Exxon Exploration Company

ExxonMobil Corporation is an industry leader in almost every aspect of the energy and petrochemical businesses. The company was formed by the combination of the Exxon and Mobil organizations. It conducts oil and gas exploration and development in various major accessible producing areas in the world. ExxonMobil has one of the largest energy resource bases of any non-government company. It is among the world s largest non-government natural gas marketers and reserves holders. The company is also among the world s largest fuel refiners and manufacturers of lube basestocks used for making motor oils. Its brand names include Exxon, Mobil and Esso. The company has refining operations in more than 25 countries, 42,000 retail services stations in more than 100 countries and lubricants marketing in nearly 200 countries and territories. ExxonMobil Corporation is headquartered in Irving, Texas.

Chevron Corporation is one of the largest integrated energy companies in the world. The company is engaged in every aspect of the oil and natural gas industry, which includes exploration and production; refining, marketing and transportation; chemicals manufacturing and sales; and power generation. Chevron also develops and commercializes advanced energy technologies, such as core hydrocarbon technologies, a global digital infrastructure and information technology. Its business development portfolio includes hydrogen infrastructure, advanced battery systems, nano-materials and renewable energy applications. David J. O'Reilly has been the chief executive officer of Chevron for more than six years. He has been with the petroleum and chemical company for over 38 years. O Reilly earned a BSChE degree from the University of Dublin. Chevron Corporation maintains its headquarters in San Ramon, Calif., and it conducts business in approximately 180 countries.

Marathon Oil Corporation is engaged in worldwide oil exploration and production of crude oil and natural gas, as well as the domestic refining, marketing and transportation of petroleum products. Marathon Oil Corporation is headquartered in Houston; it is one of the leading oil companies with operations in four continents. Marathon Petroleum Company is a limited-liability company that is wholly owned by Marathon Oil Corporation. The company specializes as a cost-effective and competitive refining, marketing and transportation company that has more than $8 billion in assets. Clarence P. Cazalot Jr. has been the chief executive officer of Marathon Oil for more than 4 years. He has been with the petroleum company for over 6 years. Cazalot Jr. has a bachelor s degree from Louisiana State University. The company s network of operations encompasses more than 20 states in the United States.