CABLEVISION SYSTEMS CORP
S-4, 1997-10-16
CABLE & OTHER PAY TELEVISION SERVICES
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<PAGE>
    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON OCTOBER 16, 1997
 
                                                      REGISTRATION NO. 333-
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
 
                             WASHINGTON, D.C. 20549
                            ------------------------
 
                                    FORM S-4
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933
                            ------------------------
 
                        CABLEVISION SYSTEMS CORPORATION
             (Exact name of registrant as specified in its charter)
 
<TABLE>
<S>                                       <C>
                DELAWARE                                 11-2776686
    (State or other jurisdiction of                    (IRS employer
     incorporation or organization)                identification number)
</TABLE>
 
                              ONE MEDIA CROSSWAYS
                            WOODBURY, NEW YORK 11797
                                 (516) 364-8450
         (Address, including zip code, and telephone number, including
            area code, of registrant's principal executive offices)
                         ------------------------------
 
                                ROBERT S. LEMLE
            EXECUTIVE VICE PRESIDENT, GENERAL COUNSEL AND SECRETARY
                              ONE MEDIA CROSSWAYS
                            WOODBURY, NEW YORK 11797
                                 (516) 364-8450
 
           (Name, address, including zip code, and telephone number,
                   including area code, of agent for service)
 
                                WITH COPIES TO:
 
                                  John P. Mead
 
                              Sullivan & Cromwell
 
                                125 Broad Street
 
                            New York, New York 10004
                            ------------------------
 
        Approximate date of commencement of proposed sale to the public:
AS SOON AS PRACTICABLE AFTER THE EFFECTIVE DATE OF THIS REGISTRATION STATEMENT.
 
    If the Securities registered on this Form are to be offered in connection
with the formation of a holding company and there is compliance with General
Instruction G, check the following box. / /
 
    If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, check the following box and
list the Securities Act registration statement number of the earlier effective
registration statement for the same offering. / / ____
 
    If this Form is a post-effective amendment filed pursuant to Rule 462(d)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. / / ____
                           --------------------------
 
                        CALCULATION OF REGISTRATION FEE
 
<TABLE>
<CAPTION>
                                                                      PROPOSED        PROPOSED MAXIMUM
          TITLE OF EACH CLASS OF                 AMOUNT TO        MAXIMUM OFFERING       AGGREGATE           AMOUNT OF
        SECURITIES TO BE REGISTERED            BE REGISTERED     PRICE PER UNIT(1)   OFFERING PRICE(1)    REGISTRATION FEE
<S>                                          <C>                 <C>                 <C>                 <C>
8 1/8% Series B Senior Debentures due
  2009.....................................     $400,000,000            100%            $400,000,000          $121,213
</TABLE>
 
(1) Estimated for the sole purpose of computing the registration fee in
    accordance with Rule 457(o).
                            ------------------------
 
    THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(A) OF
THE SECURITIES ACT OF 1933 OR UNTIL THIS REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE SECURITIES AND EXCHANGE COMMISSION, ACTING
PURSUANT TO SAID SECTION 8(A), MAY DETERMINE.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
                 SUBJECT TO COMPLETION; DATED OCTOBER 16, 1997
INFORMATION CONTAINED HEREIN IS SUBJECT TO COMPLETION OR AMENDMENT. A
REGISTRATION STATEMENT RELATING TO THESE SECURITIES HAS BEEN FILED WITH THE
SECURITIES AND EXCHANGE COMMISSION. THESE SECURITIES MAY NOT BE SOLD NOR MAY
OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION STATEMENT BECOMES
EFFECTIVE. THIS PROSPECTUS SHALL NOT CONSTITUTE AN OFFER TO SELL OR THE
SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE SECURITIES
IN ANY STATE IN WHICH SUCH OFFER, SOLICITATION OR SALE WOULD BE UNLAWFUL PRIOR
TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF ANY SUCH STATE.
<PAGE>
                               OFFER TO EXCHANGE
 
                                all outstanding
                            8 1/8% Senior Debentures
                                    due 2009
                  ($400,000,000 principal amount outstanding)
                                      for
                       8 1/8% Series B Senior Debentures
                                    due 2009
                                       of
                        CABLEVISION SYSTEMS CORPORATION
                                ---------------
 
                               THE EXCHANGE OFFER
                 WILL EXPIRE AT 5:00 P.M., NEW YORK CITY TIME,
                     ON            , 1997, UNLESS EXTENDED
                            ------------------------
 
    Cablevision Systems Corporation, a Delaware corporation ("Cablevision" and,
collectively with its subsidiaries unless the context otherwise requires, the
"Company"), hereby offers, upon the terms and subject to the conditions set
forth in this Prospectus and the accompanying letter of transmittal (the "Letter
of Transmittal," and together with this Prospectus, the "Exchange Offer"), to
exchange $1,000 principal amount of its 8 1/8% Series B Senior Debentures due
2009 (the "New Debentures"), which have been registered under the Securities Act
of 1933, as amended (the "Securities Act"), pursuant to a Registration Statement
(as defined herein) of which this Prospectus constitutes a part, for each $1,000
principal amount of the outstanding 8 1/8% Senior Debentures due 2009 (the "Old
Debentures") of the Company, of which $400,000,000 principal amount is
outstanding. The New Debentures and the Old Debentures are collectively referred
to herein as the "Debentures."
 
    The Company will accept for exchange any and all Old Debentures that are
validly tendered on or prior to 5:00 p.m., New York City time, on the date the
Exchange Offer expires, which will be            , 1997, unless the Exchange
Offer is extended (the "Expiration Date"). Tenders of Old Debentures may be
withdrawn at any time prior to 5:00 p.m., New York City time, on the business
day prior to the Expiration Date, unless previously accepted for payment. The
Exchange Offer is not conditioned upon any minimum principal amount of Old
Debentures being tendered for exchange. However, the Exchange Offer is subject
to certain conditions which may be waived by the Company and to the terms and
provisions of the Registration Rights Agreement (as defined herein). See "The
Exchange Offer." Old Debentures may be tendered only in denominations of $1,000
and integral multiples thereof.
 
    The New Debentures will be obligations of the Company entitled to the
benefits of the Indenture (as defined herein). The form and terms of the New
Debentures are the same in all material respects as the form and terms of the
Old Debentures, except that the New Debentures have been registered under the
Securities Act and will not contain terms restricting the transfer thereof.
Following the completion of the Exchange Offer, none of the Debentures will be
entitled to the benefits of the Registration Rights Agreement relating to
contingent increases in the interest rate provided for pursuant thereto. See
"The Exchange Offer."
 
    The New Debentures will bear interest from August 26, 1997. Holders of Old
Debentures whose Old Debentures are accepted for exchange will be deemed to have
waived the right to receive any payment in respect of interest on the Old
Debentures accrued from August 26, 1997 to the date of the issuance of the New
Debentures. Interest on the New Debentures is payable semi-annually on February
15 and August 15 of each year, commencing February 15, 1998, accruing from
August 26, 1997 at a rate of 8 1/8% per annum.
 
                                                        (CONTINUED ON NEXT PAGE)
                            ------------------------
 
 INVESTMENT IN THE DEBENTURES INVOLVES SIGNIFICANT RISKS DISCUSSED UNDER "RISK
    FACTORS" ON PAGE 16 WHICH SHOULD BE CONSIDERED BY PROSPECTIVE INVESTORS.
                             ---------------------
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
     EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
        SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
             COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF
                      THIS PROSPECTUS. ANY REPRESENTATION
                                 TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
                 The date of this Prospectus is            , 1997.
<PAGE>
(COVER PAGE CONTINUED)
 
    The Old Debentures are, and the New Debentures will be, senior unsecured
obligations of Cablevision and will rank PARI PASSU in right of payment with all
existing and future unsubordinated indebtedness of Cablevision. As of June 30,
1997, after giving effect to the transactions described in the introductory
paragraph to the table entitled "Capitalization" and the application of the net
proceeds from the sale of the Old Debentures, (i) Cablevision would have had
approximately $1,888.3 million of debt outstanding (other than the Debentures
and other than certain limited recourse guarantees of subsidiary debt),
virtually all of which would have been unsecured, (ii) Restricted Group (as
defined herein) subsidiaries of Cablevision would have had approximately
$1,502.6 million of third-party debt (including guarantees of borrowings under
the Credit Agreement (as defined herein) of $840.0 million), and (iii)
Unrestricted Group (as defined herein) subsidiaries of Cablevision would have
had approximately $2,134.4 million of debt. See "Risk Factors--Ranking of the
Debentures" and "Capitalization" for additional information concerning
indebtedness of Cablevision and its subsidiaries.
 
    Old Debentures initially sold to Qualified Institutional Buyers (as defined
in Rule 144A under the Securities Act) and pursuant to Regulation S under the
Securities Act were represented by global Debenture certificates in definitive
fully registered form without coupons, registered in the name of a nominee of
The Depository Trust Company ("DTC"), as depositary. The New Debentures
exchanged for Old Debentures represented by the global Debenture certificates
will be represented by global Debenture certificates in definitive fully
registered form without coupons, registered in the name of the nominee of DTC,
as depositary, unless the beneficial holders thereof request otherwise. The
global Debenture certificates will be exchangeable, upon ten days' prior written
notice, for New Debentures in definitive fully registered form without coupons,
in denominations of $1,000 and integral multiples thereof. See "Description of
New Debentures--Book-Entry Delivery and Form."
 
    Based on no-action letters issued by the staff of the Securities and
Exchange Commission (the "Commission") to third parties, the Company believes
the New Debentures issued pursuant to the Exchange Offer may be offered for
resale, resold and otherwise transferred by holders thereof (other than any such
holder that is an "affiliate" of the Company within the meaning of Rule 405
under the Securities Act) without compliance with the registration and
prospectus delivery provisions of the Securities Act provided that such New
Debentures are acquired in the ordinary course of such holders' business and
such holders have no arrangements with any person to participate in the
distribution of such New Debentures. Each broker-dealer that receives New
Debentures for its own account pursuant to the Exchange Offer must acknowledge
that it will deliver a prospectus in connection with any resale of such New
Debentures. The Letter of Transmittal states that by so acknowledging and by
delivering a prospectus, a broker-dealer will not be deemed to admit that it is
an "underwriter" within the meaning of the Securities Act. This Prospectus, as
it may be amended or supplemented from time to time, may be used by a
broker-dealer in connection with resales of New Debentures received in exchange
for Old Debentures where such Old Debentures were acquired by such broker-dealer
as a result of market-making activities or other trading activities. The Company
has agreed that, for a period of 90 days after the Expiration Date, it will make
this Prospectus and any amendment or supplement to this Prospectus available to
any broker-dealer for use in connection with any such resale. See "Plan of
Distribution."
 
    The Company will not receive any proceeds from this offering, and no
underwriter is being utilized in connection with the Exchange Offer.
 
    THE EXCHANGE OFFER IS NOT BEING MADE TO, NOR WILL THE COMPANY ACCEPT
SURRENDERS FOR EXCHANGE FROM, HOLDERS OF OLD DEBENTURES IN ANY JURISDICTION IN
WHICH THE EXCHANGE OFFER OR THE ACCEPTANCE THEREOF WOULD NOT BE IN COMPLIANCE
WITH THE SECURITIES OR BLUE SKY LAWS OF SUCH JURISDICTION.
 
    WE ARE NOT ASKING YOU FOR A PROXY AND YOU ARE REQUESTED NOT TO SEND US A
PROXY.
 
                                       2
<PAGE>
    The New Debentures are a new issue of securities for which there is
currently no trading market. If the New Debentures are traded after their
initial issuance, they may trade at a discount from their principal amount,
depending upon prevailing interest rates, the market for similar securities and
other factors, including general economic conditions and the financial condition
and performance of, and prospects for, the Company. Bear, Stearns & Co. Inc.,
Merrill Lynch, Pierce, Fenner & Smith Incorporated and Morgan Stanley & Co.
Incorporated have advised the Company that they currently intend to make a
market in the Old Debentures and the New Debentures. However, they are not
obligated to do so, and any market making activity with respect to the Old
Debentures and the New Debentures may be discontinued at any time without
notice. Accordingly, there can be no assurance as to the development or
liquidity of any market for the Old Debentures and the New Debentures. The
Company does not intend to apply for listing of the New Debentures on any
securities exchange or for quotation through the National Association of
Securities Dealers Automated Quotation System.
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                                           PAGE
                                                                                           -----
Available Information.................................................................           4
<S>                                                                                     <C>
Incorporation of Certain Documents by Reference.......................................           4
Summary...............................................................................           6
Risk Factors..........................................................................          16
Use of Proceeds.......................................................................          20
The Exchange Offer....................................................................          20
Capitalization........................................................................          27
Description of New Debentures.........................................................          29
Certain Federal Income Tax Consequences...............................................          41
Plan of Distribution..................................................................          43
Validity of New Debentures............................................................          44
Experts...............................................................................          44
</TABLE>
 
                                       3
<PAGE>
                             AVAILABLE INFORMATION
 
    The Company is subject to the informational requirements of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and in accordance
therewith files reports, proxy statements and other information with the
Commission. Such reports, proxy statements and other information filed by the
Company may be inspected and copied at the public reference facilities of the
Commission at Room 1024, Judiciary Plaza, 450 Fifth Street, N.W., Washington,
D.C. 20549, and at the following regional offices: Seven World Trade Center,
Suite 1300, New York, New York 10048; and Citicorp Center, 500 West Madison
Street, Suite 1400, Chicago, Illinois 60661; and are also available on the
Commission's worldwide web site at http://www.sec.gov. Copies of such material
can be obtained from the Public Reference Section of the Commission at Judiciary
Plaza, 450 Fifth Street, N.W., Washington, D.C. 20549 at prescribed rates. Such
reports, proxy statements and other information also may be inspected at the
offices of the American Stock Exchange, 86 Trinity Place, New York, New York
10006.
 
    This Prospectus constitutes a part of a registration statement (the
"Registration Statement") filed by the Company with the Commission under the
Securities Act. As permitted by the rules and regulations of the Commission,
this Prospectus does not contain all of the information contained in the
Registration Statement and the exhibits and schedules thereto and reference is
hereby made to the Registration Statement and the exhibits and schedules thereto
for further information with respect to the Company and the securities offered
hereby. Statements contained herein concerning the provisions of any documents
filed as an exhibit to the Registration Statement or otherwise filed with the
Commission are not necessarily complete, and in each instance reference is made
to the copy of such document so filed. Each such statement is qualified in its
entirety by such reference.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
    The Company hereby incorporates by reference into this Prospectus the
following documents or information filed with the Commission:
 
        (a) the Company's Annual Report on Form 10-K for the fiscal year ended
    December 31, 1996, as amended by the Company's Form 10-K/A for the fiscal
    year ended December 31, 1996 (collectively, the "Form 10-K");
 
        (b) the Company's Quarterly Reports on Form 10-Q for the fiscal quarter
    ended March 31, 1997 and June 30, 1997 (the "Form 10-Qs");
 
        (c) the Company's Current Reports on Form 8-K filed February 18, 1997,
    March 12, 1997, April 18, 1997, June 10, 1997, July 10, 1997, August 30,
    1997 and September 9, 1997 (the "Form 8-Ks"); and
 
        (d) all documents filed by the Company pursuant to Section 13(a), 13(c),
    14 or 15(d) of the Exchange Act on or after the date of this Prospectus and
    prior to the termination of the offering made hereby.
 
    Any statement contained herein or in any document incorporated or deemed to
be incorporated by reference herein shall be deemed to be modified or superseded
for the purpose of this Prospectus to the extent that a subsequent statement
contained herein or in any subsequently filed document which also is or is
deemed to be incorporated by reference herein modifies or supersedes such
statement. Any such statement so modified or superseded shall not be deemed,
except as so modified or superseded, to constitute a part of this Prospectus.
 
    The Company will provide without charge to each person, including any
beneficial owner, to whom this Prospectus is delivered, upon the written or oral
request of any such person, a copy of any or all of the information incorporated
herein by reference other than exhibits to such information (unless such
exhibits are specifically incorporated by reference into such information). The
Company's principal executive
 
                                       4
<PAGE>
offices are located at One Media Crossways, Woodbury, New York 11797, and its
telephone number is (516) 364-8450. Requests for such copies should be directed
to the Secretary of the Company at its executive offices.
                            ------------------------
 
    NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR MAKE ANY
REPRESENTATIONS OTHER THAN THOSE CONTAINED OR INCORPORATED BY REFERENCE IN THIS
PROSPECTUS AND THE ACCOMPANYING LETTER OF TRANSMITTAL AND, IF GIVEN OR MADE,
SUCH INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING BEEN
AUTHORIZED BY THE COMPANY OR THE EXCHANGE AGENT. NEITHER THE DELIVERY OF THIS
PROSPECTUS OR THE ACCOMPANYING LETTER OF TRANSMITTAL, OR BOTH TOGETHER, NOR ANY
SALE MADE HEREUNDER SHALL UNDER ANY CIRCUMSTANCES CREATE AN IMPLICATION THAT
THERE HAS BEEN NO CHANGE IN THE AFFAIRS OF THE COMPANY SINCE THE DATE HEREOF.
NEITHER THIS PROSPECTUS NOR THE ACCOMPANYING LETTER OF TRANSMITTAL, OR BOTH
TOGETHER, CONSTITUTE AN OFFER TO SELL OR A SOLICITATION OF AN OFFER TO BUY ANY
OF THE SECURITIES OFFERED HEREBY BY ANYONE IN ANY JURISDICTION IN WHICH SUCH
OFFER OR SOLICITATION IS NOT AUTHORIZED OR IN WHICH THE PERSON MAKING SUCH OFFER
OR SOLICITATION IS NOT QUALIFIED TO DO SO OR TO ANY PERSON TO WHOM IT IS
UNLAWFUL TO MAKE SUCH OFFER OR SOLICITATION.
 
    The term "Consolidated Financial Statements" refers to the Company's
Consolidated Financial Statements and the Notes thereto incorporated by
reference from the Form 10-K and the term "Management's Discussion and Analysis"
refers to the Management's Discussion and Analysis of Financial Condition and
Results of Operations incorporated by reference from the Form 10-K or the Form
10-Qs, as applicable.
                            ------------------------
 
    This Prospectus contains or incorporates by reference statements that
constitute forward looking information within the meaning of the Private
Securities Litigation Reform Act of 1995. Investors are cautioned that such
forward looking statements are not guarantees of future performance or results
and involve risks and uncertainties and that actual results or developments may
differ materially from the forward looking statements as a result of various
factors. Factors that may cause such differences to occur include but are not
limited to (i) the level of growth in the Company's revenues, (ii) subscriber
demand, competition, the cost of programming and industry conditions, (iii)
whether expenses of the Company continue to increase or increase at a rate
faster than expected, (iv) whether any unconsummated transactions are
consummated on the terms and at the times set forth (if at all), (v) new
competitors entering the Company's franchise areas and (vi) other risks and
uncertainties inherent in the cable television business. See "Risk Factors."
 
                                       5
<PAGE>
                                    SUMMARY
 
    THE FOLLOWING INFORMATION IS QUALIFIED IN ITS ENTIRETY BY THE MORE DETAILED
INFORMATION, FINANCIAL STATEMENTS AND PRO FORMA FINANCIAL INFORMATION APPEARING
ELSEWHERE IN THIS PROSPECTUS OR INCORPORATED BY REFERENCE HEREIN. INVESTMENT IN
THE SECURITIES OFFERED HEREBY INVOLVES SIGNIFICANT RISKS. SEE "RISK FACTORS."
 
                                  THE COMPANY
 
    The Company is one of the largest operators of cable television systems in
the United States, with approximately 2,889,000 subscribers in 19 states as of
June 30, 1997, based on the number of basic subscribers in systems which are
currently majority-owned and managed by the Company (after giving effect to the
closing of the A-R Cable Transaction, as defined under "Capitalization" herein
and described in the Company's Form 10-Q for the quarter ended June 30, 1997).
The Company also has ownership interests in companies that produce and
distribute national and regional programming services and provide advertising
sales services for the cable television industry and in Madison Square Garden,
L.P. ("MSG"), a sports entertainment company.
 
CABLE TELEVISION
 
    The cable television systems that are currently majority-owned and managed
by the Company (the "Company's cable television systems") served approximately
2,889,000 subscribers in 19 states as of June 30, 1997 (after giving effect to
the closing of the A-R Cable Transaction, as described in the Company's Form
10-Q for the quarter ended June 30, 1997). The Company's cable television
systems have generally been characterized by relatively high revenues per
subscriber ($38.19 for June 1997) and a high ratio of premium service units to
basic subscribers (1.4:1 for June 1997). In calculating revenue per subscriber,
the Company includes only recurring service revenues and excludes installation
charges and certain other revenues such as advertising, pay-per-view and home
shopping revenues.
 
    The cable television operations in the Company's restricted group of
subsidiaries (the "Restricted Group") served approximately 1,937,000 subscribers
as of June 30, 1997, primarily in and around metropolitan New York City
(including in the boroughs of Brooklyn and The Bronx, on Long Island, in
Fairfield County, Connecticut, in New Jersey and in Westchester County, New
York) and in and around Boston, Massachusetts. The revenue per subscriber and
ratio of premium service units to basic subscribers for cable television systems
in the Restricted Group for June 1997 were $41.51 and 1.6:1, respectively.
 
    The cable television operations currently in the Company's unrestricted
group of subsidiaries ("Unrestricted Cable") served approximately 952,000
subscribers as of June 30, 1997 in Ohio and 15 other states. The revenue per
subscriber and ratio of premium service units to basic subscribers for
Unrestricted Cable for June 1997 were $31.47 and 1.1:1, respectively.
 
PROGRAMMING AND ENTERTAINMENT SERVICES
 
    The Company conducts its programming and entertainment activities through
Rainbow Media Holdings, Inc. ("Rainbow Media"), its 75% owned subsidiary and a
member of the Unrestricted Group, and through subsidiaries of Rainbow Media in
partnership with certain unaffiliated entities, including Liberty Media
Corporation. The remaining 25% interest in Rainbow Media is owned by NBC Cable
Holdings, Inc., a subsidiary of National Broadcasting Company, Inc. ("NBC").
Rainbow Media's businesses include MSG, seven regional SportsChannel networks,
five national entertainment networks (American Movie Classics ("AMC"), Bravo,
MuchMusic, Romance Classics and the Independent Film Channel ("IFC")), Rainbow
News 12 (regional news networks serving suburban areas surrounding New York
City) and the sports network of Prime SportsChannel Networks ("Prime Network").
MSG is a sports entertainment company that owns and operates the Madison Square
Garden arena and the adjoining Theater at MSG, the New York Knickerbockers
professional basketball team, the New York Rangers
 
                                       6
<PAGE>
professional hockey team, the Madison Square Garden Network and SportsChannel
Associates ("SportsChannel New York"). MSG and Rainbow Media's SportsChannel
networks provide regional sports programming to the New York, New England,
Chicago, Cincinnati, Cleveland, San Francisco and Florida areas. AMC is a
national entertainment network featuring classic, unedited and non-colorized
films from the 1930s through the 1970s. Bravo is a national entertainment
network offering international films and performing arts programs, including
jazz, dance, classical music, opera and theatrical programs. Romance Classics is
a national entertainment network featuring classic, unedited and non-colorized
films with romantic themes from the 1930s through the 1970s. MuchMusic is a
music network featuring a diverse mix of new and established musical artists.
IFC is a national entertainment network that airs independent films made outside
the traditional Hollywood system. See "Business--Programming
Operations--General" in the Form 10-K.
 
ADVERTISING SERVICES
 
    Rainbow Advertising sells advertising time to national, regional and local
advertisers on behalf of the Company's cable television systems and the
SportsChannel and Rainbow News 12 programming networks, as well as on behalf of
unaffiliated cable television systems. Under the agreement with Fox Sports Net,
LLC ("Fox Sports") described in the Company's Form 8-K filed July 10, 1997,
Rainbow Media would contribute the national advertising assets of Rainbow
Advertising relating to its SportsChannel programming networks to a new 50/50
partnership with Fox Sports to be named National Advertising Partners.
 
                                       7
<PAGE>
                   SUMMARY OF THE TERMS OF THE EXCHANGE OFFER
 
    The Exchange Offer relates to the exchange of up to $400,000,000 aggregate
principal amount of Old Debentures for up to an equal aggregate principal amount
of New Debentures. The New Debentures will be obligations of the Company
entitled to the benefits of the Indenture. The form and terms of the New
Debentures are the same in all material respects as the form and terms of the
Old Debentures, except that the New Debentures have been registered under the
Securities Act and will not contain terms restricting the transfer thereof (and
hence are not entitled to the benefits of the Registration Rights Agreement
relating to the contingent increases in the interest rate provided for pursuant
thereto). The Old Debentures and the New Debentures are herein collectively
referred to as the "Debentures." See "Description of New Debentures."
 
<TABLE>
<S>                            <C>
THE EXCHANGE OFFER...........  $1,000 principal amount of New Debentures will be issued in
                                 exchange for each $1,000 principal amount of Old
                                 Debentures validly tendered pursuant to the Exchange
                                 Offer. As of the date hereof, $400,000,000 in aggregate
                                 principal amount of Old Debentures are outstanding. The
                                 Company will issue the New Debentures to tendering holders
                                 of Old Debentures promptly after the Expiration Date.
 
RESALE.......................  The Company believes that the New Debentures issued pursuant
                               to the Exchange Offer generally will be freely transferable
                                 by the holders thereof without registration or any
                                 prospectus delivery requirement under the Securities Act,
                                 except that a "dealer" or any "affiliate" of the Company,
                                 as such terms are defined under the Securities Act, that
                                 exchanges Old Debentures held for its own account (a
                                 "Restricted Holder") may be required to deliver copies of
                                 this Prospectus in connection with any resale of the New
                                 Debentures issued in exchange for such Old Debentures. See
                                 "The Exchange Offer--General" and "Plan of Distribution."
 
EXPIRATION DATE..............  5:00 p.m., New York City time, on       , 1997, unless the
                               Exchange Offer is extended, in which case the term
                                 "Expiration Date" means the latest date and time to which
                                 the Exchange Offer is extended. See "The Exchange
                                 Offer--Expiration Date; Extensions; Amendments."
 
ACCRUED INTEREST ON THE NEW
  DEBENTURES AND THE OLD
  DEBENTURES.................  The New Debentures will bear interest from August 26, 1997.
                               Holders of Old Debentures whose Old Debentures are accepted
                                 for exchange will be deemed to have waived the right to
                                 receive any payment in respect of interest on such Old
                                 Debentures accrued from August 26, 1997 to the date of the
                                 issuance of the New Debentures. Consequently, holders who
                                 exchange their Old Debentures for New Debentures will
                                 receive the same interest payment on February 15, 1998
                                 (the first interest payment date with respect to the Old
                                 Debentures and the New Debentures) that they would have
                                 received had they not accepted the Exchange Offer. See
                                 "The Exchange Offer--Interest on the New Debentures."
</TABLE>
 
                                       8
<PAGE>
 
<TABLE>
<S>                            <C>
TERMINATION OF THE EXCHANGE
  OFFER......................  The Company may terminate the Exchange Offer if it
                               determines that its ability to proceed with the Exchange
                                 Offer could be materially impaired due to any legal or
                                 governmental action, any new law, statute, rule or
                                 regulation or any interpretation of the staff of the
                                 Commission of any existing law, statute, rule or
                                 regulation or if the Company deems it advisable to
                                 terminate the Exchange Offer. Holders of Old Debentures
                                 will have certain rights against the Company under the
                                 Registration Rights Agreement should the Company fail to
                                 consummate the Exchange Offer. See "The Exchange
                                 Offer--Termination."
 
                               No federal or state regulatory requirements must be complied
                                 with or approvals obtained in connection with the Exchange
                                 Offer, other than applicable requirements under federal
                                 and state securities laws.
 
PROCEDURES FOR TENDERING OLD
  DEBENTURES.................  Each holder of Old Debentures wishing to accept the Exchange
                               Offer must complete, sign and date the accompanying Letter
                                 of Transmittal, or a facsimile thereof, in accordance with
                                 the instructions contained herein and therein, and mail or
                                 otherwise deliver such Letter of Transmittal, or such
                                 facsimile, together with the Old Debentures to be
                                 exchanged and any other required documentation to The Bank
                                 of New York, as Exchange Agent, at the address set forth
                                 herein and therein or effect a tender of Old Debentures
                                 pursuant to the procedures for book-entry transfer as
                                 provided for herein. See "The Exchange Offer--Procedures
                                 for Tendering."
 
SPECIAL PROCEDURES FOR
  BENEFICIAL HOLDERS.........  Any beneficial holder whose Old Debentures are registered in
                               the name of his broker, dealer, commercial bank, trust
                                 company or other nominee and who wishes to tender in the
                                 Exchange Offer should contact such registered holder
                                 promptly and instruct such registered holder to tender on
                                 his behalf. If such beneficial holder wishes to tender on
                                 his own behalf, such beneficial holder must, prior to
                                 completing and executing the Letter of Transmittal and
                                 delivering his Old Debentures, either make appropriate
                                 arrangements to register ownership of the Old Debentures
                                 in such holder's name or obtain a properly completed bond
                                 power from the registered holder. The transfer of record
                                 ownership may take considerable time. See "The Exchange
                                 Offer--Procedures for Tendering."
 
GUARANTEED DELIVERY
  PROCEDURES.................  Holders of Old Debentures who wish to tender their Old
                               Debentures and whose Old Debentures are not immediately
                                 available or who cannot deliver their Old Debentures (or
                                 who cannot complete the procedure for book-entry transfer
                                 on a timely basis) and a properly completed Letter of
                                 Transmittal or any other documents required by the Letter
                                 of Transmittal to the Exchange Agent prior to the
                                 Expiration Date may tender their Old Debentures according
                                 to the guaranteed delivery procedures set forth in "The
                                 Exchange Offer-- Guaranteed Delivery Procedures."
</TABLE>
 
                                       9
<PAGE>
 
<TABLE>
<S>                            <C>
WITHDRAWAL RIGHTS............  Tenders of Old Debentures may be withdrawn at any time prior
                               to 5:00 p.m., New York City time, on the business day prior
                                 to the Expiration Date, unless previously accepted for
                                 exchange. See "The Exchange Offer--Withdrawal of Tenders."
 
ACCEPTANCE OF OLD DEBENTURES
  AND DELIVERY OF NEW DEBEN-
  TURES......................  Subject to certain conditions (as summarized above in
                               "Termination of the Exchange Offer" and described more fully
                                 in "The Exchange Offer--Termination"), the Company will
                                 accept for exchange any and all Old Debentures which are
                                 properly tendered in the Exchange Offer prior to 5:00
                                 p.m., New York City time, on the Expiration Date. The New
                                 Debentures issued pursuant to the Exchange Offer will be
                                 delivered promptly following the Expiration Date. See "The
                                 Exchange Offer--General."
 
CERTAIN FEDERAL INCOME TAX
  CONSEQUENCES...............  The exchange pursuant to the Exchange Offer will generally
                               not be a taxable event for federal income tax purposes. See
                                 "Certain Federal Income Tax Consequences."
 
EXCHANGE AGENT...............  The Bank of New York, the Trustee under the Indenture, is
                               serving as exchange agent (the "Exchange Agent") in
                                 connection with the Exchange Offer. See "The Exchange
                                 Offer--Exchange Agent."
 
USE OF PROCEEDS..............  There will be no cash proceeds payable to the Company from
                               the issuance of the New Debentures pursuant to the Exchange
                                 Offer. Net proceeds received by the Company from the sale
                                 of the Old Debentures were initially applied to repay
                                 borrowings under the Company's principal bank credit
                                 agreement (the "Credit Agreement").
</TABLE>
 
                     SUMMARY DESCRIPTION OF NEW DEBENTURES
 
<TABLE>
<S>                            <C>
SECURITIES OFFERED...........  $400,000,000 principal amount of 8 1/8% Series B Senior
                               Debentures due 2009 (the "New Debentures").
 
MATURITY DATE................  August 15, 2009.
 
INTEREST PAYMENT DATES.......  February 15 and August 15, commencing February 15, 1998.
 
OPTIONAL REDEMPTION..........  The Debentures are not subject to redemption at the option
                               of the Company prior to maturity.
 
RANKING......................  The Old Debentures are, and the New Debentures will be,
                               senior unsecured obligations of Cablevision and will rank
                                 PARI PASSU in right of payment with all existing and
                                 future unsubordinated indebtedness of Cablevision. All
                                 secured indebtedness of Cablevision will have a prior
                                 claim with respect to the assets securing such indebted-
                                 ness. The liabilities, including trade payables, of
                                 Cablevision's subsidiaries will have a prior claim with
                                 respect to the assets of those subsidiaries. In that
                                 regard, certain of the subsidiaries in the Company's
                                 Restricted Group have guaranteed the indebtedness of
                                 Cablevision under the Credit Agreement, but these
                                 subsidiaries are not guarantors of the Old Debentures and
                                 will not be guarantors of
</TABLE>
 
                                       10
<PAGE>
 
<TABLE>
<S>                            <C>
                                 the New Debentures. As of June 30, 1997, after giving
                                 effect to the transactions described in the introductory
                                 paragraph to the table entitled "Capitalization" and the
                                 application of the net proceeds from the sale of the Old
                                 Debentures, (i) Cablevision would have had $840.0 million
                                 outstanding under the Credit Agreement, $1,048.2 million
                                 of subordinated and senior subordinated indebtedness and
                                 obligations and $115,000 of capitalized leases; (ii)
                                 subsidiaries in the Restricted Group would have had $657.4
                                 million of indebtedness and $5.2 million of capitalized
                                 leases, in addition to the guarantees of Cablevision's
                                 borrowings under the Credit Agreement; and (iii)
                                 subsidiaries in the Company's unrestricted group of
                                 subsidiaries (the "Unrestricted Group") would have had
                                 $2,134.4 million of indebtedness and capitalized leases.
                                 All of the indebtedness of subsidiaries in the Restricted
                                 Group has been guaranteed by Cablevision ($151.0 million
                                 on a senior subordinated basis and the balance on a senior
                                 basis) and $1,070.6 million of the indebtedness of
                                 subsidiaries in the Unrestricted Group has been guaranteed
                                 by Cablevision on a limited recourse basis with the
                                 guarantee limited to the stock of the relevant subsidiary,
                                 which stock has been pledged to the lender to secure the
                                 guarantee.
 
CERTAIN RESTRICTIONS.........  The Indenture for the Debentures, among other things,
                               contains restrictions (with certain exceptions) on the
                                 ability of the Company and its Restricted Subsidiaries (as
                                 defined) to incur additional indebtedness, make certain
                                 dividend payments or payments to redeem or retire capital
                                 stock, invest in Unrestricted Subsidiaries or Affiliates
                                 (each, as defined), engage in certain transactions with
                                 Affiliates, incur liens and merge or consolidate with or
                                 transfer all or substantially all of their assets to
                                 another entity.
 
REGISTRATION RIGHTS..........  The Company is obligated to consummate the Exchange Offer or
                               to cause resales of the Old Debentures to be registered
                                 under the Securities Act and, if one of such events does
                                 not occur prior to April 26, 1998, then the annual
                                 interest rate borne by the Old Debentures will be
                                 increased to 8 3/8%. Thereafter, at the end of each 90-day
                                 period during which such Exchange Offer is not con-
                                 summated or a shelf registration statement is not declared
                                 effective, the annual interest rate borne by the Old
                                 Debentures shall be increased by an additional 0.25%. Upon
                                 consummation of such Exchange Offer or the effectiveness
                                 of such shelf registration statement, the interest rate
                                 borne by the Old Debentures will revert to 8 1/8%. See
                                 "Description of New Debentures--Registration Rights."
</TABLE>
 
                                  RISK FACTORS
 
    PROSPECTIVE INVESTORS SHOULD CONSIDER CAREFULLY CERTAIN MATTERS RELATING TO
AN INVESTMENT IN THE NEW DEBENTURES. SEE "RISK FACTORS."
 
                                       11
<PAGE>
                            SELECTED FINANCIAL DATA
 
    The historical consolidated statement of operations data (except for book
value per common share and deficiency of earnings available to cover fixed
charges) and consolidated balance sheet data for each year ended and as of
December 31 in each year in the five-year period ended December 31, 1996,
included in the following selected financial data, have been derived from the
Consolidated Financial Statements of the Company, audited by KPMG Peat Marwick
LLP, independent public accountants. The historical consolidated statement of
operations data and balance sheet data for the periods ended and as of June 30,
1997 and 1996 included in the following selected financial data have been
derived from financial statements of the Company that have not been audited, but
that, in the opinion of the management of the Company, reflect all adjustments
necessary for the fair presentation of such data for the interim periods. The
results of operations for the six-month period ended June 30, 1997 are not
necessarily indicative of the results of operations for the full year, although
the Company expects to incur a substantial loss for the year ending December 31,
1997.
<TABLE>
<CAPTION>
                                              SIX MONTHS ENDED
                                                  JUNE 30,                       YEAR ENDED DECEMBER 31,
                                            --------------------  -----------------------------------------------------
<S>                                         <C>        <C>        <C>        <C>        <C>        <C>        <C>
                                              1997       1996       1996       1995       1994       1993       1992
                                            ---------  ---------  ---------  ---------  ---------  ---------  ---------
 
<CAPTION>
                                                           (DOLLARS IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                         <C>        <C>        <C>        <C>        <C>        <C>        <C>
CONSOLIDATED STATEMENT OF OPERATIONS
  DATA(1):
Revenues..................................  $ 797,065  $ 624,496  $1,315,142 $1,078,060 $ 837,169  $ 666,724  $ 572,487
Operating expenses:
  Technical...............................    340,430    257,580    538,272    412,479    302,885    241,877    204,449
  Selling, general and administrative.....    214,619    146,439    313,476    266,209    195,942    172,687    120,356
  Restructuring charge....................         --         --         --         --      4,306(2)        --        --
  Depreciation and amortization...........    222,581    175,168    388,982    319,929    271,343    194,904    168,538
                                            ---------  ---------  ---------  ---------  ---------  ---------  ---------
Operating profit..........................     19,435     45,309     74,412     79,443     62,693     57,256     79,144
Other income (expense):
  Interest expense, net...................   (152,957)  (129,859)  (265,015)  (311,887)  (261,781)  (230,327)  (193,379)
  Provision for preferential payment to
    related party.........................     (2,800)    (2,800)    (5,600)    (5,600)    (5,600)    (5,600)    (2,662)
  Provision for loss on Olympics
    venture...............................         --         --         --         --         --         --    (50,000)(3)
  Loss on sale of preferred stock.........         --         --         --         --         --         --    (20,000)(4)
  Write-off of deferred interest and
    financing costs(5)....................         --    (24,012)   (37,784)    (5,517)    (9,884)    (1,044)   (12,284)
  Loss on redemption of debentures........         --         --         --         --     (7,088 (5)        --        --
  Share of affiliates' net losses.........    (31,481)   (40,061)   (82,028)   (93,024)   (82,864)   (61,017)   (47,278)
  Gain (loss) on sale of programming and
    affiliate interests, net..............         --         --         --     35,989         --       (330)     7,053
  Minority interest.......................      3,828     (4,810)    (9,417)    (8,637)    (3,429)     3,000         --
  Gain on sale of marketable securities,
    net...................................         --         --         --         --         --         --        733
  Settlement of litigation and related
    matters...............................         --         --         --         --         --         --     (5,655)
  Miscellaneous, net......................     (3,991)    (4,243)    (6,647)    (8,225)    (7,198)    (8,720)    (6,175)
                                            ---------  ---------  ---------  ---------  ---------  ---------  ---------
Net loss..................................   (167,966)  (160,476)  (332,079)  (317,458)  (315,151)  (246,782)  (250,503)
Dividend requirements applicable to
  preferred stock.........................    (72,731)   (58,173)  (127,780)   (20,249)    (6,385)      (885)      (885)
Net loss applicable to common
  stockholders............................  $(240,697) $(218,649) $(459,859) $(337,707) $(321,536) $(247,667) $(251,388)
                                            ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                            ---------  ---------  ---------  ---------  ---------  ---------  ---------
Net loss per common share.................  $   (9.69) $   (8.81) $  (18.52) $  (14.17) $  (13.72) $  (10.83) $  (11.17)
                                            ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                            ---------  ---------  ---------  ---------  ---------  ---------  ---------
Average number of common shares
  outstanding (in thousands)..............     24,842     24,819     24,827     23,826     23,444     22,859     22,512
                                            ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                            ---------  ---------  ---------  ---------  ---------  ---------  ---------
Book value per common share...............  $ (105.20) $  (85.59) $  (95.59) $  (76.61) $  (76.93) $  (64.61) $  (55.28)
                                            ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                            ---------  ---------  ---------  ---------  ---------  ---------  ---------
Deficiency of earnings available to cover
  fixed charges...........................  $(167,966) $(160,476) $(332,079) $(317,458) $(315,151) $(246,782) $(250,503)
                                            ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                            ---------  ---------  ---------  ---------  ---------  ---------  ---------
</TABLE>
 
                                                   (FOOTNOTES ON FOLLOWING PAGE)
 
                                       12
<PAGE>
 
<TABLE>
<CAPTION>
                                                      AS OF                         AS OF DECEMBER 31,
                                                     JUNE 30,   ----------------------------------------------------------
                                                       1997        1996        1995        1994        1993        1992
                                                    ----------  ----------  ----------  ----------  ----------  ----------
<S>                                                 <C>         <C>         <C>         <C>         <C>         <C>
                                                                        (DOLLARS IN THOUSANDS, EXCEPT
                                                                        AVERAGE MONTHLY REVENUE DATA)
CONSOLIDATED BALANCE SHEET DATA(1):
Total assets......................................  $4,648,324  $3,034,725  $2,502,305  $2,176,413  $1,327,418  $1,251,157
Total debt........................................   4,572,291   3,334,701   3,157,107   3,169,236   2,235,499   2,004,452
Redeemable preferred stock........................   1,062,884   1,005,265     257,751          --          --          --
Stockholders' deficiency..........................  (2,614,570) (2,374,285) (1,891,676) (1,818,535) (1,503,244) (1,250,248)
 
STATISTICAL DATA(1):
Homes passed(6)...................................   3,970,000   3,858,000   3,328,000   2,899,000   2,240,000   2,019,000
Basic service subscribers.........................   2,560,000   2,445,000   2,061,000   1,768,000   1,379,000   1,262,000
Basic penetration(7)..............................        64.5%       63.4%       61.9%       61.0%       61.6%       62.5%
Number of premium television units................   3,803,000   3,862,000   3,990,000   3,208,000   3,003,000   2,802,000
Average number of premium units per basic
  subscriber......................................         1.5         1.6         1.9         1.8         2.2         2.2
Average monthly revenue per basic subscriber(8)...  $    39.18  $    36.71  $    37.07  $    36.33  $    36.59  $    37.64
</TABLE>
 
- ------------------------
(1) The consolidated statement of operations, balance sheet and statistical data
    reflect (i) the acquisition of Cablevision of New York City ("Cablevision of
    NYC"), effective as of July 10, 1992, and (ii) various acquisitions of cable
    television systems and other businesses during the periods presented. See
    "Business--Cable Television Operations" in the Form 10-K. Acquisitions made
    by the Company during the periods presented were accounted for under the
    purchase method of accounting and, accordingly, the acquisition costs were
    allocated to the net assets acquired based on their fair value, except for
    the acquisition of partnership interests in Cablevision of NYC from Charles
    F. Dolan and entities affiliated with him, which were recorded at Mr.
    Dolan's and such entities' historical costs. Acquisitions are reflected in
    the consolidated statement of operations, balance sheet and statistical data
    from the time of acquisition.
 
(2) The Company recorded a one-time charge in the first quarter of 1994 to
    provide for employee severance and related costs resulting from a
    restructuring of its operations.
 
(3) In 1992, the Company recognized a $50 million loss in connection with
    Rainbow Media's commitment in respect of its venture with NBC relating to
    the 1992 Summer Olympics, which the Company paid in January 1993.
 
(4) In connection with the 1992 reorganization of V Cable, Inc. ("V Cable"), the
    Company redeemed the redeemable preferred stock of A-R Cable Services, Inc.
    ("A-R Cable"), incurring a loss of $20 million.
 
(5) In connection with the 1992 reorganization of V Cable, the Company wrote off
    approximately $7.5 million of deferred financing costs related to the debt
    of V Cable, and a portion of the Company's deferred financing costs of
    approximately $4.8 million in 1992 and $1.0 million in 1993, related to the
    replacement of bank debt with subordinated debt, were written off. In
    October 1994, the Company entered into a new bank credit agreement and
    redeemed $200 million of its reset debentures. The related deferred
    financing costs and unamortized discount relating to each were written off
    (the portions relating to Cablevision of NYC and Cablevision of New Jersey
    amounting to $3.2 million were written off in 1995) and charges of
    approximately $2.0 million in redemption fees, $4.5 million in deferred
    financing costs and $0.6 million in unamortized discount were recorded in
    connection with the redemption of the reset debentures. In January 1995,
    Rainbow Media amended its credit agreement to refinance its existing
    borrowings and to provide funds for the acquisition of the third-party
    interests in SportsChannel New York and Rainbow News 12, resulting in an
    approximately $2.3 million write-off of deferred financing costs. In April
    1996, the Company wrote off approximately $24.0 million of deferred interest
    and financing costs in connection with the refinancing of all indebtedness
    of V Cable and VC Holding, Inc. and formation of Cablevision of Ohio. In
    September 1996, the Company wrote off approximately $10.3 million of
    deferred financing costs in connection with the refinancing of the Credit
    Agreement, and in the fourth quarter of 1996, an additional $3.1 million of
    deferred financing costs relating to the Company's MFR subsidiary were
    written off in connection with a reorganization and refinancing of
    Cablevision MFR, Inc.
 
(6) Homes passed is based upon homes passed by cable actually marketed and does
    not include multiple dwelling units passed by the cable plant that are not
    connected to it.
 
(7) Basic penetration represents basic service subscribers at the end of the
    period as a percentage of homes passed at the end of the period.
 
(8) Based on recurring service revenues, excluding installation charges and
    certain other revenues such as advertising, pay-per-view and home shopping
    revenues, for the month of June or December, as the case may be, divided by
    the average number of basic subscribers for that month.
 
                                       13
<PAGE>
                   SUPPLEMENTAL FINANCIAL AND OPERATING DATA
 
    The following tables set forth information concerning the Company's
Restricted Group and Unrestricted Cable on the dates and for the periods
indicated. Data for the 1997, 1996 and 1995 periods reflect the Restricted Group
and Unrestricted Cable as they were constituted on June 30, 1997. Pro forma data
for the periods ended and as of June 30, 1997 and December 31, 1996 have been
adjusted to give pro forma effect to the transactions described under "Condensed
Pro Forma Consolidated Financial Information" in the Company's Form 8-K filed on
August 30, 1997 and assumes that A-R Cable, A-R Cable Partners and Cablevision
of Framingham Holdings, Inc. ("CFHI") became part of Unrestricted Cable as of
the beginning of the respective periods. The data should be read in conjunction
with the Company's Consolidated Financial Statements and Management's Discussion
and Analysis.
 
<TABLE>
<CAPTION>
                                        SIX MONTHS ENDED
                                            JUNE 30,                                        YEAR ENDED DECEMBER 31,
                         ----------------------------------------------      -----------------------------------------------------
                                     1997                      1996                    1996                 1995          1994
                         -----------------------------      -----------      -------------------------   -----------   -----------
                             PRO                                                 PRO
FINANCIAL DATA            FORMA (1)          ACTUAL                           FORMA (1)      ACTUAL
- -----------------------  -----------       -----------                       -----------   -----------
                                                                  (DOLLARS IN THOUSANDS)
<S>                      <C>               <C>              <C>              <C>           <C>           <C>           <C>
RESTRICTED GROUP:
STATEMENT OF OPERATIONS
  DATA:
Revenues...............   $  517,607        $  517,607       $  452,704       $  955,996    $  938,252    $  787,955    $  584,567
Operating profit before
  depreciation and
  amortization(2)......      210,893           210,893          189,501          398,728       392,240       344,062       249,316
Depreciation and
  amortization.........      148,424           148,424          132,974          292,695       283,404       248,944       154,187
Operating profit.......       62,469            62,469           56,527          106,033       108,836        95,118        95,129
Total interest
  expense(3)...........      118,258           117,143          106,734          226,107       213,723       235,479       153,923
BALANCE SHEET DATA:
Total assets...........   $2,330,598        $2,329,018       $2,229,534       $2,279,826    $2,278,246    $1,875,970    $1,119,882
Bank and senior debt...    1,560,266         1,172,154          606,001        1,436,290       984,554     1,133,231       969,895
Subordinated debt(3)...    1,199,172         1,474,172        1,464,305        1,199,105     1,464,373     1,064,876       764,802
Obligation to related
  party................      189,958           189,958          190,081          192,819       192,819       192,945       193,079
Total debt(3)..........    2,949,396         2,836,284        2,260,387        2,828,214     2,641,746     2,391,052     1,927,776
FINANCIAL RATIOS AND
  OTHER DATA:
Operating profit before
  depreciation and
  amortization to
  revenues.............         40.7%             40.7%            41.9%            41.7%         41.8%         43.7%         42.6%
Total debt to operating
  profit before
  depreciation and
  amortization.........          7.0x(4)           6.7x(4)          6.0x(4)          7.1x          6.7x          6.9x          7.7x
Operating profit before
  depreciation and
  amortization to total
  interest expense.....          1.8x              1.8x             1.8x             1.8x          1.8x          1.5x          1.6x
Capital expenditures...   $  159,404        $  159,404       $  133,326       $  341,974    $  338,468    $  251,210    $  251,078
 
UNRESTRICTED CABLE:
STATEMENT OF OPERATIONS
  DATA:
Revenues...............   $  184,026        $  111,058       $   62,329       $  352,995    $  158,382    $  117,200    $  169,826
Operating profit before
  depreciation and
  amortization(2)......       68,578            39,248           23,643          135,360        59,420        48,354        84,932
Depreciation and
  amortization.........       70,674            47,414           20,823          141,121        61,837        43,611       105,938
Operating profit
  (loss)...............       (2,096)           (8,166)           2,820           (5,761)       (2,417)        4,743       (21,006)
Total interest
  expense..............       40,532            19,924           13,750           86,257        31,737        59,125       103,803
BALANCE SHEET DATA:
Total assets...........   $  817,752        $  620,153       $  589,768       $  908,881    $  617,848    $  256,206    $  823,363
Total debt.............      910,837           512,470          291,400          932,048       471,881       528,021     1,092,440
FINANCIAL RATIOS AND
  OTHER DATA:
</TABLE>
 
                                                   (FOOTNOTES ON FOLLOWING PAGE)
 
                                       14
<PAGE>
 
<TABLE>
<CAPTION>
                                        SIX MONTHS ENDED
                                            JUNE 30,                                        YEAR ENDED DECEMBER 31,
                         ----------------------------------------------      -----------------------------------------------------
                                     1997                      1996                    1996                 1995          1994
                         -----------------------------      -----------      -------------------------   -----------   -----------
                             PRO                                                 PRO
FINANCIAL DATA            FORMA (1)          ACTUAL                           FORMA (1)      ACTUAL
- -----------------------  -----------       -----------                       -----------   -----------
                                                                  (DOLLARS IN THOUSANDS)
<S>                      <C>               <C>              <C>              <C>           <C>           <C>           <C>
Operating profit before
  depreciation and
  amortization to
  revenues.............         37.3%             35.3%            37.9%            38.3%         37.5%         41.3%         50.0%
Total debt to operating
  profit before
  depreciation and
  amortization.........          6.6x(4)           6.5x(4)          6.2x(4)          6.9x          7.9x         10.9x        9.9x(5)
Operating profit before
  depreciation and
  amortization to total
  interest expense.....          1.7x              2.0x             1.7x             1.6x          1.9x          0.8x          0.8x
Capital expenditures...   $   38,076        $   30,202       $   40,009       $  113,433    $   84,855    $   27,013    $   24,195
</TABLE>
 
<TABLE>
<CAPTION>
                                                           AS OF JUNE 30,
                                                 -----------------------------------
                                                           1997              1996               1996
                                                 ------------------------  ---------  ------------------------
STATISTICAL DATA                                 PRO FORMA (1)   ACTUAL               PRO FORMA (1)   ACTUAL
- -----------------------------------------------  -------------  ---------             -------------  ---------
<S>                                              <C>            <C>        <C>        <C>            <C>
RESTRICTED GROUP:
Homes passed(6)................................     3,004,000   3,004,000  2,841,000     2,982,000   2,982,000
Basic service subscribers......................     1,937,000   1,937,000  1,825,000     1,888,000   1,888,000
Basic penetration(7)...........................          64.5%       64.5%      64.2%         63.3%       63.3%
Number of premium television units.............     3,014,000   3,014,000  3,047,000     3,125,000   3,125,000
Average number of premium units per basic
  subscriber...................................           1.6         1.6        1.7           1.7         1.7
Average revenue per basic subscriber(8)........        $41.51      $41.51     $38.66        $38.84      $38.84
 
UNRESTRICTED CABLE:
Homes passed(6)................................     1,423,000     966,000    532,000     1,415,000     876,000
Basic service subscribers......................       952,000     623,000    308,000       938,000     557,000
Basic penetration(7)...........................          66.9%       64.5%      57.9%         66.3%       63.6%
Number of premium television units.............     1,080,000     789,000    391,000     1,079,000     737,000
Average number of premium units per basic
  subscriber...................................           1.1         1.3        1.3           1.2         1.3
Average revenue per basic subscriber(8)........        $31.47      $31.95     $31.81        $29.68      $29.54
</TABLE>
 
- ------------------------
(1) The information presented does not give pro forma effect to the Pending TCI
    Transactions (as described in the Company's Form 8-K filed June 10, 1997) or
    for the sale of certain cable television systems (as described in the Form
    10-Q for the fiscal quarter ended March 31, 1997 and in the Form 8-K filed
    September 9, 1997).
 
