ICOT CORPORATION
S-4/A, 1995-10-10
COMPUTER COMMUNICATIONS EQUIPMENT
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<PAGE>
   
    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON OCTOBER 10, 1995
    

                                                       REGISTRATION NO. 33-62023
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

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

   
                                AMENDMENT NO. 2
                                       TO
                                    FORM S-4
    

                             REGISTRATION STATEMENT

                                     UNDER

                           THE SECURITIES ACT OF 1933
                            ------------------------

                                ICOT CORPORATION

             (Exact name of registrant as specified in its charter)

<TABLE>
<S>                           <C>                           <C>
          DELAWARE                        3698                    94-1675494
(State or other jurisdiction  (Primary standard industrial     (I.R.S. employer
             of               classification code number)   identification number)
      incorporation or
       organization)
</TABLE>

          3801 ZANKER ROAD, SAN JOSE, CALIFORNIA 95150 (408) 433-3300
         (Address, including zip code, and telephone number, including
            area code, of registrant's principal executive offices)

                                  AAMER LATIF
                                ICOT CORPORATION
                                 P.O. BOX 5143
                                3801 ZANKER ROAD
                           SAN JOSE, CALIFORNIA 95150
                                 (408) 433-3300

                    (Name, address, including zip code, and
          telephone number, including area code, of agent for service)
           with copies of all orders, notices and communications to:

<TABLE>
<S>                                 <C>
         Sarah A. O'Dowd                       Eric J. Lapp
       Stephen C. Ferruolo                 William R. Schreiber
 Heller Ehrman White & McAuliffe       Gray Cary Ware & Freidenrich
      525 University Avenue                400 Hamilton Avenue
   Palo Alto, California 94301         Palo Alto, California 94301
          (415) 324-7000                      (415) 328-6561
</TABLE>

        APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:
   As soon as practicable after the Registration Statement becomes effective.

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

    If  any of the securities being registered on this Form are to be offered in
connection with the formation of a holding company and there is compliance  with
General Instruction G, check the following box. / /

- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
                                ICOT CORPORATION
                     CROSS-REFERENCE SHEET BETWEEN ITEMS IN
                      FORM S-4 AND PROSPECTUS PURSUANT TO
                         ITEM 501(B) OF REGULATION S-K

<TABLE>
<CAPTION>
 ITEM NO.                 FORM S-4 CAPTION                                  HEADING IN PROSPECTUS
- ----------  ---------------------------------------------  -------------------------------------------------------
<S>         <C>                                            <C>
Item 1.     Forepart of Registration Statement and
             Outside Front Cover Page of Prospectus......  Outside Front Cover Page of Prospectus/Proxy Statement
Item 2.     Inside Front and Outside Back Cover Pages of
             Prospectus..................................  Available Information; Table of Contents
Item 3.     Risk Factors, Ratio of Earnings to Fixed
             Charges and Other Information...............  Summary; Risk Factors; The Merger and Related
                                                            Transactions
Item 4.     Terms of the Transaction.....................  Summary; Introduction; The Merger and Related
                                                            Transactions; Terms of the Merger; Description of ICOT
                                                            Capital Stock
Item 5.     Pro Forma Financial Information..............  Summary; Pro Forma Combined Condensed Financial
                                                            Statements
Item 6.     Material Contracts with the Company Being
             Acquired....................................  The Merger and Related Transactions
Item 7.     Additional Information Required for
             Reoffering by Persons and Parties Deemed to
             be Underwriters.............................  Inapplicable
Item 8.     Interests of Named Experts and Counsel.......  Experts; Legal Matters
Item 9.     Disclosure of Commission Position on
             Indemnification for Securities Act
             Liabilities.................................  Inapplicable
Item 10.    Information with Respect to S-3
             Registrants.................................  Inapplicable
Item 11.    Incorporation of Certain Information by
             Reference...................................  Inapplicable
Item 12.    Information with Respect to S-2 or S-3
             Registrants.................................  Inapplicable
Item 13.    Incorporation of Certain Information by
             Reference...................................  Inapplicable
Item 14.    Information with Respect to Registrants Other
             than S-2 or S-3 Registrants.................  Summary; Price Range of Common Stock; ICOT Selected
                                                            Consolidated Financial Data; Voting and Proxies;
                                                            Information Concerning ICOT; ICOT Management's
                                                            Discussion and Analysis of Financial Condition and
                                                            Results of Operations; ICOT Consolidated Financial
                                                            Statements
Item 15.    Information with Respect to S-3 Companies....  Inapplicable
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
 ITEM NO.                 FORM S-4 CAPTION                                  HEADING IN PROSPECTUS
- ----------  ---------------------------------------------  -------------------------------------------------------
Item 16.    Information with Respect to S-2 or S-3
             Companies...................................  Inapplicable
<S>         <C>                                            <C>
Item 17.    Information with Respect to Companies Other
             than S-2 or S-3 Companies...................  Summary; Amati Selected Financial Data; Voting and
                                                            Proxies; Amati Management's Discussion and Analysis of
                                                            Financial Condition and Results of Operations;
                                                            Information Concerning Amati; Amati Financial
                                                            Statements
Item 18.    Information if Proxies, Consents or
             Authorizations are to be Solicited..........  Summary; Voting and Proxies; Terms of the Merger;
                                                            Information Concerning ICOT; Information Concerning
                                                            Amati; Additional Matters for Consideration of ICOT
                                                            Stockholders
Item 19.    Information if Proxies, Consents or
             Authorizations are not to be Solicited, or
             in an Exchange Offer........................  Inapplicable
</TABLE>
<PAGE>
                     PRELIMINARY COPY -- FOR INFORMATION OF
                    SECURITIES AND EXCHANGE COMMISSION ONLY
                                ICOT CORPORATION
                                 P.O. BOX 5143
                                3801 ZANKER ROAD
                               SAN JOSE, CA 95150

   
                                                                 October  , 1995
    

Dear Stockholder:

   
    A  Special  Meeting  of  Stockholders (the  "Meeting")  of  ICOT Corporation
("ICOT") will be held at the principal executive offices of ICOT at 3801  Zanker
Road, San Jose, California, on November 6, 1995, at 1:30 p.m., local time.
    

