ASCEND COMMUNICATIONS INC
8-K, 1999-01-15
COMPUTER COMMUNICATIONS EQUIPMENT
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                  SECURITIES AND EXCHANGE COMMISSION 
                       WASHINGTON, D.C. 20549 
  
  
                              FORM 8-K 
                           CURRENT REPORT 
  
  
               Pursuant to Section 13 or 15(d) of the 
                  Securities Exchange Act of 1934 
  
  
                             January 12, 1999           
                     (Date of earliest event reported) 
  
                                       
                         Ascend Communications, Inc.                
           (Exact name of Registrant as specified in its charter) 
  
  
  Delaware                 0-23774                  94-3092033       
 (State or other     (Commission File Number)     (IRS Employer 
 Jurisdiction of                                  Identification No.) 
 Incorporation) 
  
                                       
          One Ascend Plaza, 1701 Harbor Bay Parkway, Alameda, CA  94502
            (Address of principal executive offices)             (Zip Code) 
  
                                       
                                 (510) 769-6001
            (Registrant's telephone number, including area code) 
  
                                       
                                     N/A                             
       (Former name or former address, if changed since last report) 
  

  
  
 ITEM 5.  OTHER EVENTS. 
  
           Ascend Communications, Inc., a Delaware corporation ("Ascend"),
 Lucent Technologies Inc., a Delaware corporation ("Lucent"), and Dasher
 Merger Inc., a Delaware corporation and a wholly owned subsidiary of Lucent
 ("Sub"), entered into an Agreement and Plan of Merger, dated as of January
 12, 1999 (the "Merger Agreement"), pursuant to which, and subject to the
 conditions thereof, Ascend will become a wholly owned subsidiary of Lucent
 through the merger of Sub with and into Ascend.  In connection with the
 Merger Agreement, Ascend and Lucent entered into a Stock Option Agreement,
 dated as of January 12, 1999 (the "Stock Option Agreement"), pursuant to
 which Lucent has the right, under certain circumstances, to purchase up to
 43,832,749 shares of Common Stock, par value $.001 per share, of Ascend.  A
 copy of each of the Merger Agreement and the Stock Option Agreement is
 attached hereto as Exhibit 2.1 and Exhibit 4.1, respectively.  Such
 Exhibits are incorporated by reference into this Item 5 and the foregoing
 description is qualified in its entirety by reference to such Exhibits.  
  
 ITEM 7.   FINANCIAL STATEMENTS AND EXHIBITS. 
  
 (c)       Exhibits. 
  
 Exhibit No.              Description 
  
      2.1       Agreement and Plan of Merger, dated as of January 12, 1999,
                among Lucent Technologies Inc., a Delaware corporation
                ("Lucent"), Dasher Merger Inc., a Delaware corporation and a
                wholly owned subsidiary of Lucent, and Ascend
                Communications, Inc., a Delaware corporation. 
  
      4.1       Stock Option Agreement, dated as of January 12, 1999, by and
                between Ascend Communications, Inc., a Delaware corporation,
                and Lucent Technologies Inc., a Delaware corporation. 
  

                                    SIGNATURE
  
  
           Pursuant to the requirements of the Securities Exchange Act of
 1934, the Registrant has duly caused this report to be signed on its behalf
 by the undersigned hereunto duly authorized. 
  
                                    ASCEND COMMUNICATIONS, INC. 
  
  
                               By:  /s/ Michael F.G. Ashby    
                                    -------------------------------
                                    Michael F.G. Ashby 
                                    Executive Vice President, 
                                    Chief Financial Officer, and 
                                    Secretary (Principal 
                                    Financial and Accounting 
                                    Officer) 
  
  
  
 Date:  January 13, 1999 
  

  
  
                               EXHIBIT INDEX 
  
 Exhibit    
 No.       Description 
  
 2.1       Agreement and Plan of Merger, dated as of January 12, 1999, among
           Lucent Technologies Inc., a Delaware corporation ("Lucent"),
           Dasher Merger Inc., a Delaware corporation and a wholly owned
           subsidiary of Lucent, and Ascend Communications, Inc., a Delaware
           corporation. 
  
 4.1       Stock Option Agreement, dated as of January 12, 1999, by and
           between Ascend Communications, Inc., a Delaware corporation, and
           Lucent Technologies Inc., a Delaware corporation. 





                                                                Exhibit 2.1 

                                                             CONFORMED COPY 
  ========================================================================== 
  
  
  
                          AGREEMENT AND PLAN OF MERGER
  
  
                          Dated as of January 12, 1999 
  
  
                                  By and Among
  
  
                            LUCENT TECHNOLOGIES INC., 
  
  
                               DASHER MERGER INC. 
  
  
                                       And 
  
  
                           ASCEND COMMUNICATIONS, INC. 



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



                                TABLE OF CONTENTS
                                                                 Page
                                                                 ----
                                   ARTICLE I
  
                                   The Merger
  
 SECTION 1.01.  The Merger  . . . . . . . . . . . . . . .         2 
 SECTION 1.02.  Closing . . . . . . . . . . . . . . . . .         2 
 SECTION 1.03.  Effective Time  . . . . . . . . . . . . .         2 
 SECTION 1.04.  Effects of the Merger . . . . . . . . . .         2 
 SECTION 1.05.  Certificate of Incorporation and By-laws          2 
 SECTION 1.06.  Board of Directors and Officers . . . . . .       3
  
                                   ARTICLE II
  
                 Effect of the Merger on the Capital Stock of the 
                 Constituent Corporations; Exchange of Certificates 
  
 SECTION 2.01.  Effect on Capital Stock . . . . . . . . .         3 
                (a) Capital Stock of Sub  . . . . . . . .         3 
                (b) Cancelation of Treasury Stock and              
                    Lucent-Owned Stock  . . . . . . . . .         3 
                (c) Conversion of Ascend Common Stock . .         3 
                (d) Anti-Dilution Provisions  . . . . . . .       4

 SECTION 2.02.  Exchange of Certificates  . . . . . . . . .       4
                (a) Exchange Agent  . . . . . . . . . . . .       4
                (b) Exchange Procedures . . . . . . . . . .       4
                (c) Distributions with Respect to                  
                    Unexchanged Shares  . . . . . . . . . .       5
                (d) No Further Ownership Rights in Ascend          
                    Common Stock  . . . . . . . . . . . . .       6
                (e) No Fractional Shares  . . . . . . . . .       6
                (f) Termination of Exchange Fund  . . . . .       8
                (g) No Liability  . . . . . . . . . . . . .       8
                (h) Investment of Exchange Fund . . . . . .       8
                (i) Lost Certificates . . . . . . . . . . .       8
  
                                ARTICLE III 
  
                       Representations and Warranties 
  
 SECTION 3.01.  Representations and Warranties of Ascend          9 
                (a) Organization, Standing and Corporate           
                    Power . . . . . . . . . . . . . . . .         9 
                (b) Subsidiaries  . . . . . . . . . . . .         10 
                (c) Capital Structure . . . . . . . . . .         10 
                (d) Authority; Noncontravention . . . . .         12 
                (e) SEC Documents; Undisclosed                     
                    Liabilities . . . . . . . . . . . . .         14 
                (f) Information Supplied  . . . . . . . .         14 
                (g) Absence of Certain Changes or Events          15 
                (h) Litigation  . . . . . . . . . . . . .         15 
                (i) Compliance with Applicable Laws . . .         16 
                (j) Absence of Changes in Benefit Plans .         17 
                (k) ERISA Compliance  . . . . . . . . . .         18 
                (l) Taxes . . . . . . . . . . . . . . . .         18 
                (m) Voting Requirements . . . . . . . . .         20 
                (n) State Takeover Statutes . . . . . . .         22 
                (o) Accounting Matters  . . . . . . . . .         22 
                (p) Brokers . . . . . . . . . . . . . . .         22 
                (q) Opinion of Financial Advisor  . . . .         22 
                (r) Intellectual Property; Year 2000  . .         23 
                (s) Certain Contracts . . . . . . . . . .         23 
                                                                  24 
                                                                    

 SECTION 3.02.  Representations and Warranties of Lucent           
                and Sub . . . . . . . . . . . . . . . . .         24 
                (a) Organization, Standing and Corporate           
                    Power . . . . . . . . . . . . . . . .         25 
                (b) Capital Structure . . . . . . . . . .         25 
                (c) Authority; Noncontravention . . . . .         26 
                (d) SEC Documents; Undisclosed                     
                    Liabilities   . . . . . . . . . . . .         28 
                (e) Information Supplied  . . . . . . . .         29 
                (f) Absence of Certain Changes or Events          29 
                (g) Litigation  . . . . . . . . . . . . .         30 
                (h) Compliance with Applicable Laws . . .         30 
                (i) Taxes . . . . . . . . . . . . . . . .         31 
                (j) Voting Requirements . . . . . . . . .         32 
                (k) Accounting Matters  . . . . . . . . .         32 
                (l) Brokers . . . . . . . . . . . . . . .         32 
                (m) Opinion of Financial Advisor  . . . .         32 
                (n) Interim Operations of Sub   . . . . .         32
   
                                     ARTICLE IV
  
                   Covenants Relating to Conduct of Business
  
 SECTION 4.01.  Conduct of Business . . . . . . . . . . .        33 
                (a) Conduct of Business by Ascend . . . .        33 
                (b) Conduct of Business by Lucent . . . .        36 
                (c) Other Actions . . . . . . . . . . . .        36 
                (d) Advice of Changes . . . . . . . . . .        37 

 SECTION 4.02.  No Solicitation by Ascend . . . . . . . .        37
  
                                    ARTICLE V
  
                              Additional Agreements
  
 SECTION 5.01.  Preparation of the Form S-4 and the Ascend        
                Proxy Statement; Ascend Stockholders         
                Meeting  . . . . . . . . . . . . . .  . .        40 
 SECTION 5.02.  Letters of Ascend's Accountants . . . . .        41 
 SECTION 5.03.  Letters of Lucent's Accountants . . . . .        41 
 SECTION 5.04.  Access to Information; Confidentiality  .        42 
 SECTION 5.05.  Commercially Reasonable Best Efforts  . .        42 
 SECTION 5.06.  Stock Options . . . . . . . . . . . . . .        43 
 SECTION 5.07.  Ascend Stock Plans  . . . . . . . . . . .        45 
 SECTION 5.08   Employee Benefit Plans; Existing
                Agreements . . . . . . . . . . . . . . .         45 
 SECTION 5.09.  Indemnification, Exculpation and                  
                Insurance  . . . . . . . . . . . . . . .         46 
 SECTION 5.10.  Fees and Expenses . . . . . . . . . . . .        48 
 SECTION 5.11.  Public Announcements  . . . . . . . . . .        49 
 SECTION 5.12.  Affiliates  . . . . . . . . . . . . . . .        50 
 SECTION 5.13.  NYSE Listing  . . . . . . . . . . . . . .        50 
 SECTION 5.14.  Stockholder Litigation  . . . . . . . . .        50 
 SECTION 5.15.  Tax Treatment . . . . . . . . . . . . . .        50 
 SECTION 5.16.  Pooling of Interests  . . . . . . . . . .        51 

                                  ARTICLE VI
  
                              Conditions Precedent
  
 SECTION 6.01.  Conditions to Each Party's Obligation To          
                Effect the Merger  . . . . . . . . . . .         51 
                (a) Ascend Stockholder Approval . . . . .        51 
                (b) HSR Act . . . . . . . . . . . . . . .        51 
                (c) No Litigation . . . . . . . . . . . .        51 
                (d) Form S-4  . . . . . . . . . . . . . .        51 
                (e) NYSE Listing  . . . . . . . . . . . .        52 
                (f) Pooling Letters . . . . . . . . . . .        52 

 SECTION 6.02.  Conditions to Obligations of Lucent and Sub      52 
                (a) Representations and Warranties  . . .        52 
                (b) Performance of Obligations of Ascend         52 
                (c) Tax Opinions  . . . . . . . . . . . .        52 

 SECTION 6.03.  Conditions to Obligations of Ascend . . .        53 
                (a) Representations and Warranties  . . .        53 
                (b) Performance of Obligations of Lucent          
                    and Sub . . . . . . . . . . . . . . .        53 
                (c) Tax Opinions  . . . . . . . . . . . .        53 
 SECTION 6.04.  Frustration of Closing Conditions . . . . .      53
  
                                   ARTICLE VII
  
                        Termination, Amendment and Waiver 
  
 SECTION 7.01.  Termination . . . . . . . . . . . . . . .        54 
 SECTION 7.02.  Effect of Termination . . . . . . . . . .        55 
 SECTION 7.03.  Amendment . . . . . . . . . . . . . . . .        55 
 SECTION 7.04.  Extension; Waiver . . . . . . . . . . . .        55 
 SECTION 7.05.  Procedure for Termination, Amendment,             
                Extension or Waiver  . . . . . . . . . . .       56
  
                                 ARTICLE VIII
  
                               General Provisions
  
 SECTION 8.01.  Nonsurvival of Representations and                
                Warranties . . . . . . . . . . . . . . . .       56
 SECTION 8.02.  Notices . . . . . . . . . . . . . . . . . .      56
 SECTION 8.03.  Definitions . . . . . . . . . . . . . . . .      57
 SECTION 8.04.  Interpretation  . . . . . . . . . . . . . .      59
 SECTION 8.05.  Counterparts  . . . . . . . . . . . . . . .      59
 SECTION 8.06.  Entire Agreement; No Third-Party 
                Beneficiaries  . . . . . . . . . . . . . .       59
 SECTION 8.07.  Governing Law . . . . . . . . . . . . . . .      60
 SECTION 8.08.  Assignment  . . . . . . . . . . . . . . . .      60
 SECTION 8.09.  Enforcement . . . . . . . . . . . . . . . .      60
 SECTION 8.10.  Headings  . . . . . . . . . . . . . . . . .      60
 SECTION 8.11.  Severability  . . . . . . . . . . . . . . .      61
  
  
 Annex I        Index of Defined Terms 
                 
 Exhibit A      Certificate of Incorporation of Surviving
                Corporation 
 Exhibit B      Form of Affiliate Letter 
  
                                                                           
  
                                                             CONFORMED COPY 
   
                     AGREEMENT AND PLAN OF MERGER (this "Agreement") dated
                as of January 12, 1999, among LUCENT TECHNOLOGIES INC., a
                Delaware corporation ("Lucent"), DASHER MERGER INC., a
                Delaware corporation and a wholly owned subsidiary of
                Lucent ("Sub"), and ASCEND COMMUNICATIONS, INC., a Delaware
                corporation ("Ascend"). 
  
  
           WHEREAS the respective Boards of Directors of Lucent, Sub and
 Ascend have approved and declared advisable this Agreement and the merger
 of Sub with and into Ascend (the "Merger"), upon the terms and subject to
 the conditions set forth in this Agreement, whereby each issued and
 outstanding share of common stock, par value $.001 per share, of Ascend
 ("Ascend Common Stock"), other than shares owned by Lucent, Sub or Ascend,
 will be converted into the right to receive the Merger Consideration (as
 defined in Section 2.01(c)); 
  
           WHEREAS the respective Boards of Directors of Lucent, Sub and
 Ascend have each determined that the Merger and the other transactions
 contemplated hereby are consistent with, and in furtherance of, their
 respective business strategies and goals; 
  
           WHEREAS Lucent, Sub and Ascend desire to make certain
 representations, warranties, covenants and agreements in connection with
 the Merger and also to prescribe various conditions to the Merger; 
  
           WHEREAS, for U.S. federal income tax purposes, it is intended
 that the Merger will qualify as a reorganization under the provisions of
 Section 368(a) of the Internal Revenue Code of 1986, as amended (the
 "Code") and that this Agreement constitutes a plan of reorganization; 
  
           WHEREAS, for financial accounting purposes, it is intended that
 the Merger will be accounted for as a pooling of interests transaction;
 and 
  
           WHEREAS, immediately following the execution and delivery of
 this Agreement, Ascend and Lucent will enter into a stock option agreement
 (the "Option Agreement"), pursuant to which Ascend will grant Lucent the
 option to purchase shares of Ascend Common Stock, upon the terms and
 subject to the conditions set forth therein. 
 
          NOW, THEREFORE, in consideration of the representations,
 warranties, covenants and agreements contained in this Agreement, the
 parties agree as follows: 
  
  
                                 ARTICLE I 
  
                                The Merger 
  
           SECTION 1.01.  The Merger.  Upon the terms and subject to the
 conditions set forth in this Agreement, and in accordance with the
 Delaware General Corporation Law (the "DGCL"), Sub shall be merged with
 and into Ascend at the Effective Time (as defined in Section 1.03). 
 Following the Effective Time, Ascend shall be the surviving corporation
 (the "Surviving Corporation") and shall succeed to and assume all the
 rights and obligations of Sub in accordance with the DGCL. 
  
           SECTION 1.02.  Closing.  The closing of the Merger (the
 "Closing") will take place at 10:00 a.m. on a date to be specified by the
 parties (the "Closing Date"), which shall be no later than the second
 business day after satisfaction or waiver of the conditions set forth in
 Article VI (other than those conditions that by their nature are to be
 satisfied at the Closing, but subject to the satisfaction or waiver of
 those conditions), unless another time or date is agreed to by the parties
 hereto.  The Closing will be held at such location in the City of New York
 as is agreed to by the parties hereto. 
  
           SECTION 1.03.  Effective Time.  Subject to the provisions of
 this Agreement, as soon as practicable on or after the Closing Date, the
 parties shall file a certificate of merger or other appropriate documents
 (in any such case, the "Certificate of Merger") executed in accordance
 with the relevant provisions of the DGCL and shall make all other filings
 or recordings required under the DGCL.  The Merger shall become effective
 at such time as the Certificate of Merger is duly filed with the Delaware
 Secretary of State, or at such subsequent date or time as Lucent and
 Ascend shall agree and specify in the Certificate of Merger (the time the
 Merger becomes effective being hereinafter referred to as the "Effective
 Time"). 
  
           SECTION 1.04.  Effects of the Merger.  The Merger shall have the
 effects set forth in Section 259 of the DGCL. 
  
           SECTION 1.05.  Certificate of Incorporation and By-laws. 
 (a)  The certificate of incorporation of Ascend, as in effect immediately
 prior to the Effective Time, shall be amended as set forth in Exhibit A
 hereto, and, as so amended, shall be the certificate of incorporation of
 the Surviving Corporation until thereafter changed or amended as provided
 therein or by applicable law. 
  
           (b)  The by-laws of Sub, as in effect immediately prior to the
 Effective Time, shall be the by-laws of the Surviving Corporation until
 thereafter changed or amended as provided therein or by applicable law. 
  
           SECTION 1.06.  Board of Directors and Officers.  (a)  The
 directors of Sub immediately prior to the Effective Time shall be
 directors of the Surviving Corporation, until the earlier of their
 resignation or removal or until their respective successors are duly
 elected and qualified, as the case may be. 
  
           (b)  The officers of Sub immediately prior to the Effective Time
 shall be the officers of the Surviving Corporation, until the earlier of
 their resignation or removal or their respective successors are duly
 elected and qualified, as the case may be. 
  
  
                                ARTICLE II 
  
             Effect of the Merger on the Capital Stock of the 
            Constituent Corporations; Exchange of Certificates 
  
           SECTION 2.01.  Effect on Capital Stock.  As of the Effective
 Time, by virtue of the Merger and without any action on the part of the
 holder of any shares of Ascend Common Stock or any shares of capital stock
 of Sub: 
  
           (a)  Capital Stock of Sub.  Each issued and outstanding share of
      capital stock of Sub shall be converted into one share of common
      stock of the Surviving Corporation. 
  
           (b)  Cancelation of Treasury Stock and Lucent-Owned Stock.  Each
      share of Ascend Common Stock that is owned by Ascend, Sub or Lucent
      shall automatically be canceled and retired and shall cease to exist,
      and no consideration shall be delivered in exchange therefor. 
  
           (c)  Conversion of Ascend Common Stock.  Subject to
      Section 2.02(e), each issued and outstanding share of Ascend Common
      Stock (other than shares to be canceled in accordance with
      Section 2.01(b)) shall be converted into the right to receive 0.825
      (the "Exchange Ratio") fully paid and nonassessable shares of common
      stock, par value $.01 per share, of Lucent ("Lucent Common Stock")
      (the "Merger Consideration").  As of the Effective Time, all such
      shares of Ascend Common Stock shall no longer be outstanding and
      shall automatically be canceled and retired and shall cease to exist,
      and each holder of a certificate representing any such shares of
      Ascend Common Stock shall cease to have any rights with respect
      thereto, except the right to receive the Merger Consideration and any
      cash in lieu of fractional shares of Lucent Common Stock to be issued
      or paid in consideration therefor upon surrender of such certificate
      in accordance with Section 2.02, without interest. 
  
           (d)  Anti-Dilution Provisions.  In the event Lucent changes (or
      establishes a record date for changing) the number of shares of
      Lucent Common Stock issued and outstanding prior to the Effective
      Date as a result of a stock split, stock dividend, recapitalization,
      subdivision, reclassification, combination, exchange of shares or
      similar transaction with respect to the outstanding Lucent Common
      Stock and the record date therefor shall be prior to the Effective
      Date, the Exchange Ratio shall be proportionately adjusted to reflect
      such stock split, stock dividend, recapitalization, subdivision,
      reclassification, combination, exchange of shares of similar
      transaction. 
  
           SECTION 2.02.  Exchange of Certificates.  (a)  Exchange Agent. 
 As of the Effective Time, Lucent shall enter into an agreement with such
 bank or trust company as may be designated by Lucent (the "Exchange
 Agent"), which shall provide that Lucent shall deposit with the Exchange
 Agent as of the Effective Time, for the benefit of the holders of shares
 of Ascend Common Stock, for exchange in accordance with this Article II,
 through the Exchange Agent, certificates representing the shares of Lucent
 Common Stock (such shares of Lucent Common Stock, together with any
 dividends or distributions with respect thereto with a record date after
 the Effective Time, any Excess Shares (as defined in Section 2.02(e)) and
 any cash (including cash proceeds from the sale of the Excess Shares)
 payable in lieu of any fractional shares of Lucent Common Stock being
 hereinafter referred to as the "Exchange Fund") issuable pursuant to
 Section 2.01 in exchange for outstanding shares of Ascend Common Stock. 
  