(2) Operating profit before depreciation and amortization is presented here to
    provide additional information about the Company's ability to meet future
    debt service, capital expenditures and working capital requirements.
    Operating profit before depreciation and amortization should be considered
    in addition to and not as a substitute for net income and cash flows as
    indicators of financial performance and liquidity as reported in accordance
    with generally accepted accounting principles.
 
(3) Includes Cablevision MFR, Inc. seller note in the amount of $141.3 million
    that is, together with related interest expense, guaranteed by the
    Restricted Group and, for pro forma amounts, also includes CFHI seller note
    in the amount of $9.7 million.
 
(4) Operating profit before depreciation and amortization is annualized for
    purposes of preparing interim financial ratios that include balance sheet
    items.
 
(5) Cablevision MFR, Inc. was acquired in August 1994, and operating profit
    before depreciation and amortization for 1994 for the period the Company
    owned Cablevision MFR, Inc. is annualized for purposes of preparing
    financial ratios.
 
(6) Homes passed is based upon homes passed by cable actually marketed and does
    not include multiple dwelling units passed by the cable plant that are not
    connected to it.
 
(7) Basic penetration represents basic service subscribers at the end of the
    period as a percentage of homes passed at the end of the period.
 
(8) Based on recurring service revenues, excluding installation charges and
    certain other revenues such as advertising, pay-per-view and home shopping
    revenues, for the last month in the period presented, divided by the average
    number of basic subscribers for that month.
 
                                       15
<PAGE>
                                  RISK FACTORS
 
    Investment in the New Debentures involves various risks, including the
following principal factors, which, together with the other matters set forth
herein or incorporated by reference herein, should be carefully considered by
prospective investors.
 
    SUBSTANTIAL INDEBTEDNESS AND HIGH DEGREE OF LEVERAGE.  The Company has
incurred substantial indebtedness and issued substantial amounts of mandatorily
redeemable preferred stock, primarily to finance acquisitions and expansion of
its operations, to refinance outstanding indebtedness and, to a lesser extent,
for investments in and advances to affiliates. The Company's consolidated debt
plus the Company's 11 3/4% Series H Redeemable Exchangeable Preferred Stock and
11 1/8% Series M Redeemable Exchangeable Preferred Stock aggregated
approximately $5.6 billion at June 30, 1997. See Note 4 of Notes to the
Consolidated Financial Statements. As a result of the Company's high level of
indebtedness and the significant amount of redeemable preferred stock, the
Company has significant cash requirements to service indebtedness and to pay
dividends and redemption amounts on redeemable preferred stock, increasing the
Company's vulnerability to adverse developments in its business and adverse
economic and industry conditions.
 
    NET LOSSES AND STOCKHOLDERS' DEFICIENCY.  The Company reported net losses
applicable to common stockholders for the six months ended June 30, 1997 and
1996 of $240.7 million and $218.6 million, respectively, and for the years ended
December 31, 1996, 1995 and 1994 of $459.9 million, $337.7 million and $321.5
million, respectively. At June 30, 1997, the Company had a stockholders'
deficiency of $2.6 billion. The net losses primarily reflect high levels of
interest expense and depreciation and amortization charges relating to the
depreciation of assets obtained through, and debt incurred to finance,
acquisitions. Interest expense and depreciation and amortization charges
remained at a high level throughout 1994, 1995 and 1996 and will continue at
high levels throughout 1997 and future years as a result of previously
completed, pending and future acquisitions, expected capital expenditures and
additional investments in the Company's programming operations. The Company
expects to continue incurring substantial losses for at least the next several
years. See "Management's Discussion and Analysis--Liquidity and Capital
Resources."
 
    POSSIBLE NONCOMPLETION OF CERTAIN TRANSACTIONS.  There can be no assurances
that the Company's pending transactions referred to in the Company's Form 8-Ks
filed June 10, 1997, July 10, 1997 and September 9, 1997 and in the Company's
Form 10-Q for the fiscal quarter ended June 30, 1997 will be consummated in a
timely manner or at all.
 
    POSSIBLE SEPARATION OF RAINBOW MEDIA FROM THE COMPANY.  If the pending
transactions with Tele-Communications, Inc. ("TCI") described in the Company's
Form 8-K filed June 10, 1997 are consummated, Cablevision, the issuer of the
Debentures, will be a wholly-owned subsidiary of CSC Parent Corporation ("CSC
Parent"), the indirect subsidiaries of TCI contributed in such transactions (the
"TCI Contributed Entities") will be held as separate direct subsidiaries of CSC
Parent and Rainbow Media will continue to be a 75%-owned subsidiary of
Cablevision (with NBC owning the remaining 25% interest). The Contribution and
Merger Agreement with TCI permits the Company under certain circumstances to
restructure these holdings so that Rainbow Media becomes a separate subsidiary
of CSC Parent (and would no longer be a subsidiary of Cablevision) and the TCI
Contributed Entities become subsidiaries of Cablevision. Following such
transactions, the residual equity value of Rainbow Media would no longer support
the ability to pay interest and principal on the Debentures and other debt.
 
    NEED FOR ADDITIONAL FINANCING.  The Company's business requires substantial
investment on a continuing basis to finance capital expenditures and related
expenses for, among other things, upgrade of the Company's cable plant, the
offering of new services and the further participation in existing services, the
funding of costs of cable programming services prior to their becoming cash-flow
positive, and the servicing, repayment or refinancing of its indebtedness and
mandatorily redeemable preferred stock. The
 
                                       16
<PAGE>
Company will require significant additional financing, through debt and/or
equity issuances, to meet its capital expenditure plans and to pay the principal
of and interest on its debt and to pay dividends and make redemption payments on
its preferred stock. The Company also intends to incur additional costs to
facilitate the startup of such adjunct businesses as high speed data service,
digital video service and residential telephony. Depending upon the timing and
scope of the rollout of these businesses, the Company may require additional
capital. Depending on the scope of the Company's participation in the PCS and
DBS ventures, additional capital may also be required for these businesses. In
addition, the Company may require additional capital if it elects to pay cash to
(i) acquire ITT Corporation's remaining interest in MSG following an exercise by
ITT Corporation of its put rights or by the Company of its call rights or (ii)
make the Cablevision of NYC Payment (as defined herein) to Charles F. Dolan due
under the Cablevision of NYC Agreement (as defined herein). There can be no
assurance that the Company will be able to issue additional debt or obtain
additional equity capital on satisfactory terms, or at all, to meet its future
financing needs. See "Management's Discussion and Analysis--Liquidity and
Capital Resources."
 
    FUTURE CAPITAL EXPENDITURES AND COMMITMENTS.  The Company intends to make
substantial capital expenditures, including major system upgrades, with respect
to its cable television systems over the next several years. In addition, the
Company, through Rainbow Media and its subsidiaries, has entered into numerous
contracts relating to cable television programming, including rights agreements
with professional and other sports teams. These contracts typically require
substantial payments over extended periods of time. See Note 11 of Notes to the
Consolidated Financial Statements for a discussion of commitments.
 
    The Company has a commitment to fund annual payments to Charles F. Dolan
related to Cablevision of New York City, L.P. ("Cablevision of NYC"). See
"Business--Consolidated Cable Affiliates--Cablevision of New York City" and
"Business--Programming Operations" in the Form 10-K and "Management's Discussion
and Analysis--Liquidity and Capital Resources."
 
    INTANGIBLE ASSETS.  The Company had total assets at June 30, 1997 of $4.6
billion, of which $2.4 billion were intangible assets, consisting of franchises,
affiliation agreements, excess cost over fair value of net assets acquired and
deferred financing, acquisition and other costs. It is possible that no cash
would be recoverable from the voluntary or involuntary sale of these intangible
assets.
 
    VOTING CONTROL BY MAJORITY STOCKHOLDERS; DISPARATE VOTING RIGHTS.  As of
June 30, 1997, Charles F. Dolan beneficially owned and possessed sole voting
power with respect to 10,805 shares or 0.1% of the Company's outstanding Class A
common stock (the "Class A Common Stock") and 4,859,281 shares or 43.7% of the
Company's outstanding Class B common stock (the "Class B Common Stock" and,
collectively with the Class A Common Stock, the "Common Stock"). In addition, as
of June 30, 1997, an aggregate of 1,240,000 shares or 11.2% of the outstanding
Class B Common Stock were held by a grantor retained annuity trust (the "GRA
Trust") established by Mr. Dolan for estate planning purposes. Mr. Dolan may be
deemed to have beneficial ownership of the shares of Class B Common Stock held
by the GRA Trust due to his right to reacquire the Class B Common Stock held by
the GRA Trust by substituting other property of equivalent value, but, until
such event, the GRA Trust, through its co-trustees (who are Mr. Dolan and his
spouse) has the power to vote and dispose of the shares of Class B Common Stock
held by it. As a result of his beneficial ownership of the shares held by the
GRA Trust, as of June 30, 1997, Mr. Dolan beneficially owned 10,805 shares or
0.1% of the Company's outstanding Class A Common Stock and 6,099,281 shares or
54.9% of the Company's outstanding Class B Common Stock. On a combined basis,
these shares represented 24.6% of the total number of shares of both classes of
Common Stock and 48.8% of the total voting power of the Common Stock. Other
trusts established by Mr. Dolan for the benefit of certain Dolan family members,
and as to which Mr. Dolan disclaims beneficial ownership, owned, as of June 30,
1997, an additional 40,000 shares of Class A Common Stock or 0.3% of the Class A
Common Stock and 5,019,928 shares of the Class B Common Stock or 45.1% of the
Class B Common Stock and 40.2% of the total voting power of all classes of the
Common Stock. As a result of this
 
                                       17
<PAGE>
stock ownership, Dolan family members have the power to elect all the directors
subject to election by holders of the Class B Common Stock, which directors
constitute 75% of the entire Board of Directors of the Company. Moreover,
because holders of Class B Common Stock are entitled to ten votes per share
while holders of Class A Common Stock are entitled to one vote per share, Dolan
family members may control stockholder decisions on matters in which holders of
Class A and Class B Common Stock vote together as a class. These matters include
the amendment of certain provisions of the Company's certificate of
incorporation (the "Certificate of Incorporation") and the approval of
fundamental corporate transactions, including mergers. In addition, because the
affirmative vote or consent of the holders of at least 66 2/3% of the
outstanding shares of the Class B Common Stock, voting separately as a class, is
required to approve (i) the authorization or issuance of any additional shares
of Class B Common Stock and (ii) any amendment, alteration or repeal of any of
the provisions of the Certificate of Incorporation which adversely affects the
powers, preferences or rights of the Class B Common Stock, Dolan family members
also have the power to prevent such issuance or amendment. The voting rights of
the Class B Common Stock beneficially owned by the Dolan family members will not
be modified as a result of any transfer of legal or beneficial ownership
thereof. If the pending transactions with TCI are consummated, the Common Stock
of the Dolan family members will be converted into shares of common stock of CSC
Parent and the Dolan family members will continue to maintain the voting rights
set forth above, including the voting rights resulting from the ownership of a
majority of the total voting power of CSC Parent's common stock.
 
    RESTRICTIVE COVENANTS.  The Credit Agreement and certain of the Company's
other debt instruments contain various financial and operating covenants which,
among other things, require the maintenance of certain financial ratios and
restrict the Company's ability to borrow funds from other sources and to utilize
funds for various purposes, including investments in certain subsidiaries.
Violation of the covenants in the Credit Agreement or in the indentures
governing the Company's publicly-issued debentures and notes could result in a
default under the Credit Agreement which would permit the bank lenders
thereunder (i) to restrict the Company's ability to borrow undrawn funds under
the Credit Agreement and (ii) to accelerate the maturity of borrowings
thereunder. See "Management's Discussion and Analysis--Liquidity and Capital
Resources."
 
    RISKS RELATED TO REGULATION.  The Company's cable television operations may
be adversely affected by government regulation, the impact of competitive forces
and technological changes. In 1992, Congress enacted the 1992 Cable Act, which
represented a significant change in the regulatory framework under which cable
television systems operate. In 1993 and 1994, the Federal Communications
Commission ("FCC") ordered reductions in cable television rates. In 1995, a
Federal appeals court upheld the material aspects of the FCC's rate regulation
scheme. Congress subsequently enacted legislation (the "Telecommunications Act
of 1996") that relaxes the regulation of cable television rates; however, the
most significant rate regulation relaxation affecting the Company will not occur
until after March 31, 1999. See "Business-- Cable Television
Operations--Competition" and "Business--Cable Television Operations--Regulation"
in the Form 10-K.
 
    RISK OF COMPETITION.  Cable operators compete with a variety of distribution
systems, including broadcast television stations, DBS, multichannel multipoint
distribution services ("MMDS"), satellite master antenna systems ("SMATV") and
private home dish earth stations. For example, four DBS systems are now
operational in the United States, some with investment by companies with
substantial resources such as Hughes Electronics Corp., AT&T Corp. and News
Corporation. The 1992 Cable Act prohibits a cable programmer that is owned by or
affiliated with a cable operator (such as Rainbow Media) from unreasonably
discriminating among or between cable operators and other multichannel video
distribution systems with respect to the price, terms and conditions of sale or
distribution of the programmer's service and from unreasonably refusing to sell
service to any multichannel video programming distributor. Cable systems also
compete with the entities that make videotaped movies and programs available for
home rental. The 1992 Cable Act regulates the ownership by cable operators of
MMDS and SMATV. Under the
 
                                       18
<PAGE>
Telecommunications Act of 1996, the cross-ownership provisions do not apply to
any cable operator in a franchise area in which a cable operator faces
competition from video programming distributors meeting certain statutory
requirements. The Telecommunications Act of 1996 gives telephone companies and
other video providers the option of providing video programming to subscribers
through "open video systems" ("OVS"), a wired video delivery system similar to a
cable television system that would not require a local cable franchise. Several
OVS operators have sought to enter New York City, Boston and Westchester County,
New York. Additional video competition to cable systems is possible from new
wireless local multipoint distribution services ("LMDS") authorized by the FCC,
for which spectrum will be auctioned by the FCC in late 1997.
 
    COMPETITION FROM TELEPHONE COMPANIES.  The 1984 Cable Act barred
co-ownership of telephone companies and cable television systems operating in
the same service areas. The Telecommunications Act of 1996 repeals this
restriction and permits a telephone company to provide video programming
directly to subscribers in its telephone service territory, subject to certain
regulatory requirements, but generally prohibits a telephone company from
acquiring an in-region cable operator, except in certain small markets under
certain circumstances. Telephone companies (Ameritech Corp. in Ohio and Southern
New England Telephone Co. in Connecticut) have obtained or applied for local
franchises to construct and operate cable television systems in several
communities in which the Company currently holds cable franchises, and in
certain locations have commenced offering service. Neither the 1984 Cable Act
nor the 1992 Cable Act bars a telephone company from acquiring cable systems
outside its telephone service area. Several Regional Bell operating companies
have purchased or made investments in such cable systems. See "Business--Cable
Television Operations--Regulation" in the Form 10-K.
 
    RISK OF NON-EXCLUSIVE FRANCHISES AND FRANCHISE RENEWALS.  The Company's
cable television systems are operated primarily under non-exclusive franchise
agreements with local government franchising authorities, in some cases with the
approval of state cable television authorities. The Company's business is
dependent on its ability to obtain and renew its franchises. Although the
Company has never lost a franchise as a result of a failure to obtain a renewal,
its franchises are subject to non-renewal or termination under certain
circumstances. In certain cases, franchises have not been renewed at expiration
and the Company operates under either temporary operating agreements or without
a license while negotiating renewal terms with the franchising authorities. See
"Business--Cable Television Operations-- Franchises" in the Form 10-K.
 
    RANKING OF DEBENTURES.  The Old Debentures are, and the New Debentures will
be, senior unsecured obligations of Cablevision and will rank PARI PASSU in
right of payment with all existing and future unsubordinated indebtedness of
Cablevision. All secured indebtedness of Cablevision will have a prior claim
with respect to the assets securing such indebtedness. The liabilities,
including trade payables, of Cablevision's subsidiaries will have a prior claim
with respect to the assets of those subsidiaries. In that regard, certain of the
subsidiaries in the Company's Restricted Group have guaranteed the indebtedness
of Cablevision under the Credit Agreement, but these subsidiaries are not
guarantors of the Old Debentures and will not be guarantors of the New
Debentures. As of June 30, 1997, after giving effect to the transactions
described in the introductory paragraph to the table entitled "Capitalization"
and the application of the net proceeds from the sale of the Old Debentures, (i)
Cablevision would have had $840.0 million outstanding under the Credit
Agreement, $1,048.2 million of subordinated and senior subordinated indebtedness
and obligations and $115,000 of capitalized leases; (ii) subsidiaries in the
Restricted Group would have had $657.4 million of indebtedness and $5.2 million
of capitalized leases, in addition to the guarantees of Cablevision's borrowings
under the Credit Agreement; and (iii) subsidiaries in the Unrestricted Group
would have had $2,134.4 million of indebtedness and capitalized leases. All of
the indebtedness of subsidiaries in the Restricted Group has been guaranteed by
Cablevision ($151.0 million on a senior subordinated basis and the balance on a
senior basis) and $1,070.6 million of the indebtedness of subsidiaries in the
Unrestricted Group has been guaranteed by Cablevision on a limited recourse
basis
 
                                       19
<PAGE>
with the guarantee limited to the stock of the relevant subsidiary, which stock
has been pledged to the lender to secure the guarantee.
 
    ABSENCE OF PUBLIC MARKET.  The New Debentures are new securities for which
there currently is no market. Although Bear, Stearns & Co. Inc., Merrill Lynch,
Pierce, Fenner & Smith Incorporated and Morgan Stanley & Co. Incorporated have
informed the Company that they currently intend to make a market in the New
Debentures and the Old Debentures, they are not obligated to do so and any such
market making may be discontinued at any time without notice. Accordingly, there
can be no assurance as to the development or liquidity of any market for the
Debentures. In connection with the issuance of the Old Debentures, the Company
arranged for the Old Debentures to be eligible for trading in the Private
Offerings, Resale and Trading through Automatic Linkages (PORTAL) market. The
Company does not intend to apply for listing of either the Old Debentures or the
New Debentures, on any securities exchange or for quotation through the National
Association of Securities Dealers, Inc.'s Automated Quotation System.
 
                                USE OF PROCEEDS
 
    The Company will not receive any cash proceeds from the issuance of the New
Debentures offered hereby. In consideration for issuing the New Debentures as
contemplated in this Prospectus, the Company will receive in exchange Old
Debentures in like principal amount, the terms of which are the same in all
material respects as the form and terms of the New Debentures, except that the
New Debentures have been registered under the Securities Act and will not
contain terms restricting the transfer thereof. The Old Debentures surrendered
in exchange for the New Debentures will be retired and canceled and cannot be
reissued. Accordingly, issuance of the New Debentures will not result in any
increase in the indebtedness of the Company.
 
    The net proceeds received by the Company from the offering of the Old
Debentures was estimated to be $391.6 million. The Company initially applied the
net proceeds from the offering of the Old Debentures to repay borrowings under
the Credit Agreement, a portion of which were borrowed in July 1997 to redeem
the Company's 10 3/4% Senior Subordinated Debentures due 2004 (the "10 3/4%
Debentures").
 
                               THE EXCHANGE OFFER
 
GENERAL
 
    In connection with the sale of the Old Debentures, the purchasers thereof
became entitled to the benefits of certain registration rights (the
"Registration Rights"). Pursuant to the agreement governing the Registration
Rights (the "Registration Rights Agreement"), the Company agreed to use its
reasonable best efforts, at its cost, to file and cause to become effective a
registration statement with respect to the Exchange Offer to exchange the Old
Debentures for the New Debentures. Upon such registration statement being
declared effective, the Company has agreed to offer the New Debentures in return
for surrender of the Old Debentures. For each Old Debenture surrendered to the
Company under the Exchange Offer, the Holder will receive a New Debenture of
equal principal amount. In the event that applicable interpretations of the
staff of the Commission do not permit the Company to effect the Exchange Offer
or under certain other circumstances, the Company has agreed, at its cost, to
use its reasonable best efforts to cause to become effective a shelf
registration statement (the "Shelf Registration Statement") with respect to
resales of the Old Debentures and to keep such registration statement effective
until August 26, 1999. The Company shall, in the event of such a shelf
registration, provide to each holder copies of the prospectus, notify each
holder when the Shelf Registration Statement for the Old Debentures has become
effective and take certain other actions as are required to permit resales of
the Old Debentures.
 
    In the event an Exchange Offer is not consummated or a Shelf Registration
Statement is not declared effective on or prior to April 26, 1998, the annual
interest rate borne by the Old Debentures will be
 
                                       20
<PAGE>
increased to 8 3/8%. Thereafter, at the end of each 90-day period during which
such Exchange Offer is not consummated or such Shelf Registration Statement is
not declared effective, the annual interest rate borne by the Old Debentures
will be increased by an additional 0.25%. Upon consummation of such Exchange
Offer or the effectiveness of such Shelf Registration Statement, the interest
rate borne by the Old Debentures will revert to 8 1/8%.
 
    In the event an Exchange Offer is consummated, the Company will not be
required under the Registration Rights Agreement to file the Shelf Registration
Statement to register any outstanding Old Debentures, and the interest rate on
such Old Debentures will remain at its initial level of 8 1/8%. The Exchange
Offer will be deemed to have been consummated upon the earlier to occur of (i)
the Company having exchanged New Debentures for all outstanding Old Debentures
(other than Old Debentures held by a Restricted Holder) pursuant to the Exchange
Offer and (ii) the Company having exchanged, pursuant to the Exchange Offer, New
Debentures for all Old Debentures that have been tendered and not withdrawn on
the date that is 30 days following the commencement of such Exchange Offer. In
such event, holders of Old Debentures seeking liquidity in their investment
would have to rely on exemptions to registration requirements under the
securities laws, including the Securities Act. See "Description of New
Debentures--Registration Rights Agreement" and "Risk Factors."
 
    Upon the terms and subject to the conditions set forth in this Prospectus
and in the accompanying Letter of Transmittal, the Company will accept all Old
Debentures properly tendered prior to 5:00 p.m., New York City time, on the
Expiration Date. The Company will issue $1,000 principal amount of New
Debentures in exchange for each $1,000 principal amount of outstanding Old
Debentures accepted in the Exchange Offer. Holders may tender some or all of
their Old Debentures pursuant to the Exchange Offer in denominations of $1,000
and integral multiples thereof.
 
    Based on no-action letters issued by the staff of the Commission to third
parties, the Company believes that the New Debentures issued pursuant to the
Exchange Offer in exchange for Old Debentures may be offered for resale, resold
and otherwise transferred by holders thereof (other than any such holder that is
an "affiliate" of the Company within the meaning of Rule 405 under the
Securities Act) without compliance with the registration and prospectus delivery
requirements of the Securities Act provided that such New Debentures are
acquired in the ordinary course of such holders' business and such holders have
no arrangement with any person to participate in the distribution of such New
Debentures. Any holder of Old Debentures who tenders in the Exchange Offer for
the purpose of participating in a distribution of the New Debentures will not be
permitted to rely on such interpretation by the staff of the Commission and must
comply with the registration and prospectus delivery requirements of the
Securities Act in connection with any resale transaction. Each broker-dealer
that receives New Debentures for its own account in the Exchange Offer must
acknowledge that it will deliver a prospectus in connection with any resale of
such New Debentures. The Letter of Transmittal states that by so acknowledging
and by delivering a prospectus, a broker-dealer will not be deemed to admit that
it is an "underwriter" within the meaning of the Securities Act. This
Prospectus, as it may be amended or supplemented from time to time, may be used
by a broker-dealer in connection with resales of New Debentures received in
exchange for Old Debentures where such Old Debentures were acquired by such
broker-dealer as a result of market-making activities or other trading
activities. The Company has agreed that, for a period of 90 days after the
Expiration Date, it will make this Prospectus and any amendment or supplement to
this Prospectus available to any broker-dealer for use in connection with any
such resale. See "Plan of Distribution."
 
    As of the date of this Prospectus, $400,000,000 aggregate principal amount
of the Old Debentures is outstanding.
 
    This Prospectus, together with the accompanying letter of transmittal (the
"Letter of Transmittal"), is being sent to all registered holders as of       ,
1997 (the "Record Date").
 
    The Company shall be deemed to have accepted validly tendered Old Debentures
when, as and if it has given oral or written notice thereof to The Bank of New
York (the "Exchange Agent"). See "Exchange Agent." The Exchange Agent will act
as agent for the tendering holders of Old Debentures for the purpose of
receiving New Debentures from the Company and delivering New Debentures to such
holders.
 
                                       21
<PAGE>
    If any tendered Old Debentures are not accepted for exchange because of an
invalid tender or the occurrence of certain other events set forth herein,
certificates for any such unaccepted Old Debentures will be returned, without
expense, to the tendering holder thereof as promptly as practicable after the
Expiration Date.
 
    Holders of Old Debentures who tender in the Exchange Offer will not be
required to pay brokerage commissions or fees or, subject to the instructions in
the Letter of Transmittal, transfer taxes with respect to the exchange of Old
Debentures pursuant to the Exchange Offer. The Company will pay all charges and
expenses, other than certain applicable taxes, in connection with the Exchange
Offer. See "Fees and Expenses."
 
EXPIRATION DATE; EXTENSIONS; AMENDMENTS
 
    The term "Expiration Date" shall mean       , 1997, unless the Company, in
its sole discretion, extends the Exchange Offer, in which case the term
"Expiration Date" shall mean the latest date to which the Exchange Offer is
extended.
 
    In order to extend the Expiration Date, the Company will notify the Exchange
Agent of any extension by oral or written notice and will mail to the record
holders of Old Debentures an announcement thereof, prior to 9:00 a.m., New York
City time, on the next business day after the previously scheduled Expiration
Date. Such announcement may state that the Company is extending the Exchange
Offer for a specified period of time.
 
    The Company reserves the right (i) to delay acceptance of any Old
Debentures, to extend the Exchange Offer or to terminate the Exchange Offer and
to refuse to accept Old Debentures not previously accepted, if any of the
conditions set forth herein under "Termination" shall have occurred and shall
not have been waived by the Company (if permitted to be waived by the Company),
by giving oral or written notice of such delay, extension or termination to the
Exchange Agent, and (ii) to amend the terms of the Exchange Offer in any manner
deemed by it to be advantageous to the holders of the Old Debentures. Any such
delay in acceptance, extension, termination or amendment will be followed as
promptly as practicable by oral or written notice thereof. If the Exchange Offer
is amended in a manner determined by the Company to constitute a material
change, the Company will promptly disclose such amendment in a manner reasonably
calculated to inform the holders of the Old Debentures of such amendment.
 
    Without limiting the manner in which the Company may choose to make public
announcements of any delay in acceptance, extension, termination or amendment of
the Exchange Offer, the Company shall have no obligation to publish, advertise,
or otherwise communicate any such public announcement, other than by making a
timely release to the Dow Jones News Service.
 
INTEREST ON THE NEW DEBENTURES
 
    The New Debentures will bear interest from August 26, 1997, payable
semiannually on February l5 and August 15, of each year commencing on February
15, 1998, at the rate of 8 1/8% per annum. Holders of Old Debentures whose Old
Debentures are accepted for exchange will be deemed to have waived the right to
receive any payment in respect of interest on the Old Debentures accrued from
August 26, 1997 until the date of the issuance of the New Debentures.
Consequently, holders who exchange their Old Debentures for New Debentures will
receive the same interest payment on February 15, 1998 (the first interest
payment date with respect to the Old Debentures and the New Debentures) that
they would have received had they not accepted the Exchange Offer.
 
PROCEDURES FOR TENDERING
 
    To tender in the Exchange Offer, a holder must complete, sign and date the
Letter of Transmittal, or a facsimile thereof, have the signatures thereon
guaranteed if required by the Letter of Transmittal, and mail
 
                                       22
<PAGE>
or otherwise deliver such Letter of Transmittal or such facsimile, together with
the Old Debentures (unless such tender is being effected pursuant to the
procedure for book-entry transfer described below) and any other required
documents, to the Exchange Agent prior to 5:00 p.m., New York City time, on the
Expiration Date.
 
    Any financial institution that is a participant in the Book-Entry Transfer
Facility system of The Depository Trust Company ("DTC") may make book-entry
delivery of the Old Debentures by causing DTC to transfer such Old Debentures
into the Exchange Agent's account in accordance with DTC's procedure for such
transfer. Although delivery of Old Debentures may be effected through book-entry
transfer into the Exchange Agent's account at DTC, the Letter of Transmittal (or
facsimile thereof), with any required signature guarantees and any other
required documents, must, in any case, be transmitted to and received or
confirmed by the Exchange Agent at its address set forth herein under "Exchange
Agent" prior to 5:00 p.m., New York City time, on the Expiration Date. DELIVERY
OF DOCUMENTS TO DTC IN ACCORDANCE WITH ITS PROCEDURES DOES NOT CONSTITUTE
DELIVERY TO THE EXCHANGE AGENT.
 
    The tender by a holder of Old Debentures will constitute an agreement
between such holder and the Company in accordance with the terms and subject to
the conditions set forth herein and in the Letter of Transmittal.
 
    Delivery of all documents must be made to the Exchange Agent at its address
set forth herein. Holders may also request that their respective brokers,
dealers, commercial banks, trust companies or nominees effect such tender for
such holders.
 
    The method of delivery of Old Debentures and the Letter of Transmittal and
all other required documents to the Exchange Agent is at the election and risk
of the holders. Instead of delivery by mail, it is recommended that holders use
an overnight or hand delivery service. In all cases, sufficient time should be
allowed to assure timely delivery. No Letter of Transmittal or Old Debentures
should be sent to the Company.
 
    Only a holder of Old Debentures may tender such Old Debentures in the
Exchange Offer. The term "holder" with respect to the Exchange Offer means any
person in whose name Old Debentures are registered on the books of the Company
or any other person who has obtained a properly completed bond power from the
registered holder, or any person whose Old Debentures are held of record by DTC
who desires to deliver such Old Debentures by book-entry transfer at DTC.
 
    Any beneficial holder whose Old Debentures are registered in the name of his
broker, dealer, commercial bank, trust company or other nominee and who wishes
to tender should contact such registered holder promptly and instruct such
registered holder to tender on his behalf. If such beneficial holder wishes to
tender on his own behalf, such beneficial holder must, prior to completing and
executing the Letter of Transmittal and delivering his Old Debentures, either
make appropriate arrangements to register ownership of the Old Debentures in
such holder's name or obtain a properly completed bond power from the registered
holder. The transfer of record ownership may take considerable time.
 
    Signatures on a Letter of Transmittal or a notice of withdrawal, as the case
may be, must be guaranteed by a member firm of a registered national securities
exchange or of the National Association of Securities Dealers, Inc., a
commercial bank or trust company having an office or correspondent in the United
States or an "eligible guarantor institution" within the meaning of Rule 17Ad-15
under the Exchange Act (an "Eligible Institution") unless the Old Debentures
tendered pursuant thereto are tendered (i) by a registered holder who has not
completed the box entitled "Special Issuance Instructions" or "Special Delivery
Instructions" on the Letter of Transmittal or (ii) for the account of an
Eligible Institution.
 
    If the Letter of Transmittal is signed by a person other than the registered
holder of any Old Debentures listed therein, such Old Debentures must be
endorsed or accompanied by appropriate bond
 
                                       23
<PAGE>
powers which authorize such person to tender the Old Debentures on behalf of the
registered holder, in either case signed as the name of the registered holder or
holders appears on the Old Debentures.
 
    If the Letter of Transmittal or any Old Debentures or bond powers are signed
by trustees, executors, administrators, guardians, attorneys-in-fact, officers
of corporations or others acting in a fiduciary or representative capacity, such
persons should so indicate when signing, and unless waived by the Company,
evidence satisfactory to the Company of their authority to so act must be
submitted with the Letter of Transmittal.
 
    All questions as to the validity, form, eligibility (including time of
receipt), acceptance and withdrawal of the tendered Old Debentures will be
determined by the Company in its sole discretion, which determination will be
final and binding. The Company reserves the absolute right to reject any and all
Old Debentures not properly tendered or any Old Debentures the Company's
acceptance of which would, in the opinion of counsel for the Company, be
unlawful. The Company also reserves the absolute right to waive any
irregularities or conditions of tender as to particular Old Debentures. The
Company's interpretation of the terms and conditions of the Exchange Offer
(including the instructions in the Letter of Transmittal) will be final and
binding on all parties. Unless waived, any defects or irregularities in
connection with tenders of Old Debentures must be cured within such time as the
Company shall determine. Neither the Company, the Exchange Agent nor any other
person shall be under any duty to give notification of defects or irregularities
with respect to tenders of Old Debentures nor shall any of them incur any
liability for failure to give such notification. Tenders of Old Debentures will
not be deemed to have been made until such irregularities have been cured or
waived. Any Old Debentures received by the Exchange Agent that are not properly
tendered and as to which the defects or irregularities have not been cured or
waived will be returned without cost by the Exchange Agent to the tendering
holder of such Old Debentures unless otherwise provided in the Letter of
Transmittal, as soon as practicable following the Expiration Date.
 
    In addition, the Company reserves the right in its sole discretion to (a)
purchase or make offers for any Old Debentures that remain outstanding
subsequent to the Expiration Date, or, as set forth under "Termination," to
terminate the Exchange Offer and (b) to the extent permitted by applicable law,
purchase Old Debentures in the open market, in privately negotiated transactions
or otherwise. The terms of any such purchases or offers may differ from the
terms of the Exchange Offer.
 
GUARANTEED DELIVERY PROCEDURES
 
    Holders who wish to tender their Old Debentures and (i) whose Old Debentures
are not immediately available, or (ii) who cannot deliver their Old Debentures,
the Letter of Transmittal or any other required documents to the Exchange Agent
prior to the Expiration Date, or if such Holder cannot complete the procedure
for book-entry transfer on a timely basis, may effect a tender if:
 
    (a) The tender is made through an Eligible Institution;
 
    (b) Prior to the Expiration Date, the Exchange Agent receives from such
Eligible Institution a properly completed and duly executed Notice of Guaranteed
Delivery (by facsimile transmission, mail or hand delivery) setting forth the
name and address of the holder of the Old Debentures, the certificate number or
numbers of such Old Debentures and the principal amount of Old Debentures
tendered, stating that the tender is being made thereby, and guaranteeing that,
within five business days after the Expiration Date, the Letter of Transmittal
(or facsimile thereof), together with the certificate(s) representing the Old
Debentures to be tendered in prior form for transfer and any other documents
required by the Letter of Transmittal, will be deposited by the Eligible
Institution with the Exchange Agent; and
 
    (c) Such properly completed and executed Letter of Transmittal (or facsimile
thereof), together with the certificate(s) representing all tendered Old
Debentures in proper form for transfer (or confirmation of
 
                                       24
<PAGE>
a book-entry transfer into the Exchange Agent's account at DTC of Old Debentures
delivered electronically) and all other documents required by the Letter of
Transmittal are received by the Exchange Agent within five business days after
the Expiration Date.
 
WITHDRAWAL OF TENDERS
 
    Except as otherwise provided herein, tenders of Old Debentures may be
withdrawn at any time prior to 5:00 p.m., New York City time, on the business
day prior to the Expiration Date, unless previously accepted for exchange.
 
    To withdraw a tender of Old Debentures in the Exchange Offer, a written or
facsimile transmission notice of withdrawal must be received by the Exchange
Agent at its address set forth herein prior to 5:00 p.m., New York City time, on
the business day prior to the Expiration Date and prior to acceptance for
exchange thereof by the Company. Any such notice of withdrawal must (i) specify
the name of the person having deposited the Old Debentures to be withdrawn (the
"Depositor"), (ii) identify the Old Debentures to be withdrawn (including the
certificate number or numbers and principal amount of such Old Debentures),
(iii) be signed by the Depositor in the same manner as the original signature on
the Letter of Transmittal by which such Old Debentures were tendered (including
any required signature guarantees) or be accompanied by documents of transfer
sufficient to permit the Trustee with respect to the Old Debentures to register
the transfer of such Old Debentures into the name of the Depositor withdrawing
the tender and (iv) specify the name in which any such Old Debentures are to be
registered, if different from that of the Depositor. All questions as to the
validity, form and eligibility (including time of receipt) of such withdrawal
notices will be determined by the Company, whose determination will be final and
binding on all parties. Any Old Debentures so withdrawn will be deemed not to
have been validly tendered for purposes of the Exchange Offer and no New
Debentures will be issued with respect thereto unless the Old Debentures so
withdrawn are validly re-entered. Any Old Debentures which have been tendered
but which are not accepted for exchange will be returned to the holder thereof
without cost to such holder as soon as practicable after withdrawal, rejection
of tender or termination of the Exchange Offer. Properly withdrawn Old
Debentures may be retendered by following one of the procedures described above
under "Procedures for Tendering" at any time prior to the Expiration Date.
 
TERMINATION
 
    Notwithstanding any other term of the Exchange Offer, the Company will not
be required to accept for exchange, or exchange New Debentures for, any Old
Debentures not theretofore accepted for exchange, and may terminate or amend the
Exchange Offer as provided herein before the acceptance of such Old Debentures
if: (i) any action or proceeding is instituted or threatened in any court or by
or before any governmental agency with respect to the Exchange Offer, which, in
the Company's judgment, might materially impair the Company's ability to proceed
with the Exchange Offer, (ii) any law, statute, rule or regulation is proposed,
adopted or enacted, or any existing law, statute rule or regulation is
interpreted by the staff of the Commission in a manner, which, in the Company's
judgment, might materially impair the Company's ability to proceed with the
Exchange Offer, or (iii) the Company reasonably deems it advisable to terminate
the Exchange Offer.
 
    If the Company determines that it may terminate the Exchange Offer, as set
forth above, the Company may (i) refuse to accept any Old Debentures and return
any Old Debentures that have been tendered to the holders thereof, (ii) extend
the Exchange Offer and retain all Old Debentures tendered prior to the
Expiration of the Exchange Offer, subject to the rights of such holders of
tendered Old Debentures to withdraw their tendered Old Debentures, or (iii)
waive such termination event with respect to the Exchange Offer and accept all
properly tendered Old Debentures that have not been withdrawn. If such waiver
constitutes a material change in the Exchange Offer, the Company will disclose
such change by means of a supplement to this Prospectus that will be distributed
to each registered holder of Old Debentures, and the Company will extend the
Exchange Offer for a period of five to ten business days,
 
                                       25
<PAGE>
depending upon the significance of the waiver and the manner of disclosure to
the registered holders of the Old Debentures, if the Exchange Offer would
otherwise expire during such period. See "Description of New
Debentures--Registration Rights Agreement."
 
EXCHANGE AGENT
 
    The Bank of New York, the Trustee under the Indenture, has been appointed as
Exchange Agent for the Exchange Offer. Questions and requests for assistance and
requests for additional copies of this Prospectus or of the Letter of
Transmittal should be directed to the Exchange Agent addressed as follows:
 
                         The Bank of New York
 
                         Corporate Trust Department
 
                         101 Barclay Street, 21st Floor
 
                         New York, N.Y. 10286
 
                         Attention: Lucille Firrincieli
 
                         Facsimile Transmission: (212) 815-5915
 
                         Confirm by Telephone: (212) 815-5741
 
FEES AND EXPENSES
 
    The expenses of soliciting tenders pursuant to the Exchange Offer will be
borne by the Company. The principal solicitation for tenders pursuant to the
Exchange Offer is being made by mail. Additional solicitations may be made by
officers and employees of the Company and its affiliates in person, by telegraph
or telephone.
 
    The Company will not make any payments to brokers, dealers or other persons
soliciting acceptances of the Exchange Offer. The Company, however, will pay the
Exchange Agent reasonable and customary fees for its services and will reimburse
the Exchange Agent for its reasonable out-of-pocket expenses in connection
therewith. The Company may also pay brokerage houses and other custodians,
nominees and fiduciaries the reasonable out-of-pocket expenses incurred by them
in forwarding copies of this Prospectus, Letters of Transmittal and related
documents to the beneficial owners of the Old Debentures and in handling or
forwarding tenders for exchange.
 
    The expenses to be incurred in connection with the Exchange Offer, including
fees and expenses of the Exchange Agent and Trustee and accounting and legal
fees, will be paid by the Company.
 
    The Company will pay all transfer taxes, if any, applicable to the exchange
of Old Debentures pursuant to the Exchange Offer. If, however, certificates
representing New Debentures or Old Debentures for principal amounts not tendered
or accepted for exchange are to be delivered to, or are to be registered or
issued in the name of, any person other than the registered holder of the Old
Debentures tendered, or if tendered Old Debentures are registered in the name of
any person other than the person signing the Letter of Transmittal, or if a
transfer tax is imposed for any reason other than the exchange of Old Debentures
pursuant to the Exchange Offer, then the amount of any such transfer taxes
(whether imposed on the registered holder or any other persons) will be payable
by the tendering holder. If satisfactory evidence of payment of such taxes or
exemption therefrom is not submitted with the Letter of Transmittal, the amount
of such transfer taxes will be billed directly to such tendering holder.
 
ACCOUNTING TREATMENT
 
    No gain or loss for accounting purposes will be recognized by the Company
upon the consummation of the Exchange Offer. The expenses of the Exchange Offer
will be amortized by the Company over the term of the New Debentures under
generally accepted accounting principles.
 
                                       26
<PAGE>
                                 CAPITALIZATION
 
    The following table sets forth the consolidated capitalization of the
Company and its consolidated subsidiaries at June 30, 1997 and as adjusted to
reflect (i) the July 2, 1997 closing of the Company's purchase of the interests
in A-R Cable not previously owned by the Company (as described in the Company's
Form 10-Q for the quarter ended June 30, 1997) (the "A-R Cable Transaction"),
(ii) the redemption of the 10 3/4% Debentures and (iii) the issuance of
$400,000,000 of Old Debentures on August 26, 1997 and the application of the net
proceeds to the Company therefrom. See Note 2 below and "Use of Proceeds."
 
<TABLE>
<CAPTION>
                                                                                            AS OF JUNE 30, 1997
                                                                                           ----------------------
                                                                                           HISTORICAL  PRO FORMA
                                                                                           ----------  ----------
<S>                                                                                        <C>         <C>
                                                                                           (DOLLARS IN THOUSANDS)
LONG-TERM DEBT:
Restricted Group:
  Bank indebtedness(1)...................................................................  $  850,372  $  839,976
  Cablevision MFR, Inc. bank indebtedness................................................     316,424     316,424
  8 1/8% Senior Debentures due 2009......................................................          --     398,508
  10 3/4% Senior Subordinated Debentures due 2004(2).....................................     275,000          --
  9 1/4% Senior Subordinated Notes due 2005..............................................     300,000     300,000
  9 7/8% Senior Subordinated Notes due 2006..............................................     149,453     149,453
  9 7/8% Senior Subordinated Debentures due 2013.........................................     199,023     199,023
  10 1/2% Senior Subordinated Debentures due 2016........................................     250,000     250,000
  9 7/8% Senior Subordinated Debentures due 2023.........................................     149,696     149,696
  Subordinated notes(3)..................................................................     151,000     151,000
  Obligation to related party(4).........................................................     189,952     189,958
  Capitalized lease obligations..........................................................       5,358       5,358
                                                                                           ----------  ----------
    Total Restricted Group...............................................................   2,836,284   2,949,396
                                                                                           ----------  ----------
Unrestricted Cable:
  Cablevision of Ohio bank indebtedness(5)...............................................     302,464     302,464
  U.S. Cable bank indebtedness(5)........................................................     156,610     156,610
  A-R Cable Partners and CFHI bank indebtedness(5).......................................      53,196      53,196
  A-R Cable bank indebtedness(5).........................................................          --     398,367
  Capitalized lease obligations..........................................................         200         200
                                                                                           ----------  ----------
    Total Unrestricted Cable.............................................................     512,470     910,837
                                                                                           ----------  ----------
Other Unrestricted Subsidiaries:
  AMC bank indebtedness..................................................................     220,000     220,000
  MSG bank indebtedness..................................................................     804,000     804,000
  Rainbow Media bank indebtedness(5).....................................................     160,000     160,000
  Capitalized lease obligations and other................................................      39,537      39,537
                                                                                           ----------  ----------
    Total Other Unrestricted Subsidiaries................................................   1,223,537   1,223,537
                                                                                           ----------  ----------
      Total long-term debt...............................................................   4,572,291   5,083,770
                                                                                           ----------  ----------
Series H Redeemable Exchangeable Preferred Stock(6)......................................     306,762     306,762
                                                                                           ----------  ----------
Series M Redeemable Exchangeable Preferred Stock(6)......................................     756,122     756,122
                                                                                           ----------  ----------
STOCKHOLDERS' DEFICIENCY:
  Series C/D Cumulative Preferred Stock:
      Authorized--225,000 shares
        Outstanding--110,622 shares......................................................           1           1
Series I Cumulative Convertible Exchangeable Preferred Stock(6)..........................          14          14
Class A Common Stock:
      Authorized--50,000,000 shares
        Outstanding--13,733,347 shares...................................................         137         137
Class B Common Stock:
      Authorized--20,000,000 shares
      Outstanding--11,119,709 shares.....................................................         112         112
Paid-in capital..........................................................................     164,950     164,950
Accumulated deficit......................................................................  (2,779,784) (2,611,811)
                                                                                           ----------  ----------
  Total stockholders' deficiency.........................................................  (2,614,570) (2,446,597)
                                                                                           ----------  ----------
    Total capitalization.................................................................  $3,020,605  $3,700,057
                                                                                           ----------  ----------
                                                                                           ----------  ----------
 
                                                                                    (FOOTNOTES ON FOLLOWING PAGE)
</TABLE>
 
                                       27
<PAGE>
- ------------------------
 
FOOTNOTES:
 
(1) See "Management's Discussion and Analysis--Liquidity and Capital Resources"
    and the Consolidated Financial Statements for a description of bank
    indebtedness. These amounts do not include approximately $16.9 million
    reserved under the Company's bank credit agreements for certain letters of
    credit issued on behalf of the Company. The Company and its New Jersey
    subsidiary are jointly and severally liable under the New Jersey
    subsidiary's credit agreement. Certain of Cablevision's subsidiaries in the
    Restricted Group have guaranteed Cablevision's borrowings under the Credit
    Agreement.
 
(2) The 10 3/4% Debentures, included herein as long-term debt as of June 30,
    1997, were called for redemption on June 25, 1997 and redeemed on July 25,
    1997.
 
(3) Represents Cablevision MFR, Inc. seller notes in the amount of $141.3
    million for Monmouth Cable and Riverview Cable and $9.7 million for CFHI
    (after giving effect to the 1997 Warburg Transactions). These amounts are
    effectively guaranteed on a senior subordinated basis by Cablevision.
 
(4) Obligation of NYC LP Corp., a wholly-owned Unrestricted Group subsidiary,
    relating to the acquisition of Cablevision of NYC, which obligation has been
    guaranteed by Cablevision. Cablevision's obligation under such guarantee may
    be paid in cash or, at Cablevision's option, shares of Common Stock.
 
(5) This indebtedness has been guaranteed by Cablevision with recourse under
    such guarantees limited to Cablevision's equity ownership in the related
    borrower.
 
(6) At Cablevision's election, this series of Preferred Stock may be exchanged
    for senior subordinated debentures in a principal amount corresponding to
    the liquidation value of the Preferred Stock.
 
                                       28
<PAGE>
                         DESCRIPTION OF NEW DEBENTURES
 
    The Old Debentures were, and the New Debentures will be, issued under an
Indenture dated as of August 15, 1997 (the "Indenture") between the Company and
The Bank of New York ("BONY"), trustee (the "Trustee"), a copy of which has been
filed as an exhibit to the Registration Statement to which this Prospectus forms
a part. The Indenture is governed by the Trust Indenture Act of 1939, as amended
(the "Trust Indenture Act"). The following summaries of certain provisions of
the Indenture do not purport to be complete, and where reference is made to
particular provisions of the Indenture, such provisions, including the
definitions of certain terms, are incorporated by reference as a part of such
summaries or terms, which are qualified in their entirety by such reference. The
definitions of certain capitalized terms used in the following summary are set
forth below under "Certain Definitions".
 