   
    At  the Meeting, you will be asked to consider and vote upon the approval of
an Amended and  Restated Agreement  and Plan  of Reorganization  and Merger,  as
amended,  and related Agreement of  Merger (collectively the "Merger Agreement")
providing for  the merger  (the "Merger")  of Amati  Communications  Corporation
("Amati")  into a wholly-owned subsidiary of ICOT. Assuming Amati's satisfaction
of the Adjustment Condition (as defined in the Prospectus/Proxy Statement), ICOT
will issue or reserve  for issuance to  holders of Amati  securities a total  of
6,788,924  shares of  ICOT Common Stock,  and, as a  result of the  Merger, on a
fully diluted basis  the former Amati  securities holders will  hold 35% of  the
total  outstanding  common  stock  equivalents  of  ICOT  and  the  former  ICOT
securities holders will hold 65% of the outstanding common stock equivalents  of
ICOT.   In  addition,  following  the  Merger,  ICOT  will  issue  options  (the
"Performance Options") to purchase 1,616,411 shares of ICOT Common Stock to  key
employees of Amati. If approved by the stockholders of ICOT and the shareholders
of  Amati, the  Merger is expected  to be  consummated on or  about November 10,
1995. THE MERGER  CAN BE  COMPLETED ONLY IF  THE ICOT  STOCKHOLDERS APPROVE  THE
INCREASE  IN  THE AUTHORIZED  NUMBER  OF SHARES  OF  ICOT COMMON  STOCK  AND THE
INCREASE IN THE  NUMBER OF  SHARES AVAILABLE FOR  ISSUANCE UNDER  THE ICOT  1990
STOCK  OPTION PLAN, EACH OF  WHICH IS BEING PROPOSED  TO THE STOCKHOLDERS AT THE
MEETING.
    

    After  careful  consideration,  your  Board  of  Directors  has  unanimously
approved  the  Merger  Agreement  described in  the  attached  material  and the
transactions contemplated thereby and has concluded that they are fair to and in
the best  interests  of ICOT  and  its  stockholders. Your  Board  of  Directors
unanimously recommends a vote in favor of the Merger.

    At  the Meeting,  you will  also be  asked to  approve amendments  to ICOT's
Certificate of Incorporation to change the name of ICOT to "Amati Communications
Corporation" and to  increase the number  of authorized shares  of Common  Stock
from  20,000,000 to 45,000,000 shares.  In addition, at the  Meeting you will be
asked to approve amendments to the ICOT  1990 Stock Option Plan to increase  the
number of shares available for issuance under the ICOT 1990 Stock Option Plan by
2,600,000  shares and to limit  the number of shares that  may be granted to any
participant in any  one-year period to  1,000,000 shares. The  increases in  the
authorized  number of shares of  Common Stock and in  the shares available under
the 1990 Stock Option Plan are necessary  in order to complete the Merger.  Your
Board of Directors unanimously recommends a vote in favor of these amendments.

    In  the material accompanying this letter, you will find a Notice of Special
Meeting of Stockholders, a Prospectus/Proxy Statement relating to the actions to
be  taken  by  ICOT  stockholders  at   the  Meeting  and  a  proxy  card.   The
Prospectus/Proxy Statement more fully describes the proposed merger and includes
information   about  ICOT  and  Amati  and   about  certain  other  matters  for
consideration at the Meeting.

    All stockholders  are cordially  invited to  attend the  Meeting in  person.
However,  whether or not you plan to  attend the Meeting, please complete, sign,
date and return your proxy in the enclosed envelope. If you attend the  Meeting,
you  may vote in  person if you  wish, even though  you have previously returned
your proxy. It is  important that your  shares be represented  and voted at  the
Meeting.
<PAGE>
                                          Sincerely,
                                          Aamer Latif
                                          CHAIRMAN OF THE BOARD
<PAGE>
                                ICOT CORPORATION
                                 P.O. BOX 5143
                                3801 ZANKER ROAD
                               SAN JOSE, CA 95150
                   NOTICE OF SPECIAL MEETING OF STOCKHOLDERS

To the Stockholders of ICOT Corporation:

   
    A   Special  Meeting  of  Stockholders   of  ICOT  Corporation,  a  Delaware
corporation ("ICOT"), will  be held  at 1:30  p.m. on  November 6,  1995 at  the
principal executive offices of ICOT, 3801 Zanker Road, San Jose, California, for
the following purposes:
    

   
        1.     To  approve  an  Amended  and  Restated  Agreement  and  Plan  of
    Reorganization and  Merger dated  as  of August  3,  1995, as  amended,  and
    related  Agreement  of Merger,  among  ICOT, IA  Acquisition  Corporation, a
    California corporation and a wholly-owned  subsidiary of ICOT ("IAAC"),  and
    Amati   Communications  Corporation,  a  California  corporation  ("Amati"),
    pursuant to which Amati will be merged into IAAC (the "Merger"). As a result
    of the Merger and assuming Amati's satisfaction of the Adjustment  Condition
    (as  defined in the  Prospectus/Proxy Statement), on  a fully-diluted basis,
    the former Amati securities holders will  hold 35% of the total  outstanding
    common stock equivalents of ICOT and the former ICOT securities holders will
    hold  65% of the outstanding common  stock equivalents of ICOT. In addition,
    after the  Merger, ICOT  will  grant key  employees  of Amati  options  (the
    "Performance Options") to purchase 1,616,411 shares of ICOT Common Stock.
    