           (b)  Exchange Procedures.  As soon as reasonably practicable
 after the Effective Time, the Exchange Agent shall mail to each holder of
 record of a certificate or certificates which immediately prior to the
 Effective Time represented outstanding shares of Ascend Common Stock (the
 "Certificates") whose shares were converted into the right to receive the
 Merger Consideration pursuant to Section 2.01, (i) a letter of transmittal
 (which shall specify that delivery shall be effected, and risk of loss and
 title to the Certificates shall pass, only upon delivery of the
 Certificates to the Exchange Agent and shall be in such form and have such
 other provisions as Lucent and Ascend may reasonably specify) and
 (ii) instructions for use in surrendering the Certificates in exchange for
 the Merger Consideration.  Upon surrender of a Certificate for cancelation
 to the Exchange Agent, together with such letter of transmittal, duly
 executed, and such other documents as may reasonably be required by the
 Exchange Agent, the holder of such Certificate shall receive in exchange
 therefor a certificate representing that number of whole shares of Lucent
 Common Stock which such holder has the right to receive pursuant to the
 provisions of this Article II, certain dividends or other distributions in
 accordance with Section 2.02(c) and cash in lieu of any fractional share
 of Lucent Common Stock in accordance with Section 2.02(e), and the
 Certificate so surrendered shall forthwith be canceled.  In the event of a
 transfer of ownership of Ascend Common Stock which is not registered in
 the transfer records of Ascend, a certificate representing the proper
 number of shares of Lucent Common Stock may be issued to a person (as
 defined in Section 8.03) other than the person in whose name the
 Certificate so surrendered is registered if such Certificate shall be
 properly endorsed or otherwise be in proper form for transfer and the
 person requesting such issuance shall pay any transfer or other taxes
 required by reason of the issuance of shares of Lucent Common Stock to a
 person other than the registered holder of such Certificate or establish
 to the satisfaction of Lucent that such tax has been paid or is not
 applicable.  Until surrendered as contemplated by this Section 2.02(b),
 each Certificate shall be deemed at any time after the Effective Time to
 represent only the right to receive upon such surrender the Merger
 Consideration and any cash in lieu of fractional shares of Lucent Common
 Stock to be issued or paid in consideration therefor upon surrender of
 such certificate in accordance with this Section 2.02.  No interest shall
 be paid or will accrue on any cash payable to holders of Certificates
 pursuant to the provisions of this Article II. 
  
           (c)  Distributions with Respect to Unexchanged Shares.  No
 dividends or other distributions with respect to Lucent Common Stock with
 a record date after the Effective Time shall be paid to the holder of any
 unsurrendered Certificate with respect to the shares of Lucent Common
 Stock represented thereby, and no cash payment in lieu of fractional
 shares shall be paid to any such holder pursuant to Section 2.02(e), and
 all such dividends, other distributions and cash in lieu of fractional
 shares of Lucent Common Stock shall be paid by Lucent to the Exchange
 Agent and shall be included in the Exchange Fund, in each case until the
 surrender of such Certificate in accordance with this Article II.  Subject
 to the effect of applicable escheat or similar laws, following surrender
 of any such Certificate there shall be paid to the holder of the
 certificate representing whole shares of Lucent Common Stock issued in
 exchange therefor, without interest, (i) at the time of such surrender,
 the amount of dividends or other distributions with a record date after
 the Effective Time theretofore paid with respect to such whole shares of
 Lucent Common Stock, and the amount of any cash payable in lieu of a
 fractional share of Lucent Common Stock to which such holder is entitled
 pursuant to Section 2.02(e) and (ii) at the appropriate payment date, the
 amount of dividends or other distributions with a record date after the
 Effective Time but prior to such surrender and with a payment date
 subsequent to such surrender payable with respect to such whole shares of
 Lucent Common Stock. 
  
           (d)  No Further Ownership Rights in Ascend Common Stock.  All
 shares of Lucent Common Stock issued upon the surrender for exchange of
 Certificates in accordance with the terms of this Article II (including
 any cash paid pursuant to this Article II) shall be deemed to have been
 issued (and paid) in full satisfaction of all rights pertaining to the
 shares of Ascend Common Stock theretofore represented by such
 Certificates, subject, however, to the Surviving Corporation's obligation
 to pay any dividends or make any other distributions with a record date
 prior to the Effective Time which may have been declared or made by Ascend
 on such shares of Ascend Common Stock which remain unpaid at the Effective
 Time, and there shall be no further registration of transfers on the stock
 transfer books of the Surviving Corporation of the shares of Ascend Common
 Stock which were outstanding immediately prior to the Effective Time.  If,
 after the Effective Time, Certificates are presented to the Surviving
 Corporation or the Exchange Agent for any reason, they shall be canceled
 and exchanged as provided in this Article II, except as otherwise provided
 by law. 
  
           (e)  No Fractional Shares.  (i)  No certificates or scrip
 representing fractional shares of Lucent Common Stock shall be issued upon
 the surrender for exchange of Certificates, no dividend or distribution of
 Lucent shall relate to such fractional share interests and such fractional
 share interests will not entitle the owner thereof to vote or to any
 rights of a stockholder of Lucent. 
  
          (ii)  As promptly as practicable following the Effective Time,
 the Exchange Agent shall determine the excess of (A) the number of whole
 shares of Lucent Common Stock delivered to the Exchange Agent by Lucent
 pursuant to Section 2.02(a) over (B) the aggregate number of whole shares
 of Lucent Common Stock to be distributed to former holders of Ascend
 Common Stock pursuant to Section 2.02(b) (such excess being herein called
 the "Excess Shares").  Following the Effective Time, the Exchange Agent
 shall, on behalf of former stockholders of Ascend, sell the Excess Shares
 at then-prevailing prices on the New York Stock Exchange, Inc. (the
 "NYSE"), all in the manner provided in Section 2.02(e)(iii). 
  
         (iii)  The sale of the Excess Shares by the Exchange Agent shall
 be executed on the NYSE through one or more member firms of the NYSE and
 shall be executed in round lots to the extent practicable.  The Exchange
 Agent shall use reasonable efforts to complete the sale of the Excess
 Shares as promptly following the Effective Time as, in the Exchange
 Agent's sole judgment, is practicable consistent with obtaining the best
 execution of such sales in light of prevailing market conditions.  Until
 the net proceeds of such sale or sales have been distributed to the
 holders of Certificates formerly representing Ascend Common Stock, the
 Exchange Agent shall hold such proceeds in trust for such holders (the
 "Common Shares Trust").  Ascend shall pay all commissions, transfer taxes
 and other out-of-pocket transaction costs, including the expenses and
 compensation of the Exchange Agent, incurred in connection with such sale
 of the Excess Shares.  The Exchange Agent shall determine the portion of
 the Common Shares Trust to which each former holder of Ascend Common Stock
 is entitled, if any, by multiplying the amount of the aggregate net
 proceeds comprising the Common Shares Trust by a fraction, the numerator
 of which is the amount of the fractional share interest to which such
 former holder of Ascend Common Stock is entitled (after taking into
 account all shares of Ascend Common Stock held at the Effective Time by
 such holder) and the denominator of which is the aggregate amount of
 fractional share interests to which all former holders of Ascend Common
 Stock are entitled. 
  
          (iv)  Notwithstanding the provisions of Section 2.02(e)(ii) and
 (iii), Lucent may elect at its option, exercised prior to the Effective
 Time, in lieu of the issuance and sale of Excess Shares and the making of
 the payments hereinabove contemplated, to pay each former holder of Ascend
 Common Stock an amount in cash equal to the product obtained by
 multiplying (A) the fractional share interest to which such former holder
 (after taking into account all shares of Ascend Common Stock held at the
 Effective Time by such holder) would otherwise be entitled by (B) the
 closing price for a share of Lucent Common Stock as reported on the NYSE
 Composite Transaction Tape (as reported in The Wall Street Journal, or, if
 not reported thereby, any other authoritative source) on the Closing Date,
 and, in such case, all references herein to the cash proceeds of the sale
 of the Excess Shares and similar references shall be deemed to mean and
 refer to the payments calculated as set forth in this Section 2.02(e)(iv). 
  
           (v)  As soon as practicable after the determination of the
 amount of cash, if any, to be paid to holders of Certificates formerly
 representing Ascend Common Stock with respect to any fractional share
 interests, the Exchange Agent shall make available such amounts to such
 holders of Certificates formerly representing Ascend Common Stock subject
 to and in accordance with the terms of 
 Section 2.02(c). 
  
           (f)  Termination of Exchange Fund.  Any portion of the Exchange
 Fund which remains undistributed to the holders of the Certificates for
 twelve months after the Effective Time shall be delivered to Lucent, upon
 demand, and any holders of the Certificates who have not theretofore
 complied with this Article II shall thereafter look only to Lucent for
 payment of their claim for Merger Consideration, any dividends or
 distributions with respect to Lucent Common Stock and any cash in lieu of
 fractional shares of Lucent Common Stock. 
  
           (g)  No Liability.  None of Lucent, Sub, Ascend or the Exchange
 Agent shall be liable to any person in respect of any shares of Lucent
 Common Stock, any dividends or distributions with respect thereto, any
 cash in lieu of fractional shares of Lucent Common Stock or any cash from
 the Exchange Fund, in each case delivered to a public official pursuant to
 any applicable abandoned property, escheat or similar law.  
  
           (h)  Investment of Exchange Fund.  The Exchange Agent shall
 invest any cash included in the Exchange Fund, as directed by Lucent, on a
 daily basis.  Any interest and other income resulting from such
 investments shall be paid to Lucent. 
  
           (i)  Lost Certificates.  If any Certificate shall have been
 lost, stolen or destroyed, upon the making of an affidavit of that fact by
 the person claiming such Certificate to be lost, stolen or destroyed and,
 if required by Lucent, the posting by such person of a bond in such
 reasonable amount as Lucent may direct as indemnity against any claim that
 may be made against it with respect to such Certificate, the Exchange
 Agent shall issue in exchange for such lost, stolen or destroyed
 Certificate the Merger Consideration and, if applicable, any unpaid
 dividends and distributions on shares of Lucent Common Stock deliverable
 in respect thereof and any cash in lieu of fractional shares, in each case
 pursuant to this Agreement. 
  
  
                                ARTICLE III 
  
                      Representations and Warranties 
  
           SECTION 3.01.  Representations and Warranties of Ascend.  Except
 as disclosed in the Ascend Filed SEC Documents (as defined in
 Section 3.01(g)) or as set forth on the Disclosure Schedule delivered by
 Ascend to Lucent prior to the execution of this Agreement (the "Ascend
 Disclosure Schedule") and making reference to the particular subsection of
 this Agreement to which exception is being taken, Ascend represents and
 warrants to Lucent and Sub as follows: 
  
           (a)  Organization, Standing and Corporate Power.  Each of Ascend
      and its subsidiaries (as defined in Section 8.03) is a corporation or
      other legal entity duly organized, validly existing and in good
      standing (with respect to jurisdictions which recognize such concept)
      under the laws of the jurisdiction in which it is organized and has
      the requisite corporate or other power, as the case may be, and
      authority to carry on its business as now being conducted, except for
      those jurisdictions where the failure to be so organized, existing or
      in good standing individually or in the aggregate is not reasonably
      likely to have a material adverse effect (as defined in Section 8.03)
      on Ascend.  Each of Ascend and its subsidiaries is duly qualified or
      licensed to do business and is in good standing (with respect to
      jurisdictions which recognize such concept) in each jurisdiction in
      which the nature of its business or the ownership, leasing or
      operation of its properties makes such qualification or licensing
      necessary, except for those jurisdictions where the failure to be so
      qualified or licensed or to be in good standing individually or in
      the aggregate is not reasonably likely to have a material adverse
      effect on Ascend.  Ascend has made available to Lucent prior to the
      execution of this Agreement complete and correct copies of its
      certificate of incorporation and by-laws, as amended to date.  
  
           (b)  Subsidiaries.  Exhibit 21 to Ascend's Annual Report on
      Form 10-K for the fiscal year ended December 31, 1997 includes all
      the subsidiaries of Ascend which as of the date of this Agreement are
      Significant Subsidiaries (as defined in Rule 1-02 of Regulation S-X
      of the Securities and Exchange Commission (the "SEC")).  All the
      outstanding shares of capital stock of, or other equity interests in,
      each such Significant Subsidiary have been validly issued and are
      fully paid and nonassessable and are owned directly or indirectly by
      Ascend, free and clear of all pledges, claims, liens, charges,
      encumbrances and security interests of any kind or nature whatsoever
      (collectively, "Liens") and free of any restriction on the right to
      vote, sell or otherwise dispose of such capital stock or other
      ownership interests except restrictions under applicable law.  
  
           (c)  Capital Structure.  The authorized capital stock of Ascend
      consists of 400,000,000 shares of Ascend Common Stock and
      2,000,000 shares of preferred stock, par value $.001 per share, of
      Ascend ("Ascend Authorized Preferred Stock").  At the close of
      business on January 4, 1999, (i) 220,265,072 shares of Ascend Common
      Stock were issued and outstanding; (ii) 800 shares of Ascend Common
      Stock were held by Ascend in its treasury; (iii) no shares of Ascend
      Authorized Preferred Stock were issued and outstanding; and
      (iv) 73,872,241 shares of Ascend Common Stock were reserved for
      issuance pursuant to the Ascend Communications, Inc. 1998 Stock
      Incentive Plan, the Ascend Communications, Inc. 1996 Restricted Stock
      Plan, the Ascend Communications, Inc. 1994 Outside Directors Stock
      Option Plan, the Ascend Communications, Inc. 1994 Stock Purchase
      Plan, the Ascend Communications, Inc. Amended and Restated 1989 Stock
      Option Plan, the Cascade Communications Corp. Amended and Restated
      1991 Stock Plan, the Cascade Communications Corp. 1994 Non-Employee
      Director Stock Option Plan, the Stratus Computer, Inc. Amended and
      Restated Employee Stock Purchase Plan, the Stratus Computer, Inc.
      Amended and Restated 1983 Stock Option Plan, the Stratus Computer,
      Inc. Restricted Non-Qualified Stock Option Plan, the Stratus
      Computer, Inc. Stock Option Plan (January 1993), the Stratus
      Computer, Inc. 1997 Non-Qualified Stock Option Plan, the Stoneybrook,
      Inc. 1992 Stock Incentive Plan, the Whitetree, Inc. 1993 Incentive
      Plan, the NetStar, Inc. Stock Option Incentive Plan (1992), the
      Morning Star Technologies, Inc. Plan, the Concert Communications
      Corporation 1995 Stock Option Plan and the Sahara Networks, Inc. 1995
      Stock Plan (such plans, collectively, the "Ascend Stock Plans") (of
      which 39,171,557 are subject to outstanding Ascend Stock Options (as
      defined below)).  Except as set forth above, at the close of business
      on January 4, 1999, no shares of capital stock or other voting
      securities of Ascend were issued, reserved for issuance or
      outstanding.  There are no outstanding stock appreciation rights
      ("SARs") or rights (other than the Ascend Stock Options) to receive
      shares of Ascend Common Stock on a deferred basis granted under the
      Ascend Stock Plans or otherwise.  Ascend has delivered to Lucent a
      complete and correct list, as of January 4, 1999, of the number of
      shares of Ascend Common Stock subject to outstanding stock options or
      other rights to purchase or receive Ascend Common Stock granted under
      the Ascend Stock Plans (collectively, "Ascend Stock Options") and the
      exercise prices thereof.  As of the date of this Agreement, no bonds,
      debentures, notes or other indebtedness of Ascend having the right to
      vote (or convertible into, or exchangeable for, securities having the
      right to vote) on any matters on which stockholders of Ascend
      may vote are issued or outstanding.  All outstanding shares of
      capital stock of Ascend are, and all shares which may be issued will
      be, when issued, duly authorized, validly issued, fully paid and
      nonassessable and not subject to preemptive rights.  Except as set
      forth in this Section 3.01(c) and except for changes since January 4,
      1999 resulting from the issuance of shares of Ascend Common Stock
      pursuant to the Ascend Stock Options outstanding as of January 4,
      1999, and pursuant to the Ascend Stock Options issued after the date
      hereof as expressly permitted by the terms of this Agreement,
      (x) there are not issued, reserved for issuance or outstanding
      (A) any shares of capital stock or other voting securities of Ascend,
      (B) any securities of Ascend convertible into or exchangeable or
      exercisable for shares of capital stock or voting securities of
      Ascend, (C) any warrants, calls, options or other rights to acquire
      from Ascend or any Ascend subsidiary, and no obligation of Ascend or
      any Ascend subsidiary to issue, any capital stock, voting securities
      or securities convertible into or exchangeable or exercisable for
      capital stock or voting securities of Ascend and (y) as of the close
      of business on January 4, 1999, there are not any outstanding
      obligations of Ascend or any Ascend subsidiary to repurchase, redeem
      or otherwise acquire any such securities or to issue, deliver or
      sell, or cause to be issued, delivered or sold, any such securities. 
      Ascend is not a party to any voting agreement with respect to the
      voting of any such securities.  There are no outstanding
      (A) securities of Ascend or any Ascend subsidiary convertible into or
      exchangeable or exercisable for shares of capital stock or other
      voting securities or ownership interests in any Ascend subsidiary,
      (B) warrants, calls, options or other rights to acquire from Ascend
      or any Ascend subsidiary, and no obligation of Ascend or any Ascend
      subsidiary to issue, any capital stock, voting securities or other
      ownership interests in, or any securities convertible into or
      exchangeable or exercisable for any capital stock, voting securities
      or ownership interests in, any Ascend subsidiary or (C) obligations
      of Ascend or any Ascend subsidiary to repurchase, redeem or otherwise
      acquire any such outstanding securities of Ascend subsidiaries or to
      issue, deliver or sell, or cause to be issued, delivered or sold, any
      such securities.  Other than the Ascend subsidiaries, Ascend does not
      directly or indirectly beneficially own any securities or other
      beneficial ownership interests in any other entity. 
  
           (d)  Authority; Noncontravention.  Ascend has all requisite
      corporate power and authority to enter into this Agreement and,
      subject to the Ascend Stockholder Approval (as defined in
      Section 3.01(m)), to consummate the transactions contemplated by this
      Agreement.  Ascend has all requisite corporate power and authority to
      enter into the Option Agreement and to consummate the transactions
      contemplated thereby.  The execution and delivery of this Agreement
      and the Option Agreement by Ascend and the consummation by Ascend of
      the transactions contemplated by this Agreement and the Option
      Agreement have been duly authorized by all necessary corporate action
      on the part of Ascend, subject, in the case of the Merger, to the
      Ascend Stockholder Approval.  This Agreement and the Option Agreement
      have been duly executed and delivered by Ascend and, assuming the due
      authorization, execution and delivery by each of the other parties
      thereto, constitute legal, valid and binding obligations of Ascend,
      enforceable against Ascend in accordance with their terms.  The
      execution and delivery of this Agreement and the Option Agreement do
      not, and the consummation of the transactions contemplated by this
      Agreement and the Option Agreement and compliance with the provisions
      of this Agreement and the Option Agreement will not, conflict with,
      or result in any violation of, or default (with or without notice or
      lapse of time, or both) under, or give rise to a right of
      termination, cancelation or acceleration of any obligation or loss of
      a benefit under, or result in the creation of any Lien upon any of
      the properties or assets of Ascend or any of its subsidiaries under,
      (i) the certificate of incorporation or by-laws of Ascend or the
      comparable organizational documents of any of its subsidiaries,
      (ii) any loan or credit agreement, note, bond, mortgage, indenture,
      lease or other agreement, instrument, permit, concession, franchise,
      license or similar authorization applicable to Ascend or any of its
      subsidiaries or their respective properties or assets or
      (iii) subject to the governmental filings and other matters referred
      to in the following sentence, any judgment, order, decree, statute,
      law, ordinance, rule or regulation applicable to Ascend or any of its
      subsidiaries or their respective properties or assets, other than, in
      the case of clauses (ii) and (iii), any such conflicts, violations,
      defaults, rights, losses or Liens that individually or in the
      aggregate are not (x) reasonably likely to have a material adverse
      effect on Ascend or (y) reasonably likely to impair the ability of
      Ascend to perform its obligations under this Agreement or the Option
      Agreement.  No consent, approval, order or authorization of, action
      by or in respect of, or registration, declaration or filing with, any
      federal, state, local or foreign government, any court,
      administrative, regulatory or other governmental agency, commission
      or authority or any non-governmental self-regulatory agency,
      commission or authority (each a "Governmental Entity") is required by
      or with respect to Ascend or any of its subsidiaries in connection
      with the execution and delivery of this Agreement or the Option
      Agreement by Ascend or the consummation by Ascend of the transactions
      contemplated by this Agreement or the Option Agreement, except for
      (1) the filing of a premerger notification and report form by Ascend
      under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as
      amended (the "HSR Act") and any applicable filings and approvals
      under similar foreign antitrust laws and regulations; (2) the filing
      with the SEC of (A) a proxy statement relating to the Ascend
      Stockholders Meeting (as defined in Section 5.01(b)) (such proxy
      statement, as amended or supplemented from time to time, the "Ascend
      Proxy Statement"), and (B) such reports under Section 13(a), 13(d),
      15(d) or 16(a) of the Securities Exchange Act of 1934, as amended
      (the "Exchange Act"), as may be required in connection with this
      Agreement, the Option Agreement and the transactions contemplated by
      this Agreement and the Option Agreement; (3) the filing of the
      Certificate of Merger with the Delaware Secretary of State and
      appropriate documents with the relevant authorities of other states
      in which Ascend is qualified to do business and such filings with
      Governmental Entities to satisfy the applicable requirements of state
      securities or "blue sky" laws; (4) such filings with and approvals of
      The Nasdaq National Market ("Nasdaq") to permit the shares of Ascend
      Common Stock that are to be issued pursuant to the Option Agreement
      to be listed on Nasdaq; and (5) such consents, approvals, orders or
      authorizations the failure of which to be made or obtained
      individually or in the aggregate is not reasonably likely to have a
      material adverse effect on Ascend. 
  
           (e)  SEC Documents; Undisclosed Liabilities.  Ascend has filed
      all required reports, schedules, forms, statements and other
      documents (including exhibits and all other information incorporated
      therein) with the SEC since January 1, 1997 (the "Ascend SEC
      Documents").  As of their respective dates, the Ascend SEC Documents
      complied in all material respects with the requirements of the
      Securities Act of 1933, as amended (the "Securities Act"), or the
      Exchange Act, as the case may be, and the rules and regulations of
      the SEC promulgated thereunder applicable to such Ascend SEC
      Documents, and none of the Ascend SEC Documents when filed contained
      any untrue statement of a material fact or omitted to state a
      material fact required to be stated therein or necessary in order to
      make the statements therein, in light of the circumstances under
      which they were made, not misleading.  Except to the extent that
      information contained in any Ascend SEC Document has been revised or
      superseded by a later filed Ascend SEC Document, none of the Ascend
      SEC Documents contains any untrue statement of a material fact or
      omits to state any material fact required to be stated therein or
      necessary in order to make the statements therein, in light of the
      circumstances under which they were made, not misleading.  The
      financial statements of Ascend included in the Ascend SEC Documents
      comply as to form, as of their respective dates of filing with the
      SEC, in all material respects with applicable accounting requirements
      and the published rules and regulations of the SEC with respect
      thereto, have been prepared in accordance with generally accepted
      accounting principles (except, in the case of unaudited statements,
      as permitted by Form 10-Q of the SEC) applied on a consistent basis
      during the periods involved (except as may be indicated in the notes
      thereto) and fairly present in all material respects the consolidated
      financial position of Ascend and its consolidated subsidiaries as of
      the dates thereof and the consolidated results of their operations
      and cash flows for the periods then ended (subject, in the case of
      unaudited statements, to normal recurring year-end audit
      adjustments).  Except (i) as reflected in such financial statements
      or in the notes thereto or (ii) for liabilities incurred in
      connection with this Agreement or the Option Agreement or the
      transactions contemplated hereby or thereby, neither Ascend nor any
      of its subsidiaries has any liabilities or obligations of any nature
      which, individually or in the aggregate, are reasonably likely to
      have a material adverse effect on Ascend. 
  