GENERAL
 
    The Debentures will mature on August 15, 2009, will be limited to
$400,000,000 aggregate principal amount and represent unsecured obligations of
the Company. Each New Debenture will bear interest at the rate set forth on the
cover page hereof from August 26, 1997 or from the most recent interest payment
date to which interest has been paid, payable semi-annually on February 15 and
August 15 of each year, commencing February 15, 1998, to the person in whose
name the New Debenture (or any predecessor New Debenture) is registered at the
close of business on the January 31 and July 31 next preceding such interest
payment date.
 
    Principal of and interest on the New Debentures will be payable, and the New
Debentures will be exchangeable and transferable, at the office or agency of the
Company in The City of New York (which initially will be the corporate trust
office of the Trustee at 101 Barclay Street, 21st Floor, New York, New York
10286); PROVIDED, HOWEVER, that payment of interest may be made at the option of
the Company by check mailed to the person entitled thereto as shown on the
Debenture Register. The New Debentures will be issued only in fully registered
form without coupons, in denominations of $1,000 or any integral multiple
thereof. No service charge will be made for any registration of transfer or
exchange of Debentures, except for any tax or other governmental charge that may
be imposed in connection therewith.
 
    The Indenture does not contain any provisions that limit the ability of the
Company to incur indebtedness or that afford Holders of the Debentures
protection in the event of a highly leveraged or similar transaction involving
the Company, other than as described below under "Certain Covenants of the
Company--Limitation on Indebtedness".
 
SINKING FUND
 
    The Debentures will not be entitled to the benefits of a sinking fund.
 
RANKING
 
    The Old Debentures are, and the New Debentures will be, senior unsecured
obligations of Cablevision and will rank PARI PASSU in right of payment with all
existing and future unsubordinated indebtedness of Cablevision. All secured
indebtedness of Cablevision will have a prior claim with respect to the assets
securing such indebtedness. The liabilities, including trade payables, of
Cablevision's subsidiaries will have a prior claim with respect to the assets of
those subsidiaries. In that regard, certain of the subsidiaries in the Company's
Restricted Group have guaranteed the indebtedness of Cablevision under the
Credit Agreement, but are not guarantors of the Old Debentures and will not be
guarantors of the New Debentures. As of June 30, 1997, after giving effect to
the transactions described in the introductory paragraph to the table entitled
"Capitalization" and the application of the estimated net proceeds from the sale
of the Old Debentures, (i) Cablevision would have had $840.0 million outstanding
under the Credit Agreement, $1,048.2 million of subordinated and senior
subordinated indebtedness and obligations and $115,000 of capitalized leases;
(ii) subsidiaries in the Restricted Group would have had $657.4 million of
indebtedness and $5.2 million of capitalized leases, in addition to the
guarantees of Cablevision's
 
                                       29
<PAGE>
borrowings under the Credit Agreement; and (iii) subsidiaries in the
Unrestricted Group would have had $2,134.4 million of indebtedness and
capitalized leases. All of the indebtedness of subsidiaries in the Restricted
Group has been guaranteed by Cablevision ($151.0 million on a senior
subordinated basis and the balance on a senior basis) and $1,070.6 million of
the indebtedness of subsidiaries in the Unrestricted Group has been guaranteed
by Cablevision on a limited recourse basis with the guarantee limited to the
stock of the relevant subsidiary, which stock has been pledged to the lender to
secure the guarantee.
 
CERTAIN DEFINITIONS
 
    Set forth below is a summary of certain of the defined terms used in the
covenants and other provisions of the Indenture. Reference is made to the
Indenture for the full definition of all terms as well as any other capitalized
term used herein for which no definition is provided.
 
    "ACQUIRED INDEBTEDNESS"  means Indebtedness of a Person (a) existing at the
time such Person is merged with or into the Company or a subsidiary of the
Company or becomes a subsidiary of the Company or (b) assumed in connection with
the acquisition of assets from such Person.
 
    "AFFILIATE"  means, with respect to any specified Person, any other Person
directly or indirectly controlling or controlled by or under direct or indirect
common control with such specified Person. For the purposes of this definition,
control when used with respect to any specified Person means the power to direct
the management and policies of such Person, directly or indirectly, whether
through the ownership of voting securities, by contract or otherwise; and the
terms "controlling" and "controlled" have meanings correlative to the foregoing.
 
    "ANNUALIZED OPERATING CASH FLOW"  means, for any period of three complete
consecutive calendar months, an amount equal to Operating Cash Flow for such
period multiplied by four.
 
    "AVERAGE LIFE"  means, at any date of determination with respect to any debt
security, the quotient obtained by dividing (i) the sum of the products of (a)
the number of years from such date of determination to the dates of each
successive scheduled principal payment of such debt security and (b) the amount
of such principal payment by (ii) the sum of all such principal payments.
 
    "BANKS"  means the lenders from time to time under the Credit Agreement.
 
    "CAPITALIZED LEASE OBLIGATION"  means any obligation of a person to pay rent
or other amounts under a lease with respect to any property (whether real,
personal or mixed) acquired or leased by such Person and used in its business
that is required to be accounted for as a liability on the balance sheet of such
Person in accordance with U.S. generally accepted accounting principles ("GAAP")
and the amount of such Capitalized Lease Obligation shall be the amount so
required to be accounted for as a liability.
 
    "CASH FLOW RATIO"  means, as at any date, the ratio of (i) the sum of the
aggregate outstanding principal amount of all Indebtedness of the Company and
the Restricted Subsidiaries determined on a consolidated basis but excluding all
Interest Swap Obligations entered into by the Company or any Restricted
Subsidiary and one of the Banks outstanding on such date plus (but without
duplication of Indebtedness supported by Letters of Credit) the aggregate
undrawn face amount of all Letters of Credit outstanding on such date to (ii)
Annualized Operating Cash Flow determined as at the last day of the most recent
month for which financial information is available.
 
    "CONSOLIDATED NET TANGIBLE ASSETS"  of any Person means, as of any date, (a)
all amounts that would be shown as assets on a consolidated balance sheet of
such Person and its Restricted Subsidiaries prepared in accordance with GAAP,
less (b) the amount thereof constituting goodwill and other intangible assets as
calculated in accordance with GAAP.
 
                                       30
<PAGE>
    "CUMULATIVE CASH FLOW CREDIT"  means the sum of:
 
        (a) cumulative Operating Cash Flow during the period commencing on July
    1, 1988 and ending on the last day of the most recent month preceding the
    date of the proposed Restricted Payment for which financial information is
    available or, if cumulative Operating Cash Flow for such period is negative,
    minus the amount by which cumulative Operating Cash Flow is less than zero,
    plus
 
        (b) the aggregate net proceeds received by the Company from the issuance
    or sale (other than to a Restricted Subsidiary) of its capital stock (other
    than Disqualified Stock) on or after January 1, 1992, plus
 
        (c) the aggregate net proceeds received by the Company from the issuance
    or sale (other than to a Restricted Subsidiary) of its capital stock (other
    than Disqualified Stock) on or after January 1, 1992, upon the conversion
    of, or exchange for, Indebtedness of the Company or any Restricted
    Subsidiary or from the exercise of any options, warrants or other rights to
    acquire capital stock of the Company.
 
For purposes of this definition, the net proceeds in property other than cash
received by the Company as contemplated by clauses (b) and (c) above shall be
valued at the fair market value of such property (as determined by the Board of
Directors of the Company, whose good faith determination shall be conclusive) at
the date of receipt by the Company.
 
    "CUMULATIVE INTEREST EXPENSE"  means, for the period commencing on July 1,
1988 and ending on the last day of the most recent month preceding the proposed
Restricted Payment for which financial information is available, the aggregate
of the interest expense of the Company and its Restricted Subsidiaries for such
period, determined on a consolidated basis in accordance with GAAP, including
interest expense attributable to Capitalized Lease Obligations.
 
    "DEBT"  with respect to any Person means, without duplication, any
liability, whether or not contingent, (i) in respect of borrowed money or
evidenced by bonds, notes, debentures or similar instruments or letters of
credit (or reimbursement agreements with respect thereto), but excluding
reimbursement obligations under any surety bond, (ii) representing the balance
deferred and unpaid of the purchase price of any property (including pursuant to
Capitalized Lease Obligations), except any such balance that constitutes a trade
payable, (iii) under Interest Swap Agreements (as defined in the Credit
Agreement) entered into pursuant to the Credit Agreement, (iv) under any other
agreement related to the fixing of interest rates on any Indebtedness, such as
an interest swap, cap or collar agreement (if and to the extent any of the
foregoing would appear as a liability upon a balance sheet of such Person
prepared on a consolidated basis in accordance with GAAP) or (v) guarantees of
items of other Persons which would be included within this definition for such
other Persons (whether or not the guarantee would appear on such balance sheet).
"Debt" does not include (i) Disqualified Stock, (ii) any liability for federal,
state, local or other taxes owed or owing by such Person or (iii) any accounts
payable or other liability to trade creditors arising in the ordinary course of
business (including guarantees thereof or instruments evidencing such
liabilities).
 
    "DISQUALIFIED STOCK"  means any capital stock of the Company or any
Restricted Subsidiary which, by its terms (or by the terms of any security into
which it is convertible or for which it is exchangeable), or upon the happening
of any event, matures or is mandatorily redeemable, pursuant to a sinking fund
obligation or otherwise, or is redeemable at the option of the holder thereof,
in whole or in part, on or prior to the maturity date of the Debentures.
 
    "INDEBTEDNESS"  with respect to any Person, means the Debt of such Person;
PROVIDED, HOWEVER, that, with respect to the Company, the "Minimum Payment" or
the "Preferred Payment" (each, a "Cablevision of NYC Payment"), as defined in
and pursuant to the Purchase and Reorganization Agreement (the "Cablevision of
NYC Agreement"), dated as of December 20, 1991, between the Company and Charles
F. Dolan, as amended as of March 28, 1992 and as further amended from time to
time, payable by a subsidiary of the Company and guaranteed by the Company as a
result of the acquisition of Cablevision of
 
                                       31
<PAGE>
NYC (the "Cablevision of NYC Acquisition") shall not be deemed to be
"Indebtedness" so long as the Company and such subsidiary are permitted to make
such Cablevision of NYC Payment in one or more classes of the Company's capital
stock (other than Disqualified Stock) pursuant to the terms of the Cablevision
of NYC Agreement and the Company and the Restricted Subsidiaries are prohibited
from making such Cablevision of NYC Payment in cash, debt securities,
Disqualified Stock or any combination thereof, pursuant to the terms of any
mortgage, indenture, credit agreement or other instrument that secures or
evidences Indebtedness for money borrowed or guaranteed by the Company or a
Restricted Subsidiary in an aggregate amount of $10,000,000 or more; PROVIDED
that, for purposes of the definition of "Indebtedness" (including the term
"Debt" to the extent incorporated in such definition) and for purposes of the
definition of "Event of Default", the term "guarantee" shall not be interpreted
to extend to a guarantee under which recourse is limited to the capital stock of
an entity that is not a Restricted Subsidiary.
 
    "INTEREST SWAP OBLIGATIONS"  means, with respect to any Person, the
obligations of such Person pursuant to any arrangement with any other Person
whereby, directly or indirectly, such Person is entitled to receive from time to
time periodic payments calculated by applying either a floating or a fixed rate
of interest on a stated notional amount in exchange for periodic payments made
by such Person calculated by applying a fixed or a floating rate of interest on
the same notional amount.
 
    "INVESTMENT"  means any advance, loan, account receivable (other than an
account receivable arising in the ordinary course of business), or other
extension of credit (excluding, however, accrued and unpaid interest in respect
of any advance, loan or other extension of credit) or any capital contribution
to (by means of transfers of property to others, payments for property or
services for the account or use of others, or otherwise), any purchase or
ownership of any stock, bonds, notes, debentures or other securities (including,
without limitation, any interests in any partnership, joint venture or joint
adventure) of, or any bank accounts with or guarantee of any Indebtedness or
other obligations of, any Unrestricted Subsidiary or Affiliate that is not a
subsidiary of the Company, PROVIDED that (i) the term "Investment" shall not
include any transaction that would otherwise constitute an Investment of the
Company or a subsidiary of the Company to the extent that the consideration
provided by the Company or such subsidiary in connection therewith shall consist
of capital stock of the Company (other than Disqualified Stock) and (ii) the
term "guarantee" shall not be interpreted to extend to a guarantee under which
recourse is limited to the capital stock of an entity that is not a Restricted
Subsidiary.
 
    "LIEN"  means any lien, security interest, charge or encumbrance of any kind
(including any conditional sale or other title retention agreement, any lease in
the nature of a security interest and any agreement to give any security
interest). A Person shall be deemed to own subject to a Lien any property which
such Person has acquired or holds subject to the interest of a vendor or lessor
under a conditional sale agreement, capital lease or other title retention
agreement.
 
    "MANDATORILY REDEEMABLE PREFERRED STOCK"  means the Company's Series H
Redeemable Exchangeable Preferred Stock, Series M Redeemable Exchangeable
Preferred Stock and any series of preferred stock of the Company issued in
exchange for, or the proceeds of which are used to repurchase, redeem, defease
or otherwise acquire, all or any portion of the Series H Redeemable Exchangeable
Preferred Stock, Series M Redeemable Exchangeable Preferred Stock or any other
Mandatorily Redeemable Preferred Stock.
 
    "OPERATING CASH FLOW"  means, for any period, the sum of the following for
the Company and the Restricted Subsidiaries for such period, determined on a
consolidated basis in accordance with GAAP (except for the amortization of
deferred installation income which shall be excluded from the calculation of
Operating Cash Flow for all purposes of the Indenture): (i) aggregate operating
revenues minus (ii) aggregate operating expenses (including technical,
programming, sales, selling, general and administrative expenses and salaries
and other compensation, net of amounts allocated to Affiliates, paid to any
general partner, director, officer or employee of the Company or any Restricted
Subsidiary, but excluding
 
                                       32
<PAGE>
interest, depreciation and amortization and the amount of non-cash compensation
in respect of the Company's employee incentive stock programs for such period
(not to exceed in the aggregate for any calendar year 7% of the Operating Cash
Flow for the previous calendar year) and, to the extent otherwise included in
operating expenses, any losses resulting from a write-off or write-down of
Investments by the Company or any Restricted Subsidiary in Affiliates). For
purposes of determining Operating Cash Flow, there shall be excluded all
management fees until actually paid to the Company or any Restricted Subsidiary
in cash.
 
    "PERMITTED LIENS"  means the following types of, Liens:
 
        (a) Liens existing on the date of the Indenture;
 
        (b) Liens on shares of the capital stock of an entity that is not a
    Restricted Subsidiary, which Liens solely secure a guarantee by the Company
    or a Restricted Subsidiary, or both, of Indebtedness of such entity;
 
        (c) Liens on Receivables and Related Assets (and proceeds thereof)
    securing only Indebtedness otherwise permitted to be incurred by a
    Securitization Subsidiary;
 
        (d) Liens on shares of the capital stock of a subsidiary of the Company
    securing Indebtedness under the Credit Agreement or any renewal of or
    replacement of the Credit Agreement;
 
        (e) Liens granted in favor of the Company or any Restricted Subsidiary;
 
        (f) Liens securing the Debentures;
 
        (g) Liens securing Acquired Indebtedness created prior to (and not in
    connection with or in contemplation of) the incurrence of such Indebtedness
    by the Company or a Restricted Subsidiary; PROVIDED that such Lien does not
    extend to any property or assets of the Company or any Restricted Subsidiary
    other than the assets acquired in connection with the incurrence of such
    Acquired Indebtedness;
 
        (h) Liens securing Interest Swap Obligations or "margin stock", as
    defined in Regulations G and U of the Board of Governors of the Federal
    Reserve System;
 
        (i)  statutory Liens of landlords and carriers, warehousemen, mechanics,
    suppliers, materialmen, repairmen or other like Liens arising in the
    ordinary course of business of the Company or any Restricted Subsidiary and
    with respect to amounts not yet delinquent or being contested in good faith
    by appropriate proceedings;
 
        (j) Liens for taxes, assessments, government charges or claims not yet
    due or that are being contested in good faith by appropriate proceedings;
 
        (k) zoning restrictions, easements, rights-of-way, restrictions and
    other similar charges or encumbrances or minor defects in title not
    interfering in any material respect with the business of the Company or any
    of its Restricted Subsidiaries;
 
        (l) Liens arising by reason of any judgment, decree or order of any
    court, arbitral tribunal or similar entity so long as any appropriate legal
    proceedings that may have been initiated for the review of such judgment,
    decree or order shall not have been finally terminated or the period within
    which such proceedings may be initiated shall not have expired;
 
        (m) Liens incurred or deposits made in the ordinary course of business
    in connection with workers' compensation, unemployment insurance and other
    types of social security or similar legislation;
 
        (n) Liens securing the performance of bids, tenders, leases, contracts,
    franchises, public or statutory obligations, surety, stay or appeal bonds,
    or other similar obligations arising in the ordinary course of business;
 
                                       33
<PAGE>
        (o) Leases under which the Company or any Restricted Subsidiary is the
    lessee or the lessor;
 
        (p) purchase money mortgages or other purchase money liens (including
    without limitation any Capital Lease Obligations) upon any fixed or capital
    assets acquired after the date of the Indenture, or purchase money mortgages
    (including without limitation Capitalized Lease Obligations) on any such
    assets hereafter acquired or existing at the time of acquisition of such
    assets, whether or not assumed, so long as (i) such mortgage or lien does
    not extend to or cover any other asset of the Company or any Restricted
    Subsidiary and (ii) such mortgage or lien secures the obligation to pay the
    purchase price of such asset, interest thereon and other charges incurred in
    connection therewith (or the obligation under such Capitalized Lease
    Obligation) only;
 
        (q) Liens securing reimbursement obligations with respect to commercial
    letters of credit which encumber documents and other property relating to
    such letters of credit and products and proceeds thereof;
 
        (r) Liens encumbering deposits made to secure obligations arising from
    statutory, regulatory, contractual, or warranty requirements of the Company
    or any of its Restricted Subsidiaries, including rights of offset and
    set-off;
 
        (s) Liens to secure other Indebtedness; PROVIDED, HOWEVER, that the
    principal amount of any Indebtedness secured by such Liens, together with
    the principal amount of any Indebtedness refinancing any Indebtedness
    incurred under this clause (s) as permitted by clause (t) below (and
    successive refinancings thereof), may not exceed 15% of the Company's
    Consolidated Net Tangible Assets as of the last day of the Company's most
    recently completed fiscal year for which financial information is available;
    and
 
        (t) any extension, renewal or replacement, in whole or in part, of any
    Lien described in the foregoing clauses (a) through (s); PROVIDED that any
    such extension, renewal or replacement shall be no more restrictive in any
    material respect than the Lien so extended, renewed or replaced and shall
    not extend to any additional property or assets.
 
    "RECEIVABLES AND RELATED ASSETS"  means (i) accounts receivable,
instruments, chattel paper, obligations, general intangibles, equipment and
other similar assets, including interests in merchandise or goods, the sale or
lease of which gives rise to the foregoing, related contractual rights,
guarantees, insurance proceeds, collections and other related assets, (ii)
equipment, (iii) inventory and (iv) proceeds of all of the foregoing.
 
    "REFINANCING INDEBTEDNESS"  means Indebtedness of the Company incurred to
redeem, repurchase, defease or otherwise acquire or retire for value other
Indebtedness that is subordinate in right of payment to the Debentures, so long
as any such new Indebtedness (i) is made subordinate to the Debentures at least
to the same extent as the Indebtedness being refinanced and (ii) does not have
(x) an Average Life less than the Average Life of the Indebtedness being
refinanced, (y) a final scheduled maturity earlier than the final scheduled
maturity of the Indebtedness being refinanced or (z) permit redemption at the
option of the holder earlier than the earlier of (A) the final scheduled
maturity of the Indebtedness being refinanced or (B) any date of redemption at
the option of the holder of the Indebtedness being refinanced.
 
    "RESTRICTED PAYMENT"  means
 
        (a) any Stock Payment by the Company or a Restricted Subsidiary;
 
        (b) any direct or indirect payment to redeem, purchase, defease or
    otherwise acquire or retire for value, or permit any Restricted Subsidiary
    to redeem, purchase, defease or otherwise acquire or retire for value, prior
    to any scheduled maturity, scheduled repayment or scheduled sinking fund
    payment, any Indebtedness of the Company that is subordinate in right of
    payment to the Debentures; PROVIDED, HOWEVER, that any direct or indirect
    payment to redeem, purchase, defease or otherwise acquire or retire for
    value, or permit any Restricted Subsidiary to redeem, repurchase, defease or
 
                                       34
<PAGE>
    otherwise acquire or retire for value, prior to any scheduled maturity,
    scheduled repayment or scheduled sinking fund payment, any Indebtedness that
    is subordinate in right of payment to the Debentures shall not be a
    Restricted Payment if either (i) after giving effect thereto, the ratio of
    the Senior Indebtedness of the Company and the Restricted Subsidiaries to
    Annualized Operating Cash Flow determined as of the last day of the most
    recent month for which financial information is available is less than or
    equal to 5 to 1 or (ii) such subordinate Indebtedness is redeemed,
    purchased, defeased or otherwise acquired or retired in exchange for, or out
    of, (x) the proceeds of a sale (within one year before or 180 days after
    such redemption, purchase, defeasance, acquisition or retirement) of
    Refinancing Indebtedness or capital stock of the Company or warrants, rights
    or options to acquire capital stock of the Company or (y) any source of
    funds other than the incurrence of Indebtedness; or
 
        (c) any direct or indirect payment to redeem, purchase, defease or
    otherwise acquire or retire for value any Disqualified Stock at its
    mandatory redemption date or other maturity date if and to the extent that
    Indebtedness is incurred to finance such redemption, purchase, defeasance or
    other acquisition or retirement; PROVIDED, HOWEVER, that the redemption,
    purchase, defeasance or other acquisition or retirement of Mandatorily
    Redeemable Preferred Stock at its mandatory redemption or other maturity
    date shall not be a Restricted Payment if and to the extent any Indebtedness
    incurred to finance all or a portion of the purchase or redemption price
    does not have a final scheduled maturity date, or permit redemption at the
    option of the holder thereof, earlier than the final scheduled maturity of
    the Debentures.
 
Notwithstanding the foregoing, Restricted Payments shall not include (x)
payments by any Restricted Subsidiary to the Company or any other Restricted
Subsidiary or (y) any Investment or designation of a Restricted Subsidiary as an
Unrestricted Subsidiary permitted under the "Limitation on Investments in
Unrestricted Subsidiaries and Affiliates" covenant.
 
    "RESTRICTED SUBSIDIARY"  means any subsidiary of the Company, whether
existing on the date of the Indenture or created subsequent thereto, designated
from time to time by the Company as a "RESTRICTED SUBSIDIARY"; PROVIDED,
HOWEVER, that no subsidiary that is not a Securitization Subsidiary can be or
remain so designated unless (i) at least 67% of each of the total equity
interest and the voting control of such subsidiary is owned, directly or
indirectly, by the Company or another Restricted Subsidiary and (ii) such
subsidiary is not restricted, pursuant to the terms of any loan agreement, note,
indenture or other evidence of indebtedness, from (a) paying dividends or making
any distribution on such subsidiary's capital stock or other equity securities
or paying any Indebtedness owed to the Company or to any Restricted Subsidiary,
(b) making any loans or advances to the Company or any Restricted Subsidiary or
(c) transferring any of its properties or assets to the Company or any
Restricted Subsidiary (it being understood that a financial covenant any of the
components of which are directly impacted by the taking of the action (e.g., the
payment of a dividend) itself (such as a minimum net worth test) would be deemed
to be a restriction on the foregoing actions, while a financial covenant none of
the components of which is directly impacted by the taking of the action (e.g.,
the payment of a dividend) itself (such as a debt to cash flow test) would not
be deemed to be a restriction on the foregoing actions); and PROVIDED, FURTHER,
that the Company may, from time to time, redesignate any Restricted Subsidiary
as an Unrestricted Subsidiary in accordance with the provisions of the
"Limitation on Investments in Unrestricted Subsidiaries and Affiliates"
covenant.
 
    "SECURITIZATION SUBSIDIARY"  means a Restricted Subsidiary that is
established for the limited purpose of acquiring and financing Receivables and
Related Assets and engaging in activities ancillary thereto; PROVIDED that (i)
no portion of the Indebtedness of a Securitization Subsidiary is guaranteed by
or is recourse to the Company or any other Restricted Subsidiary (other than
recourse for customary representations, warranties, covenants and indemnities,
none of which shall relate to the collectibility of the Receivables and Related
Assets) and (ii) none of the Company or any other Restricted Subsidiary has any
obligation to maintain or preserve such Securitization Subsidiary's financial
condition.
 
                                       35
<PAGE>
    "SENIOR INDEBTEDNESS"  means, with respect to any Person, all principal of
(premium, if any) and interest (including interest accruing on or after the
filing of any petition in bankruptcy or for reorganization relating to such
Person whether or not a claim for post filing interest is allowed in such
proceedings) with respect to all Indebtedness of such Person; PROVIDED that
Senior Indebtedness shall not include (i) any Indebtedness of such Person that,
by its terms or the terms of the instrument creating or evidencing such
Indebtedness, is expressly subordinate in right of payment to the Debentures,
(ii) any guarantee of Indebtedness of any subsidiary of such Person if recourse
against such guarantee is limited to the capital stock or other equity interests
of such subsidiary, (iii) any obligation of such Person to any subsidiary of
such Person or, in the case of a Restricted Subsidiary, to the Company or any
other subsidiary of such Person or, in the case of a Restricted Subsidiary, to
the Company or any other subsidiary of the Company or (iv) any Indebtedness of
such Person (and any accrued and unpaid interest in respect thereof) which is
subordinate or junior in any respect to any other Indebtedness or other
obligation of such Person.
 
    "STOCK PAYMENT"  means, with respect to any Person, the payment or
declaration of any dividend, either in cash or in property (except dividends
payable in common stock or common shares of capital stock of such Person), or
the making by such Person of any other distribution, on account of any shares of
any class of its capital stock, now or hereafter outstanding, or the redemption,
purchase, retirement or other acquisition for value by such Person, directly or
indirectly, of any shares of any class of its capital stock, now or hereafter
outstanding, other than the redemption, purchase, defeasance or other
acquisition or retirement for value of any Disqualified Stock at its mandatory
redemption date or other maturity date.
 
    "UNRESTRICTED SUBSIDIARY"  means any subsidiary of the Company which is not
a Restricted Subsidiary.
 
CERTAIN COVENANTS OF THE COMPANY
 
    The Indenture contains, among others, the following covenants:
 
    LIMITATION ON INDEBTEDNESS.  The Indenture provides that the Company shall
not, and shall not permit any Restricted Subsidiary to, directly or indirectly
incur, create, issue, assume, guarantee or otherwise become liable for,
contingently or otherwise, or become responsible for the payment of,
contingently or otherwise, any Indebtedness (other than Indebtedness between or
among any of the Company and Restricted Subsidiaries) unless, after giving
effect thereto, the Cash Flow Ratio shall be less than or equal to 9 to 1.
 
    At June 30, 1997, such Cash Flow Ratio was approximately 5.9 to 1.
 
    LIMITATION ON RESTRICTED PAYMENTS.  The Indenture provides that the Company
shall not, and shall not permit any Restricted Subsidiary to, make any
Restricted Payment if (a) at the time of such proposed Restricted Payment, a
Default or Event of Default shall have occurred and be continuing or shall occur
as a consequence of such Restricted Payment or (b) immediately after giving
effect to such Restricted Payment, the aggregate of all Restricted Payments that
shall have been made on or after July 1, 1988 would exceed the sum of:
 
        (i) $25,000,000, plus
 
        (ii) an amount equal to the difference between (A) the Cumulative Cash
    Flow Credit and (B) 1.2 multiplied by Cumulative Interest Expense.
 
    For purposes of the "Limitation on Restricted Payments" covenant, the amount
of any Restricted Payment, if other than cash, shall be based upon fair market
value as determined by the Board of Directors of the Company, whose good faith
determination shall be conclusive.
 
    The foregoing provisions do not prevent: (i) the payment of any dividend
within 60 days after the date of declaration thereof, if at such date of
declaration such payment complied with the above provisions; (ii) the
retirement, redemption, purchase, defeasance or other acquisition of any shares
of the Company's capital stock or warrants, rights or options to acquire capital
stock of the Company, in exchange for, or out
 
                                       36
<PAGE>
of the proceeds of a sale (within one year before or 180 days after such
retirement, redemption, purchase or other acquisition) of, other shares of the
Company's capital stock or warrants, rights or options to acquire capital stock
of the Company; and (iii) the redemption of, or payments of cash dividends on,
the Company's 8% Series C Cumulative Preferred Stock (the "Series C Preferred
Stock") outstanding on January 1, 1997, which redemptions or dividends are
provided for by the terms of the Series C Preferred Stock in effect on such date
(or the redemption of or payment of cash dividends on any security of the
Company issued in exchange for or upon the conversion of such Series C Preferred
Stock; PROVIDED that the aggregate amount payable pursuant to the terms of such
security is no greater than the aggregate amount payable pursuant to the terms
of the Series C Preferred Stock). For purposes of determining the aggregate
permissible amount of Restricted Payments in accordance with clause (b) of the
first paragraph of this covenant, all amounts expended pursuant to clauses (i)
and (iii) of this paragraph shall be included and all amounts expended or
received pursuant to clause (ii) of this paragraph shall be excluded; PROVIDED,
HOWEVER, that amounts paid pursuant to clause (i) of this paragraph shall be
included only to the extent that such amounts were not previously included in
calculating Restricted Payments.
 
    For the purposes of the foregoing provisions, the net proceeds from the
issuance of shares of capital stock of the Company upon conversion of
Indebtedness shall be deemed to be an amount equal to (i) the accreted value of
such Indebtedness on the date of such conversion and (ii) the additional
consideration, if any, received by the Company upon such conversion thereof,
less any cash payment on account of fractional shares (such consideration, if in
property other than cash, to be determined by the Board of Directors of the
Company, whose good faith determination shall be conclusive). If the Company
makes a Restricted Payment which, at the time of the making of such Restricted
Payment, would in the good faith determination of the Company be permitted under
the requirements of this covenant, such Restricted Payment shall be deemed to
have been made in compliance with this covenant notwithstanding any subsequent
adjustments made in good faith to the Company's financial statements affecting
Cumulative Cash Flow Credit or Cumulative Interest Expense for any period.
 
    LIMITATION ON INVESTMENTS IN UNRESTRICTED SUBSIDIARIES AND AFFILIATES.  The
Indenture provides that the Company shall not, and shall not permit any
Restricted Subsidiary to, directly or indirectly, (i) make any Investment or
(ii) allow any Restricted Subsidiary to become an Unrestricted Subsidiary (a
"redesignation of a Restricted Subsidiary"), in each case unless (a) no Default
or Event of Default shall have occurred and be continuing or shall occur as a
consequence of such Investment or such redesignation of a Restricted Subsidiary,
and (b) after giving effect thereto, the Cash Flow Ratio shall be less than or
equal to 9 to 1.
 
    The foregoing provisions of this covenant shall not prohibit (i) any renewal
or reclassification of any Investment existing on the date hereof or (ii) trade
credit extended on usual and customary terms in the ordinary course of business.
 
    TRANSACTIONS WITH AFFILIATES.  The Indenture provides that the Company shall
not, and shall not permit any of its subsidiaries to, sell, lease, transfer or
otherwise dispose of any of its properties or assets to or purchase any property
or assets from, or enter into any contract, agreement, understanding, loan,
advance or guarantee with, or for the benefit of, an Affiliate of the Company
that is not a subsidiary of the Company, having a value, or for consideration
having a value, in excess of $10,000,000 individually or in the aggregate unless
the Board of Directors of the Company shall make a good faith determination that
the terms of such transaction are, taken as a whole, no less favorable to the
Company or such subsidiary, as the case may be, than those which might be
available in a comparable transaction with an unrelated Person. For purposes of
clarification, this provision shall not apply to Restricted Payments permitted
under "Limitation on Restricted Payments."
 
    LIMITATION ON LIENS.  The Indenture provides that the Company shall not, and
shall not permit any Restricted Subsidiary to, directly or indirectly, create,
incur, assume or suffer to exist any Lien of any kind, except for Permitted
Liens, on or with respect to any of its property or assets, whether owned at the
date of the Indenture or thereafter acquired, or any income, profits or proceeds
therefrom, or assign or otherwise
 
                                       37
<PAGE>
convey any right to receive income thereon, unless (x) in the case of any Lien
securing Indebtedness that is subordinated in right of payment to the
Debentures, the Debentures are secured by a Lien on such property, assets or
proceeds that is senior in priority to such Lien and (y) in the case of any
other Lien, the Debentures are equally and ratably secured.
 
EVENTS OF DEFAULT
 
    The following are Events of Default under the Indenture: (a) default for 30
days in payment of interest on the Debentures; (b) default in payment of
principal, of the Debentures at maturity, upon acceleration or otherwise; (c)
failure to comply with any other covenant or agreement of the Company, continued
for 60 days (or, with respect to certain covenants or agreements, 30 days) after
written notice as provided in the Indenture; (d) default or defaults under any
mortgage, indenture or instrument which secures or evidences any Indebtedness
for money borrowed or guaranteed by the Company or a Restricted Subsidiary in
any aggregate amount of $10,000,000 or more (but excluding any Indebtedness for
the deferred purchase price of property or services owed to the Person providing
such property or services as to which the Company or such Restricted Subsidiary
is contesting its obligation to pay the same in good faith and by proper
proceedings and for which the Company or such Restricted Subsidiary has
established appropriate reserves) which result from the failure to pay such
Indebtedness at final maturity or which has resulted in the acceleration of such
Indebtedness; (e) the entry of a final judgment or final judgments for the
payment of money by a court or courts of competent jurisdiction against the
Company or any Restricted Subsidiary in an aggregate amount exceeding
$10,000,000, which remain undischarged and unbonded for a period (during which
execution shall not be effectively stayed) of 60 days or as to which an
enforcement proceeding has been commenced by any creditor; and (f) certain
events of bankruptcy, insolvency or reorganization.
 
    If an Event of Default (other than as specified in (f) above) shall occur
and be continuing under the Indenture, either the Trustee or the Holders of not
less than 25% in aggregate principal amount of the outstanding New Debentures
and Old Debentures, voting together as a single class, by written notice to the
Company (and to the Trustee if such notice is given by the Holders), may declare
all the unpaid principal of and interest on the Debentures to be due and payable
as provided in the Indenture. Upon a declaration of acceleration, such principal
and accrued interest shall be due and payable ten days after receipt by the
Company of such written notice. No action on the part of the Trustee or any
Holder of the Debentures is required for such acceleration if an Event of
Default specified in (f) above shall occur and be continuing. The Holders of at
least a majority in principal amount of the New Debentures and Old Debentures,
voting together as a single class, then outstanding may rescind an acceleration
and its consequences if (i) all existing Events of Default, other than the
non-payment of principal of or interest on the Debentures which have become due
solely because of the acceleration, have been cured or waived and (ii) the
rescission would not conflict with any judgment or decree of a court of
competent jurisdiction. A declaration of acceleration because of an Event of
Default specified in clause (d) of the preceding paragraph would be
automatically annulled if the Indebtedness referred to therein were discharged,
or the Holders thereof rescinded their declaration of acceleration referred to
therein, within 30 days after the acceleration of the Debentures and no other
Event of Default had occurred and not been cured or waived during such period.
The Holders of a majority in principal amount of New Debentures and Old
Debentures, voting together as a single class, outstanding also have the right
to waive certain past defaults under the Indenture.
 
    No Holder of any Debenture issued under the Indenture has any right to
institute any proceeding with respect to the Debentures, such Indenture or for
any remedy thereunder, unless (i) such Holder has previously given to the
Trustee written notice of a continuing Event of Default under the Indenture,
(ii) the Holders of at least 25% in principal amount of the outstanding New
Debentures and Old Debentures, voting together as a single class, issued under
the Indenture have made written request and offered reasonable indemnity to the
Trustee to institute such proceeding as Trustee under the Indenture, and (iii)
the Trustee has not received from the Holders of a majority in principal amount
of the outstanding New Debentures and Old Debentures, voting together as a
single class, a direction inconsistent with such
 
                                       38
<PAGE>
request and the Trustee has failed to institute such proceeding within 60 days
after receipt of such notice. Such limitations do not apply, however, to a suit
instituted by a Holder of a Debenture for the enforcement of payment of the
principal of or interest on such Debenture on or after the respective due dates
expressed in such Debenture.
 
    During the existence of an Event of Default, the Trustee is required to
exercise such rights and powers vested in it under the Indenture and use the
same degree of care and skill in its exercise thereof as a prudent person would
exercise under the circumstances in the conduct of such person's own affairs.
Subject to the provisions of the Indenture relating to the duties of the
Trustee, in case an Event of Default shall occur and be continuing, the Trustee
is not under any obligation to exercise any of its rights or powers under the
Indenture at the request or direction of any of the Holders unless such Holders
shall have offered to the Trustee reasonable security or indemnity. Subject to
such provisions for the indemnification of the Trustee, the Holders of a
majority in principal amount of the outstanding New Debentures and Old
Debentures, voting together as a single class, have the right to direct the
time, method and place of conducting any proceeding for any remedy available to
the Trustee, or exercising any trust or power conferred on the Trustee under the
Indenture.
 
    The Company is required to furnish to the Trustee an annual statement as to
the performance by the Company of its obligations under the Indenture and as to
any default in such performance.
 
SATISFACTION AND DISCHARGE OF THE INDENTURE AND THE DEBENTURES
 
    The Indenture will cease to be of further effect (except as to surviving
rights of registration of transfer or exchange of Debentures, as expressly
provided for in the Indenture) as to all outstanding Debentures when either (i)
all such Debentures theretofore authenticated and delivered (except lost, stolen
or destroyed Debentures which have been replaced or paid) have been delivered to
the Trustee for cancellation and the Company has paid all sums payable by it
under the Indenture or (ii) all such Debentures not theretofore delivered to the
Trustee for cancellation (a) have become due and payable, or (b) will become due
and payable within one year, and the Company has irrevocably deposited or caused
to be deposited with the Trustee funds in an amount sufficient to pay the entire
indebtedness on such Debentures not theretofore delivered to the Trustee for
cancellation, for principal and interest to the date of deposit (if such
Debentures are then due and payable) or to the applicable maturity date, and the
Company has paid all other sums payable by it under the Indenture.
 
MODIFICATION AND WAIVER
 
    Modifications and amendments of the Indenture or the Debentures may be made
by the Company and the Trustee with the consent of the Holders of not less than
a majority in aggregate principal amount of the outstanding New Debentures and
Old Debentures, voting together as a single class; PROVIDED, HOWEVER, that no
such modification or amendment may, without the consent of the Holder of each
outstanding New Debenture and Old Debenture, (i) change the stated maturity of
the principal of, or any installment of interest on, any Debentures, (ii) reduce
the principal amount of or interest on, the Debentures, (iii) change the coin or
currency in which any Debenture or the interest thereon is payable, (iv) impair
the right to institute suit for the enforcement of any payment on or with
respect to the Debentures after the stated maturity, (v) reduce the percentage
in principal amount of outstanding Debentures necessary to waive compliance with
certain provisions of the Indenture or to waive certain defaults, or (vi) modify
any of the provisions relating to supplemental indentures requiring the consent
of Holders or relating to the waiver of past defaults, except to increase the
percentage of outstanding Debentures required for such actions or to provide
that certain other provisions of the Indenture cannot be modified or waived
without the consent of the Holder of each New Debenture and Old Debenture
affected thereby.
 
                                       39
<PAGE>
    The Holders of a majority in aggregate principal amount of the New
Debentures and Old Debentures, voting together as a single class, then
outstanding may waive compliance with certain restrictive covenants and
provisions of the Indenture.
 
CONSOLIDATION, MERGER AND SALE OF ASSETS
 
    The Company may not consolidate or merge with or into, or sell, assign,
transfer, lease, convey or otherwise dispose of all or substantially all of its
assets to, any Person, unless: (i) the Person formed by or surviving any such
consolidation or merger (if other than the Company) or to which such sale,
assignment, transfer, lease, conveyance or disposition shall have been made
shall be a corporation organized and existing under the laws of the United
States, any State thereof or the District of Columbia, and shall assume by a
supplemental indenture all the obligations of the Company under the Debentures
and the Indenture; (ii) immediately before and immediately after such
transaction, after giving effect thereto, no Default or Event of Default shall
have occurred and be continuing; and (iii) immediately after such transaction,
and after giving effect thereto, the Person formed by or surviving any such
consolidation or merger, or to which such sale, assignment, transfer, lease or
conveyance or disposition shall have been made, shall have a Cash Flow Ratio not
in excess of 9 to 1.
 
DEFEASANCE
 
    The Company at any time may terminate all of its obligations with respect to
the Debentures ("defeasance"), except for certain obligations, including those
regarding the Defeasance Trust (as defined below) and obligations to register
the transfer or exchange of the Debentures, to replace mutilated, destroyed,
lost or stolen Debentures and to maintain agencies in respect of the Debentures.
The Company may also at any time terminate its obligations under the covenants
set forth in the Indenture, which are described under "Certain Covenants of the
Company" above, and any omission to comply with such obligations shall not
constitute a Default or an Event of Default with respect to the Debentures
("covenant defeasance").
 
    In order to exercise either defeasance or covenant defeasance, (i) the
Company must irrevocably deposit in trust, for the benefit of the Holders, with
the Trustee money or U.S. government obligations, or a combination thereof, in
such amounts as will be sufficient to pay the principal of and interest on the
Debentures to redemption or maturity (the "Defeasance Trust"), (ii) the Company
must deliver opinions of counsel to the effect that such Holders will not
recognize income, gain or loss for federal income tax purposes as a result of
such defeasance or covenant defeasance and will be subject to federal income tax
on the same amounts, in the same manner and at the same times as would have been
the case if such defeasance or covenant defeasance had not occurred (in the case
of defeasance, such opinion must refer to and be based upon a ruling of the
Internal Revenue Service or a change in applicable federal income tax laws), and
(iii) the Company must comply with certain other conditions.
 
GOVERNING LAW
 
    The Indenture and the Old Debentures are, and the New Debentures will be,
governed by, and construed in accordance with, the laws of the State of New
York.
 
REGARDING THE TRUSTEE
 
    BONY is the Trustee under the Indenture and the indentures relating to the
Company's existing senior subordinated indebtedness. BONY is a party to certain
credit agreements with the Company and its subsidiaries, including the Credit
Agreement, and is the Exchange Agent for the Exchange Offer. BONY may also
maintain other banking arrangements with the Company in the ordinary course of
business.
 
                                       40
<PAGE>
BOOK-ENTRY DELIVERY AND FORM
 
    The certificates representing the Old Debentures are, and for the New
Debentures will be, issued in fully registered form, without coupons. The Old
Debentures are, and the New Debentures will be, deposited with, or on behalf of,
DTC, and registered in the name of Cede & Co., as DTC's nominee in the form of
global Debenture certificates (the "Global Certificates").
 
REGISTRATION RIGHTS AGREEMENT
 
    The Company is party to the Registration Rights Agreement with Bear, Stearns
& Co. Inc., Merrill Lynch, Pierce, Fenner & Smith Incorporated and Morgan
Stanley & Co. Incorporated, as the initial purchasers of the Old Debentures,
pursuant to which the Company has agreed, for the benefit of the holders of the
Old Debentures, to use its reasonable best efforts, at its cost, to file and
cause to become effective a registration statement with respect to the Exchange
Offer to exchange the Old Debentures for the New Debentures. Upon such
registration statement being declared effective, the Company has agreed to offer
the New Debentures in return for surrender of the Old Debentures. For each Old
Debenture surrendered to the Company under the Exchange Offer, the holder will
receive a New Debenture of equal principal amount. In the event that applicable
interpretations of the staff of the Commission do not permit the Company to
effect the Exchange Offer or under certain other circumstances, the Company has
agreed, at its cost, to use its reasonable best efforts to cause to become
effective the Shelf Registration Statement with respect to resales of the Old
Debentures and to keep such registration statement effective until August 26,
1999. The Company shall, in the event of such a shelf registration, provide to
each holder copies of the prospectus, notify each holder when the Shelf
Registration Statement for the Old Debentures has become effective and take
certain other actions as are required to permit resales of the Old Debentures.
 
    In the event an Exchange Offer is not consummated or a Shelf Registration
Statement is not declared effective on or prior to April 26, 1998, then the
annual interest rate borne by the Old Debentures will be increased to 8 3/8%.
Thereafter, at the end of each 90-day period during which such Exchange Offer is
not consummated or such Shelf Registration Statement is not declared effective,
the annual interest rate borne by the Old Debentures will be increased by an
additional 0.25%. Upon consummation of such Exchange Offer or the effectiveness
of such Shelf Registration Statement, the interest rate borne by the Old
Debentures will revert to 8 1/8%.
 
    In the event an Exchange Offer is consummated, the Company will not be
required under the Registration Rights Agreement to file the Shelf Registration
Statement to register any outstanding Old Debentures, and the interest rate on
such Old Debentures will remain at its initial level of 8 1/8%. The Exchange
Offer will be deemed to have been consummated upon the earlier to occur of (i)
the Company having exchanged New Debentures for all outstanding Old Debentures
(other than Old Debentures held by a Restricted Holder) pursuant to the Exchange
Offer and (ii) the Company having exchanged, pursuant to the Exchange Offer, New
Debentures for all Old Debentures that have been tendered and not withdrawn on
the date that is 30 days following the commencement of such Exchange Offer. In
such event, holders of Old Debentures seeking liquidity in their investment
would have to rely on exemptions to registration requirements under the
securities laws, including the Securities Act. See "Risk Factors."
 
    The summary herein of certain provisions of the Registration Rights
Agreement does not purport to be complete and is subject to, and is qualified in
its entirety by reference to, all the provisions of the Registration Rights
Agreement.
 
                    CERTAIN FEDERAL INCOME TAX CONSEQUENCES
 
    The following is a summary of certain United States federal income tax
consequences applicable to the exchange of Old Debentures for New Debentures
pursuant to the Exchange Offer (the "Exchange") and the ownership and
disposition of New Debentures. This summary deals only with New Debentures held
as capital assets by holders who purchased Old Debentures at 100% of their
principal amount, and
 
                                       41
<PAGE>
not with special classes of holders, such as dealers in securities or
currencies, banks, tax-exempt organizations, life insurance companies, persons
that hold New Debentures as a hedge (or hedged against) currency or interest
rate risks or that are part of a straddle or conversion transaction, or persons
whose functional currency is not the U.S. dollar. Investors who purchased the
Old Debentures at a price other than 100% of their principal amount should
consult their tax advisor as to the possible applicability to them of the
amortizable bond premium or market discount rules. This summary is based on the
Internal Revenue Code of 1986, as amended (the "Code"), its legislative history,
existing and proposed regulations thereunder, published rulings and court
decisions, all as currently in effect and all subject to change at any time,
perhaps with retroactive effect.
 
    HOLDERS OF OLD DEBENTURES SHOULD CONSULT THEIR OWN TAX ADVISORS CONCERNING
THE CONSEQUENCES, IN THEIR PARTICULAR CIRCUMSTANCES, UNDER THE CODE AND THE LAWS
OF ANY OTHER TAXING JURISDICTION, OF THE EXCHANGE AND OWNERSHIP OF NEW
DEBENTURES.
 
EXCHANGE OFFER
 
    For United States federal income tax purposes, the Exchange will be
disregarded and each New Debenture will be treated as a continuation of the
corresponding Old Debenture. Accordingly, holders will not recognize gain or
loss upon the Exchange.
 
UNITED STATES HOLDERS
 
    PAYMENTS OF INTEREST.  Interest on a New Debenture will be taxable to a
United States Holder (as defined below), as ordinary income at the time it is
received or accrued, depending on the United States Holder's method of
accounting for tax purposes. A "United States Holder" is a beneficial owner that
is (i) a citizen or resident of the United States, (ii) a domestic corporation,
(iii) an estate the income of which is subject to United States federal income
tax without regard to its source or (iv) a trust if a United States court is
able to exercise primary supervision over administration of the trust and one or
more United States fiduciaries have authority to control all substantial
decisions of the trust.
 
    PURCHASE, SALE, RETIREMENT AND OTHER DISPOSITION OF NEW DEBENTURES.  A
United States Holder's tax basis in the New Debenture generally will be its cost
of its Old Debenture. Upon the sale, retirement or other disposition of a New
Debenture, a United States Holder will generally recognize gain or loss equal to
the difference between the amount realized (not including any amounts
attributable to accrued and unpaid interest) and the United States Holder's tax
basis in the New Debenture. Such gain or loss recognized on the sale or
retirement of a New Debenture will be long-term capital gain or loss if the
holding period of the New Debenture was more than one year. The holding period
of a New Debenture acquired by a United States Holder in the Exchange will
include the holding period of the corresponding Old Debenture.
 
UNITED STATES ALIEN HOLDERS
 
    For purposes of this discussion, a "United States Alien Holder" is any
holder of a New Debenture who is (i) a nonresident alien individual or (ii) a
foreign corporation, partnership or estate or trust, in either case not subject
to United States federal income tax on a net income basis in respect of income
or gain from a New Debenture.
 
    Under present United States federal income and estate tax law, and subject
to the discussion of backup withholding below:
 
        (i) payments of principal, premium, if any, and interest by the Company
    or any of its paying agents to any holder of a New Debenture that is a
    United States Alien Holder will not be subject to United States federal
    withholding tax if, in the case of interest, (a) the beneficial owner of the
    New Debenture does not actually or constructively own 10% or more of the
    total combined voting power of all classes of stock of the Company entitled
    to vote, (b) the beneficial owner of the New Debenture is
 
                                       42
<PAGE>
    not a controlled foreign corporation that is related to the Company through
    stock ownership, and (c) either (A) the beneficial owner of the New
    Debenture certifies to the Company or its agent, under penalties of perjury,
    that it is not a United States Holder and provides its name and address or
    (B) a securities clearing organization, bank or other financial institution
    that holds customers' securities in the ordinary course of its trade or
    business (a "financial institution") and certifies to the Company or its
    agent under penalties or perjury that such statement has been received from
    the beneficial owner by it or by a financial institution between it and the
    beneficial owner and furnishes the payor with a copy thereof;
 
        (ii) a United States Alien Holder of a New Debenture will not be a
    subject to United States federal withholding tax on any gain realized on the
    sale or exchange of a New Debenture; and
 
        (iii) a New Debenture held by an individual who at death is not a
    citizen or resident of the United States will not be includible in the
    individual's gross estate for purposes of the United States federal estate
    tax as a result of the individual's death if (a) the individual did not
    actually or constructively own 10% or more of the total combined voting
    power of all classes of stock of the Company entitled to vote and (b) the
    income on the New Debenture would not have been effectively connected with a
    United States trade or business of the individual at the individual's death.
 
