Cablevision to Release First Quarter 2016 Results on May 5, 2016

Cablevision Systems Corporation (NYSE: CVC) will release its results for the first quarter ended March 31, 2016 prior to the market opening on Thursday, May 5, 2016.

As previously announced, on September 16, 2015, Cablevision and Altice N.V. (Euronext: ATC, ATCB) entered into a definitive agreement pursuant to which Altice has agreed to acquire Cablevision for $34.90 in cash for each share of Cablevision Class A and Class B common stock. Cablevision will not be holding conference calls to discuss its quarterly and annual results during the pendency of the acquisition.

ABOUT CABLEVISION

Cablevision Systems Corporation (NYSE: CVC) is a leading media and telecommunications company, serving millions of households and businesses throughout the greater New York area. Providing quality products that keep customers connected, Cablevision offers Optimum-branded digital cable television, high‐speed Internet and voice services as well as Optimum WiFi, the nation's most robust WiFi network. Cablevision’s Lightpath subsidiary is a premier provider of integrated business communications solutions for larger companies. Through its local media and programming properties – News 12 Networks and Newsday Media Group – Cablevision also delivers news and information created specifically for the communities it serves. Additional information about Cablevision is available at www.cablevision.com.

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Cablevision Systems CorporationCharles Schueler, 516-803‐1013Executive Vice PresidentMedia and Community RelationsorCindi Buckwalter, 516-803‐2264Senior Vice PresidentInvestor Relations