           (f)  Information Supplied.  None of the information supplied or
      to be supplied by Ascend specifically for inclusion or incorporation
      by reference in (i) the registration statement on Form S-4 to be
      filed with the SEC by Lucent in connection with the issuance of
      Lucent Common Stock in the Merger (the "Form S-4") will, at the time
      the Form S-4 becomes effective under the Securities Act, contain any
      untrue statement of a material fact or omit to state any material
      fact required to be stated therein or necessary to make the
      statements therein not misleading or (ii) the Ascend Proxy Statement
      will, at the date it is first mailed to Ascend's stockholders or at
      the time of the Ascend Stockholders Meeting, contain any untrue
      statement of a material fact or omit to state any material fact
      required to be stated therein or necessary in order to make the
      statements therein, in light of the circumstances under which they
      are made, not misleading.  The Ascend Proxy Statement will comply as
      to form in all material respects with the requirements of the
      Exchange Act and the rules and regulations thereunder, except that no
      representation or warranty is made by Ascend with respect to
      statements made or incorporated by reference therein based on
      information supplied by Lucent specifically for inclusion or
      incorporation by reference in the Ascend Proxy Statement. 
  
           (g)  Absence of Certain Changes or Events.  Except for
      liabilities incurred in connection with this Agreement or the Option
      Agreement or the transactions contemplated hereby or thereby and
      except as disclosed in the Ascend SEC Documents filed and publicly
      available prior to the date of this Agreement (as amended to the date
      of this Agreement, the "Ascend Filed SEC Documents"), since
      September 30, 1998, Ascend and its subsidiaries have conducted their
      business only in the ordinary course, and there has not been (1) any
      material adverse change (as defined in Section 8.03) in Ascend,
      (2) any declaration, setting aside or payment of any dividend or
      other distribution (whether in cash, stock or property) with respect
      to any of Ascend's capital stock, (3) any split, combination or
      reclassification of any of Ascend's capital stock or any issuance or
      the authorization of any issuance of any other securities in respect
      of, in lieu of or in substitution for shares of Ascend's capital
      stock, except for issuances of Ascend Common Stock upon the exercise
      of Ascend Stock Options under the Ascend Stock Plans, in each case
      awarded prior to the date hereof in accordance with their present
      terms, (4) (A) any granting by Ascend or any of its subsidiaries to
      any current or former director, executive officer or other key
      employee of Ascend or its subsidiaries of any increase in
      compensation, bonus or other benefits, except for normal increases in
      cash compensation in the ordinary course of business consistent with
      past practice or as was required under any employment agreements in
      effect as of the date of the most recent audited financial statements
      included in the Ascend Filed SEC Documents, (B) any granting by
      Ascend or any of its subsidiaries to any such current or former
      director, executive officer or key employee of any increase in
      severance or termination pay, except in the ordinary course of
      business consistent with past practice, (C) any entry by Ascend or
      any of its subsidiaries into, or any amendments of, any employment,
      deferred compensation, consulting, severance, termination or
      indemnification agreement with any such current or former director,
      executive officer or key employee, or (D) any amendment to, or
      modification of, any Ascend Stock Option, (5) except insofar as may
      have been required by a change in generally accepted accounting
      principles, any change in accounting methods, principles or practices
      by Ascend materially affecting its assets, liabilities or business or
      (6) any tax election that individually or in the aggregate is
      reasonably likely to have a material adverse effect on Ascend or any
      of its tax attributes or any settlement or compromise of any material
      income tax liability. 
  
           (h)  Litigation.  There is no suit, action or proceeding pending
      or, to the knowledge of Ascend, threatened against or affecting
      Ascend or any of its subsidiaries that, individually or in the
      aggregate, is reasonably likely to have a material adverse effect on
      Ascend nor is there any judgment, decree, injunction, rule or order
      of any Governmental Entity or arbitrator outstanding against Ascend
      or any of its subsidiaries having, or which is reasonably likely to
      have, individually or in the aggregate, a material adverse effect on
      Ascend; provided that for purposes of this paragraph (h) any such
      suit, action, proceeding, judgment, decree, injunction, rule or order
      arising after the date hereof shall not be deemed to have a material
      adverse effect on Ascend if and to the extent such suit, action,
      proceeding, judgment, decree, injunction, rule or order (or any
      relevant part thereof) is based on this Agreement, the Option
      Agreement or the transactions contemplated hereby or thereby. 
  
           (i)  Compliance with Applicable Laws.  Ascend, its subsidiaries
      and employees hold all permits, licenses, variances, exemptions,
      orders, registrations and approvals of all Governmental Entities
      which are required for the operation of the businesses of Ascend and
      its subsidiaries (the "Ascend Permits"), except where the failure to
      have any such Ascend Permits individually or in the aggregate is not
      reasonably likely to have a material adverse effect on Ascend. 
      Ascend and its subsidiaries are in compliance with the terms of the
      Ascend Permits and all applicable statutes, laws, ordinances, rules
      and regulations, except where the failure so to comply individually
      or in the aggregate is not reasonably likely to have a material
      adverse effect on Ascend.  No action, demand, requirement or
      investigation by any Governmental Entity and no suit, action or
      proceeding by any person, in each case with respect to Ascend or any
      of its subsidiaries or any of their respective properties, is pending
      or, to the knowledge (as defined in Section 8.03) of Ascend,
      threatened, other than, in each case, those the outcome of which
      individually or in the aggregate are not (i) reasonably likely to
      have a material adverse effect on Ascend or (ii) reasonably likely to
      impair the ability of Ascend to perform its obligations under this
      Agreement or the Option Agreement or prevent or materially delay the
      consummation of any of the transactions contemplated by this
      Agreement or the Option Agreement; provided that for purposes of this
      paragraph (i) any such action, demand, requirement or investigation
      or any such suit, action or proceeding arising after the date hereof
      shall not be deemed to have a material adverse effect on Ascend if
      and to the extent such action, demand, requirement or investigation
      or such suit, action or proceeding (or any relevant part thereof) is
      based on this Agreement, the Option Agreement or the transactions
      contemplated hereby or thereby. 
  
           (j)  Absence of Changes in Benefit Plans.  Since the date of the
      most recent audited financial statements included in the Ascend Filed
      SEC Documents, there has not been any adoption or amendment in any
      material respect by Ascend or any of its subsidiaries of any
      collective bargaining agreement or any material bonus, pension,
      profit sharing, deferred compensation, incentive compensation, stock
      ownership, stock purchase, stock option, phantom stock, retirement,
      vacation, severance, disability, death benefit, hospitalization,
      medical, welfare benefit or other plan, arrangement or understanding
      providing benefits to any current or former employee, officer or
      director of Ascend or any of its wholly owned subsidiaries
      (collectively, the "Ascend Benefit Plans"), or any material change in
      any actuarial or other assumption used to calculate funding
      obligations with respect to any Ascend pension plans, or any change
      in the manner in which contributions to any Ascend pension plans are
      made or the basis on which such contributions are determined. 
  
           (k)  ERISA Compliance.  (i)  With respect to the Ascend Benefit
      Plans, no event has occurred and, to the knowledge of Ascend, there
      exists no condition or set of circumstances, in connection with which
      Ascend or any of its subsidiaries could be subject to any liability
      that individually or in the aggregate is reasonably likely to have a
      material adverse effect on Ascend under the Employee Retirement
      Income Security Act of 1974, as amended ("ERISA"), the Code or any
      other applicable law. 
  
         (ii)  Each Ascend Benefit Plan has been administered in accordance
      with its terms, except for any failures so to administer any Ascend
      Benefit Plan that individually or in the aggregate are not reasonably
      likely to have a material adverse effect on Ascend.  Ascend, its
      subsidiaries and all the Ascend Benefit Plans are in compliance with
      the applicable provisions of ERISA, the Code and all other applicable
      laws and the terms of all applicable collective bargaining
      agreements, except for any failures to be in such compliance that
      individually or in the aggregate are not reasonably likely to have a
      material adverse effect on Ascend.  Each Ascend Benefit Plan that is
      intended to be qualified under Section 401(a) or 401(k) of the Code
      has received a favorable determination letter from the IRS that it is
      so qualified and each trust established in connection with any Ascend
      Benefit Plan that is intended to be exempt from federal income
      taxation under Section 501(a) of the Code has received a
      determination letter from the IRS that such trust is so exempt.  To
      the knowledge of Ascend, no fact or event has occurred since that
      date of any determination letter from the IRS which is reasonably
      likely to affect adversely the qualified status of any such Ascend
      Benefit Plan or the exempt status of any such trust.  There are no
      pending or, to the knowledge of Ascend, threatened lawsuits, claims,
      grievances, investigations or audits of any Ascend Benefit Plan that,
      individually or in the aggregate, are reasonably likely to have a
      material adverse effect on Ascend. 
  
         (iii)  Neither Ascend nor any of its subsidiaries has incurred any
      liability under Title IV of ERISA (other than liability for premiums
      to the Pension Benefit Guaranty Corporation arising in the ordinary
      course).  No Ascend Benefit Plan has incurred an "accumulated funding
      deficiency" (within the meaning of Section 302 of ERISA or
      Section 412 of the Code) whether or not waived.  To the knowledge of
      Ascend, there are not any facts or circumstances that are reasonably
      likely to materially change the funded status of any Ascend Benefit
      Plan that is a "defined benefit" plan (as defined in Section 3(35) of
      ERISA) since the date of the most recent actuarial report for such
      plan.  No Ascend Benefit Plan is a "multiemployer plan" within the
      meaning of Section 3(37) of ERISA. 
  
          (iv)  Ascend and its subsidiaries are in compliance with all
      federal, state and local requirements regarding employment, except
      for any failures to comply that individually or in the aggregate are
      not reasonably likely to have a material adverse effect on Ascend. 
      Neither Ascend nor any of its subsidiaries is a party to any
      collective bargaining or other labor union contract applicable to
      persons employed by Ascend or any of its subsidiaries and no
      collective bargaining agreement is being negotiated by Ascend or any
      of its subsidiaries.  As of the date of this Agreement, there is no
      labor dispute, strike or work stoppage against Ascend or any of its
      subsidiaries pending or, to the knowledge of Ascend, threatened which
      may interfere with the respective business activities of Ascend or
      any of its subsidiaries, except where such dispute, strike or work
      stoppage individually or in the aggregate is not reasonably likely to
      have a material adverse effect on Ascend.  As of the date of this
      Agreement, to the knowledge of Ascend, none of Ascend, any of its
      subsidiaries or any of their respective representatives or employees
      has committed any unfair labor practice in connection with the
      operation of the respective business of Ascend or any of its
      subsidiaries, and there is no charge or complaint against Ascend or
      any of its subsidiaries by the National Labor Relations Board or any
      comparable governmental agency pending or threatened in writing, in
      each case except where such actions, charges or complaints,
      individually or in the aggregate, are not reasonably likely to have a
      material adverse effect on Ascend. 
  
           (v)  No employee of Ascend will be entitled to any additional
      benefits or any acceleration of the time of payment or vesting of any
      benefits under any Ascend Benefit Plan as a result of the
      transactions contemplated by this Agreement or the Option Agreement. 
      No amount payable, or economic benefit provided, by Ascend or its
      subsidiaries (including any acceleration of the time of payment or
      vesting of any benefit) could be considered an "excess parachute
      payment" under Section 280G of the Code.  No person is entitled to
      receive any additional payment from Ascend or its subsidiaries or any
      other person (a "Parachute Gross-Up Payment") in the event that the
      excise tax of Section 4999 of the Code is imposed on such person. 
      The Board of Directors of Ascend or any of its subsidiaries has not
      granted to any person any right to receive any Parachute Gross-Up
      Payment. 
  
           (l)  Taxes.  (i)  Each of Ascend and its subsidiaries has filed
      all material tax returns and reports required to be filed by it and
      all such returns and reports are complete and correct in all material
      respects, or requests for extensions to file such returns or reports
      have been timely filed, granted and have not expired, except to the
      extent that such failures to file, to be complete or correct or to
      have extensions granted that remain in effect individually or in the
      aggregate are not reasonably likely to have a material adverse effect
      on Ascend.  Ascend and each of its subsidiaries has paid (or Ascend
      has paid on its behalf) all taxes (as defined in Section 3.01(l)(vi))
      shown as due on such returns, and the most recent financial
      statements contained in the Ascend Filed SEC Documents reflect an
      adequate reserve for all taxes payable by Ascend and its subsidiaries
      for all taxable periods and portions thereof accrued through the date
      of such financial statements. 
  
          (ii)  No deficiencies for any taxes have been proposed, asserted
      or assessed against Ascend or any of its subsidiaries that are not
      adequately reserved for, except for deficiencies that individually or
      in the aggregate are not reasonably likely to have a material adverse
      effect on Ascend.  The federal income tax returns of Ascend and each
      of its subsidiaries consolidated in such returns have closed by
      virtue of the applicable statute of limitations. 
       
         (iii)  Neither Ascend nor any of its subsidiaries has taken any
      action or knows of any fact, agreement, plan or other circumstance
      that is reasonably likely to prevent the Merger from qualifying as a
      reorganization within the meaning of Section 368(a) of the Code. 
  
          (iv)  The Ascend Benefit Plans and other Ascend employee
      compensation arrangements in effect as of the date of this Agreement
      have been designed so that the disallowance of a material deduction
      under Section 162(m) of the Code for employee remuneration will not
      apply to any amounts paid or payable by Ascend or any of its
      subsidiaries under any such plan or arrangement and, to the knowledge
      of Ascend, no fact or circumstance exists that is reasonably likely
      to cause such disallowance to apply to any such amounts. 
  
          (v)  Neither Ascend nor any of its subsidiaries has constituted
      either a "distributing corporation" or a "controlled corporation" in
      a distribution of stock qualifying for tax-free treatment under
      Section 355 of the Code (x) in the two years prior to the date of
      this Agreement or (y) in a distribution which could otherwise
      constitute part of a "plan" or "series of related transactions"
      (within the meaning of Section 355(e) of the Code) in conjunction
      with the Merger. 
  
         (vi)  As used in this Agreement, "taxes" shall include all
      (x) federal, state, local or foreign income, property, sales, excise
      and other taxes or similar governmental charges, including any
      interest, penalties or additions with respect thereto, (y) liability
      for the payment of any amounts of the type described in (x) as a
      result of being a member of an affiliated, consolidated, combined or
      unitary group, and (z) liability for the payment of any amounts as a
      result of being party to any tax sharing agreement or as a result of
      any express or implied obligation to indemnify any other person with
      respect to the payment of any amounts of the type described in
      clause (x) or (y). 
  
           (m)  Voting Requirements.  The affirmative vote of the holders
      of a majority of the voting power of all outstanding shares of Ascend
      Common Stock at the Ascend Stockholders Meeting to adopt this
      Agreement (the "Ascend Stockholder Approval") is the only vote of the
      holders of any class or series of Ascend's capital stock necessary to
      approve and adopt this Agreement, the Option Agreement and the
      transactions contemplated hereby and thereby. 
  
           (n)  State Takeover Statutes.  The Board of Directors of Ascend
      (including the disinterested directors thereof) has unanimously
      approved the terms of this Agreement and the Option Agreement and the
      consummation of the Merger and the other transactions contemplated by
      this Agreement and the Option Agreement and such approval constitutes
      approval of the Merger and the other transactions contemplated by
      this Agreement and the Option Agreement by the Ascend Board of
      Directors under the provisions of Section 203 of the DGCL and
      represents all the action necessary to ensure that such Section 203
      does not apply to Lucent in connection with the Merger and the other
      transactions contemplated by this Agreement and by the Option
      Agreement.  To the knowledge of Ascend, no other state takeover
      statute is applicable to the Merger or the other transactions
      contemplated hereby and by the Option Agreement. 
  
           (o)  Accounting Matters.  Neither Ascend nor any of its
      affiliates (as defined in Section 8.03) has taken or agreed to take
      any action that would prevent the business combination to be effected
      by the Merger to be accounted for as a pooling of interests. 
  
           (p)  Brokers.  No broker, investment banker, financial advisor
      or other person, other than Credit Suisse First Boston Corporation,
      the fees and expenses of which will be paid by Ascend, is entitled to
      any broker's, finder's, financial advisor's or other similar fee or
      commission in connection with the transactions contemplated by this
      Agreement and the Option Agreement based upon arrangements made by or
      on behalf of Ascend.  Ascend has furnished to Lucent true and
      complete copies of all agreements under which any such fees or
      expenses are payable and all indemnification and other agreements
      related to the engagement of the persons to whom such fees are
      payable. 
  
           (q)  Opinion of Financial Advisor.  Ascend has received the
      opinion of Credit Suisse First Boston Corporation, dated the date of
      this Agreement, to the effect that, as of such date, the Exchange
      Ratio is fair from a financial point of view to holders of shares of
      Ascend Common Stock (other than Lucent and its affiliates), a signed
      copy of which opinion has been or will promptly be delivered to
      Lucent. 
  
           (r)  Intellectual Property; Year 2000.  (i)  Ascend and its
      subsidiaries own, or are validly licensed or otherwise have the right
      to use, all patents, patent rights, trademarks, trade secrets, trade
      names, service marks, copyrights and other proprietary intellectual
      property rights and computer programs (the "Intellectual Property
      Rights") which are material to the conduct of the business of Ascend
      and its subsidiaries. 
  
          (ii)  To the knowledge of Ascend, neither Ascend nor any of its
      subsidiaries has interfered with, infringed upon, misappropriated or
      otherwise come into conflict with any Intellectual Property Rights or
      other proprietary information of any other person, except for any
      such interference, infringement, misappropriation or other conflict
      which is not, individually or in the aggregate, reasonably likely to
      have a material adverse effect on Ascend.  Neither Ascend nor any of
      its subsidiaries has received any written charge, complaint, claim,
      demand or notice alleging any such interference, infringement,
      misappropriation or other conflict (including any claim that Ascend
      or any such subsidiary must license or refrain from using any
      Intellectual Property Rights or other proprietary information of any
      other person) which has not been settled or otherwise fully resolved. 
      To Ascend's knowledge, no other person has interfered with, infringed
      upon, misappropriated or otherwise come into conflict with any
      Intellectual Property Rights of Ascend or any of its subsidiaries,
      except for any such interference, infringement, misappropriation or
      other conflict which is not, individually or in the aggregate,
      reasonably likely to have a material adverse effect on Ascend. 
  
         (iii)  As the business of Ascend and its subsidiaries is presently
      conducted and without giving effect to any changes with respect
      thereto that may be made by Lucent, to Ascend's knowledge, Lucent's
      use of the Intellectual Property Rights which are material to the
      conduct of the business of Ascend and its subsidiaries taken as a
      whole will not interfere with, infringe upon, misappropriate or
      otherwise come into conflict with the Intellectual Property Rights of
      any other person. 
  
           (iv)  Ascend has implemented a program directed at ensuring that
      its and its subsidiaries' products (including prior and current
      products and technology and products and technology currently under
      development) will, when used in accordance with associated
      documentation on a specified platform or platforms, be capable upon
      installation of (i) operating in the same manner on dates in both the
      Twentieth and Twenty-First centuries and (ii) accurately processing,
      providing and receiving date data from, into and between the
      Twentieth and Twenty-First centuries, including the years 1999 and
      2000, and making leap-year calculations, provided that all non-Ascend
      products (e.g., hardware, software and firmware) material to the
      conduct of the business of Ascend and used in or in combination with
      Ascend's products, exchange data with Ascend's products in the same
      manner on dates in both the Twentieth and Twenty-First centuries. 
      Ascend has taken the steps as set forth in Section 3.01(r) of the
      Ascend Disclosure Schedule to assure that the year 2000 date change
      will not adversely affect the systems and facilities that support the
      operations of Ascend and its subsidiaries, except as is not
      reasonably likely to have a material adverse effect on Ascend. 
  
           (s)  Certain Contracts.  Neither Ascend nor any of its
      subsidiaries is a party to or bound by any non-competition agreement
      or any other similar agreement or obligation which purports to limit
      in any material respect the manner in which, or the localities in
      which, all or any material portion of the business of Ascend and its
      subsidiaries, taken as a whole, is conducted. 
  
           SECTION 3.02.  Representations and Warranties of Lucent and Sub. 
 Except as disclosed in the Lucent Filed SEC Documents (as defined in
 Section 3.02(f)) or as set forth on the Disclosure Schedule delivered by
 Lucent to Ascend prior to the execution of this Agreement (the "Lucent
 Disclosure Schedule") and making reference to the particular subsection of
 this Agreement to which exception is being taken, Lucent and Sub represent
 and warrant to Ascend as follows: 
  
           (a)  Organization, Standing and Corporate Power.  Each of
      Lucent, Sub and their subsidiaries is a corporation or other legal
      entity duly organized, validly existing and in good standing (with
      respect to jurisdictions which recognize such concept) under the laws
      of the jurisdiction in which it is organized and has the requisite
      corporate or other power, as the case may be, and authority to carry
      on its business as now being conducted, except for those
      jurisdictions where the failure to be so organized, existing or in
      good standing individually or in the aggregate is not reasonably
      likely to have a material adverse effect on Lucent.  Each of Lucent
      and its subsidiaries is duly qualified or licensed to do business and
      is in good standing (with respect to jurisdictions which recognize
      such concept) in each jurisdiction in which the nature of its
      business or the ownership, leasing or operation of its properties
      makes such qualification or licensing necessary, except for those
      jurisdictions where the failure to be so qualified or licensed or to
      be in good standing individually or in the aggregate is not
      reasonably likely to have a material adverse effect on Lucent. 
      Lucent has made available to Ascend prior to the execution of this
      Agreement complete and correct copies of its certificate of
      incorporation and by-laws and the certificate of incorporation and
      by-laws of Sub, in each case as amended to date. 
  
           (b)  Capital Structure.  The authorized capital stock of Lucent
      consists of 3,000,000,000 shares of Lucent Common Stock and
      250,000,000 shares of preferred stock, par value $1.00 per share, of
      Lucent ("Lucent Authorized Preferred Stock"), of which 7,500,000
      shares have been designated Series A Junior Participating Preferred
      Stock (the "Lucent Junior Preferred Stock").  At the close of
      business on November 30, 1998, (i) 1,318,615,011 shares of Lucent
      Common Stock were issued and outstanding, (ii) approximately
      105,351,000 shares of Lucent Common Stock were reserved for issuance
      pursuant to outstanding stock options or other rights to purchase or
      receive Lucent Common Stock granted under the 1996 Long Term
      Incentive Program, the 1997 Long Term Incentive Plan, the Global
      Founders Grant, the 1998 Global Ownership Grant and various plans of
      companies acquired by Lucent (such plans, collectively, the "Lucent
      Stock Plans"), (iii) no shares of Lucent Junior Preferred Stock were
      issued and outstanding and (iv) other than the Lucent Junior
      Preferred Stock, no other shares of Lucent Authorized Preferred Stock
      have been designated or issued.  As of the date of this Agreement, no
      bonds, debentures, notes or other indebtedness of Lucent having the
      right to vote (or convertible into, or exchangeable for, securities
      having the right to vote) on any matters on which stockholders of
      Lucent may vote are issued or outstanding.  All outstanding shares of
      capital stock of Lucent are, and all shares which may be issued will
      be, when issued, duly authorized, validly issued, fully paid and
      nonassessable and not subject to preemptive rights.  Lucent has made
      available to Ascend a complete and correct copy of the Rights
      Agreement dated as of April 4, 1996, as amended (the "Lucent Rights
      Agreement") between Lucent and The Bank of New York, as Rights Agent,
      relating to rights ("Lucent Rights") to purchase Lucent Junior
      Preferred Stock. 
  