    Recently proposed Internal Revenue Service Treasury regulations (the
"Proposed Regulations") would provide alternative methods for satisfying the
certification requirement described in clause (i)(c) above. The Proposed
Regulations also would require, with certain exceptions, in the case of New
Debentures held by a foreign partnership, that (x) the certification described
in clause (i)(c) above be provided by the partners rather than by the foreign
partnership and (y) the partnership provide certain information, including a
United States taxpayer identification number. A look-through rule generally
would apply in the case of tiered partnerships. The Proposed Regulations are
proposed to be effective for payments made after December 31, 1997. There can be
no assurance that the Proposed Regulations will be adopted or as to the
provisions that they will include if and when adopted in temporary or final
form.
 
BACKUP WITHHOLDING AND INFORMATION REPORTING
 
    UNITED STATES HOLDERS.  In general, information reporting requirements will
apply to payments of principal and interest on a New Debenture and the proceeds
of the sale of a New Debenture before maturity within the United States to
non-corporate United States Holders, and "backup withholding" at a rate of 31%
will apply to such payments if the United States Holder fails to provide an
accurate taxpayer identification number or is notified by the Internal Revenue
Service that it has failed to report all interest and dividends required to be
shown on its federal income tax returns.
 
    UNITED STATES ALIEN HOLDERS.  Under current law, information reporting on
Internal Revenue Service Form 1099 and backup withholding will not apply to
payments of principal and interest made by the Company or a paying agent to a
United States Alien Holder on a New Debenture; provided, the certification
described in clause (i)(c) under "United States Alien Holders" above is
received; and provided further that the payor does not have actual knowledge
that the Holder is a United States person. The Company or a paying agent,
however, may report (on Internal Revenue Service Form 1042S) payments of
interest on New Debentures. See the discussion above with respect to the rules
under the Proposed Regulations.
 
    Payments of the proceeds from the sale by a United States Alien Holder of a
New Debenture made to or through a foreign office of a broker will not be
subject to information reporting or backup withholding, except that if the
broker is a United States person, a controlled foreign corporation for United
States tax purposes or a foreign person 50% or more of whose gross income is
effectively connected with a United States trade or business for a specified
three-year period, information reporting may apply to such payment. Payments of
the proceeds from the sale of a New Debenture to or through the United States
office of a broker is subject to information reporting and backup withholding
unless the holder or
 
                                       43
<PAGE>
beneficial owner certifies as to its non-United States status or otherwise
establishes an exemption from information reporting and backup withholding.
 
                              PLAN OF DISTRIBUTION
 
    Each broker-dealer that receives New Debentures for its own account pursuant
to the Exchange Offer must acknowledge that it will deliver a prospectus in
connection with any resale of such New Debentures. This Prospectus, as it may be
amended or supplemented from time to time, may be used by a broker-dealer in
connection with resales of New Debentures received in exchange for Old
Debentures where such Old Debentures were acquired as a result of market-making
activities or other trading activities. The Company has agreed that it will make
this Prospectus, as amended or supplemented, available to any broker-dealer for
use in connection with any such resale for a period of 90 days from the date of
this Prospectus, or shorter period as will terminate when all Old Debentures
acquired by broker-dealers for their own accounts as a result of market-making
activities or other trading activities have been exchanged for New Debentures
and resold by such broker-dealers.
 
    The Company will not receive any proceeds from any sale of New Debentures by
broker-dealers. New Debentures received by broker-dealers for their own account
pursuant to the Exchange Offer may be sold from time to time in one or more
transactions in the over-the-counter market, in negotiated transactions, through
the writing of options on the New Debentures or a combination of such methods of
resale, at market prices prevailing at the time of resale, at prices related to
such prevailing market prices or negotiated prices. Any such resale may be made
directly to purchasers or to or through brokers or dealers who may receive
compensation in the form of commissions or concessions from any such
broker-dealer and/or the purchasers of any such New Debentures. Any
broker-dealer that resells New Debentures that were received by it for its own
account pursuant to the Exchange Offer and any broker or dealer that
participates in a distribution of such New Debentures may be deemed to be an
"underwriter" within the meaning of the Securities Act and any profit on any
such resale of New Debentures and any commissions or concessions received by any
such persons may be deemed to be underwriting compensation under the Securities
Act. The Letter of Transmittal states that by acknowledging that it will deliver
and by delivering a prospectus, a broker-dealer will not be deemed to admit that
it is an "underwriter" within the meaning of the Securities Act.
 
    For a period of 90 days from the date of this Prospectus, or such shorter
period as will terminate when all Old Debentures acquired by broker-dealers for
their own accounts as a result of market-making activities or other trading
activities have been exchanged for New Debentures and resold by such broker-
dealers, the Company will promptly send additional copies of this Prospectus and
any amendment or supplement to this Prospectus to any broker-dealer that
requests such documents in the Letter of Transmittal.
 
                           VALIDITY OF NEW DEBENTURES
 
    The validity of the New Debentures will be passed upon for the Company by
Sullivan & Cromwell, New York, New York, counsel to the Company.
 
                                    EXPERTS
 
    The consolidated financial statements and schedule of the Company and its
subsidiaries as of December 31, 1996 and 1995 and for each of the years in the
three-year period ended December 31, 1996 that are incorporated in this
Prospectus by reference have been incorporated herein and in the Registration
Statement in reliance upon the report of KPMG Peat Marwick LLP, independent
certified public accountants, incorporated by reference herein, and upon the
authority of said firm as experts in accounting and auditing.
 
    The consolidated financial statements of A-R Cable Services, Inc. and its
subsidiaries as of December 31, 1996 and 1995 and for each of the years in the
three-year period ended December 31, 1996 that are incorporated in this
Prospectus by reference have been incorporated herein and in the Registration
Statement in reliance upon the report of KPMG Peat Marwick LLP, independent
certified public accountants, incorporated by reference herein, and upon the
authority of said firm as experts in accounting and auditing.
 
                                       44
<PAGE>
                                    PART II
                   INFORMATION NOT REQUIRED IN THE PROSPECTUS
 
ITEM 20. INDEMNIFICATION OF DIRECTORS AND OFFICERS.
 
    Section 145 of the Delaware General Corporation Law provides that a
corporation may indemnify directors and officers as well as other employees and
individuals against expenses (including attorneys' fees), judgments, fines and
amounts paid in settlement in connection with specified actions, suits or
proceedings, whether civil, criminal, administrative or investigative (other
than an action by or in the right of the corporation--a "derivative action"), if
they acted in good faith and in a manner they reasonably believed to be in or
not opposed to the best interests of the corporation, and, with respect to any
criminal action or proceeding, had no reasonable cause to believe their conduct
was unlawful. A similar standard is applicable in the case of derivative
actions, except that indemnification only extends to expenses (including
attorneys' fees) incurred in connection with defense or settlement of such
action, and the statute requires court approval before there can be any
indemnification where the person seeking indemnification has been found liable
to the corporation. The statute provides that it is not exclusive of other
rights to which those seeking indemnification may be entitled under any by-law,
agreement, vote of stockholders or disinterested directors or otherwise.
 
    The first paragraph of Article Ninth of the Company's Certificate of
Incorporation provides:
 
        The corporation shall, to the fullest extent permitted by Section 145 of
    the General Corporation Law of the State of Delaware, as the same may be
    amended and supplemented, or by any successor thereto, indemnify any and all
    persons whom it shall have power to indemnify under said section from and
    against any and all of the expenses, liabilities or other matters referred
    to in or covered by said section. Such right to indemnification shall
    continue as to a person who has ceased to be a director, officer, employee
    or agent and shall inure to the benefit of the heirs, executors and
    administrators of such a person. The indemnification provided for herein
    shall not be deemed exclusive of any other rights to which those seeking
    indemnification may be entitled under any By-Law, agreement, vote of
    stockholders or disinterested directors or otherwise.
 
    Article VIII of the By-Laws of the Company provides:
 
        A. The corporation shall indemnify each person who was or is made a
    party or is threatened to be made a party to or is involved in any
    threatened, pending or completed action, suit or proceeding, whether civil,
    criminal, administrative or investigative (hereinafter a "proceeding"), by
    reason of the fact that he or she, or a person of whom he or she is the
    legal representative, is or was a director or officer of the corporation or
    is or was serving at the request of the corporation as a director, officer,
    employee or agent of another corporation or of a partnership, joint venture,
    trust or other enterprise, including service with respect to employee
    benefit plans, whether the basis of such proceeding is alleged action in an
    official capacity as a director, officer, employee or agent or alleged
    action in any other capacity while serving as a director, officer, employee
    or agent, to the maximum extent authorized by the Delaware General
    Corporation Law, as the same exists or may hereafter be amended (but, in the
    case of any such amendment, only to the extent that such amendment permits
    the corporation to provide broader indemnification rights than said law
    permitted the corporation to provide prior to such amendment), against all
    expense, liability and loss (including attorney's fees, judgments, fines,
    ERISA excise taxes or penalties and amounts paid or to be paid in
    settlement) reasonably incurred by such person in connection with such
    proceeding. Such indemnification shall continue as to a person who has
    ceased to be a director, officer, employee or agent and shall inure to the
    benefit of his or her heirs, executors and administrators. The right to
    indemnification conferred in this Article shall be a contract right and
    shall include the right to be paid by the corporation the expenses incurred
    in defending any such proceeding in advance of its final disposition;
    provided that,
 
                                      II-1
<PAGE>
    if the Delaware General Corporation Law so requires, the payment of such
    expenses incurred by a director or officer in advance of the final
    disposition of a proceeding shall be made only upon receipt by the
    corporation of an undertaking by or on behalf of such person to repay all
    amounts so advanced if it shall ultimately be determined that such person is
    not entitled to be indemnified by the corporation as authorized in this
    Article or otherwise.
 
        B. The right to indemnification and advancement of expenses conferred on
    any person by this Article shall not limit the corporation from providing
    any other indemnification permitted by law nor shall it be deemed exclusive
    of any other right which any such person may have or hereafter acquire under
    any statute, provision of the Certificate of Incorporation, by-law,
    agreement, vote of stockholders or disinterested directors or otherwise.
 
        C. The corporation may purchase and maintain insurance, at its expense,
    to protect itself and any director, officer, employee or agent of the
    corporation or another corporation, partnership, joint venture, or other
    enterprise against any expense, liability or loss, whether or not the
    corporation would have the power to indemnify such person against such
    expense, liability or loss under the Delaware General Corporation Law.
 
    The Company has entered into indemnification agreements with certain of its
officers and directors indemnifying such officers and directors from and against
certain expenses, liabilities or other matters referred to in or covered by
Section 145 of the Delaware General Corporation Law. The Company has also
entered into an agreement with Charles F. Dolan ("Mr. Dolan"), the Chairman of
the Company, pursuant to which Mr. Dolan has agreed to guarantee the Company's
obligation to indemnify its officers and directors to the fullest extent
permitted by Delaware law. In addition, subject to certain limitations, Mr.
Dolan has agreed to indemnify such officers and directors against any loss or
expense such person may incur in connection with any transaction involving Mr.
Dolan or entities affiliated with Mr. Dolan to the extent indemnification is not
provided by the Company. Any payment required to be made by Mr. Dolan pursuant
to such agreement will be reduced by any proceeds of insurance or reimbursement
under any other form of indemnification reimbursement available to such officer
or director. The Company maintains directors' and officers' liability insurance.
 
    Section 102(b)(7) of the Delaware General Corporation Law permits a
corporation to provide in its certificate of incorporation that a director of
the corporation shall not be personally liable to the corporation or its
stockholders for monetary damages for breach of fiduciary duty as a director,
except for liability (i) for any breach of the director's duty of loyalty to the
corporation or its stockholders, (ii) for acts or omissions not in good faith or
which involve intentional misconduct or a knowing violation of law, (iii) for
payments of unlawful dividends or unlawful stock repurchases or redemptions, or
(iv) for any transaction from which the director derived an improper personal
benefit. The second paragraph of Article Ninth of the Company's Certificate of
Incorporation provides for such limitation of liability.
 
                                      II-2
<PAGE>
ITEM 21. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES.
 
<TABLE>
<S>        <C>        <C>
 4.1              --  Registration Rights Agreement, dated August 26, 1997, between the Company and
                      Bear, Stearns & Co. Inc., Merrill Lynch, Pierce, Fenner & Smith Incorporated and
                      Morgan Stanley & Co. Incorporated.
 4.2              --  Indenture dated as of August 15, 1997 between the Company and Trustee.
 4.3              --  Form of 8 1/8% Series B Senior Debentures due 2009 (included in Exhibit 4.2).
 5.1              --  Opinion of Sullivan & Cromwell.
12.1              --  Computation of deficiency of earnings to fixed charges.
23.1              --  Consent of KPMG Peat Marwick LLP.
23.2              --  Consent of Sullivan & Cromwell (included in Exhibit 5.1).
24                --  Powers of Attorney (included on pages II-4 and II-5).
25                --  Statement of Eligibility of The Bank of New York.
99.1              --  Form of Letter of Transmittal.*
99.2              --  Form of Notice of Guaranteed Delivery.*
</TABLE>
 
- ------------------------
 
*   To be filed by Amendment.
 
ITEM 22. UNDERTAKINGS.
 
    The undersigned registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act of 1933, each filing of the
registrant's annual report pursuant to Section 13(a) or 15(d) of the Securities
Exchange Act of 1934 (and, where applicable, each filing of an employee benefit
plan's annual report pursuant to Section 15(d) of the Securities Exchange Act of
1934) that is incorporated by reference in the registration statement shall be
deemed to be a new registration statement relating to the securities offered
therein, and the offering of such securities at that time shall be deemed to be
the initial BONA FIDE offering thereof.
 
    Insofar as indemnification for liabilities arising under the Securities Act
of 1933 may be permitted to directors, officers and controlling persons of the
registrant, pursuant to the foregoing provisions, or otherwise, the registrant
has been advised that in the opinion of the Securities and Exchange Commission
such indemnification is against public policy as expressed in the Securities Act
of 1933 and is, therefore, unenforceable. In the event that a claim for
indemnification against such liabilities (other than the payment by the
registrant of expenses incurred or paid by a director, officer or controlling
person of the registrant in the successful defense of any action, suit or
proceeding) is asserted by any such director, officer or controlling person in
connection with the securities being registered, the registrant will, unless in
the opinion of its counsel the matter has been settled by controlling precedent,
submit to a court of appropriate jurisdiction the question of whether or not
such indemnification is against public policy as expressed in the Securities Act
of 1933 and will be governed by the final adjudication of such issue.
 
    The undersigned registrant hereby undertakes to respond to requests for
information that is incorporated by reference into the prospectus pursuant to
Item 4, 10(b), 11, or 13 of this form, within one business day of receipt of
such request, and to send the incorporated documents by first class mail or
other equally prompt means. This includes information contained in documents
filed subsequent to the effective date of the registration statement through the
date of responding to the request.
 
    The undersigned registrant hereby undertakes to supply by means of a
post-effective amendment all information concerning a transaction, and the
company being acquired involved therein, that was not the subject of and
included in the registration statement when it became effective.
 
                                      II-3
<PAGE>
                                   SIGNATURES
 
    Pursuant to the requirements of the Securities Act of 1933, the registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-4 and has duly caused this Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the Town of Oyster Bay and the State of New York, on the 16th day
of October, 1997.
 
                                CABLEVISION SYSTEMS CORPORATION
 
                                By:  /s/ WILLIAM J. BELL
                                     -----------------------------------------
                                     Name: William J. Bell
                                     Title: Vice Chairman
 
                               POWER OF ATTORNEY
 
    KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears
below constitutes and appoints William J. Bell, Robert S. Lemle and Barry J.
O'Leary, and each of them, his true and lawful attorneys-in-fact and agents,
with full power of substitution and resubstitution, for him in his name, place
and stead, in any and all capacities, to sign any and all amendments (including
post-effective amendments) to the Registration Statement, and file the same,
with all exhibits thereto and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, full power and authority to do and perform each and every act and thing
requisite and necessary to be done as fully to all intents and purposes as he
might or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact and agents or any of them may lawfully do or cause to be done
by virtue hereof.
 
    Pursuant to the requirements of the Securities Act of 1933, as amended, this
Registration Statement has been signed below by the following persons in the
capacities and on October 16, 1997.
 
          SIGNATURE                        TITLE
- ------------------------------  ---------------------------
 
      /s/ JAMES L. DOLAN        Chief Executive Officer and
- ------------------------------    Director (Principal
        James L. Dolan            Executive Officer)
 
     /s/ WILLIAM J. BELL        Vice Chairman and Director
- ------------------------------    (Principal Financial
       William J. Bell            Officer)
 
   /s/ ANDREW B. ROSENGARD      Senior Vice President and
- ------------------------------    Controller (Principal
     Andrew B. Rosengard          Accounting Officer)
 
     /s/ CHARLES F. DOLAN       Chairman of the Board of
- ------------------------------    Directors
       Charles F. Dolan
 
    /s/ MARC A. LUSTGARTEN      Vice Chairman and Director
- ------------------------------
      Marc A. Lustgarten
 
      /s/ ROBERT P. MAY         Chief Operating Officer and
- ------------------------------    Director
        Robert P. May
 
                                      II-4
<PAGE>
<TABLE>
<CAPTION>


        SIGNATURE                       TITLE
- ------------------------------  ---------------------------
 
<S>                             <C>
     /s/ ROBERT S. LEMLE        Executive Vice President,
- ------------------------------    General Counsel,
       Robert S. Lemle            Secretary and Director
 
     /s/ SHEILA A. MAHONY       Senior Vice President and
- ------------------------------    Director
       Sheila A. Mahony
 
        /s/ JOHN TATTA          Director and Chairman of
- ------------------------------    the Executive Committee
          John Tatta
 
     /s/ PATRICK F. DOLAN       Director
- ------------------------------
       Patrick F. Dolan
 
 /s/ FRANCIS F. RANDOLPH, JR.   Director
- ------------------------------
   Francis F. Randolph, Jr.
 
    /s/ DANIEL C. SWEENEY       Director
- ------------------------------
      Daniel C. Sweeney
 
    /s/ CHARLES D. FERRIS       Director
- ------------------------------
      Charles D. Ferris
 
    /s/ RICHARD H. HOCHMAN      Director
- ------------------------------
      Richard H. Hochman
 
     /s/ VICTOR ORISTANO        Director
- ------------------------------
       Victor Oristano
 
       /s/ VINCENT TESE         Director
- ------------------------------
         Vincent Tese
 
</TABLE>

                                      II-5
<PAGE>
                                                                    EXHIBIT 12.1
 
                        CABLEVISION SYSTEMS CORPORATION
 
             COMPUTATION OF DEFICIENCY OF EARNINGS TO FIXED CHARGES
<TABLE>
<CAPTION>
                                                    SIX MONTHS ENDED
<S>                                              <C>         <C>         <C>         <C>         <C>         <C>         <C>
                                                        JUNE 30,                          YEAR ENDED DECEMBER 31,
                                                 ----------------------  ----------------------------------------------------------
 
<CAPTION>
                                                    1997        1996        1996        1995        1994        1993        1992
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
<S>                                              <C>         <C>         <C>         <C>         <C>         <C>         <C>
EARNINGS
  Loss from continuing operations..............  $ (167,966) $ (160,476) $ (332,079) $ (317,458) $ (315,151) $ (246,782) $ (250,503)
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
ADD:
  Fixed charges per (B) below..................     159,843     136,845     278,437     322,054     269,627     238,109     199,691
Amortization of previously capitalized
  interest.....................................           0           0           0           0           0           0           0
DEDUCT
  Interest capitalized during period...........           0           0           0           0           0           0           0
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
Earnings for computation purposes (A)..........  $   (8,123) $  (23,631) $  (53,642) $    4,596  $  (45,524) $   (8,673) $  (50,842)
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
Fixed Charges:
  Interest on Indebtedness, expensed or
    capitalized, including amortization of debt
    expense....................................     153,785     132,099     268,177     313,850     263,299     232,434     194,628
Portion of rents representative of the interest
  factor.......................................       6,058       4,746      10,260       8,204       6,328       5,675       5,033
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
Fixed Charges for computation purposes (B).....  $  159,843  $  136,845  $  278,437  $  322,054  $  269,627  $  238,109  $  199,661
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
Deficiency of earnings available to cover fixed
  charges......................................  $ (167,966) $ (160,476) $ (332,079) $ (317,458) $ (315,151) $ (246,782) $ (250,503)
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
</TABLE>

<PAGE>




                                                                  EXECUTION COPY
- --------------------------------------------------------------------------------

                                                                  Exhibit 4.1





                           CABLEVISION SYSTEMS CORPORATION


                          8 1/8% Senior Debentures due 2009
                                           



                           --------------------------------


                            Registration Rights Agreement
                                           

                           --------------------------------









Dated:  August 26, 1997
- --------------------------------------------------------------------------------

<PAGE>


                            REGISTRATION RIGHTS AGREEMENT
                                           

         REGISTRATION RIGHTS AGREEMENT dated August 26, 1997, between
CABLEVISION SYSTEMS CORPORATION, a Delaware corporation (the "Company"), and
BEAR, STEARNS & CO. INC., MERRILL LYNCH & CO., MERRILL LYNCH, PIERCE, FENNER &
SMITH INCORPORATED and MORGAN STANLEY & CO. INCORPORATED as the initial
purchasers (the "Initial Purchasers") of the Securities referred to below
pursuant to the Purchase Agreement dated August 21, 1997, between the Initial
Purchasers and the Company, in connection with the issuance of $300,000,000
aggregate principal amount of the Company's 81/8% Senior Debentures due 2009
(the "Securities") pursuant to the Indenture, dated as of August 15, 1997,
between the Company and The Bank of New York, trustee (the "Indenture").

         In consideration of the foregoing, the parties hereto agree as
         follows:

         1.   Certain Definitions.

         As used in this Agreement, the following defined terms shall have the 
following meanings:

         "best efforts" with respect to the Company shall mean the Company's
    best efforts except that such term shall mean reasonable best efforts in
    the event and to the extent that the Company could satisfy the standard for
    the issuance of a Suspension Notice pursuant to the third paragraph of
    Section 5 hereof.

         "Business Day" shall mean any day except (i) a Saturday, Sunday or
    other day in The City of New York on which banks are required or authorized
    to close or (ii) any other day on which the SEC is closed.
         
         "Closing Time" shall mean the Closing Time as defined in the Purchase
    Agreement.

         "Company" shall have the meaning set forth in the preamble and shall
    also  include the Company's successors.

         "Exchange Act" shall mean the Securities Exchange Act of 1934, as
    amended from time to time.

         "Exchange Offer" shall mean the exchange offer by the Company of
    Exchange Securities for Registrable Securities pursuant to Section 2(a)
    hereof.

         "Exchange Offer Registration" shall mean a registration under the
    Securities Act effected pursuant to Section 2(a) hereof.

<PAGE>

                                          2

         "Exchange Offer Registration Statement" shall mean an exchange offer
    registration statement of the Company pursuant to the provisions of Section
    2(a) hereof on Form S-4 (or, if applicable, on another appropriate form),
    and all amendments and supplements to such registration statement, in each
    case including the Prospectus contained therein, all exhibits thereto and
    all material incorporated by reference therein.

         "Exchange Securities" shall mean the 8 1/8% Series B Senior Debentures
    due 2009 issued by the Company under the Indenture as Exchange Securities
    (as defined therein), to be offered to Holders of Securities pursuant to
    the Exchange Offer.

         "Holder" shall mean, individually, each of the Initial Purchasers, for
    so long as they own any Registrable Securities, and any of the Initial
    Purchasers' successors, assigns and direct and indirect transferees who
    become registered owners of Registrable Securities.

         "Indenture" shall have the meaning set forth in the preamble.

         "Initial Purchasers" shall have the meaning set forth in the preamble.

         "Majority Holders" shall mean the Holders of a majority of the
    aggregate principal amount of outstanding Registrable Securities.

         "Person" shall mean an individual, partnership, corporation, trust or
    unincorporated organization, or a government or agency or political
    subdivision thereof.

         "Prospectus" shall mean the prospectus included in a Registration
    Statement, including any preliminary prospectus, and any such prospectus as
    amended or supplemented by any prospectus supplement, including a
    prospectus supplement with respect to the terms of the offering of any
    portion of the Registrable Securities covered by a Shelf Registration
    Statement, and by all other amendments and supplements to a prospectus,
    including post-effective amendments, and in each case including all
    material incorporated by reference therein.

         Purchase Agreement" shall mean the Purchase Agreement dated August 21,
    1997 between the Company and the Initial Purchasers, providing for the
    initial purchase and sale of the Securities.

         "Registrable Securities" shall mean the Securities; provided, however,
    that any such Securities shall cease to be Registrable Securities upon the
    earlier to occur of the date on which (i) the Exchange Offer has been
    consummated, (ii) a Registration Statement with respect to such Securities
    shall have been declared effective under the Securities Act and such
    Securities shall have been disposed of pursuant to such 

<PAGE>

                                          3

    Registration Statement, provided, that Securities not disposed of pursuant
    to an effective Shelf Registration Statement shall cease to be Registrable
    Securities two years from the date such Shelf Registration Statement is
    declared effective by the SEC, or such longer period as the Company's
    obligation to keep such Shelf Registration Statement effective is extended
    in accordance with Section 5 hereof, (iii) such Registrable Securities have
    been sold to the public pursuant to Rule 144(k) (or any similar provision
    then in force, but not Rule 144A) under the Securities Act, or (iv) such
    Registrable Securities shall have ceased to be outstanding.

         "Registration Expenses" shall mean any and all expenses incident to
    performance of or compliance by the Company with this Agreement, including
    without limitation:  (i) all SEC or National Association of Securities
    Dealers, Inc. registration and filing fees, (ii) all fees and expenses
    incurred in connection with compliance with state securities or blue sky
    laws, (iii) all expenses of any Persons acting on behalf of the Company in
    preparing or assisting in preparing, word processing, printing and
    distributing any Registration Statement, any Prospectus, any amendments or
    supplements thereto and other documents reasonably relating to the
    performance of and compliance with this Agreement by the Company, (iv) all
    rating agency fees, (v) the fees and disbursements of counsel for the
    Company and, in connection with a Shelf Registration Statement, the fees
    and disbursements of one counsel for the Holders (which counsel shall be
    selected by the Majority Holders and shall be reasonably acceptable to the
    Company), and (vi) any fees and expenses of the independent public
    accountants of the Company, including the expenses of any special audits or
    "cold comfort" letters (in connection with a Shelf Registration) required
    by or necessary to such performance and compliance, but excluding
    underwriting discounts and commissions, fees and expenses and transfer
    taxes, if any, relating to the sale or disposition of Registrable
    Securities by a Holder.

         "Registration Statement" shall mean any Exchange Offer Registration
    Statement or Shelf Registration Statement.

         "SEC" shall mean the Securities and Exchange Commission.

         "Securities" shall have the meaning set forth in the preamble.

         "Securities Act" shall mean the Securities Act of 1933, as amended
    from time to time.

         "Shelf Registration" shall mean a registration effected pursuant to
    Section 2(b)  hereof.

         "Shelf Registration Statement" shall mean a "shelf" registration
    statement of the Company pursuant to the provisions of Section 2(b) hereof
    which covers all of the Registrable Securities on an appropriate form under
    Rule 4l5 under the Securities Act, 

<PAGE>

                                          4

    or any similar rule that may be adopted by the SEC and all amendments and
    supplements to such registration statement, including post-effective
    amendments, in each case including the Prospectus contained therein, all
    exhibits thereto and all material incorporated by reference therein.

         "Trustee" shall mean the trustee with respect to the Securities and
    the Exchange Securities under the Indenture.

         "Underwritten Registration or Underwritten Offering" shall mean a
    registration in which Registrable Securities are sold to one or more
    Underwriters (as hereinafter defined) for reoffering to the public.

         2.    Registration Under the Securities Act.

         (a)  Exchange Offer Registration.  The Company shall, for the benefit
of the Holders of the Securities, file an Exchange Offer Registration Statement
with respect to Exchange Securities within 60 days after the Closing Time and
use its best efforts to cause such Exchange Offer Registration Statement to be
declared effective under the Securities Act within 180 days after the Closing
Time.  Upon such Exchange Offer Registration Statement becoming effective under
the Securities Act, the Company shall offer the Exchange Securities in return
for surrender of the Securities.  The Exchange Offer shall remain open for not
less than 30 days (or longer if required by applicable law) after the date
notice of the Exchange Offer is mailed to Holders of the Securities.  For the
Securities surrendered to the Company under the Exchange Offer, the Holder will
receive Exchange Securities having an aggregate principal amount equal to that
of the surrendered Securities.  Interest on the Exchange Securities shall accrue
from the last maturity date of any interest installment on which interest was
paid on the Security so surrendered (or the Exchange Securities, as the case may
be or, if no interest has been paid on the Securities, from August 26, 1997). 
The Company shall commence the Exchange Offer by mailing the related Exchange
Offer Prospectus and accompanying documents to each Holder stating, in addition
to such other disclosures as are required by applicable law:

         (i)  that the Exchange Offer is being made pursuant to this
    Registration Rights Agreement and that all Registrable Securities validly
    tendered will be accepted for exchange;

         (ii) the date of acceptance for exchange (which shall be a Business
    Day no earlier than 30 days nor later than 40 days (unless otherwise
    required by applicable law) from the date such notice is mailed) (the
    "Exchange Date");

         (iii)     that any Registrable Security not tendered will remain
    outstanding and shall accrue interest at the initial rate borne by the
    Securities and, other than Registrable Securities referred to in Section
    2(b)(iii) below, will not retain any rights under this Registration Rights
    Agreement;


<PAGE>

                                          5

         (iv) that Holders electing to have a Registrable Security exchanged
    pursuant to the Exchange Offer will be required to surrender such
    Registrable Security, together with letters of transmittal, to the
    institution and at the address (located in the Borough of Manhattan, City
    of New York) specified in the notice prior to the close of business on the
    Business Day immediately preceding the Exchange Date; and

         (v)  that Holders will be entitled to withdraw the election, not later
    than the close of business on the Business Day immediately preceding the
    Exchange Date, by sending to the institution and at the address (located in
    the Borough of Manhattan, City of New York) specified in the notice, a
    telegram, telex, facsimile transmission or letter setting forth the name of
    such Holder, the number of shares of Registrable Securities delivered for
    exchange, and a statement that such Holder is withdrawing its election to
    have such Registrable Securities exchanged.

         On the Exchange Date, the Company shall:

         (i)  accept for exchange Registrable Securities tendered and not
    validly withdrawn pursuant to the Exchange Offer; and

         (ii) deliver, or cause to be delivered, to the Trustee for
    cancellation all Registrable Securities so accepted for exchange by the
    Company, and issue and mail to each Holder or such Holder's nominee, for
    the Registrable Securities so surrendered, new Exchange Securities having
    an aggregate liquidation preference equal to that of the Registrable
    Securities surrendered by such Holder.

The Company shall use its best efforts to complete the Exchange Offer as
provided above, and in accordance with the applicable requirements of the
Securities Act, the Exchange Act and other applicable laws in connection with
the Exchange Offer.  Consummation of the Exchange Offer shall not be subject to
any conditions, other than that the Exchange Offer does not, and consummation of
the Exchange Offer will not, violate applicable law or any applicable
interpretation of the staff of the SEC.  The Company shall inform the Initial
Purchasers of the names and addresses of the Holders to whom the Exchange Offer
is made, and the Initial Purchasers shall have the right to contact such Holders
and otherwise facilitate the tender of Registrable Securities in the Exchange
Offer.

         (b)  Shelf Registration.  In the event that (i) the Company determines
that the Exchange Offer Registration provided in Section 2(a) above is not
available or may not be consummated because it would violate applicable law or
the applicable interpretations of the SEC staff, (ii) the Exchange Offer is not
for any other reason consummated within 180 days after the Closing Time, or
(iii) following the consummation of the Exchange Offer a Registration Statement
must be filed and a Prospectus must be delivered by the Initial Purchasers in
connection with any offering or sale of Registrable Securities because such
Registrable Securities represent an unsold allotment of the Registrable
Securities purchased by the Initial Purchasers from the Company, unless the
Company has previously done so, the Company will (a) file as soon as practicable
after such determination or date, as the case may 

<PAGE>

                                          6


be, a Shelf Registration Statement providing for the sale by the Holders of all
of the Registrable Securities, (b) use its best efforts to have such Shelf
Registration Statement declared effective by the SEC and (c) keep the Shelf
Registration Statement continuously effective until the second anniversary of
the Closing Time or such shorter period which will terminate when all of the
Registrable Securities covered by the Shelf Registration Statement have been
sold pursuant to the Shelf Registration Statement.  In the event the Company is
required to file a Shelf Registration Statement solely as a result of the
matters referred to in clause (iii) of the preceding sentence, the Company shall
file and have declared effective by the SEC both an Exchange Offer Registration
Statement pursuant to Section 2(a) with respect to all Registrable Securities
and a Shelf Registration Statement (which may be a combined Registration
Statement with the Exchange Offer Registration Statement) with respect to offers
and sales of Registrable Securities held by the Initial Purchasers after
completion of the Exchange Offer.  The Company further agrees, if necessary, to
supplement or amend the Shelf Registration Statement, if required by the rules,
regulations or instructions applicable to the registration form used by the
Company for such Shelf Registration Statement or by the 1933 Act or by any other
rules and regulations thereunder for shelf registration, and the Company agrees
to furnish to the Holders of Registrable Securities copies of any such
supplement or amendment promptly after its being used or filed with the SEC.

         (c)   Expenses. The Company shall pay all Registration Expenses in
connection with any registration pursuant to Section 2(a) or 2(b) hereof.

         (d)  Effective Registration Statement.  An Exchange Offer Registration
Statement pursuant to Section 2(a) hereof or a Shelf Registration Statement
pursuant to Section 2(b) hereof will not be deemed to have become effective
unless it has been declared effective by the SEC; provided, however, that if,
after it has been declared effective, the offering of Registrable Securities
pursuant to a Shelf Registration Statement is interfered with by any stop order,
injunction or other order or requirement of the SEC or any other governmental
agency or court, such Registration Statement will be deemed not to have been
effective during the period of such interference, until the offering of
Registrable Securities pursuant to such Registration Statement may legally
resume.

         3.   Participation of Broker-Dealers in Exchange Offer.

         (a)  The SEC staff has taken the position that any broker-dealer that
receives Exchange Securities for its own account in the Exchange Offer in
exchange for Securities that were acquired by such broker-dealer as a result of
market-making or other trading activities (a "Participating Broker-Dealer") may
be deemed to be an "underwriter" within the meaning of the Securities Act and
must deliver a prospectus meeting the requirements of the Securities Act in
connection with any resale of such Exchange Securities.

         The Company understands that it is the SEC staff's position that if
the Prospectus contained in the Exchange Offer Registration Statement includes a
plan of distribution containing a statement to the above effect and the means by
which Participating 

<PAGE>

                                          7

Broker-Dealers may resell the Exchange Securities, without naming the
Participating Broker-Dealers or specifying the amount of Exchange Securities
owned by them, such Prospectus may be delivered by Participating Broker-Dealers
and other Persons, if any, subject to similar prospectus delivery requirements
to satisfy their prospectus delivery obligation under the Securities Act in
connection with resales of Exchange Securities for their own accounts, so long
as the Prospectus otherwise meets the requirements of the Securities Act.

         (b)  In light of the above, notwithstanding the other provisions of
this Agreement, the Company agrees that the provisions of this Agreement as they
relate to a Shelf Registration shall also apply to an Exchange Offer
Registration to the extent, and with such reasonable modifications thereto as
may be, reasonably requested by the Initial Purchasers or by one or more
Participating Broker-Dealers in each case as provided in clause (ii) below, in
order to expedite or facilitate the disposition of any Exchange Securities by
Participating Broker-Dealers consistent with the positions of the SEC staff
recited in Section 3(a) above; provided that:

         (i)  the Company shall not be required to amend or supplement the
    Prospectus contained in the Exchange Offer Registration Statement, as would
    otherwise be contemplated by Section 5(i), for a period exceeding 90 days
    after the last Exchange Date (as such period may be extended pursuant to
    the penultimate paragraph of Section 5 of this Agreement) and Participating
    Broker-Dealers shall not be authorized by the Company to deliver and shall
    not deliver such Prospectus after such period in connection with the
    resales contemplated by this Section 3; and

         (ii) the application of the Shelf Registration procedures set forth in
    Section 5 of this Agreement to an Exchange Offer Registration, to the
    extent not required by the positions of the SEC staff or the Securities Act
    and the rules and regulations thereunder, will be in conformity with the
    reasonable request to the Company by the Initial Purchasers or with the
    reasonable request in writing to the Company by one or more broker-dealers
    who certify to the Initial Purchasers and the Company in writing that they
    anticipate that they will be Participating Broker-Dealers; and provided
    further that, in connection with such application of the Shelf Registration
    procedures set forth in Section 5 to an Exchange Offer Registration, the
    Company shall be obligated (x) to deal only with one entity representing
    the Participating Broker-Dealers, which shall be one of the Initial
    Purchasers unless they collectively elect not to act as such
    representative, (y) to pay the fees and expenses of only one counsel
    representing the Participating Broker-Dealers, which shall be counsel to
    the Initial Purchasers unless such counsel elects not to so act and (z) to
    cause to be delivered only one, if any, "cold comfort" letter with respect
    to the Prospectus in the form existing on the last Exchange Date and with
    respect to each subsequent amendment or supplement, if any, effected during
    the period specified in clause (i) above; provided, that the provisions of
    clauses (y) and (z) of this Section 3(b)(ii) shall apply only if one or
    more Participating Broker-Dealers holding at least $10,000,000 principal
    amount of Registrable Securities shall request that the provisions of this 


<PAGE>

                                          8

    Agreement as they relate to a Shelf Registration also apply to an Exchange
    Offer Registration Statement for the disposition of Exchange Securities by
    Participating Broker-Dealers.

         4.   Liquidated Damages.

         In the event that, for any reason, either (i) the Exchange Offer
Registration Statement is not filed with the SEC on or prior to the 60th
calendar day following the Closing Time or (ii) the Exchange Offer is not
consummated or a Shelf Registration Statement is not declared effective on or
prior to the 180th calendar day following the Closing Time, the interest rate
borne by the Securities shall be increased by one-quarter of one percent per
annum for the first 30 days following such 60-day period in the case of (i)
above, or the first 90 days following such 180-day period in the case of (ii)
above.  Such interest rate will increase by an additional one-quarter of one
percent per annum at the beginning of each subsequent 30-day period in the case
of (i) above, or 90-day period in the case of (ii) above, up to a maximum
aggregate increase of one percent per annum.  Upon (x) the filing of the
Exchange Offer Registration Statement or (y) the consummation of the Exchange
Offer or the effectiveness of a Shelf Registration Statement, as the case may
be, the interest rate borne by the Securities will be reduced to the original
interest rate.

         5.   Registration Procedures.

         In connection with the obligations of the Company with respect to the
Registration Statement pursuant to Sections 2(a) and 2(b) hereof, the Company
shall:

         (a)  prepare and file with the SEC a Registration Statement on the
    appropriate form under the Securities Act, which form (x) shall be selected
    by the Company and (y) shall, in the case of a Shelf Registration, be
    available for the sale of the Registrable Securities in accordance with the
    intended method or methods of distribution as the Company is so advised of
    by the selling Holders thereof and (z) shall comply as to form in all
    material respects with the requirements of the applicable form and include
    (including through incorporation by reference) all financial statements
    required by the SEC to be filed therewith, and the Company shall use its
    best efforts to cause such Registration Statement to become effective and
    remain effective in accordance with Section 2 hereof;

         (b)  prepare and file with the SEC such amendments and post-effective
    amendments to such Registration Statement as may be necessary to keep such
    Registration Statement in compliance with the Securities Act; and cause the
    Prospectus to be supplemented by any required prospectus supplement, and as
    so supplemented to be filed pursuant to Rule 424 under the Securities Act; 

         (c)  in the case of a Shelf Registration, furnish to each Holder of
    Registrable Securities and to each underwriter of Registrable Securities,
    if any, without charge, as many copies of the Prospectus, including each
    preliminary 

<PAGE>

                                          9

    prospectus, and any amendment or supplement thereto and such other
    documents as such Holder or Underwriter may reasonably request, in order to
    facilitate the public sale or other disposition of the Registrable
    Securities;

         (d)  in the case of a Shelf Registration, use its best efforts to
    register or qualify the Registrable Securities under all applicable state
    securities or "blue sky" laws of such jurisdictions as any Holder of
    Registrable Securities covered by such Shelf Registration Statement and or
    any Underwriter shall reasonably request in writing by the time the
    applicable Shelf Registration Statement is declared effective by the SEC,
    and do any and all other acts and things which may be reasonably necessary
    or advisable to enable such Holder or Underwriter to consummate the
    disposition in each such designated jurisdiction, provided, however, that
    the Company shall not be required to (i) qualify generally to do business
    as a foreign corporation or as a broker-dealer in any jurisdiction where it
    would not otherwise be required to qualify but for this Section 5(d), (ii)
    consent to general service of process in any such jurisdiction or (iii)
    subject itself to taxation in any such jurisdiction;

         (e)  in the case of a Shelf Registration, promptly notify each Holder
    and, if requested by such Holder, confirm such advice in writing (i) when
    such Shelf Registration Statement has become effective and when any
    post-effective amendments and supplements thereto become effective, (ii) of
    the issuance by the SEC or any state securities authority of any stop order
    suspending the effectiveness of such Shelf Registration Statement or the
    initiation of any proceedings for that purpose, (iii) if, between the
    effective date of such Shelf Registration Statement and the closing of any
    sale of Registrable Securities covered thereby, the Company receives any
    notification with respect to the suspension of the qualification of the
    Registrable Securities for sale in any jurisdiction or the initiation of
    any proceeding for such purpose, and (iv) of the happening of any event
    during the period such Shelf Registration Statement is effective which
    makes any statement made in such Shelf Registration Statement or the
    related Prospectus untrue in any material respect or which requires the
    making of any changes in such Shelf Registration Statement or Prospectus in
    order to make the statements therein not misleading;

         (f)  make every reasonable effort to obtain the withdrawal of any
    order suspending the effectiveness of a Registration Statement promptly and
    shall provide notice to each Holder of the withdrawal of any such order as
    promptly as practicable;

         (g)  in the case of a Shelf Registration, furnish to each Holder of
    Registrable Securities, without charge, at least one conformed copy of such
    Shelf Registration Statement and any post-effective amendment thereto
    (without documents incorporated therein by reference or exhibits thereto,
    unless requested);

         (h)  in the case of a Shelf Registration, cooperate with the selling
    Holders of Registrable Securities to facilitate the timely preparation and
    delivery of certificates representing Registrable Securities to be sold and
    not bearing any restrictive legends; 

<PAGE>

                                          10

    and enable such Registrable Securities to be in such denominations and
    registered in such names as the selling Holders may reasonably request at
    least two business days prior to the closing of any sale of Registrable
    Securities;

         (i)  in the case of a Shelf Registration, upon the occurrence of any
    event contemplated by Section 5(e)(iv) hereof, use its best efforts to
    prepare a supplement or post-effective amendment to such Shelf Registration
    Statement or the related Prospectus or any document incorporated therein by
    reference or file any other required document so that, as thereafter
    delivered to the purchasers of the Registrable Securities, such Prospectus
    will not contain any untrue statement of a material fact or omit to state a
    material fact necessary to make the statements therein, in the light of the
    circumstances under which they were made, not misleading;

         (j)  in the case of a Shelf Registration Statement, enter into and
    deliver all such customary agreements, documents and take such other
    actions (including causing the delivery of opinions of counsel and
    "comfort" letters of independent certified public accountants) as are
    reasonably required to expedite or facilitate the disposition of
    Registrable Securities;

         (k)  in the case of a Shelf Registration, upon reasonable notice make
    available for inspection by a representative of the Holders of the
    Registrable Securities, any Underwriter participating in any disposition
    pursuant to such Shelf Registration Statement, and any attorney or
    accountant designated by the Selling Holders, at reasonable times and in a
    reasonable manner, all financial and other records, pertinent documents and
    properties of the Company, and cause the respective officers, directors and
    employees of the Company to supply all information reasonably requested by
    any such representative, Underwriter, attorney or accountant in connection
    with a Shelf Registration Statement; provided, however, that such
    representatives, attorneys or accountants shall be acceptable to the
    Company in its judgment reasonably exercised and shall agree to enter into
    a written confidentiality agreement mutually acceptable to the Company and
    the Underwriters regarding any records, information or documents that are
    designated by the Company as confidential unless such records, information
    or documents are available to the public or disclosure of such records,
    information or documents is required by court or administrative order after
    the exhaustion of appeals therefrom and to use such information obtained
    pursuant to this provision only in connection with the transaction for
    which such information was obtained, and not for any other purpose;

         (1)  in the case of a Shelf Registration, provide copies of any
    Prospectus, any amendment to any applicable Shelf Registration Statement or
    amendment or supplement to any Prospectus or any document which is to be
    incorporated by reference into such Shelf Registration Statement or any
    Prospectus after initial filing of such Shelf Registration Statement, a
    reasonable time prior to the filing of any such Prospectus, amendment,
    supplement or document, to the Initial Purchasers on behalf of the Holders
    and Underwriters, if any, and except with respect to a Shelf 

<PAGE>

                                          11

    Registration filed pursuant to Section 2(b)(iii) not file any such document
    in a form to which the Initial Purchasers on behalf of the Holders or
    Underwriters, if any, shall reasonably object; and make the representatives
    of the Company as shall be reasonably requested by the Holders or the
    Initial Purchasers on behalf of such Holders available for discussion of
    such document; provided that the requirements of this paragraph shall not
    apply to the Company's annual report on Form 10-K, its Quarterly Reports on
    Form 10-Q, its current reports on Form 8-K or any other documents filed
    pursuant to Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act (the
    "Exchange Act Documents"); and further provided that the Company shall
    promptly notify Holders of the filing of any Exchange Act Documents except
    for such Exchange Act Documents specifically related to the offering of
    other securities and not to the Registrable Securities;

         (m)  obtain a CUSIP number for all Exchange Securities or Registrable
    Securities, as the case may be, not later than the effective date of any
    Registration Statement; and

         (n)  cause the Indenture to be qualified under the Trust Indenture Act
    of 1939, as amended (the "TIA"), in connection with the registration of the
    Exchange Debentures, cooperate with the Trustee and the Holders to effect
    such changes to the Indenture as may be required for the Indenture to be so
    qualified in accordance with the terms of the TIA and execute, and use its
    best efforts to cause the Trustee to execute, all documents as may be
    required to effect such changes, and all other forms and documents required
    to be filed with the SEC to enable the Indenture to be so qualified in a
    timely manner.

         In the case of a Shelf Registration Statement, the Company may (as a
condition to such Holder's participation in a Shelf Registration) require each
Holder to furnish to the Company information regarding the Holder and the
proposed distribution by such Holder of any Registrable Securities as the
Company may from time to time reasonably request in writing.

         In the case of a Shelf Registration Statement, each Holder agrees
that, upon receipt of any (i) notice from the Company of the happening of any
event of the kind described in Section 5(e)(ii) or (iv) hereof, (ii) notice from
the Company that it is in possession of material information that has not been
disclosed to the public and the Company reasonably deems it to be advisable not
to disclose such information in a registration statement or (iii) notice from
the Company that it is in the process of a registered offering of securities and
the Company reasonably deems it to be advisable to temporarily discontinue
disposition of Registrable Securities pursuant to the Shelf Registration
Statement (in each case, such notice being hereinafter referred to as a
"Suspension Notice"), such Holder will forthwith discontinue disposition of
Registrable Securities pursuant to any Shelf Registration Statement and shall
not be entitled to the benefits provided under Section 6 hereof with respect to
any sales made by it in contravention of this paragraph, until such Holder's
receipt 


<PAGE>

                                          12

of the copies of the supplemented or amended Prospectus contemplated by Section
5(i) or a notice in accordance with Section 5(f) hereof that any order
suspending the effectiveness of the Shelf Registration Statement has been
withdrawn, or, in the case of (ii) or (iii) above, until further notice from the
Company that disposition of Registrable Securities may resume, provided that
(except with respect to a Shelf Registration filed pursuant to Section
2(b)(iii)) such further notice will be given within 90 days of the Suspension
Notice in the case of (ii) above and within 120 days of the Suspension Notice in
the case of (iii) above, and provided further that in the case of (ii) and (iii)
above that any Suspension Notice must be based upon a good faith determination
of the Board of Directors of the Company or the Executive Committee thereof that
such Notice is necessary; and, if so directed by the Company, such Holder will
deliver to the Company (at the expense of the Company) all copies in its
possession, other than permanent file copies then in such Holder's possession,
of the Prospectus covering such Registrable Securities current at the time of
receipt of such notice.  If the Company shall give any such notice to suspend
the disposition of Registrable Securities pursuant to any Shelf Registration
Statement, the Company shall extend the period during which such Shelf
Registration Statement shall be maintained effective pursuant to this Agreement
by the number of days during the period from and including the date of the
giving of such notice to and including the date when the Holders shall have
received copies of the supplemented or amended Prospectus necessary to resume
such dispositions or received notice that any order suspending dispositions of
the Securities has been withdrawn.

         Each Holder will furnish to the Company such information regarding
such Holder and the distribution of such Registrable Securities as the Company
may from time to time reasonably request in writing, but only to the extent that
such information is required in order to comply with the Securities Act or any
relevant state securities or Blue Sky law or obligation.  Each Holder of
Registrable Securities as to which any registration is being effected agrees to
notify the Company as promptly as practicable of any inaccuracy or change in
information previously furnished by such Holder to the Company or of the
happening of any event, in either case as a result of which any Prospectus
relating to such registration contains an untrue statement of a material fact
regarding such Holder or the distribution of such Registrable Securities or
omits to state any material fact regarding such Holder or the distribution of
such Registrable Securities required to be stated therein or necessary to make
the statements therein, in the light of the circumstances under which they were
made, not misleading, and to furnish to the Company promptly any additional
information required to correct and update any previously furnished information
or required such that such prospectus shall not contain, with respect to such
holder or the distribution of such Registrable Securities, an untrue statement
of a material fact or omit to state a material fact required to be stated
therein or necessary to make the statements therein, in the light of the
circumstances under which they were made, not misleading.

