost structure that is consistent with prudent and safe operations. Chevron’s success is driven by our people and their commitment to getting the results the right way - by operating responsibly, executingwith excellence, applying innovative technologies and capturing newopportunities for profitable growth. Our company’s foundation is built on our values, which distinguish us and guide our actions to deliver results. We conduct our business in a socially responsible and ethical manner, protect people and the environment, support universal human rights, and benefit the communities where we work. HollyFrontier Corporation, headquartered in Dallas, TX, is an independent petroleum refiner and marketer that produces high value light products such as gasoline, diesel fuel, jet fuel and other specialty products. HollyFrontier owns and operates refineries located in KS, OK, NM, WY and UT and markets its refined products principally in the southwest U.S., the Rocky Mountains extending into the pacific northwest and in neighboring plains states. HollyFrontier produces base oils and other specialized lubricants in the U.S., Canada and the Netherlands, and exports products to more than 80 countries. 22 UP DATE

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