        2.   To  approve, subject  to approval  of the  Merger, an  amendment to
    ICOT's Certificate of Incorporation to change the name of the corporation to
    "Amati Communications Corporation."

        3.   To approve,  subject to  approval of  the Merger,  an amendment  to
    ICOT's  Certificate of  Incorporation to  increase the  authorized number of
    shares of Common Stock from 20,000,000 to 45,000,000 shares. AN INCREASE  IN
    THE  AUTHORIZED NUMBER OF  SHARES OF COMMON  STOCK IS NECESSARY  IN ORDER TO
    COMPLETE THE MERGER.

        4.   To approve  amendments to  the  ICOT 1990  Stock Option  Plan  (the
    "Plan")  to increase the  number of shares available  for issuance under the
    Plan by 2,600,000  shares and  to limit  the number  of shares  that may  be
    granted  to any participant  in any one-year period  to 1,000,000 shares. AN
    INCREASE IN THE NUMBER  OF SHARES AVAILABLE FOR  ISSUANCE UNDER THE PLAN  IS
    NECESSARY IN ORDER TO COMPLETE THE MERGER.

        5.   To  transact such  other business as  may properly  come before the
    meeting or any adjournment thereof.

    The  foregoing  items  of   business  are  more   fully  described  in   the
Prospectus/Proxy Statement accompanying this Notice.

   
    Only stockholders of record of ICOT Common Stock at the close of business on
September  29, 1995 are entitled to notice of  and to vote at the meeting or any
adjournment thereof.  Approval  of  the  Merger and  of  each  of  the  proposed
amendments to the Certificate of Incorporation will require the affirmative vote
of  the holders of a majority of the  shares of ICOT Common Stock outstanding on
the record date.
    

                                          BY ORDER OF THE
                                          BOARD OF DIRECTORS
                                          Terry Medel
                                          SECRETARY
   
San Jose, California
October  , 1995
    

    TO ENSURE THAT YOUR SHARES ARE REPRESENTED AT THE MEETING, YOU ARE URGED  TO
FILL  IN,  DATE  AND  SIGN  THE  ENCLOSED PROXY  AND  MAIL  IT  PROMPTLY  IN THE
POSTAGE-PAID ENVELOPE PROVIDED, WHETHER OR NOT YOU PLAN TO ATTEND THE MEETING IN
PERSON. YOUR PROXY CAN BE WITHDRAWN BY YOU AT ANY TIME BEFORE IT IS VOTED.
<PAGE>
                     PRELIMINARY COPY -- FOR INFORMATION OF
                    SECURITIES AND EXCHANGE COMMISSION ONLY
                        AMATI COMMUNICATIONS CORPORATION
                            1975 EL CAMINO REAL WEST
                        MOUNTAIN VIEW, CALIFORNIA 94040

   
                                                                 October  , 1995
    

Dear Shareholder:

   
    A Special Meeting  of Shareholders (the  "Meeting") of Amati  Communications
Corporation  ("Amati") will be held at Amati's principal executive offices, 1975
El Camino Real West,  Mountain View, California, on  October 27, 1995, at  10:00
a.m., local time.
    

   
    At  the Meeting, you will be asked to consider and vote upon the approval of
an Amended and Restated  Agreement and Plan of  Reorganization, as amended,  and
Merger  and related Agreement  of Merger (collectively,  the "Merger Agreement")
providing for the merger (the "Merger") of Amati into a wholly-owned  subsidiary
of  ICOT Corporation ("ICOT").  On consummation of  the Merger, each outstanding
share of Amati Common Stock and Series A Preferred Stock will be converted  into
shares  of ICOT  Common Stock  at the  exchange ratio  (the "Applicable Ratio").
Assuming that all holders of outstanding Amati bridge loans accept the Offer  to
Note  Holders  (as defined  in the  Prospectus/Proxy Statement),  the Applicable
Ratio is expected to  be 4.6126 shares  of ICOT Common Stock  for each share  of
Amati Common Stock and Amati Series A Preferred Stock. ICOT will also assume all
outstanding  options of Amati and issue  substitute warrants for all outstanding
warrants of Amati, all on  the basis of the  Applicable Ratio. 1,050,000 of  the
shares  of ICOT Common Stock to be issued in the Merger, allocated pro rata from
the shares to be issued to each holder of Amati Common Stock (including  holders
of  options or warrants who exercise prior to or as of the effective date of the
Merger) and Series A Preferred Stock, will be held in escrow for a period of one
year following the Merger  to indemnify ICOT against  damages and expenses  from
any  breach  of  the  representations  and  warranties  and  covenants  of Amati
contained in the Merger Agreement.
    

   
    After the  Merger, ICOT  will  grant key  employees  of Amati  options  (the
"Performance  Options") to  purchase 1,616,411 shares  of ICOT  Common Stock. If
approved by the shareholders  of Amati and stockholders  of ICOT, the Merger  is
expected to be consummated on or about November 10, 1995. After the Merger, ICOT
will change its name to "Amati Communications Corporation."
    

    After  careful  consideration,  your  Board  of  Directors  has  unanimously
approved the  Merger  Agreement  described  in the  attached  material  and  the
transactions contemplated thereby and has concluded that they are fair to and in
the  best  interests of  Amati  and its  shareholders.  Your Board  of Directors
unanimously recommends a vote in favor of the Merger.

    In the material accompanying this letter, you will find a Notice of  Special
Meeting of Shareholders, a Prospectus/Proxy Statement relating to the actions to
be  taken  by  Amati  shareholders  at  the  Meeting,  and  a  proxy  card.  The
Prospectus/Proxy Statement more fully describes the proposed Merger and includes
information about Amati and ICOT.