         6.   Indemnification; Contribution.

         (a)  The Company agrees to indemnify and hold harmless each Holder and
each Person, if any, who controls any Holder within the meaning of Section 15 of
the Securities Act as follows:


<PAGE>

                                          13

         (i)  against any and all loss, liability, claim, damage and expense
    whatsoever, as incurred, arising out of any untrue statement or alleged
    untrue statement of a material fact contained in any Shelf Registration
    Statement (or any amendment thereto) pursuant to which Registrable
    Securities were registered under the Securities Act, including all
    documents incorporated therein by reference, or the omission or alleged
    omission therefrom of a material fact necessary to make the statements
    therein, in the light of the circumstances under which they were made, not
    misleading or arising out of any untrue statement or alleged untrue
    statement of a material fact contained in any preliminary prospectus or any
    Prospectus (or any amendment or supplement thereto) or the omission or
    alleged omission therefrom of a material fact necessary in order to make
    the statements therein, in light of the circumstances under which they were
    made, not misleading;

         (ii) against any and all loss, liability, claim, damage and expense
    whatsoever, as incurred, to the extent of the aggregate amount paid in
    settlement of any litigation, or investigation or proceeding by any
    governmental agency or body, commenced or threatened, or of any claim
    whatsoever based upon any such untrue statement or omission, or any such
    alleged untrue statement or omission, if such settlement is effected with
    the written consent of the Company; and

         (iii)     against any and all expense whatsoever, as incurred 
    (including fees and disbursements of counsel chosen by any Holder),
    reasonably incurred in investigating, preparing or defending against any
    litigation, or  investigation or proceeding by any governmental agency or
    body, commenced or threatened, or any claim whatsoever based upon any such
    untrue statement or omission, or any such alleged untrue statement or
    omission, to the extent that any such expense is not paid under
    subparagraph (i) or (ii) above;

provided, however, that this indemnity does not apply to any loss, claim,
damage, liability or expense to the extent it arises out of an untrue statement
or omission or alleged untrue statement or omission made in reliance upon and in
conformity with written information furnished to the Company by any Holder
expressly for use in a Registration Statement (or any amendment thereto) or any
Prospectus (or any amendment or supplement thereto).

         The foregoing indemnity with respect to any untrue statement contained
in or any omission from a preliminary prospectus shall not inure to the benefit
of any Holder (or any Person controlling such Holder) from whom the Person
asserting any such loss, liability, claim, damage or expense purchased any of
the Securities that are the subject thereof if the Company shall sustain the
burden of proving that such Person was not sent or given a copy of the
Prospectus (or the Prospectus as amended or supplemented) (in each case
exclusive of the documents from which information is incorporated by reference)
at or prior to the written confirmation of the sale of such Securities to such
Person and the untrue statement contained in or the omission from such
preliminary prospectus was corrected in the Prospectus (or the Prospectus as
amended or supplemented).

<PAGE>

                                          14

         (b)  Each Holder severally agrees to indemnify and hold harmless the
Company, its directors, officers and each Person, if any, who controls the
Company within the meaning of Section 15 of the Securities Act, against any and
all loss, liability, claim, damage and expense described in the indemnity
contained in Section 6(a) hereof, as incurred, but only with respect to untrue
statements or omissions, or alleged untrue statements or omissions, made in the
Registration Statement (or any amendment thereto) or any Prospectus (or any
amendment or supplement thereto) in reliance upon and in conformity with written
information furnished to the Company by such Holder expressly for use in the
Registration Statement (or any amendment thereto) or such Prospectus (or any
amendment or supplement thereto).

         (c)  Each indemnified party shall give prompt notice to each
indemnifying party of any action commenced against it in respect of which
indemnity may be sought hereunder, but failure to so notify an indemnifying
party shall not relieve it from any liability which it may have otherwise than
under this indemnity agreement.  An indemnifying party may participate at its
own expense in the defense of such action; provided, however, that counsel to
the indemnifying party shall not (except with the consent of the indemnified
party) also be counsel to the indemnified party.  In no event shall the
indemnifying party or parties be liable for the fees and expenses of more than
one counsel for all indemnified parties in connection with any one action or
separate but similar or related actions in the same jurisdiction, arising out of
the same general allegations or circumstances.

         (d)  In order to provide for just and equitable contribution in
circumstances in which the indemnity agreement provided for in this Section 6 is
for any reason held to be unenforceable by the indemnified parties although
applicable in accordance with its terms, the Company and the Holders shall
contribute to the aggregate losses, liabilities, claims, damages and expenses of
the nature contemplated by such indemnity agreement incurred by the Company and
one or more of the Holders; provided, however, that no Person guilty of
fraudulent misrepresentation (within the meaning of Section 11(f) of the
Securities Act) shall be entitled to contribution from any Person who was not
guilty of such fraudulent misrepresentation.  As between the Company and the
Holders, such parties shall contribute to the aggregate losses, liabilities,
claims, damages and expenses of the nature contemplated by such indemnity
agreement in such proportion as shall be appropriate to reflect (i) the relative
benefits received by the Company on the one hand and the Holders on the other
hand, from the offering of the Exchange Securities or Registrable Securities
included in such offering, and (ii) the relative fault of the Company on the one
hand and the Holders on the other, with respect to the statements or omissions
which resulted in such loss, liability, claim, damage or expense, or action in
respect thereof, as well as any other relevant equitable considerations.  The
Company and the Holders of the Registrable Securities agree that it would not be
just and equitable if contribution pursuant to this Section 6 were to be
determined by pro rata allocation or by any other method of allocation which
does not take into account the relevant equitable considerations.  For purposes
of this Section 6, each Person, if any, who controls a Holder within the meaning
of Section 15 of the Securities Act shall have the same rights to contribution
as such Holder, and each director of the Company, 

<PAGE>

                                          15

each officer of the Company who signed the Registration Statement, and each
Person, if any, who controls the Company within the meaning of Section 15 of the
Securities Act shall have the same rights to contribution as the Company.

         7.   Selection of Underwriters.  The Holders of Registrable Securities
covered by the Shelf Registration Statement who desire to do so may sell such
Registrable Securities in an Underwritten Offering.  In any such Underwritten
Offering, the investment banker or investment bankers and manager or managers
(the "Underwriters") that will administer the offering will be selected by the
Majority Holders of the Registrable Securities included in such offering;
provided that such Underwriters must be reasonably acceptable to the Company and
of a reputation comparable to that of the Initial Purchasers.

         8.   Miscellaneous.

         (a)  No Inconsistent Agreements.  The Company has not entered into nor
will the Company on or after the date of this Agreement enter into any agreement
which is inconsistent with the rights granted to the Holders in this Agreement
or otherwise conflicts with the provisions hereof.  The rights granted to the
Holders hereunder do not in any way conflict with and are not inconsistent with
the rights granted to the holders of the Company's other issued and outstanding
securities under any such agreements.

         (b)  Amendments and Waivers.  The provisions of this Agreement,
including the provisions of this sentence, may not be amended, modified or
supplemented, and waivers or consents to departures from the provisions hereof
may not be given unless the Company has obtained the written consent of Holders
of at least a majority of the issued and outstanding Registrable Securities
affected by such amendment, modification, supplement, waiver or departure;
provided, however, no amendment, modification or supplement, waiver or consent
with respect to the provisions of Section 6 hereof shall be effective as against
any Holder of Registrable Securities unless consented to in writing by such
Holder.

         (c)  Notices.  All notices and other communications provided for or
permitted hereunder shall be made in writing by hand delivery, registered
first-class mail, telex, telecopier, or any courier guaranteeing overnight
delivery (i) if to a Holder, at the most current address given by such Holder to
the Company by means of a notice given in accordance with the provisions of this
Section 8(c); (ii) if to the Company, initially at One Media Crossways,
Woodbury, New York 11797, Attention:  General Counsel, and thereafter at such
other address, notice of which is given in accordance with the provisions of
this Section 8(c).

         All such notices and communications shall be deemed to have been duly
given: at the time delivered by hand, if personally delivered; five business
days after being deposited in the mail, postage prepaid, if mailed; when
answered back, if telexed; when receipt is acknowledged, if telecopied; and on
the next business day if timely delivered to any courier guaranteeing overnight
delivery.

<PAGE>

                                          16

         Copies of all such notices, demands, or other communications shall be
concurrently delivered by the Person giving the same to the Trustee at The Bank
of New York, Corporate Trust Department, 101 Barclay Street, 21st Floor, New
York, New York 10286, Attention:  Lucille Firrincieli.

         (d)  Successors and Assigns.  This Agreement shall inure to the
benefit of and be binding upon the successors, assigns and transferees of each
of the parties, including, without limitation and without the need for an
express assignment, subsequent Holders; provided that nothing herein shall be
deemed to permit any assignment, transfer or other disposition of Registrable
Securities in violation of the terms of the Purchase Agreement.  If any
transferee of any Holder shall acquire Registrable Securities, in any manner,
whether by operation of law or otherwise, such Registrable Securities shall be
held subject to all of the terms of this Agreement, and by taking and holding
such Registrable Securities such Person shall be conclusively deemed to have
agreed to be bound by and to perform all of the terms and provisions of this
Agreement and such Person shall be entitled to receive the benefits hereof.

         (e)  Enforcement by Initial Purchasers.  The Initial Purchasers shall
have the right to directly enforce the agreements made hereunder between the
Company, on the one hand, and the Holders, on the other hand, to the extent they
deem such enforcement necessary or advisable to protect their rights or the
rights of Holders hereunder, provided, however, that such right of direct
enforcement shall terminate upon consummation of an Exchange Offer.

         (f)  Counterparts.  This Agreement may be executed in any number of
counterparts and by the parties hereto in separate counterparts, each of which
when so executed shall be deemed to be an original and all of which taken
together shall constitute one and the same agreement.

         (g)  Headings.  The headings in this Agreement are for convenience of
reference only and shall not limit or otherwise affect the meaning hereof.

         (h)  Governing Law.  This Agreement shall be governed by and construed
in accordance with the laws of the State of New York.

         (i)  Severability.  In the event that any one or more of the
provisions contained herein, or the application thereof in any circumstance, is
held invalid, illegal or unenforceable, the validity, legality and
enforceability of any such provision in every other respect and of the remaining
provisions contained herein shall not be affected or impaired thereby.



<PAGE>

                                          17



         IN WITNESS WHEREOF, the parties have executed this Agreement as of the 
date first written above.



                        CABLEVISION SYSTEMS CORPORATION


                        By:___________________________________________________
                             Name:
                             Title:


Confirmed and accepted as of
     the date first above written:


BEAR, STEARNS & CO. INC.



     By_________________________________
    Name:
    Title:
         

MERRILL LYNCH & CO.
       Merrill Lynch, Pierce, Fenner & Smith Incorporated



    By__________________________________
    Name:
    Title:


MORGAN STANLEY & CO. INCORPORATED



    By__________________________________
    Name:
    Title:


    

<PAGE>

                                                                     Exhibit 4.2

                                                                  EXECUTION COPY

- --------------------------------------------------------------------------------






                           CABLEVISION SYSTEMS CORPORATION,

                                       Issuer,


                                          to


                                THE BANK OF NEW YORK,

                                       Trustee





                               -----------------------


                                      Indenture

                             Dated as of August 15, 1997


                               -----------------------

                                     $400,000,000

                           8 1/8% Senior Debentures due 2009

                      8 1/8% Series B Senior Debentures due 2009


- --------------------------------------------------------------------------------

<PAGE>

                  Reconciliation and tie between Trust Indenture Act
                  of 1939 and Indenture, dated as of August 15, 1997



Trust Indenture
  Act Section                                             Indenture Section


Section  310(a)(1)     .................................... 608
            (a)(2)     .................................... 608
            (b)        .................................... 607, 609
Section  311(a)        .................................... 612
            (b)        .................................... 612
Section  312(a)        .................................... 607
            (b)        .................................... 607
            (c)        .................................... 701
Section  313           .................................... 702
Section  314(a)        .................................... 703
            (a)(4)     .................................... 1013
            (c)(1)     .................................... 103
            (c)(2)     .................................... 103
            (e)        .................................... 103
Section  315(b)        .................................... 601
Section  316(a)(last   
            sentence)  .................................... 101 ("Outstanding")
            (a)(1)(A)  .................................... 502, 512
            (a)(1)(B)  .................................... 513
            (b)        .................................... 508
            (c)        .................................... 105(d)
Section  317(a)(1)     .................................... 503
            (a)(2)     .................................... 504
            (b)        .................................... 1003
Section  318(a)        .................................... 108






- --------------------------
Note:    This reconciliation and tie shall not, for any purpose, be deemed to
         be a part of this Indenture. 

<PAGE>

                                   TABLE OF CONTENT


                                                            Page

                                     ARTICLE ONE

DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION

Section 101.  Definitions...................................  1
        Acquired Indebtedness...............................  2
        Affiliate...........................................  2
        Agent Members.......................................  2
        Annualized Operating Cash Flow......................  2
        Average Life........................................  2
        Bank Credit Agreement...............................  2
        Banks...............................................  3
        Board of Directors..................................  3
        Board Resolution....................................  3
        Book-Entry Security.................................  3
        Business Day........................................  3
        Capital Stock.......................................  3
        Capitalized Lease Obligation........................  3
        Cash Flow Ratio.....................................  3
        CNYC Agreement......................................  3
        Commission..........................................  4
        Common Stock........................................  4
        Company.............................................  4
        Company Request or Company Order....................  4
        Consolidated Net Tangible Assets....................  4
        Corporate Trust Office..............................  4
        corporation.........................................  4
        Cumulative Cash Flow Credit.........................  4
        Cumulative Interest Expense.........................  5
        Debt................................................  5
        Default.............................................  6
        Depository..........................................  6
        Disqualified Stock..................................  6
        Event of Default....................................  6
        Exchange Act........................................  6
        Exchange Offer......................................  6
        Exchange Offer Registration Statement...............  6
        Exchange Securities.................................  6





- ---------------------------

NOTE:    This table of contents shall not, for any purpose, be deemed to be a 
         part of this Indenture.
 
<PAGE>

                                          ii               Page


        generally accepted accounting principles............  6
        Global Security.....................................  7
        guarantee...........................................  7
        Holder..............................................  7
        Indebtedness........................................  7
        Indenture...........................................  7
        Initial Purchasers..................................  8
        Initial Securities..................................  8
        Interest Payment Date...............................  8
        Interest Swap Obligations...........................  8
        Investment..........................................  8
        Lease...............................................  8
        Letter of Credit....................................  8
        Lien................................................  8
        Mandatorily Redeemable Preferred Stock..............  9
        Maturity............................................  9
        Officers' Certificate...............................  9
        Operating Cash Flow.................................  9
        Opinion of Counsel..................................  9
        Outstanding......................................... 10
        Paying Agent........................................ 10
        Permitted Liens..................................... 10
        Person.............................................. 13
        Physical Security................................... 13
        Predecessor Security................................ 13
        Preferred Stock..................................... 13
        Qualified Institutional Buyer or QIB................ 13
        Receivables and Related Assets...................... 13
        Refinancing Indebtedness............................ 13
        Registered Securities............................... 14
        Registration Rights Agreement....................... 14
        Regular Record Date................................. 14
        Regulation S Global Security........................ 14
        Responsible Officer................................. 14
        Restricted Payment.................................. 14
        Restricted Security................................. 15
        Restricted Subsidiary............................... 15
        Rule 144A Global Security........................... 16
        Securities Act...................................... 16
        Securities Issue Date............................... 16
        Securitization Subsidiary........................... 16
        Security" and "Securities........................... 16
        Security Register and Security Registrar............ 16
        Senior Indebtedness................................. 16
 
<PAGE>

                                         iii                      Page


        Shelf Registration Statement............................... 17
        Special Record Date........................................ 17
        Stated Maturity............................................ 17
        Stock Payment.............................................. 17
        subsidiary................................................. 17
        Subsidiary................................................. 17
        Trust Indenture Act........................................ 17
        Trustee.................................................... 17
        Unrestricted Subsidiary.................................... 18
        Voting Stock............................................... 18
Section 102.  Other Definitions.................................... 18
Section 103.  Compliance Certificates and Opinions................. 18
Section 104.  Form of Documents Delivered to Trustee............... 19
Section 105.  Acts of Holders...................................... 20
Section 106.  Notices, Etc. to Trustee and Company................. 21
Section 107.  Notice to Holders; Waiver............................ 21
Section 108.  Conflict of Any Provision of Indenture with Trust 
               Indenture Act....................................... 22
Section 109.  Effect of Headings and Table of Contents............. 22
Section 110.  Successors and Assigns............................... 22
Section 111.  Separability Clause.................................. 22
Section 112.  Benefits of Indenture................................ 22
Section 113.  Governing Law........................................ 23
Section 114.  Legal Holidays....................................... 23
Section 115.  No Recourse Against Others........................... 23

                                     ARTICLE TWO

                                    SECURITY FORMS

Section 201.  Forms Generally; Incorporation of Form in Indenture.. 23
Section 202.  Form of Face of Security............................. 24
Section 203.  Form of Reverse of Security.......................... 26
Section 204.  Form of Trustee's Certificate of Authentication...... 30
Section 205.  Form of Legend on Restricted Securities.............. 31
Section 206.  Form of Legend for Book-Entry Securities............. 32

                                    ARTICLE THREE

                                    THE SECURITIES

Section 301.  Title and Terms...................................... 33
Section 302.  Denominations........................................ 33
Section 303.  Execution, Authentication, Delivery and Dating....... 34
Section 304.  Temporary Securities................................. 35


<PAGE>

                                          iv                         Page



Section 305.  Registration, Registration of Transfer and Exchange..... 36
Section 306.  Mutilated, Destroyed, Lost and Stolen Securities........ 37
Section 307.  Payment of Interest; Interest Rights Preserved.......... 38
Section 308.  Persons Deemed Owners................................... 39
Section 309.  Cancellation............................................ 39
Section 310.  Computation of Interest................................. 40
Section 311.  Registration Rights of Holders of Initial Securities.... 40
Section 312.  CUSIP Numbers........................................... 40
Section 313.  Book-Entry Provisions for Global Securities............. 40
Section 314.  Special Transfer Provisions............................. 42

                                     ARTICLE FOUR

                              SATISFACTION AND DISCHARGE

Section 401.  Satisfaction and Discharge of Indenture................. 45
Section 402.  Application of Trust Money.............................. 46

                                     ARTICLE FIVE

                                       REMEDIES

Section 501.  Events of Default....................................... 46
Section 502.  Acceleration of Maturity; Rescission.................... 48
Section 503.  Collection of Indebtedness and Suits for Enforcement by
               Trustee................................................ 49
Section 504.  Trustee May File Proofs of Claim........................ 50
Section 505.  Trustee May Enforce Claims Without Possession of 
               Securities............................................. 51
Section 506.  Application of Money Collected.......................... 51
Section 507.  Limitation on Suits..................................... 51
Section 508.  Unconditional Right of Holders to Receive Principal
               and Interest........................................... 52
Section 509.  Restoration of Rights and Remedies...................... 52
Section 510.  Rights and Remedies Cumulative.......................... 53
Section 511.  Delay or Omission Not Waiver............................ 53
Section 512.  Control by Holders...................................... 53
Section 513.  Waiver of Past Defaults................................. 53
Section 514.  Undertaking for Costs................................... 54
Section 515.  Waiver of Stay, Extension or Usury Laws................. 54


<PAGE>

                                          v                             Page
                                                     
                                     ARTICLE SIX

                                     THE TRUSTEE

Section 601.  Notice of Defaults.......................................... 55
Section 602.  Certain Rights of Trustee................................... 55
Section 603.  Not Responsible for Recitals or Issuance of Securities...... 56
Section 604.  May Hold Securities......................................... 57
Section 605.  Money Held in Trust......................................... 57
Section 606.  Compensation and Reimbursement.............................. 57
Section 607.  Conflicting Interests....................................... 58
Section 608.  Corporate Trustee Required; Eligibility..................... 58
Section 609.  Resignation and Removal; Appointment of Successor........... 58
Section 610.  Acceptance of Appointment by Successor...................... 60
Section 611.  Merger, Conversion, Consolidation or Succession to 
               Business................................................... 60
Section 612.  Preferential Collection of Claims Against Company........... 61

                                    ARTICLE SEVEN

                  HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY

Section 701.  Disclosure of Names and Addresses of Holders................ 61
Section 702.  Reports by Trustee.......................................... 61
Section 703.  Reports by Company.......................................... 61

                                    ARTICLE EIGHT

                 CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE

Section 801.  Company May Consolidate, Etc., Only on Certain Terms........ 62
Section 802.  Successor Substituted....................................... 63

                                     ARTICLE NINE

                               SUPPLEMENTAL INDENTURES

Section 901.  Supplemental Indentures Without Consent of Holders.......... 63
Section 902.  Supplemental Indentures with Consent of Holders............. 64
Section 903.  Execution of Supplemental Indentures........................ 65
Section 904.  Effect of Supplemental Indentures........................... 65
Section 905.  Conformity with Trust Indenture Act......................... 65
Section 906.  Reference in Securities to Supplemental Indentures.......... 66


                                     ARTICLE TEN

<PAGE>

                                          vi                              Page


                                      COVENANTS

Section 1001.  Payment of Principal and Interest............................ 66
Section 1002.  Maintenance of Office or Agency.............................. 66
Section 1003.  Money for Security Payments to Be Held in Trust.............. 67
Section 1004.  Corporate Existence.......................................... 68
Section 1005.  Payment of Taxes and Other Claims............................ 68
Section 1006.  Maintenance of Properties.................................... 68
Section 1007.  Limitation on Indebtedness................................... 69
Section 1008.  Limitation on Liens.......................................... 69
Section 1009.  Limitation on Restricted Payments............................ 69
Section 1010.  Limitation on Investments in Unrestricted Subsidiaries and
       Affiliates........................................................... 71
Section 1011.  Transactions with Affiliates................................. 71
Section 1012.  Provision of Financial Statements............................ 71
Section 1013.  Statement as to Compliance................................... 72
Section 1014.  Waiver of Certain Covenants.................................. 72

                                    ARTICLE ELEVEN

                               REDEMPTION OF SECURITIES

Section 1101.  No Right of Redemption....................................... 73

                                    ARTICLE TWELVE

                          DEFEASANCE AND COVENANT DEFEASANCE

Section 1201.  Option to Effect Defeasance or Covenant Defeasance........... 73
Section 1202.  Defeasance and Discharge..................................... 73
Section 1203.  Covenant Defeasance.......................................... 74
Section 1204.  Conditions to Defeasance or Covenant Defeasance.............. 74
Section 1205.  Deposited Money and U.S. Government Obligations to Be Held 
       in Trust; Other Miscellaneous Provisions............................. 76
Section 1206.  Reinstatement................................................ 77


TESTIMONIUM................................................................. 73

SIGNATURES AND SEALS........................................................ 73

ACKNOWLEDGMENTS............................................................. 73




<PAGE>

                                         vii                               Page


EXHIBIT A               List of Restricted Subsidiaries
EXHIBIT B               Form of Registration Rights Agreement


<PAGE>
                                                

         INDENTURE dated as of August 15, 1997 between Cablevision Systems 
Corporation, a Delaware corporation (hereinafter called the "Company"), and 
The Bank of New York, a state banking corporation duly incorporated and 
existing under the laws of the State of New York, trustee (hereinafter called 
the "Trustee").

                            RECITALS OF THE COMPANY

         The Company has duly authorized the creation of an issue of its 
8 1/8% Senior Debentures due 2009 (hereinafter called the "Initial 
Securities") and its 8 1/8% Series B Senior Debentures due 2009 (the "Exchange 
Securities," and together with the Initial Securities, the "Securities"), of 
substantially the tenor and amount hereinafter set forth, and to provide 
therefor the Company has duly authorized the execution and delivery of this 
Indenture;

         Upon the issuance of the Exchange Securities, if any, or the 
effectiveness of the Exchange Offer Registration Statement (as defined 
herein) or, under certain circumstances, the effectiveness of the Shelf 
Registration Statement (as defined herein), this Indenture will be subject 
to, and shall be governed by, the provisions of the Trust Indenture Act that 
are required to be part of this Indenture and shall to the extent applicable 
be governed by such provisions. 

                   NOW, THEREFORE, THIS INDENTURE WITNESSETH:

         For and in consideration of the premises and the purchase of the 
Securities by the Holders thereof, it is mutually covenanted and agreed, for 
the equal and proportionate benefit of all Holders of the Securities, as 
follows:

                                  ARTICLE ONE

            DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION

         Section 101.  Definitions.

         For all purposes of this Indenture, except as otherwise expressly 
    provided or unless the context otherwise requires:

         (a)  the terms defined in this Article have the meanings assigned to 
    them in this Article and include the plural as well as the singular;

         (b)  all other terms used herein which are defined in the Trust 
    Indenture Act, either directly or by reference therein, have the meanings 
    assigned to them therein;

<PAGE>

                                      2

         (c)  all accounting terms not otherwise defined herein have the 
    meanings assigned to them in accordance with generally accepted 
    accounting principles and except as otherwise herein expressly provided, 
    the term "generally accepted accounting principles" with respect to any 
    computation required or permitted hereunder shall mean such accounting 
    principles as are generally accepted in the United States as of the date 
    hereof; and

         (d)  the words "herein", "hereof" and "hereunder" and other words of
    similar import refer to this Indenture as a whole and not to any particular
    Article, Section or other subdivision.

         "Acquired Indebtedness" means Indebtedness of a Person (a) existing 
at the time such Person is merged with or into the Company or a Subsidiary or 
becomes a Subsidiary or (b) assumed in connection with the acquisition of 
assets from such Person.

         "Affiliate" means, with respect to any specified Person, any other 
Person directly or indirectly controlling or controlled by or under direct or 
indirect common control with such specified Person.  For the purposes of this 
definition, "control" when used with respect to any specified Person means 
the power to direct the management and policies of such Person, directly or 
indirectly, whether through the ownership of voting securities, by contract 
or otherwise; and the terms "controlling" and "controlled" have meanings 
correlative to the foregoing.

         "Agent Members" shall have the meaning set forth in Section 313.

         "Annualized Operating Cash Flow" means, for any period of three 
complete consecutive calendar months, an amount equal to Operating Cash Flow 
for such period multiplied by four.

         "Average Life" means, at any date of determination with respect to 
any debt security, the quotient obtained by dividing (i) the sum of the 
products of (a) the number of years from such date of determination to the 
dates of each successive scheduled principal payment of such debt security 
and (b) the amount of such principal payment by (ii) the sum of all such 
principal payments.

         "Bank Credit Agreement" means the Fifth Amended and Restated Credit 
Agreement, dated as of September 5, 1996, among the Company, the Restricted 
Subsidiaries party thereto, the Banks party thereto, Toronto Dominion 
(Texas), Inc. as agent for the Banks, and Bank of Montreal, Chicago Branch, 
The Bank of New York, The Bank of Nova Scotia, The Canadian Imperial Bank of 
Commerce and NationsBank of Texas, N.A., as co-agents for the Banks, as in 
effect on the date hereof and as such agreement may be amended or replaced 
from time to time.

<PAGE>

                                      3

         "Banks" means the lenders from time to time who are parties to the 
Bank Credit Agreement.

         "Board of Directors" means the board of directors of the Company or 
any duly authorized committee of such board.

         "Board Resolution" means a copy of a resolution certified by the 
Secretary or an Assistant Secretary of the Company to have been duly adopted 
by the Board of Directors and to be in full force and effect on the date of 
such certification and delivered to the Trustee.

         "Book-Entry Security" means a Security represented by a Global 
Security and registered in the name of the nominee of the Depository.

         "Business Day" means each Monday, Tuesday, Wednesday, Thursday and 
Friday that is not a day on which banking institutions in The City of New 
York are authorized or obligated by law, regulation or executive order to 
close.

         "Capital Stock" means, with respect to any Person, any and all 
shares, interests, participations or other equivalents (however designated) 
of such Person's capital stock whether now Outstanding or issued after the 
date of this Indenture, including, without limitation, all Common Stock, 
Preferred Stock and Disqualified Stock.

         "Capitalized Lease Obligation" means any obligation of a Person to 
pay rent or other amounts under a lease with respect to any property (whether 
real, personal or mixed) acquired or leased by such Person and used in its 
business that is required to be accounted for as a liability on the balance 
sheet of such Person in accordance with generally accepted accounting 
principles and the amount of such Capitalized Lease Obligation shall be the 
amount so required to be accounted for as a liability.

         "Cash Flow Ratio" means, as at any date, the ratio of (i) the sum of 
the aggregate outstanding principal amount of all Indebtedness of the Company 
and the Restricted Subsidiaries determined on a consolidated basis but 
excluding all Interest Swap Obligations entered into by the Company or any 
Restricted Subsidiary and one of the Banks outstanding on such date plus (but 
without duplication of Indebtedness supported by Letters of Credit) the 
aggregate undrawn face amount of all Letters of Credit outstanding on such 
date to (ii) Annualized Operating Cash Flow determined as at the last day of 
the most recent month for which financial information is available.

         "CNYC Agreement" means the Purchase and Reorganization Agreement, 
dated as of December 20, 1991, between the Company and Charles F. Dolan, as 
amended as of March 28, 1992 and as further amended from time to time.

<PAGE>

                                      4

         "Commission" means the Securities and Exchange Commission, as from 
time to time constituted, created under the Securities Exchange Act of 1934 
or, if at any time after  the execution of this instrument such Commission is 
not existing and performing the duties now assigned to it under the Trust 
Indenture Act, then the body performing such duties at such time.

         "Common Stock" means, with respect to any Person, any and all 
shares, interests and participations (however designated and whether voting 
or non-voting) in such Person's common equity, whether now Outstanding or 
issued after the date of this Indenture, and includes, without limitation, 
all series and classes of such common stock.

         "Company" means the Person named as the "Company" in the first 
paragraph of this instrument, until a successor Person shall have become such 
pursuant to the applicable provisions of this Indenture, and thereafter 
"Company" shall mean such successor Person.  To the extent necessary to 
comply with the requirements of the provisions of Trust Indenture Act 
Sections 310 through 317 as they are applicable to the Company, the term 
"Company" shall include any other obligor with respect to the Securities for 
the purposes of complying with such provisions.

         "Company Request" or "Company Order" means a written request or 
order signed in the name of the Company (i) by its Chairman, a Vice Chairman, 
its President or a Vice President and (ii) by its Treasurer, an Assistant 
Treasurer, its Secretary or an Assistant Secretary and delivered to the 
Trustee; provided, however, that such written request or order may be signed 
by any two of the officers or directors listed in clause (i) above in lieu of 
being signed by one of such officers or directors listed in such clause (i) 
and one of the officers listed in clause (ii) above.

         "Consolidated Net Tangible Assets" of any Person means, as of any 
date, (a) all amounts that would be shown as assets on a consolidated balance 
sheet of such Person and its Restricted Subsidiaries prepared in accordance 
with generally accepted accounting principles, less (b) the amount thereof 
constituting goodwill and other intangible assets as calculated in accordance 
with generally accepted accounting principles.

         "Corporate Trust Office" means the office of the Trustee at which at 
any particular time its corporate trust business shall be principally 
administered, which office at the date of execution of this Indenture is 
located at 101 Barclay Street, 21st Floor, New York, New York 10286.

         "corporation" includes corporations, associations, partnerships, 
limited liability companies, companies and business trusts.

         "Cumulative Cash Flow Credit" means the sum of

<PAGE>

                                      5


         (a)  cumulative Operating Cash Flow during the period commencing on 
    July 1, 1988 and ending on the last day of the most recent month preceding 
    the date of the proposed Restricted Payment for which financial information
    is available or, if cumulative Operating Cash Flow for such period is 
    negative, minus the amount by which cumulative Operating Cash Flow is less 
    than zero, plus

         (b)  the aggregate net proceeds received by the Company from the 
    issuance or sale (other than to a Restricted Subsidiary) of its Capital 
    Stock (other than Disqualified Stock) on or after January 1, 1992, plus

         (c)  the aggregate net proceeds received by the Company from the 
    issuance or sale (other than to a Restricted Subsidiary) of its Capital 
    Stock (other than Disqualified Stock) on or after January 1, 1992, upon the
    conversion of, or exchange for, Indebtedness of the Company or any 
    Restricted Subsidiary or from the exercise of any options, warrants or 
    other rights to acquire Capital Stock of the Company.

For purposes of this definition, the net proceeds in property other than cash 
received by the Company as contemplated by clauses (b) and (c) above shall be 
valued at the fair market value of such property (as determined by the Board 
of Directors, whose good faith determination shall be conclusive) at the date 
of receipt by the Company.

         "Cumulative Interest Expense" means, for the period commencing on 
July 1, 1988 and ending on the last day of the most recent month preceding 
the proposed Restricted Payment for which financial information is available, 
the aggregate of the interest expense of the Company and its Restricted 
Subsidiaries for such period, determined on a consolidated basis in 
accordance with generally accepted accounting principles, including interest 
expense attributable to Capitalized Lease Obligations.

         "Debt" with respect to any Person means, without duplication, any 
liability, whether or not contingent, (i) in respect of borrowed money or 
evidenced by bonds, notes, debentures or similar instruments or letters of 
credit (or reimbursement agreements in respect thereto), but excluding 
reimbursement obligations under any surety bond, (ii) representing the 
balance deferred and unpaid of the purchase price of any property (including 
pursuant to Capitalized Lease Obligations), except any such balance that 
constitutes a trade payable, (iii) under Interest Swap Agreements (as defined 
in the Bank Credit Agreement) entered into pursuant to the Bank Credit 
Agreement, (iv) under any other agreement related to the fixing of interest 
rates on any Indebtedness, such as an interest swap, cap or collar agreement 
(if and to the extent any of the foregoing liabilities would appear as a 
liability upon a balance sheet of such Person prepared on a consolidated 
basis in accordance with generally accepted accounting principles) or (v) 
guarantees of items of other Persons which would be included within this 
definition for such other Persons (whether or not the guarantee would appear 
on such balance sheet).  "Debt" does not include (i) Disqualified Stock, (ii) 
any liability for 

<PAGE>

                                      6

federal, state or other taxes owed or owing by such person or (iii) any 
accounts payable or other liability to trade creditors arising in the 
ordinary course of business (including guarantees thereof or instruments 
evidencing such liabilities).

         "Default" means any event that is, or after notice or passage of 
time or both would be, an Event of Default.

         "Depository" means, with respect to the Securities issued in the 
form of one or more Book-Entry Securities, The Depository Trust Company or 
another Person designated as Depository by the Company, which must be a 
clearing agency registered under the Exchange Act.

         "Disqualified Stock" means any Capital Stock of the Company or any 
Restricted Subsidiary which, by its terms (or by the terms of any security 
into which it is convertible or for which it is exchangeable), or upon the 
happening of any event, matures or is mandatorily redeemable, pursuant to a 
sinking fund obligation or otherwise, or is redeemable at the option of the 
holder thereof, in whole or in part, on or prior to the maturity date of the 
Securities.

         "Event of Default" has the meaning specified in Article Five.

         "Exchange Act" means the Securities Exchange Act of 1934, as amended.

         "Exchange Offer" means the offer by the Company to the Holders of 
the Initial Securities to exchange all of the Initial Securities for Exchange 
Securities, as provided for in the Registration Rights Agreement.
    
         "Exchange Offer Registration Statement" means the Exchange Offer 
Registration Statement as defined in the Registration Rights Agreement.

         "Exchange Securities" has the meaning stated in the first recital of 
this Indenture and refers to any Exchange Securities containing terms 
substantially identical to the Initial Securities (except that (i) such 
Exchange Securities shall not contain terms with respect to transfer 
restrictions and shall be registered under the Securities Act, and (ii) 
certain provisions relating to an increase in the stated rate of interest 
thereon shall be eliminated) that are issued and exchanged for the Initial 
Securities in accordance with the Exchange Offer, as provided for in the 
Registration Rights Agreement and this Indenture.

         "generally accepted accounting principles" or "GAAP" means generally 
accepted accounting principles in the United States, consistently applied, 
which are in effect as of the date hereof.

<PAGE>

                                      7

         "Global Security" means one or more Securities evidencing all or a 
part of the Securities to be issued as Book-Entry Securities, issued to the 
Depository in accordance with Section 303 and bearing the legend prescribed 
in Section 206 and, in the case of a Restricted Security, the legend 
prescribed in Section 205.

         "guarantee" means, as applied to any obligation, (i) a guarantee 
(other than by endorsement of negotiable instruments for collection in the 
ordinary course of business), direct or indirect, in any manner, of any part 
or all of such obligation or (ii) an agreement, direct or indirect, 
contingent or otherwise, providing assurance of the payment or performance 
(or payment of damages in the event of non-performance) of any part or all of 
such obligation, including, without limiting the foregoing, the payment of 
amounts drawn down by letters of credit. Notwithstanding anything herein to 
the contrary, a guarantee shall not include any agreement solely because such 
agreement creates a Lien on the assets of any Person. The amount of a 
guarantee shall be deemed to be the maximum amount of the obligation 
guaranteed for which the guarantor could be held liable under such guarantee.

         "Holder" means a Person in whose name a Security is registered in 
the Security Register.

         "Indebtedness" with respect to any Person, means the Debt of such 
Person; provided, however, that, with respect to the Company, the "Minimum 
Payment" or the "Preferred Payment", as defined in and pursuant to the CNYC 
Agreement,  payable by a Subsidiary and guaranteed by the Company as a result 
of the acquisition of Cablevision of NYC, shall not be deemed to be 
"Indebtedness" so long as the Company and such Subsidiary are permitted to 
make such payment in one or more classes of the Company's Capital Stock 
(other than Disqualified Stock) pursuant to the terms of the CNYC Agreement 
and the Company and the Restricted Subsidiaries are prohibited from making 
such payment in cash, debt securities, Disqualified Stock or any combination 
thereof pursuant to the terms of any mortgage, indenture, credit agreement or 
other instrument that secures or evidences Indebtedness for money borrowed or 
guaranteed by the Company or a Restricted Subsidiary in an aggregate amount 
of $10,000,000 or more; provided that, for purposes of the definition of 
"Indebtedness" (including the term "Debt" to the extent incorporated in such 
definition) and for purposes of the definition of Event of Default, the term 
"guarantee" shall not be interpreted to extend to a guarantee under which 
recourse is limited to the Capital Stock of an entity that is not a 
Restricted Subsidiary.

         "Indenture" means this instrument as originally executed (including 
all exhibits and schedules hereto) and as it may from time to time be 
supplemented or amended by one or more indentures supplemental hereto entered 
into pursuant to the applicable provisions hereof.

<PAGE>

                                      8

         "Initial Purchasers" means Bear, Stearns & Co. Inc., Merrill Lynch, 
Pierce, Fenner & Smith Incorporated and Morgan Stanley & Co. Incorporated. 

         "Initial Securities" has the meaning specified in the recitals to 
this Indenture.

         "Interest Payment Date" means the Stated Maturity of an installment 
of interest on the Securities.

         "Interest Swap Obligations" means, with respect to any Person, the 
obligations of such Person pursuant to any arrangement with any other Person 
whereby, directly or indirectly, such Person is entitled to receive from time 
to time periodic payments calculated by applying either a floating or a fixed 
rate of interest on a stated notional amount in exchange for periodic 
payments made by such Person calculated by applying a fixed or a floating 
rate of interest on the same notional amount.

         "Investment" means any advance, loan, account receivable (other than 
an account receivable arising in the ordinary course of business) or other 
extension of credit (excluding, however, accrued and unpaid interest in 
respect of any advance, loan or other extension of credit) or any capital 
contribution to (by means of transfers of property to others, or payments for 
property or services for the account or use of others, or otherwise), any 
purchase or ownership of any stocks, bonds, notes, debentures or other 
securities (including, without limitation, any interests in any partnership, 
joint venture or joint adventure) of, or any bank accounts with or guarantee 
of any Indebtedness or other obligations of, any Unrestricted Subsidiary or 
Affiliate that is not a Subsidiary; provided that (i) the term "Investment" 
shall not include any transaction that would otherwise constitute an 
Investment of the Company or a Subsidiary to the extent that the 
consideration provided by the Company or such Subsidiary in connection 
therewith shall consist of  of the Company (other than Disqualified Stock) 
and (ii) the term "guarantee" shall not be interpreted to extend to a 
guarantee under which recourse is limited to the Capital Stock of an entity 
that is not a Restricted Subsidiary.

         "Lease" means any capital lease, operating lease, equipment lease, 
real property lease or other lease.

         "Letter of Credit" means any letter of credit executed by a bank in 
favor of the Company as beneficiary.

         "Lien" means any lien, security interest, charge or encumbrance of 
any kind (including any conditional sale or other title retention agreement, 
any lease in the nature of a security interest and any agreement to give any 
security interest).   A Person shall be deemed to own subject to a Lien any 
property which such Person has acquired or holds subject to the 

<PAGE>

                                      9

interest of a vendor or lessor under a conditional sale agreement, capital 
lease or other title retention agreement.

         "Mandatorily Redeemable Preferred Stock" means the Company's Series 
H Redeemable Exchangeable Preferred Stock, Series M Redeemable Exchangeable 
Preferred Stock and any series of preferred stock of the Company issued in 
exchange for, or the proceeds of which are used to repurchase, redeem, 
defease or otherwise acquire, all or any portion of the Series H Redeemable 
Exchangeable Preferred Stock, Series M Redeemable Exchangeable Preferred 
Stock or any other Mandatorily Redeemable Preferred Stock.

         "Maturity" when used with respect to any Security means the date on 
which the principal of and interest on such Security becomes due and payable 
as therein or herein provided whether at the Stated Maturity, by declaration 
of acceleration or otherwise.

         "Officers' Certificate" means a certificate signed by (i) the 
Chairman, a Vice Chairman, the President, a Vice President or the Treasurer 
of the Company and (ii) the Secretary or an Assistant Secretary of the 
Company and delivered to the Trustee; provided, however, that such 
certificate may be signed by two of the officers or directors listed in 
clause (i) above in lieu of being signed by one of such officers or directors 
listed in such clause (i) and one of the officers listed in clause (ii) above.

         "Operating Cash Flow" means, for any period, the sum of the 
following for the Company and the Restricted Subsidiaries for such period, 
determined on a consolidated basis in accordance with generally accepted 
accounting principles (except for the amortization of deferred installation 
income which shall be excluded from the calculation of Operating Cash Flow 
for all purposes of this Indenture):  (i) aggregate operating revenues minus 
(ii) aggregate operating expenses (including technical, programming, sales, 
selling, general and administrative expenses and salaries and other 
compensation, net of amounts allocated to Affiliates, paid to any general 
partner, director, officer or employee of the Company or any Restricted 
Subsidiary, but excluding interest, depreciation and amortization and the 
amount of non-cash compensation in respect of the Company's employee 
incentive stock programs for such period (not to exceed in the aggregate for 
any calendar year 7% of the Operating Cash Flow for the previous calendar 
year) and, to the extent otherwise included in operating expenses, any losses 
resulting from a writeoff or writedown of Investments by the Company or any 
Restricted Subsidiary in Affiliates).  For purposes of determining Operating 
Cash Flow, there shall be excluded all management fees until actually paid to 
the Company or any Restricted Subsidiary in cash.

         "Opinion of Counsel" means a written opinion of counsel, who may be 
counsel for the Company, and who shall be acceptable to the Trustee.

<PAGE>

                                      10

         "Outstanding" when used with respect to Securities means, as of the 
date of determination, all Securities theretofore authenticated and delivered 
under this Indenture, except:

         (a)  Securities theretofore cancelled by the Trustee or delivered to 
    the Trustee for cancellation;

         (b)  Securities, or portions thereof, for whose payment or purchase 
    money in the necessary amount has been theretofore deposited with the 
    Trustee or any Paying Agent (other than the Company) in trust or set aside 
    and segregated in trust by the Company (if the Company shall act as its 
    own Paying Agent) for the Holders of such Securities;

         (c)  Securities, except to the extent provided in Sections 1202 and 
    1203, with respect to which the Company has effected defeasance or covenant
    defeasance as provided in Article Twelve; and

         (d)  Securities paid pursuant to Section 306, Securities in exchange 
    for or in lieu of which other Securities have been authenticated and 
    delivered pursuant to this Indenture, other than any such Securities in 
    respect of which there shall have been presented to the Trustee proof 
    satisfactory to it that such Securities are held by a bona fide purchaser 
    in whose hands the Securities are valid obligations of the Company;

provided, however, that, in determining whether the Holders of the requisite 
principal amount of Outstanding Securities have given any request, demand, 
direction, consent or waiver hereunder, Securities owned by the Company or 
any other obligor upon the Securities, or any Affiliate of the Company, or 
such other obligor, shall be disregarded and deemed not to be Outstanding, 
except that, in determining whether the Trustee shall be protected in relying 
upon any such request, demand, direction, consent or waiver, only Securities 
which the Trustee actually knows to be so owned shall be so disregarded.  
Securities so owned which have been pledged in good faith may be regarded as 
Outstanding if the pledgee establishes to the satisfaction of the Trustee the 
pledgee's right so to act with respect to such Securities and that the 
pledgee is not the Company or any other obligor upon the Securities or any 
Affiliate of the Company or such other obligor.

         "Paying Agent" means any Person authorized by the Company to pay the 
principal of or interest on any Securities on behalf of the Company.

         "Permitted Liens" means the following types of Liens:

         (a)  Liens existing on the date of this Indenture;

<PAGE>

                                      11

         (b)  Liens on shares of the Capital Stock of an entity that is not a
    Restricted Subsidiary, which Liens solely secure a guarantee by the Company
    or a Restricted Subsidiary, or both, of Indebtedness of such entity;

         (c)  Liens on Receivables and Related Assets (and proceeds thereof)
    securing only Indebtedness otherwise permitted to be incurred by a
    Securitization Subsidiary;

         (d)  Liens on shares of the Capital Stock of a Subsidiary securing
    Indebtedness under the Bank Credit Agreement or any renewal or replacement
    of the Bank Credit Agreement;

         (e)  Liens granted in favor of the Company or any Restricted 
    Subsidiary;

         (f)  Liens securing the Securities;

         (g)  Liens securing Acquired Indebtedness created prior to (and not in
    connection with or in contemplation of) the incurrence of such Indebtedness
    by the Company or a Restricted Subsidiary; provided that such Lien does not
    extend to any property or assets of the Company or any Restricted 
    Subsidiary other than the assets acquired in connection with the incurrence
    of such Acquired Indebtedness;

         (h)  Liens securing Interest Swap Obligations or "margin stock", as 
    defined in Regulations G and U of the Board of Governors of the Federal 
    Reserve System;

         (i)  statutory Liens of landlords and carriers, warehousemen, 
    mechanics, suppliers, materialmen, repairmen or other like Liens arising in
    the ordinary course of business of the Company or any Restricted Subsidiary
    and with respect to amounts not yet delinquent or being contested in good 
    faith by appropriate proceedings;

         (j)  Liens for taxes, assessments, government charges or claims not yet
    due or that are being contested in good faith by appropriate proceedings;

         (k)  zoning restrictions, easements, rights-of-way, restrictions and 
    other similar charges or encumbrances or minor defects in title not 
    interfering in any material respect with the business of the Company or any
    of its Restricted Subsidiaries;

         (l)  Liens arising by reason of any judgment, decree or order of any 
    court, arbitral tribunal or similar entity so long as any appropriate legal
    proceedings that may have been initiated for the review of such judgment, 
    decree or order shall not 

<PAGE>

                                      12

    have been finally terminated or the period within which such proceedings 
    may be initiated shall not have expired;

         (m)  Liens incurred or deposits made in the ordinary course of 
    business in connection with workers' compensation, unemployment insurance
    and other types of social security or similar legislation;

         (n)  Liens securing the performance of bids, tenders, Leases, 
    contracts, franchises, public or statutory obligations, surety, stay or 
    appeal bonds, or other similar obligations arising in the ordinary course 
    of business;

         (o)  Leases under which the Company or any Restricted Subsidiary is 
    the lessee or the lessor;

         (p)  purchase money mortgages or other purchase money liens (including
    without limitation any Capitalized Lease Obligations) upon any fixed or 
    capital assets acquired after the date of this Indenture, or purchase money
    mortgages (including without limitation Capitalized Lease Obligations) on 
    any such assets hereafter acquired or existing at the time of acquisition 
    of such assets, whether or not assumed, so long as (i) such mortgage or 
    lien does not extend to or cover any other asset of the Company or any 
    Restricted Subsidiary and (ii) such mortgage or lien secures the obligation
    to pay the purchase price of such asset, interest thereon and other charges
    incurred in connection therewith (or the obligation under such Capitalized 
    Lease Obligation) only;

         (q)  Liens securing reimbursement obligations with respect to 
    commercial letters of credit which encumber documents and other property 
    relating to such letters of credit and products and proceeds thereof;

         (r)  Liens encumbering deposits made to secure obligations arising 
    from statutory, regulatory, contractual, or warranty requirements of the 
    Company or any of its Restricted Subsidiaries, including rights of offset 
    and set-off;

         (s)  Liens to secure other Indebtedness; provided, however, that the
    principal amount of any Indebtedness secured by such Liens, together with 
    the principal amount of any Indebtedness refinancing any Indebtedness 
    incurred under this clause (s) as permitted by clause (t) below (and 
    successive refinancings thereof), may not exceed 15% of the Company's 
    Consolidated Net Tangible Assets as of the last day of the Company's most 
    recently completed fiscal year for which financial information is 
    available; and

<PAGE>

                                      13

         (t)  any extension, renewal or replacement, in whole or in part, of any
    Lien described in the foregoing clauses (a) through (s); provided that any 
    such extension, renewal or replacement shall be no more restrictive in any 
    material respect than the Lien so extended, renewed or replaced and shall 
    not extend to any additional property or assets.

         "Person" means any individual, corporation, partnership, joint 
venture, association, joint-stock company, trust, unincorporated organization 
or government or any agency or political subdivision thereof.

         "Physical Security" shall have the meaning set forth in Section 303.

         "Predecessor Security" of any particular Security means every 
previous Security evidencing all or a portion of the same debt as that 
evidenced by such particular Security; and, for the purposes of this 
definition, any Security authenticated and delivered under Section 306 in 
exchange for a mutilated security or in lieu of a lost, destroyed or stolen 
Security shall be deemed to evidence the same debt as the mutilated, lost, 
destroyed or stolen Security.

         "Preferred Stock" means, with respect to any Person, any and all 
shares, interests, participations or other equivalents (however designated) 
of such Person's preferred or preference stock, whether now Outstanding or 
issued after the date of this Indenture, and includes, without limitation, 
all classes and series of preferred or preference stock.

         "Qualified Institutional Buyer" or "QIB" shall have the meaning 
specified in Rule 144A under the Securities Act.

         "Receivables and Related Assets" means (i) accounts receivable, 
instruments, chattel paper, obligations, general intangibles, equipment and 
other similar assets, including interests in merchandise or goods, the sale 
or Lease of which gives rise to the foregoing, related contractual rights, 
guarantees, insurance proceeds, collections and other related assets, (ii) 
equipment, (iii) inventory and (iv) proceeds of all of the foregoing.

         "Refinancing Indebtedness" means Indebtedness of the Company 
incurred to redeem, repurchase, defease or otherwise acquire or retire for 
value other Indebtedness that is subordinate in right of payment to the 
Securities, so long as any such new Indebtedness (i) is made subordinate to 
the Securities at least to the same extent as the Indebtedness being 
refinanced and (ii) does not have (x) an Average Life less than the Average 
Life of the Indebtedness being refinanced, (y) a final scheduled maturity 
earlier than the final scheduled maturity of the Indebtedness being 
refinanced, or (z) permit redemption at the option of the holder earlier than 
the earlier of (A) the final scheduled maturity of the Indebtedness being 

<PAGE>

                                      14

refinanced or (B) any date of redemption at the option of the holder of the 
Indebtedness being refinanced.

