[CONFORMED COPY]

                             VIACOM INC.
                            1515 Broadway
                          New York, New York

                                                    October 4, 1993

  NYNEX Corporation
  335 Madison Avenue
  New York, New York 10017

  Dear Sirs:

       1.   Subject to the terms and conditions set forth herein,
  NYNEX Corporation, a Delaware corporation (the "Purchaser"),
                                                  ---------
  hereby subscribes for, and agrees to purchase, and Viacom Inc., a
  Delaware corporation (the "Company") agrees to issue and sell,
                             -------
  24,000,000 shares of a new series of convertible preferred stock
  of the Company designated Series B Convertible Preferred Stock,
  par value $0.01 per share (the "Preferred Stock"), for an
                                  ---------------
  aggregate purchase price of $1,200,000,000, representing a
  purchase price of $50.00 per share.  The terms of the Preferred
  Stock are set forth in the form of Certificate of Designation
  attached as Annex I hereto (the "Certificate of Designation"),
                                   --------------------------
  which terms are subject to amendment in accordance with the
  provisions hereof.

       2.   (a)  The closing (the "Closing") of the purchase
                                   -------
  provided for in paragraph 1 shall take place five Business Days
  after satisfaction of the conditions specified in paragraph 5 at
  the offices of Shearman & Sterling, 599 Lexington Avenue, New
  York, New York.  The date and time of the Closing are referred to
  herein as the "Closing Date". The Company and the Purchaser
                 ------------
  currently anticipate that the Closing Date shall be on or about
  November 30, 1993.

            (b)  At the Closing, the Purchaser shall deliver to the
  Company $1,200,000,000 in cash by wire transfer in immediately
  available funds to an account of the Company designated by the
  Company, by notice to the Purchaser prior to the Closing Date, and
  the Company shall deliver to the Purchaser a certificate
  representing the shares of Preferred Stock, registered in the
  name of the Purchaser.

       3.   (a)  The Purchaser represents and warrants to the
  Company that:  (i) the execution and delivery of this Agreement
  by the Purchaser and the performance of its obligations hereunder
  have been duly and validly authorized

















  by all necessary corporate action on the part of the Purchaser;
  (ii) this Agreement had been duly and validly executed and
  delivered by the Purchaser and, assuming the due authorization,
  execution and delivery by the Company and subject to compliance
  with the MFJ (as defined in paragraph 24 hereof), constitutes a
  legal, valid and binding obligation of the Purchaser, enforceable
  against the Purchaser in accordance with its terms, except as
  enforcement thereof may be limited by bankruptcy, insolvency,
  reorganization, fraudulent conveyance, moratorium or other
  similar laws relating to or affecting enforcement of creditors'
  rights generally and except as enforcement thereof is subject to
  general principles of equity (regardless of whether enforcement
  is considered in a proceeding in equity at law); (iii) the
  execution, delivery and performance of this Agreement by the
  Purchaser and the purchase of Preferred Stock by the Purchaser do
  not conflict with or violate or result in any breach of or
  constitute a default (or an event which with notice or lapse of
  time or both would become a default) under the Certificate of
  Incorporation or By-Laws or equivalent organizational documents
  of the Purchaser; (iv) the execution, delivery and, subject to
  compliance with the MFJ, performance of this Agreement by the
  Purchaser do not, and the consummation of the transactions 
  contemplated hereby by the Purchaser will not, require any 
  consent, approval, authorization or permit of, or
  filing with or notification to, any governmental authority with
  respect to the Purchaser, except under the 1934 Act; (v) the
  Purchaser is acquiring the Preferred Stock and the Common Stock
  of the Company issuable upon conversion of the Preferred Stock
  for its own account for the purpose of investment and not with a
  view to or for sale in connection with any distribution thereof;
  and (vi) the Purchaser is an "accredited investor" within the
  meaning of Rule 501 under the 1933 Act.

       (b)  Except as set forth in this paragraph 3, the Purchaser
  makes no other representation, express or implied, to the
  Company.

       4.   (a) The Company represents and warrants to the
  Purchaser that (i) each of the Company and each Subsidiary (as
  defined below) is a corporation, partnership or other legal
  entity duly organized, validly existing and in good standing
  under the laws of the jurisdiction of its incorporation or
  organization and has the requisite power and authority and all
  necessary governmental approvals to own, lease and operate its
  properties and to carry on its business as it is now being
  conducted, except where the failure to be so organized, existing














  or in good standing or to have such power, authority and
  governmental approvals would not, individually or in the
  aggregate, have a Material Adverse Effect (as defined below); 
  (ii) the execution and delivery of this Agreement by the Company
  and the issuance of the Preferred Stock in accordance with the
  terms of this Agreement and the Certificate of Designation have
  been duly and validly authorized by all necessary corporate
  action on the part of the Company; (iii) this Agreement has been
  duly and validly executed and delivered by the Company and,
  assuming the due authorization, execution and delivery by the
  Purchaser, constitutes a legal, valid an binding obligation of
  the Company, enforceable against the Company in accordance with
  its terms, except as enforcement thereof may be limited by
  bankruptcy, insolvency, reorganization, fraudulent conveyance,
  moratorium or their similar laws relating to or affecting
  enforcement of creditors' rights generally and except as
  enforcement thereof is subject to general principles of equity
  (regardless of whether enforcement is considered in a proceeding
  in equity or at law); (iv) the execution, delivery and
  performance of this Agreement by the Company do not, and the
  issuance of the Preferred Stock and the performance of the
  Company's obligations in accordance with the terms of this
  Agreement and the Certificate of Designation will not, conflict
  with or violate or result in any breach of or constitute a
  default (or an event which with notice or lapse of time or both
  would become a default) under (A) the Certificate of
  Incorporation or By-Laws or equivalent organizational documents
  of the Company or any Subsidiary, (B) any law, rule, regulation,
  order, judgment or decree applicable to the Company or any
  Subsidiary, or (C) any note, bond, mortgage, indenture, contract,
  agreement, lease, license, permit, franchise or other instrument
  or obligation to which the Company or any Subsidiary is a party
  or by which the Company or any Subsidiary or any property or
  asset of the Company or any Subsidiary is bound or affected,
  except in the case of subclauses (B) and (C) above, for any such
  conflicts, violations, breaches, defaults or other occurrences
  which would not prevent or delay the issuance of the Preferred
  Stock in accordance with the terms of this Agreement and the
  Certificate of Designation in any material respect, or otherwise
  prevent the Company from performing its obligations under this
  Agreement and the Certificate of Designation in any material
  respect, and would not, individually or in the aggregate, have a
  Material Adverse Effect; (v) the execution, delivery and
  performance of this Agreement by the Company do not, and the
  performance of this Agreement by the Company will not, require
  any consent, approval, authorization or permit of, or filing with
  or notification to, any governmental authority with respect to
  the Company, except for the filing with the Secretary of State of
  the State of Delaware of the Certificate of Designation, filings
  after the Closing of the Certificate of Designation with
  appropriate authorities in states in which the Company is
  qualified as a foreign corporation, any filings required to
  effect the registration pursuant to paragraph 8 and any filings
  pursuant to federal and state securities laws which will be














