ESPN2 HD is Cablevision's HD Channel of the Day, Bringing to a Close the Company's "45 Days in HD, On iO TV SM" Countdown

Salute To Excellence In HD Programming Recognized Each Of The 45 High-Definition Services iO TV Customers Receive At No Additional Cost

ESPN2 HD IS CABLEVISION'S HD CHANNEL OF
THE DAY, COMPLETING THE COMPANY'S
"45 DAYS IN HD, ON iO TV SM" COUNTDOWN

Salute To Excellence In HD Programming Recognized Each Of The 45
High-Definition Services iO TV Customers Receive At No Additional Cost

BETHPAGE, NY, February 12, 2008 - Cablevision Systems Corp. today is recognizing ESPN2 HD as the HD Channel of the Day, completing the company's "45 Days in HD, on iO TV" countdown. Available to Cablevision's iO TV customers on channel 735, ESPN2 HD is a 24-hour high-definition simulcast service of ESPN2, and features programming including NASCAR Busch Series, MLB, NCAA college football and basketball, boxing, Little League World Series, X Games, golf, tennis, FIFA World Cup, MLS, and more. First Take, ESPN2's two-hour show weekdays at 10 a.m. ET, is produced in HD and provides the day's first slant on the latest in sports news with discussion, newsmaker interviews and features. The network's morning programming also includes a high-definition television simulcast of ESPN Radio's Mike & Mike in the Morning.

Since mid-December, Cablevision has recognized each of the 45 high-definition services iO customers receive at no additional cost, including coverage of all nine local professional sports teams in HD, through daily press releases, banners on iO TV and the Optimum.net consumer Web portal, and other tactics. Unlike its satellite and phone company competitors, Cablevision does not impose additional fees and charges on customers who want to "see" in HD.

"Cablevision is pleased to honor ESPN2 HD as our Channel of the day as we complete the '45 Days in HD, on iO TV' countdown," said John Trierweiler, Cablevision's senior vice president of product management. "With a broad array of HD services showcasing top news, sports and entertainment programming, iO TV offers viewers a revolutionary high-definition television experience featuring crystal-clear picture quality and dynamic surround sound delivered over the advanced Optimum fiber network."

Featured Programming For February 12, 2008 Includes:

8 pm ET - Super Tuesday presented by KFC: ACC Basketball
#5 North Carolina @ Virginia

Watch Super Tuesday presented by KFC tonight as #5 North Carolina takes on Virginia at 8 pm ET on ESPN2 HD.

10 pm ET - College GameNight

Cablevision's high-definition line-up has more than doubled over the last year, and the company has the capacity today to deliver hundreds of channels of high-definition programming over its fully-deployed fiber optic network. More than 900,000 of Cablevision's nearly 2.6 million iO TV customers have at least one high-definition television and HD-cable set-top box in the home.

In an effort to drive consumer awareness and continued adoption of HDTV, Cablevision recently launched a retail partnership with P.C. Richard & Son, the New York metropolitan area's leading consumer appliance and electronics retailer, which allows customers to conveniently sign up for all three Optimum products - iO TV digital cable, Optimum Online high-speed Internet access and Optimum Voice phone service - at 35 P.C. Richard & Son retail locations in Cablevision's service territory. Cablevision is also providing its award-winning digital cable service to more than 30 store locations, so customers can experience the best in high-definition programming while they shop for a new HD television set.

Nearly 83 percent of Cablevision's cable customers are iO TV digital cable customers, the highest digital penetration in the nation. iO TV offers customers access to more than 360 channels, including 53 premium movie channels, 48 channels of commercial-free digital music, more than 1,800 titles available on demand at all times, an interactive programming guide, 45 high-definition programming services and groundbreaking interactive television applications including News 12 Interactive.

About Cablevision
Cablevision Systems Corporation (NYSE: CVC) is one of the nation's leading entertainment and telecommunications 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's Rainbow Media Holdings LLC operates several successful programming businesses, including AMC, IFC, WE tv and other national and regional networks. In addition to its telecommunications and programming 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, and owns and operates Clearview Cinemas.

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CONTACT:

Cablevision
Patrick MacElroy, 516-803-1249
pmacelro@cablevision.com