         "Registered Securities" means Securities issued or sold in a 
transaction pursuant to an effective registration statement under the 
Securities Act of 1933, as amended, as contemplated in the Registration 
Rights Agreement, and any Exchange Security subsequently issued in exchange 
for or upon transfer of any such Security.

         "Registration Rights Agreement" means the Registration Rights 
Agreement dated August 26, 1997 among the Company and the Initial Purchasers, 
a form of which Registration Rights Agreement is attached hereto as Exhibit C.

         "Regular Record Date" for the interest payable on any Interest 
Payment Date means the January 31 or July 31 (whether or not a Business Day), 
as the case may be, next preceding such Interest Payment Date.

         "Regulation S Global Security" shall have the meaning set forth in 
Section 303.
    
         "Responsible Officer", when used with respect to the Trustee, means 
any vice president, any assistant secretary, any assistant treasurer, any 
trust officer or assistant trust officer or any other officer of the Trustee 
customarily performing functions similar to those performed by any of the 
above designated officers or assigned by the Trustee to administer corporate 
trust matters at its Corporate Trust Office and also means, with respect to a 
particular corporate trust matter, any other officer to whom such matter is 
referred because of his knowledge of and familiarity with the particular 
subject.

         "Restricted Payment" means 

         (a)  any Stock Payment by the Company or a Restricted Subsidiary;

         (b)  any direct or indirect payment to redeem, purchase, defease or  
    otherwise acquire or retire for value, or permit any Restricted Subsidiary 
    to redeem, purchase, defease or otherwise acquire or retire for value, 
    prior to any scheduled maturity, scheduled repayment or scheduled sinking 
    fund payment, any Indebtedness of the Company that is subordinate in 
    right of payment to the Securities; provided, however, that any direct or 
    indirect payment to redeem, purchase, defease or otherwise acquire or 
    retire for value, or permit any Restricted Subsidiary to redeem, 
    purchase, defease or otherwise acquire or retire for value, prior to any 
    scheduled maturity, scheduled repayment or scheduled sinking fund 
    payment, any Indebtedness that is subordinate in right of payment to the 
    Securities shall not be a Restricted Payment if either (i) after giving 
    effect thereto, the ratio of the Senior Indebtedness of 

<PAGE>

                                      15

    the Company and the Restricted Subsidiaries to Annualized Operating Cash 
    Flow determined as of the last day of the most recent month for which 
    financial information is available is less than or equal to 5 to 1 or 
    (ii) such subordinate Indebtedness is redeemed, purchased, defeased or 
    otherwise acquired or retired in exchange for, or out of (x) the proceeds 
    of a sale (within one year before or 180 days after such redemption, 
    purchase, defeasance, acquisition or retirement) of, Refinancing 
    Indebtedness, or Capital Stock of the Company or warrants, rights or 
    options to acquire Capital Stock of the Company or (y) any source of funds
    other than the incurrence of Indebtedness; or

         (c)  any direct or indirect payment to redeem, purchase, defease or
    otherwise acquire or retire for value any Disqualified Stock at its 
    mandatory redemption date or other maturity date if and to the extent that
    Indebtedness is incurred to finance such redemption, purchase, defeasance 
    or other acquisition or retirement; provided, however, that the redemption,
    purchase, defeasance or other acquisition or retirement of Mandatorily 
    Redeemable Preferred Stock at its mandatory redemption or other maturity 
    date shall not be a Restricted Payment if and to the extent any 
    Indebtedness incurred to finance all or a portion of the purchase or 
    redemption price does not have a final scheduled maturity date, or permit
    redemption at the option of the holder thereof, earlier than the final
    scheduled maturity of the Securities.

Notwithstanding the foregoing, Restricted Payments shall not include (x) 
payments by any Restricted Subsidiary to the Company or any other Restricted 
Subsidiary or (y) any Investment or designation of a Restricted Subsidiary as 
an Unrestricted Subsidiary permitted under Section 1010.

         "Restricted Security" shall have the meaning set forth in Section 205.

         "Restricted Subsidiary" means any Subsidiary, whether existing on 
the date hereof or created subsequent hereto, designated from time to time by 
the Company as a "Restricted Subsidiary" and the initial Restricted 
Subsidiaries designated by the Company are set forth on Exhibit A; provided, 
however, that no Subsidiary that is not a Securitization Subsidiary can be or 
remain so designated unless (i) at least 67% of each of the total equity 
interest and the voting control of such Subsidiary is owned, directly or 
indirectly, by the Company or another Restricted Subsidiary and (ii) such 
Subsidiary is not restricted, pursuant to the terms of any loan agreement, 
note, indenture or other evidence of indebtedness, from (a) paying dividends 
or making any distribution on such Subsidiary's Capital Stock or other equity 
securities or paying any Indebtedness owed to the Company or to any 
Restricted Subsidiary, (b) making any loans or advances to the Company or any 
Restricted Subsidiary or (c) transferring any of its properties or assets to 
the Company or any Restricted Subsidiary (it being understood that a 
financial covenant any of the components of which are directly 

<PAGE>

                                      16

impacted by the taking of the action (e.g., the payment of a dividend) itself 
(such as a minimum net worth test) would be deemed to be a restriction on the 
foregoing actions, while a financial covenant none of the components of which 
is directly impacted by the taking of the action (e.g., the payment of a 
dividend) itself (such as a debt to cash flow test) would not be deemed to be 
a restriction on the foregoing actions); and provided further that the 
Company may, from time to time, redesignate any Restricted Subsidiary as an 
Unrestricted Subsidiary in accordance with Section 1010.

         "Rule 144A Global Security" shall have the meaning set forth in 
    Section 303.

         "Securities Act" means the Securities Act of 1933, as amended.

         "Securities Issue Date" means August 26, 1997 with respect to the 
Initial Securities and the date of original issuance of the Exchange 
Securities with respect to the Exchange Securities.

         "Securitization Subsidiary" means a Restricted Subsidiary that is 
established for the limited purpose of acquiring and financing Receivables 
and Related Assets and engaging in activities ancillary thereto; provided 
that (i) no portion of the Indebtedness of a Securitization Subsidiary is 
guaranteed by or is recourse to the Company or any other Restricted 
Subsidiary (other than recourse for customary representations, warranties, 
covenants and indemnities, none of which shall relate to the collectibility 
of the Receivables and Related Assets) and (ii) none of the Company or any 
other Restricted Subsidiary has any obligation to maintain or preserve such 
Securitization Subsidiary's financial condition.

         "Security" and "Securities" have the meaning set forth in the second 
paragraph of this Indenture, such terms to include both the Initial 
Securities and the Exchange Securities.

         "Security Register" and "Security Registrar" have the respective 
meanings specified in Section 305.

         "Senior Indebtedness" means, with respect to any Person, all 
principal of and interest (including interest accruing on or after the filing 
of any petition in bankruptcy or for reorganization relating to such Person 
whether or not a claim for post filing interest is allowed in such 
proceedings) with respect to all Indebtedness of such Person; provided that 
Senior Indebtedness shall not include (i) any Indebtedness of such Person 
that, by its terms or the terms of the instrument creating or evidencing such 
Indebtedness, is expressly subordinate in right of payment to the Securities, 
(ii) any guarantee of Indebtedness of any subsidiary of such Person if 
recourse against such guarantee is limited to the Capital Stock or other 
equity interests of such subsidiary, (iii) any obligation of such Person to 
any subsidiary of such Person or, in the case of a Restricted Subsidiary, to 
the Company or any other 

<PAGE>

                                      17

Subsidiary or (iv) any Indebtedness of such Person (and any accrued and 
unpaid interest in respect thereof) which is subordinate or junior in any 
respect to any other Indebtedness or other obligation of such Person.

         "Shelf Registration Statement" means the Shelf Registration 
Statement as defined in the Registration Rights Agreement.

         "Special Record Date" means a date fixed by the Trustee for the 
payment of any Defaulted Interest pursuant to Section 307.

         "Stated Maturity", when used with respect to any Security or any 
installment of interest thereon, means the date specified in such Security as 
the fixed date on which the principal of such Security or such installment of 
interest is due and payable.

         "Stock Payment" means, with respect to any Person, the payment or 
declaration of any dividend, either in cash or in property (except dividends 
payable in Common Stock or common shares of Capital Stock of such Person), or 
the making by such Person of any other distribution, on account of any shares 
of any class of its Capital Stock, now or hereafter Outstanding, or the 
redemption, purchase, retirement or other acquisition or retirement for value 
by such Person, directly or indirectly, of any shares of any class of its 
Capital Stock, now or hereafter Outstanding, other than the redemption, 
purchase, defeasance or other acquisition or retirement for value of any 
Disqualified Stock at its mandatory redemption date or other maturity date.

         "subsidiary" means, as to a particular parent entity at any time, 
any entity of which more than 50% of the Outstanding Voting Stock or other 
equity interest entitled ordinarily to vote in the election of the directors 
or other governing body (however designated) of such entity is at the time 
beneficially owned or controlled directly or indirectly by such parent 
corporation, by one or more such entities or by such parent corporation and 
one or more such entities.

         "Subsidiary" means any subsidiary of the Company.

         "Trust Indenture Act" means the Trust Indenture Act of 1939, as 
amended, and as in force at the date as of which this instrument was 
executed, except as provided in Section 905; provided, however, that, in the 
event that the Trust Indenture Act of 1939 is amended after such date, "Trust 
Indenture Act" means, to the extent required by any such amendment, the Trust 
Indenture Act of 1939 as so amended.

         "Trustee" means the Person named as the "Trustee" in the first 
paragraph of this Indenture, until a successor Trustee shall have become such 
pursuant to the applicable provisions of this Indenture, and thereafter 
"Trustee" shall mean such successor Trustee.

<PAGE>

                                      18

         "Unrestricted Subsidiary" means any Subsidiary which is not a 
    Restricted Subsidiary.

         "Voting Stock" means any Capital Stock having voting power under 
ordinary circumstances to vote in the election of a majority of the directors 
of a corporation (irrespective of whether or not at the time stock of any 
other class or classes shall have or might have voting power by reason of the 
happening of any contingency).

         Section 102.  Other Definitions.

         Term                                                        Defined
                                                                     in Section

         "Act".........................................................  105
         "Bankruptcy Law"..............................................  501
         "covenant defeasance"......................................... 1203
         "Custodian"...................................................  501
         "defeasance".................................................. 1202
         "Defaulted Interest"..........................................  307
         "incorporated provision"......................................  108
         "redesignation of a Restricted Subsidiary".................... 1010
         "Restricted Security".........................................  205
         "Security Register"...........................................  305
         "Security Registrar"..........................................  305
         "successor"...................................................  801
         "U.S. Government Obligations"................................. 1204

         Section 103.  Compliance Certificates and Opinions.

         Upon any application or request by the Company to the Trustee to 
take any action under any provision of this Indenture, the Company shall 
furnish to the Trustee an Officers' Certificate stating that all conditions 
precedent, if any, provided for in this Indenture (including any covenant 
compliance with which constitutes a condition precedent) relating to the 
proposed action have been complied with and an Opinion of Counsel stating 
that in the opinion of such counsel all such conditions precedent, if any, 
have been complied with, except that, in the case of any such application or 
request as to which the furnishing of such documents is specifically required 
by any provision of this Indenture relating to such particular application or 
request, no additional certificate or opinion need be furnished.

<PAGE>

                                      19

         Every certificate or opinion (other than the certificates required 
by Section 1013) with respect to compliance with a condition or covenant 
provided for in this Indenture shall include:

         (a)  a statement that each individual signing such certificate or 
    opinion has read such covenant or condition and the definitions herein 
    relating thereto;

         (b)  a brief statement as to the nature and scope of the examination 
    or investigation upon which the statements or opinions contained in such
    certificate or opinion are based;

         (c)  a statement that, in the opinion of each such individual, he has 
    made such examination or investigation as is necessary to enable him to 
    express an informed opinion as to whether or not such covenant or condition
    has been complied with; and

         (d)  a statement as to whether, in the opinion of each such individual,
    such condition or covenant has been complied with.

         Section 104.  Form of Documents Delivered to Trustee.

         In any case where several matters are required to be certified by, 
or covered by an opinion of, any specified Person, it is not necessary that 
all such matters be certified by, or covered by the opinion of, only one such 
Person, or that they be so certified or covered by only one document, but one 
such Person may certify or give an opinion with respect to some matters and 
one or more other such Persons as to other matters, and any such Person may 
certify or give an opinion as to such matters in one or several documents.

         Any certificate or opinion of an officer of the Company may be 
based, insofar as it relates to legal matters, upon a certificate or opinion 
of, or representations by, counsel, unless such officer knows, or in the 
exercise of reasonable care should know, that the certificate or opinion or 
representations with respect to the matters upon which his certificate or 
opinion is based are erroneous. Any such certificate or Opinion of Counsel 
may be based, insofar as it relates to factual matters, upon a certificate or 
opinion of, or representations by, an officer or officers of the Company 
stating that the information with respect to such factual matters is in the 
possession of the Company, unless such counsel knows, or in the exercise of 
reasonable care should know, that the certificate or opinion or 
representations with respect to such matters are erroneous.

         Where any Person is required to make, give or execute two or more 
applications, requests, consents, certificates, statements, opinions or other 
instruments under this Indenture, they may, but need not, be consolidated and 
form one instrument.

<PAGE>

                                          20

         Section 105.  Acts of Holders.

         (a)  Any request, demand, authorization, direction, notice, consent, 
waiver or other action provided by this Indenture to be given or taken by 
Holders may be embodied in and evidenced by one or more instruments of 
substantially similar tenor signed by such Holders in person or by agent duly 
appointed in writing; and, except as herein otherwise expressly provided, 
such action shall become effective when such instrument or instruments are 
delivered to the Trustee and, where it is hereby expressly required, to the 
Company. Such instrument or instruments (and the action embodied therein and 
evidenced thereby) are herein sometimes referred to as the "Act" of the 
Holders signing such instrument or instruments.  Proof of execution of any 
such instrument or of a writing appointing any such agent shall be sufficient 
for any purpose of this Indenture and (subject to Trust Indenture Act Section 
315) conclusive in favor of the Trustee and the Company, if made in the 
manner provided in this Section 105.

         (b)  The fact and date of the execution by any Person of any such 
instrument or writing may be proved in any reasonable manner which the 
Trustee deems sufficient.

         (c)  The ownership of Securities shall be proved by the Security 
Register.

         (d)  If the Company shall solicit from the Holders any request, 
demand, authorization, direction, notice, consent, waiver or other Act, the 
Company may, at its option, by or pursuant to a Board Resolution, fix in 
advance a record date for the determination of such Holders entitled to give 
such request, demand, authorization, direction, notice, consent, waiver or 
other Act, but the Company shall have no obligation to do so.  
Notwithstanding Trust Indenture Act Section 316(c), any such record date 
shall be the record date specified in or pursuant to such Board Resolution, 
which shall be a date not more than 30 days prior to the first solicitation 
of Holders generally in connection therewith and no later than the date such 
solicitation is completed.

         If such a record date is fixed, such request, demand, authorization, 
direction, notice, consent, waiver or other Act may be given before or after 
such record date, but only the Holders of record at the close of business on 
such record date shall be deemed to be Holders for the purposes of 
determining whether Holders of the requisite proportion of Securities then 
Outstanding have authorized or agreed or consented to such request, demand, 
authorization, direction, notice, consent, waiver or other Act, and for this 
purpose the Securities then Outstanding shall be computed as of such record 
date; provided that no such request, demand, authorization, direction, 
notice, consent, waiver or other Act by the Holders on such record date shall 
be deemed effective unless it shall become effective pursuant to the 
provisions of this Indenture not later than six months after the record date.

<PAGE>

                                      21

         (e)  Any request, demand, authorization, direction, notice, consent, 
waiver or other Act by the Holder of any Security shall bind every future 
Holder of the same Security or the Holder of every Security issued upon the 
registration of transfer thereof or in exchange therefor or in lieu thereof, 
in respect of anything done, suffered or omitted to be done by the Trustee, 
any Paying Agent or the Company in reliance thereon, whether or not notation 
of such action is made upon such Security.

         Section 106.  Notices, Etc. to Trustee and Company.

         Any request, demand, authorization, direction, notice, consent, 
waiver or Act of Holders or other document provided or permitted by this 
Indenture to be made upon, given or furnished to, or filed with,

         (a)  the Trustee by any Holder, the agents of the Banks or the Company
    shall be sufficient for every purpose hereunder if made, given, furnished or
    delivered, in writing, to or with the Trustee at its Corporate Trust Office,
    Attention:  Corporate Trust Trustee Administration; or

         (b)  the Company by the Trustee or by any Holder shall be sufficient 
    for every purpose hereunder (unless otherwise herein expressly provided) if
    made, given, furnished or delivered in writing to the Company addressed to 
    it c/o Cablevision Systems Corporation, One Media Crossways, Woodbury, 
    New York 11797, Attention:  Secretary, or at any other address previously 
    furnished in writing to the Trustee by the Company.

         Section 107.  Notice to Holders; Waiver.

         Where this Indenture provides for notice to Holders of any event, 
such notice shall be sufficiently given (unless otherwise herein expressly 
provided) if in writing and mailed, first-class postage prepaid, to each 
Holder affected by such event, at his address as it appears in the Security 
Register, not later than the latest date, and not earlier than the earliest 
date, prescribed for the giving of such notice.  In any case where notice to 
Holders is given by mail, neither the failure to mail such notice, nor any 
defect in any notice so mailed, to any particular Holder shall affect the 
sufficiency of such notice with respect to other Holders.  Any notice when 
mailed to a Holder in the aforesaid manner shall be conclusively deemed to 
have been received by such Holder whether or not actually received by such 
Holder.

         Where this Indenture provides for notice in any manner, such notice 
may be waived in writing by the Person entitled to receive such notice, 
either before or after the event, and such waiver shall be the equivalent of 
such notice.  Waivers of notice by Holders shall be filed with the Trustee, 
but such filing shall not be a condition precedent to the validity of any 
action taken in reliance upon such waiver.

<PAGE>

                                      22

         In case by reason of the suspension of regular mail service or by 
reason of any other cause, it shall be impracticable to mail notice of any 
event as required by any provision of this Indenture, then any method of 
giving such notice as shall be satisfactory to the Trustee shall be deemed to 
be a sufficient giving of such notice.

         Section 108.  Conflict of Any Provision of Indenture with Trust 
Indenture Act.

         If and to the extent that any provision of this Indenture limits, 
qualifies or conflicts with the duties imposed by Trust Indenture Act 
Sections 310 to 318, inclusive, or conflicts with any provision (an 
"incorporated provision") required by or deemed to be included in this 
Indenture by operation of such Trust Indenture Act Sections, such imposed 
duties or incorporated provision shall control.  If any provision of this 
Indenture modifies or excludes any provision of the Trust Indenture Act that 
may be so modified or excluded, the latter provision shall be deemed to apply 
to this Indenture as so modified or excluded, as the case may be.

         Section 109.  Effect of Headings and Table of Contents.

         The Article and Section headings herein and the Table of Contents 
are for convenience only and shall not affect the construction hereof.

         Section 110.  Successors and Assigns.

         All covenants and agreements in this Indenture by the Company shall 
bind its respective successors and assigns, whether so expressed or not.

         Section 111.  Separability Clause.

         In case any provision in this Indenture or in the Securities shall 
be invalid, illegal or unenforceable, the validity, legality and 
enforceability of the remaining provisions shall not in any way be affected 
or impaired thereby.

         Section 112.  Benefits of Indenture.

         Nothing in this Indenture or in the Securities, express or implied, 
shall give to any Person (other than the parties hereto and their successors 
hereunder, any Paying Agent and the Holders) any benefit or any legal or 
equitable right, remedy or claim under this Indenture.

<PAGE>

                                          23

         Section 113.  Governing Law.

         This Indenture and the Securities shall be governed by and construed 
in accordance with the laws of the State of New York, without regard to 
conflicts of laws principles.

         Section 114.  Legal Holidays.

         In any case where any Interest Payment Date, any date established 
for payment of Defaulted Interest pursuant to Section 307, or any Maturity 
with respect to any Security shall not be a Business Day, then 
(notwithstanding any other provision of this Indenture or of the Securities) 
payment of interest or principal need not be made on such date, but may be 
made on the next succeeding Business Day with the same force and effect as if 
made on the Interest Payment Date, or date established for payment of 
Defaulted Interest pursuant to Section 307, or Maturity, and no interest 
shall accrue with respect to such payment for the period from and after such 
Interest Payment Date, or date established for payment of Defaulted Interest 
pursuant to Section 307, or Maturity, as the case may be, to the next 
succeeding Business Day.

         Section 115.  No Recourse Against Others.

         A director, officer, employee or stockholder, as such, of the 
Company shall not have any liability for any obligations of the Company under 
the Securities or this Indenture or for any claim based on, in respect of or 
by reason of such obligations or their creation.  Each Holder by accepting 
any of the Securities waives and releases all such liability.

                                 ARTICLE TWO

                               SECURITY FORMS

         Section 201.  Forms Generally; Incorporation of Form in Indenture.

         The Securities and the Trustee's certificate of authentication with 
respect thereto shall be in substantially the forms set forth in this 
Article, with such appropriate legends, insertions, omissions, substitutions 
and other variations as are required or permitted by this Indenture and may 
have such letters, numbers or other marks of identification and such legends 
or endorsements placed thereon as may be required to comply with the rules of 
any securities exchange or as may, consistently herewith, be determined by 
the officers executing such Securities, as evidenced by their execution of 
the Securities.  Any portion of the text of any Security may be set forth on 
the reverse thereof, with an appropriate 

<PAGE>

                                      24

reference thereto on the face of the Security.  Each Security shall be dated 
the date of its authentication.

         The definitive Securities shall be typewritten, printed, 
lithographed, engraved or otherwise produced or produced by any combination 
of these methods or may be produced in any other manner permitted by the 
rules of any securities exchange on which the Securities may be listed, all 
as determined by the officers executing such Securities, as evidenced by 
their execution of such Securities.

         Section 202.  Form of Face of Security.

                       CABLEVISION SYSTEMS CORPORATION

               8 1/8% [SERIES B]* SENIOR DEBENTURE DUE 2009

No.                                                   $              
   _____                                               _____________
                                            CUSIP No.               
                                                       _____________ 

         Cablevision Systems Corporation, a Delaware corporation (herein 
called the "Company", which term includes any successor entity under this 
Indenture hereinafter referred to), for value received, hereby promises to 
pay to _________________ or registered assigns the principal sum of ______ 
Dollars on August 15, 2009, at the office or agency of the Company referred 
to below, and to pay interest thereon on February 15 and August 15 in each 
year from the Securities Issue Date or from the most recent Interest Payment 
Date to which interest has been paid or duly provided for at the rate of 
8 1/8% per annum until the principal hereof is paid or duly provided for, and 
(to the extent lawful) to pay on demand interest on any overdue interest at 
the rate borne by the Securities from the date of the Interest Payment Date 
on which such overdue interest becomes payable to the date payment of such 
interest has been made or duly provided for.

         [The Holder of this Security is entitled to the benefits of the
Registration Rights Agreement, dated as of August 26, 1997 (the "Registration
Rights Agreement"), between the Company and the Initial Purchasers named
therein.  In the event that either (i) a registration statement under the
Securities Act (the "Exchange Offer Registration Statement") with respect to an
exchange offer (the "Exchange Offer") for this Initial Security is not filed
with the Securities and Exchange Commission (the "Commission") on or prior to
October 25, 1997 or (ii) the Exchange Offer is not consummated or a registration
statement under the Securities Act with respect to resales of this Security (the
"Shelf Registration Statement") is not declared effective by the Commission on 
or prior to February 22, 1998, in either case in accordance with the
Registration Rights Agreement, the aforesaid interest
rate borne by this 

- --------------------
*  Include only for Exchange Securities.

<PAGE>

                                          25

Security shall be increased by one-quarter of one percent per annum for the 
first 30 days following October 25, 1997 in the case of (i) above, or the 
first 90 days following February 22, 1998 in the case of (ii) above.  Such 
interest rate will increase by an additional one-quarter of one percent per 
annum at the beginning of each subsequent 30-day period in the case of (i) 
above, or 90-day period in the case of (ii) above, up to a maximum aggregate 
increase of one percent per annum.  Upon (x) the filing of a registration 
statement with respect to the Exchange Offer or (y) the consummation of the 
Exchange Offer or the effectiveness of a Shelf Registration Statement, as the 
case may be, the interest rate borne by this Security will be reduced to 8 1/8
per annum.]**

         If any interest has accrued on this Security in respect of any 
period prior to the issuance of this Security, such interest will be payable 
in respect of such period at the rate or rates borne by the Predecessor 
Security surrendered in exchange for this Security from time to time during 
such period.  The interest so payable, and punctually paid or duly provided 
for, on any Interest Payment Date will, as provided in such Indenture, be 
paid to the Person in whose name this Security (or one or more Predecessor 
Securities) is registered at the close of business on the Regular Record Date 
for such interest, which shall be the January 31 or July 31 (whether or not a 
Business Day), as the case may be, next preceding such Interest Payment Date. 
 Any such interest not so punctually paid or duly provided for, and interest 
on such defaulted interest at the interest rate borne by this Security, to 
the extent lawful, shall forthwith cease to be payable to the Holder on such 
Regular Record Date, and may be paid to the Person in whose name this 
Security (or one or more Predecessor Securities) is registered at the close 
of business on a Special Record Date for the payment of such Defaulted 
Interest to be fixed by the Trustee, notice whereof shall be given to Holders 
of Securities not less than 10 days prior to such Special Record Date, or may 
be paid at any time in any other lawful manner not inconsistent with the 
requirements of any securities exchange on which the Securities may be 
listed, and upon such notice as may be required by such exchange, all as more 
fully provided in the Indenture.  Payment of the principal of and interest on 
this Security will be made at the office or agency of the Company maintained 
for that purpose in The City of New York, or at such other office or agency 
of the Company as may be maintained for such purpose, in such coin or 
currency of the United States of America as at the time of payment is legal 
tender for payment of public and private debts; provided, however, that
payment of interest may be made at the option of the Company by check mailed 
to the address of the Person entitled thereto as such address shall appear on 
the Security Register.

         Reference is hereby made to the further provisions of this Security 
set forth on the reverse hereof, which further provisions shall for all 
purposes have the same effect as if set forth at this place.

_____________________________
**  Include only for Initial Securities.

<PAGE>

                                          26

         Unless the certificate of authentication hereon has been duly 
executed by the Trustee referred to on the reverse hereof by manual 
signature, this Security shall not be entitled to any benefit under this 
Indenture, or be valid or obligatory for any purpose.

         IN WITNESS WHEREOF, the Company has caused this instrument to be duly
executed under its corporate seal.

                             CABLEVISION SYSTEMS CORPORATION


                             By                                          
                                ______________________________

Attest:


By                           
   ___________________________

         Section 203.  Form of Reverse of Security.

         This Security is one of a duly authorized issue of securities of the 
Company designated as its 8 1/8% [Series B]* Senior Debentures due 2009 
(herein called the "Securities"), limited (except as otherwise provided in 
this Indenture referred to below) in aggregate principal amount to 
$400,000,000, which may be issued under an indenture (herein called the 
"Indenture") dated as of August 15, 1997, between the Company and The Bank of 
New York, trustee (herein called the "Trustee", which term includes any 
successor trustee under this Indenture), to which Indenture and all 
indentures supplemental thereto reference is hereby made for a statement of 
the respective rights, limitations of rights, duties, obligations and 
immunities thereunder of the Company, the Trustee, the holders of the Senior 
Indebtedness and the Holders of the Securities, and of the terms upon which 
the Securities are, and are to be, authenticated and delivered.

         [This Security is exchangeable under certain circumstances as provided
in the Indenture for the Company's 8 1/8% Series B Senior Debentures due 2009
(herein called the "Exchange Securities", issued under the Indenture.  Unless
the context otherwise requires, the Securities and Exchange Securities shall
constitute one series for all purposes under the Indenture, including without
limitation amendments and waivers.]**

_________________________
*  Include only for Exchange Securities.

**  Include only for Initial Securities.

<PAGE>

                                          27

         This Security is not subject to redemption at the option of the 
Company prior to Maturity.

         If an Event of Default shall occur and be continuing, the principal 
of all the Securities may be declared due and payable in the manner and with 
the effect provided in this Indenture.

         The Indenture contains provisions for defeasance at any time of (a) 
the entire indebtedness of the Company on this Security and (b) certain 
restrictive covenants and the related Defaults and Events of Default, upon 
compliance by the Company with certain conditions set forth therein, which 
provisions apply to this Security.

         This Security does not have the benefit of any sinking fund 
obligations.

         The Indenture permits, with certain exceptions as therein provided, 
the amendment thereof and the modification of the rights and obligations of 
the Company and the rights of the Holders under the Indenture at any time by 
the Company and the Trustee with the consent of the Holders of a majority in 
aggregate principal amount of the Securities at the time Outstanding.  The 
Indenture also contains provisions permitting the Holders of specified 
percentages in aggregate principal amount of the Securities at the time 
Outstanding, on behalf of the Holders of all the Securities, to waive 
compliance by the Company with certain provisions of the Indenture and 
certain past defaults under the Indenture and their consequences.  Any such 
consent or waiver by or on behalf of the Holder of this Security shall be 
conclusive and binding upon such Holder and upon all future Holders of this 
Security and of any Security issued upon the registration of transfer hereof 
or in exchange herefor or in lieu hereof whether or not notation of such 
consent or waiver is made upon this Security.

         No reference herein to the Indenture and no provision of this 
Security or of the Indenture shall alter or impair the obligation of the 
Company, which is absolute and unconditional, to pay the principal of and 
interest on this Security at the times, place, and rate, and in the coin or 
currency, herein prescribed.

         As provided in the Indenture and subject to certain limitations 
therein set forth, the transfer of this Security is registrable on the 
Security Register of the Company, upon surrender of this Security for 
registration of transfer at the office or agency of the Company maintained 
for such purpose in The City of New York, duly endorsed by, or accompanied by 
a written instrument of transfer in form satisfactory to the Company and the 
Security Registrar duly executed by, the Holder hereof or his attorney duly 
authorized in writing, and thereupon one or more new Securities, of 
authorized denominations and for the same aggregate principal amount, will be 
issued to the designated transferee or transferees.

<PAGE>

                                          28

         The Securities are issuable only in registered form without coupons 
in denominations of $1,000 and any integral multiple thereof.  As provided in 
the Indenture and subject to certain limitations therein set forth, the 
Securities are exchangeable for a like aggregate principal amount of 
Securities of a different authorized denomination, as requested by the Holder 
surrendering the same.

         No service charge shall be made for any registration of transfer or 
exchange of Securities, but the Company may require payment of a sum 
sufficient to pay all documentary, stamp or similar issue or transfer taxes 
or other governmental charges payable in connection with any registration of 
transfer or exchange.

         Prior to the time of due presentment of this Security for 
registration of transfer, the Company, the Trustee and any agent of the 
Company or the Trustee may treat the Person in whose name this Security is 
registered as the owner hereof for all purposes, whether or not this Security 
be overdue, and neither the Company, the Trustee nor any agent shall be 
affected by notice to the contrary.

         This Security shall be governed by and construed in accordance with 
the laws of the State of New York, without regard to conflicts of laws 
principles thereof.

         All terms used in this Security which are defined in the Indenture 
shall have the meanings assigned to them in the Indenture.

                             Certificate of Transfer **


         FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers
this Security to

______________________________________________________________________________
                                                                              
         (Please typewrite or print name and taxpayer identification number)

______________________________________________________________________________
                         (Please typewrite or print address)

and hereby irrevocably constitutes and appoints 
_________________________________ his attorney to transfer the same on the 
books of the Company, with full power of substitution in the premises.

**  Include only for Initial Securities.

<PAGE>

                                          29

         In connection with any transfer of all or any portion of the 
Security evidenced by this certificate for as long as such Security is a 
Restricted Security, the undersigned confirms that such Security is being 
transferred:

    / /  (a)  Pursuant to and in compliance with Rule 144A under the Securities
         Act of 1933, as amended (the "Securities Act");

         or

    / /  (b)  Pursuant to offers and sales to non-U.S. Persons that occur
         outside the United States within the meaning of Regulation S under
         the Securities Act;

         Unless one of the boxes above is checked, the Trustee will refuse to 
register all or any portion of the Security evidenced by this certificate in 
the name of any person other than the registered holder thereof (or hereof); 
provided, however, that the Trustee may, in its sole discretion, register the 
transfer of such Security if it has received such certifications, legal 
opinions and/or other information as it has reasonably requested to confirm 
that such transfer is being made pursuant to an exemption from, or in a 
transaction not subject to, the registration requirements of the Securities 
Act of 1933, as amended.

Dated:
     
Signature                       
            __________________________
_________________________
                   
NOTE:  The signature to this assignment must correspond with the name as 
written upon the face of this Security in every particular, without 
alteration or enlargement, or any change whatever.

         TO BE COMPLETED BY PURCHASER IF (a) ABOVE IS CHECKED:

         The undersigned represents and warrants that it is purchasing this 
Security for its own account or an account with respect to which it exercises 
sole investment discretion and that it and any such account is a "qualified 
institutional buyer" within the meaning of Rule 144A under the Securities Act 
and is aware that the sale to it is being made in reliance on Rule 144A and 
acknowledges that it has received such information regarding the Company as 
the undersigned has requested pursuant to Rule 144A (including the 
information specified in Rule 144(d)(4)) or has determined not to request 
such information and that it is aware that the transferor is relying upon the 
undersigned's foregoing representations in order to claim the exemption from 
registration provided by Rule 144A.

    Dated:___________________     ______________________________________
                                  To be signed by an executive officer

<PAGE>

                                          30

                   SCHEDULE OF EXCHANGES FOR DEFINITIVE SECURITIES

    The following exchanges of a part of this Security in global form for 
definitive Securities or of definitive Securities for a part of this Security 
in global form have been made:

                                             Principal
           Amount of        Amount of        Amount of         Signature of
           decrease in      increase in      this Security     authorized
           Principal        Principal        in global form    signatory of
           Amount of        Amount of        following such    Trustee or
Date of    this Security    this Security    decrease (or      Securities
Exchange   in global form   in global form   increase)         Custodian   
________   ______________   ______________   _______________   ____________




         Section 204.  Form of Trustee's Certificate of Authentication.

                   TRUSTEE'S CERTIFICATE OF AUTHENTICATION

         This is one of the Securities referred to in the within-mentioned 
Indenture.

                                                        THE BANK OF NEW YORK,
                                                             as Trustee  
                                                                           


                                                        By____________________
                                                          Authorized Signatory
Dated:

         Section 205.  Form of Legend on Restricted Securities.

         During the period beginning on August 26, 1997 and ending on the later 
of August 26, 1999 and the date two years after the last date on which the 
Company or any Affiliate of the Company was the owner of an Initial Security 
(or any Predecessor Security), any such Initial Security issued or owned during 
the period set forth above, as the case may be, and any Initial Security issued 
upon registration of transfer of, or in exchange for, or in lieu of, such 
Initial Security shall be deemed a "Restricted Security" and shall be subject 
to the restrictions on transfer provided in the legend set forth below; 
provided, however, that 


<PAGE>

                                          31

the term "Restricted Security" shall not include (a) any Initial Security 
which is issued upon transfer of, or in exchange for, any Initial Security 
which is not a Restricted Security or (b) any Initial Security as to which 
such restrictions on transfer have been terminated in accordance with Section 
314 or (c) any Exchange Security issued pursuant to an Exchange Offer.  Any 
Restricted Security shall bear a legend in substantially the following form:

              THE SECURITIES EVIDENCED HEREBY HAVE NOT BEEN REGISTERED UNDER 
         THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT"), OR ANY 
         STATE SECURITIES LAWS.  NEITHER THIS SECURITY NOR ANY INTEREST OR 
         PARTICIPATION HEREIN MAY BE OFFERED, SOLD, ASSIGNED, TRANSFERRED, 
         PLEDGED, ENCUMBERED OR OTHERWISE DISPOSED OF IN THE ABSENCE OF SUCH 
         REGISTRATION OR UNLESS SUCH TRANSACTION IS EXEMPT FROM, OR NOT SUBJECT 
         TO, REGISTRATION.THE HOLDER OF THIS SECURITY BY ITS ACCEPTANCE HEREOF 
         AGREES TO OFFER, SELL, PLEDGE OR OTHERWISE TRANSFER SUCH SECURITY, 
         PRIOR TO THE DATE WHICH IS TWO YEARS AFTER THE LATER OF ORIGINAL ISSUE 
         HEREOF AND THE LAST DATE ON WHICH THE COMPANY OR ANY AFFILIATE OF THE 
         COMPANY WAS THE OWNER OF THIS SECURITY (OR ANY PREDECESSOR OF SUCH 
         SECURITY) ONLY (A) TO THE COMPANY, (B) PURSUANT TO A REGISTRATION 
         STATEMENT WHICH HAS BEEN DECLARED EFFECTIVE UNDER THE SECURITIES ACT, 
         (C) FOR SO LONG AS THE DEBENTURES ARE ELIGIBLE FOR RESALE PURSUANT TO 
         RULE 144A, TO A PERSON IT REASONABLY BELIEVES IS A "QUALIFIED 
         INSTITUTIONAL BUYER" AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT 
         THAT PURCHASES FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF A QUALIFIED 
         INSTITUTIONAL BUYER TO WHOM NOTICE IS GIVEN THAT THE TRANSFER IS BEING 
         MADE IN A TRANSACTION MEETING THE REQUIREMENTS  OF RULE 144A, 
         (D) PURSUANT TO OFFERS AND SALES TO NON-U.S. PERSONS THAT OCCUR OUTSIDE
         THE UNITED STATES MEETING THE REQUIREMENTS OF RULE 903 OR RULE 904 OF 
         REGULATION S UNDER THE SECURITIES ACT, OR (E) PURSUANT TO ANOTHER 
         AVAILABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE 
         SECURITIES ACT; PROVIDED THAT THE COMPANY SHALL HAVE THE  RIGHT PRIOR 
         TO ANY SUCH OFFER, SALE PLEDGE OR TRANSFER (i) PURSUANT TO CLAUSE (D) 
         OR (E) ABOVE TO REQUIRE THE DELIVERY OF AN OPINION (IN FORM AND 
         SUBSTANCE SATISFACTORY TO THE COMPANY) OF COUNSEL SATISFACTORY TO THE 
         COMPANY, AND CERTIFICATION AND/OR OTHER INFORMATION SATISFACTORY TO 
         THE COMPANY, AND (ii) IN EACH OF THE FOREGOING CASES, TO REQUIRE THAT 
         A CERTIFICATE OF TRANSFER IN THE FORM APPEARING ON THE OTHER SIDE OF 
         THIS 

<PAGE>

                                          32

         SECURITY IS COMPLETED AND DELIVERED BY THE TRANSFEROR TO THE COMPANY.

         Section 206.  Form of Legend for Book-Entry Securities.

         Any Global Security authenticated and delivered hereunder shall bear 
a legend (which would be in addition to any other legends required in the 
case of a Restricted Security) in substantially the following form:

              THIS SECURITY IS A GLOBAL SECURITY WITHIN THE MEANING OF THE 
         INDENTURE HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A 
         DEPOSITORY OR A NOMINEE THEREOF.  THIS SECURITY MAY NOT BE EXCHANGED 
         IN WHOLE OR IN PART FOR A SECURITY REGISTERED, AND NO TRANSFER OF 
         THIS SECURITY IN WHOLE OR IN PART MAY BE REGISTERED, IN THE NAME OF 
         ANY PERSON OTHER THAN SUCH DEPOSITORY OR ITS NOMINEE EXCEPT IN THE 
         LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE.

              UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED 
         REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY (55 WATER STREET, NEW
         YORK, NEW YORK 10041) TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF
         TRANSFER, EXCHANGE OR PAYMENT AND SUCH CERTIFICATE ISSUED IN EXCHANGE
         FOR THIS CERTIFICATE IS REGISTERED IN THE NAME OF CEDE & CO., OR SUCH 
         OTHER NAME AS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE
         DEPOSITORY TRUST COMPANY, ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR
         VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL, SINCE THE
         REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.


                                            
<PAGE>

                                      33

                                 ARTICLE THREE

                                 THE SECURITIES

         Section 301.  Title and Terms.

         The aggregate principal amount of Securities which may be 
authenticated and delivered under this Indenture is limited to $400,000,000, 
except for Securities authenticated and delivered upon registration of 
transfer of, or in exchange for, or in lieu of, other Securities pursuant to 
Section 303, 304, 305, 306 or 906.

         The Initial Securities shall be known and designated as the "8 1/8% 
Senior Debentures due 2009" and the Exchange Securities shall be known and 
designated as the "8 1/8% Series B Senior Debentures due 2009" of the 
Company.  Their Stated Maturity shall be August 15, 2009, and they shall bear 
interest at the rate of 8 1/8% per annum (except as otherwise provided for in 
the form of Security) from the Security Issue Date, or the most recent 
Interest Payment Date to which interest has been paid or duly provided for on 
a given Security or a Security surrendered in exchange for such Security, as 
the case may be, payable on February 15, 1998 and semiannually thereafter on 
February 15 and August 15 in each year and at said Stated Maturity, until the 
principal thereof is paid or duly provided for.  The initial Interest Payment 
Date for any Security shall be the first February 15 or August 15 occurring 
after the Security Issue Date for such Security.  The Initial Securities and 
the Exchange Securities shall rank pari passu.

         The principal of and interest on the Securities shall be payable at 
the office or agency of the Company maintained for such purpose in The City 
of New York, or at such other office or agency of the Company as may be 
maintained for such purpose; provided, however, that, at the option of the 
Company, cash interest may be paid by check mailed to addresses of the 
Persons entitled thereto as such addresses shall appear on the Security 
Register.

         The Securities are not subject to redemption at the option of the 
Company.

         At the election of the Company, the entire indebtedness represented 
by the Securities or certain of the Company's obligations and covenants and 
certain Events of Default thereunder may be defeased as provided in Article 
Twelve.

         The Securities will be senior unsecured obligations of the Company 
and will rank pari passu in right of payment with all existing and future 
unsubordinated indebtedness of the Company.

<PAGE>

                                      34

         Section 302.  Denominations.

         The Securities shall be issauble only in registered form without 
coupons and only in denominations of $1,000 and any integral multiple thereof.

         Section 303.  Execution, Authentication, Delivery and Dating.

         The Securities shall be executed on behalf of the Company by any one 
of the following:  its Chairman, one of its Vice Chairmen, its President or 
one of its Vice Presidents and attested by one of its Vice Presidents or its 
Secretary or one of its Assistant Secretaries.  The signature of any of these 
officers on the Securities may be manual or facsimile.

         Securities bearing the manual or facsimile signatures of individuals 
who were at any time the proper officers of the Company shall bind the 
Company, notwithstanding that such individuals or any of them have ceased to 
hold such offices prior to the authentication and delivery of such Securities 
or did not hold such offices at the date of such Securities.

         The Trustee shall (upon Company Order) authenticate and deliver 
Securities for original issue in an aggregate principal amount of up to 
$400,000,000.

         Each Security shall be dated the date of its authentication.

         No Security endorsed thereon shall be entitled to any benefit under 
this Indenture or be valid or obligatory for any purpose unless there appears 
on such Security a certificate of authentication substantially in the form 
provided for herein duly executed by the Trustee by manual signature of one 
of its duly authorized signatories, and such certificate upon any Security 
shall be conclusive evidence, and the only evidence, that such Security has 
been duly authenticated and delivered hereunder and is entitled to the 
benefits of this Indenture.

         In case the Company, pursuant to Article Eight, shall be 
consolidated or merged with or into any other Person or shall convey, 
transfer, lease or otherwise dispose of substantially all of its properties 
and assets to any Person, and the successor Person resulting from such 
consolidation, or surviving such merger, or into which the Company shall have 
been merged, or the successor Person which shall have received a conveyance, 
transfer, Lease or other disposition as aforesaid, shall have executed an 
indenture supplemental hereto with the Trustee pursuant to Article Eight, any 
of the Securities authenticated or delivered prior to such consolidation, 
merger, conveyance, transfer, Lease or other disposition may, from time to 
time, at the request of the successor Person, be exchanged for other 
Securities executed in the name of the successor Person with such changes in 
phraseology and form as may be appropriate, but otherwise in substance of 
like tenor as the Securities surrendered for 

<PAGE>

                                      35

such exchange and of like principal amount; and the Trustee, upon written 
order of the successor Person, shall authenticate and deliver Securities as 
specified in such request for the purpose of such exchange.  If Securities 
shall at any time be authenticated and delivered in any new name of a 
successor Person pursuant to this Section 303 in exchange or substitution for 
or upon registration of transfer of any Securities, such successor Person, at 
the option of any Holder but without expense to such Holder, shall provide 
for the exchange of all Securities at the time Outstanding held by such 
Holder for Securities authenticated and delivered in such new name.

         Except as described below, the Securities will be deposited with, or 
on behalf of, the Depository, and registered in the name of the Depository or 
the nominee of the Depository in the form of one or more global note 
certificates (each a "Rule 144A Global Security"), for credit to the 
respective accounts of the beneficial owners of the Securities represented 
thereby.  The Rule 144A Global Securities shall bear the legend set forth in 
Section 206 and, in the case of Restricted Securities, the legend set forth 
in Section 205.

         Securities purchased by persons outside the United States pursuant 
to sales in accordance with Regulation S under the Securities Act shall be 
deposited with, or on behalf of, the Depository, and registered in the name 
of the Depository or the nominee of the Depository in the form of one or more 
global note certificates (each a "Regulation S Global Security"), for credit 
to the respective accounts of the beneficial owners of the Securities 
represented thereby (or such other accounts as they may direct), provided 
that upon such deposit all such Securities shall be credited to or through 
accounts maintained at the Depository by or on behalf of the Euroclear System 
or Cedel Bank, S.A.  Securities represented by a Regulation S Global Security 
will not be exchangeable for Securities in registered definitive form (each a 
"Physical Security") until the expiration of the "40-day restricted period" 
within the meaning of Rule 903(c)(3) of Regulation S under the Securities 
Act.  The Regulation S Global Securities shall bear the legend set forth in 
Section 206 and, in the case of Restricted Securities, the legend set forth 
in Section 205.

         Section 304.  Temporary Securities.

         Pending the preparation of definitive Securities, the Company may 
execute, and upon Company Order the Trustee shall authenticate and deliver, 
temporary Securities which are typewritten, printed, lithographed, engraved 
or otherwise produced or produced by any combination of these methods, in any 
authorized denomination, substantially of the tenor of the definitive 
Securities in lieu of which they are issued and with such appropriate 
insertions, omissions, substitutions and other variations as the officers 
executing such Securities may determine, as conclusively evidenced by their 
execution of such Securities.

         If temporary Securities are issued, the Company will cause 
definitive Securities to be prepared without unreasonable delay.  After the 
preparation of definitive

<PAGE>

                                      36


Securities, the temporary Securities shall be exchangeable for definitive 
Securities upon surrender of the temporary Securities at the office or agency 
of the Company designated for such purpose pursuant to Section 1002, without 
charge to the Holder. Upon surrender for cancellation of any one or more 
temporary Securities, the Company shall execute and the Trustee shall 
authenticate and deliver in exchange therefor a like principal amount of 
definitive Securities of authorized denominations.  Until so exchanged, the 
temporary Securities shall in all respects be entitled to the same benefits 
under this Indenture as definitive Securities.

         Section 305.  Registration, Registration of Transfer and Exchange.

         The Company shall cause to be kept at the Corporate Trust Office of 
the Trustee a register (the register maintained in such office and in any 
other office or agency designated pursuant to Section 1002 being herein 
sometimes referred to as the "Security Register") in which, subject to such 
reasonable regulations as it may prescribe, the Company shall provide for the 
registration of Securities and of transfers of Securities.  The Trustee is 
hereby initially appointed "Security Registrar" for the purpose of 
registering Securities and transfers of Securities as herein provided.  Such 
Security Register shall distinguish between Initial Securities and Exchange 
Securities.

         Except as otherwise described in this Article Three, upon surrender 
for registration of transfer of any Security at the office or agency of the 
Company designated pursuant to Section 1002 for such purpose, the Company 
shall execute, and the Trustee shall authenticate and deliver, in the name of 
the designated transferee or transferees, one or more new Securities of any 
authorized denomination or denominations and of a like aggregate principal 
amount.

         At the option of the Holder, Securities may be exchanged for other 
Securities of any authorized denomination or denominations and of a like 
aggregate principal amount upon surrender of the Securities to be exchanged 
at such office or agency.  Whenever any Securities are so surrendered for 
exchange, the Company shall execute, and the Trustee shall authenticate and 
deliver, the Securities which the Holder making the exchange is entitled to 
receive; provided that no exchange of Initial Securities for Exchange 
Securities shall occur until an Exchange Offer Registration Statement shall 
have been declared effective by the Commission, the Trustee shall have 
received an Officers' Certificate confirming that the Exchange Offer 
Registration Statement has been declared effective by the Commission and the 
Initial Securities to be exchanged for the Exchange Securities shall be 
cancelled by the Trustee.

         All Securities issued upon any registration of transfer or exchange 
of Securities shall be the valid obligations of the Company, evidencing the 
same debt, and (subject to the provisions in the Initial Securities regarding 
the payment of additional interest) entitled to the 

<PAGE>

                                      37

same benefits under this Indenture, as the Securities surrendered upon such 
registration of transfer or exchange.

         Every Security presented or surrendered for registration of 
transfer, or for exchange, shall (if so required by the Company or the 
Security Registrar) be duly endorsed, or be accompanied by a written 
instrument of transfer in form satisfactory to the Company and the Security 
Registrar, duly executed by the Holder thereof or his attorney duly 
authorized in writing.

         Every Restricted Security shall be subject to, and no transfer shall 
be made other than in accordance with, the restrictions on transfer provided 
in the legend set forth on the form of the face of each Restricted Security 
and the restrictions set forth in this Article Three, and the Holder of each 
Restricted Security, by such Holder's acceptance thereof, agrees to be bound 
by such restrictions on transfer.

         The Security Registrar shall notify the Company of any proposed 
transfer of a Restricted Security to any Person.

         No service charge shall be made for any registration of transfer or 
exchange of Securities, but the Company may require payment of a sum 
sufficient to pay all documentary, stamp or similar issue or transfer taxes 
or other governmental charges that may be imposed in connection with any 
registration of transfer or exchange of Securities, other than exchanges 
pursuant to Section 303, 304 or 906 not involving any transfer.