  timely made after the Closing hereunder; (vi) the Preferred Stock
  to be issued hereunder has been duly authorized and, upon
  issuance at the Closing, will be validly issued, fully paid and
  nonassessable, and free and clear of all security interests,
  liens, claims, encumbrances, pledges, options and charges of any
  nature whatsoever, and the issuance of such Preferred Stock will
  not be subject to preemptive rights of any other stockholder of
  the Company; (vii) prior to the Closing, the Certificate of
  Designation will have been filed with the Secretary of State of
  the State of Delaware in accordance with the Delaware
  General Corporation Law; (viii) the shares of Class B Common
  Stock, par value $0.01 per share ("Class B Common Stock"), of the
                                     --------------------
  Company issuable upon conversion of the Preferred Stock have been
  duly authorized and reserved for issuance upon such conversion
  and, upon issuance of such shares in accordance with the
  Certificate of Designation, will be validly issued, fully paid
  and nonassessable;  (ix) the authorized capital stock of the
  Company consists of 100,000,000 shares of the Company's Class A
  Common Stock, 150,000,000 shares of Class B Common Stock and
  100,000,000 shares of Preferred Stock, par value $0.01 per share
  ("Common Preferred Stock"); (x) as of August 31, 1993, (A)
    ----------------------
  53,431,699 shares of the Company's Class A Common Stock and
  67,282,799 shares of Class B Common Stock were issued and
  outstanding, all of which were validly issued, fully paid and
  nonassessable, (B) no shares were held in the treasury of the
  Company, (C) no shares were held by the Subsidiaries, and (D)
  3,843,000 shares were reserved for future issuance pursuant to
  employee stock options or stock incentive rights granted pursuant
  to the Company's 1989 Long-Term Management Incentive Plan and the
  Company's Stock Option Plan for Outside Directors; (xi) as of the
  date hereof, no shares of Company Preferred Stock are issued and
  outstanding and there are no agreements, arrangements or
  understandings with respect to the issuance of any Company
  Preferred Stock other than the Stock Purchase Agreement dated
  September 29, 1993 between the Company and Blockbuster
  Entertainment Corporation; (xii) the Company has filed all forms,
  reports and documents required to be filed by it with the
  Securities and Exchange Commission ("Commission") since December
                                       ----------
  31, 1990, and has heretofore made available to the Purchaser, in
  the form filed with the Commission (excluding any exhibits
  thereto), (A) its Annual Reports on Form 10-K for the fiscal
  years ended December 31, 1990, 1991 and 1992, respectively, (B)
  its Quarterly Reports on Form 10-Q for the periods ended March
  31, 1993 and June 30, 1993, (C) all proxy statements relating to
  the Company's meetings of stockholders (whether annual or special)
  held since January 1, 1991 and (D) all other forms, reports and
  other registration statements (other than Quarterly Reports on
  Form 10-Q not referred to in clause (B) above and preliminary
  materials) filed by the Company with the Commission since
  December 31, 1990 (the forms, reports and other documents
  referred to in clauses (A), (B), (C), and (D) above being
  referred to herein, collectively, as the "SEC Reports"); (xiii)
                                            -----------
  the SEC Reports and any other forms, reports and other documents
  filed by the Company with the Commission after the date of this
  Agreement (A) were or will be prepared in accordance with the














  requirements of the 1933 Act and the 1934 Act, as the case may
  be, and the rules and regulations thereunder and (B) did not at
  the time they were filed, or will not at the time they are filed,
  contain any untrue statement of a material fact or omit to state
  a material fact required to be stated therein or necessary in
  order to make the statements made therein, in the light of the
  circumstances under which they were made, not misleading; (xiv)
  the consolidated financial statements (including, in each case,
  any notes thereto) contained in the SEC Reports were prepared in
  accordance with generally accepted accounting principles applied
  on a consistent basis throughout the periods indicated (except as
  may be indicated in the notes thereto) and each fairly presented
  the consolidated financial position, results of operations and
  cash flows of the Company and its consolidated subsidiaries as at
  the respective dates thereof and for the respective periods
  indicated therein (subject, in the case of unaudited statements,
  to normal and recurring year-end adjustments which were not and
  are not expected, individually or in the aggregate, to be
  material in amount); (xv) since December 31, 1992 there has not
  been any change, occurrence or circumstance in the business,
  results of operations or financial condition of the Company or
  any Subsidiary having, individually or in the aggregate, a
  Material Adverse Effect, other than changes, occurrences and
  circumstances referred to in any subsequently filed SEC Reports;
  (xvi) there is no claim, action, proceeding or investigation
  pending or, to the best knowledge of the Company, threatened by
  any public official or governmental authority, against the
  Company or any Subsidiary, or any of their respective property or
  assets before any court, arbitrator or administrative,
  governmental or regulatory authority or body, which challenges
  the validity of this Agreement, the Certificate of Designation or
  the Preferred Stock or any action taken or to be taken pursuant
  hereto or, except as set forth in the SEC Reports, which is
  reasonably likely to have a Material Adverse Effect; and (xvii)
  neither the Company nor any Subsidiary is in conflict with, or in
  default or violation of, (A) any law, rule, regulation, order,
  judgment or decree applicable to the Company or any Subsidiary or
  by which any property or asset of the Company or any Subsidiary
  is bound or affected, or (B) any note, bond, mortgage, indenture,
  contract, agreement, lease, license, permit, franchise or other
  instrument or obligation to which the Company or any Subsidiary
  is a party or by which the Company or any Subsidiary or any
  property or asset of the Company or any Subsidiary is bound or
  affected, except for any such conflicts, defaults or violations
  that would not, individually or in the aggregate, have a Material
  Adverse Effect.

       (b)  Except as set forth in this paragraph 4, the Company
  makes no representation, express or implied, to the Purchaser.

       (c)  "Subsidiary" means a "significant subsidiary" of the
             ----------
  Company, as such term is defined in Regulation S-X promulgated
  under the 1933 Act.















       (d)  The term "Material Adverse Effect" means any change or
                      -----------------------
  effect that is or is reasonably likely to be materially adverse
  to the business, results of operations or financial condition of
  the Company and its Subsidiaries, taken as a whole.

       (e)  Notwithstanding anything to the contrary in this
  paragraph 4, any change to or effect on the business, results of
  operations or financial condition of the Company and its
  Subsidiaries that results, directly or indirectly, from (a)
  regulations adopted by the Federal Communications Commission,
  whether before or after the date hereof, governing financial
  interest in and syndication of broadcast programming or
  implementing the Cable Television Consumer Protection and
  Competition Act of 1992 or (b) the subject matter contemplated by
  the Company's Current Report on Form 8-K, dated September 13,
  1993 (the "Paramount Transaction"), shall not be considered for
             ---------------------
  purposes of determining whether a breach has occurred of any
  representation or warranty, covenant or agreement of the Company
  contained herein.

       5.   (a)  The obligation of the Purchaser to consummate the
  Closing is subject to the satisfaction (or waiver by the
  Purchaser, at its sole discretion, except for clause (iv) below,
  which may not be waived by the Purchaser without the Company's
  consent) of the following conditions:

            (i)  (A)  the Company shall have performed in all
       material respects all of its obligations hereunder required
       to be performed by it at or prior to the Closing Date, (B)
       the representations and warranties of the Company contained
       in this Agreement shall be true in all material respects
       (other than those contained in Paragraph 4(a)(xv), which
       shall be true in all respects) as of the Closing Date, as if
       made at and as of such date (except for any such
       representations and warranties that are expressly stated to
       be as of a different date) and (C) the Purchaser shall have
       received a certificate signed by an executive officer of the
       Company to the foregoing effect;

            (ii) no judgment, injunction, order or decree shall
       materially restrict, prevent or prohibit the consummation of
       the Closing;

            (iii)     the Purchaser shall have received an opinion
       of Shearman & Sterling, dated the Closing Date,
       substantially in the form of Exhibit A hereto; and

            (iv) as of the Closing, in the Purchaser's judgment,
       neither the Company nor any Company Affiliate (as defined in
       paragraph 24) shall be engaged in any Restricted Activity
       (as defined in paragraph 24).

            (b)  The obligation of the Company to consummate the
  Closing is subject to the satisfaction (or waiver by the Company
  at its sole discretion) of the following conditions:














            (i)  (A)  the Purchaser shall have performed in all
       material respects all of its obligations hereunder required
       to be performed by it at or prior to the Closing Date, (B)
       the representations and warranties of the Purchaser
       contained in this Agreement shall be true in all material
       respects at and as of the Closing Date, as if made at and as
       of such date (except for any such representations and
       warranties that are expressly stated to be as of a different
       date) and (C) the Company shall have received a certificate
       signed by an executive officer of the Purchaser to the
       foregoing effect;

            (ii) no judgment, injunction, order or decree shall
       materially restrict, prevent or prohibit the consummation of
       the Closing; and 

            (iii) the Company shall have received an opinion of
       Raymond F. Burke, Esq., Executive Vice President, General
       Counsel and Secretary of the Purchaser, dated the Closing
       Date, substantially in the form of Exhibit B hereto.

       6.   Effective as of the Closing and for so long as the
  Purchaser and its Affiliates Beneficially Own at least 6,000,000
  shares of Preferred Stock or the equivalent in number of shares
  of Preferred Stock and shares of Class B Common Stock issuable
  upon conversion of the Preferred Stock, the Purchaser shall be
  entitled to one representative on the Board of Directors of the
  Company, who shall serve in such capacity in accordance with the
  Restated Certificate of Incorporation and the By-Laws of the
  Company.  Such representative shall initially be William C.
  Ferguson, who shall become a member of the Company's Board of
  Directors simultaneously with the Closing, and the Purchaser
  shall receive satisfactory evidence of this action.

            7.   (a)  The Purchaser acknowledges that the shares of
  Preferred Stock and Class B Common Stock into which such
  Preferred Stock is convertible have not been registered under the
  1933 Act or any state securities law, and hereby agrees not to
  offer, sell or otherwise transfer, pledge or hypothecate such
  shares unless and until registered under the 1933 Act and any














  applicable state securities law or unless, in the opinion of
  counsel reasonably satisfactory to the Company, such offer, sale,
  transfer, pledge or hypothecation is exempt from registration or
  is otherwise in compliance with the 1933 Act and such laws.