    All shareholders are cordially invited to  attend the Meeting in person.  If
you attend the Meeting, you may vote in person if you wish, even though you have
previously  returned your proxy. Whether or not  you plan to attend the Meeting,
it is  important that  your shares  be  represented and  voted at  the  Meeting,
regardless  of the number  you hold. Therefore, please  complete, sign, date and
return your proxy in the enclosed envelope.

                                          Sincerely,
                                          James F. Gibbons
                                          CHAIRMAN OF THE BOARD
<PAGE>
                     PRELIMINARY COPY -- FOR INFORMATION OF
                    SECURITIES AND EXCHANGE COMMISSION ONLY
                        AMATI COMMUNICATIONS CORPORATION
                            1975 EL CAMINO REAL WEST
                        MOUNTAIN VIEW, CALIFORNIA 94040
                   NOTICE OF SPECIAL MEETING OF SHAREHOLDERS

To the Shareholders of Amati Communications Corporation:

   
    A Special Meeting  of Shareholders  of Amati  Communications Corporation,  a
California  corporation ("Amati"),  will be held  at 10:00 a.m.,  on October 27,
1995, at the principal executive offices of  Amati at 1975 El Camino Real  West,
Mountain View, California 94040 for the following purposes:
    

   
        1.     To  approve  an  Amended  and  Restated  Agreement  and  Plan  of
    Reorganization and  Merger dated  as  of August  3,  1995, as  amended,  and
    related  Agreement of Merger, among ICOT Corporation, a Delaware corporation
    ("ICOT"),  IA  Acquisition  Corporation,  a  California  corporation  and  a
    wholly-owned subsidiary of ICOT ("IAAC"), and Amati, pursuant to which Amati
    will  be merged  into IAAC  (the "Merger").  In the  Merger each outstanding
    share of Amati Common Stock and Series A Preferred Stock (other than shares,
    if any,  as to  which dissenters'  rights have  been exercised  pursuant  to
    California  law) will be converted  into shares of ICOT  Common Stock at the
    exchange ratio  (the  "Applicable  Ratio"). Assuming  that  all  holders  of
    outstanding  Amati bridge loans accept the Offer to Note Holders (as defined
    in the Prospectus/Proxy Statement), the  Applicable Ratio is expected to  be
    4.6126  shares of ICOT Common Stock for each share of Amati Common Stock and
    Amati Series  A  Preferred Stock.  ICOT  will also  assume  all  outstanding
    options  of Amati and issue substitute warrants for all outstanding warrants
    of Amati, all on the basis of the Applicable Ratio. 1,050,000 of the  shares
    of ICOT Common Stock to be issued in the Merger, allocated pro rata from the
    shares  to be issued to each holder of Amati Common Stock (including holders
    of options or warrants who exercise prior to or as of the effective date  of
    the  Merger) and  Series A  Preferred Stock,  will be  held in  escrow for a
    period of one year  following the Merger to  indemnify ICOT against  damages
    and  expenses  from any  breach of  the  representations and  warranties and
    covenants of Amati contained in the Merger Agreement. After the Merger, ICOT
    will grant key  employees of  Amati options (the  "Performance Options")  to
    purchase 1,616,411 shares of ICOT Common Stock.
    

        2.   To  transact such  other business as  may properly  come before the
    meeting or an adjournment thereof.

    The  foregoing  items  of   business  are  more   fully  described  in   the
Prospectus/Proxy Statement accompanying this Notice.

    Only  shareholders of record at the close of business on August 30, 1995 are
entitled to notice of  and to vote  at the meeting  or any adjournment  thereof.
Approval  of the merger  will require the  affirmative vote of  the holders of a
majority of the shares of Amati Common Stock outstanding on the record date  and
of a majority of the shares of Amati Series A Preferred Stock outstanding on the
record date, each voting as a separate class.

                                          BY ORDER OF THE
                                          BOARD OF DIRECTORS
                                          John M. Cioffi
                                          SECRETARY
   
Mountain View, California
October  , 1995
    
<PAGE>
    TO  ENSURE THAT YOUR SHARES ARE REPRESENTED AT THE MEETING, YOU ARE URGED TO
FILL IN, DATE AND SIGN THE ENCLOSED  PROXY AND MAIL IT PROMPTLY IN THE  ENCLOSED
POSTAGE-PAID  ENVELOPE, WHETHER OR NOT YOU PLAN TO ATTEND THE MEETING IN PERSON.
YOUR PROXY CAN BE WITHDRAWN BY YOU AT ANY TIME BEFORE IT IS VOTED.
<PAGE>
                     PRELIMINARY COPY -- FOR INFORMATION OF
                    SECURITIES AND EXCHANGE COMMISSION ONLY
                        AMATI COMMUNICATIONS CORPORATION
                            1975 EL CAMINO REAL WEST
                        MOUNTAIN VIEW, CALIFORNIA 94040
                 NOTICE TO HOLDERS OF AMATI FAIR VALUE WARRANTS
   
                                                                 October  , 1995
    

Dear Warrant Holder:

   
    A Special Meeting  of the Shareholders  of Amati Communications  Corporation
("Amati")  will be  held on October  27, 1995,  for the purpose  of approving an
Amended and Restated Agreement and Plan of Reorganization and Merger, as amended
(the  "Agreement   of  Reorganization")   and   related  Agreement   of   Merger
(collectively,  the "Merger Agreement") providing  for the merger (the "Merger")
of Amati into a wholly-owned subsidiary of ICOT Corporation ("ICOT").
    

