Cablevision NY Group and Rainbow Media Group 2nd Quarter 2001 Earnings Teleconference.

Business Editors

--(BUSINESS WIRE)

                            MEDIA ADVISORY

                   CABLEVISION SYSTEMS CORPORATION
                         CABLEVISION NY GROUP
                                  AND
                          RAINBOW MEDIA GROUP
                       2nd QUARTER 2001 EARNINGS
                            TELECONFERENCE

                      Earnings Call Open to Media
                       Thursday, August 9, 2001
                            10:00 AM (EST)

WHAT:   Cablevision NY Group (NYSE:CVC) and Rainbow Media Group
        (NYSE:RMG) 2nd Quarter 2001 earnings conference call.
        Interested media invited to listen (only) to the conference
        call.

WHEN:   Thursday, August 9, 2001

TIME:   Cablevision NY Group - 10:00 a.m. (eastern time)
        Rainbow Media Group - 10:45 a.m. (eastern time-approximately)

HOW:    Please call 1-212-896-6004 approximately 10 minutes prior to
        call. This call will also be available on the Internet via our
        website www.cablevision.com under the heading "Investor
        Information".

          For those unable to join the conference call, you may access a
        recording of the call by dialing 1-800-633-8284 (mention
        reservation #19256133). The call replay will be available from
        12:30 p.m. (eastern time), Thursday, August 9, 2001 until 5:30
        p.m. (eastern time), Friday, August 10, 2001.

          Replays (via the Internet) will also be available on the
        Cablevision website and at StreetEvents.com. The Internet
        replay will be available until Thursday, August 16, 2001.