            (b)  Upon issuance of the Preferred Stock, and until
  such time as the same is no longer required under the applicable
  requirements of the 1933 Act, the certificates evidencing the
  Preferred Stock (and all securities issued in exchange therefor
  or substitution thereof) shall bear the following legend:

       THE SECURITIES EVIDENCED BY THIS CERTIFICATE HAVE NOT BEEN
       REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE
       "ACT"), OR ANY STATE SECURITIES LAWS AND MAY NOT BE OFFERED,
       SOLD OR OTHERWISE TRANSFERRED, PLEDGED OR HYPOTHECATED
       UNLESS AND UNTIL REGISTERED UNDER THE ACT AND ANY APPLICABLE
       STATE SECURITIES LAWS OR UNLESS, IN THE OPINION OF COUNSEL
       REASONABLY SATISFACTORY TO THE ISSUER, IN FORM AND SUBSTANCE
       REASONABLY SATISFACTORY TO THE ISSUER, SUCH OFFER, SALE,
       TRANSFER, PLEDGE OR HYPOTHECATION IS EXEMPT FROM
       REGISTRATION   OR IS OTHERWISE IN COMPLIANCE WITH THE ACT AND
       SUCH LAWS.

            8.   Effective at the Closing, the Purchaser shall have
  the registration rights, and the Company shall have the
  obligations, set forth in Annex II.

            9.   (a)  During the Put/Call Period (as defined
  below), the Company, at its option, shall have the right to
  purchase from the Purchaser and the Purchaser, at its option,
  shall have the right to sell to the Company, in each case at the
  Put/Call Price (as defined below), 12,000,000 shares of Preferred
  Stock.

            (b)  The Company or the Purchaser may each exercise the
  right granted to it in paragraph 9(a) by written notice to the
  other party at any time during the Put/Call Period and in the
  event such a notice is so delivered, the repurchase of the
  12,000,000 shares of Preferred Stock by the Company (the
  "Put/Call Closing") shall occur at 10:00 a.m. at the place
   ----------------














  specified in paragraph 2 hereof on the twentieth Business Day
  following the date such written notice is delivered.

            (c)  At the Put/Call Closing, the Company shall deliver
  to the Purchaser the Put/Call Price in cash by wire transfer in
  immediately available funds to an account of the Purchaser
  designated by the Purchaser by notice to the Company at least two
  Business Days prior to the date of the Put/Call Closing, and the
  Purchaser shall deliver to the Company a certificate representing
  the 12,000,000 shares of Preferred Stock, duly endorsed to the
  Company or accompanied by a stock power duly executed to the
  Company, in proper form for transfer, which shares shall be
  transferred by the Purchaser to the Company free and clear of any
  encumbrances or adverse claims.

            (d)  For the purposes of this paragraph 9, the
  following terms shall have the following meanings:

            (i)  "Put/Call Period" shall mean the period of 120
                  ---------------
       days following the earlier of (A) August 31, 1994, if, and
       only if, the Company or any of its Affiliates has not
       acquired Beneficial Ownership of a majority of the
       outstanding voting capital stock of Paramount Communications
       Inc. ("PCI") prior to August 31, 1994 or (B) the date on
              ---
       which any party other than the Company or any of its
       Affiliates acquires Beneficial Ownership of a majority of
       the voting capital stock of PCI; and

            (ii) "Put/Call Price" shall mean $600,000,000,
                  --------------
       representing the aggregate liquidation preference of the 
       12,000,000 shares of Preferred Stock, plus the aggregate amount
                                             ----
       of accrued and unpaid dividends on such shares of Preferred
       Stock to the date of the Put/Call Closing (whether or not
       earned or declared). 

            (e) The Company agrees not to enter into any contract,
  agreement, arrangement or understanding, nor to take or omit to
  take any action, that would restrict or impair the performance of
  its obligations under this paragraph 9, and the Company
  represents and warrants that it is neither a party to nor bound
  by any such contract, agreement, arrangement or understanding on
  the date hereof.

            10.  In the event that, until the earlier of (a) the
  date of the expiration of the Put/Call Period or (b) the
  consummation of the acquisition by the Company or any of its
  Affiliates of Beneficial Ownership of a majority of the outstanding
  voting capital stock of PCI, the Company issues new shares of
  preferred stock (other than through an offering intended to
  result in a distribution thereof to more than 35 non-accredited
  investors, which shall be on market terms) the terms of the
  Preferred Stock and the terms of Annex II hereto shall be amended
  in order to be at least as favorable to the holders of such Stock
  as those of such new shares.














            11.  (a)  In the event of a Change of Control (as
  defined below) of the Company, the Purchaser, at its option,
  shall have the right to sell to the Company or its assignee, at
  the Designated Price (as defined below), all shares of the
  Preferred Stock then held by the Purchaser and its Affiliates.

            (b)  The Purchaser may exercise the right granted to it
  in paragraph 11(a) by written notice to the Company at any time
  during the 30-day period following public announcement of such Change
  of Control and in the event such a notice is so delivered, the 
  repurchase of such shares of Preferred Stock by the Company
  (the "Paragraph 11 Closing") shall occur at 10:00 a.m. at the
        --------------------
  place specified in paragraph 2 hereof on the twentieth Business 
  Day following the date such written notice is delivered.

            (c)  At the Paragraph 11 Closing, the Company or its
  assignee shall deliver to the Purchaser the Designated Price in
  cash by wire transfer in immediately available funds to an
  account of the Purchaser designated by the Purchaser by notice to
  the Company at least two Business Days prior to the date of the
  Paragraph 11 Closing, and the Purchaser shall deliver to the
  Company a certificate representing the shares of Preferred Stock
  referred to in paragraph 11(a), duly endorsed to the Company
  or accompanied by a stock power duly executed to the
  Company, in proper form for transfer, which shares shall be
  transferred by the Purchaser to the Company free and clear of any
  encumbrances or adverse claims.

            (d)  For the purposes of this paragraph 11, the
  following terms shall have the following meanings:

            (i)  A "Change of Control" of the Company shall occur
                    -----------------
       if a Person Beneficially Owns more voting capital stock, on
       a fully diluted basis, of the Company than National
       Amusements, Inc., Sumner M. Redstone, any trust established
       by Mr. Redstone or of which he is the settlor, beneficiary
       or trustee and any heir, executor, administrator, or
       personal representative of Mr. Redstone or his estate, and
       any person or entity in any similar capacity, or any
       Affiliate of any of the foregoing (collectively, the
       "Group"), or the Group Beneficially Owns 30% or less of the
        -----
       voting capital stock, on a fully diluted basis, of the
       Company.  

            (ii) "Designated Price" shall mean the sum of (A)
  110% multiplied by the aggregate liquidation preference of the
  shares of Preferred Stock referred to in paragraph 11(a), plus
                                                            ----
  (B) the aggregate amount of accrued and unpaid dividends on such
  shares of Preferred Stock to the date of the Paragraph 11
  Closing.

            12.  (a)  From and after the Closing and for so long as
  the Purchaser is a significant investor in the Company (which is
  understood to mean Beneficial Ownership by the Purchaser and its
  Affiliates of at least 10,000,000 shares of the Preferred Stock
  or the equivalent in number of shares of Preferred Stock
  and shares of Class B Common Stock issuable on conversion of the














  Preferred Stock), subject to any conflicting arrangements
  existing on the date hereof and applicable laws, (i) the Company
  agrees to provide the Purchaser and the Purchaser's Affiliates
  access to video programming and programming packages originated
  (or supplied, if the Company has the to provide such access) by
  the Company or any controlled Affiliates of the Company, and (ii)
  the Purchaser agrees to provide the Company and the Company's
  Affiliates access to the distribution systems of the Purchaser
  and any controlled Affiliates of the Purchaser for video
  programming and programming packages originated (or supplied, if
  the Company has the right to provide such access) by the Company
  or any Affiliates of the Company, in the case of both (i) and
  (ii) on aggregate terms negotiated in good faith by the Company
  and the Purchaser to permit the Purchaser to effectively compete
  in the delivery of video programming.

            (b)  From and after the Closing and for so long as the
  Purchaser is a significant investor in the Company (as specified
  in paragraph 12 (a) above), subject to any conflicting
  arrangements existing on the date hereof and applicable laws, (a)
  the Purchaser shall have a right of first refusal, exercisable
  within 60 days of written notice by the Company, with respect to
  providing telephony service upgrade expertise to the Company's
  controlled cable systems and (b) with respect to any non-
  controlled cable systems of the Company, the Company shall use
  its reasonable best efforts to offer the Purchaser an opportunity
  to provide telephony service upgrade expertise to such non-
  controlled cable systems.