           (c)  Authority; Noncontravention.  Each of Lucent and Sub has
      all requisite corporate power and authority to enter into this
      Agreement and to consummate the transactions contemplated by this
      Agreement.  Lucent has all requisite corporate power and authority to
      enter into the Option Agreement and to consummate the transactions
      contemplated thereby.  The execution and delivery of this Agreement
      by Lucent and Sub, and the execution and delivery of the Option
      Agreement by Lucent, and the consummation by Lucent and Sub of the
      transactions contemplated by this Agreement and the consummation by
      Lucent of the transactions contemplated by the Option Agreement have
      been duly authorized by all necessary corporate action on the part of
      Lucent and Sub, as applicable.  This Agreement has been duly executed
      and delivered by Lucent and Sub and, assuming the due authorization,
      execution and delivery by each of the other parties thereto,
      constitutes a legal, valid and binding obligation of Lucent and Sub,
      enforceable against each of them in accordance with its terms.  The
      Option Agreement has been duly executed and delivered by Lucent, and,
      assuming the due authorization, execution and delivery by each of the
      other parties thereto, constitutes a legal, valid and binding
      obligation of Lucent, enforceable against Lucent in accordance with
      its terms.  The execution and delivery of this Agreement and the
      Option Agreement do not, and the consummation of the transactions
      contemplated by this Agreement and the Option Agreement and
      compliance with the provisions of this Agreement and the Option
      Agreement will not, conflict with, or result in any violation of, or
      default (with or without notice or lapse of time, or both) under, or
      give rise to a right of termination, cancelation or acceleration of
      any obligation or loss of a benefit under, or result in the creation
      of any Lien upon any of the properties or assets of Lucent or Sub or
      any of Lucent's other subsidiaries under, (i) the certificate of
      incorporation or by-laws of Lucent or Sub or the comparable
      organizational documents of any of Lucent's other subsidiaries,
      (ii) any loan or credit agreement, note, bond, mortgage, indenture,
      lease or other agreement, instrument, permit, concession, franchise,
      license or similar authorization applicable to Lucent or Sub or any
      of Lucent's other subsidiaries or their respective properties or
      assets or (iii) subject to the governmental filings and other matters
      referred to in the following sentence, any judgment, order, decree,
      statute, law, ordinance, rule or regulation applicable to Lucent or
      any of its subsidiaries or their respective properties or assets,
      other than, in the case of clauses (ii) and (iii), any such
      conflicts, violations, defaults, rights, losses or Liens that
      individually or in the aggregate are not (x) reasonably likely to
      have a material adverse effect on Lucent or (y) reasonably likely to
      impair the ability of Lucent or Sub to perform its obligations under
      this Agreement or, in the case of Lucent, to perform its obligations
      under the Option Agreement.  No consent, approval, order or
      authorization of, action by, or in respect of, or registration,
      declaration or filing with, any Governmental Entity is required by or
      with respect to Lucent or Sub or any of Lucent's other subsidiaries
      in connection with the execution and delivery of this Agreement by
      Lucent and Sub or the execution and delivery of the Option Agreement
      by Lucent or the consummation by Lucent and Sub of the transactions
      contemplated by this Agreement or the consummation by Lucent of the
      transactions contemplated by the Option Agreement, except for (1) the
      filing of a premerger notification and report form by Lucent under
      the HSR Act and any applicable filings and approvals under similar
      foreign antitrust laws and regulations; (2) the filing with the SEC
      of (A) the Form S-4 and (B) such reports under Section 13(a), 13(d),
      15(d) or 16(a) of the Exchange Act as may be required in connection
      with this Agreement and the Option Agreement and the transactions
      contemplated by this Agreement and the Option Agreement; (3) the
      filing of the Certificate of Merger with the Delaware Secretary of
      State and appropriate documents with the relevant authorities of
      other states in which Lucent is qualified to do business and such
      filings with Governmental Entities to satisfy the applicable
      requirements of state securities or "blue sky" laws; (4) such filings
      with and approvals of the NYSE to permit the shares of Lucent Common
      Stock that are to be issued in the Merger to be listed on the NYSE;
      and (5) such consents, approvals, orders or authorizations the
      failure of which to be made or obtained individually or in the
      aggregate is not reasonably likely to have a material adverse effect
      on Lucent. 
  
           (d)  SEC Documents; Undisclosed Liabilities.  Lucent has filed
      all required reports, schedules, forms, statements and other
      documents (including exhibits and all other information incorporated
      therein) with the SEC since October 1, 1997 (the "Lucent SEC
      Documents").  As of their respective dates, the Lucent SEC Documents
      complied in all material respects with the requirements of the
      Securities Act or the Exchange Act, as the case may be, and the rules
      and regulations of the SEC promulgated thereunder applicable to such
      Lucent SEC Documents, and none of the Lucent SEC Documents when filed
      contained any untrue statement of a material fact or omitted to state
      a material fact required to be stated therein or necessary in order
      to make the statements therein, in light of the circumstances under
      which they were made, not misleading.  Except to the extent that
      information contained in any Lucent SEC Document has been revised or
      superseded by a later filed Lucent SEC Document, none of the Lucent
      SEC Documents contains any untrue statement of a material fact or
      omits to state any material fact required to be stated therein or
      necessary in order to make the statements therein, in light of the
      circumstances under which they were made, not misleading.  The
      financial statements of Lucent included in the Lucent SEC Documents
      comply as to form, as of their respective dates of filing with the
      SEC, in all material respects with applicable accounting requirements
      and the published rules and regulations of the SEC with respect
      thereto, have been prepared in accordance with generally accepted
      accounting principles (except, in the case of unaudited statements,
      as permitted by Form 10-Q of the SEC) applied on a consistent basis
      during the periods involved (except as may be indicated in the notes
      thereto) and fairly present in all material respects the consolidated
      financial position of Lucent and its consolidated subsidiaries as of
      the dates thereof and the consolidated results of their operations
      and cash flows for the periods then ended (subject, in the case of
      unaudited statements, to normal recurring year-end audit
      adjustments).  Except (i) as reflected in such financial statements
      or in the notes thereto or (ii) for liabilities incurred in
      connection with this Agreement or the Option Agreement or the
      transactions contemplated hereby or thereby, neither Lucent nor any
      of its subsidiaries has any liabilities or obligations of any nature
      which, individually or in the aggregate, are reasonably likely to
      have a material adverse effect on Lucent. 
  
           (e)  Information Supplied.  None of the information supplied or
      to be supplied by Lucent specifically for inclusion or incorporation
      by reference in (i) the Form S-4 will, at the time the Form S-4
      becomes effective under the Securities Act, contain any untrue
      statement of a material fact or omit to state any material fact
      required to be stated therein or necessary to make the statements
      therein not misleading or (ii) the Ascend Proxy Statement will, at
      the date it is first mailed to Ascend's stockholders or at the time
      of the Ascend Stockholders Meeting, contain any untrue statement of a
      material fact or omit to state any material fact required to be
      stated therein or necessary in order to make the statements therein,
      in light of the circumstances under which they are made, not
      misleading.  The Form S-4 will comply as to form in all material
      respects with the requirements of the Exchange Act and the rules and
      regulations thereunder, except that no representation or warranty is
      made by Lucent with respect to statements made or incorporated by
      reference therein based on information supplied by Ascend
      specifically for inclusion or incorporation by reference in the
      Form S-4. 
  
           (f)  Absence of Certain Changes or Events.  Except  for
      liabilities incurred in connection with this Agreement or the Option
      Agreement or the transactions contemplated hereby or thereby and
      except as disclosed in the Lucent SEC Documents filed and publicly
      available prior to the date of this Agreement (the "Lucent Filed SEC
      Documents"), since September 30, 1998, Lucent and its subsidiaries
      have conducted their business only in the ordinary course, and there
      has not been (1) any material adverse change in Lucent, (2) except
      insofar as may have been or required by a change in generally
      accepted accounting principles, any change in accounting methods,
      principles or practices by Lucent materially affecting its assets,
      liabilities or business or (3) any tax election that individually or
      in the aggregate is reasonably likely to have a material adverse
      effect on Lucent or any of its tax attributes or any settlement or
      compromise of any material income tax liability. 
  
           (g)  Litigation.  There is no suit, action or proceeding pending
      or, to the knowledge of Lucent, threatened against or affecting
      Lucent or any of its subsidiaries that, individually or in the
      aggregate, is reasonably likely to have a material adverse effect on
      Lucent nor is there any judgment, decree, injunction, rule or order
      of any Governmental Entity or arbitrator outstanding against Lucent
      or any of its subsidiaries having, or which is reasonably likely to
      have, individually or in the aggregate, a material adverse effect on
      Lucent; provided that, for purposes of this paragraph (g), any such
      suit, action, proceeding, judgment, decree, injunction, rule or order
      arising after the date hereof shall not be deemed to have a material
      adverse effect on Lucent if and to the extent such suit, action,
      proceeding, judgment, decree, injunction, rule or order (or any
      relevant part thereof) is based on this Agreement, the Option
      Agreement or the transactions contemplated hereby or thereby. 
  
           (h)  Compliance with Applicable Laws.  Lucent, its subsidiaries
      and employees hold all permits, licenses, variances, exemptions,
      orders, registrations and approvals of all Governmental Entities
      which are required for the operation of the businesses of Lucent and
      its subsidiaries (the "Lucent Permits") except where the failure to
      have any such Lucent Permits individually or in the aggregate is not
      reasonably likely to have a material adverse effect on Lucent. 
      Lucent and its subsidiaries are in compliance with the terms of the
      Lucent Permits and all applicable statutes, laws, ordinances, rules
      and regulations, except where the failure so to comply individually
      or in the aggregate is not reasonably likely to have a material
      adverse effect on Lucent.  No action, demand, requirement or
      investigation by any Governmental Entity and no suit, action or
      proceeding by any person, in each case with respect to Lucent or any
      of its subsidiaries or any of their respective properties, is pending
      or, to the knowledge of Lucent, threatened, other than, in each case,
      those the outcome of which individually or in the aggregate are not
      (i) reasonably likely to have a material adverse effect on Lucent or
      (ii) reasonably likely to impair the ability of Lucent to perform its
      obligations under this Agreement or the Option Agreement or prevent
      or materially delay the consummation of any of the transactions
      contemplated by this Agreement or the Option Agreement; provided that
      for purposes of this paragraph (h) any such action, demand,
      requirement or investigation or any such suit, action or proceeding
      arising after the date hereof shall not be deemed to have a material
      adverse effect on Lucent if and to the extent such action, demand,
      requirement or investigation or such suit, action or proceeding (or
      any relevant part thereof) is based on this Agreement, the Option
      Agreement or the transactions contemplated hereby or thereby. 
  
           (i)  Taxes.  (i)  Each of Lucent and its subsidiaries has filed
      all material tax returns and reports required to be filed by it and
      all such returns and reports are complete and correct in all material
      respects, or requests for extensions to file such returns or reports
      have been timely filed, granted and have not expired, except to the
      extent that such failures to file, to be complete or correct or to
      have extensions granted that remain in effect individually or in the
      aggregate are not reasonably likely to have a material adverse effect
      on Lucent.  Lucent and each of its subsidiaries has paid (or Lucent
      has paid on its behalf) all taxes shown as due on such returns, and
      the most recent financial statements contained in the Lucent Filed
      SEC Documents reflect an adequate reserve for all taxes payable by
      Lucent and its subsidiaries for all taxable periods and portions
      thereof accrued through the date of such financial statements. 
  
          (ii)  No deficiencies for any taxes have been proposed, asserted
      or assessed against Lucent or any of its subsidiaries that are not
      adequately reserved for, except for deficiencies that individually or
      in the aggregate are not reasonably likely to have a material adverse
      effect on Lucent.  The federal income tax returns of Lucent and each
      of its subsidiaries consolidated in such returns have closed by
      virtue of the applicable statute of limitations. 
  
         (iii)  Neither Lucent nor any of its subsidiaries has taken any
      action or knows of any fact, agreement, plan or other circumstance
      that is reasonably likely to prevent the Merger from qualifying as a
      reorganization within the meaning of Section 368(a) of the Code. 
  
           (iv)  Neither Lucent nor any of its subsidiaries has constituted
      either a "distributing corporation" or a "controlled corporation" in
      a distribution of stock qualifying for tax-free treatment under
      Section 355 of the Code (x) in the two years prior to the date of
      this Agreement or (y) in a distribution which could otherwise
      constitute part of a "plan" or "series of related transactions"
      (within the meaning of Section 355(e) of the Code) in conjunction
      with the Merger. 
  
           (j)  Voting Requirements.  No vote of the holders of shares of
      Lucent Common Stock or any other class or series of capital stock of
      Lucent is necessary to approve and adopt this Agreement and the
      Option Agreement and the transactions contemplated hereby and
      thereby. 
  
           (k)  Accounting Matters.  Neither Lucent nor any of its
      affiliates has taken or agreed to take any action that would prevent
      the business combination to be effected by the Merger to be accounted
      for as a pooling of interests. 
  
           (l)  Brokers.  No broker, investment banker, financial advisor
      or other person, other than Goldman, Sachs & Co., the fees and
      expenses of which will be paid by Lucent, is entitled to any
      broker's, finder's, financial advisor's or other similar fee or
      commission in connection with the transactions contemplated by this
      Agreement and the Option Agreement based upon arrangements made by or
      on behalf of Lucent. 
  
           (m)  Opinion of Financial Advisor.  Lucent has received the
      opinion of Goldman, Sachs & Co., dated the date of this Agreement, to
      the effect that, as of such date, the Exchange Ratio is fair to
      Lucent and, accordingly, to Lucent's stockholders from a financial
      point of view, a signed copy of which opinion has been or promptly
      will be delivered to Ascend. 
  
           (n)  Interim Operations of Sub.  Sub was formed solely for the
      purpose of engaging in the transactions contemplated hereby, has
      engaged in no other business activities and has conducted its
      operations only as contemplated hereby. 
  
  
                                ARTICLE IV 
  
                 Covenants Relating to Conduct of Business 
  
           SECTION 4.01.  Conduct of Business.  (a)  Conduct of Business by
 Ascend.  Except as set forth in Section 4.01(a) of the Ascend Disclosure
 Schedule, as otherwise expressly contemplated by this Agreement or the
 Option Agreement or as consented to by Lucent, such consent not to be
 unreasonably withheld or delayed, during the period from the date of this
 Agreement to the Effective Time, Ascend shall, and shall cause its
 subsidiaries to, carry on their respective businesses in the ordinary
 course consistent with past practice and in compliance in all material
 respects with all applicable laws and regulations and, to the extent
 consistent therewith, use all reasonable efforts to preserve intact their
 current business organizations, use reasonable efforts to keep available
 the services of their current officers and other key employees and
 preserve their relationships with those persons having business dealings
 with them to the end that their goodwill and ongoing businesses shall be
 unimpaired at the Effective Time.  Without limiting the generality of the
 foregoing (but subject to the above exceptions and subject to actions
 taken consistent with the Stratus Computer, Inc. divestiture plan referred
 to in clause (v) below), during the period from the date of this Agreement
 to the Effective Time, Ascend shall not, and shall not permit any of its
 subsidiaries to: 
  
           (i) other than dividends and distributions (including
      liquidating distributions) by a direct or indirect wholly owned
      subsidiary of Ascend to its parent, (x) declare, set aside or pay any
      dividends on, or make any other distributions in respect of, any of
      its capital stock, (y) split, combine or reclassify any of its
      capital stock or issue or authorize the issuance of any other
      securities in respect of, in lieu of or in substitution for shares of
      its capital stock, except for issuances of Ascend Common Stock
      pursuant to the exercise of Ascend Stock Options outstanding as of
      the date hereof in accordance with their present terms or
      (z) purchase, redeem or otherwise acquire any shares of capital stock
      of Ascend or any of its subsidiaries or any other securities thereof
      or any rights, warrants or options to acquire any such shares or
      other securities; 
  
          (ii) issue, deliver, sell, pledge or otherwise encumber or
      subject to any Lien any shares of its capital stock, any other voting
      securities or any securities convertible into, or any rights,
      warrants or options to acquire, any such shares, voting securities or
      convertible securities (other than (w) the issuance of Ascend Stock
      Options granted consistent with past practice to new or promoted
      employees (other than executive officers) of Ascend representing in
      the aggregate not more than 3.8 million shares of Ascend Common Stock
      (provided that the vesting of such Ascend Stock Options shall not be
      accelerated as a result of the Merger), (x) the issuance of Ascend
      Common Stock upon the exercise of Ascend Stock Options outstanding as
      of the date hereof in accordance with their present terms, or upon
      the exercise of the Ascend Stock Options referred to in clause (w) in
      accordance with their terms, (y) the issuance of Ascend Common Stock
      pursuant to the Option Agreement or (z) subject to Section
      5.06(e), the issuance of Ascend Common Stock in accordance with past
      practice pursuant to the terms of the 1994 Stock Purchase Plan as in
      effect on the date of this Agreement); 
  
         (iii) amend Ascend's certificate of incorporation, by-laws or
      other comparable organizational documents; 
  
          (iv) acquire or agree to acquire by merging or consolidating
      with, or by purchasing assets of, or by any other manner, any
      business or any person, other than (A) purchases of raw materials or
      supplies in the ordinary course of business consistent with past
      practice or (B) acquisitions for cash plus assumption of debt with a
      purchase price (together with the amount of assumed debt) not in
      excess of $100 million individually or $250 million in the aggregate,
      provided that Ascend shall have reasonably consulted with Lucent
      prior to entering into a definitive agreement with respect to any
      such acquisition and shall not consummate any acquisition that, to
      the knowledge of Ascend in its good faith judgment, will result in a
      significant overlap with Lucent's businesses; 
  
           (v) sell, lease, license, mortgage or otherwise encumber or
      subject to any Lien or otherwise dispose of any of its properties or
      assets (including securitizations), other than sales or licenses of
      finished goods in the ordinary course of business consistent with
      past practice (provided that Ascend shall use reasonable efforts to
      consummate the previously announced plan to divest portions of
      Stratus Computer, Inc. and Stratus Computer Limited, as such plan has
      previously been described to Lucent); 
  
           (vi) (x) incur any indebtedness for borrowed money or guarantee
      any such indebtedness of another person, issue or sell any debt
      securities or warrants or other rights to acquire any debt securities
      of Ascend or any of its subsidiaries, guarantee any debt securities
      of another person, enter into any "keep well" or other agreement to
      maintain any financial statement condition of another person or enter
      into any arrangement having the economic effect of any of the
      foregoing, except for short-term borrowings incurred in the ordinary
      course of business (or to refund existing or maturing indebtedness)
      consistent with past practice and except for intercompany
      indebtedness between Ascend and any of its subsidiaries or between
      such subsidiaries, or (y) make any loans, advances or capital
      contributions to, or investments in, any other person; 

           (vii) make or agree to make any new capital expenditure or
      expenditures, or enter into any agreement or agreements providing for
      payments which, individually, are in excess of $5 million or, in the
      aggregate, are in excess of $25 million; 
  
           (viii) make any tax election that, individually or in the
      aggregate, is reasonably likely to have a material adverse effect on
      the tax liability of Ascend or settle or compromise any material
      income tax liability; 
  
           (ix) pay, discharge, settle or satisfy any material claims,
      liabilities, obligations or litigation (absolute, accrued, asserted
      or unasserted, contingent or otherwise), other than the payment,
      discharge, settlement or satisfaction, in the ordinary course of
      business consistent with past practice or in accordance with their
      terms, of liabilities recognized or disclosed in the most recent
      consolidated financial statements (or the notes thereto) of Ascend
      included in the Ascend Filed SEC Documents or incurred since the date
      of such financial statements, or waive the benefits of, or agree to
      modify in any manner, any standstill or similar agreement to which
      Ascend or any of its subsidiaries is a party; 
  
           (x) except as required by law or contemplated hereby and except
      for labor agreements negotiated in the ordinary course, enter into,
      adopt or amend in any material respect or terminate any Ascend
      Benefit Plan or any other agreement, plan or policy involving Ascend
      or its subsidiaries, and one or more of its directors, officers or
      employees, or materially change any actuarial or other assumption
      used to calculate funding obligations with respect to any pension
      plan, or change the manner in which contributions to any pension plan
      are made or the basis on which such contributions are determined; 
  
          (xi) except for normal increases in the ordinary course of
      business consistent with past practice that, in the aggregate, do not
      materially increase benefits or compensation expenses of Ascend or
      its subsidiaries, or as contemplated hereby or by the terms of any
      employment agreement in existence on the date hereof, increase the
      cash compensation of any director, executive officer or other key
      employee or pay any benefit or amount not required by a plan or
      arrangement as in effect on the date of this Agreement to any such
      person; provided, however, that nothing contained herein shall
      prohibit Ascend from paying 1998 bonuses that have been earned under
      its incentive bonus plans in accordance with the terms of such plans
      as in effect on the date hereof consistent with past practice; 
  
         (xii) transfer or license to any person or entity or otherwise
      extend, amend or modify any rights to the Intellectual Property
      Rights of Ascend and its subsidiaries other than in the ordinary
      course of business consistent with past practices or on a non-
      exclusive basis not materially different from past practices; 
  
        (xiii) enter into or amend in any material respect any material OEM
      agreement or any agreements pursuant to which any person is granted
      exclusive marketing, manufacturing or other rights with respect to
      any Ascend product, process or technology; 
  
         (xiv) take any action that would cause the representations and
      warranties set forth in Section 3.01(g) to no longer be true and
      correct; or 
  
          (xv) authorize, or commit or agree to take, any of the foregoing
      actions. 
  
           (b)  Conduct of Business by Lucent.  During the period from the
 date of this Agreement to the Effective Time, Lucent shall not make any
 acquisition of assets or businesses which, in its good faith judgment,
 would cause a material delay of the Merger. 
  
           (c)  Other Actions.  Except as required by law, Ascend and
 Lucent shall not, and shall not permit any of their respective
 subsidiaries to, voluntarily take any action that would, or that could
 reasonably be expected to, result in (i) any of the representations and
 warranties of such party set forth in this Agreement or the Option
 Agreement that are qualified as to materiality becoming untrue at the
 Effective Time, (ii) any of such representations and warranties that are
 not so qualified becoming untrue in any material respect at the Effective
 Time, or (iii) any of the conditions to the Merger set forth in Article VI
 not being satisfied. 
  
           (d)  Advice of Changes.  Ascend and Lucent shall promptly advise
 the other party orally and in writing to the extent it has knowledge of
 (i) any representation or warranty made by it (and, in the case of Lucent,
 made by Sub) contained in this Agreement or the Option Agreement becoming
 untrue or inaccurate in any respect where the failure of such
 representation to be so true and correct (without giving effect to any
 limitation as to "materiality" or "material adverse effect" set forth
 therein), individually or in the aggregate, has had or is reasonably
 likely to have a material adverse effect on it, (ii) the failure by it
 (and, in the case of Lucent, by Sub) to comply in any material respect
 with or satisfy in any material respect any covenant, condition or
 agreement to be complied with or satisfied by it under this Agreement or
 the Option Agreement and (iii) any change or event having, or which is
 reasonably likely to have, a material adverse effect on such party or on
 the truth of their respective representations and warranties or the
 ability of the conditions set forth in Article VI to be satisfied;
 provided, however, that no such notification shall affect the
 representations, warranties, covenants or agreements of the parties (or
 remedies with respect thereto) or the conditions to the obligations of the
 parties under this Agreement or the Option Agreement. 
  
