Arizona Public Service Company

Hohokam is an irrigation and drainage district formed in 1972 by several agricultural landowners in Pinal County in Arizona. The district is a political subdivision of the state of Arizona. It provides water to more than 28,000 acres of agricultural lands. Hohokam also offers retail electrical services to residential, commercial and industrial customers in the Casa Grande, Coolidge and Florence areas. It works in a contract with the Electrical District Number Two to offer construction, engineering, billing, repair and maintenance services for several electrical facilities. Hohokam also wheels municipal and industrial water through distribution systems from the Central Arizona Project.

Pinnacle West Capital Corporation, established in 1985, generates and distributes electricity, and offers energy-related products and services to customers. It is the holding company for one of the largest electric utilities, Arizona Public Service, which transmits and distributes electricity to more than 1 million residential, commercial and industrial customers throughout western United States. SunCor Development is the company s real estate subsidiary that develops and manages residential, commercial and industrial projects. Its subsidiary Pinnacle West Energy owns and operates unregulated generating plants in Arizona. The company also operates a venture capital and investment firm known as El Dorado Investment Company. Pinnacle West Capital Corporation is headquartered in Phoenix.

Freeport-McMoRan Copper & Gold is a natural resources company engaged in the exploration and development of copper and gold properties. The company s operations are conducted through its subsidiaries, PT Freeport Indonesia, PT Irja Eastern Minerals and Atlantic Cooper. PT Freeport Indonesia is engaged in the mineral exploration and development, mining and milling of ore containing copper, gold and silver. PT Irja Eastern Minerals activities include the mineral exploration of the land adjacent to that held by PT Freeport Indonesia. The company s subsidiaries hold contracts with the Indonesian government, which cover approximately 2.2 million acres. Freeport-McMoRan Copper & Gold is publicly traded on the New York Stock Exchange and is headquartered in Phoenix.