            (c)  The Purchaser and the Company agree, for a period
  of 24 months following the Closing, in good faith to explore and
  pursue appropriate strategic partnership opportunities in the
  domestic and international media, entertainment, video transport
  and telecommunications sectors (including, without limitation,
  domestic and international cable systems); provided that the
                                             --------
  provisions of this paragraph 12(c) shall terminate, at the option
  of either the Company or the Purchaser, in the event that
  paragraph 24(g) shall become applicable, unless and until the
  Purchaser reinvests in Preferred Stock and/or Class B Common
  Stock as contemplated by paragraph 24(g)(iv).

            13.  (a)  The representations and warranties contained
  in this Agreement shall survive the Closing until the first
  anniversary of the Closing Date.

                 (b)  The Purchaser and its Affiliates, officers,
  directors, employees, agents, successors and assigns shall be
  indemnified and held harmless by the Company for any and all
  liabilities, losses, damages, claims, costs and expenses,
  interest, awards, judgments and penalties (including, without
  limitation, reasonable attorneys' fees and expenses) (a "Loss")
                                                           ----
  actually suffered or incurred by them, arising out of or
  resulting from the breach of any representation or warranty or
  covenant of the Company contained in this Agreement.














                 (c)  The Company and its Affiliates, officers,
  directors, employees, agents, successors and assigns shall be
  indemnified and held harmless by the Purchaser for any and all
  Losses actually suffered or incurred by them, arising out of or
  resulting from the breach of any representation or warranty or
  covenant of the Purchaser contained in this Agreement.

            14.  (a)  The Purchaser agrees that neither the
  Purchaser nor any of its Affiliates shall participate in any
  transaction that, directly or indirectly, would have the effect
  of precluding or competing with the Paramount Transaction.

                 (b)  The Company agrees that in the event the
  Company intends to engage in additional equity financing in
  connection with the Paramount Transaction (other than equity to
  be issued to stockholders of PCI as consideration in such
  transaction), the Company shall consult with the Purchaser.

                 (c)  The Company agrees that prior to consummation
  of the Paramount Transaction, the Company shall receive an
  opinion from Smith Barney Shearson Inc. that the consideration
  actually to be paid by the Company in such transaction is fair,
  from a financial point of view, to the stockholders of the
  Company.

            15.  The Purchaser, on the one hand, and the Company,
  on the other, acknowledge and agree that irreparable damage would
  occur in the event that any of the provisions of this Agreement
  were not performed in accordance with their specific terms or
  were otherwise breached.  It is accordingly agreed that the
  parties shall be entitled to equitable relief (including
  injunction and specific performance) in any action instituted in
  any court of the United States or any state thereof having
  subject matter jurisdiction, as a remedy for any such breach or
  to prevent any breach of this Agreement.  Such remedies shall not
  be deemed to be the exclusive remedies for a breach or
  anticipatory breach of this Agreement, but shall be in addition
  to all other remedies available at law or equity to the parties
  hereto.  To the extent permitted by applicable law, the parties
  hereto irrevocably submit to the exclusive jurisdiction of the
  courts of the State of New York and the United States of America
  located in the State of New York for any suits, actions or
  proceedings arising out of or relating to this Agreement. 
  Notwithstanding the foregoing, any dispute as to the matters
  specified in the proviso to paragraph 24(g)(i)(A) as being
  subject to arbitration shall be subject to arbitration in the
  Borough of Manhattan in the City of New York in accordance with
  the commercial arbitration rules of the American Arbitration
  Association, and judgment upon the award returned by the
  arbitrators may be entered in any court having jurisdiction
  thereof.  The expenses of arbitration shall be borne by the party
  against whom the decision is rendered.
















            16.  This Agreement, its Annexes and Exhibits contain
  the entire understandings of the parties with respect to the
  subject matter hereof, thereby superseding all prior agreements
  of the parties relating to the subject matter hereof (other than
  the Confidentiality Agreement entered into between the Purchaser
  and the Company dated September 24, 1993), and may not be amended
  except by a writing signed by the parties.  Except as otherwise
  provided herein, this Agreement is not assignable by any of the
  parties; provided that the Purchaser may assign its rights and
           --------
  obligations under this Agreement to a wholly owned subsidiary of
  the Purchaser, so long as the Purchaser shall remain liable for
  all financial and performance obligations of the Purchaser
  hereunder.  This Agreement shall be binding upon, and inure to
  the benefit of, the respective successors of the parties.  This
  Agreement may be executed in counterparts, each of which shall be
  deemed an original, but all of which together will constitute one
  and the same instrument.

            17.  Any notices and other communications required to
  be given pursuant to this Agreement shall be in writing and shall
  be given by delivery by hand, by mail (registered or certified
  mail, postage prepaid, return receipt requested) or by facsimile
  transmission or telex, as follows:

            If to the Company:

                 Viacom Inc.
                 1515 Broadway
                 New York, New York  10036
                 Attention:  Philippe P. Dauman
                 Facsimile No.:  212-258-6134

            With a copy to:

                 Shearman & Sterling
                 599 Lexington Avenue
                 New York, New York  10022
                 Attention:  Stephen R. Volk
                 Facsimile No.:  212-848-7179

            If to the Purchaser:

                 NYNEX Corporation
                 1113 Westchester Avenue
                 White Plains, New York  10604-3510
                 Attention:  Frederic V. Salerno
                 Facsimile No.:  914-644-7649

            With copies to:

                 NYNEX Corporation
                 1113 Westchester Avenue
                 White Plains, New York 10604-3510
                 Attention: Raymond F. Burke
                 Facisimile No.: 914-644-6604

                 and

                 Skadden, Arps, Slate, Meagher & Flom
                 919 Third Avenue
                 New York, New York  10022
                 Attention:  Roger S. Aaron
                 Facsimile No.:  212-735-2001















  or to such other addresses as either the Company or the Purchaser
  shall designate to the other by notice in writing.

            18.  For purposes of this Agreement, the following
  terms shall have the following meanings:

            (a)  "Affiliate" shall mean any Person that (i)
                 -----------
  directly, or indirectly through one or more intermediaries,
  controls, or is controlled by, or is under common control with,
  the Person specified or (ii) is (A) the specified Person's
  spouse, parent, child, brother or sister or any issue of the
  foregoing (for purposes of the definition of Affiliate, issue
  shall include Persons legally adopted into the line of descent),
  (B) any corporation or organization of which the Person specified
  or such specified Persons's spouse, parent, child, brother or
  sister or any issue of the foregoing is an officer or partner or
  is, directly or indirectly, the beneficial owner of ten percent
  or more of any class of voting stock, and (C) any trust or other
  estate in which the specified Person or such specified Person's
  spouse, parent, child, brother or sister or any issue of the
  foregoing serves as trustee or in a similar fiduciary capacity
  and (D) the heirs or legatees of the specified Person by will or
  under the laws of descent and distribution.

            (b)  "Beneficially Own" with respect to any securities
                  ----------------
  and "Beneficial Ownership" shall mean having beneficial ownership
       --------------------
  as determined pursuant to Rule 13d-3 under the 1934 Act including
  pursuant to any agreement, arrangement or understanding, whether
  or not in writing.

            (c)  "Business Day" has the meaning specified in the
                  ------------
  Certificate of Designation.

            (d)  "Person" shall mean any individual, partnership,
                  ------
  joint venture, corporation, trust, incorporated organization,
  government or department or agency of a government, or any entity
  that would be deemed to be a "person" under Section 13(d)(3) of
  the 1934 Act.

            (e)  "1933 Act" means the Securities Act of 1933, as
                  --------
  amended.

            (f)  "1934 Act" means the Securities Exchange Act of
                  --------
  1934, as amended.

            19.  Subject to the terms and conditions of this
  Agreement, each of the parties hereby agrees to use all
  reasonable efforts to take, or cause to be taken, all action and
  to do, or cause to be done, all things necessary, proper or
  advisable under applicable laws, rules and regulations to
  consummate and make effective the transactions contemplated by
  this Agreement, including using its best efforts to obtain all














  necessary waivers, consents and approvals.  In case at any time
  after the execution of this Agreement, further action is
  necessary or desirable to carry out the purposes of this
  Agreement, the proper officers and directors of each of the
  parties shall take all such necessary action.

            20.  (a)  For so long as the Purchaser and its
  Affiliates shall Beneficially Own all of the outstanding
  Preferred Stock, the provisions of this paragraph 20 shall apply.