           SECTION 4.02.  No Solicitation by Ascend.  (a)  Ascend shall
 not, nor shall it permit any of its subsidiaries to, nor shall it
 authorize or permit any of its directors, officers or employees or any
 investment banker, financial advisor, attorney, accountant or other
 representative retained by it or any of its subsidiaries to, directly or
 indirectly through another person, (i) solicit, initiate or encourage
 (including by way of furnishing information), or take any other action
 designed to facilitate, any inquiries or the making of any proposal which
 constitutes a Takeover Proposal (as defined below) or (ii) participate in
 any discussions or negotiations regarding any Takeover Proposal; provided,
 however, that if, at any time prior to the date of the Ascend Stockholders
 Meeting (the "Applicable Period"), the Board of Directors of Ascend
 determines in good faith, after consultation with outside counsel, that it
 is legally advisable to do so in order to comply with its fiduciary duties
 to Ascend's stockholders under applicable law, Ascend may, in response to
 a Superior Proposal (as defined in Section 4.02(b)) which was not
 solicited by it or which did not otherwise result from a breach of this
 Section 4.02(a), and subject to providing prior written notice of its
 decision to take such action to Lucent (a "Section 4.02 Notice") and
 compliance with Section 4.02(c), (x) furnish information with respect to
 Ascend and its subsidiaries to any person making an Superior Proposal
 pursuant to a customary confidentiality agreement (as determined by Ascend
 after consultation with its outside counsel) and (y) participate in
 discussions or negotiations regarding such Superior Proposal.  For
 purposes of this Agreement, "Takeover Proposal" means any inquiry,
 proposal or offer from any person relating to any direct or indirect
 acquisition or purchase of a business that constitutes 15% or more of the
 net revenues, net income or the assets of Ascend and its subsidiaries,
 taken as a whole, or 15% or more of any class of equity securities of
 Ascend or any of its subsidiaries, any tender offer or exchange offer that
 if consummated would result in any person beneficially owning 15% or more
 of any class of equity securities of Ascend or any of its subsidiaries, or
 any merger, consolidation, business combination, recapitalization,
 liquidation, dissolution or similar transaction involving Ascend or any of
 its subsidiaries, other than the transactions contemplated by this
 Agreement. 
  
           (b)  Except as expressly permitted by this Section 4.02, neither
 the Board of Directors of Ascend nor any committee thereof shall
 (i) withdraw or modify, or propose publicly to withdraw or modify, in a
 manner adverse to Lucent, the approval or recommendation by such Board of
 Directors or such committee of the Merger or this Agreement, (ii) approve
 or recommend, or propose publicly to approve or recommend, any Takeover
 Proposal, or (iii) cause Ascend to enter into any letter of intent,
 agreement in principle, acquisition agreement or other similar agreement
 (each, an "Acquisition Agreement") related to any Takeover Proposal, other
 than any such agreement entered into concurrently with a termination
 pursuant to the next sentence in order to facilitate such action. 
 Notwithstanding the foregoing, during the Applicable Period, in response
 to a Superior Proposal which was not solicited by Ascend and which did not
 otherwise result from a breach of Section 4.02(a), the Board of Directors
 of Ascend may (subject to this and the following sentences) terminate this
 Agreement (and concurrently with or after such termination, if it so
 chooses, cause Ascend to enter into any Acquisition Agreement with respect
 to any Superior Proposal), but only at a time that is during the
 Applicable Period and is after the fifth business day following Lucent's
 receipt of written notice advising Lucent that the Board of Directors of
 Ascend is prepared to accept a Superior Proposal, specifying the material
 terms and conditions of such Superior Proposal and identifying the person
 making such Superior Proposal.  For purposes of this Agreement, a
 "Superior Proposal" means any proposal made by a third party to acquire,
 directly or indirectly, including pursuant to a tender offer, exchange
 offer, merger, consolidation, business combination, recapitalization,
 liquidation, dissolution or similar transaction, for consideration
 consisting of cash and/or securities, more than 50% of the combined voting
 power of the shares of Ascend Common Stock then outstanding or all or
 substantially all the assets of Ascend and otherwise on terms which the
 Board of Directors of Ascend determines in its good faith judgment (based
 on the advice of a financial advisor of nationally recognized reputation)
 to be more favorable to Ascend's stockholders than the Merger and for
 which financing, to the extent required, is then committed or which, in
 the good faith judgment of the Board of Directors of Ascend, is reasonably
 capable of being obtained by such third party. 
  
           (c)  In addition to the obligations of Ascend set forth in
 paragraphs (a) and (b) of this Section 4.02, Ascend shall immediately
 advise Lucent orally and in writing of any request for information or of
 any Takeover Proposal, the material terms and conditions of such request
 or Takeover Proposal and the identity of the person making such request or
 Takeover Proposal.  Ascend will keep Lucent informed of the status and
 details (including amendments or proposed amendments) of any such request
 or Takeover Proposal. 
  
           (d)  Nothing contained in this Section 4.02 shall prohibit
 Ascend from taking and disclosing to its stockholders a position
 contemplated by Rule 14e-2(a) promulgated under the Exchange Act or from
 making any disclosure to Ascend's stockholders if, in the good faith
 judgment of the Board of Directors of Ascend, after consultation with
 outside counsel, failure so to disclose would be inconsistent with its
 obligations under applicable law; provided, however, that neither Ascend
 nor its Board of Directors nor any committee thereof shall withdraw or
 modify, or propose publicly to withdraw or modify, its position with
 respect to this Agreement or the Merger or approve or recommend, or
 propose publicly to approve or recommend, a Takeover Proposal. 


                                 ARTICLE V 
  
                           Additional Agreements 
  
           SECTION 5.01.  Preparation of the Form S-4 and the Ascend Proxy
 Statement; Ascend Stockholders Meeting.  (a)  As soon as practicable
 following the date of this Agreement, Ascend shall prepare and file with
 the SEC the Ascend Proxy Statement and Lucent shall prepare and file with
 the SEC the Form S-4, in which the Ascend Proxy Statement will be included
 as a prospectus.  Each of Ascend and Lucent shall use reasonable efforts
 to have the Form S-4 declared effective under the Securities Act as
 promptly as practicable after such filing.  Ascend will use all reasonable
 efforts to cause the Ascend Proxy Statement to be mailed to Ascend's
 stockholders as promptly as practicable after the Form S-4 is declared
 effective under the Securities Act.  Lucent shall also take any action
 (other than qualifying to do business in any jurisdiction in which it is
 not now so qualified or to file a general consent to service of process)
 required to be taken under any applicable state securities laws in
 connection with the issuance of Lucent Common Stock in the Merger and
 Ascend shall furnish all information concerning Ascend and the holders of
 Ascend Common Stock as may be reasonably requested in connection with any
 such action.  No filing of, or amendment or supplement to, the Form S-4
 will be made by Lucent, or the Ascend Proxy Statement will be made by
 Ascend, without providing the other party the opportunity to review and
 comment thereon.  Lucent will advise Ascend, promptly after it receives
 notice thereof, of the time when the Form S-4 has become effective or any
 supplement or amendment has been filed, the issuance of any stop order,
 the suspension of the qualification of the Lucent Common Stock issuable in
 connection with the Merger for offering or sale in any jurisdiction, or
 any request by the SEC for amendment of the Form S-4 or comments thereon
 and responses thereto or requests by the SEC for additional information. 
 Ascend will inform Lucent, promptly after it receives notice thereof, of
 any request by the SEC for the amendment of the Ascend Proxy Statement or
 comments thereon and responses thereto or requests by the SEC for
 additional information.  If at any time prior to the Effective Time any
 information relating to Ascend or Lucent, or any of their respective
 affiliates, officers or directors, should be discovered by Ascend or
 Lucent which should be set forth in an amendment or supplement to any of
 the Form S-4 or the Ascend Proxy Statement, so that any of such documents
 would not include any misstatement of a material fact or omit to state any
 material fact necessary to make the statements therein, in light of the
 circumstances under which they were made, not misleading, the party which
 discovers such information shall promptly notify the other parties hereto
 and an appropriate amendment or supplement describing such information
 shall be promptly filed with the SEC and, to the extent required by law,
 disseminated to the stockholders of Ascend. 
  
           (b)  Ascend shall, as soon as practicable following the date of
 this Agreement, duly call, give notice of, convene and hold a meeting of
 its stockholders (the "Ascend Stockholders Meeting") for the purpose of
 obtaining the Ascend Stockholder Approval and shall, through its Board of
 Directors, recommend to its stockholders the approval and adoption of this
 Agreement, the Merger and the other transactions contemplated hereby. 
 Without limiting the generality of the foregoing but subject to its rights
 to terminate this Agreement pursuant to Section 4.02(b), Ascend agrees
 that its obligations pursuant to the first sentence of this
 Section 5.01(b) shall not be affected by the commencement, public
 proposal, public disclosure or communication to Ascend of any Takeover
 Proposal. 
  
           SECTION 5.02.  Letters of Ascend's Accountants. (a)  Ascend
 shall use reasonable efforts to cause to be delivered to Lucent two
 letters from Ascend's independent accountants, one dated a date within two
 business days before the date on which the Form S-4 shall become effective
 and one dated a date within two business days before the Closing Date,
 each addressed to Lucent, in form and substance reasonably satisfactory to
 Lucent and customary in scope and substance for comfort letters delivered
 by independent public accountants in connection with registration
 statements similar to the Form S-4. 
  
           (b)  Ascend shall provide reasonable cooperation to each of
 Lucent's independent accountants and Ascend's independent accountants to
 enable them to issue the letters referred to in Section 6.01(f) and shall
 use reasonable efforts to cause them to do so. 
  
           SECTION 5.03.  Letters of Lucent's Accountants.  (a)  Lucent
 shall use reasonable efforts to cause to be delivered to Ascend two
 letters from Lucent's independent accountants, one dated a date within two
 business days before the date on which the Form S-4 shall become effective
 and one dated a date within two business days before the Closing Date,
 each addressed to Ascend, in form and substance reasonably satisfactory to
 Ascend and customary in scope and substance for comfort letters delivered
 by independent public accountants in connection with registration
 statements similar to the Form S-4. 
  
           (b)  Lucent shall provide reasonable cooperation to each of
 Lucent's independent accountants and Ascend's independent accountants to
 enable them to issue the letters referred to in Section 6.01(f) and shall
 use reasonable efforts to cause them to do so. 
  
           SECTION 5.04.  Access to Information; Confidentiality.  Subject
 to the Nondisclosure Agreement dated September 17, 1998, as amended as of
 December 10, 1998, between Lucent and Ascend (the "Confidentiality
 Agreement"), each of Lucent and Ascend shall, and shall cause each of its
 respective subsidiaries to, afford to the other party and to the officers,
 employees, accountants, counsel, financial advisors and other
 representatives of such other party, reasonable access during normal
 business hours during the period prior to the Effective Time to all their
 respective properties, books, contracts, commitments, personnel and
 records and, during such period, each of Ascend and Lucent shall, and
 shall cause each of its respective subsidiaries to, furnish promptly to
 the other party (a) a copy of each report, schedule, registration
 statement and other document filed by it during such period pursuant to
 the requirements of federal or state securities laws and (b) all other
 information concerning its business, properties and personnel as such
 other party may reasonably request.  Neither Lucent nor Ascend shall be
 required to provide access to or disclose information where such access or
 disclosure would contravene any law, rule, regulation, order or decree. 
 No review pursuant to this Section 5.04 shall have an effect for the
 purpose of determining the accuracy of any representation or warranty
 given by either party hereto to the other party hereto.  Each of Ascend
 and Lucent will hold, and will cause its respective officers, employees,
 accountants, counsel, financial advisors and other representatives and
 affiliates to hold, any nonpublic information in accordance with the terms
 of the Confidentiality Agreement. 
  
           SECTION 5.05.  Commercially Reasonable Best Efforts.  (a)  Upon
 the terms and subject to the conditions set forth in this Agreement, each
 of the parties agrees to use commercially reasonable best efforts to take,
 or cause to be taken, all actions, and to do, or cause to be done, and to
 assist and cooperate with the other parties in doing, all things
 necessary, proper or advisable to consummate and make effective, in the
 most expeditious manner practicable, the Merger and the other transactions
 contemplated by this Agreement and the Option Agreement, including (i) the
 obtaining of all necessary actions or nonactions, waivers, consents and
 approvals from Governmental Entities and the making of all necessary
 registrations and filings and the taking of all steps as may be necessary
 to obtain an approval or waiver from, or to avoid an action or proceeding
 by, any Governmental Entity, (ii) the obtaining of all necessary consents,
 approvals or waivers from third parties, (iii) the defending of any
 lawsuits or other legal proceedings, whether judicial or administrative,
 challenging this Agreement or the Option Agreement or the consummation of
 the transactions contemplated by this Agreement or the Option Agreement,
 including seeking to have any stay or temporary restraining order entered
 by any court or other Governmental Entity vacated or reversed, and
 (iv) the execution and delivery of any additional instruments necessary to
 consummate the transactions contemplated by, and to fully carry out the
 purposes of, this Agreement and the Option Agreement. 
  
           (b)  In connection with and without limiting the foregoing,
 Ascend and Lucent shall (i) take all action necessary to ensure that no
 state takeover statute or similar statute or regulation is or becomes
 applicable to the Merger, this Agreement, the Option Agreement or any of
 the other transactions contemplated by this Agreement or the Option
 Agreement and (ii) if any state takeover statute or similar statute or
 regulation becomes applicable to the Merger, this Agreement, the Option
 Agreement or any other transaction contemplated by this Agreement or the
 Option Agreement, take all action necessary to ensure that the Merger and
 the other transactions contemplated by this Agreement and the Option
 Agreement may be consummated as promptly as practicable on the terms
 contemplated by this Agreement and the Option Agreement and otherwise to
 minimize the effect of such statute or regulation on the Merger and the
 other transactions contemplated by this Agreement and the Option
 Agreement. 
  
           SECTION 5.06.  Stock Options.  (a)  As soon as practicable
 following the date of this Agreement, the Board of Directors of Ascend
 (or, if appropriate, any committee administering the Ascend Stock Plans)
 shall adopt such resolutions or take such other actions as may be required
 to effect the following: 
  
           (i) adjust the terms of all outstanding Ascend Stock Options
      granted under Ascend Stock Plans, whether vested or unvested, as
      necessary to provide that, at the Effective Time, each Ascend Stock
      Option outstanding immediately prior to the Effective Time shall be
      amended and converted into an option to acquire, on the same terms
      and conditions as were applicable under such Ascend Stock Option (as
      modified by the terms of an agreement (referred to in Section 3.01(k)
      of the Ascend Disclosure Schedule) in effect on the date hereof
      between Ascend and the holder of such Ascend Stock Option as
      disclosed to Lucent prior to the date hereof), the same number of
      shares of Lucent Common Stock (rounded down to the nearest whole
      share) as the holder of such Ascend Stock Option would have been
      entitled to receive pursuant to the Merger had such holder exercised
      such Ascend Stock Option in full immediately prior to the Effective
      Time, at a price per share of Lucent Common Stock (rounded up to the
      nearest whole cent) equal to (A) the aggregate exercise price for the
      shares of Ascend Common Stock otherwise purchasable pursuant to such
      Ascend Stock Option divided by (B) the aggregate number of shares of
      Lucent Common Stock deemed purchasable pursuant to such Ascend Stock
      Option (each, as so adjusted, an "Adjusted Option"); and 
  
          (ii) make such other changes to the Ascend Stock Plans as Ascend
      and Lucent may agree are appropriate to give effect to the Merger,
      including as provided in Section 5.07. 
  
           (b)  As soon as practicable after the Effective Time, Lucent
 shall deliver to the holders of Ascend Stock Options appropriate notices
 setting forth such holders' rights pursuant to the respective Ascend Stock
 Plans and the agreements evidencing the grants of such Ascend Stock
 Options and that such Ascend Stock Options and agreements shall be assumed
 by Lucent and shall continue in effect on the same terms and conditions
 (subject to the adjustments required by this Section 5.06 after giving
 effect to the Merger). 
  
           (c)  A holder of an Adjusted Option may exercise such Adjusted
 Option in whole or in part in accordance with its terms by delivering a
 properly executed notice of exercise to Lucent, together with the
 consideration therefor and the federal withholding tax information, if
 any, required in accordance with the related Ascend Stock Plan. 

           (d)  Except as otherwise contemplated by this Section 5.06 and
 except to the extent required under the respective terms of the Ascend
 Stock Options or any agreement (referred to in Section 3.01(k) of the
 Ascend Disclosure Schedule) in effect on the date hereof between Ascend
 and a holder of Ascend Stock Options (as disclosed to Lucent prior to the
 date hereof), all restrictions or limitations on transfer and vesting with
 respect to Ascend Stock Options awarded under the Ascend Stock Plans or
 any other plan, program or arrangement of Ascend or any of its
 subsidiaries, to the extent that such restrictions or limitations shall
 not have already lapsed, shall remain in full force and effect with
 respect to such options after giving effect to the Merger and the
 assumption by Lucent as set forth above. 
  
           (e)  Effective as of January 31, 1999, Ascend shall amend the
 1994 Stock Purchase Plan to terminate all future offering periods. 
  
           SECTION 5.07.  Ascend Stock Plans.  At the Effective Time, by
 virtue of the Merger, the Ascend Stock Plans shall be assumed by Lucent,
 with the result that all obligations of Ascend under the Ascend Stock
 Plans, including with respect to awards outstanding at the Effective Time
 under each Ascend Stock Plan, shall be obligations of Lucent following the
 Effective Time.  Prior to the Effective Time, Lucent shall take all
 necessary actions (including, if required to comply with Section 162(m) of
 the Code (and the regulations thereunder) or applicable law or rule of the
 NYSE, obtaining the approval of its stockholders at the next regularly
 scheduled annual meeting of Lucent following the Effective Time) for the
 assumption of the Ascend Stock Plans, including the reservation, issuance
 and listing of Lucent Common Stock in a number at least equal to the
 number of shares of Lucent Common Stock that will be subject to Adjusted
 Options.  As soon as practicable following the Effective Time, Lucent
 shall prepare and file with the SEC a registration statement on Form S-8
 (or another appropriate form) registering a number of shares of Lucent
 Common Stock determined in accordance with the preceding sentence.  Such
 registration statement shall be kept effective (and the current status of
 the prospectus or prospectuses required thereby shall be maintained) at
 least for so long as Adjusted Options or any unsettled awards granted
 under the Ascend Stock Plans after the Effective Time remain outstanding. 
  
           SECTION 5.08.  Employee Benefit Plans; Existing Agreements. 
 (a)  On a date that shall be no later than the first anniversary of the
 Effective Time (the "Benefits Date"), Lucent shall provide, or cause to be
 provided, employee benefit plans, programs and arrangements to employees
 of Ascend that are no less favorable in the aggregate than those made
 generally available to non-represented employees of Lucent who are hired
 by Lucent after December 31, 1998.  From the Effective Time to the
 Benefits Date (which the parties acknowledge may occur on different dates
 with respect to different plans, programs or arrangements of Ascend) (the
 "Continuation Period"), Lucent shall provide, or cause to be provided, the
 employee benefit plans, programs and arrangements of Ascend provided to
 employees of Ascend as of the date hereof; provided that during the
 Continuation Period, employees of Ascend shall be eligible for grants of
 stock options under Lucent's stock option plans to the same extent as
 similarly situated employees of Lucent.  Notwithstanding the foregoing,
 for a period of no less than one year after the Effective Time, Lucent
 shall provide severance benefits to employees of Ascend that are no less
 favorable than those provided to such employees as of the date hereof. 
  
           (b)  With respect to each benefit plan, program practice, policy
 or arrangement maintained by Lucent in which employees of Ascend
 subsequently participate (the "Lucent Plans"), for purposes of determining
 eligibility to participate, vesting, and entitlement to benefits,
 including for severance benefits and vacation entitlement (but not for
 accrual of pension benefits), service with Ascend (or predecessor
 employers to the extent Ascend provides past service credit) shall be
 treated as service with Lucent; provided, however, that such service shall
 not be recognized to the extent that such recognition would result in a
 duplication of benefits.  Such service also shall apply for purposes of
 satisfying any waiting periods, evidence of insurability requirements, or
 the application of any pre-existing condition limitations.  Each Lucent
 Plan shall waive pre-existing condition limitations to the same extent
 waived under the applicable Ascend Benefit Plan.  Ascend Employees shall
 be given credit for amounts paid under a corresponding benefit plan during
 the same period for purposes of applying deductibles, copayments and out-
 of-pocket maximums as though such amounts had been paid in accordance with
 the terms and conditions of the Lucent Plan. 
  
           (c)  As of the Effective Time, Lucent shall cause the
 appropriate subsidiaries of Lucent to assume and to honor in accordance
 with their terms all employment, severance and other compensation
 agreements and arrangements existing prior to the execution of this
 Agreement which are between Ascend or any of its subsidiaries and any
 director, officer or employee thereof.  The provisions of this Section
 5.08(c) are intended to be for the benefit of, and shall be enforceable
 by, each such director, officer or employee. 
  
           (d)  Ascend and Lucent hereby agree that Ascend or Lucent (as
 appropriate) shall take all such actions as are necessary to carry out the
 matters described in Section 5.08(d) of the Ascend Disclosure Schedule. 
  
           SECTION 5.09.  Indemnification, Exculpation and Insurance.  (a) 
 Lucent agrees that all rights to indemnification and exculpation from
 liabilities for acts or omissions occurring at or prior to the Effective
 Time now existing in favor of the current or former directors or officers
 of Ascend and its subsidiaries as provided in their respective
 certificates of incorporation or by-laws (or comparable organizational
 documents) and any indemnification agreements of Ascend, the existence of
 which does not constitute a breach of this Agreement, shall be assumed by
 the Surviving Corporation in the Merger, without further action, as of the
 Effective Time and shall survive the Merger and shall continue in full
 force and effect in accordance with their terms, and Lucent shall cause
 the Surviving Corporation to honor all such rights.  
  
           (b)  In the event that the Surviving Corporation or any of its
 successors or assigns (i) consolidates with or merges into any other
 person and is not the continuing or surviving corporation or entity of
 such consolidation or merger or (ii) transfers or conveys all or
 substantially all of its properties and assets to any person, then, and in
 each such case, Lucent shall cause proper provision to be made so that the
 successors and assigns of the Surviving Corporation assume the obligations
 set forth in this Section 5.09. 
  
           (c)  For six years after the Effective Time, Lucent shall
 maintain in effect Ascend's current directors' and officers' liability
 insurance covering acts or omissions occurring prior to the Effective Time
 with respect to those persons who are currently covered by Ascend's
 directors' and officers' liability insurance policy on terms with respect
 to such coverage and amount no less favorable than those of such policy in
 effect on the date hereof; provided that Lucent may substitute therefor
 policies of Lucent or its subsidiaries containing terms with respect to
 coverage and amount no less favorable to such directors or officers;
 provided further, that if the existing or substituted directors' and
 officers' liability insurance expires, is terminated or canceled during
 such six-year period, Lucent will obtain as much directors' and officers'
 liability insurance as can be obtained for the remainder of such period
 for a premium not in excess of 200% of the aggregate premiums paid by
 Ascend in 1998 on an annualized basis for such purpose and that in no
 event shall Lucent be required to pay aggregate premiums for insurance
 under this Section 5.09(c) in excess of 200% of amount of aggregate
 premiums paid by Ascend in 1998 on an annualized basis for such purpose. 
  
