Valerie C. Haertel

AllianceBernstein LP (AB) is a SEC-registered investment advisor and mutual fund manager headquartered in Nashville, Tennessee. Founded in 2000, the firm is owned by Equitable Financial Life Insurance Co., ultimately held by Equitable Holdings, Inc. (NYSE: EQH). AB provides investment advice to investment companies, pension and profit-sharing plans, banks and thrift institutions, trusts, estates, government agencies, charitable organizations, individuals, corporations and other business entities.

Medco Health Solutions, Inc. retails drugs, pharmaceuticals and other health products through online. The firm provides pharmacy services which are designed for private and public employers, health plans, labor unions government agencies of all sizes and individuals. The company was founded in June 1983 and is headquartered in Franklin Lakes, NJ.

National Investor Relations Institute operates as an association of corporate officers and investor relations consultants responsible for communication among corporate management, shareholders, securities analysts and other financial community constituents. The company was founded by DeWitt C. Morrill in 1969 and is headquartered in Alexandria, VA.

RCN Corp. provides local, long distance, cable television and Internet access services. It is a broadband services provider, delivering digital video, Internet and voice services to residential, small and medium businesses. The firm also offers fiber-based data transport services to commercial customers primarily large enterprises and carriers. RCN was founded in 1996 and is headquartered in Herndon, VA.