                 (b)  In case the Company shall distribute (in one
  distribution or a series of related distributions) to all holders
  of its Class A and Class B Common Stock any Securities (as
  defined in Section 7(d)(iii) of the Certificate of Designation)
  with an aggregate fair market value (as determined by the Board
  of Directors of the Company, whose determination shall, if made
  in good faith, be conclusive) of more than $300,000,000, then in
  each such case, unless the Company elects to reserve shares or
  other units of such Securities for distribution to the holders of
  the Preferred Stock as described in Section 7(d)(iii) of the
  Certificate of Designation, the following provisions shall apply,
  at the election of the Purchaser by written notice to the Company
  as provided in paragraph 20(f) below (the "Election Notice"):
                                             ---------------

            (i)  Securities shall be distributed to the Purchaser
            in the amount and kind which the Purchaser would have
            received if the Purchaser had, immediately prior to the
            record date for the distribution of the Securities,
            converted its shares of Preferred Stock into Class B
            Common Stock; 

            (ii) The Purchaser shall be deemed to have consented by
            delivery of the Election Notice, without the need for
            further vote or action on the part of the Purchaser, to
            amend the Certificate of Designation, effective on the
            date of the distribution of the Securities, to change
            the terms of the Preferred Stock to reflect the terms
            of the Redesignated Preferred Stock (as defined below)
            as determined by the Redesignation Agent (as defined
            below) in accordance with the provisions of paragraph
            20(c) below; and

            (iii)  Prior to the date of distribution of the
            Securities, the Company shall file with the Secretary
            of State of the State of Delaware the Certificate of
            Designation as amended as provided in clause (b)(ii)
            above.

                 (c)  The terms of the Redesignated Preferred Stock
  shall be determined by the Redesignation Agent as follows:

            (i)  The Redesignation Agent shall determine the
       Trading Price (as defined below) for the twenty trading days
       immediately prior to the record date for the distribution of














       the Securities and the Trading Price for the twenty trading
       days immediately after the record date for the distribution
       of the Securities and shall determine the difference, stated
       as a dollar amount, in the per share Trading Price between
       such two periods (the "Dollar Trading Difference");
                              -------------------------

            (ii) The Redesignation Agent shall then multiply the
       Dollar Trading Difference by the total number of shares of
       Class B Common Stock that the Preferred Stock would be
       convertible into immediately prior to the record date for
       the distribution of the Securities (the product of such
       multiplication, the "Aggregate Dollar Trading Difference");
                            -----------------------------------
       and

            (iii)  The Redesignation Agent shall then adjust the
       dividend rate, redemption prices, liquidation preference
       and/or conversion price (without affecting the number of
       underlying shares of Class B Common Stock) of the Preferred
       Stock as specified in the Certificate of Designation, but no
       other terms of the Preferred Stock, as necessary so that the
       difference in the fair market value, in the aggregate, of
       the Preferred Stock prior to the distribution of the
       Securities and after the distribution of Securities shall be
       as closely as possible equivalent to the Aggregate Dollar
       Trading Difference (the Preferred Stock with the terms so
       adjusted, the "Redesignated Preferred Stock").
                      ----------------------------

                 (d)  "Trading Price" for the Class B Common Stock
                       -------------
  for any given period shall be the average of the closing prices
  for the Class B Common Stock for the trading days included in
  such period on the American Stock Exchange or, if the American
  Stock Exchange is not the exchange on which the Class B Common
  Stock is principally traded, such exchange.

                 (e)  (i)  "Redesignation Agent" shall mean an
                            -------------------
       investment banking firm of national standing chosen in the
       following manner:  the Purchaser shall propose three such
       investment banking firms to the Company in writing within
       five Business Days of the delivery of the Election Notice by
       the Purchaser to the Company and within five Business Days
       of such firms being so proposed, the Company shall select by
       written notice to the Purchaser one such firm to serve as
       the Redesignation Agent.

                      (ii) All determinations of the Redesignation
       Agent shall, if made in good faith, be conclusive.

                      (iii) All fees of the Redesignation Agent
       shall be paid by the Company. 

                      (f)  If at any time the Board of Directors of
  the Company determines to make a distribution of Securities to
  which the provisions of this paragraph 20 would apply, the
  Company shall notify the Purchaser in writing as soon as














  practicable and, if the Purchaser decides to elect to have the
  provisions of this paragraph 20 apply to such distribution, the
  Purchaser shall so notify the Company within 15 Business Days of
  such notice from the Company.  The record date for any such
  distribution of Securities shall not be before the earlier  of 15
  Business Days after the Purchaser gives such notice to the
  Company and the expiration of the 15 Business Day period for the
  giving of such notice.

                 (g)  If the Purchaser elects to have the
  provisions of this paragraph 20 apply in the case of a
  distribution of Securities, (i) the Purchaser shall thereby waive
  compliance with the provisions of Section 7 of the Certificate of
  Designation that would otherwise apply in such case; (ii) the
  put/call provisions of paragraph 9 of this Agreement shall apply
  to the Redesignated Preferred Stock and the Put/Call Price shall
  be appropriately adjusted; and (iii) the Purchaser agrees that it
  shall not trade in the Class B Common Stock during either of the
  Trading Periods referred to in paragraph 20(c)(i) above.

            21.  The Company agrees that, for so long as the
  Purchaser holds Preferred Stock, the term "ratably", as used in
  the Company's Restated Certificate of Incorporation with respect
  to the rights of holders of the Company's common stock to receive
  dividends and distributions of assets upon liquidation, will be
  interpreted to mean treating Class A Common Stock and Class B
  Common Stock as a single class.

            22.  The Company agrees that, for so long as the
  Purchaser and its Affiliates Beneficially Own all of the
  outstanding Preferred Stock, upon the conversion of any shares of
  Preferred Stock the Purchaser shall be entitled to receive an
  amount equal to dividends accrued during the Dividend Period in
  which such conversion occurs and up to the date of the
  conversion, less any amounts previously paid with respect to any
  portion of such Dividend Period.  Such amounts shall be paid
  promptly after such conversion.

            23.  The parties agree to consult with each other
  before taking any action that would require the issuance of, or
  issuing, any press release or making any public statement with
  respect to this Agreement or the transactions contemplated hereby
  and, except as may be required by applicable law or any listing
  agreement with any securities exchange, will not take any such action,
  issue any such press release or make any such public statement prior 
  to such consultation.

            24.  (a)  The Company agrees that it shall take, and
  shall cause its Affiliates to take, Corrective Action (as defined
  in paragraph 24(d)) so that, in the Purchaser's judgment, as of
  and from and after the Closing, neither the Company nor any
  Company Affiliate, shall, directly or indirectly and whether by
  acquisition or otherwise, engage in any Restricted Activity.
















                 (b)  Both before and after the Closing, in
  performing its obligations under this paragraph 24, the Company
  shall consult with the Purchaser in good faith regarding which
  activities are Restricted Activities and which Persons are
  Company Affiliates, and the Company and the Purchaser shall
  consult in good faith and cooperate with respect to any
  Corrective Action.

                 (c)  For the purposes of this paragraph 24 and
  paragraph 5(a)(iv):

                 (i)  an activity shall be a Restricted Activity
                                             -------------------
       if, in the Purchaser's judgment, such activity would be
       reasonably likely to violate the "Modification of Final
       Judgment" consent decree entered in United States v.
                                           ----------------
       American Telephone and Telegraph Co., 552 F. Supp. 131
       -------------------------------------
       (1982) (the "MFJ"); and
                    ---

            (ii) a person shall be a Company Affiliate if, in the
                                     -----------------
       Purchaser's judgment, such Person would be reasonably likely
       to be considered a "Bell Operating Company" or an
       "affiliated enterprise" of the Purchaser because of a
       relationship with the Company (as such terms in quotes are
       defined in or interpreted under the MFJ).

            (d)  "Corrective Action" shall mean any and all action
                  -----------------
  necessary to assure that neither the Company nor any Company
  Affiliate is engaged in any Restricted Activity, including but
  not limited to discontinuing, modifying or transferring ownership
  of activities, deferring commencement of proposed activities or
  proposing alternative structures of the Purchaser's investment
  that, in the Purchaser's judgment, are of the same kind and
  magnitude (including aggregate strategic and economic rights and
  benefits) as the investment contemplated by this Agreement, all
  within the framework of not materially and adversely affecting
  the business or strategic objectives of the Company.