   
    If the Merger  is approved by  the shareholders, each  outstanding share  of
Amati Common Stock and Series A Preferred Stock will be converted into shares of
ICOT Common Stock. ICOT will also assume all outstanding options of Amati, issue
substitute  warrants  for  all  outstanding warrants  of  Amati,  and  grant key
employees of Amati options to purchase shares of ICOT Common Stock. 1,050,000 of
the shares of ICOT Common Stock to  be issued in the Merger, allocated pro  rata
from  the shares to  be issued to  each holder of  Amati Common Stock (including
holders of options or warrants who exercise prior to or as of the effective date
of the Merger) and Series A Preferred Stock, will be held in escrow for a period
of one year following the Merger to indemnify ICOT against damages and  expenses
from  any breach  of the representations  and warranties and  covenants of Amati
contained in the Merger Agreement.
    

    The  foregoing  items  of   business  are  more   fully  described  in   the
Prospectus/Proxy Statement accompanying this notice.

    The  purpose of  this letter is  to explain  to you the  consequences of the
Merger on you  as a holder  of a warrant  to purchase Amati  Series B  Preferred
Stock at fair market value (a "Fair Value Warrant").

    Each  Fair  Value Warrant  provides that  it shall  be exercisable  for that
number of  shares of  Amati Series  B  Preferred Stock  equal to  the  aggregate
exercise  price of the Fair  Value Warrant divided by  the purchase price of the
Amati Series B Preferred Stock issued at  the first closing of any such sale  of
Series  B Preferred Stock. Section 4 of each Fair Value Warrant provides for the
issuance  of,  upon  any  consolidation  or  merger  of  Amati  with  any  other
corporation,  substitute warrants for the shares  which would have been issuable
in exchange for the  shares then subject  to the Fair Value  Warrant, as if  the
holder  had  been  the owner  of  such  shares on  the  applicable  record date.
Accordingly, pursuant  to the  Merger  Agreement, for  each Fair  Value  Warrant
outstanding  at the effective time  of the Merger, ICOT  will issue a substitute
warrant (a "Substitute Warrant")  exercisable for the number  of shares of  ICOT
Common  Stock determined  by dividing the  aggregate exercise price  of the Fair
Value Warrant by $4.926, the average closing  price of ICOT Common Stock on  the
Nasdaq  National Market on  the five (5)  trading days preceding  the August 30,
1995 record date. The Substitute Warrant  will have an exercise price of  $4.926
per  share. The terms and conditions of the Substitute Warrant will otherwise be
the same  as those  of the  Fair Value  Warrant being  replaced. THE  SUBSTITUTE
WARRANT WILL NOT BE REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE
"SECURITIES  ACT"), AND THE HOLDER  THEREOF WILL NOT HAVE  ANY RIGHT TO REGISTER
THE SUBSTITUTE WARRANT OR THE SHARES TO BE RECEIVED UPON EXERCISE THEREOF.

    The exchange of unexercised Fair  Value Warrants for Substitute Warrants  in
the  Merger will result in taxable gain or loss to the holders of the Fair Value
Warrants at the effective date of  the Merger (the "Effective Date"). Such  gain
or  loss will be measured by the difference between the fair market value of the
Substitute Warrants and the holder's basis,  if any, in the Fair Value  Warrants
with  respect to which the  Substitute Warrants are received.  Such gain or loss
will be  capital gain  or loss  if  the Amati  stock for  which the  Fair  Value
Warrants  were exercisable would have been a  capital asset of the holder of the
Fair Value Warrants and will be long-term  if the Fair Value Warrants have  been
held for more than a year at the Effective Date of the Merger.

   
    A  Fair Value  Warrant may  be exercised in  whole or  in part  prior to the
closing of  the  Merger (the  "Closing")  by  surrendering the  warrant  at  the
principal  office of Amati, accompanied by payment  in full, in cash or by check
payable to the order of Amati Communications Corporation, of the purchase price,
AT ANY TIME BEFORE 5:00 P.M., CALIFORNIA  LOCAL TIME, ON NOVEMBER 3, 1995.  Upon
such exercise, immediately prior to the Closing you will receive shares of Amati
Common  Stock at  an exercise  price per  share equal  to $4.926  divided by the
Applicable Ratio (as  defined in the  Prospectus/Proxy Statement), which  shares
will  be  converted  in the  Merger  into shares  of  ICOT Common  Stock  at the
Applicable  Ratio.  Unless  you  specify  otherwise,  such  exercise  shall   be
conditioned upon the consummation of the Merger. THE SHARES OF ICOT COMMON STOCK
ISSUED  IN THE MERGER  WILL BE REGISTERED  UNDER THE SECURITIES  ACT AND WILL BE
SUBJECT TO THE ESCROW.
    
<PAGE>
                                          Sincerely,
                                          James F. Gibbons
                                          CHAIRMAN OF THE BOARD
<PAGE>
                     PRELIMINARY COPY -- FOR INFORMATION OF
                    SECURITIES AND EXCHANGE COMMISSION ONLY
                        AMATI COMMUNICATIONS CORPORATION
                            1975 EL CAMINO REAL WEST
                        MOUNTAIN VIEW, CALIFORNIA 94040
                   NOTICE TO HOLDERS OF AMATI $6.00 WARRANTS
   
                                                                 October  , 1995
    

Dear Warrant Holder:

   
    A Special Meeting  of the Shareholders  of Amati Communications  Corporation
("Amati")  will be  held on October  27, 1995,  for the purpose  of approving an
Amended and Restated Agreement and Plan of Reorganization and Merger, as amended
(the  "Agreement   of  Reorganization")   and   related  Agreement   of   Merger
(collectively,  the "Merger Agreement") providing  for the merger (the "Merger")
of Amati into a wholly-owned subsidiary of ICOT Corporation ("ICOT").
    