         The Company shall not be required to issue, register the transfer of 
or exchange any Security during a period beginning at the opening of business 
15 days before an Interest Payment Date and ending on the close of business 
on such Interest Payment Date.

         Section 306.  Mutilated, Destroyed, Lost and Stolen Securities.

         If (a) any mutilated Security is surrendered to the Trustee, or (b) 
the Company and the Trustee receive evidence to their satisfaction of the 
destruction, loss or theft of any Security, and there is delivered to the 
Company and the Trustee such security or indemnity as may be required by them 
to save each of them and any agent of them harmless, then, in the absence of 
notice to the Company or the Trustee that such Security has been acquired by 
a bona fide purchaser, the Company shall execute and upon Company Order the 
Trustee shall authenticate and deliver, in exchange for any such mutilated 
Security or in lieu of any such destroyed, lost or stolen Security, a 
replacement Security of like tenor and principal amount, and bearing a number 
not contemporaneously outstanding.

<PAGE>

                                      38

         In case any such mutilated, destroyed, lost or stolen Security has 
become or is about to become due and payable, the Company in its discretion 
may, instead of issuing a replacement Security, pay such Security.

         Upon the issuance of any replacement Securities under this Section 
306, the Company may require the payment of a sum sufficient to pay all 
documentary, stamp or similar issue or transfer taxes or other governmental 
charges that may be imposed in relation thereto and any other expenses 
(including the fees and expenses of the Trustee) connected therewith.

         Every replacement Security issued pursuant to this Section 306 in 
lieu of any destroyed, lost or stolen Security shall constitute a contractual 
obligation of the Company, whether or not the destroyed, lost or stolen 
Security shall be at any time enforceable by anyone, and shall be entitled to 
all benefits of this Indenture equally and proportionately with any and all 
other Securities duly issued hereunder.

         The provisions of this Section 306 are exclusive and shall preclude 
(to the extent lawful) all other rights and remedies with respect to the 
replacement or payment of mutilated, destroyed, lost or stolen Securities.

         Section 307.  Payment of Interest; Interest Rights Preserved.

         Interest on any Security which is payable, and is punctually paid or 
duly provided for, on any Interest Payment Date shall be paid to the Person 
in whose name that Security (or one or more Predecessor Securities) is 
registered at the close of business on the Regular Record Date for such 
interest.  The initial Interest Payment Date for any Security shall be the 
first February 15 or August 15 occurring after the Securities Issue Date for 
such Security.

         Any interest on any Security which is payable, but is not punctually 
paid or duly provided for, on any Interest Payment Date and interest on such 
defaulted interest at the interest rate borne by the Securities, to the 
extent lawful (such defaulted interest and interest thereon herein 
collectively called "Defaulted Interest"), shall forthwith cease to be 
payable to the Holder on the relevant Regular Record Date by virtue of having 
been such Holder; and such Defaulted Interest may be paid by the Company, at 
its election in each case, as provided in Subsection (a) or (b) below:

         (a) The Company may elect to make payment of any Defaulted Interest to 
    the Persons in whose names the Securities (or their respective Predecessor 
    Securities) are registered at the close of business on a Special Record 
    Date for the payment of such Defaulted Interest, which shall be fixed in 
    the following manner. The Company shall notify the Trustee in writing of 
    the amount of Defaulted Interest proposed to be 

<PAGE>

                                      39

    paid on each Security and the date of the proposed payment, and at the
    same time the Company shall deposit with the Trustee an amount of money
    equal to the aggregate amount proposed to be paid in respect of such
    Defaulted Interest or shall make arrangements satisfactory to the
    Trustee for such deposit prior to the date of the proposed payment,
    such money when deposited to be held in trust for the benefit of the
    Persons entitled to such Defaulted Interest as in this Subsection
    provided.  Thereupon the Trustee shall fix a Special Record Date for
    the payment of such Defaulted Interest which shall be not more than 15
    days and not less than 10 days prior to the date of the proposed 
    payment and not less than 10 days after the receipt by the Trustee of
    the notice of the proposed payment. The Trustee shall promptly 
    notify the Company of such Special Record Date. In the name and at the
    expense of the Company, the Trustee shall cause notice of the proposed
    payment of such Defaulted Interest and the Special Record Date therefor
    to be mailed, first-class postage prepaid, to each Holder at his
    address as it appears in the Security Register, not less than 10 days
    prior to such Special Record Date.  Notice of the proposed payment of
    such Defaulted Interest and the Special Record Date therefor having
    been so mailed, such Defaulted Interest shall be paid to the Persons
    in whose names the Securities (or their respective Predecessor
    Securities) are registered at the close of business on such Special
    Record Date and shall no longer be payable pursuant to the following 
    Subsection (b).

         (b) The Company may make payment of any Defaulted Interest in any 
    other lawful manner not inconsistent with the requirements of any 
    securities exchange on which the Securities may be listed, and upon such 
    notice as may be required by such exchange, if, after notice given by the 
    Company to the Trustee of the proposed payment pursuant to this Subsection, 
    such payment shall be deemed practicable by the Trustee.

         Subject to the foregoing provisions of this Section 307, each 
Security delivered under this Indenture upon registration of transfer of or 
in exchange for or in lieu of any other Security shall carry the rights to 
interest accrued and unpaid, and to accrue, which were carried by such other 
Security.

         Section 308.  Persons Deemed Owners.

         Prior to the time of due presentment for registration of transfer, 
the Company, the Trustee and any agent of the Company or the Trustee may 
treat the Person in whose name any Security is registered as the owner of 
such Security for the purpose of receiving payment of principal of and 
(subject to Section 307) interest on such Security and for all other purposes 
whatsoever, whether or not such Security be overdue, and neither the Company, 
the Trustee nor any agent of the Company or the Trustee shall be affected by 
notice to the contrary.

<PAGE>

                                      40

         Section 309.  Cancellation.

         All Securities surrendered for payment, registration of transfer or 
exchange shall, if surrendered to any Person other than the Trustee, be 
delivered to the Trustee and shall be promptly cancelled by it.  The Company 
may at any time deliver to the Trustee for cancellation any Securities 
previously authenticated and delivered hereunder which the Company may have 
acquired in any manner whatsoever, and all Securities so delivered shall be 
promptly cancelled by the Trustee.  No Securities shall be authenticated in 
lieu of or in exchange for any Securities cancelled as provided in this 
Section 309, except as expressly permitted by this Indenture.  All cancelled 
Securities held by the Trustee shall be disposed of as directed by the 
Company pursuant to a Company Order, provided, however, that the Trustee 
shall not be required to destroy such cancelled Securities.

         Section 130.  Computation of Interest.

         Interest on the Securities shall be computed on the basis of a 
360-day year of twelve 30-day months.

         Section 311.  Registration Rights of Holders of Initial Securities.

         Pursuant to the terms of the Registration Rights Agreement, holders 
of Initial Securities, if any, shall be entitled to the benefits of the 
Registration Rights Agreement.

         Section 312.  CUSIP Numbers.

         The Company in issuing the Securities may use "CUSIP" numbers (if 
then generally in use) in addition to serial numbers, and, if so, the Trustee 
shall use such "CUSIP" numbers in addition to serial numbers in notices of 
repurchase as a convenience to Holders; provided that any such notice may 
state that no representation is made as to the correctness of such numbers 
either as printed on the Securities or as contained in any notice of a 
repurchase and that reliance may be placed only on the serial or other 
identification numbers printed on the Securities, and any such repurchase 
shall not be affected by any defect in or omission of such "CUSIP" numbers.  
The Company will promptly notify the Trustee of any change in the "CUSIP" 
numbers.

         Section 313.  Book-Entry Provisions for Global Securities.

         (a) The Global Securities initially shall (i) be registered in the 
    name of the Depository or the nominee of such Depository, (ii) be delivered 
    to the Trustee as custodian for such Depository and (iii) bear legends as 
    set forth in Section 206 and, in the case of Restricted Securities in the 
    form of Global Securities, Section 205.

<PAGE>

                                      41

         Members of, or participants in, the Depository ("Agent Members") 
shall have no rights under this Indenture with respect to any Global Security 
held on their behalf by the Depository, or the Trustee as its custodian, or 
under the Global Security, and the Depository may be treated by the Company, 
the Trustee and any agent of the Company or the Trustee as the absolute owner 
of the Global Security for all purposes whatsoever.  Notwithstanding the 
foregoing, nothing herein shall prevent the Company, the Trustee or any agent 
of the Company or the Trustee from giving effect to any written 
certification, proxy or other authorization furnished by the Depository or 
impair, as between the Depository and its Agent Members, the operation of 
customary practices governing the exercise of the rights of a Holder of any 
Security.

         (b) Transfers of Global Securities shall be limited to transfers in 
    whole, but not in part, to the Depository, its successors or their 
    respective nominees.  Interests of beneficial owners in a Rule 144A Global 
    Security may be transferred or exchanged for interests in a Regulation S 
    Global Security, and interests of beneficial owners in a Regulation S Global
    Security may be transferred or exchanged for interests in a Rule 144A Global
    Security, in each case in accordance with the rules and procedures of the 
    Depository and the provisions of Section 314. Interests of beneficial owners
    in the Global Securities may be transferred or exchanged for Physical 
    Securities in accordance with the rules and procedures of the Depository and
    the provisions of Section 314.

         In addition, Physical Securities shall be transferred to all 
beneficial owners in exchange for their beneficial interests in a Global 
Security if (i) the Depository notifies the Company that it is unwilling or 
unable to continue as a depository for such Global Security or if at any time 
the Depository ceases to be a clearing agency registered under the Exchange 
Act, and a successor depository is not appointed by the Company within 90 
days, (ii) there shall have occurred and be continuing an Event of Default 
with respect to the Securities represented by such Global Security or (iii) 
the Company at any time determines not to have Securities represented by a 
Global Security. 

         Except as provided above, any Security authenticated and delivered 
upon registration of transfer of, or in exchange for, or in lieu of, any 
Global Security, whether pursuant to this Section 313, Section 304, 305, 306 
or 906 or otherwise, shall also be a Global Security and bear the legend 
specified in Section 206.

         (c)   In connection with any transfer or exchange of a portion of the 
   beneficial interest in any Global Security to beneficial owners pursuant to 
   paragraph (b), the Security Registrar shall (if one or more Physical 
   Securities are to be issued) reflect on its books and records the date and a 
   decrease in the principal amount of the Global Security in an amount equal 
   to the principal amount of the beneficial interest in the Global Security to 
   be transferred, and the Company shall execute, and the Trustee shall 
   authenticate and deliver, 

<PAGE>

                                      42

one or more Physical Securities of like tenor and principal amount of 
authorized denominations.

         (d) In connection with the transfer of Global Securities as an 
entirety to beneficial owners pursuant to paragraph (b), the Global 
Securities shall be deemed to be surrendered to the Trustee for cancellation, 
and the Company shall execute, and the Trustee shall authenticate and 
deliver, to each beneficial owner identified by the Depository in exchange 
for its beneficial interest in the Global Securities, an equal aggregate 
principal amount of Physical Securities of like tenor of authorized 
denominations.

         (e) Any Physical Security delivered in exchange for an interest in a 
Global Security pursuant to paragraph (b) or (c) of this Section 313 shall, 
except as otherwise provided by clause (1)(x) of paragraph (a) and by 
paragraph (d) of Section 314, bear the legend set forth in Section 205.

         (f) The Holder of any Global Security may grant proxies and 
otherwise authorize any person, including Agent Members and persons that may 
hold interests through Agent Members, to take any action which a Holder is 
entitled to take under this Indenture or the Securities.

         Section 314.  Special Transfer Provisions.

         (a) Transfers to Non-U.S. Persons.  The following provisions shall 
apply with respect to the registration of any proposed transfer of a 
Restricted Security to any non-U.S. person:

              (1) the Security Registrar shall register the transfer of any 
         Restricted Security if (x) the requested transfer is not prior to the 
         date which is two years (or such other period as may be prescribed by 
         Rule 144(k) under the Securities Act or any successor provision 
         thereunder) after the later of the original issue date of such 
         Security (or of any Predecessor Security) or the last day on which 
         the Company or any Affiliate of the Company was the owner of such
         Security or any Predecessor Security or (y) the proposed transferee has
         checked the box provided for on the form of Security stating, and has
         provided to the Security Registrar such certifications, opinions and
         other information as the Security Registrar may (and, if so directed by
         the Company, shall) require, stating that such Security is being
         transferred pursuant to offers and sales to non-U.S. persons that occur
         outside the United States within the meaning of Regulation S under the
         Securities Act; and

              (2) the Security Registrar shall register the transfer of any 
         Restricted Security if the proposed transferor is an Agent Member 
         holding a beneficial interest in a Rule 144A Global Security, upon 
         receipt by the Security Registrar of (x) the 

<PAGE>

                                      43

         certificate, if any, required by paragraph (1) above and (y)
         instructions given in accordance with the Depository's and the
         Security Registrar's procedures;

whereupon the Security Registrar shall reflect on its books and records the 
date of such transfer and (A) (if the transfer involves a transfer of a 
beneficial interest in a Rule 144A Global Security) a decrease in the 
principal amount of such Rule 144A Global Security in an amount equal to the 
principal amount to be transferred and (B) an increase in the principal 
amount of a Regulation S Global Security in an amount equal to the principal 
amount to be transferred.

         (b) Transfers to QIBs.  The following provisions shall apply with 
respect to the registration of any proposed transfer of a Restricted Security 
to a person purporting to be a QIB (excluding transfers to non-U.S. persons):

              (1) the Security Registrar shall register the transfer of any 
         Restricted Security if such transfer is being made by a proposed 
         transferor who has checked the box provided for on the form of Security
         stating, or who has otherwise advised the Company and the Security 
         Registrar in writing, that the transfer has been made in compliance 
         with the exemption from registration under the Securities Act provided 
         under Rule 144A to a transferee who has signed the certification 
         provided for on the form of Security stating, or has otherwise advised 
         the Company and the Security Registrar in writing, that such transferee
         represents and warrants that it is purchasing the Security for its own 
         account or an account with respect to which it exercises sole 
         investment discretion and that each of it and any such account is a 
         QIB within the meaning of Rule 144A and is aware that the sale to it 
         is being made in reliance on Rule 144A and acknowledges that it has 
         received such information regarding the Company as it has requested 
         pursuant to Rule 144A or has determined not to request such information
         and that it is aware that the transferor is relying upon the foregoing 
         representations in order to claim the exemption from registration 
         provided by Rule 144A; and

              (2) the Security Registrar shall register the transfer of any 
         Restricted Security if the proposed transferee is an Agent Member, and 
         the Securities to be transferred consist of Physical Securities which 
         after transfer are to be evidenced by an interest in the Rule 144A 
         Global Security, upon receipt by the Security Registrar of instructions
         given in accordance with the Depository's and the Security Registrar's 
         procedures, the Security Registrar shall reflect on the Security 
         Register the date and an increase in the principal amount of the 
         Rule 144A Global Security in an amount equal to the principal amount 
         of the Physical Securities to be transferred, and the Trustee shall 
         cancel the Physical Securities so transferred.

<PAGE>

                                      44

         (c) Other Transfers.  If a Holder proposes to transfer a Security 
pursuant to any exemption from the registration requirements of the 
Securities Act other than as provided for by Sections 314(a) and 314(b), the 
Security Registrar shall only register such transfer or exchange if such 
transferor delivers to the Security Registrar and the Trustee an Opinion of 
Counsel satisfactory to the Company and the Security Registrar that such 
transfer is in compliance with the Securities Act and the terms of this 
Indenture; provided that the Company may, based upon the opinion of its 
counsel, instruct the Security Registrar by a Company Order not to register 
such transfer in any case where the proposed transferee is not a QIB or a 
non-U.S. person.

         (d) Private Placement Legend.  Upon the registration of transfer, 
exchange or replacement of Restricted Securities, the Security Registrar 
shall deliver only Securities that bear the legend set forth in Section 205 
unless the circumstances contemplated by clause (a)(1)(x) of this Section 314 
exist.  By its acceptance of any Security bearing the legend set forth in 
Section 205, each Holder of such a Security acknowledges the restrictions on 
transfer of such Security set forth in this Indenture and in such legend and 
agrees that it will transfer such Security only as provided in this Indenture.

         The Security Registrar shall retain copies of all letters, notices 
and other written communications received pursuant to Section 313 or this 
Section 314 for a period of two years, after which time such letters, notices 
and other written communications shall at the written request of the Company 
be delivered to the Company.  The Company shall have the right to inspect and 
make copies of all such letters, notices or other written communications at 
any reasonable time upon the giving of reasonable prior written notice to the 
Security Registrar.

         (e) Termination of Restrictions.  The restrictions imposed by this 
Section 314 upon the transferability of any particular Restricted Security 
shall cease and terminate (a) on the later of August 26, 1999 and two years 
after the last date on which the Company or any Affiliate of the Company was 
the owner of such Restricted Security (or any predecessor of such Restricted 
Security) or (b) (if earlier) if and when such Restricted Security has been 
sold pursuant to an effective registration statement under the Securities 
Act.  Any Restricted Security as to which such restrictions on transfer shall 
have expired in accordance with their terms or shall have terminated may, 
upon surrender of such Restricted Security for exchange to the Trustee or any 
transfer agent in accordance with the provisions of Section 305, be exchanged 
for a new Initial Security, of like tenor and aggregate principal amount, 
which shall not bear the restrictive legend required by Section 205.  The 
Company shall inform the Trustee in writing of (a) the effective date of any 
registration statement registering the Initial Securities under the 
Securities Act and (b) at the request of the Trustee, the date which is two 
years after the last date on which the Company or any Affiliate of the 
Company was the owner of a Restricted Security in the event that an Exchange 
Offer has not been consummated.

<PAGE>

                                 45


                            ARTICLE FOUR

                    SATISFACTION AND DISCHARGE

         Section 401.  Satisfaction and Discharge of Indenture.

         This Indenture shall, upon Company Request, cease to be of further 
effect (except as to surviving rights of registration of transfer or exchange 
of Securities herein expressly provided for) and the Trustee, on demand of 
and at the expense of the Company, shall execute proper instruments 
acknowledging satisfaction and discharge of this Indenture, when

         (a) either

              (1) all Securities theretofore authenticated and delivered (other
         than (i) Securities which have been destroyed, lost or stolen and 
         which have been replaced or paid as provided in Section 306 and 
         (ii) Securities for whose payment money has theretofore been deposited
         in trust or segregated and held in trust by the Company and thereafter
         repaid to the Company or discharged from such trust, as provided in 
         Section 1003) have been delivered to the Trustee for cancellation; or

              (2) all such Securities not theretofore delivered to the Trustee 
         for cancellation

                   (i) have become due and payable, or 

                  (ii) will become due and payable within one year,

         and the Company, in the case of (i) or (ii) above, has irrevocably 
         deposited or caused to be deposited with the Trustee as trust funds in
         trust for the purpose an amount sufficient to pay and discharge the 
         entire indebtedness on such Securities not theretofore delivered to 
         the Trustee for cancellation, for principal and interest to the date 
         of such deposit (in the case of Securities which have become due and
         payable) or to the Stated Maturity;

         (b) the Company has paid or caused to be paid all other sums 
     payable hereunder by the Company; and

<PAGE>

                                          46

         (c) the Company has delivered to the Trustee an Officers' 
     Certificate and an Opinion of Counsel each stating that all conditions 
     precedent herein provided for relating to the satisfaction and discharge 
     of this Indenture have been complied with.

Notwithstanding the satisfaction and discharge of this Indenture, the 
obligations of the Company to the Trustee under Section 606 and, if money 
shall have been deposited with the Trustee pursuant to subclause (2) of 
Subsection (a) of this Section 401, the obligations of the Trustee under 
Section 402 and the last paragraph of Section 1003 shall survive.

         Section 402.  Application of Trust Money.

         Subject to the provisions of the last paragraph of Section 1003, all 
money deposited with the Trustee pursuant to Section 401 shall be held in 
trust and applied by it, in accordance with the provisions of the Securities 
and this Indenture, to the payment, either directly or through any Paying 
Agent (including the Company acting as Paying Agent) as the Trustee may 
determine, to the Persons entitled thereto, of the principal and interest for 
whose payment such money has been deposited with the Trustee.

                                     ARTICLE FIVE

                                       REMEDIES

         Section 501.  Events of Default.

         An "Event of Default" occurs if:

         (a) the Company defaults in the payment of interest on any Security 
     when the same becomes due and payable and such default continues for a 
     period of 30 days;

         (b) the Company defaults in the payment of the principal of any 
     Security when the same becomes due and payable at maturity, upon 
     acceleration or otherwise;

         (c) the Company fails to comply with any of its other agreements or 
    covenants in, or provisions of, the Securities or this Indenture, and the 
    Default continues for the period and after the notice, if any, specified 
    below;

         (d) a default occurs under any mortgage, indenture or instrument 
     under which there may be issued or by which there may be secured or 
     evidenced any Indebtedness for money borrowed by the Company or one of 
     its Restricted Subsidiaries (or the payment of which is guaranteed by 
     the Company or one of its Restricted Subsidiaries), whether such 
     Indebtedness or guarantee now exists or shall 

<PAGE>

                                          47

    be created hereafter (but excluding any Indebtedness for the deferred
    purchase price of property or services owed to the Person providing such
    property or services as to which the Company or such Restricted Subsidiary
    is contesting its obligation to pay the same in good faith and by proper
    proceedings and for which the Company or such Restricted Subsidiary has
    established appropriate reserves), and (i) either (A) such event of default
    results from the failure to pay any such Indebtedness at final maturity or
    (B) as a result of such event of default the maturity of such Indebtedness
    has been accelerated prior to its expressed maturity and (ii) the principal
    amount of such Indebtedness equals $10,000,000 or more or, together with
    the principal amount of any such Indebtedness in default for failure to pay
    principal at maturity or the maturity of which has been so accelerated,
    aggregates $10,000,000 or more;

         (e) a final judgment or final judgments for the payment of money are 
    entered by a court or courts of competent jurisdiction against the 
    Company or any Restricted Subsidiary and either (i) an enforcement 
    proceeding shall have been commenced by any creditor upon such judgment 
    or (ii) such judgment remains undischarged and unbonded for a period 
    (during which execution shall not be effectively stayed) of 60 days, 
    provided that the aggregate of all such judgments exceeds $10,000,000;

         (f) the Company pursuant to or within the meaning of any Bankruptcy 
    Law:

              (i)   commences a voluntary case or proceeding, 

              (ii)  consents to the entry of an order for relief against it 
         in an involuntary case or proceeding,

              (iii) consents to the appointment of a Custodian of it or for 
         all or substantially all of its property,

              (iv)  makes a general assignment for the benefit of its 
         creditors, or

              (v)   admits in writing that it generally is unable to pay its 
         debts as the same become due; or

         (g) a court of competent jurisdiction enters an order or decree 
    under any Bankruptcy Law that:

              (i)  is for relief against the Company in an involuntary case 
         or proceeding,


<PAGE>

                                          48


              (ii)  appoints a Custodian of the Company or for all or 
         substantially all of its property, or

              (iii) orders the liquidation of the Company;

    and in each case the order or decree remains unstayed and in effect for 60
    days.

         The term "Bankruptcy Law" means Title 11, U.S. Code or any similar 
Federal or state law for the relief of debtors.  The term "Custodian" means 
any receiver, trustee, assignee, liquidator, sequestrator or similar official 
under any Bankruptcy Law.

         A Default under Section 501(c) is not an Event of Default until the 
Trustee notifies the Company in writing, or the Holders of at least 25% in 
principal amount of the Securities then Outstanding notify the Company and 
the Trustee in writing, of the Default, and the Company does not cure the 
Default within 60 days (30 days in the case of a Default under Section 801 or 
1004) after receipt of the notice.  The notice must specify the Default, 
demand that it be remedied and state that the notice is a "Notice of 
Default."  Such notice to the Company shall be given by the Trustee if so 
requested in writing by the Holders of 25% of the principal amount of the 
Securities then Outstanding.

         Section 502.  Acceleration of Maturity; Rescission.

         If an Event of Default (other than an Event of Default specified in 
Section 501(f) or 501(g)) occurs and is continuing, the Trustee or the 
Holders of at least 25% of the principal amount of the Initial Securities and 
the Exchange Securities then Outstanding, voting together as a single class, 
by written notice to the Company and the agents, if any, under the Bank 
Credit Agreement (and to the Trustee if such notice is given by the Holders), 
may, and the Trustee at the request of such Holders shall, declare all unpaid 
principal of and accrued interest on all the Securities to be due and 
payable, as specified below.  Upon a declaration of acceleration, such 
principal and accrued interest shall be due and payable 10 days after receipt 
by the Company of such written notice given hereunder.  If an Event of 
Default specified in Section 501(f) or 501(g) with respect to the Company 
occurs, the amounts described above shall ipso facto become and be 
immediately due and payable without any declaration or other act on the part 
of the Trustee or any Holder.  Upon payment of such principal and interest 
all of the Company's obligations under the Securities and this Indenture, 
other than obligations under Section 606, shall terminate.

         The Holders of at least a majority in principal amount of the 
Initial Securities and the Exchange Securities then Outstanding, voting 
together as a single class, by written notice to the Trustee, may rescind an 
acceleration and its consequences if (i) all existing Events of Default, 
other than the non-payment of principal of or interest on the Securities 
which have become due solely because of the acceleration, have been cured or 
waived and 

<PAGE>

                                          49


(ii) the rescission would not conflict with any judgment or decree of a court 
of competent jurisdiction.

         Notwithstanding the preceding paragraph, in the event of a 
declaration of acceleration in respect of the Securities because an Event of 
Default specified in Section 501(d) shall have occurred and be continuing, 
such declaration of acceleration shall be automatically annulled if the 
Indebtedness that is the subject of such Event of Default has been discharged 
or the holders thereof have rescinded their declaration of acceleration in 
respect of such Indebtedness, and written notice of such discharge or 
rescission, as the case may be, shall have been given to the Trustee by the 
Company and countersigned by the holders of such Indebtedness or a trustee, 
fiduciary or agent for such holders, within 30 days after such declaration of 
acceleration in respect of the Securities, and no other Event of Default has 
occurred during such 30-day period which has not been cured or waived during 
such period.

         Notices by the Trustee to the agents under the Bank Credit Agreement 
provided for herein shall be delivered or mailed to Toronto Dominion (Texas), 
Inc., 909 Fannin Street, Suite 1700, Houston, Texas 77010, Attention: Agency 
Department; and to any other person who hereafter becomes an agent under the 
Bank Credit Agreement, provided the Trustee has been notified by the Company 
or the Banks of the names and mailing addresses of such persons.

         Section 503.  Collection of Indebtedness and Suits for Enforcement 
by Trustee.

                   The Company covenants that if

         (a) default is made in the payment of any interest on any Security 
     when such interest becomes due and payable and such default continues for
     a period of 30 days, or

         (b) default is made in the payment of the principal of any Security 
    at the Maturity thereof,

the Company will, upon demand of the Trustee, pay to it, for the benefit of 
the Holders of such Securities, the whole amount then due and payable on such 
Securities for principal and interest, with interest upon the overdue 
principal and, to the extent that payment of such interest shall be legally 
enforceable, upon overdue installments of interest, at the rate borne by the 
Securities; and, in addition thereto, such further amount as shall be 
sufficient to cover the costs and expenses of collection, including the 
reasonable compensation, expenses, disbursements and advances of the Trustee, 
its agents and counsel.

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                                          50


         If the Company fails to pay such amounts forthwith upon such demand, 
the Trustee, in its own name and as trustee of an express trust, may 
institute a judicial proceeding for the collection of the sums so due and 
unpaid and may prosecute such proceeding to judgment or final decree, and may 
enforce the same against the Company or any other obligor upon the Securities 
and collect the moneys adjudged or decreed to be payable in the manner 
provided by law out of the property of the Company or any other obligor upon 
the Securities, wherever situated.

         If an Event of Default occurs and is continuing, the Trustee may in 
its discretion proceed to protect and enforce its rights and the rights of 
the Holders under this Indenture by such appropriate private or judicial 
proceedings as the Trustee shall deem most effectual to protect and enforce 
such rights.

         Section 504.  Trustee May File Proofs of Claim.

         In case of the pendency of any receivership, insolvency, 
liquidation, bankruptcy, reorganization, arrangement, adjustment, composition 
or other judicial proceeding relative to the Company or any other obligor 
upon the Securities or the property of the Company or of such other obligor 
or their creditors, the Trustee (irrespective of whether the principal of the 
Securities shall then be due and payable as therein expressed or by 
declaration or otherwise and irrespective of whether the Trustee shall have 
made any demand on the Company for the payment of overdue principal or 
interest) shall be entitled and empowered, by intervention in such proceeding 
or otherwise, 

         (a) to file and prove a claim for the whole amount of principal and 
    interest owing and unpaid in respect of the Securities and to file such 
    other papers or documents as may be necessary or advisable in order to 
    have the claims of the Trustee (including any claim for the reasonable 
    compensation, expenses, disbursements and advances of the Trustee, its 
    agents and counsel) and of the Holders allowed in such judicial 
    proceeding, and

         (b) to collect and receive any moneys or other property payable or 
    deliverable on any such claims and to distribute the same; and any 
    custodian, receiver, assignee, trustee, liquidator, sequestrator or 
    similar official in any such judicial proceeding is hereby authorized by 
    each Holder to make such payments to the Trustee and, in the event that 
    the Trustee shall consent to the making of such payments directly to the 
    Holders, to pay the Trustee any amount due it for the reasonable 
    compensation, expenses, disbursements and advances of the Trustee, its 
    agents and counsel, and any other amounts due the Trustee under Section 
    606.

         Nothing herein contained shall be deemed to authorize the Trustee to 
authorize or consent to or accept or adopt on behalf of any Holder any 
proposal, plan of 

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                                          51

reorganization, arrangement, adjustment or composition or other similar 
arrangement affecting the Securities or the rights of any Holder thereof, or 
to authorize the Trustee to vote in respect of the claim of any Holder in any 
such proceeding.

         Section 505.  Trustee May Enforce Claims Without Possession of 
Securities.

         All rights of action and claims under this Indenture or the 
Securities may be prosecuted and enforced by the Trustee without the 
possession of any of the Securities or the production thereof in any 
proceeding relating thereto, and any such proceeding instituted by the 
Trustee shall be brought in its own name and as trustee of an express trust, 
and any recovery of judgment shall, after provision for the payment of the 
reasonable compensation, expenses, disbursements and advances of the Trustee, 
its agents and counsel, be for the ratable benefit of the Holders of the 
Securities in respect of which such judgment has been recovered.

         Section 506.  Application of Money Collected.

         Any money collected by the Trustee pursuant to this Article shall be 
applied in the following order, at the date or dates fixed by the Trustee 
and, in case of the distribution of such money on account of principal or 
interest, upon presentation of the Securities and the notation thereon of the 
payment if only partially paid and upon surrender thereof if fully paid:

              FIRST:  To the payment of all amounts due the Trustee under
         Section 606;

              SECOND:  To the payment of the amounts then due and unpaid
         upon the Securities for principal and interest, in respect of which or
         for the benefit of which such money has been collected, ratably, 
         without preference or priority of any kind, according to the amounts 
         due and payable on such Securities for principal and interest; and

              THIRD:  The balance, if any, to the Company.

         Section 507.  Limitation on Suits.

         No Holder of any Securities shall have any right to 
institute any proceeding, judicial or otherwise, with respect to this 
Indenture or the Securities, or for the appointment of a receiver or trustee, 
or for any other remedy hereunder, unless

         (a) such Holder has previously given written notice to the Trustee of 
    a continuing Event of Default;


<PAGE>

                                          52


         (b) the Holders of not less than 25% in principal amount of the 
    Initial Securities and the Exchange Securities then Outstanding, voting 
    together as a single class, shall have made written request to the Trustee
    to institute proceedings in respect of such Event of Default in its own 
    name as Trustee hereunder;

         (c) such Holder or Holders have offered to the Trustee reasonable 
    indemnity against the costs, expenses and liabilities to be incurred in 
    compliance with such request;

         (d) the Trustee for 60 days after its receipt of such notice, request
    and offer of indemnity has failed to institute any such proceeding; and

         (e) no direction inconsistent with such written request has been given
    to the Trustee during such 60-day period by the Holders of a majority in 
    principal amount of the Outstanding Securities;

it being understood and intended that no one or more Holders shall have any 
right in any manner whatever by virtue of, or by availing of, any provision 
of this Indenture to affect, disturb or prejudice the rights of any other 
Holders, or to obtain or to seek to obtain priority or preference over any 
other Holders or to enforce any right under this Indenture except in the 
manner provided in this Indenture and for the equal and ratable benefit of 
all the Holders.

         Section 508.  Unconditional Right of Holders to Receive Principal 
and Interest.

         Notwithstanding any other provision in this Indenture, the Holder of 
any Security shall have the right, which is absolute and unconditional, to 
receive payment of the principal of and (subject to Section 307) interest on 
such Security on the respective due dates expressed in such Security and to 
institute suit for the enforcement of any such payment, and such rights shall 
not be impaired without the consent of such Holder.

         Section 509.  Restoration of Rights and Remedies.

         If the Trustee or any Holder has instituted any proceeding to 
enforce any right or remedy under this Indenture and such proceeding has been 
discontinued or abandoned for any reason, or has been determined adversely to 
the Trustee or to such Holder, then and in every such case the Company, the 
Trustee and the Holders shall, subject to any determination in such 
proceeding, be restored severally and respectively to their former positions 
hereunder, and thereafter all rights and remedies of the Trustee and the 
Holders shall continue as though no such proceeding had been instituted.

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                                          53


         Section 510.  Rights and Remedies Cumulative.

         Except as provided in Section 306, no right or remedy herein 
conferred upon or reserved to the Trustee or to the Holders is intended to be 
exclusive of any other right or  remedy, and every right and remedy shall, to 
the extent permitted by law, be cumulative and in addition to every other 
right and remedy given hereunder or now or hereafter existing at law or in 
equity or otherwise. The assertion or employment of any right or remedy 
hereunder, or otherwise, shall not prevent the concurrent assertion or 
employment of any other appropriate right or remedy.

         Section 511.  Delay or Omission Not Waiver.

         No delay or omission of the Trustee or of any Holder of any Security 
to exercise any right or remedy accruing upon any Event of Default shall 
impair any such right or remedy or constitute a waiver of any such Event of 
Default or an acquiescence therein.  Every right and remedy given by this 
Article or by law to the Trustee or to the Holders may be exercised from time 
to time, and as often as may be deemed expedient, by the Trustee or by the 
Holders, as the case may be.

          Section 512.  Control by Holders.

          The Holders of a majority in principal amount of the Initial 
Securities and the Exchange Securities then Outstanding, voting together as a 
single class, shall have the right to direct the time, method and place of 
conducting any proceeding for any remedy available to the Trustee, or 
exercising any trust or power conferred on the Trustee, provided that

         (a) such direction shall not be in conflict with any rule of law or 
    with this Indenture or expose the Trustee to personal liability, and

     (b) subject to the provisions of Trust Indenture Act Section 315, the 
    Trustee may take any other action deemed proper by the Trustee which is not
    inconsistent with such direction.

         Section 513.  Waiver of Past Defaults.

         The Holders of a majority in principal amount of the Initial 
Securities and the Exchange Securities then Outstanding, voting together as a 
single class, may on behalf of the Holders of all the Securities waive any 
past Default or Event of Default hereunder and its consequences, except a 
Default or Event of Default

         (a) in the payment of the principal of or interest on any Security, or

<PAGE>

                                          54


         (b) in respect of a covenant or provision hereof which under Article 
     Nine cannot be modified or amended without the consent of the Holder of 
     each Outstanding Security affected.

         Upon any such waiver, such default shall cease to exist, and any 
Event of Default arising therefrom shall be deemed to have been cured, for 
every purpose of this Indenture; but no such waiver shall extend to any 
subsequent or other default or impair any right consequent thereon.

         Section 514.  Undertaking for Costs.

         All parties to this Indenture agree, and each Holder of any Security 
by his acceptance thereof shall be deemed to have agreed, that any court may 
in its discretion require, in any suit for the enforcement of any right or 
remedy under this Indenture, or in any suit against the Trustee for any 
action taken, suffered or omitted by it as Trustee, the filing by any party 
litigant in such suit of an undertaking to pay the costs of such suit, and 
that such court may in its discretion assess reasonable costs, including 
reasonable attorneys' fees and expenses, against any party litigant in such 
suit, having due regard to the merits and good faith of the claims or 
defenses made by such party litigant; but the provisions of this Section 514 
shall not apply to any suit instituted by the Trustee, to any suit instituted 
by any Holder, or group of Holders, holding in the aggregate more than 10% in 
principal amount of the Initial Securities and the Exchange Securities then 
Outstanding, voting together as a single class, or to any suit instituted by 
any Holder for the enforcement of the payment of the principal of or interest 
on any Security on or after the respective Stated Maturities expressed in 
such Security; provided that neither this Section 514 nor the Trust Indenture 
Act shall be deemed to authorize any court to require such an undertaking or 
to make such an assessment in any suit instituted by the Company.

         Section 515.  Waiver of Stay, Extension or Usury Laws.

         The Company covenants (to the extent that it may lawfully do so) 
that it will not at any time insist upon, or plead, or in any manner 
whatsoever claim or take the benefit or advantage of, any stay, extension or 
usury law wherever enacted, now or at any time hereafter in force, which may 
affect the covenants or the performance of this Indenture; and the Company 
(to the extent that it may lawfully do so) hereby expressly waives all 
benefit or advantage of any such law, and covenants that it will not hinder, 
delay or impede the execution of any power herein granted to the Trustee, but 
will suffer and permit the execution of every such power as though no such 
law had been enacted.

<PAGE>

                                          55

                                     ARTICLE SIX

                                     THE TRUSTEE

         Section 601.  Notice of Defaults.

         Within 90 days after the occurrence of any Default, the Trustee 
shall transmit by mail to all Holders, as their names and addresses appear in 
the Security Register, notice of such Default hereunder known to the Trustee, 
unless such default shall have been cured or waived; provided, however, that, 
except in the case of a default in the payment of the principal of or 
interest on any Security, the Trustee shall be protected in withholding such 
notice if and so long as the board of directors, the executive committee or a 
trust committee of directors and/or Responsible Officers of the Trustee in 
good faith determines that the withholding of such notice is in the interest 
of the Holders; and provided further that, in the case of any default or 
breach of the character specified in Section 501(d), no such notice to 
Holders shall be given until at least 30 days after the occurrence thereof.

         Section 602.  Certain Rights of Trustee.

         Subject to the provisions of Trust Indenture Act Sections 315(a) 
through 315(d):

         (a) the Trustee may conclusively rely and shall be protected in 
    acting or refraining from acting upon any resolution, certificate, 
    statement, instrument, opinion, report, notice, request, direction, 
    consent, order, bond, debenture, note, other evidence of indebtedness or 
    other paper or document believed by it to be genuine and to have been 
    signed or presented by the proper party or parties;

         (b) any request or direction of the Company mentioned herein shall 
    be sufficiently evidenced by a Company Request or Company Order and any 
    resolution of the Board of Directors may be sufficiently evidenced by a 
    Board Resolution;

         (c) whenever in the administration of this Indenture the Trustee 
    shall deem it desirable that a matter be proved or established prior to 
    taking, suffering or omitting any action hereunder, the Trustee (unless 
    other evidence be herein specifically prescribed) may, in the absence of 
    bad faith on its part, rely upon an Officers' Certificate;

         (d) the Trustee may consult with counsel of its selection and the 
    advice of such counsel or any Opinion of Counsel shall be full and 
    complete authorization and protection in respect of any action taken, 
    suffered or omitted by it hereunder in good faith and in reliance thereon;

<PAGE>

                                          56

         (e) the Trustee shall be under no obligation to exercise any of the 
    rights or powers vested in it by this Indenture at the request or 
    direction of any of the Holders pursuant to this Indenture, unless such 
    Holders shall have offered to the Trustee reasonable security or 
    indemnity against the costs, expenses and liabilities which might be 
    incurred by it in compliance with such request or direction;

         (f) the Trustee shall not be bound to make any investigation into 
    the facts or matters stated in any resolution, certificate, statement, 
    instrument, opinion, report, notice, request, direction, consent, order, 
    bond, debenture, note, other evidence of indebtedness or other paper or 
    document, but the Trustee, in its discretion, may make such further 
    inquiry or investigation into such facts or matters as it may see fit, 
    and, if the Trustee shall determine to make such further inquiry or 
    investigation, it shall be entitled to examine the books, records and 
    premises of the Company, personally or by agent or attorney;

         (g) the Trustee may execute any of the trusts or powers hereunder or 
    perform any duties hereunder either directly or by or through agents or 
    attorneys and the Trustee shall not be responsible for any misconduct or 
    negligence on the part of any agent or attorney appointed with due care 
    by it hereunder; and

         (h) no provision of this Indenture shall require the Trustee to 
    expend or risk its own funds or otherwise incur any financial liability 
    in the performance of any of its duties hereunder, or in the exercise of 
    any of its rights or powers, if it shall have reasonable grounds for 
    believing that repayment of such funds or adequate indemnity against such 
    risk or liability is not reasonably assured to it.

         Section 603.  Not Responsible for Recitals or Issuance of Securities.

         The recitals contained herein and in the Securities, except the 
Trustee's certificates of authentication, shall be taken as the statements of 
the Company, and the Trustee assumes no responsibility for their correctness. 
 The Trustee makes no representations as to the validity or sufficiency of 
this Indenture or of the Securities.  The Trustee shall not be accountable 
for the use or application by the Company of Securities or the proceeds 
thereof, except that the Trustee represents that it is duly authorized to 
execute and deliver this Indenture, authenticate the Securities and perform 
its obligations hereunder and that the statements to be made by it in a 
Statement of Eligibility on Form T-1 supplied to the Company are true and 
accurate, subject to the qualifications set forth therein.

<PAGE>

                                          57


         Section 604.  May Hold Securities.

         The Trustee, any Paying Agent, Security Registrar or any other agent 
of the Company, in its individual or any other capacity, may become the owner 
or pledgee of Securities and, subject to Trust Indenture Act Sections 310(b) 
and 311, may otherwise deal with the Company with the same rights it would 
have if it were not Trustee, Paying Agent, Security Registrar or such other 
agent.

         Section 605.  Money Held in Trust.

         Money held by the Trustee in trust hereunder need not be segregated 
from other funds except to the extent required by law.  The Trustee shall be 
under no liability for interest on any money received by it hereunder except 
as otherwise agreed in writing with the Company.

         Section 606.  Compensation and Reimbursement.

         The Company agrees:

         (a) to pay to the Trustee from time to time such compensation as 
    shall be agreed to in writing between the Company and the Trustee for all 
    services rendered by it hereunder (which compensation shall not be 
    limited by any provision of law in regard to the compensation of a 
    trustee of an express trust);

         (b) except as otherwise expressly provided herein, to reimburse the 
    Trustee upon its request for all reasonable expenses, disbursements and 
    advances incurred or made by the Trustee in accordance with any provision 
    of this Indenture (including the reasonable compensation and the expenses 
    and disbursements of its agents and counsel), except any such expense, 
    disbursement or advance as may be attributable to its negligence or bad 
    faith; and

         (c) to indemnify each of the Trustee or any predecessor Trustee for, 
    and to hold it harmless against, any and all loss, damage, claim, 
    liability or expense including taxes (other than taxes based on the 
    income of the Trustee) incurred without negligence or bad faith on its 
    part, arising out of or in connection with the acceptance or 
    administration of this trust, including the costs and expenses of 
    defending itself against any claim or liability in connection with the 
    exercise or performance of any of its powers or duties hereunder.

         As security for the performance of the obligations of the Company 
under this Section 606, the Trustee shall have a Lien prior to the Securities 
upon all property and funds 

<PAGE>

                                          58

held or collected by the Trustee as such, except funds held in trust for the 
benefit of Holders of particular Securities.

         When the Trustee incurs expenses or renders services in connection 
with an Event of Default specified in Section 501(f) or 501(g), the expenses 
(including the reasonable charges and expenses of its counsel) and the 
compensation for the services will be intended to constitute expenses of 
administration under any Bankruptcy Law.  

         The provisions of this Section 606 shall survive the termination of 
this Indenture.

         Section 607.  Conflicting Interests.

         (a) The Trustee shall comply with the provisions of Section 310(b) of 
    the Trust Indenture Act.

         (b) The indenture dated as of February 15, 1993, for the Company's 
    9 7/8% Senior Subordinated Debentures due 2013, the indenture dated as of 
    April 1, 1993, for the Company's 9 7/8% Debentures due 2023 and the 
    indenture dated as of November 1, 1995, for the Company's 9 1/4% Senior 
    Subordinated Debentures due 2005, the Company's 9 7/8% Senior Subordinated 
    Debentures due 2006 and the Company's 10 1/2% Senior Subordinated Debentures
    due 2016, shall be deemed to be specifically described herein for the 
    purposes of clause (i) of the first proviso contained in Section 310(b) of 
    the Trust Indenture Act.

         Section 608.  Corporate Trustee Required; Eligibility.

         There shall at all times be a Trustee hereunder qualified or to be 
qualified under Trust Indenture Act Section 310(a)(1) and which shall have a 
combined capital and surplus of at least $25,000,000 to the extent there is 
such an institution eligible and willing to serve.  If the Trustee publishes 
reports of condition at least annually, pursuant to law or to the 
requirements of Federal, State, Territorial or District of Columbia 
supervising or examining authority, then for the purposes of this Section 
608, the combined capital and surplus of the Trustee shall be deemed to be 
its combined capital and surplus as set forth in its most recent report of 
condition so published.  If at any time the Trustee shall cease to be 
eligible in accordance with the provisions of this Section 608, it shall 
resign immediately in the manner and with the effect hereinafter specified in 
this Article.

         Section 609.  Resignation and Removal; Appointment of Successor.

         (a) No resignation or removal of the Trustee and no appointment of a 
    successor Trustee pursuant to this Article shall become effective until the
    acceptance of appointment by the successor Trustee under Section 610.

<PAGE>

                                          59


         (b) The Trustee may resign at any time by giving written notice 
    thereof to the Company.  If an instrument of acceptance by a successor 
    Trustee shall not have been delivered to the Trustee within 30 days after 
    the giving of such notice of resignation, the resigning Trustee may 
    petition any court of competent jurisdiction for the appointment of a 
    successor Trustee.

         (c) The Trustee may be removed at any time by an Act of the Holders 
    of a majority in principal amount of the Outstanding Securities, delivered 
    to the Trustee and the Company.  If an instrument of acceptance by a 
    successor Trustee shall not have been delivered to the Trustee within 30 
    days after the giving of such notice of removal, the removed Trustee may 
    petition any court of competent jurisdiction for the appointment of a 
    successor Trustee.

         (d) If at any time:

              (1) the Trustee shall fail to comply with the provisions of 
         Trust Indenture Act Section 310(b) after written request therefor by 
         the Company or by any Holder who has been a bona fide Holder of a 
         Security for at least six months, or

              (2) the Trustee shall cease to be eligible under Section 608 
         and shall fail to resign after written request therefor by the 
         Company or by any Holder who has been a bona fide Holder of a 
         Security for at least six months, or

              (3) the Trustee shall become incapable of acting or shall be 
         adjudged a bankrupt or insolvent, or a receiver of the Trustee or of 
         its property shall be appointed or any public officer shall take 
         charge or control of the Trustee or of its property or affairs for 
         the purpose of rehabilitation, conservation or liquidation,

then, in any case, (i) the Company by a Board Resolution may remove the 
Trustee, or (ii) subject to Section 514, the Holder of any Security who has 
been a bona fide Holder of a  Security for at least six months may, on behalf 
of himself and all others similarly situated, petition any court of competent 
jurisdiction for the removal of the Trustee and the appointment of a 
successor Trustee.

         (e) If the Trustee shall resign, be removed or become incapable of 
acting, or if a vacancy shall occur in the office of Trustee for any cause, 
the Company, by a Board Resolution, shall promptly appoint a successor 
Trustee.  If, within one year after such resignation, removal or 
incapability, or the occurrence of such vacancy, a successor Trustee shall be 
appointed by Act of the Holders of a majority in principal amount of the 
Outstanding Securities delivered to the Company and the retiring Trustee, the 
successor Trustee so appointed shall, forthwith upon its acceptance of such 
appointment in accordance with Section 610, become the successor Trustee and 
supersede the successor Trustee appointed by 

<PAGE>

                                          60


the Company.  If no successor Trustee shall have been so appointed by the 
Company or the Holders of the Securities and so accepted appointment, the 
Holder of any Security who has been a bona fide Holder for at least six 
months may, on behalf of himself and all others similarly situated, petition 
any court of competent jurisdiction for the appointment of a successor 
Trustee.

         (f) The Company shall give notice of each resignation and each 
removal of the Trustee and each appointment of a successor Trustee by mailing 
written notice of such event by first-class mail, postage prepaid, to the 
Holders of Securities as their names and addresses appear in the Security 
Register.  Each notice shall include the name of the successor Trustee and 
the address of its Corporate Trust Office.

         Section 610.  Acceptance of Appointment by Successor.

         Every successor Trustee appointed hereunder shall execute, 
acknowledge and deliver to the Company and to the retiring Trustee an 
instrument accepting such appointment, and thereupon the resignation or 
removal of the retiring Trustee shall become effective and such successor 
Trustee, without any further act, deed or conveyance, shall become vested 
with all the rights, powers, trusts and duties of the retiring Trustee, 
provided, however, that the retiring Trustee shall continue to be entitled to 
the benefit of Section 606(c); but, on request of the Company or the 
successor Trustee, such retiring Trustee shall, upon payment of its charges, 
execute and deliver an instrument transferring to such successor Trustee all 
the rights, powers and trusts of the retiring Trustee, and shall duly assign, 
transfer and deliver to such successor Trustee all property and money held by 
such retiring Trustee hereunder.  Upon request of any such successor Trustee, 
the Company shall execute any and all instruments for more fully and 
certainly vesting in and confirming to such successor Trustee all such 
rights, powers and trusts.

         No successor Trustee shall accept its appointment unless at the time 
of such acceptance such successor Trustee shall be qualified and eligible 
under this Article.

         Section 611.  Merger, Conversion, Consolidation or Succession to 
Business.

         Any corporation into which the Trustee may be merged or converted or 
with which it may be consolidated, or any corporation resulting from any 
merger, conversion or consolidation to which the Trustee shall be a party, or 
any corporation succeeding to all or substantially all of the corporate trust 
business of the Trustee, shall be the successor of the Trustee hereunder, 
provided such corporation shall be otherwise qualified and eligible under 
this Article, without the execution or filing of any paper or any further act 
on the part of any of the parties hereto.  In case any Securities shall have 
been authenticated, but not delivered, by the Trustee then in office, any 
successor by merger, conversion or consolidation to such 

<PAGE>

                                          61


authenticating Trustee may adopt such authentication and deliver the 
Securities so authenticated with the same effect as if such successor Trustee 
had itself authenticated such Securities.

         Section 612.  Preferential Collection of Claims Against Company.