            (e)  (i)  The Purchaser agrees to deal in good faith
       with the Company under this paragraph 24 and the Purchaser
       agrees to consider in good faith any request by the Company
       that the Purchaser apply for waivers, clarifications or
       other relief from the relevant competent authority that
       would permit the Company and Company Affiliated to engage in
       activities that would or might constitute Restricted
       Activities in the absence of such waivers, clarifications or
       other relief and the Company acknowledges that the Purchaser
       is not required to file such applications if, in the
       Purchaser's judgment, such applications could materially and
       adversely affect matters affecting the Purchaser or its
       Affiliates pending before such authority.

            (ii) The Purchaser also agrees to consider in good
       faith the restructuring of the Purchaser's investment
       contemplated by this Agreement so as to permit activities by














       the Company and its Affiliates that would otherwise
       constitute Restricted Activities, while maintaining for the
       Purchaser, in its judgment, an investment of the same kind
       and magnitude (including aggregate strategic and economic
       rights and benefits) as the investment contemplated by this
       Agreement.

            (f)  If after the Closing, the Company or any Company
  Affiliate proposes to , directly or indirectly and whether by
  acquisition or otherwise, engage in an activity that may fall
  within the MFJ, the Company shall notify the Purchaser as soon as
  practicable but in no event less than 30 days in advance of doing
  so and the Company and the Purchaser shall, as provided in
  paragraph (b) above, consult in good faith regarding whether such
  activity is a Restricted Activity.  If the Company and the
  Purchaser mutually agree in writing that such activity is not a
  Restricted Activity, such activity shall be an "Agreed
                                                  ------
  Unrestricted Activity".  If the Company and the Purchaser
  ---------------------
  mutually agree in writing that such activity is a Restricted
  Activity, such activity shall be an "Agreed Restricted Activity". 
                                       --------------------------
  If the Company determines that such activity is not a Restricted
  Activity and the Purchaser determines that such activity is a
  Restricted Activity, such activity shall be a "Disputed
                                                 --------
  Restricted Activity".
  -------------------

            (g)  (i)  If, after the Closing, in the Purchaser's
  judgment, the Company or any Company Affiliate, directly or
  indirectly and whether by acquisition or otherwise, engages in
  any Restricted Activity, and the Company fails or is unable to
  take Corrective Action that, in the Purchaser's judgment, is
  reasonably likely to eliminate the Restricted Activity on a
  timely basis, then the Purchaser, at its option and by written
                ----
  notice to the Company, shall have the right to elect to do one or
  more of the following:  (x) require the Company to purchase (the
  "Put Right") all or part of the Preferred Stock and any Class B
   ---------
  Common Stock issued upon conversion of the Preferred Stock then
  Beneficially Owned by the Purchaser (together, the "Subject
                                                      -------
  Stock") at a price (the "Put Price") specified below; (y) require
  -----                    ---------
  the Company to promptly register all or part of the Subject Stock
  pursuant to the registration rights provided in paragraph 8 (a
  "Registered Offering"); and (z) sell all or part of the  Subject
   -------------------
  Stock privately (a "Private Sale:).  If the Purchaser exercises
                      ------------
  the Put Right because (x) the MFJ was judicially modified after
  the date hereof so as to cause an activity that was not
  previously a Restricted Activity to become a Restricted Activity
  or (y) a court having jurisdiction over the interpretation and
  enforcement of the MFJ determines that an Agreed Unrestricted
  Activity is a Restricted Activity, then the Put Price shall be
  the Market Price.  If the Purchaser exercises the Put Right
  because of (x) an activity which the Company did not previously
  notify the Purchaser of in accordance with paragraph (f) above,
  (y) an Agreed Restricted Activity, or (z) a Disputed Restricted
  Activity, then the Put Price shall be the Default Price.















            (A)  The "Default Price" shall mean:
                      -------------

            (1)  With respect to Preferred Stock, the aggregate
       liquidation preference of all shares of Preferred Stock
       purchased by the Company (the "Aggregate Liquidation
                                      ---------------------
       Preference"), plus accrued and unpaid dividends through the
       ----------
       date of such purchase (whether or not earned or declared),
       plus an amount equal to a 7% annual compounded rate of
       ----
       return on the Aggregate Liquidation Preference from the date
       of Closing to the date of purchase by the Company; provided
                                                          --------
       that if (a) the activity (other than Agreed Restricted
       Activity) with respect to which the Purchaser exercised the
       Put Right is later determined by the arbitration provided
       for in paragraph 15 not to be a Restricted Activity or (b)
       if the activity with respect to which the Purchaser
       exercised the Put Right is an activity of which the Company
       did not previously notify the Purchaser in accordance with
       paragraph (f) above and it is determined by the arbitration
       provided for in paragraph 15 that, notwithstanding such
       failure, the Company was exercising reasonable due diligence
       to identify Restricted Activities and to notify the
       Purchaser thereof pursuant to paragraph (f) above, then, the
       annual compounded rate of return on the Aggregate
       Liquidation Preference shall be 2%, instead of 7% (and any
       payments made on the basis of the 7% rate shall be subject
       to refund to implement such adjustment); and

            (2)  With respect to Class B Common Stock, the price
       per share equal to 100% of the Trading Price (as defined in
       paragraph 20(d)) for the 20 trading days immediately prior
       to the date of purchase by the Company.

       (B)  The "Market Price" shall mean:

            (1)  With respect to the Preferred Stock, the price per
       share equal to its stated liquidation preference, plus
       accrued and unpaid dividends to the date of purchase by the
       Company (whether or not earned or declared); and

            (2)  With respect to Class B Common Stock, the price
       per share equal to 100% of the Trading Price for the 20
       trading days immediately prior to the date of purchase by
       the Company.

            (iii)     In any instance in which the Purchaser or its
       Affiliates would be entitled to receive the Default Price
       under this paragraph 24(g) and elects to dispose of the
       Preferred Stock to which such Default Price would be
       applicable either in a Registered Offering or a Private
       Sale, the Company shall be obligated to pay to the Purchaser
       or such Affiliates the amount, if any, by which the gross
       proceeds to the Purchaser or such Affiliates, after
       deducting underwriting commissions and discounts or agency
       fees, realized in such disposition is less than the














       aggregate Default Price that would have been payable to the
       Purchaser and such Affiliates by the Company had the Purchaser 
       or such Affiliates elected to require the Company
       to purchase such Preferred Stock under this paragraph 24(g);
       provided, however, that the Company shall not be obligated
       --------  -------
       to make any such payment in any instance in which the
       Purchaser or any Affiliate rejects the Company's written
       request, if such a request is made by the Company by written
       notice to the Purchaser within 5 Business Days of receipt by
       the Company of Purchaser's notice pursuant to (g)(i) above
       (and which the Company shall be entitled to make in its
       discretion), to purchase such Preferred Stock from the
       Purchaser or such Affiliate at the Default Price, which
       right the Purchaser shall have in its discretion.

            (iv) In any instance in which (A) the Company has
       purchased Preferred Stock or Class B Common Stock from the
       Purchaser or its Affiliates pursuant to this paragraph 24(g)
       and (B) the Company has taken Corrective Action within 180
       days after the date of such purchase so that the Company and
       Company Affiliates are not engaged, in the Purchaser's
       judgment, in any Restricted Activity, the Purchaser shall be
       obligated to reinvest as soon as commercially possible in
       such number of shares of Preferred Stock and of Class B
       Common Stock as were so purchased by the Company for a
       purchase price, in cash, equal to the amount paid to the
       Purchaser by the Company pursuant to this paragraph 24(g). 
       From and after any purchase by the Company of Preferred
       Stock or Class B Common Stock from the Purchaser or its
       Affiliates pursuant to this paragraph 24(g), at the option
       of either the Company or the Purchaser by written notice to
       the other, the Company and the Purchaser shall continue to
       take Corrective Action in accordance with this paragraph 24
       for a period of 180 day after the date of such purchase by
       the Company.

            (v)  In recognition of time being of the essence with
       respect to any purchase by the Company of Preferred Stock or
       Class B Common Stock pursuant to this paragraph 24(g), such
       purchase shall occur as soon as commercially possible, but
       in no event more than 20 Business Days, after receipt of a
       written notice by the Purchaser to the Company requesting
       such purchase in accordance with the terms of this paragraph
       24(g).  Unless otherwise agreed by the Purchaser, all
       payments due to the Purchaser from the Company under this
       paragraph 24(g) shall be in cash.

            (h)  The Purchaser agrees that paragraph 5(a)(iv) and
       this paragraph 24 embody the Purchaser's exclusive remedies
       against the Company under this Agreement with respect to the
       MFJ.

