Darrell J. Nelson

Lehman Brothers Holdings, Inc. engages in the provision of securities underwriting and investment services. The company is headquartered in New York, NY.

MidAmerican Energy Co. engages in the provision of electricity services. It operates through the Regulated Electric and Regulated Natural Gas segments. The Regulated Electric segment includes regulated retail sales of electricity to residential, commercial, and industrial customers and from wholesale sales. Regulated Natural Gas segment transports gas owned by others through its distribution system. The company was founded in 1995 and is headquartered in Des Moines, IA.

Nevada Power Co. generates, distributes and sells electricity. It provides services to the residential, commercial and industrial sectors. The company was founded in 1906 and is headquartered in Las Vegas, NV.

Sierra Pacific Power Co. engages in generating, transmitting, distributing, and selling electricity. It serves the retail customers including residential, commercial and industrial, and regulated retail natural gas customers. The company was founded in 1912 and is headquartered in Reno, NV.

Salton Sea Funding Corp. provides investment services. It issues securities in its individual capacity as principal and as agent acting on behalf of the guarantors, which engage in the generation and sale of electricity. The company was founded in 1995 and is headquartered in Omaha, NE.

CalEnergy Generation LLC engages in the independent power business. It owns and operates ten geothermal facilities in the Imperial Valley of California and three natural gas-fueled combined cycle cogeneration facilities located in New York, Texas, and Arizona. The company was founded in 1971 and is headquartered in Omaha, NE.

MidAmerican Funding LLC operates as a holding company with interests in generate, transmit, store, distribute and supply energy. The company was founded in 1999 and is headquartered in Des Moines, IA.

AltaLink LP engages in provision of electricity transmission services. Its transmission systems are the essential links that connects homes, farms, businesses, and industries to the electricity generated across Alberta. It provides technical and financial solutions to enable Alberta's growing electricity market. The company was founded in 2001 and is headquartered in Calgary, Canada.

Neuberger Berman BD LLC is a SEC-registered investment advisor and mutual fund manager headquartered in New York City. It is directly owned by Neuberger Berman Investment Advisers LLC, which is an indirect, wholly-owned subsidiary of Neuberger Berman Group LLC, which is owned by NBSH Acquisition LLC. The firm traces their origin back to the 1939 founding of Neuberger & Berman, its predecessor firm. In 1950, Neuberger Berman became one of the first firms to offer a no-load mutual fund to individual investors. Neuberger Berman BD manages a range of equity, fixed income, private equity and hedge fund strategies on behalf of institutions, advisors and individual investors worldwide.

Good Samaritan Hospital provides general medical, surgical and other hospital services. It offers surgical weight loss program, rehabilitation, cardiology, cancer care, behavioral health, and general surgery. The company was founded in September 1965 and is headquartered in San Jose, CA.

Tetrad Corp. manufactures medical ultrasound probes, imaging systems and surgical products to end-users and original equipment manufacturers. The company was founded in 1985 and is headquartered in Englewood, CO.

National Grocers Association operates as a national trade association representing the retail and wholesale grocers that comprise the independent sector of the food distribution industry. It represents affiliated associations, manufacturers, and service suppliers, as well as other entrepreneurial companies. The company is headquartered in Arlington, VA.

Electric Power Research Institute, Inc. provides energy and environmental research services. It conducts research and development relating to the generation, delivery and use of electricity for the benefit of the public. The firm also provides technology, policy and economic analyses to drive long-range research and development planning and supports research in emerging technologies. The company was founded in 1972 and is headquartered in Palo Alto, CA.

PJM Interconnection LLC monitors and coordinates the movement of wholesale electricity. The company was founded in 1927 and is headquartered in Audubon, PA.

Part of Assurant, Inc., Recreational Finance LLC develops web-based finance and insurance operating systems for the recreational vehicle market. The company is based in Nixa, MO. Recreational Finance was acquired by Assurant Solutions, Inc. on January 03, 2006.

Park Hill Group LLC (PHG) is a hedge fund manager headquartered in New York City. The firm was founded in 2004 by Sean J. Keene and Tom H. Roberts. III. They are a subsidiary of PHG Holdings LLC, which is owned by PJT Partners, Inc. (NYSE: PJT). PHG provides global alternative asset advisory and fundraising services across four specialized verticals.

The American Gas Association represents over 200 energy companies that provide natural gas service to 180 million Americans. The private company is based in Washington. The American company's natural gas utilities are committed to reducing greenhouse gas emissions through new and modernized infrastructure and advanced technologies that maintain reliable, resilient, and affordable energy service choices for consumers. The company advocates on behalf of its member natural gas distribution utilities before Federal agencies in the area of energy market regulation.

Greater Des Moines Partnership operates as the economic and community development organization serving Greater Des Moines (DSM), united to drive economic growth with one voice, one mission and as one region. The company is headquartered in Des Moines, IA.

Nuclear Energy Institute provides policy-making process for the nuclear energy and technology industries. It participates in both the national and global policy-making process. Nuclear Energy Institute was founded in 1994 and is headquartered in Washington, DC.

American Nuclear Society operates as premier professional society serving the nuclear industry. Its offerings include meeting information, nuclear news, publications, member services, a career center, public information and many other resources. The company was founded on December 11, 1954 and is headquartered in La Grange Park, IL.

Part of Berkshire Hathaway, Inc., MidAmerican Renewables LLC provides hydroelectric, wind, geothermal and solar generation services. The company is based in Des Moines, IA. The CEO of the company is William J. Fehrman.

Berkshire Hathaway Energy Co. engages in distribution of energy. It generates energy from coal, natural gas and steam, hydroelectric, wind, geothermal, nuclear, and black liquor resources. The firm also offers residential real estate brokerage; integrated real estate, including mortgage originations and mortgage banking; title and closing; property and casualty insurance; home warranties; relocation services; and other home-related services. The company was founded in 1971 and is headquartered in Des Moines, IA.

Centuri Group, Inc. provides energy construction services to commercial and municipal customers. It offers services for gas distribution, gas transmission, electric distribution, electric transmission, renewable energy, traffic control, and site restoration. The company is headquartered in Phoenix, AZ.

BHE Renewables LLC provides renewable energy. The firm owns solar, wind, geothermal, and hydro projects that produce energy. The company was founded in 2011 and is headquartered in Des Moines, IA.

United Power, Inc. provides electricity related services. It is a rural electric cooperative which provides electric service to homes and businesses throughout Colorado?s northern front range. The company was founded in October 1938 and is headquartered in Brighton, CO.