   
    If the Merger  is approved by  the shareholders, each  outstanding share  of
Amati Common Stock and Series A Preferred Stock will be converted into shares of
ICOT Common Stock. ICOT will also assume all outstanding options of Amati, issue
substitute  warrants  for  all  outstanding warrants  of  Amati,  and  grant key
employees of Amati options to purchase shares of ICOT Common Stock. 1,050,000 of
the shares of ICOT Common Stock to  be issued in the Merger, allocated pro  rata
from  the shares to  be issued to  each holder of  Amati Common Stock (including
holders of options or warrants who exercise prior to or as of the effective date
of the Merger) and Series A Preferred Stock, will be held in escrow for a period
of one year following the Merger to indemnify ICOT against damages and  expenses
from  any breach  of the representations  and warranties and  covenants of Amati
contained in the Merger Agreement.
    

    The  foregoing  items  of   business  are  more   fully  described  in   the
Prospectus/Proxy Statement accompanying this notice.

    The  purpose of  this letter is  to explain  to you the  consequences of the
Merger on you  as a holder  of a warrant  to purchase Amati  Series B  Preferred
Stock at an exercise price of $6.00 per share (a "$6 Warrant").

    Each  $6 Warrant provides  that it shall  be exercisable for  that number of
shares of Amati Series B Preferred  Stock equal to the aggregate exercise  price
of  the $6 Warrant divided by $6. Section  5 of each $6 Warrant provides for the
issuance  of,  upon  any  consolidation  or  merger  of  Amati  with  any  other
corporation,  substitute warrants for the shares  which would have been issuable
in exchange for the shares then subject to the $6 Warrant, as if the holder  had
been  the  owner of  such  shares on  the  applicable record  date. Accordingly,
pursuant to  the  Merger Agreement,  for  each  $6 Warrant  outstanding  at  the
effective  time  of  the  Merger,  ICOT  will  issue  a  substitute  warrant  (a
"Substitute Warrant") exercisable for the number of shares of ICOT Common  Stock
determined  by multiplying the number of shares of Amati subject to such warrant
at the effective time of the Merger  by the Applicable Ratio (as defined in  the
Prospectus/Proxy  Statement) at an exercise price  for each share of ICOT Common
Stock equal to the quotient  obtained by dividing the  $6 exercise price by  the
Applicable  Ratio, which  exercise price  per share shall  be rounded  up to the
nearest two place decimal.  The terms and conditions  of the Substitute  Warrant
will  otherwise  be the  same as  those of  the $6  Warrant being  replaced. THE
SUBSTITUTE WARRANT WILL NOT BE REGISTERED  UNDER THE SECURITIES ACT OF 1933,  AS
AMENDED  (THE "SECURITIES ACT"), AND THE HOLDER  THEREOF WILL NOT HAVE ANY RIGHT
TO REGISTER THE SUBSTITUTE  WARRANT OR THE SHARES  TO BE RECEIVED UPON  EXERCISE
THEREOF.

    The  exchange  of unexercised  $6 Warrants  for  Substitute Warrants  in the
Merger will result in taxable gain or loss to the holders of the $6 Warrants  at
the  effective date  of the Merger.  Such gain or  loss will be  measured by the
difference between the  fair market  value of  the Substitute  Warrants and  the
holder's  basis, if any, in the $6 Warrants with respect to which the Substitute
Warrants are received. Such  gain or loss  will be capital gain  or loss if  the
Amati stock for which the $6 Warrants were exercisable would have been a capital
asset  of the holder of the $6 Warrants and will be long-term if the $6 Warrants
have been held for more than a year at the Effective Date of the Merger.

   
    A $6 Warrant may be  exercised in whole or in  part prior to the closing  of
the  Merger  by  surrendering the  warrant  at  the principal  office  of Amati,
accompanied by payment  in full, in  cash or by  check payable to  the order  of
Amati Communications Corporation, of the purchase price, AT ANY TIME BEFORE 5:00
P.M.,  CALIFORNIA LOCAL TIME, ON NOVEMBER 3, 1995. Unless you specify otherwise,
such exercise shall  be conditioned  upon the  consummation of  the Merger.  THE
SHARES  OF ICOT COMMON STOCK  ISSUED IN THE MERGER  WILL BE REGISTERED UNDER THE
SECURITIES ACT AND WILL BE SUBJECT TO THE ESCROW.
    
<PAGE>
                                          Sincerely,
                                          James F. Gibbons
                                          CHAIRMAN OF THE BOARD
<PAGE>
                     PRELIMINARY COPY -- FOR INFORMATION OF
                    SECURITIES AND EXCHANGE COMMISSION ONLY

                        AMATI COMMUNICATIONS CORPORATION
                            1975 EL CAMINO REAL WEST
                        MOUNTAIN VIEW, CALIFORNIA 94040
                   NOTICE TO HOLDERS OF AMATI $9.00 WARRANTS
   
                                                                 October  , 1995
    

Dear Warrant Holder:

   
    A Special Meeting  of the Shareholders  of Amati Communications  Corporation
("Amati")  will be  held on October  27, 1995,  for the purpose  of approving an
Amended and Restated Agreement and Plan of Reorganization and Merger, as amended
(the  "Agreement   of  Reorganization")   and   related  Agreement   of   Merger
(collectively,  the "Merger Agreement") providing  for the merger (the "Merger")
of Amati into a wholly-owned subsidiary of ICOT Corporation ("ICOT").
    

   
    If the Merger  is approved by  the shareholders, each  outstanding share  of
Amati Common Stock and Series A Preferred Stock will be converted into shares of
ICOT Common Stock. ICOT will also assume all outstanding options of Amati, issue
substitute  warrants  for  all  outstanding warrants  of  Amati,  and  grant key
employees of Amati options to purchase shares of ICOT Common Stock. 1,050,000 of
the shares of ICOT Common Stock to  be issued in the Merger, allocated pro  rata
from  the shares to  be issued to  each holder of  Amati Common Stock (including
holders of options or warrants who exercise prior to or as of the effective date
of the Merger) and Series A Preferred Stock, will be held in escrow for a period
of one year following the Merger to indemnify ICOT against damages and  expenses
from  any breach  of the representations  and warranties and  covenants of Amati
contained in the Merger Agreement.
    

