Cablevision Announces Two New Board Members.

BETHPAGE, N.Y. -- Cablevision Systems Corporation (NYSE: CVC) today announced that Deborah Dolan-Sweeney and Brad Dorsogna will join its Board of Directors. The two new members are appointments of the Class B stockholders.

Ms. Dolan-Sweeney, 44, serves as a director of the Dolan Family Foundation and as a director of the Dolan Children's Foundation. The two organizations focus their charitable efforts on children and educational initiatives. Ms. Dolan-Sweeney is the daughter of Cablevision Chairman Charles Dolan.

Mr. Dorsogna, 53, serves as an owner in and an executive producer at Artistree Productions, a production company. Mr. Dorsogna is the son-in-law of the Company's chairman, Charles Dolan.

Cablevision Systems Corporation is one of the nation's leading media and entertainment companies. Its cable television operations serve more than 3 million households in the New York metropolitan area. The company's advanced telecommunications offerings include its iO: Interactive Optimum digital television, Optimum Online high-speed Internet, Optimum Voice digital voice-over-cable, and its Optimum Lightpath integrated business communications services. Cablevision operates several successful programming businesses, including AMC, IFC, Sundance Channel and WE tv, through Rainbow Media Holdings LLC, and serves the New York area as publisher of Newsday and other niche publications through Newsday LLC. In addition to these businesses, Cablevision owns Madison Square Garden and its sports teams, the New York Knicks, Rangers and Liberty. The company also operates New York's famed Radio City Music Hall, the Beacon Theatre, and the Chicago Theatre, and owns and operates Clearview Cinemas. Additional information about Cablevision Systems Corporation is available on the Web at www.cablevision.com.