            25.  The Company agrees that, for so long as the
       Purchaser and its Affiliates Beneficially Own all of the
       outstanding Preferred Stock, the Purchaser shall not amend,














       alter or repeal any of the provisions of the Certificate of
       Designation without the consent of the Purchaser.

            26.  This Agreement shall be governed by and construed
       in accordance with the laws of the State of New York
       applicable to contracts executed in and to be performed in
       that state.

                                     Very truly yours,

                                     VIACOM INC.

                                     By  /s/ Sumner M. Redstone 
                                        ------------------------

  Accepted and agreed on 
    the date written above:

  NYNEX CORPORATION

  By  /s/ W.C. Ferguson 
     ------------------









                             VIACOM INC.
                            1515 Broadway
                          New York, New York

                                                  November 19, 1993

  NYNEX Corporation
  335 Madison Avenue
  New York, New York 10017

  Dear Sirs:

            Reference is made to the Agreement between NYNEX
  Corporation and Viacom Inc., dated october 4, 1993 (the
  "Agreement"). Terms defined in the Agreement are used herein as
  therein defined, unless otherwise defined herein.

            1.   The Agreement is hereby amended as follows:

            (a)  Paragraph 2 is amended by deleting paragraph 2(a)
  in its entirety and by replacing it with the following:

            "(a) The closing (the "Closing") of the purchase
                                   --------
       provided for in paragraph 1 shall take place as soon as
       practicable, but in no event more than five Business Days,
       after satisfaction of the conditions specified in paragraph
       5 at the offices of Shearman & Sterling, 599 Lexington
       Avenue, New York, New York.  The date and time of the
       Closing are referred to herein as the "Closing Date".  The
                                              ------------
       Company and the Purchaser currently anticipate that the
       Closing Date shall be on or about November 19, 1993."

            (b)  Paragraph 5(a) is amended by deleting the word
  "and" at the end of paragraph 5(a)(iii) and by adding after
  paragraph 5(a)(iv) the following new paragraphs 5(a)(v), (vi),
  (vii), and (viii):

                 "(v) PVI Transmission Inc. ("Transco") shall have
            been duly and validly incorporated under the laws of
            the State of Delaware, the Identified Activities (as
            hereinafter defined) shall have been transferred to
            Transco as described in the certificate referred to in
            paragraph 5(a)(i)(C) above, and the shares of common
            stock and Non-Participating Preferred Stock (as
            hereinafter defined) of Transco shall have been issued,
            all as provided in paragraph 25 hereof;

                 (vi) No claims, proceedings, suits or
            investigations shall have been initiated or threatened 
            by or before any court, governmental department,
            commission, bureau, board, agency or instrumentality,
            against the Purchaser or any other "Bell Operating
            Company" or any "affiliated enterprise" of a "Bell
            Operating Company" (as such terms in quotes are defined
            in or interpreted under the MFJ (as defined in













            paragraph 24)) that challenge or otherwise call into
            question the effectiveness, as a means of insuring from
            and after the Closing the Purchaser's compliance with
            the MFJ, of the transfer of the Identified Activities
            and the PCI Activities (as hereinafter defined) to
            Transco in consideration of the issuance of the Transco
            Non-Participating Preferred Stock to the Company (or
            its subsidiaries) or, in the case of the PCI
            Activities, to PCI (or its subsidiaries);

                 (vii)     There shall exist no writ, judgement,
            order, ruling decree or interpretation by a court,
            governmental department, commission, bureau, board,
            agency or instrumentality that changes or modifies
            prior interpretations of the MFJ or other precedent
            involving the MFJ such that the ownership of the
            Preferred Stock by the Purchaser, in the Purchaser's
            judgment, would cause the Company or any Company
            Affiliate to be engaged in a Restricted Activity,
            notwithstanding the formation of Transco, the transfer
            thereto of the Identified Activities and the PCI
            Activities and the issuance to the Company (or its
            subsidiaries) or, in the case of the PCI Activities, to
            PCI (as hereinafter defined) (or its subsidiaries) of
            the Non-Participating Preferred Stock of Transco, all
            as provided in paragraph 25 hereof; and 

                 (viii)    The certificate referred to in paragraph
            5(a)(i)(C) above shall describe procedures and
            undertakings by the Company and PCI to provide for the
            implementation of the provisions of paragraph 25 hereof
            as regards the PCI Activities, which procedures and
            undertakings, and the proposed implementation thereof,
            shall be reasonably satisfactory to the Purchaser."

                 (c)  Paragraph 11 is amended by deleting paragraph
  11(d)(i) in its entirety and by replacing it with the following:

                 "(i) A "Change of Control" of the Company shall
                         -----------------
            occur if a Person Beneficially Owns more voting capital
            stock, on a fully diluted basis, of the Company than
            National Amusements, Inc. ("NAI"), Sumner M. Redstone,
            any trust established by Mr. Redstone or of which he is
            the settlor, beneficiary or trustee and any heir,
            executor, administrator, or personal representative of
            Mr. Redstone or his estate, and any person or entity in
            any similar capacity, or any Affiliate of any of the
            foregoing, (collectively, the "Group"), or the Group
                                           -----
            Beneficially Owns 30% or less of the voting capital
            stock, on a fully diluted basis, of the Company;
            provided, however, that NAI shall no longer be included
            in the Group if a Person Beneficially Owns more voting
            capital stock, on a fully diluted basis, of NAI than
            the Group, or the Group Beneficially Owns 30% or less














            of the voting capital stock, on a fully diluted basis,
            of NAI."

                 (d)  Paragraph 15 is amended by inserting in the
  penultimate sentence thereof, after "paragraph 24(g)(i)(A)", the
  following:

                 "or paragraph 25(g)".

                 (e)  Paragraph 16 is amended by inserting in the
  first sentence thereof, after "Annexes", the following:

                 ", the Disclosure Schedule (as hereinafter
  defined)".

                 (f)  Paragraph 24 is amended by deleting the first
  sentence of paragraph 24(c) and replacing it with the following:

                 "(c) For the purposes of this paragraph 24,
            paragraph 25 and paragraphs 5(a)(iv) and 5(a)(vii):",

  and is further amended by deleting paragraph 24(h) in its
  entirety and by replacing it with the following:

                 "(h) The Purchaser agrees that paragraph 5(a)(iv),
            this paragraph 24 and paragraph 25 embody the
            Purchaser's exclusive remedies against the Company
            under this Agreement with respect to the MFJ."

            (g)  The Agreement is amended by adding new paragraph
  25 as set forth below:

            "25. (a)  The Company agrees that it shall take, and
       shall cause its Affiliates to take, as promptly as
       practicable, all action necessary (i) to duly and validly
       incorporate Transco as a Delaware corporation having a
       certificate of incorporation and by-laws substantially in
       the form of Annex III hereto, (ii) to contribute (or cause
       its subsidiaries to contribute) to the capital of Transco
       the several assets identified in the disclosure schedule
       (the "Disclosure Schedule") delivered by the Company to the
       Purchaser on November 19, 1993 (the "Identified
       Activities"), subject to the liabilities associated
       therewith, in consideration of the issuance to the
       transferor(s) of the Identified Activities of a number of
       shares of non-participating preferred stock of Transco, with
       the rights and preferences specified in the certificate of
       designation included in Annex III (the "Non-Participating
       Preferred Stock"), determined pursuant to paragraph (c)
       below.  Such contribution shall be made concurrently with
       the contribution by NAI (or a subsidiary of NAI) of
       $1,850,000 in consideration of the issuance to NAI (or such
       subsidiary) of 100 shares of common stock of Transco.















            (b)  Notwithstanding any other provision in paragraph
       24 to the contrary, (i) the Company and the Purchaser, in
       anticipation of the acquisition by the Company and/or its
       Affiliates of more than 50% of the outstanding shares of
       common stock of PCI (the "Acquisition"), shall continue good
       faith discussions with each other so as to identify the
       specific assets and operations of PCI which constitute
       Restricted Activities (the "PCI Activities") (which assets
       and operations, based on such discussions to date, are
       described in the Disclosure Schedule), it being understood
       that in the case of disagreement, the Purchaser ultimately
       shall have the right to determine, in the Purchaser's
       judgment, which assets and operations of PCI constitute
       Restricted Activities, and (ii) the Company agrees that it
       shall take, and cause its Affiliates to take, all action
       necessary to contribute (or cause to be contributed) the PCI
       Activities, subject to the liabilities associated therewith,
       to Transco in consideration of the issuance to the
       transferor(s) of the PCI Activities of a number of shares of
       Non-Participating Preferred Stock of Transco determined
       pursuant to paragraph (c) below.  The contribution of the
       PCI Activities to Transco provided for in this paragraph (b)
       shall be made concurrently with the consummation of the
       Acquisition; except, that, if approval of the Acquisition
                    ------  ----
       shall not have been obtained from the Federal Communications
       Commission prior to the consummation of the Acquisition and
       as a result the shares of PCI acquired by the Company are
       deposited at the time of the Acquisition in a voting trust
       pursuant to a special temporary authorization granted by the
       Federal Communications Commission, which voting trust
       prevents the Company and its Affiliates from directly or
       indirectly influencing the trustee under such voting trust
       concerning the operation or management of the PCI
       Activities, then such contribution of the PCI Activities to
       Transco need not be made until the date of termination of
       such voting trust.