    The  foregoing  items  of   business  are  more   fully  described  in   the
Prospectus/Proxy Statement accompanying this notice.

    The  purpose of  this letter is  to explain  to you the  consequences of the
Merger on you  as a holder  of a warrant  to purchase Amati  Series B  Preferred
Stock at an exercise price of $9.00 per share (a "$9 Warrant").

    Each  $9 Warrant provides  that it shall  be exercisable for  that number of
shares of Amati Series B Preferred  Stock equal to the aggregate exercise  price
of  the $9 Warrant divided by $9. Section  5 of each $9 Warrant provides for the
issuance  of,  upon  any  consolidation  or  merger  of  Amati  with  any  other
corporation,  substitute warrants for the shares  which would have been issuable
in exchange for the shares then subject to the $9 Warrant, as if the holder  had
been  the  owner of  such  shares on  the  applicable record  date. Accordingly,
pursuant to  the  Merger Agreement,  for  each  $9 Warrant  outstanding  at  the
effective  time  of  the  Merger,  ICOT  will  issue  a  substitute  warrant  (a
"Substitute Warrant") exercisable for the number of shares of ICOT Common  Stock
determined  by multiplying the number of shares of Amati subject to such warrant
at the effective time of the Merger  by the Applicable Ratio (as defined in  the
Prospectus/Proxy  Statement) at an exercise price  for each share of ICOT Common
Stock equal to the quotient  obtained by dividing the  $9 exercise price by  the
Applicable  Ratio, which  exercise price  per share shall  be rounded  up to the
nearest two place decimal.  The terms and conditions  of the Substitute  Warrant
will  otherwise  be the  same as  those of  the $9  Warrant being  replaced. THE
SUBSTITUTE WARRANT WILL NOT BE REGISTERED  UNDER THE SECURITIES ACT OF 1933,  AS
AMENDED  (THE "SECURITIES ACT"), AND THE HOLDER  THEREOF WILL NOT HAVE ANY RIGHT
TO REGISTER THE SUBSTITUTE  WARRANT OR THE SHARES  TO BE RECEIVED UPON  EXERCISE
THEREOF.

    The  exchange  of unexercised  $9 Warrants  for  Substitute Warrants  in the
Merger will result in taxable gain or loss to the holders of the $9 Warrants  at
the  effective date  of the Merger.  Such gain or  loss will be  measured by the
difference between the  fair market  value of  the Substitute  Warrants and  the
holder's  basis, if any, in the $9 Warrants with respect to which the Substitute
Warrants are received. Such  gain or loss  will be capital gain  or loss if  the
Amati stock for which the $9 Warrants were exercisable would have been a capital
asset  of the holder of the $9 Warrants and will be long-term if the $9 Warrants
have been held for more than a year at the Effective Date of the Merger.

   
    A $9 Warrant may be  exercised in whole or in  part prior to the closing  of
the  Merger  by  surrendering the  warrant  at  the principal  office  of Amati,
accompanied by payment  in full, in  cash or by  check payable to  the order  of
Amati Communications Corporation, of the purchase price, AT ANY TIME BEFORE 5:00
P.M.,  CALIFORNIA LOCAL TIME, ON NOVEMBER 3, 1995. Unless you specify otherwise,
such exercise shall  be conditioned  upon the  consummation of  the Merger.  THE
SHARES  OF ICOT COMMON STOCK  ISSUED IN THE MERGER  WILL BE REGISTERED UNDER THE
SECURITIES ACT AND WILL BE SUBJECT TO THE ESCROW.
    
<PAGE>
                                          Sincerely,
                                          James F. Gibbons
                                          CHAIRMAN OF THE BOARD
                     PRELIMINARY COPY -- FOR INFORMATION OF
                    SECURITIES AND EXCHANGE COMMISSION ONLY
                        AMATI COMMUNICATIONS CORPORATION
                            1575 EL CAMINO REAL WEST
                        MOUNTAIN VIEW, CALIFORNIA 94040

                        NOTICE TO HOLDERS OF AMATI NOTES

   
                                                                 October  , 1995
    

Dear Note Holder:

   
    A Special  Meeting  of  Shareholders  of  Amati  Communications  Corporation
("Amati")  will be  held on October  27, 1995,  for the purpose  of approving an
Amended and  Restated Agreement  and  Plan of  Reorganization, as  amended  (the
"Agreement  of Reorganization")  and related Agreement  of Merger (collectively,
the "Merger Agreement") providing for the merger (the "Merger") of Amati into  a
wholly-owned subsidiary of ICOT Corporation ("ICOT").
    

   
    If  the Merger  is approved by  the shareholders, each  outstanding share of
Amati Common Stock and Series A Preferred Stock will be converted into shares of
ICOT Common Stock. ICOT will also assume all outstanding options of Amati, issue
substitute warrants  for  all  outstanding  warrants of  Amati,  and  grant  key
employees of Amati options to purchase shares of ICOT Common Stock. 1,050,000 of
the  shares of ICOT Common Stock to be  issued in the Merger, allocated pro rata
from the shares to  be issued to  each holder of  Amati Common Stock  (including
holders of options or warrants who exercise prior to or as of the effective date
of the Merger) and Series A Preferred Stock, will be held in escrow for a period
of  one year following the Merger to indemnify ICOT against damages and expenses
from any breach  of the representations  and warranties and  covenants of  Amati
contained in the Merger Agreement.
    

    The   foregoing  items  of   business  are  more   fully  described  in  the
Prospectus/Proxy Statement accompanying this notice.