         If and when the Trustee shall be or become a creditor of the Company 
(or any other obligor under the Securities), the Trustee shall be subject to 
the provisions of the Trust Indenture Act regarding the collection of claims 
against the Company (or any such other obligor).

                                    ARTICLE SEVEN

                  HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY

         Section 701.  Disclosure of Names and Addresses of Holders.

         Every Holder of Securities, by receiving and holding the same, 
agrees with the Company and the Trustee that neither the Company nor the 
Trustee or any agent of either of them shall be held accountable by reason of 
the disclosure of any information as to the names and addresses of the 
Holders in accordance with Trust Indenture Act Section 312, regardless of the 
source from which such information was derived, and that the Trustee shall 
not be held accountable by reason of mailing any material pursuant to a 
request made under Trust Indenture Act Section 312.

         Section 702.  Reports by Trustee.

         Within 60 days after April ____ of each year commencing with the 
first April ____ after the Security Issue Date, the Trustee shall transmit by 
mail to all Holders, as their names and addresses appear in the Security 
Register, as provided in Trust Indenture Act Section 313(c), a brief report 
dated as of such April ____ if required by Trust Indenture Act Section 313(a).

         Section 703.  Reports by Company.

         The Company shall:

         (a) file with the Trustee, within 30 days after the Company is 
    required to file the same with the Commission, copies of the annual 
    reports and of the information, documents and other reports (or copies of 
    such portions of any of the foregoing as the Commission may from time to 
    time by rules and regulations 

<PAGE>

                                          62


    prescribe) which the Company may be required to file with the Commission
    pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of
    1934; or, if the Company is not required to file information, documents or
    reports pursuant to either of such Sections, then it shall file with the
    Trustee and the Commission, in accordance with rules and regulations
    prescribed from time to time by the Commission, such of the supplementary
    and periodic information, documents and reports which may be required
    pursuant to Section 13 of the Securities Exchange Act of 1934 in respect of
    a security listed and registered on a national securities exchange as may
    be prescribed from time to time in such rules and regulations;

         (b) file with the Trustee and the Commission, in accordance with 
    rules and regulations prescribed from time to time by the Commission, 
    such additional information, documents and reports with respect to 
    compliance by the Company with the conditions and covenants of this 
    Indenture as may be required from time to time by such rules and 
    regulations; and

         (c) transmit by mail to all Holders, as their names and addresses 
    appear in the Security Register, within 30 days after the filing thereof 
    with the Trustee, in the manner and to the extent provided in Trust 
    Indenture Act Section 313(c), such summaries of any information, 
    documents and reports required to be filed by the Company pursuant to 
    subsections (a) and (b) of this Section 703 as may be required by rules 
    and regulations prescribed from time to time by the Commission.

                                    ARTICLE EIGHT

                 CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE

         Section 801.  Company May Consolidate, Etc., Only on Certain Terms.

         The Company shall not consolidate or merge with or into, or sell, 
assign, transfer, lease, convey, or otherwise dispose of all or substantially 
all of its assets to, any Person, unless:

         (a) the Person formed by or surviving any such consolidation or 
    merger (if other than the Company), or to which such sale, assignment, 
    transfer, Lease, conveyance or disposition shall have been made, is a 
    corporation organized and existing under the laws of the United States, 
    any state thereof or the District of Columbia and shall assume by 
    supplemental indenture hereto all the obligations of the Company under 
    the Securities and this Indenture;

<PAGE>

                                          63


         (b) immediately before and immediately after such transaction, and 
    after giving effect thereto, no Default or Event of Default shall have 
    occurred and be continuing;

         (c) immediately after such transaction, and after giving effect 
    thereto, the Person formed by or surviving any such consolidation or 
    merger, or to which such sale, assignment, transfer, Lease or conveyance 
    or disposition shall have been made (the "successor"), shall have a Cash 
    Flow Ratio not in excess of 9 to 1; and

         (d) the Company has delivered to the Trustee an Officers' 
    Certificate and an Opinion of Counsel, each stating that such 
    consolidation, merger, or transfer and such supplemental indenture, if 
    one is required by this Section 801, comply with this Section 801 and 
    that all conditions precedent herein provided for relating to such 
    transaction have been complied with.

         Cash Flow Ratio for purposes of this Section 801 shall be computed 
as if any such successor were the Company.

         Section 802.  Successor Substituted.

         Upon any consolidation or merger, or any sale, assignment, transfer, 
Lease or conveyance or other disposition of all or substantially all of the 
assets, of the Company in accordance with Section 801, the successor Person 
formed by such consolidation or into which the Company is merged or to which 
such sale, assignment, transfer, Lease, conveyance or other disposition is 
made shall succeed to, and be substituted for, and may exercise every right 
and power of, the Company under this Indenture with the same effect as if 
such successor Person had been named as the Company herein. When a successor 
assumes all the obligations of its predecessor under this Indenture and the 
Securities, the predecessor will be released from those obligations, 
provided that in the case of a transfer by Lease, the predecessor corporation 
shall not be released from the payment of principal and interest on the 
Securities.


                                     ARTICLE NINE

                               SUPPLEMENTAL INDENTURES

         Section 901.  Supplemental Indentures Without Consent of Holders.

         Without the consent of any Holders, the Company, when authorized by 
a Board Resolution, and the Trustee, at any time and from time to time, may 
enter into one or 

<PAGE>

                                          64


    more indentures supplemental hereto in form satisfactory to the Trustee,
    for any of the following purposes:

         (a) to evidence the succession of another Person to the Company and 
    the assumption by any such successor of the covenants of the Company 
    herein and in the Securities;

         (b) to add to the covenants of the Company for the benefit of the 
    Holders, or to surrender any right or power herein or in the Securities 
    conferred upon the Company;

         (c) to cure any ambiguity, to correct or supplement any provision 
    herein which may be defective or inconsistent with any other provision 
    herein, or to make any other provisions with respect to matters or 
    questions arising under this Indenture; provided that, in each case, such 
    provisions shall not adversely affect the interests of the Holders in any 
    material respect;

         (d) to secure the Securities, if the Company so elects;

         (e) to make any changes necessary to qualify this Indenture under 
    the Trust Indenture Act in connection with the Exchange Offer or the 
    Shelf Registration Statement; or 

         (f) to make any other change that does not adversely affect the 
    rights of any Holder.

         Section 902.  Supplemental Indentures with Consent of Holders.

         With the consent of the Holders of not less than a majority in 
aggregate principal amount of the Initial Securities and the Exchange 
Securities then Outstanding, voting together as a single class, by Act of 
such Holders delivered to the Company and the Trustee and the Company, each 
when authorized by a Board Resolution, and the Trustee may enter into one or 
more indentures supplemental hereto for the purpose of adding any provisions 
to or changing in any manner or eliminating any of the provisions of this 
Indenture or of waiving or modifying in any manner the rights of the Holders 
under this Indenture; provided, however, that no such supplemental indenture, 
amendment or waiver shall, without the consent of the Holder of each 
Outstanding Security affected thereby:

         (a) change the Stated Maturity of the principal of, or any 
    installment of interest on, any Security, or reduce the principal amount 
    thereof or the rate of interest thereon, or change the coin or currency 
    in which the principal of any Security or the 

<PAGE>

                                          65

    interest thereon is payable, or impair the right to institute suit for the
    enforcement of any such payment after the Stated Maturity thereof; or

         (b) reduce the percentage in principal amount of the Outstanding 
    Securities, the consent of whose Holders is required for any such 
    supplemental indenture, or the consent of whose Holders is required for 
    any waiver (of compliance with certain provisions of this Indenture or 
    certain defaults hereunder and their consequences) provided for in this 
    Indenture; or

         (c) modify any of the provisions of this Section 902 or Section 513, 
    except to increase any such percentage or to provide that certain other 
    provisions of this Indenture cannot be modified or waived without the 
    consent of the Holder of each Outstanding Security affected thereby.

         It shall not be necessary for any Act of Holders under this Section 
902 to approve the particular form of any proposed supplemental indenture, 
but it shall be sufficient if such Act shall approve the substance thereof.

         Section 903.  Execution of Supplemental Indentures.

         In executing, or accepting the additional trusts created by, any 
supplemental indenture permitted by this Article or the modifications thereby 
of the trusts created by this Indenture, the Trustee shall be entitled to 
receive, and (subject to Trust Indenture Act Section 315(a) through 315(d) 
and Section 602 hereof) shall be fully protected in relying upon, an Opinion 
of Counsel stating that the execution of such supplemental indenture is 
authorized or permitted by this Indenture.  The Trustee may, but shall not be 
obligated to, enter into any such supplemental indenture which affects the 
Trustee's own rights, duties or immunities under this Indenture or otherwise.

         Section 904.  Effect of Supplemental Indentures.

         Upon the execution of any supplemental indenture under this Article, 
this Indenture shall be modified in accordance therewith, and such 
supplemental indenture shall form a part of this Indenture for all purposes; 
and every Holder of Securities theretofore or thereafter authenticated and 
delivered hereunder shall be bound thereby.

         Section 905.  Conformity with Trust Indenture Act.

         Every supplemental indenture executed pursuant to this Article shall 
conform to the requirements of the Trust Indenture Act as then in effect.

<PAGE>

                                        66


         Section 906.  Reference in Securities to Supplemental Indentures.

         Securities authenticated and delivered after the execution of any 
supplemental indenture pursuant to this Article may, and shall if required by 
the Trustee, bear a notation in form approved by the Trustee as to any matter 
provided for in such supplemental indenture.  If the Company shall so 
determine, new Securities so modified as to conform, in the opinion of the 
Trustee and the Company, to any such supplemental indenture may be prepared 
and executed by the Company and authenticated and delivered by the Trustee in 
exchange for Outstanding Securities.

                                   ARTICLE TEN

                                    COVENANTS

         Section 1001.  Payment of Principal and Interest.

         The Company will duly and punctually pay the principal of and 
interest on the Securities in accordance with the terms of the Securities and 
this Indenture.

         Section 1002.  Maintenance of Office or Agency.

         The Company will maintain, in The City of New York, an office or 
agency where Securities may be presented or surrendered for payment, where 
Securities may be surrendered for registration of transfer or exchange and 
where notices and demands to or upon the Company in respect of the Securities 
and this Indenture may be served.  If the Corporate Trust Office is located 
in New York City, then it shall be such office or agency of the Company, 
unless the Company shall designate and maintain some other office or agency 
for one or more of such purposes. The Company will give prompt written notice 
to the Trustee of any change in the location of any such office or agency.  
If at any time the Company shall fail to maintain any such required office or 
agency or shall fail to furnish the Trustee with the address thereof, such 
presentations, surrenders, notices and demands may be made or served at the 
Corporate Trust Office, and the Company hereby appoints the Trustee as its 
agent to receive all such presentations, surrenders, notices and demands.

         The Company may from time to time designate one or more other 
offices or agencies (in or outside of The City of New York) where the 
Securities may be presented or surrendered for any or all such purposes, and 
may from time to time rescind such designation; provided, however, that no 
such designation or rescission shall in any manner relieve the Company of its 
obligation to maintain an office or agency in The City of New York for such 
purposes.  The Company will give prompt written notice to the Trustee of any 
such designation or rescission and any change in the location of any such 
office or agency.

<PAGE>

                                        67


         Section 1003.  Money for Security Payments to Be Held in Trust.

         If the Company shall at any time act as its own Paying Agent, it 
will, on or before each due date of the principal of or interest on any of 
the Securities, segregate and hold in trust for the benefit of the Persons 
entitled thereto a sum sufficient to pay the principal or interest so 
becoming due until such sums shall be paid to such Persons or otherwise 
disposed of as herein provided, and will promptly notify the Trustee of its 
action or failure so to act.

         Whenever the Company shall have one or more Paying Agents for the 
Securities, it will, on or before each due date of the principal of or 
interest on any Securities, deposit with a Paying Agent a sum in same day 
funds (or New York Clearing House funds if such deposit is made prior to the 
date on which such deposit is required to be made) sufficient to pay the 
principal or interest so becoming due, such sum to be held in trust for the 
benefit of the Persons entitled to such principal or interest and (unless 
such Paying Agent is the Trustee) the Company will promptly notify the 
Trustee of such action or any failure so to act.

         The Company will cause each Paying Agent other than the Trustee to 
execute and deliver to the Trustee an instrument in which such Paying Agent 
shall agree with the Trustee, subject to the provisions of this Section 1003, 
that such Paying Agent will:

         (a) hold all sums held by it for the payment of the principal of or 
    interest on Securities in trust for the benefit of the Persons entitled 
    thereto until such sums shall be paid to such Persons or otherwise 
    disposed of as herein provided;

         (b) give the Trustee notice of any default by the Company (or any 
    other obligor upon the Securities) in the making of any payment of 
    principal or interest; and

         (c) at any time during the continuance of any such default, upon the 
    written request of the Trustee, forthwith pay to the Trustee all sums so 
    held in trust by such Paying Agent.

         The Company may at any time, for the purpose of obtaining the 
satisfaction and discharge of this Indenture or for any other purpose, pay, 
or by Company Order direct any Paying Agent to pay, to the Trustee all sums 
held in trust by the Company or such Paying Agent, such sums to be held by 
the Trustee upon the same trusts as those upon which such sums were held by 
the Company or such Paying Agent; and, upon such payment by any Paying Agent 
to the Trustee, such Paying Agent shall be released from all further 
liability with respect to such money.

<PAGE>

                                       68


         Any money deposited with the Trustee or any Paying Agent, or then 
held by the Company, in trust for the payment of the principal of or interest 
on any Security and remaining unclaimed for two years after such principal or 
interest has become due and payable shall be paid to the Company on Company 
Request or (if then held by the Company) shall be discharged from such trust; 
and the Holder of such Security shall thereafter, as an unsecured general 
creditor, look only to the Company for payment thereof, and all liability of 
the Trustee or such Paying Agent with respect to such trust money, and all 
liability of the Company as trustee thereof, shall thereupon cease.

         Section 1004.  Corporate Existence.

         Subject to Article Eight, the Company shall do or cause to be done 
all things necessary to preserve and keep in full force and effect its 
corporate existence and that of each Restricted Subsidiary of the Company and 
the corporate rights (charter and statutory), corporate licenses and 
corporate franchises of the Company and its Restricted Subsidiaries, except 
where a failure to do so, singly or in the aggregate, is not likely to have a 
materially adverse effect upon the business, assets, financial condition or 
results of operations of the Company and the Restricted Subsidiaries taken as 
a whole determined on a consolidated basis in accordance with generally 
accepted accounting principles; provided that the Company shall not be 
required to preserve any such existence (except of the Company), right, 
license or franchise if the Board of Directors, or of the Restricted 
Subsidiary concerned, shall determine that the preservation thereof is no 
longer desirable in the conduct of the business of the Company or such 
Restricted Subsidiary and that the loss thereof is not disadvantageous in any 
material respect to the Holders.

         Section 1005.  Payment of Taxes and Other Claims.

         The Company will pay or discharge or cause to be paid or discharged, 
before the same shall become delinquent, (a) all material taxes, assessments 
and governmental charges levied or imposed upon it or any Subsidiary or upon 
the income, profits or property of the Company or any of its Subsidiaries and 
(b) all material lawful claims for labor, materials and supplies, which, if 
unpaid, might by law become a lien upon the property of the Company or any 
Restricted Subsidiary; provided, however, that the Company shall not be 
required to pay or discharge or cause to be paid or discharged any such tax, 
assessment, charge or claim whose amount, applicability or validity is being 
contested in good faith by appropriate proceedings.

         Section 1006.  Maintenance of Properties.

         The Company shall cause all material properties owned by or leased 
to it or any Restricted Subsidiary of the Company and necessary in the 
conduct of its business or the business of such Restricted Subsidiary to be 
maintained and kept in normal condition, repair 

<PAGE>

                                       69

and working order, ordinary wear and tear excepted; provided that nothing in 
this Section 1006 shall prevent the Company or any Restricted Subsidiary of 
the Company from discontinuing the use, operation or maintenance of any of 
such properties, or disposing of any of them, if such discontinuance or 
disposal is, in the judgment of the Board of Directors or the Restricted 
Subsidiary concerned, or of any officer (or other agent employed by the 
Company or any Restricted Subsidiary of the Company) of the Company or such 
Restricted Subsidiary having managerial responsibility for any such property, 
desirable in the conduct of the business of the Company or any Restricted 
Subsidiary of the Company and if such discontinuance or disposal is not 
adverse in any material respect to the Holders.

         The Company shall provide or cause to be provided, for itself and 
any Restricted Subsidiaries of the Company, insurance (including appropriate 
self-insurance) against loss or damage of the kinds customarily insured 
against by corporations similarly situated and owning like properties in the 
same general areas in which the Company or such Restricted Subsidiaries 
operate.

         Section 1007.  Limitation on Indebtedness.

         The Company shall not, and shall not permit any Restricted 
Subsidiary to, directly or indirectly, incur, create, issue, assume, 
guarantee or otherwise become liable for, contingently or otherwise, or 
become responsible for the payment of, contingently or otherwise, any 
Indebtedness (other than Indebtedness between or among any of the Company and 
Restricted Subsidiaries) unless, after giving effect thereto, the Cash Flow 
Ratio shall be less than or equal to 9 to 1.

         Section 1008.  Limitation on Liens.

         The Company shall not, and shall not permit any Restricted 
Subsidiary to, directly or indirectly, create, incur, assume or suffer to 
exist any Lien of any kind, except for Permitted Liens, on or with respect to 
any of its property or assets, whether owned at the date of this Indenture or 
hereafter acquired, or any income, profits or proceeds therefrom, or assign 
or otherwise convey any right to receive income thereon, unless (x) in the 
case of any Lien securing Indebtedness that is subordinated in right of 
payment to the Securities, the Securities are secured by a Lien on such 
property, assets or proceeds that is senior in priority to such Lien and (y) 
in the case of any other Lien, the Securities are equally and ratably secured.

         Section 1009.  Limitation on Restricted Payments.

         The Company shall not, and shall not permit any Restricted 
Subsidiary to, make any Restricted Payment if (a) at the time of such 
proposed Restricted Payment, a Default or Event of Default shall have 
occurred and be continuing or shall occur as a 

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                                       70


consequence of such Restricted Payment or (b) immediately after giving effect 
to such Restricted Payment, the aggregate of all Restricted Payments that 
shall have been made on or after July 1, 1988 would exceed the sum of:

              (i)  $25,000,000, plus

              (ii) an amount equal to the difference between (A) the Cumulative
          Cash Flow Credit and (B) 1.2 multiplied by Cumulative Interest 
          Expense.

         For purposes of this Section 1009, the amount of any Restricted 
Payment, if other than cash, shall be based upon fair market value as 
determined by the Board of Directors, whose good faith determination shall be 
conclusive.

         The foregoing provisions of this Section 1009 shall not prevent (i) 
the payment of any dividend within 60 days after the date of declaration 
thereof, if at such date of declaration such payment complied with the 
provisions or this Section 1009; (ii) the retirement, redemption, purchase, 
defeasance or other acquisition of any shares of the Company's Capital Stock 
or warrants, rights or options to acquire Capital Stock of the Company in 
exchange for, or out of the proceeds of a  sale (within one year before or 
180 days after such retirement, redemption, purchase, defeasance or other 
acquisition) of, other shares of the Company's Capital Stock or warrants, 
rights or options to acquire Capital Stock of the Company; and (iii) the 
redemption of or payments of cash dividends on the Company's 8% Series C 
Cumulative Preferred Stock (the "Series C Preferred Stock") Outstanding on 
January 1, 1997, which redemptions or dividends are provided for by the terms 
of the Series C Preferred Stock in effect on such date (or the redemption of 
or payment of cash dividends on any security of the Company issued in 
exchange for or upon the conversion of such Series C Preferred Stock; 
provided that the aggregate amount payable pursuant to the terms of such 
security is no greater than the aggregate amount payable pursuant to the 
terms of the Series C Preferred Stock).  For purposes of determining the 
aggregate permissible amount of Restricted Payments in accordance with clause 
(b) of the first paragraph of this Section 1009, all amounts expended 
pursuant to clauses (i) and (iii) of this paragraph shall be included and all 
amounts expended or received pursuant to clause (ii) of this paragraph shall 
be excluded; provided, however, that amounts paid pursuant to clause (i) of 
this paragraph shall be included only to the extent that such amounts were 
not previously included in calculating Restricted Payments.

         For the purposes of this Section 1009, the net proceeds from the 
issuance of shares of Capital Stock of the Company upon conversion of 
Indebtedness shall be deemed to be an amount equal to (i) the accreted value 
of such Indebtedness on the date of such conversion and (ii) the additional 
consideration, if any, received by the Company upon such conversion thereof, 
less any cash payment on account of fractional shares (such consideration, if 
in property other than cash, to be determined by the Board of Directors, 

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                                       71


whose good faith determination shall be conclusive).  If the Company makes a 
Restricted Payment which, at the time of the making of such Restricted 
Payment, would in the good faith determination of the Company be permitted 
under the requirements of this Section 1009, such Restricted Payment shall be 
deemed to have been made in compliance with this Section 1009 notwithstanding 
any subsequent adjustments made in good faith to the Company's financial 
statements affecting Cumulative Cash Flow Credit or Cumulative Interest 
Expense for any period.

         Section 1010.  Limitation on Investments in Unrestricted 
Subsidiaries and Affiliates.

         The Company shall not, and shall not permit any Restricted 
Subsidiary to, directly or indirectly, (i) make any Investment or (ii) allow 
any Restricted Subsidiary to become an Unrestricted Subsidiary (a 
"redesignation of a Restricted Subsidiary"), in each case unless (a) no 
Default or Event of Default shall have occurred and be continuing or shall 
occur as a consequence of such Investment or such redesignation of a 
Restricted Subsidiary and (b) after giving effect thereto, the Cash Flow 
Ratio shall be less than or equal to 9 to 1.

         The foregoing provisions of this Section 1010 shall not prohibit (i) 
any renewal or reclassification of any Investment existing on the date hereof 
or (ii) trade credit extended on usual and customary terms in the ordinary 
course of business.

         Section 1011.  Transactions with Affiliates.

         The Company shall not, and shall not permit any of its Subsidiaries 
to, sell, lease, transfer or otherwise dispose of any of its properties or 
assets to or purchase any property or assets from, or enter into any 
contract, agreement, understanding, loan, advance or guarantee with, or for 
the benefit of, an Affiliate of the Company that is not a Subsidiary, having 
a value, or for consideration having a value, in excess of $10,000,000 
individually or in the aggregate unless the Board of Directors shall make a 
good faith determination that the terms of such transaction are, taken as a 
whole, no less favorable to the Company or such Subsidiary, as the case may 
be, than those which might be available in a comparable transaction with an 
unrelated Person.  For purposes of clarification, this Section 1011 shall not 
apply to any Restricted Payments permitted by Section 1009.

         Section 1012.  Provision of Financial Statements.

         (a) The Company shall supply without cost to each Holder of the 
Securities, and file with the Trustee (if not otherwise filed with the 
Trustee pursuant to Section 703) within 30 days after the Company is required 
to file the same with the Commission, copies of the annual reports and 
quarterly reports and of the information, documents and other reports which 
the Company may be required to file with the 

<PAGE>

                                       72


Commission pursuant to Section 13(a), 13(c) or 15(d) of the Securities 
Exchange Act of 1934.

         (b) If the Company is not required to file with the Commission such 
reports and other information referred to in Section 1012(a), the Company 
shall furnish without cost to each Holder of the Securities and file with the 
Trustee (i) within 140 days after the end of each fiscal year after August 
26, 1997, annual reports containing the information required to be contained 
in Items 1, 2, 3, 6, 7, 8 and 9 of Form 10-K promulgated under the Exchange 
Act, or substantially the same information required to be contained in 
comparable items of any successor form, and (ii) within 75 days after the end 
of each of the first three fiscal quarters of each fiscal year, quarterly 
reports containing the information required to be contained in Form 10-Q 
promulgated under the Exchange Act, or substantially the same information 
required to be contained in any successor form.

         (c) At any time when the Company is not subject to Section 13 or 
15(d) of the Exchange Act, upon the request of a Holder of a Restricted 
Security, the Company will promptly furnish or cause to be furnished such 
information as is specified pursuant to Rule 144A(d)(4) under the Securities 
Act (or any successor provision thereto) to such Holder or to a prospective 
purchaser of such Security designated by such holder, as the case may be, in 
order to permit compliance by such holder with Rule 144A under the Securities 
Act.

         Section 1013.  Statement as to Compliance.

         The Company will deliver to the Trustee, within 120 days after the 
end of each fiscal year ending after August 26, 1997, a brief certificate of 
its principal executive officer, principal financial officer or principal 
accounting officer stating whether, to such officer's knowledge, the Company 
is in compliance with all covenants and conditions under this Indenture.  For 
purposes of this Section 1013, such compliance shall be determined without 
regard to any period of grace or requirement of notice under this Indenture.

         Section 1014.  Waiver of Certain Covenants.

         The Company may omit in any particular instance to comply with any 
covenant or condition set forth in Sections 1007 through 1012 if, before or 
after the time for such compliance, the Holders of a majority in aggregate 
principal amount of the Outstanding Securities, by Act of such Holders, waive 
such compliance in such instance or generally waive compliance with such 
covenant or condition, but no such waiver shall extend to or affect such 
covenant or condition except to the extent so expressly waived, and, until 
such waiver shall become effective, the obligations of the Company and the 
duties of the Trustee in respect of any such covenant or condition shall 
remain in full force and effect.

<PAGE>

                                       73


                                  ARTICLE ELEVEN

                              REDEMPTION OF SECURITIES

         Section 1101.  No Right of Redemption.

         The Securities are not subject to redemption at the option of the 
Company.

                                  ARTICLE TWELVE

                          DEFEASANCE AND COVENANT DEFEASANCE

         Section 1201.  Option to Effect Defeasance or Covenant Defeasance.

         The Company may, at its option by Board Resolution, at any time, 
with respect to the Securities, elect to have either Section 1202 or Section 
1203 be applied to all Outstanding Securities upon compliance with the 
conditions set forth below in this Article Twelve.

         Section 1202.  Defeasance and Discharge.

         Upon the Company's exercise under Section 1201 of the option 
applicable to this Section 1202, the Company shall be deemed to have been 
discharged from its obligations with respect to all Outstanding Securities on 
the date the conditions set forth below are satisfied (hereinafter, 
"defeasance").  For this purpose, such defeasance means that the Company 
shall be deemed to have paid and discharged the entire indebtedness 
represented by the Outstanding Securities, which shall thereafter be deemed 
to be "Outstanding" only for the purposes of Section 1205 and the other 
Sections of this Indenture referred to in (A) and (B) below, and to have 
satisfied all its other obligations under such Securities and this Indenture 
(and the Trustee, on demand of and at the expense of the Company, shall 
execute proper instruments acknowledging the same), except for the following 
which shall survive until otherwise terminated or discharged hereunder:  (A) 
the rights of Holders of Outstanding Securities to receive solely from the 
trust fund described in Section 1204 and as more fully set forth in such 
Section, payments in respect of the principal of and interest on such 
Securities when such payments are due, (B) the Company's obligations with 
respect to such Securities under Sections 304, 305, 306, 1002 and 1003, (C) 
the rights, powers, trusts, duties and immunities of the Trustee hereunder 
and the Company's obligations in connection therewith and (D) this Article 
Twelve.  Subject to compliance with this Article Twelve, the Company may 
exercise its option under this Section 1202 notwithstanding the prior 
exercise of its option under Section 1203 with respect to the Securities.

<PAGE>

                                       74


         Section 1203.  Covenant Defeasance.

         Upon the Company's exercise under Section 1201 of the option 
applicable to this Section 1203, the Company shall be released from its 
obligations under any covenant contained in Article Eight and in Sections 
1004 through 1012 with respect to the Outstanding Securities on and after the 
date the conditions set forth below are satisfied (hereinafter, "covenant 
defeasance"), and the Securities shall thereafter be deemed to be not 
"Outstanding" for the purposes of any direction, waiver, consent or 
declaration or Act of Holders (and the consequences of any thereof) in 
connection with such covenants, but shall continue to be deemed "Outstanding" 
for all other purposes hereunder (it being understood that such Securities 
shall not be deemed Outstanding for financial accounting purposes).  For this 
purpose, such covenant defeasance means that, with respect to the Outstanding 
Securities, the Company may omit to comply with and shall have no liability 
in respect of any term, condition or limitation set forth in any such 
covenant, whether directly or indirectly, by reason of any reference 
elsewhere herein to any such covenant or by reason of any reference in any 
such covenant to any other provision herein or in any other document and such 
omission to comply shall not constitute a default or an Event of Default 
under Section 501(c), but, except as specified above, the remainder of this 
Indenture and such Securities shall be unaffected thereby.  In addition, upon 
the Company's exercise under Section 1201 of the option applicable to Section 
1203, Sections 501(c) through 501(e) shall not constitute Events of Default.

         Section 1204.  Conditions to Defeasance or Covenant Defeasance.

              (1) The Company shall irrevocably have deposited or caused to 
         be deposited with the Trustee (or another trustee satisfying the 
         requirements of Section 608 who shall agree to comply with the 
         provisions of this Article Twelve applicable to it) as trust funds 
         in trust for the purpose of making the following payments, 
         specifically pledged as security for, and dedicated solely to, the 
         benefit of the Holders of such Securities, (A) cash in U.S. Dollars 
         in an amount, or (B) U.S. Government Obligations which through the 
         scheduled payment of principal and interest in respect thereof in 
         accordance with their terms will provide, not later than one day 
         before the due date of any payment, cash in U.S. Dollars in an 
         amount, or (C) a combination thereof, sufficient, in the opinion of 
         a nationally recognized firm of independent public accountants 
         expressed in a written certification thereof delivered to the 
         Trustee, to pay and discharge and which shall be applied by the 
         Trustee (or other qualifying trustee) to pay and discharge, (i) the 
         principal of and interest on the Outstanding Securities on the 
         Stated Maturity of such principal or installment of principal or 
         interest and (ii) any mandatory sinking fund payments or analogous 

<PAGE>

                                       75


         payments applicable to the Outstanding Securities on the day on which 
         such payments are due and payable in accordance with the terms of this 
         Indenture and of such Securities; provided that the Trustee shall have 
         been irrevocably instructed to apply such money or the proceeds of such
         U.S. Government Obligations to said payments with respect to the 
         Securities. For this purpose, "U.S. Government Obligations" means 
         securities that are (x) direct obligations of the United States of 
         America for the timely payment of which its full faith and credit is 
         pledged or (y) obligations of a Person controlled or supervised by and 
         acting as an agency or instrumentality of the United States of America 
         the timely payment of which is unconditionally guaranteed as a full 
         faith and credit obligation by the United States of America, which, in 
         either case, are not callable or redeemable at the option of the issuer
         thereof, and shall also include a depository receipt issued by a bank 
         (as defined in Section 3(a)(2) of the Securities Act of 1933, as 
         amended), as custodian with respect to any such U.S. Government 
         Obligation or a specific payment of principal of or interest on any 
         such U.S. Government Obligation held by such custodian for the account 
         of the holder of such depository receipt; provided that (except as 
         required by law) such custodian is not authorized to make any deduction
         from the amount payable to the holder of such depository receipt from 
         any amount received by the custodian in respect of the U.S. Government
         Obligation or the specific payment of principal of or interest on the 
         U.S. Government Obligation evidenced by such depository receipt.

              (2) No Default or Event of Default with respect to the 
         Securities shall have occurred and be continuing on the date of such 
         deposit or, insofar as Subsection 501(f) or 501(g) is concerned, at 
         any time during the period ending on the 91st day after the date of 
         such deposit (it being understood that this condition shall not be 
         deemed satisfied until the expiration of such period).

              (3) Such defeasance or covenant defeasance shall not result in 
         a breach or violation of, or constitute a default under, this 
         Indenture or any other material agreement or instrument to which the 
         Company is a party or by which it is bound.

              (4) In the case of an election under Section 1202, the Company 
         shall have delivered to the Trustee an Opinion of Counsel in the 
         United States stating that (x) the Company has received from, or 
         there has been published by, the Internal Revenue Service a ruling 
         or (y) since August 26, 1997, there has been a change in the 
         applicable federal income tax law, in either case to the effect 
         that, and based thereon such opinion shall confirm that, the Holders 
         of the Outstanding Securities will not recognize income, gain or 
         loss for federal income tax purposes as a result of such defeasance 
         and will be subject to federal income tax on the same amounts, in 
         the same manner and at the same times as would have been the case if 
         such defeasance had not occurred.

<PAGE>

                                       76



              (5) In the case of an election under Section 1203, the Company 
         shall have delivered to the Trustee an Opinion of Counsel in the 
         United States to the effect that the Holders of the Outstanding 
         Securities will not recognize income, gain or loss for federal 
         income tax purposes as a result of such covenant defeasance and will 
         be subject to federal income tax on the same amounts, in the same 
         manner and at the same times as would have been the case if such 
         covenant defeasance had not occurred.

              (6) In the case of an election under either Section 1202 or 
         1203, the Company shall represent to the Trustee that the deposit 
         made by the Company pursuant to its election under Section 1202 or 
         1203 was not made by the Company with the intent of preferring the 
         Holders over other creditors of the Company or with the intent of 
         defeating, hindering, delaying or defrauding creditors of the 
         Company or others.

              (7) The Company shall have delivered to the Trustee an 
         Officers' Certificate and an Opinion of Counsel in the United 
         States, each stating that all conditions precedent provided for 
         relating to either the defeasance under Section 1202 or the covenant 
         defeasance under Section 1203 (as the case may be) have been 
         complied with.

         Section 1205.  Deposited Money and U.S. Government Obligations to Be 
Held in Trust; Other Miscellaneous Provisions.

         Subject to the provisions of the last paragraph of Section 1003, all 
money and U.S. Government Obligations (including the proceeds thereof) 
deposited with the Trustee (or other qualifying trustee, collectively for 
purposes of this Section 1205, the "Trustee") pursuant to Section 1204 in 
respect of the Outstanding Securities shall be held in trust and applied by 
the Trustee, in accordance with the provisions of such Securities and this 
Indenture, to the payment, either directly or through any Paying Agent 
(including the Company acting as its own Paying Agent) as the Trustee may 
determine, to the Holders of such Securities of all sums due and to become 
due thereon in respect of principal and interest, but such money need not be 
segregated from other funds except to the extent required by law. Money and 
U.S. Government Obligations so held in trust are not subject to Article 
Twelve.

         The Company shall pay and indemnify the Trustee against any tax, fee 
or other charge imposed on or assessed against the cash or U.S. Government 
Obligations deposited pursuant to Section 1204 or the principal and interest 
received in respect thereof other than any such tax, fee or other charge 
which by law is for the account of the Holders of the Outstanding Securities.

         Anything in this Article Twelve to the contrary notwithstanding, the 
Trustee shall deliver or pay to the Company from time to time upon Company 
Request any money 

<PAGE>

                                       77


or U.S. Government Obligations held by it as provided in Section 1204 which, 
in the opinion of a nationally recognized firm of independent public 
accountants expressed in a written certification thereof delivered to the 
Trustee (which may be the opinion delivered under Section 1204(1)), are in 
excess of the amount thereof which would then be required to be deposited to 
effect an equivalent defeasance or covenant defeasance.

         Section 1206.  Reinstatement.

         If the Trustee or Paying Agent is unable to apply any money in 
accordance with Section 1202 or 1203, as the  case may be, by reason of any 
order or judgment of any court or governmental authority enjoining, 
restraining or otherwise prohibiting such application, then the Company's 
obligations under this Indenture and the Securities shall be revived and 
reinstated as though no deposit had occurred pursuant to Section 1202 or 
1203, as the case may be, until such time as the Trustee or Paying Agent is 
permitted to apply all such money in accordance with Section 1202 or 1203, as 
the case may be; provided, however, that, if the Company makes any payment of 
principal of or interest on any Security following the reinstatement of its 
obligations, the Company shall be subrogated to the rights of the Holders of 
such Securities to receive such payment from the money held by the Trustee or 
Paying Agent.

                                   * * * * * 

<PAGE>

         This Indenture may be signed in any number of counterparts with the 
same effect as if the signatures to each counterpart were upon a single 
instrument, and all such counterparts together shall be deemed an original of 
this Indenture.

         IN WITNESS WHEREOF, the parties hereto have caused this Indenture to 
be duly executed as of the day and year first above written.

                                             CABLEVISION SYSTEMS CORPORATION



                                             By:                              
                                                 ----------------------------
                                                  Title:  


Attest:



- ------------------------
Title: 


                                             THE BANK OF NEW YORK



                                             By:                            
                                                 ---------------------------
                                                 Title:
 
<PAGE>

                                   EXHIBIT A

                        List of Restricted Subsidiaries

         A-R Cable Services - NY, Inc.
         Arsenal MSub 2, Inc.
         Cable Science Corporation
         Cablevision Area 9 Corporation
         Cablevision Fairfield Corporation
         Cablevision Finance Corporation
         Cablevision Finance Limited Partnership
         Cablevision Lightpath, Inc.
         Cablevision MFR, Inc.
         Cablevision of Boston, Inc.
         Cablevision of Brookline Limited Partnership
         Cablevision of Brookline, Inc.
         Cablevision of Connecticut Corporation
         Cablevision of Connecticut Limited Partnership
         Cablevision of Hudson County, Inc.
         Cablevision of Michigan, Inc.
         Cablevision of Monmouth, Inc.
         Cablevision of New Jersey, Inc.
         Cablevision of New York City - Master L.P.
         Cablevision of New York City - Phase I L.P.
         Cablevision of Newark
         Cablevision Systems Brookline Corporation
         Cablevision Systems Dutchess Corporation
         Cablevision Systems East Hampton Corporation
         Cablevision Systems Great Neck Corporation
         Cablevision Systems Huntington Corporation
         Cablevision Systems Islip Corporation
         Cablevision Systems Long Island Corporation
         Cablevision Systems New York City Corporation
         Cablevision Systems of Southern Connecticut Limited Partnership
         Cablevision Systems Suffolk Corporation
         Cablevision Systems Westchester Corporation
         Cablevision Systems of Southern Connecticut Limited Partnership
         Communications Development Corporation
         CSC Acquisition - MA, Inc.
         CSC Acquisition - NY, Inc.
         CSC Acquisition Corporation
         CSC Gateway Corporation
         NYC GP Corp.
         NYC LP Corp.
         Petra Cablevision Corporation


<PAGE>

                                      A-2


         Samson Cablevision Corp.
         Suffolk Cable Corporation
         Suffolk Cable of Shelter Island, Inc.
         Suffolk Cable of Smithtown, Inc. 


<PAGE>

                                   EXHIBIT B

                     Form of Registration Rights Agreement




<PAGE>


                                                           EXHIBIT 5


                        [LETTERHEAD OF SULLIVAN & CROMWELL]




                                                     October 16, 1997


Cablevision Systems Corporation
  One Media Crossways
     Woodbury, New York 11797

Dear Sirs:

         In connection with the registration under the Securities Act of 1933 
(the "Act") of $400,000,000 principal amount of 8 1/8% Series B Senior 
Debentures due 2009 (the "Securities") of Cablevision Systems Corporation, a 
Delaware corporation (the "Company"), we, as your counsel, have examined such 
corporate records, certificates and other documents, and such questions of 
law, as we have considered necessary or appropriate for the purposes of this 
opinion.

         Upon the basis of such examination, we advise you that, in our 
opinion, when the Registration Statement has become effective under the Act 
and the Securities have been duly executed and authenticated in accordance 
with the Indenture relating to the Securities and issued and delivered as 
contemplated in the Registration Statement, the

<PAGE>

Cablevision Systems Corporation                                      -2-

Securities will constitute valid and legally binding obligations of the 
Company, subject to bankruptcy, insolvency, fraudulent transfer, 
reorganization, moratorium and similar laws of general applicability relating 
to or affecting creditors' rights and to general equity principles.

         The foregoing opinion is limited to the Federal laws of the United 
States, the laws of the State of New York and the General Corporation Law of 
the State of Delaware, and we are expressing no opinion as to the effect of 
the laws of any other jurisdiction.

         We have relied as to certain matters on information obtained from 
public officials, officers of the Company and other sources believed by us to 
be responsible, and we have assumed that the Indenture has been duly 
authorized, executed and delivered by the Trustee thereunder, an assumption 
which we have not independently verified.

         We hereby consent to the filing of this opinion as an exhibit to the 
Registration Statement and to the reference to us under the heading 
"Validity of New Debentures" in the Prospectus. In giving such consent, we

<PAGE>

Cablevision Systems Corporation                                        -3-

do not thereby admit that we are in the category of persons whose consent is 
required under Section 7 of the Act.


                                                 Very truly yours,


                                                 SULLIVAN & CROMWELL


<PAGE>
                                                                    EXHIBIT 12.1
 
                        CABLEVISION SYSTEMS CORPORATION
 
             COMPUTATION OF DEFICIENCY OF EARNINGS TO FIXED CHARGES
<TABLE>
<CAPTION>
                                                    SIX MONTHS ENDED
<S>                                              <C>         <C>         <C>         <C>         <C>         <C>         <C>
                                                        JUNE 30,                          YEAR ENDED DECEMBER 31,
                                                 ----------------------  ----------------------------------------------------------
 
<CAPTION>
                                                    1997        1996        1996        1995        1994        1993        1992
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
<S>                                              <C>         <C>         <C>         <C>         <C>         <C>         <C>
EARNINGS
  Loss from continuing operations..............  $ (167,966) $ (160,476) $ (332,079) $ (317,458) $ (315,151) $ (246,782) $ (250,503)
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
ADD:
  Fixed charges per (B) below..................     159,843     136,845     278,437     322,054     269,627     238,109     199,691
Amortization of previously capitalized
  interest.....................................           0           0           0           0           0           0           0
DEDUCT
  Interest capitalized during period...........           0           0           0           0           0           0           0
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
Earnings for computation purposes (A)..........  $   (8,123) $  (23,631) $  (53,642) $    4,596  $  (45,524) $   (8,673) $  (50,842)
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
Fixed Charges:
  Interest on Indebtedness, expensed or
    capitalized, including amortization of debt
    expense....................................     153,785     132,099     268,177     313,850     263,299     232,434     194,628
Portion of rents representative of the interest
  factor.......................................       6,058       4,746      10,260       8,204       6,328       5,675       5,033
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
Fixed Charges for computation purposes (B).....  $  159,843  $  136,845  $  278,437  $  322,054  $  269,627  $  238,109  $  199,661
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
Deficiency of earnings available to cover fixed
  charges......................................  $ (167,966) $ (160,476) $ (332,079) $ (317,458) $ (315,151) $ (246,782) $ (250,503)
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
                                                 ----------  ----------  ----------  ----------  ----------  ----------  ----------
</TABLE>

<PAGE>
                                                                    Exhibit 23.1


                      CONSENT OF INDEPENDENT AUDITORS
                      -------------------------------



The Board of Directors
Cablevision Systems Corporation
   and A-R Cable Services, Inc.:

We consent to the use of our reports, incorporated herein by reference, and 
to the references to our firm under the heading "Selected Financial Data" and 
"Experts" in the prospectus and the Registration Statement of Cablevision 
Systems Corporation on Form S-4.


                                                     KPMG Peat Marwick LLP


Jericho, New York
October 9, 1997


<PAGE>




================================================================================


                                       FORM T-1

                          SECURITIES AND EXCHANGE COMMISSION
                               Washington, D.C.  20549

                               STATEMENT OF ELIGIBILITY
                      UNDER THE TRUST INDENTURE ACT OF 1939 OF A
                       CORPORATION DESIGNATED TO ACT AS TRUSTEE

                         CHECK IF AN APPLICATION TO DETERMINE
                         ELIGIBILITY OF A TRUSTEE PURSUANT TO
                           SECTION 305(b)(2)           |__|

                               --------------------------

                                 THE BANK OF NEW YORK
                 (Exact name of trustee as specified in its charter)


               New York                     13-5160382
        (State of incorporation         (I.R.S. employer
       if not a U.S. national bank)    identification no.)

48 Wall Street, New York, N.Y.                10286
(Address of principal executive offices)    (Zip code)


                               --------------------------


                           CABLEVISION SYSTEMS CORPORATION
                 (Exact name of obligor as specified in its charter)


         Delaware                               11-2776686
(State or other jurisdiction of             (I.R.S. employer
incorporation or organization)             identification no.)

                             
One Media Crossways                            
Woodbury, New York                                  11797                    
(Address of principal executive offices)          (Zip code)

                               --------------------------

                      8 1/8% Series B Senior Debentures due 2009
                         (Title of the indenture securities)


================================================================================


<PAGE> 

1.  General information.  Furnish the following information as to the Trustee:

    (a)  Name and address of each examining or supervising authority to which
         it is subject.
         
- --------------------------------------------------------------------------------
                  Name                                        Address
- --------------------------------------------------------------------------------

    Superintendent of Banks of the State of    2 Rector Street, New York,
    New York                                   N.Y.  10006, and Albany, N.Y.   
                                               12203

    Federal Reserve Bank of New York          33 Liberty Plaza, New York,
                                              N.Y.  10045

    Federal Deposit Insurance Corporation     Washington, D.C.  20429

    New York Clearing House Association       New York, New York   10005

    (b)  Whether it is authorized to exercise corporate trust powers.

    Yes.

2.  Affiliations with Obligor.
    
    If the obligor is an affiliate of the trustee, describe each such
    affiliation. 

    None.

16. List of Exhibits. 

    Exhibits identified in parentheses below, on file with the Commission, are
    incorporated herein by reference as an exhibit hereto, pursuant to Rule
    7a-29 under the Trust Indenture Act of 1939 (the "Act") and 17 C.F.R.
    229.10(d).

    1.   A copy of the Organization Certificate of The Bank of New York
         (formerly Irving Trust Company) as now in effect, which contains the
         authority to commence business and a grant of powers to exercise
         corporate trust powers.  (Exhibit 1 to Amendment No. 1 to Form T-1
         filed with Registration Statement No. 33-6215, Exhibits 1a and 1b to
         Form T-1 filed with Registration Statement No. 33-21672 and Exhibit 1
         to Form T-1 filed with Registration Statement No. 33-29637.)

    4.   A copy of the existing By-laws of the Trustee.  (Exhibit 4 to Form T-1
         filed with Registration Statement No. 33-31019.)


                                         -2-
<PAGE>

    6.   The consent of the Trustee required by Section 321(b) of the Act. 
         (Exhibit 6 to Form T-1 filed with Registration Statement No.
         33-44051.)

    7.   A copy of the latest report of condition of the Trustee published
         pursuant to law or to the requirements of its supervising or examining
         authority.


                                       -3-

<PAGE> 


                                      SIGNATURE



    Pursuant to the requirements of the Act, the Trustee, The Bank of New York,
a corporation organized and existing under the laws of the State of New York,
has duly caused this statement of eligibility to be signed on its behalf by the
undersigned, thereunto duly authorized, all in The City of New York, and State
of New York, on the 3rd day of October, 1997.


                                  THE BANK OF NEW YORK



                                  By: /s/ Thomas E. Tabor
                                      --------------------------------
                                      Name:  Thomas E. Tabor
                                      Title: Assistant Treasurer





                                         -4-


<PAGE>

                                                                      Exhibit 7

                        Consolidated Report of Condition of
                               THE BANK OF NEW YORK
                      of 48 Wall Street, New York, N.Y. 10286

     And Foreign and Domestic Subsidiaries,a member of the Federal Reserve 
System, at the close of business June 30, 1997, published in accordance with a 
call made by the Federal Reserve Bank of this District pursuant to the 
provisions of the Federal Reserve Act.

<TABLE>
<CAPTION>
                                                                 Dollar Amounts
                                                                  in Thousands
<S>                                                              <C> 
ASSETS
Cash and balances due from depository institutions:
  Noninterest-bearing balances and currency and coin ...........   $ 7,769,502
  Interest-bearing balances ....................................     1,472,524
Securities:
  Held-to-maturity securities ..................................     1,080,234
  Available-for-sale securities ................................     3,046,199
Federal funds sold and Securities purchased under 
  agreements to resell..........................................     3,193,800
Loans and lease financing receivables:
  Loans and leases, net of unearned income .....................    35,352,045
  LESS: Allowance for loan and lease losses ....................       625,042
  LESS: Allocated transfer risk reserve.........................           429
  Loans and leases, net of unearned income, allowance, 
    and reserve ................................................    34,726,574
Assets held in trading accounts ................................     1,611,096
Premises and fixed assets (including capitalized leases)........       676,729
Other real estate owned ........................................        22,460
Investments in unconsolidated subsidiaries and associated
  companies ....................................................       209,959
Customers' liability to this bank on acceptances outstanding ...     1,357,731
Intangible assets ..............................................       720,883
Other assets ...................................................     1,627,267
                                                                   -----------
Total assets ...................................................   $57,514,958
                                                                   ===========

LIABILITIES
Deposits:
  In domestic offices ..........................................   $26,875,596
  Noninterest-bearing ..........................................    11,213,657
  Interest-bearing .............................................    15,661,939
  In foreign offices, Edge and Agreement subsidiaries, 
    and IBFs ...................................................    16,334,270
  Noninterest-bearing ..........................................       596,369
  Interest-bearing .............................................    15,737,901
Federal funds purchased and Securities sold under 
  agreements to repurchase......................................     1,583,157
Demand notes issued to the U.S. Treasury .......................       303,000
Trading liabilities ............................................     1,308,173
Other borrowed money:
  With remaining maturity of one year or less ..................     2,383,570
  With remaining maturity of more than one year 
    through three years ........................................             0
  With remaining maturity of more than three years .............        20,679
Bank's liability on acceptances executed and outstanding .......     1,377,244
Subordinated notes and debentures ..............................     1,018,940
Other liabilities ..............................................     1,732,792
                                                                   -----------
Total liabilities ..............................................    52,937,421
                                                                   -----------

EQUITY CAPITAL
Common stock ...................................................     1,135,284
Surplus ........................................................       731,319
Undivided profits and capital reserves .........................     2,721,258
Net unrealized holding gains (losses) on 
  available-for-sale securities ................................         1,948
Cumulative foreign currency translation adjustments ............   (    12,272)
                                                                   -----------
Total equity capital ...........................................     4,577,537
                                                                   -----------
Total liabilities and equity capital ...........................   $57,514,958
                                                                   ===========
</TABLE>

     I, Robert E. Keilman, Senior Vice President and Comptroller of the 
above-named bank do hereby declare that this Report of Condition has been 
prepared in conformance with the instructions issued by the Board of Governors 
of the Federal Reserve System and is true to the best of my knowledge and 
belief.

                                                 Robert E. Keilman

     We, the undersigned directors, attest to the correctness of this Report 
of Condition and declare that it has been examined by us and to the best of 
our knowledge and belief has been prepared in conformance with the instructions 
issued by the Board of Governors of the Federal Reserve System and is true and 
correct.

                        Thomas A. Renyi
                        Alan R. Griffith         Directors
                        J. Carter Bacot


                        





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