           (d)  The provisions of this Section 5.09 (i) are intended to be
 for the benefit of, and will be enforceable by, each indemnified party,
 his or her heirs and his or her representatives and (ii) are in addition
 to, and not in substitution for, any other rights to indemnification or
 contribution that any such person may have by contract or otherwise. 
  
           SECTION 5.10.  Fees and Expenses.  (a)  Except as provided in
 this Section 5.10, all fees and expenses incurred in connection with the
 Merger, this Agreement, the Option Agreement and the transactions
 contemplated by this Agreement and the Option Agreement shall be paid by
 the party incurring such fees or expenses, whether or not the Merger is
 consummated, except that each of Lucent and Ascend shall bear and pay one-
 half of (1) the costs and expenses incurred in connection with the filing,
 printing and mailing of the Form S-4 and the Ascend Proxy Statement
 (including SEC filing fees) and (2) the filing fees for the premerger
 notification and report forms under the HSR Act.  Lucent shall file any
 return with respect to, and shall pay, any state or local taxes (including
 any penalties or interest with respect thereto), if any, which are
 attributable to the transfer of the beneficial ownership of Ascend's real
 property (collectively, the "Real Estate Transfer Taxes") as a result of
 the Merger (other than any such taxes that are solely the obligations of a
 stockholder of Ascend, in which case Ascend shall pay any such taxes). 
 Ascend shall cooperate with Lucent in the filing of such returns
 including, in the case of Ascend, supplying in a timely manner a complete
 list of all real property interests held by Ascend and any information
 with respect to such property that is reasonably necessary to complete
 such returns.  The fair market value of any real property of Ascend
 subject to the Real Estate Transfer Taxes shall be as agreed to between
 Lucent and Ascend. 
  
           (b)  In the event that (1) a bona fide Takeover Proposal shall
 have been made directly to the stockholders of Ascend generally or shall
 have otherwise become publicly known or any person shall have publicly
 announced an intention (whether or not conditional) to make a Takeover
 Proposal and thereafter this Agreement is terminated by either Lucent or
 Ascend pursuant to Section 7.01(b)(i) or (ii) or (2) this Agreement is
 terminated (x) by Ascend pursuant to Section 7.01(f) or (y) by Lucent
 pursuant to Section 7.01(d), then Ascend shall promptly, but in no event
 later than the date of such termination, pay Lucent a fee equal to
 $525 million (the "Termination Fee"), payable by wire transfer of same day
 funds; provided, however, that no Termination Fee shall be payable to
 Lucent pursuant to clause (1) of this paragraph (b) or pursuant to a
 termination by Lucent pursuant to Section 7.01(d) unless and until within
 7 months of such termination Ascend or any of its subsidiaries enters into
 any definitive agreement with respect to, or consummates, any Takeover
 Proposal (for the purposes of the foregoing proviso the term "Takeover
 Proposal" shall have the meaning assigned to such term in Section 4.02
 except that the references to "15%" in the definition of "Takeover
 Proposal" in Section 4.02(a) shall be deemed to be references to "50%" and
 "Takeover Proposal" shall only be deemed to refer to a transaction
 involving Ascend, or with respect to assets (including the shares of any
 subsidiary), Ascend and its subsidiaries, taken as a whole, and not any of
 its subsidiaries alone), in which event the Termination Fee shall be
 payable upon the first to occur of such events.  Notwithstanding the
 foregoing, if a Takeover Proposal shall have been made as described in
 clause (1) of this paragraph (b) and shall thereafter have been publicly
 unconditionally withdrawn by the maker thereof prior to the event giving
 rise to the termination of this Agreement referred to in clause (1) of
 this paragraph (b), no Termination Fee shall be payable by Ascend to
 Lucent unless Ascend or any of its subsidiaries enters into any definitive
 agreement with respect to, or consummates, any Takeover Proposal with the
 same maker or any of its affiliates within the period of time set forth in
 the proviso to the immediately preceding sentence.  Ascend acknowledges
 that the agreements contained in this Section 5.10(b) are an integral part
 of the transactions contemplated by this Agreement, and that, without
 these agreements, Lucent would not enter into this Agreement; accordingly,
 if Ascend fails promptly to pay the amount due pursuant to this
 Section 5.10(b), and, in order to obtain such payment, Lucent commences a
 suit which results in a judgment against Ascend for the fee set forth in
 this Section 5.10(b), Ascend shall pay to Lucent its costs and expenses
 (including attorneys' fees and expenses) in connection with such suit,
 together with interest on the amount of the fee at the prime rate of
 Citibank, N.A. in effect on the date such payment was required to be made. 
  
           SECTION 5.11.  Public Announcements.  Lucent and Ascend will
 consult with each other before issuing, and provide each other the
 opportunity to review, comment upon and concur with, any press release or
 other public statements with respect to the transactions contemplated by
 this Agreement, including the Merger and the Option Agreement, and shall
 not issue any such press release or make any such public statement prior
 to such consultation, except as either party may determine is required by
 applicable law, court process or by obligations pursuant to any listing
 agreement with any national securities exchange or national trading
 system.  The parties agree that the initial press release to be issued
 with respect to the transactions contemplated by this Agreement and the
 Option Agreement shall be in the form heretofore agreed to by the parties. 
  
           SECTION 5.12.  Affiliates.  As soon as practicable after the
 date hereof, Ascend shall deliver to Lucent a letter identifying all
 persons who are, at the time this Agreement is submitted for adoption by
 the stockholders of Ascend, "affiliates" of Ascend for purposes of
 Rule 145 under the Securities Act or for purposes of qualifying the Merger
 for pooling of interests accounting treatment under Opinion 16 of the
 Accounting Principles Board and applicable SEC rules and regulations. 
 Ascend shall use reasonable efforts to cause each such person to deliver
 to Lucent as of the Closing Date, a written agreement substantially in the
 form attached as Exhibit B hereto.  Lucent shall use reasonable efforts to
 cause all persons who are "affiliates" of Lucent for purposes of
 qualifying the Merger for pooling of interests accounting treatment under
 Opinion 16 of the Accounting Principles Board and applicable SEC rules and
 regulations to comply with the fourth paragraph of Exhibit B hereto. 
  
           SECTION 5.13.  NYSE Listing.  Lucent shall use reasonable
 efforts to cause the Lucent Common Stock issuable in the Merger to be
 approved for listing on the NYSE, subject to official notice of issuance,
 as promptly as practicable after the date hereof, and in any event prior
 to the Closing Date.  Ascend shall use reasonable efforts to cause the
 shares of Ascend Common Stock to be issued pursuant to the Option
 Agreement to be approved for listing on Nasdaq, subject to official notice
 of issuance, as promptly as practicable after the date hereof, and in any
 event prior to the Closing Date. 
  
           SECTION 5.14.  Stockholder Litigation.  Ascend shall give Lucent
 the opportunity to participate in the defense of any stockholder
 litigation against Ascend and/or its directors relating to the
 transactions contemplated by this Agreement and the Option Agreement. 
  
           SECTION 5.15.  Tax Treatment.  Each of Lucent and Ascend shall
 use reasonable efforts to cause the Merger to qualify as a reorganization
 under the provisions of Section 368 of the Code and to obtain the opinions
 of counsel referred to in Sections 6.02(c) and 6.03(c), including the
 execution of the letters of representation referred to therein. 
  
           SECTION 5.16.  Pooling of Interests.  Each of Ascend and Lucent
 shall use reasonable efforts to cause the transactions contemplated by
 this Agreement, including the Merger, and the Option Agreement to be
 accounted for as a pooling of interests under Opinion 16 of the Accounting
 Principles Board and applicable SEC rules and regulations, and Lucent's
 and Ascend's managements' conclusion that such accounting treatment is
 appropriate for the Merger to be concurred with by each of Ascend's and
 Lucent's auditors and by the SEC, respectively, and each of Ascend and
 Lucent agrees that it shall voluntarily take no action that would cause
 such accounting treatment not to be obtained. 
  

                                ARTICLE VI 
  
                           Conditions Precedent 
  
           SECTION 6.01.  Conditions to Each Party's Obligation To Effect
 the Merger.  The respective obligation of each party to effect the Merger
 is subject to the satisfaction or waiver on or prior to the Closing Date
 of the following conditions: 
  
           (a)  Ascend Stockholder Approval.  The Ascend Stockholder
      Approval shall have been obtained. 
  
           (b)  HSR Act.  The waiting period (and any extension thereof)
      applicable to the Merger under the HSR Act shall have been terminated
      or shall have expired. 
  
           (c)  No Litigation.  No judgment, order, decree, statute, law,
      ordinance, rule or regulation, entered, enacted, promulgated,
      enforced or issued by any court or other Governmental Entity of
      competent jurisdiction or other legal restraint or prohibition
      (collectively, "Restraints") shall be in effect, and there shall not
      be pending any suit, action or proceeding by any Governmental Entity
      (i) preventing the consummation of the Merger or (ii) which otherwise
      is reasonably likely to have a material adverse effect on Ascend or
      Lucent, as applicable; provided, however, that each of the parties
      shall have used its reasonable efforts to prevent the entry of any
      such Restraints and to appeal as promptly as possible any such
      Restraints that may be entered. 
  
           (d)  Form S-4.  The Form S-4 shall have become effective under
      the Securities Act and shall not be the subject of any stop order or
      proceedings seeking a stop order. 
  
           (e)  NYSE Listing.  The shares of Lucent Common Stock issuable
      to Ascend's stockholders as contemplated by this Agreement shall have
      been approved for listing on the NYSE, subject to official notice of
      issuance. 
  
           (f)  Pooling Letters.  Each of Lucent and Ascend shall have
      received letters, dated as of the Closing Date, in each case
      addressed to Lucent and Ascend, from Ernst & Young LLP and
      PricewaterhouseCoopers LLP stating in substance that pooling of
      interests accounting is appropriate for the Merger under Opinion 16
      of the Accounting Principles Board and applicable SEC rules and
      regulations. 
  
           SECTION 6.02.  Conditions to Obligations of Lucent and Sub.  The
 obligation of Lucent and Sub to effect the Merger is further subject to
 satisfaction or waiver of the following conditions: 
  
           (a)  Representations and Warranties.  The representations and
      warranties of Ascend set forth herein shall be true and correct both
      when made and at and as of the Closing Date, as if made at and as of
      such time (except to the extent expressly made as of an earlier date,
      in which case as of such date), except where the failure of such
      representations and warranties to be so true and correct (without
      giving effect to any limitation as to "materiality" or "material
      adverse effect" set forth therein) does not have, and is not
      reasonably likely to have, individually or in the aggregate, a
      material adverse effect on Ascend. 
  
           (b)  Performance of Obligations of Ascend.  Ascend shall have
      performed in all material respects all obligations required to be
      performed by it under this Agreement at or prior to the Closing Date. 
  
           (c)  Tax Opinions.  Lucent shall have received from Cravath,
      Swaine & Moore, counsel to Lucent, on the date on which the Form S-4
      is declared effective by the SEC and on the Closing Date, an opinion,
      in each case dated as of such respective date and stating that the
      Merger will qualify for U.S. federal income tax purposes as a
      reorganization within the meaning of Section 368(a) of the Code. The
      issuance of such opinion shall be conditioned upon the receipt by
      such tax counsel of customary representation letters from each of
      Lucent, Sub and Ascend, in each case, in form and substance
      reasonably satisfactory to such tax counsel. 
  
           SECTION 6.03.  Conditions to Obligations of Ascend.  The
 obligation of Ascend to effect the Merger is further subject to
 satisfaction or waiver of the following conditions: 
  
           (a)  Representations and Warranties.  The representations and
      warranties of Lucent and Sub set forth herein shall be true and
      correct both when made and at and as of the Closing Date, as if made
      at and as of such time (except to the extent expressly made as of an
      earlier date, in which case as of such date), except where the
      failure of such representations and warranties to be so true and
      correct (without giving effect to any limitation as to "materiality"
      or "material adverse effect" set forth therein) does not have, and is
      not reasonably likely to have, individually or in the aggregate, a
      material adverse effect on Lucent. 
  
           (b)  Performance of Obligations of Lucent and Sub.  Lucent and
      Sub shall have performed in all material respects all obligations
      required to be performed by them under this Agreement at or prior to
      the Closing Date. 
  
           (c)  Tax Opinions.  Ascend shall have received from Skadden,
      Arps, Slate, Meagher & Flom LLP, counsel to Ascend, on the date on
      which the Form S-4 is declared effective by the SEC and on the
      Closing Date, an opinion, in each case dated as of such respective
      date and stating that the Merger will qualify for U.S. federal income
      tax purposes as a reorganization within the meaning of Section 368(a)
      of the Code.  The issuance of such opinion shall be conditioned upon
      the receipt by such tax counsel of customary representation letters
      from each of Ascend, Sub and Lucent, in each case, in form and
      substance reasonably satisfactory to such tax counsel. 
  
           SECTION 6.04.  Frustration of Closing Conditions.  Neither
 Lucent, Sub nor Ascend may rely on the failure of any condition set forth
 in Section 6.01, 6.02 or 6.03, as the case may be, to be satisfied if such
 failure was caused by such party's failure to use reasonable efforts to
 consummate the Merger and the other transactions contemplated by this
 Agreement and the Option Agreement, as required by and subject to
 Section 5.05. 
  
  
                                ARTICLE VII 
  
                     Termination, Amendment and Waiver 
  
           SECTION 7.01.  Termination.  This Agreement may be terminated at
 any time prior to the Effective Time, whether before or after the Ascend
 Stockholder Approval: 
  
           (a) by mutual written consent of Lucent, Sub and Ascend; 
  
           (b) by either Lucent or Ascend: 
  
                (i) if the Merger shall not have been consummated by
           September 30, 1999; provided, however, that the right to
           terminate this Agreement pursuant to this Section 7.01(b)(i)
           shall not be available to any party whose failure to perform any
           of its obligations under this Agreement results in the failure
           of the Merger to be consummated by such time; 
  
               (ii) if the Ascend Stockholder Approval shall not have been
           obtained at a Ascend Stockholders Meeting duly convened therefor
           or at any adjournment or postponement thereof; or 
  
              (iii) if any Restraint having any of the effects set forth in
           Section 6.01(c) shall be in effect and shall have become final
           and nonappealable; provided that the party seeking to terminate
           this Agreement pursuant to this Section 7.01(b)(iii) shall have
           used reasonable efforts to prevent the entry of and to remove
           such Restraint; 
  
           (c) by Lucent, if Ascend shall have breached or failed to
      perform in any material respect any of its representations,
      warranties, covenants or other agreements contained in this
      Agreement, which breach or failure to perform (A) would give rise to
      the failure of a condition set forth in Section 6.02(a) or (b), and
      (B) is incapable of being cured by Ascend within thirty calendar
      days; 
  
           (d) by Lucent, if Ascend or any of its directors or officers
      shall participate in discussions or negotiations in breach (other
      than an immaterial breach) of Section 4.02; 
  
           (e) by Ascend, if Lucent shall have breached or failed to
      perform in any material respect any of its representations,
      warranties, covenants or other agreements contained in this
      Agreement, which breach or failure to perform (A) would give rise to
      the failure of a condition set forth in Section 6.03(a) or (b), and
      (B) is incapable of being cured by Lucent within thirty calendar
      days; or 
  
           (f) by Ascend in accordance with Section 4.02(b); provided that,
      in order for the termination of this Agreement pursuant to this
      paragraph (f) to be deemed effective, Ascend shall have complied with
      all provisions of Section 4.02, including the notice provisions
      therein, and with applicable requirements, including the payment of
      the Termination Fee, of Section 5.10. 
  
           SECTION 7.02.  Effect of Termination.  In the event of
 termination of this Agreement by either Ascend or Lucent as provided in
 Section 7.01, this Agreement shall forthwith become void and have no
 effect, without any liability or obligation on the part of Lucent or
 Ascend, other than the provisions of Section 3.01(p), Section 3.02(l), the
 last sentence of Section 5.04, Section 5.10, this Section 7.02 and
 Article VIII, which provisions survive such termination, and except to the
 extent that such termination results from the willful and material breach
 by a party of any of its representations, warranties, covenants or
 agreements set forth in this Agreement. 
  
           SECTION 7.03.  Amendment.  This Agreement may be amended by the
 parties at any time before or after the Ascend Stockholder Approval;
 provided, however, that after any such approval, there shall not be made
 any amendment that by law requires further approval by the stockholders of
 Ascend or the approval of the stockholders of Lucent without the further
 approval of such stockholders.  This Agreement may not be amended except
 by an instrument in writing signed on behalf of each of the parties. 
  
           SECTION 7.04.  Extension; Waiver.  At any time prior to the
 Effective Time, a party may (a) extend the time for the performance of any
 of the obligations or other acts of the other parties, (b) waive any
 inaccuracies in the representations and warranties of the other parties
 contained in this Agreement or in any document delivered pursuant to this
 Agreement or (c) subject to the proviso of Section 7.03, waive compliance
 by the other party with any of the agreements or conditions contained in
 this Agreement.  Any agreement on the part of a party to any such
 extension or waiver shall be valid only if set forth in an instrument in
 writing signed on behalf of such party.  The failure of any party to this
 Agreement to assert any of its rights under this Agreement or otherwise
 shall not constitute a waiver of such rights. 
  
           SECTION 7.05.  Procedure for Termination, Amendment, Extension
 or Waiver.  A termination of this Agreement pursuant to Section 7.01, an
 amendment of this Agreement pursuant to Section 7.03 or an extension or
 waiver pursuant to Section 7.04 shall, in order to be effective, require,
 in the case of Lucent or Ascend, action by its Board of Directors or, with
 respect to any amendment to this Agreement, the duly authorized committee
 of its Board of Directors to the extent permitted by law. 
  
  
                               ARTICLE VIII 
  
                            General Provisions 
  
           SECTION 8.01.  Nonsurvival of Representations and Warranties. 
 None of the representations and warranties in this Agreement or in any
 instrument delivered pursuant to this Agreement shall survive the
 Effective Time.  This Section 8.01 shall not limit any covenant or
 agreement of the parties which by its terms contemplates performance after
 the Effective Time. 
  
           SECTION 8.02.  Notices.  All notices, requests, claims, demands
 and other communications under this Agreement shall be in writing and
 shall be deemed given if delivered personally, telecopied (which is
 confirmed) or sent by overnight courier (providing proof of delivery) to
 the parties at the following addresses (or at such other address for a
 party as shall be specified by like notice): 
  
           (a) if to Lucent or Sub, to 
  
                Lucent Technologies Inc. 
                600 Mountain Avenue 
                Room 6A 311 
                Murray Hill, NJ 07974 
                 
                Telecopy No.:  Separately supplied 
  
                Attention:  Pamela F. Craven 
                            Vice President-Law 
  
                with a copy to: 
  
                Cravath, Swaine & Moore 
                Worldwide Plaza 
                825 Eighth Avenue 
                New York, NY 10019 
  
                Telecopy No.:  Separately supplied 
  
                Attention:  Robert A. Kindler 
                            Robert I. Townsend, III; and 
  
           (b) if to Ascend, to 
  
                Ascend Communications, Inc. 
                One Ascend Plaza 
                1701 Harbor Bay Parkway 
                Alameda, CA 94502 
                 
                Telecopy No.:  Separately supplied 
  
                Attention:  Frances M. Jewels 
                            Vice President and General Counsel 
  
                with a copy to: 
  
                Skadden, Arps, Slate, Meagher & Flom LLP 
                One Beacon Street 
                Boston, MA 02108 
  
                Telecopy No.:  Separately supplied 
  
                Attention:  Margaret A. Brown 
  
           SECTION 8.03.  Definitions.  For purposes of this Agreement: 
  
           (a) an "affiliate" of any person means another person that
      directly or indirectly, through one or more intermediaries, controls,
      is controlled by, or is under common control with, such first person,
      where "control" means the possession, directly or indirectly, of the
      power to direct or cause the direction of the management policies of
      a person, whether through the ownership of voting securities, by
      contract, as trustee or executor, or otherwise; 
  
           (b) "material adverse change" or "material adverse effect"
      means, when used in connection with Ascend or Lucent, any change,
      effect, event, occurrence or state of facts that is, or is reasonably
      likely to be, materially adverse to the business, financial condition
      or results of operations of such party and its subsidiaries taken as
      a whole, other than any change, effect, event, occurrence, state of
      facts or development (i) relating to the economy in general, (ii)
      relating to the industries in which such party operates in general,
      (iii) arising out of or resulting from actions contemplated by the
      parties in connection with, or which is attributable to, the
      announcement of this Agreement and the transactions contemplated
      hereby (including loss of personnel, customers or suppliers or the
      delay or cancelation of orders for products) or (iv) in the case of
      Ascend, litigation brought or threatened against Ascend or any member
      of its Board of Directors in respect of this Agreement; provided that
      the following in and of itself shall not be deemed to constitute a
      material adverse change or material adverse effect:  with respect to
      Lucent, a failure by Lucent to meet the revenue or earnings
      predictions of equity analysis as reflected in the First Call
      consensus estimate, or any other revenue or earnings predictions or
      expectations, for any period ending on or after the date of this
      Agreement, or, in the case of Ascend, a failure by Ascend to meet the
      revenue or earnings predictions of equity analysts as reflected in
      the First Call consensus estimate, or any other revenue or earnings
      predictions or expectations, for any period ending on or after the
      date of this Agreement (however, this proviso shall not exclude any
      underlying change, effect, event, occurrence, state of facts or
      developments which resulted in such failure to meet such estimates,
      predictions or expectations); 
  
           (c) "person" means an individual, corporation, partnership,
      limited liability company, joint venture, association, trust,
      unincorporated organization or other entity; 
  
           (d) a "subsidiary" of any person means another person, an amount
      of the voting securities, other voting ownership or voting
      partnership interests of which is sufficient to elect at least a
      majority of its Board of Directors or other governing body (or, if
      there are no such voting interests, 50% or more of the equity
      interests of which) is owned directly or indirectly by such first
      person; 
  
           (e) "knowledge" of any person which is not an individual means,
      with respect to any specific matter, the knowledge of such person's
      executive officers and other officers having primary responsibility
      for such matter, in each case obtained in the conduct of their duties
      in the ordinary course without special inquiry; and 
  
           (f) "business day" means any day other than Saturday, Sunday or
      any other day on which banks are legally permitted to be closed in
      New York. 
  
           SECTION 8.04.  Interpretation.  When a reference is made in this
 Agreement to an Article, Section or Exhibit, such reference shall be to an
 Article or Section of, or an Exhibit to, this Agreement unless otherwise
 indicated.  The table of contents and headings contained in this Agreement
 are for reference purposes only and shall not affect in any way the
 meaning or interpretation of this Agreement.  Whenever the words
 "include", "includes" or "including" are used in this Agreement, they
 shall be deemed to be followed by the words "without limitation".  The
 words "hereof", "herein" and "hereunder" and words of similar import when
 used in this Agreement shall refer to this Agreement as a whole and not to
 any particular provision of this Agreement.  All terms defined in this
 Agreement shall have the defined meanings when used in any certificate or
 other document made or delivered pursuant hereto unless otherwise defined
 therein.  The definitions contained in this Agreement are applicable to
 the singular as well as the plural forms of such terms and to the
 masculine as well as to the feminine and neuter genders of such term.  Any
 agreement, instrument or statute defined or referred to herein or in any
 agreement or instrument that is referred to herein means such agreement,
 instrument or statute as from time to time amended, modified or
 supplemented, including (in the case of agreements or instruments) by
 waiver or consent and (in the case of statutes) by succession of
 comparable successor statutes and references to all attachments thereto
 and instruments incorporated therein.  References to a person are also to
 its permitted successors and assigns. 
  
