WESTERN GAS OPERATING, LLC

Lubricants and fuels, namely, oil, natural gas and liquid natural gas; and industrial oils and greases

Insurance and financial services, namely, the acquisition and management of insurance policies and equity capital financing in the fields of energy exploration, production, treatment and delivery; trust services, namely, investment and trust company services in the fields of energy exploration, production, treatment and delivery; and financial services, namely, the issuance, receipt and transfer of lines of credit in the fields of energy exploration, production, treatment and delivery

Material treatment services rendered through the mechanical or chemical processing and transformation of organic and inorganic substances, namely, natural gas, liquid natural gas, oil, and associated hydrocarbon byproducts

Computer services, namely, creating indexes of information, sites and other resources available on computer networks in the fields of energy exploration and production provided by geologists, chemists, physicists, geophysicists, engineers and computer specialists; and scientific research services in the fields of energy exploration, production provided by geologists, chemists, physicists, geophysicists, engineers and computer specialists

Legal services in the fields of energy exploration, production, treatment and delivery