William C. Morris

RiverSource Investments LLC, formerly American Express Financial Corp., is a registered investment advisor and mutual fund manager headquartered in Minneapolis, Minnesota with offices in New York City, Maryland, Massachusetts and California. The firm is a wholly-owned subsidiary of Ameriprise Financial Services, Inc. (NYSE: AMP). RiverSource Investments provides investment management services to the RiverSource Investments family of funds (formerly the American Express Funds). The firm also provides investment management services for institutional clients, alternative investments, insurance assets and a managed account program.

Kerr-McGee Corp. is an energy and inorganic chemical. It subsidiaries, joint ventures and other affiliates have operations throughout the world. The company core business, which include exploration, production of oil and gas resources. It was founded in 1929 and is headquartered Oklahoma City, Ok

Founded in 1864, J. & W. Seligman & Co., Inc. manages the Seligman family of mutual funds, the Tri-Continental fund and offshore funds, as well as separate institutional and individual portfolios. Based in New York City, the firm offers separate growth, value, and theme-oriented investment approaches for its US portfolios.

Tri-Continental Corp. is a diversified, closed-end management investment company, which invests primarily for the longer term. Its objective is to produce future growth of both capital and income while providing reasonable current income. The company was founded on January 14, 1929 and is headquartered in Boston, MA.

CARBO Ceramics, Inc. is an oilfield services technology company. The firm manufactures and supplies ceramic proppant and resin-coated sand. It operates through the following segments: Oilfield and Industrial Technologies and Services; and Environmental Technologies and Services. The Oilfield and Industrial Technologies and Services segment manufactures and sells ceramic technology products and services, base ceramic proppant and frac sand for both the oilfield and industrial sectors. The Environmental Technologies and Services segment intends to protect operator?s assets and minimize environmental risks and lower lease operating expense. The company was founded in 1987 and is headquartered in Houston, TX.

Metropolitan Opera Association, Inc. organizes and performs opera shows in its residence at the Lincoln Center of Performing Arts. The firm offers services in association with sponsors, such as Texaco. It produces radio, television and compact disk recordings of the performances and distributes them around the world. The company was founded in 1883 and is headquartered in New York, NY.

Lincoln Center for the Performing Arts, Inc. provides entertainment services. It offers dance, music, film, opera, theater, family, and festivals and programs. The company was founded by Dwight D. Eisenhower on May 14, 1959 and is headquartered in New York, NY.

Horseshoe Beach Holdings LLC manufactures metal roofing and components. Its products include gulf lok, seam, snap, rib, wave, versaloc/megaloc, coastal 5V, and roof systems. The company was founded by John Sherrill and Jeffrey Reed in 1996 and is headquartered in Newberry, FL.

Cove Point Holdings LLC provides investment services. The company was founded on October 17, 2008 and is headquartered in New York, NY.