           SECTION 8.05.  Counterparts.  This Agreement may be executed in
 one or more counterparts, all of which shall be considered one and the
 same agreement and shall become effective when one or more counterparts
 have been signed by each of the parties and delivered to the other
 parties. 
  
           SECTION 8.06.  Entire Agreement; No Third-Party Beneficiaries. 
 This Agreement (including the documents and instruments referred to
 herein), the Option Agreement and the Confidentiality Agreement
 (a) constitute the entire agreement, and supersede all prior agreements
 and understandings, both written and oral, among the parties with respect
 to the subject matter of this Agreement and (b) except for the provisions
 of Article II, Section 5.06, Section 5.08(c), paragraph 2 of Section
 5.08(d) of the Ascend Disclosure Schedule and Section 5.09, are not
 intended to confer upon any person other than the parties any rights or
 remedies. 
  
           SECTION 8.07.  Governing Law.  This Agreement shall be governed
 by, and construed in accordance with, the laws of the State of Delaware,
 regardless of the laws that might otherwise govern under applicable
 principles of conflict of laws thereof. 
  
           SECTION 8.08.  Assignment.  Neither this Agreement nor any of
 the rights, interests or obligations under this Agreement shall be
 assigned, in whole or in part, by operation of law or otherwise by either
 of the parties hereto without the prior written consent of the other
 party.  Any assignment in violation of the preceding sentence shall be
 void.  Subject to the preceding two sentences, this Agreement will be
 binding upon, inure to the benefit of, and be enforceable by, the parties
 and their respective successors and assigns. 
  
           SECTION 8.09.  Enforcement.  The parties agree that irreparable
 damage would occur and that the parties would not have any adequate remedy
 at law 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
 an injunction or injunctions to prevent breaches of this Agreement and to
 enforce specifically the terms and provisions of this Agreement in any
 federal court located in the State of Delaware or in Delaware state court,
 this being in addition to any other remedy to which they are entitled at
 law or in equity.  In addition, each of the parties hereto (a) consents to
 submit itself to the personal jurisdiction of any federal court located in
 the State of Delaware or any Delaware state court in the event any dispute
 arises out of this Agreement or any of the transactions contemplated by
 this Agreement, (b) agrees that it will not attempt to deny or defeat such
 personal jurisdiction by motion or other request for leave from any such
 court, and (c) agrees that it will not bring any action relating to this
 Agreement or any of the transactions contemplated by this Agreement in any
 court other than a federal court sitting in the State of Delaware or a
 Delaware state court. 
  
           SECTION 8.10.  Headings.  The headings contained in this
 Agreement are for reference purposes only and shall not affect in any way
 the meaning or interpretation of this Agreement. 
  
           SECTION 8.11.  Severability.  If any term or other provision of
 this Agreement is invalid, illegal or incapable of being enforced by any
 rule of law or public policy, all other conditions and provisions of this
 Agreement shall nevertheless remain in full force and effect.  Upon such
 determination that any term or other provision is invalid, illegal or
 incapable of being enforced, the parties hereto shall negotiate in good
 faith to modify this Agreement so as to effect the original intent of the
 parties as closely as possible to the fullest extent permitted by
 applicable law in an acceptable manner to the end that the transactions
 contemplated hereby are fulfilled to the extent possible. 
  


           IN WITNESS WHEREOF, Lucent, Sub and Ascend have caused this
 Agreement to be signed by their respective officers thereunto duly
 authorized, all as of the date first written above. 
  
                             LUCENT TECHNOLOGIES INC., 
  
                             by
                               /s/ Richard A. McGinn 
                               ---------------------------
                             Name:  Richard A. McGinn 
                             Title: Chief Executive Officer 
  
  
                             DASHER MERGER INC., 
  
                             by 
                               /s/ Pamela F. Craven  
                               ---------------------------------
                             Name:  Pamela F. Craven 
                             Title: Vice President and 
                                    Secretary 
  
  
                             ASCEND COMMUNICATIONS, INC., 
  
                             by 
                               /s/ Mory Ejabat 
                               --------------------------------  
                             Name:  Mory Ejabat 
                             Title: President and Chief 
                                    Executive Officer 




                                                                   ANNEX I 
                                                   TO THE MERGER AGREEMENT 
  
  
  
  
                          Index of Defined Terms 
  
  
 Term                         Page            Term                    Page 
 ----                         ----            ----                    ---- 
 
 Acquisition Agreement . . . .  38      Intellectual Property 
 Adjusted Option . . . . . . .  44        Rights  . . . . . . . . . .  23 
 affiliate . . . . . . . . . .  57      knowledge . . . . . . . . . .  58 
 Agreement . . . . . . . . . .   1      Liens . . . . . . . . . . . .  10 
 Applicable Period . . . . . .  37      Lucent  . . . . . . . . . . . . 1 
 Ascend  . . . . . . . . . . .   1      Lucent Authorized Preferred 
 Ascend Authorized Preferred              Stock . . . . . . . . . . .  25 
   Stock . . . . . . . . . . .  10      Lucent Common Stock . . . . . . 4 
 Ascend Benefit Plans  . . . .  18      Lucent Disclosure Schedule  .  25 
 Ascend Common Stock . . . . .   1      Lucent Filed SEC Documents  .  29 
 Ascend Disclosure Schedule  .   9      Lucent Junior Preferred  
 Ascend Filed SEC Documents  .  16        Stock . . . . . . . . . . .  25 
 Ascend Permits  . . . . . . .  17      Lucent Permits  . . . . . . .  30 
 Ascend Proxy Statement  . . .  13      Lucent Plans  . . . . . . . .  46 
 Ascend SEC Documents  . . . .  14      Lucent Rights . . . . . . . .  26 
 Ascend Stock Options  . . . .  11      Lucent Rights Agreement . . .  26 
 Ascend Stock Plans  . . . . .  11      Lucent SEC Documents  . . . .  28 
 Ascend Stockholder Approval .  22      Lucent Stock Plans  . . . . .  25 
 Ascend Stockholders Meeting .  41      material adverse change . . .  57 
 Benefits Date . . . . . . . .  45      material adverse effect . . .  57 
 business day  . . . . . . . .  59      Merger  . . . . . . . . . . . . 1 
 Certificate of Merger . . . .   2      Merger Consideration  . . . . . 4 
 Certificates  . . . . . . . .   5      Nasdaq  . . . . . . . . . . .  14 
 Closing . . . . . . . . . . .   2      NYSE  . . . . . . . . . . . . . 7 
 Closing Date  . . . . . . . .   2      Option Agreement  . . . . . . . 1 
 Code  . . . . . . . . . . . .   1      Parachute Gross-Up Payment  .  20 
 Common Shares Trust . . . . .   7      person  . . . . . . . . . . .  58 
 Confidentiality Agreement . .  42      Real Estate Transfer Taxes  .  48 
 Continuation Period . . . . .  45      Restraints  . . . . . . . . .  51 
 control . . . . . . . . . . .  57      SARs  . . . . . . . . . . . .  11 
 DGCL  . . . . . . . . . . . .   2      SEC . . . . . . . . . . . . .  10 
 Effective Time  . . . . . . .   2      Section 4.02 Notice . . . . .  38 
 ERISA . . . . . . . . . . . .  18      Securities Act  . . . . . . .  14 
 Excess Shares . . . . . . . .   7      Sub . . . . . . . . . . . . . . 1 
 Exchange Act  . . . . . . . .  13      subsidiary  . . . . . . . . .  58 
 Exchange Agent  . . . . . . .   4      Superior Proposal . . . . . .  39 
 Exchange Fund . . . . . . . .   4      Surviving Corporation . . . . . 2 
 Exchange Ratio  . . . . . . .   3      Takeover Proposal . . . . . .  38 
 Form S-4  . . . . . . . . . .  15      taxes . . . . . . . . . . . .  21 
 Governmental Entity . . . . .  13      Termination Fee . . . . . . .  48 
 HSR Act . . . . . . . . . . .  13      
  


                                                                 EXHIBIT A 
                                                   TO THE MERGER AGREEMENT 
  
  
           Certificate of Incorporation of Surviving Corporation 
  
                                 RESTATED 
  
                       CERTIFICATE OF INCORPORATION 
  
                                    OF 
  
                        ASCEND COMMUNICATIONS, INC. 
  
  
      FIRST:  The name of the corporation (hereinafter called the
 "corporation") is Ascend Communications, Inc. 
  
      SECOND:  The address, including street, number, city, and county, of
 the registered office of the corporation in the State of Delaware is 1209
 Orange Street, Wilmington, Delaware 19801, County of New Castle; and the
 name of the registered agent of the corporation in the State of Delaware
 at such address is The Corporation Trust Company. 
  
      THIRD:  The purpose of the corporation is to engage in any lawful act
 or activity for which corporations may be organized under the General
 Corporation Law of the State of Delaware. 
  
      FOURTH:  The total number of shares of stock which the corporation
 shall have authority to issue is one thousand, with a par value of $.01
 per share.  All such shares are of one class and are shares of Common
 Stock. 
  
      FIFTH:  The corporation is to have perpetual existence. 
  
      SIXTH:  Whenever a compromise or arrangement is proposed between this
 corporation and its creditors or any class of them and/or between this
 corporation and its stockholders or any class of them, any court of
 equitable jurisdiction within the State of Delaware may, on the
 application in a summary way of this corporation or of any creditor or
 stockholder thereof or on the application of any receiver or receivers
 appointed for this corporation under the provisions of section291 of Title
 8 of the Delaware Code or on the application of trustees in dissolution or
 of any receiver or receivers appointed for this corporation under the
 provisions of section279 of Title 8 of the Delaware Code order a meeting
 of the creditors or class of creditors, and/or of the stockholders or
 class of stockholders of this corporation, as the case may be, to be
 summoned in such manner as the said court directs.  If a majority in
 number representing three fourths in value of the creditors or class of
 creditors and/or of the stockholders or class of stockholders of this
 corporation, as the case may be, agree to any compromise or arrangement
 and to any reorganization of this corporation as consequence of such
 compromise or arrangement, the said compromise or arrangement and the said
 reorganization shall, if sanctioned by the court to which the said
 application has been made, be binding on all the creditors or class of
 creditors, and/or on all the stockholders or class of stockholders, of
 this corporation, as the case may be, and also on this corporation. 
  
      SEVENTH:  For the management of the business and for the conduct of
 the affairs of the corporation, and in further definition, limitation, and
 regulation of the powers of the corporation and of its directors and of
 its stockholders or any class thereof, as the case may be, it is further
 provided: 
  
      1.  The management of the business and the conduct of the affairs of
  the corporation shall be vested in its Board of Directors.  The number
  of directors which shall constitute the whole Board of Directors shall
  be fixed by, or in the manner provided in, the Bylaws.  The phrase
  "whole Board" and the phrase "total number of directors" shall be deemed
  to have the same meaning, to wit, the total number of directors which
  the corporation would have if there were no vacancies.  No election of
  directors need be by written ballot. 
  
      2.  After the original or other Bylaws of the corporation have been
  adopted, amended, or repealed, as the case may be, in accordance with
  the provisions of section109 of the General Corporation Law of the State
  of Delaware, and, after the corporation has received any payment for any
  of its stock, the power to adopt, amend, or repeal the Bylaws of the
  corporation may be exercised by the Board of Directors of the
  corporation; provided, however, that any provision for the
  classification of directors of the corporation for staggered terms
  pursuant to the provisions of subsection (d) of section141 of the
  General Corporation Law of the State of Delaware shall be set forth in
  an initial Bylaw or in a Bylaw adopted by the stockholders entitled to
  vote of the corporation unless provisions for such classification shall
  be set forth in this certificate of incorporation. 
  
      3.  Whenever the corporation shall be authorized to issue only one
  class of stock, each outstanding share shall entitle the holder thereof
  to notice of, and the right to vote at, any meeting of stockholders. 
  Whenever the corporation shall be authorized to issue more than one
  class of stock, no outstanding share of any class of stock which is
  denied voting power under the provisions of the certificate of
  incorporation shall entitle the holder thereof to the right to vote at
  any meeting of stockholders except as the provisions of paragraph (2) of
  subsection (b) of section242 of the General Corporation Law of the State
  of Delaware shall otherwise require; provided, that no share of any such
  class which is otherwise denied voting power shall entitle the holder
  thereof to vote upon the increase or decrease in the number of
  authorized shares of said class. 
  
      EIGHTH:  The personal liability of the directors of the corporation
 is hereby eliminated to the fullest extent permitted by the provisions of
 paragraph (7) of subsection (b) of section102 of the General Corporation
 Law of the State of Delaware, as the same may be amended and supplemented. 
  
      NINTH:  The corporation shall, to the fullest extent permitted by the
 provisions of section145 of the General Corporation Law of the State of
 Delaware, as the same may be amended and supplemented, 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, and the indemnification
 provided for herein shall not be deemed exclusive of any other rights to
 which those indemnified may be entitled under any Bylaw, agreement, vote
 of stockholders or disinterested directors or otherwise, both as to action
 in an official capacity and as to action in another capacity while holding
 such office, and 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. 
  
      TENTH:  From time to time any of the provisions of this certificate
 of incorporation may be amended, altered, or repealed, and other
 provisions authorized by the laws of the State of Delaware at the time in
 force may be added or inserted in the manner and at the time prescribed by
 said laws, and all rights at any time conferred upon the stockholders of
 the corporation by this certificate of incorporation are granted subject
 to the provisions of this Article TENTH.



                                                                 EXHIBIT B 
                                                   TO THE MERGER AGREEMENT 

                         Form of Affiliate Letter 
  
  
 Dear Sirs: 
  
      The undersigned, a holder of shares of common stock, par value $.001
 per share ("Ascend Common Stock"), of Ascend Communications, Inc., a
 Delaware corporation ("Ascend"), is entitled to receive in connection with
 the merger (the "Merger") of a subsidiary of Lucent Technologies Inc., a
 Delaware corporation ("Lucent"), with and into Ascend, securities of
 Lucent, as the parent of the surviving corporation in the Merger (the
 "Parent Securities").  The undersigned acknowledges that the undersigned
 may be deemed an "affiliate" of Ascend within the meaning of Rule 145
 ("Rule 145") promulgated under the Securities Act of 1933, as amended (the
 "Securities Act"), by the Securities and Exchange Commission (the "SEC")
 and may be deemed an "affiliate" of Ascend for purposes of qualifying the
 Merger for pooling of interests accounting treatment under Opinion 16 of
 the Accounting Principles Board and applicable SEC rules and regulations,
 although nothing contained herein should be construed as an admission of
 either such fact. 
  
      If in fact the undersigned were an affiliate under the Securities
 Act, the undersigned's ability to sell, assign or transfer the Parent
 Securities received by the undersigned in exchange for any shares of
 Ascend Common Stock in connection with the Merger may be restricted unless
 such transaction is registered under the Securities Act or an exemption
 from such registration is available.  The undersigned understands that
 such exemptions are limited and the undersigned has obtained or will
 obtain advice of counsel as to the nature and conditions of such
 exemptions, including information with respect to the applicability to the
 sale of such securities of Rules 144 and 145(d) promulgated under the
 Securities Act.  The undersigned understands that Lucent will not be
 required to maintain the effectiveness of any registration statement under
 the Securities Act for the purposes of resale of Parent Securities by the
 undersigned. 
  
      The undersigned hereby represents to and covenants with Lucent that
 the undersigned will not sell, assign or transfer any of the Parent
 Securities received by the undersigned in exchange for shares of Ascend
 Common Stock in connection with the Merger except (i) pursuant to an
 effective registration statement under the Securities Act, (ii) in
 conformity with the volume and other limitations of Rule 145 or (iii) in a
 transaction which, in the opinion of counsel to Lucent or as described in
 a "no-action" or interpretive letter from the Staff of the SEC
 specifically issued with respect to a transaction to be engaged in by the
 undersigned, is not required to be registered under the Securities Act;
 provided, however, that in any such case, such sale, assignment or
 transfer shall only be permitted if, in the opinion of counsel of Lucent,
 such transaction would not have, directly or indirectly, any adverse
 consequences for Lucent with respect to the treatment of the Merger for
 tax purposes. 
  
      The undersigned hereby further represents to and covenants with
 Lucent that the undersigned has not, within the preceding 30 days, sold,
 transferred or otherwise disposed of any shares of Ascend Common Stock
 held by the undersigned and that the undersigned will not sell, transfer
 or otherwise dispose of any Parent Securities received by the undersigned
 in connection with the Merger until after such time as results covering at
 least 30 days of post-Merger combined operations of Ascend and Lucent have
 been published by Lucent, in the form of a quarterly earnings report, an
 effective registration statement filed with the SEC, a report to the SEC
 on Form 10-K, 10-Q or 8-K, or any other public filing or announcement
 which includes such combined results of operations, except as would not
 otherwise reasonably be expected to adversely affect the qualification of
 the Merger as a pooling-of-interests. 
  
      In the event of a sale or other disposition by the undersigned of
 Parent Securities pursuant to Rule 145, the undersigned will supply Lucent
 with evidence of compliance with such Rule, in the form of a letter in the
 form of Annex I hereto and the opinion of counsel or no-action letter
 referred to above.  The undersigned understands that Lucent may instruct
 its transfer agent to withhold the transfer of any Parent Securities
 disposed of by the undersigned, but that (provided such transfer is not
 prohibited by any other provision of this letter agreement) upon receipt
 of such evidence of compliance, Lucent shall cause the transfer agent to
 effectuate the transfer of the Parent Securities sold as indicated in such
 letter. 
  
      Lucent covenants that it will take all such actions as may be
 reasonably available to it to permit the sale or other disposition of
 Parent Securities by the undersigned under Rule 145 in accordance with the
 terms thereof. 
  
      The undersigned acknowledges and agrees that the legends set forth
 below will be placed on certificates representing Parent Securities
 received by the undersigned in connection with the Merger or held by a
 transferee thereof, which legends will be removed by delivery of
 substitute certificates upon receipt of an opinion in form and substance
 reasonably satisfactory to Lucent from independent counsel reasonably
 satisfactory to Lucent to the effect that such legends are no longer
 required for purposes of the Securities Act. 
  
      There will be placed on the certificates for Parent Securities issued
 to the undersigned, or any substitutions therefor, a legend stating in
 substance: 
  
      "The shares represented by this certificate were issued pursuant to a
  business combination which is being accounted for as a pooling of
  interests, in a transaction to which Rule 145 promulgated under the
  Securities Act of 1933 applies.  The shares have not been acquired by
  the holder with a view to, or for resale in connection with, any
  distribution thereof within the meaning of the Securities Act of 1933. 
  The shares may not be sold, pledged or otherwise transferred (i) until
  such time as Lucent Technologies Inc. shall have published financial
  results covering at least 30 days of combined operations after the
  Effective Time and (ii) except in accordance with an exemption from the
  registration requirements of the Securities Act of 1933." 
  
      The undersigned acknowledges that (i) the undersigned has carefully
 read this letter and understands the requirements hereof and the
 limitations imposed upon the distribution, sale, transfer or other
 disposition of Parent Securities and (ii) the receipt by Lucent of this
 letter is an inducement to Lucent's obligations to consummate the Merger. 
  
  
                                             Very truly yours, 
  
  
  
 Dated: 



                                                                   ANNEX I 
                                                              TO EXHIBIT B 

 [Name]                                                             [Date] 
  
  
      On                    , the undersigned sold the securities of Lucent
 Technologies Inc., a Delaware corporation ("Lucent"), described below in
 the space provided for that purpose (the "Securities").  The Securities
 were received by the undersigned in connection with the merger of a
 subsidiary of Lucent with and into Ascend Communications, Inc., a Delaware
 corporation. 
  
      Based upon the most recent report or statement filed by Lucent with
 the Securities and Exchange Commission, the Securities sold by the
 undersigned were within the prescribed limitations set forth in paragraph
 (e) of Rule 144 promulgated under the Securities Act of 1933, as amended
 (the "Securities Act"). 
  
      The undersigned hereby represents that the Securities were sold in
 "brokers' transactions" within the meaning of Section 4(4) of the
 Securities Act or in transactions directly with a "market maker" as that
 term is defined in Section 3(a)(38) of the Securities Exchange Act of
 1934, as amended.  The undersigned further represents that the undersigned
 has not solicited or arranged for the solicitation of orders to buy the
 Securities, and that the undersigned has not made any payment in
 connection with the offer or sale of the Securities to any person other
 than to the broker who executed the order in respect of such sale. 
  
  
                                 Very truly yours, 
  
   
  
         [Space to be provided for description of the Securities.]






                                                                Exhibit 4.1 
  
                                                             CONFORMED COPY 


                     STOCK OPTION AGREEMENT dated as of January 12, 1999
                (the "Agreement"), by and between ASCEND COMMUNICATIONS,
                INC., a Delaware corporation ("Issuer"), and LUCENT
                TECHNOLOGIES INC., a Delaware corporation ("Grantee"). 
  
  
                                  RECITALS 
  
           A.  Grantee, Dasher Merger Inc., a wholly owned subsidiary of
 Grantee ("Sub"), and Issuer have entered into an Agreement and Plan of
 Merger dated as of the date hereof (the "Merger Agreement"; defined terms
 used but not defined herein have the meanings set forth in the Merger
 Agreement), providing for, among other things, the merger of Sub with and
 into Issuer, with Issuer as the surviving corporation in the Merger and
 becoming a wholly owned subsidiary of Grantee; and 
  
           B.  As a condition and inducement to Grantee's willingness to
 enter into the Merger Agreement, Grantee has requested that Issuer agree,
 and Issuer has agreed, to grant Grantee the Option (as defined below). 
  
           NOW, THEREFORE, in consideration of the foregoing and the
 respective representations, warranties, covenants and agreements set forth
 herein, Issuer and Grantee agree as follows: 
  
           1.  Grant of Option.  Subject to the terms and conditions set
 forth herein, Issuer hereby grants to Grantee an irrevocable option (the
 "Option") to purchase up to 43,832,749 (as adjusted as set forth herein)
 shares (the "Option Shares") of Common Stock, par value $.001 per share
 ("Issuer Common Stock"), of Issuer at a purchase price of $89.00 (as
 adjusted as set forth herein) per Option Share (the "Purchase Price"). 
  