            (c)  The contributions to Transco of the Identified
       Activities and the PCI Activities as described in (a) and
       (b) above shall be in consideration of the issuance to the
       respective transferors of such number of shares of Non-
       Participating Preferred stock of Transco having an aggregate
       liquidation preference equalling the fair value of the
       activities contributed, determined on an arms-length basis,
       the fairness of which from a financial point of view shall
       be evidenced by the opinion of an investment bank reasonably
       satisfactory to the Company, NAI and the Purchaser.

            (d)  Notwithstanding any other provision of this
       Agreement to the contrary, if, at any time, in the
       Purchaser's judgment, the continued ownership by the Company
       or its subsidiaries of an interest in Transco would cause
       the Company or any Company Affiliate to be engaged in a
       Restricted Activity by virtue of Transco's ownership of
       Identified Activities and/or PCI Activities, and the













       Purchaser determines in good faith that it would be
       detrimental to the Purchaser's best interests either to
       initiate efforts or to continue pursuing existing efforts to
       confirm the propriety under the MFJ of the ownership by the
       Company or its subsidiaries of shares of Non-Participating
       Preferred Stock in Transco or any other interest in Transco,
       the Company shall take any and all action necessary to cause
       the Company (and all of its subsidiaries) to dispose of all
       interests in Transco owned by the Company (or any of its
       subsidiaries), and/or take such other action as, in the
       Purchaser's judgment, is necessary so that neither the
       Company nor any Company Affiliate will be engaged in a
       Restricted Activity (such obligation to divest and take
       other action being collectively referred to as the
       "Divestment Action").  The Divestment Action shall be taken
       as promptly as practicable, but in no event later than
       thirty (30) Business Days after the Purchaser notifies the
       Company in writing of such determination.

            (e)  In the event the Purchaser determines, in its
       judgment, that the direct ownership by the Company (or any
       of its subsidiaries) of all or any portion of the Identified
       Activities or the PCI Activities would not result in the
       Purchaser's being in violation of the MFJ, the Company will,
       upon written notice from the Purchaser, acquire (or cause a
       wholly-owned subsidiary to acquire), for fair value
       determined on an arm's-length basis, the fairness of which
       from a financial point of view shall be evidenced by the
       opinion of an investment bank reasonably satisfactory to the
       Company, NAI and the Purchaser, (i) all of the capital stock
       of Transco not then owned by the Company and its
       subsidiaries, or (ii) specific Identified Activities or PCI
       Activities identified in writing by the Purchaser, as
       determined by the Purchaser; provided that the Company shall
       be entitled to defer, for a reasonable period of time, any
       such acquisition if the Company determines in good faith,
       and so notifies the Purchaser in writing, that consummating
       such acquisition at such time would be detrimental to the
       Company's best interests.

            (f)  If the Company fails or is unable to implement the
       Divestment Action within the period set forth in (d) above,
       then the Purchaser, at its option, by written notice to the
       Company, shall have the right to elect to do one or more of
       the following: (i) exercise the Put Right with respect to
       all or part of the Subject Stock at the Divestment Price (as
       defined below); (ii) require the Company to promptly
       register all or part of the Subject Stock in a Registered
       Offering; and/or (iii) sell all or part of the Subject Stock
       privately in a Private Sale.  If the Purchaser is entitled
       to receive the Divestment Price under this paragraph 25(f)
       and elects to dispose of the Preferred Stock or any portion
       thereof either in a Registered Offering or a Private Sale,
       the Company agrees to pay to the Purchaser the amount, if
       any, by which the gross proceeds to the Purchaser, after













       deducting underwriting commissions and discounts or agency
       fees, realized in such disposition is less than the
       aggregate Divestment Price that would have been payable to
       the Purchaser by the Company had the Purchaser elected to
       require the Company to purchase such Preferred Stock under
       this paragraph 25(f); provided, however, that the Company
                             --------  -------
       shall not be obligated to make any such payment in any
       instance in which the Purchaser rejects the Company's
       written request, if such a request is made by the Company by
       written notice to the Purchaser within 5 Business Days of
       receipt by the Company of the Purchaser's notice pursuant to
       this paragraph 25(f) (and which the Company shall be
       entitled to make in its discretion), to purchase such
       Preferred Stock from the Purchaser at the Divestment Price,
       which right the Purchaser shall have in its discretion.  The
       Purchaser's rights under this paragraph 25 shall be
       enforceable by any Affiliate to which it has transferred
       Subject Stock.  For purposes of this paragraph 25, the
       "Divestment Price" shall mean (A) with respect to Preferred
        ----------------
       Stock, the Aggregate Liquidation Preference plus accrued and
                                                   ----
       unpaid dividends through the date of such purchase (whether
       or not earned or declared), plus an amount equal to a 7%
                                   ----
       annual compounded rate of return on the Aggregate
       Liquidation Preference from the date of Closing to the date
       of purchase by the Company, and (B) with respect to Class B
       Common Stock, the price per share equal to 100% of the
       Trading Price for the 20 trading days immediately prior to
       the date of purchase by the Company.

            (g)  Notwithstanding any other provision of this
       Agreement, the remedy provided in (f) above is in addition
       to any and all other remedies that may be available to the
       Purchaser, at law or in equity, including, without
       limitation, the right to seek damages, unless it is
       determined by the arbitration provided for in paragraph 15
       that the Company and its Affiliates shall have acted
       reasonably in failing to implement the Divestment Action as
       set forth in (d) above, in which event such remedy in (f)
       above shall be the exclusive remedy available to the
       Purchaser.  In the event that the Purchaser is entitled to
       seek damages as provided above in this paragraph 25(g), such
       damages shall be offset by an amount equal to the 7% annual
       compounded rate of return on the Aggregate Liquidation
       Preference included in the Divestment Price if (but only if)
       the Divestment Price both was determined by reference to
       Preferred Stock and already has been paid to the Purchaser."

            (h)  ANNEX II of the Agreement is amended by deleting
       the second sentence of the first paragraph, which currently
       reads "In addition, at any time that the Purchaser shall
       have the right to require the Company to purchase shares of
       Preferred Stock and Class B Common Stock pursuant to
       paragraph 24(g) of the Agreement, the Purchaser shall have
       the right to make a request to register under the 1933 Act
       any or all of such shares of Preferred Stock and Class B













       Common Stock (the "Paragraph 24(g) Stock")", and by
                          ---------------------
       replacing it with the following:

                 "In addition, at any time that the Purchaser shall
            have the right to require the Company to purchase
            shares of Preferred Stock and Class B Common Stock
            pursuant to paragraph 24(g) and/or paragraph 25(f) of
            the Agreement, the Purchaser shall have the right to
            make a request to register under the 1933 Act any or
            all of such shares of Preferred Stock and Class B
            Common Stock (in the case of either paragraph 24(g) or
            paragraph 25(f), the "Paragraph 24(g) Stock")".
                                  ---------------------

            (i)  Paragraph 25 is deleted in its entirety and is
       hereby replaced with the following new paragraph 26:

                 "The Company agrees that, for so long as the
            Purchaser and its Affiliates Beneficially Own all of
            the outstanding Preferred Stock, the Company shall not
            amend, alter or repeal any of the provisions of the
            Certificate of Designation without the consent of the
            Purchaser."

            (j)  The Agreement is amended to change current
       paragraph number "26" to "27".

            (k)  The Agreement is hereby amended to add thereto as
       "Annex III" the attached forms of the certificate of
       incorporation, by-laws and certificate of designation of
       Transco.

       2.   This Amendment Agreement may be executed in multiple
  counterparts, each of which when so executed shall be deemed to
  be an original, and such counterparts together shall constitute
  and be one and the same instrument.

       3.   This amendment to the Agreement shall be governed and
  construed in accordance with the laws of the State of New York
  applicable to contracts executed in and to be performed in that
  state.

                                     Very truly yours,

                                     VIACOM INC.


                                     By:_______________________

  Accepted and agreed on
  the date written above:

  NYNEX CORPORATION


  By:_________________