           2.  Exercise of Option.  (a)  Grantee may exercise the Option,
 with respect to any or all of the Option Shares at any time or times,
 subject to the provisions of Section 2(c), after the occurrence of any
 event as a result of which the Grantee is unconditionally entitled to
 receive the Termination Fee pursuant to Section 5.10(b) of the Merger
 Agreement (a "Purchase Event"); provided, however, that (i) except as
 provided in the last sentence of this Section 2(a), the Option will
 terminate and be of no further force and effect upon the earliest to occur
 of (A) the Effective Time, (B) 15 business days after the first occurrence
 of a Purchase Event, and (C) termination of the Merger Agreement in
 accordance with its terms prior to the occurrence of a Purchase Event,
 unless, in the case of clause (C), Grantee has the right to receive a
 Termination Fee following such termination upon the occurrence of certain
 events, in which case the Option will not terminate until the later of
 (x) 15 business days following the time such Termination Fee becomes
 unconditionally payable and (y) the expiration of the period in which the
 Grantee has such right to receive a Termination Fee, and (ii) any purchase
 of Option Shares upon exercise of the Option will be subject to compliance
 with the HSR Act and the obtaining or making of any consents, approvals,
 orders, notifications, filings or authorizations, the failure of which to
 have obtained or made would have the effect of making the issuance of
 Option Shares to Grantee illegal (the "Regulatory Approvals"). 
 Notwithstanding the termination of the Option, Grantee will be entitled to
 purchase the Option Shares if it has exercised the Option in accordance
 with the terms hereof prior to the termination of the Option and the
 termination of the Option will not affect any rights hereunder which by
 their terms do not terminate or expire prior to or as of such termination. 
  
           (b)  In the event that Grantee is entitled to and wishes to
 exercise the Option, it will send to Issuer a written notice (an "Exercise
 Notice"; the date of which being herein referred to as the "Notice Date")
 to that effect which Exercise Notice also specifies the number of Option
 Shares, if any, Grantee wishes to purchase pursuant to this Section 2(b),
 the number of Option Shares, if any, with respect to which Grantee wishes
 to exercise its Cash-Out Right (as defined herein) pursuant to
 Section 6(c), the denominations of the certificate or certificates
 evidencing the Option Shares which Grantee wishes to purchase pursuant to
 this Section 2(b) and a date (an "Option Closing Date"), subject to the
 following sentence, not earlier than seven business days nor later than 20
 business days from the Notice Date for the closing of such purchase (an
 "Option Closing").  Any Option Closing will be at an agreed location and
 time in New York, New York on the applicable Option Closing Date or at such
 later date as may be necessary so as to comply with the first sentence of
 Section 2(a). 
  
           (c)  Notwithstanding anything to the contrary contained herein,
 any exercise of the Option and purchase of Option Shares shall be subject
 to compliance with applicable laws and regulations, which may prohibit the
 purchase of all the Option Shares specified in the Exercise Notice without
 first obtaining or making certain Regulatory Approvals.  In such event, if
 the Option is otherwise exercisable and Grantee wishes to exercise the
 Option, the Option may be exercised in accordance with Section 2(b) and
 Grantee shall acquire the maximum number of Option Shares specified in the
 Exercise Notice that Grantee is then permitted to acquire under the
 applicable laws and regulations, and if Grantee thereafter obtains the
 Regulatory Approvals to acquire the remaining balance of the Option Shares
 specified in the Exercise Notice, then Grantee shall be entitled to acquire
 such remaining balance.  Issuer agrees to use its reasonable efforts to
 assist Grantee in seeking the Regulatory Approvals. 
  
           In the event (i) Grantee receives official notice that a
 Regulatory Approval required for the purchase of any Option Shares will not
 be issued or granted or (ii) such Regulatory Approval has not been issued
 or granted within six months of the date of the Exercise Notice, Grantee
 shall have the right to exercise its Cash-Out Right pursuant to
 Section 6(c) with respect to the Option Shares for which such Regulatory
 Approval will not be issued or granted or has not been issued or granted. 
  
           3.  Payment and Delivery of Certificates.  (a)  At any Option
 Closing, Grantee will pay to Issuer in immediately available funds by wire
 transfer to a bank account designated in writing by Issuer an amount equal
 to the Purchase Price multiplied by the number of Option Shares to be
 purchased at such Option Closing plus the amount of any transfer, stamp or
 other similar taxes or charges imposed in connection therewith. 
  
           (b)  At any Option Closing, simultaneously with the delivery of
 immediately available funds as provided in Section 3(a), Issuer will
 deliver to Grantee a certificate or certificates representing the Option
 Shares to be purchased at such Option Closing, which Option Shares will be
 free and clear of all liens, claims, charges and encumbrances of any kind
 whatsoever.  If at the time of issuance of Option Shares pursuant to an
 exercise of the Option hereunder, Issuer shall have issued any securities
 similar to rights under a stockholder rights plan, then each Option Share
 issued pursuant to such exercise will also represent such a corresponding
 right with terms substantially the same as and at least as favorable to
 Grantee as are provided under any such stockholder rights plan then in
 effect. 
  
           (c)  Certificates for the Option Shares delivered at an Option
 Closing will have typed or printed thereon a restrictive legend which will
 read substantially as follows: 
  
      "THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
      REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY BE
      REOFFERED OR SOLD ONLY IF SO REGISTERED OR IF AN EXEMPTION FROM SUCH
      REGISTRATION IS AVAILABLE.  SUCH SECURITIES ARE ALSO SUBJECT TO
      ADDITIONAL RESTRICTIONS ON TRANSFER AS SET FORTH IN THE STOCK OPTION
      AGREEMENT DATED AS OF JANUARY 12, 1999, A COPY OF WHICH MAY BE
      OBTAINED FROM THE SECRETARY OF ASCEND COMMUNICATIONS, INC. AT ITS
      PRINCIPAL EXECUTIVE OFFICES." 
  
 It is understood and agreed that (i) the reference to restrictions arising
 under the Securities Act in the above legend will be removed by delivery of
 substitute certificate(s) without such reference if such Option Shares have
 been registered pursuant to the Securities Act, such Option Shares have
 been sold in reliance on and in accordance with Rule 144 under the
 Securities Act or Grantee has delivered to Issuer a copy of a letter from
 the staff of the SEC, or an opinion of counsel in form and substance
 reasonably satisfactory to Issuer and its counsel, to the effect that such
 legend is not required for purposes of the Securities Act and (ii) the
 reference to restrictions pursuant to this Agreement in the above legend
 will be removed by delivery of substitute certificate(s) without such
 reference if the Option Shares evidenced by certificate(s) containing such
 reference have been sold or transferred in compliance with the provisions
 of this Agreement under circumstances that do not require the retention of
 such reference. 
  
           4.  Representations and Warranties of Issuer.  Issuer hereby
 represents and warrants to Grantee as follows: 
  
           Authorized Stock.  Issuer has taken all necessary corporate and
      other action to authorize and reserve and, subject to the expiration
      or termination of any required waiting period under the HSR Act, to
      permit it to issue, and, at all times from the date hereof until the
      obligation to deliver Option Shares upon the exercise of the Option
      terminates, shall have reserved for issuance, upon exercise of the
      Option, shares of Issuer Common Stock necessary for Grantee to
      exercise the Option, and Issuer will take all necessary corporate
      action to authorize and reserve for issuance all additional shares of
      Issuer Common Stock or other securities which may be issued pursuant
      to Section 6 upon exercise of the Option.  The shares of Issuer Common
      Stock to be issued upon due exercise of the Option, including all
      additional shares of Issuer Common Stock or other securities which may
      be issuable upon exercise of the Option or any other securities which
      may be issued pursuant to Section 6, upon issuance pursuant hereto,
      will be duly and validly issued, fully paid and nonassessable, and
      will be delivered free and clear of all liens, claims, charges and
      encumbrances of any kind or nature whatsoever, including without
      limitation any preemptive rights of any stockholder of Issuer. 
  
           5.  Representations and Warranties of Grantee.  Grantee hereby
 represents and warrants to Issuer that: 
  
           Purchase Not for Distribution.  Any Option Shares or other
      securities acquired by Grantee upon exercise of the Option will not be
      transferred or otherwise disposed of except in a transaction
      registered, or exempt from registration, under the Securities Act. 
  
           6.  Adjustment upon Changes in Capitalization, Etc.  (a)  In the
 event of any change in Issuer Common Stock by reason of a stock dividend,
 split-up, merger, recapitalization, combination, exchange of shares, or
 similar transaction, the type and number of shares or securities subject to
 the Option, and the Purchase Price thereof, will be adjusted appropriately,
 and proper provision will be made in the agreements governing such
 transaction, so that Grantee will receive upon exercise of the Option the
 number and class of shares or other securities or property that Grantee
 would have received in respect of Issuer Common Stock if the Option had
 been exercised immediately prior to such event or the record date therefor,
 as applicable.  Subject to Section 1, and without limiting the parties'
 relative rights and obligations under the Merger Agreement, if any
 additional shares of Issuer Common Stock are issued after the date of this
 Agreement (other than pursuant to an event described in the first sentence
 of this Section 6(a)), the number of shares of Issuer Common Stock subject
 to the Option will be adjusted so that, after such issuance, it equals
 19.9% of the number of shares of Issuer Common Stock then issued and
 outstanding, without giving effect to any shares subject to or issued
 pursuant to the Option. 
  
           (b)  Without limiting the parties' relative rights and
 obligations under the Merger Agreement, in the event that Issuer enters
 into an agreement (i) to consolidate with or merge into any person, other
 than Grantee or one of its subsidiaries, and Issuer will not be the
 continuing or surviving corporation in such consolidation or merger,
 (ii) to permit any person, other than Grantee or one of its subsidiaries,
 to merge into Issuer and Issuer will be the continuing or surviving
 corporation, but in connection with such merger, the shares of Issuer
 Common Stock outstanding immediately prior to the consummation of such
 merger will be changed into or exchanged for stock or other securities of
 Issuer or any other person or cash or any other property, or the shares of
 Issuer Common Stock outstanding immediately prior to the consummation of
 such merger will, after such merger, represent less than 50% of the
 outstanding voting securities of the merged company, or (iii) to sell or
 otherwise transfer all or substantially all of its assets to any person,
 other than Grantee or one of its subsidiaries, then, and in each such case,
 the agreement governing such transaction will make proper provision so that
 the Option will, upon the consummation of any such transaction and upon the
 terms and conditions set forth herein, be converted into, or exchanged for,
 an option with identical terms appropriately adjusted to acquire the number
 and class of shares or other securities or property that Grantee would have
 received in respect of Issuer Common Stock if the Option had been exercised
 immediately prior to such consolidation, merger, sale, or transfer, or the
 record date therefor, as applicable and make any other necessary
 adjustments. 
  
           (c)  If, at any time during the period commencing on a Purchase
 Event and ending on the termination of the Option in accordance with
 Section 2, Grantee sends to Issuer an Exercise Notice indicating Grantee's
 election to exercise its right (the "Cash-Out Right") pursuant to this
 Section 6(c), then Issuer shall pay to Grantee, on the Option Closing Date,
 in exchange for the cancellation of the Option with respect to such number
 of Option Shares as Grantee specifies in the Exercise Notice, an amount in
 cash equal to such number of Option Shares multiplied by the difference
 between (i) the average closing price, for the 10 trading days commencing
 on the 12th trading day immediately preceding the Option Closing Date, per
 share of Issuer Common Stock as reported on The Nasdaq National Market (or,
 if not listed on The Nasdaq National Market, as reported on any other
 national securities exchange or national securities quotation system on
 which the Issuer Common Stock is listed or quoted, as reported in The Wall
 Street Journal (Northeast edition), or, if not reported thereby, any other
 authoritative source) (the "Closing Price") and (ii) the Purchase Price. 
 Notwithstanding the termination of the Option, Grantee will be entitled to
 exercise its rights under this Section 6(c) if it has exercised such rights
 in accordance with the terms hereof prior to the termination of the Option. 
  
           (d)  (i) Notwithstanding any other provision of this Agreement,
 in no event shall Grantee's Total Profit (as hereinafter defined) plus any
 Termination Fee paid to Grantee pursuant to Section 5.10(b) of the Merger
 Agreement exceed in the aggregate $625 million and, if the total amount
 that otherwise would be received by Grantee would exceed such amount,
 Grantee, at its election, shall either (a) reduce the number of shares of
 Issuer Common Stock subject to the Option, (b) deliver to Issuer for
 cancellation shares of Issuer Common Stock previously purchased by Grantee,
 (c) pay cash to Issuer or (d) take any action representing any combination
 of the preceding clauses (a), (b) and (c), so that Grantee's actually
 realized Total Profit, when aggregated with such Termination Fee so paid to
 Grantee, shall not exceed $625 million after taking into account the
 foregoing actions. 
  
      (ii)  Notwithstanding any other provision of this Agreement, the
 Option may not be exercised for a number of Option Shares as would, as of
 the date of exercise, result in a Notional Total Profit (as defined below)
 which, together with any Termination Fee theretofore paid to Grantee, would
 exceed $625 million; provided, that nothing in this sentence shall restrict
 any exercise of the Option permitted hereby on any subsequent date. 
  
      (iii)  As used herein, the term "Total Profit" shall mean the
 aggregate amount (before taxes) of the following:  (A) the amount received
 by Grantee pursuant to Issuer's repurchase of the Option (or any portion
 thereof) pursuant to the exercise of the Cash-Out Right under Section 6(c)
 and (B)(x) the net cash amounts or the fair market value of any property
 received by Grantee pursuant to the sale of Option Shares (or other
 securities). 
  
      (iv)  As used herein, the term "Notional Total Profit" with respect to
 any number of Option Shares as to which Grantee may propose to exercise the
 Option shall be the Total Profit determined as of the date of such proposal
 assuming for such purpose that the Option was exercised on such date for
 such number of Option Shares and assuming that such Option Shares, together
 with all other Option Shares held by Grantee and its affiliates as of such
 date, were sold for cash at the closing market price on The Nasdaq National
 Market (or, if shares of Issuer Common Stock are not then listed or traded
 on The Nasdaq National Market, on any other national securities exchange or
 national quotation system on which shares of Issuer Common Stock are so
 listed or traded) for shares of Issuer Common Stock as of the close of
 business on the preceding trading day (less customary brokerage
 commissions). 
  
           7.  Registration Rights.  Issuer will, if requested by Grantee at
 any time and from time to time within two years of the exercise of the
 Option, as expeditiously as possible prepare and file up to three
 registration statements under the Securities Act if such registration is
 necessary in order to permit the sale or other disposition of any or all
 shares of securities that have been acquired by or are issuable to Grantee
 upon exercise of the Option in accordance with the intended method of sale
 or other disposition stated by Grantee, including a "shelf" registration
 statement under Rule 415 under the Securities Act or any successor
 provision, and Issuer will use its best efforts to qualify such shares or
 other securities under any applicable state securities laws.  Grantee
 agrees to cause, and to cause any underwriters of any sale or other
 disposition to cause, any sale or other disposition pursuant to such
 registration statement to be effected on a widely distributed basis so that
 upon consummation thereof no purchaser or transferee will own beneficially
 more than 3.0% of the then-outstanding voting power of Issuer.  Issuer will
 use reasonable efforts to cause each such registration statement to become
 effective, to obtain all consents or waivers of other parties which are
 required therefor, and to keep such registration statement effective for
 such period not in excess of 120 calendar days from the day such
 registration statement first becomes effective as may be reasonably
 necessary to effect such sale or other disposition.  The obligations of
 Issuer hereunder to file a registration statement and to maintain its
 effectiveness may be suspended for up to 120 calendar days in the aggregate
 if the Board of Directors of Issuer shall have determined that the filing
 of such registration statement or the maintenance of its effectiveness
 would require premature disclosure of material nonpublic information that
 would materially and adversely affect Issuer or otherwise interfere with or
 adversely affect any pending or proposed offering of securities of Issuer
 or any other material transaction involving Issuer.  Any registration
 statement prepared and filed under this Section 7, and any sale covered
 thereby, will be at Issuer's expense except for underwriting discounts or
 commissions, brokers' fees and the fees and disbursements of Grantee's
 counsel related thereto.  Grantee will provide all information reasonably
 requested by Issuer for inclusion in any registration statement to be filed
 hereunder.  If, during the time periods referred to in the first sentence
 of this Section 7, Issuer effects a registration under the Securities Act
 of Issuer Common Stock for its own account or for any other stockholders of
 Issuer (other than on Form S-4 or Form S-8, or any successor form), it will
 allow Grantee the right to participate in such registration, and such
 participation will not affect the obligation of Issuer to effect demand
 registration statements for Grantee under this Section 7; provided that, if
 the managing underwriters of such offering advise Issuer in writing that in
 their opinion the number of shares of Issuer Common Stock requested to be
 included in such registration exceeds the number which can be sold in such
 offering, Issuer will include the shares requested to be included therein
 by Grantee pro rata with the shares intended to be included therein by
 Issuer.  In connection with any registration pursuant to this Section 7,
 Issuer and Grantee will provide each other and any underwriter of the
 offering with customary representations, warranties, covenants,
 indemnification, and contribution in connection with such registration. 
  
           If a requested registration pursuant to this Section 7 involves
 an underwritten offering, the underwriter or underwriters thereof shall be
 a nationally recognized firm or firms selected by Issuer.  Notwithstanding
 anything else contained in this Section 7, each requested registration
 shall be for a number of shares of Issuer Common Stock which represent at
 least one-fourth of the total of number of shares of Issuer Common Stock
 purchased by Grantee hereunder. 
  
           8.  Transfers.  The Option Shares may not be sold, assigned,
 transferred, or otherwise disposed of except (i) in an underwritten public
 offering as provided in Section 7 or (ii) to any purchaser or transferee
 who would not, to the knowledge of Grantee after reasonable inquiry (which
 shall include obtaining a representation from the purchaser or transferee),
 immediately following such sale, assignment, transfer or disposal,
 beneficially own more than 3.0% of the then-outstanding voting power of the
 Issuer; provided, however, that Grantee shall be permitted to sell any
 Option Shares if such sale is made pursuant to a tender or exchange offer
 that has been approved or recommended by a majority of the members of the
 Board of Directors of Issuer (which majority shall include a majority of
 directors who were directors as of the date hereof).   
  
           9.  Listing.  If Issuer Common Stock or any other securities to
 be acquired upon exercise of the Option are then listed on The Nasdaq
 National Market (or any other national securities exchange or national
 securities quotation system), Issuer, upon the request of Grantee, will
 promptly file an application to list the shares of Issuer Common Stock or
 other securities to be acquired upon exercise of the Option on The Nasdaq
 National Market (and any such other national securities exchange or
 national securities quotation system) and will use reasonable efforts to
 obtain approval of such listing as promptly as practicable. 
  
           10.  Loss or Mutilation.  Upon receipt by Issuer of evidence
 reasonably satisfactory to it of the loss, theft, destruction or mutilation
 of this Agreement, and (in the case of loss, theft or destruction) of
 reasonably satisfactory indemnification, and upon surrender and
 cancellation of this Agreement, if mutilated, Issuer will execute and
 deliver a new Agreement of like tenor and date.  Any such new Agreement
 executed and delivered will constitute an additional contractual obligation
 on the part of Issuer, whether or not the Agreement so lost, stolen,
 destroyed, or mutilated shall at any time be enforceable by anyone. 
  
           11.  Miscellaneous.  (a)  Expenses.  Each of the parties hereto
 will bear and pay all costs and expenses incurred by it or on its behalf in
 connection with the transactions contemplated hereunder, including fees and
 expenses of its own financial consultants, investment bankers, accountants,
 and counsel. 
  
           (b)  Amendment.  This Agreement may not be amended, except by an
 instrument in writing signed on behalf of each of the parties. 
  
           (c)  Extension; Waiver.  Any agreement on the part of a party to
 waive any provision of this Agreement, or to extend the time for
 performance, will be valid only if set forth in an instrument in writing
 signed on behalf of such party.  The failure of any party to this Agreement
 to assert any of its rights under this Agreement or otherwise will not
 constitute a waiver of such rights. 
  
           (d)  Entire Agreement; No Third-Party Beneficiaries.  This
 Agreement, the Merger Agreement (including the documents and instruments
 attached thereto as exhibits or schedules or delivered in connection
 therewith) and the Confidentiality Agreement (i) constitute the entire
 agreement, and supersede all prior agreements and understandings, both
 written and oral, between the parties with respect to the subject matter of
 this Agreement, and (ii) except as provided in Section 8.06 of the Merger
 Agreement, are not intended to confer upon any person other than the
 parties any rights or remedies. 
  
           (e)  Governing Law.  This Agreement will be governed by, and
 construed in accordance with, the laws of the State of Delaware, regardless
 of the laws that might otherwise govern under applicable principles of
 conflict of laws thereof. 
  
           (f)  Notices.  All notices, requests, claims, demands, and other
 communications under this Agreement shall be sent in the manner and to the
 addresses set forth in the Merger Agreement. 
  
           (g)  Assignment.  Neither this Agreement, the Option nor any of
 the rights, interests, or obligations under this Agreement may be assigned
 or delegated, in whole or in part, by operation of law or otherwise, by
 Issuer or Grantee without the prior written consent of the other.  Any
 assignment or delegation in violation of the preceding sentence will be
 void.  Subject to the first and second sentences of this Section 11(g),
 this Agreement will be binding upon, inure to the benefit of, and be
 enforceable by, the parties and their respective successors and assigns. 
  
           (h)  Further Assurances.  In the event of any exercise of the
 Option by Grantee, Issuer and Grantee will execute and deliver all other
 documents and instruments and take all other actions that may be reasonably
 necessary in order to consummate the transactions provided for by such
 exercise. 
  
           (i)  Enforcement.  The parties agree that irreparable damage
 would occur and that the parties would not have any adequate remedy at law
 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 will be entitled to an
 injunction or injunctions to prevent breaches of this Agreement and to
 enforce specifically the terms and provisions of this Agreement in any
 Federal court located in the State of Delaware or in Delaware state court,
 the foregoing being in addition to any other remedy to which they are
 entitled at law or in equity.  In addition, each of the parties hereto
 (i) consents to submit itself to the personal jurisdiction of any Federal
 court located in the State of Delaware or any Delaware state court in the
 event any dispute arises out of this Agreement or any of the transactions
 contemplated by this Agreement, (ii) agrees that it will not attempt to
 deny or defeat such personal jurisdiction by motion or other request for
 leave from any such court, and (iii) agrees that it will not bring any
 action relating to this Agreement or any of the transactions contemplated
 by this Agreement in any court other than a Federal court sitting in the
 State of Delaware or a Delaware state court. 
  
           (j)  Severability.  If any term or other provision of this
 Agreement is invalid, illegal or incapable of being enforced by any rule of
 law or public policy, all other conditions and provisions of this Agreement
 shall nevertheless remain in full force and effect.  Upon such
 determination that any term or other provision is invalid, illegal or
 incapable of being enforced, the parties hereto shall negotiate in good
 faith to modify this Agreement so as to effect the original intent of the
 parties as closely as possible to the fullest extent permitted by
 applicable law in an acceptable manner to the end that the transactions
 contemplated hereby are fulfilled to the extent possible. 


           IN WITNESS WHEREOF, Issuer and Grantee have caused this Agreement
 to be signed by their respective officers thereunto duly authorized as of
 the day and year first written above. 
  
                                        ASCEND COMMUNICATIONS, INC., 
  

                                        by /s/ Mory Ejabat
                                           _____________________________
                                           Name:  Mory Ejabat 
                                           Title: President and Chief 
                                                    Executive Officer 
  
  
                                        LUCENT TECHNOLOGIES INC., 

  
                                        by /s/ Richard A. McGinn   
                                           _____________________________
                                           Name:  Richard A. McGinn 
                                           Title: Chief Executive Officer





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