    In order to  improve the cash  position of  the combined company  as of  the
closing of the Merger (the "Closing"), and also to meet a condition set forth in
the  Agreement of  Reorganization, Amati would  like to induce  holders of Amati
notes currently outstanding in the  aggregate principal amount of $745,000  (the
"Outstanding  Amati Notes") to extend  the due dates of  their notes. Holders of
Outstanding Amati Notes  who agree to  extend the payment  of the principal  and
interest on their notes until January 31, 1997 are being offered the opportunity
to  exercise their corresponding Amati warrants, effective as of the Closing, at
a reduced exercise price per  share. If you accept  this offer you will  receive
upon exercise of your warrant, effective as of the Closing, the number of shares
of ICOT Common Stock determined by dividing the aggregate purchase price of such
warrants by $1.50, at an exercise price of $1.50 per share, payable in cash. THE
SHARES  OF ICOT COMMON STOCK ISSUED AT  THE CLOSING WILL BE REGISTERED UNDER THE
SECURITIES ACT, AS  AMENDED (THE "SECURITIES  ACT") AND WILL  BE SUBJECT TO  THE
ESCROW DESCRIBED IN THE PROSPECTUS/PROXY STATEMENT.

   
    Federal  income tax treatment of holders who accept Amati's inducement offer
and exercise their warrants  upon consummation of the  Merger is unclear.  Among
other possibilities, it is possible that the Internal Revenue Service would view
the  making and acceptance of the inducement  offer as a taxable exchange of the
affected warrants, with the result that the holder would have a taxable gain  or
loss  in the amount of  the difference between (i) the  value of the ICOT shares
received in the Merger with respect to the exercise of the warrants and (ii) the
sum of the holder's basis in the warrant and the warrant exercise price. Another
possibility is that the making and acceptance of the inducement offer would  not
be  taxable to the holder  and that exercise of the  warrant in the Merger would
not result in taxable gain  or loss to the holder.  Due to uncertainties in  the
federal  income tax laws, which treatment would pertain cannot be predicted with
certainty. It  is  also  likely  that  the extension  of  the  due  date  of  an
Outstanding  Amati Note would be treated as an exchange of a new debt instrument
for the  existing debt  instrument, potentially  taxable to  the holder  to  the
extent  the value  of the  Outstanding Amati  Note at  the time  of the exchange
exceeds the holder's basis in such Note.
    

   
    An Outstanding Amati Note may be  extended and corresponding warrant may  be
exercised  for ICOT Common Stock  by delivering the note  and the warrant to the
principal office of Amati, accompanied by payment  in full, in cash or by  check
payable to the order of Amati Communications Corporation, of the exercise price,
AT  ANY TIME BEFORE 5:00 P.M., CALIFORNIA  LOCAL TIME, ON NOVEMBER 3, 1995. Such
exercise shall be conditioned upon the consummation of the Merger.
    

                                          Sincerely,
<PAGE>
                                          James F. Gibbons
                                          CHAIRMAN OF THE BOARD
<PAGE>
ICOT CORPORATION                                AMATI COMMUNICATIONS CORPORATION

                           PROSPECTUS/PROXY STATEMENT

   
    ICOT CORPORATION ("ICOT")  has filed  a Registration Statement  on Form  S-4
(the  "Registration Statement") with the Securities and Exchange Commission (the
"Commission")  pursuant  to  the  Securities  Act  of  1933,  as  amended   (the
"Securities Act") for the registration of 6,788,924 shares of its authorized but
unissued  Common Stock, $.20  par value per  share ("ICOT Common  Stock"), to be
issued in  connection with  the merger  (the "Merger")  of AMATI  COMMUNICATIONS
CORPORATION ("Amati") with a wholly-owned subsidiary of ICOT. As a result of the
Merger,  Amati will be  merged into a  wholly-owned subsidiary of  ICOT and each
outstanding share of Amati  Common Stock, no par  value ("Amati Common  Stock"),
and  each share of Amati Series A Preferred Stock, no par value ("Amati Series A
Preferred Stock" and, together  with the Amati Common  Stock, the "Amati  Voting
Stock"),  will be converted into the number of shares of ICOT Common Stock equal
to the Applicable Ratio  (as defined below). ICOT  will also assume  outstanding
Amati  stock  options  and  issue  substitute  warrants  for  outstanding  Amati
warrants, all on the basis of the Applicable Ratio. Assuming that the Adjustment
Condition (as  defined below)  is  satisfied, ICOT  will  issue or  reserve  for
issuance  to the holders of Amati Common  Stock, Amati Series A Preferred Stock,
Amati options and  Amati warrants 6,788,924  shares of ICOT  Common Stock,  and,
after the Merger, on a fully-diluted basis, former Amati securities holders will
hold  35% of  the total  outstanding common  stock equivalents  of ICOT  and the
former ICOT securities  holders will hold  65% of the  outstanding common  stock
equivalents  of ICOT. See "Terms of the Merger -- Manner and Basis of Converting
Shares," "Terms of the Merger -- Adjustment Condition," "Terms of the Merger  --
Amati  Stock Options" and "Terms of the  Merger -- Substitution of Warrants." In
addition, following  the  Merger,  ICOT will  issue  options  (the  "Performance
Options")  to purchase 1,616,411 shares of ICOT Common Stock to key employees of
Amati. See "Terms of the Merger -- Performance Options." 1,050,000 of the shares
of ICOT Common Stock  to be issued  in the Merger, allocated  pro rata from  the
shares  to be issued to each holder  of Amati Common Stock (including holders of
options or warrants who  exercise prior to  or as of the  effective date of  the
Merger) and Series A Preferred Stock, will be held in escrow for a period of one
year  following the Merger  to indemnify ICOT against  damages and expenses from
any breach  of  the  representations  and  warranties  and  covenants  of  Amati
contained  in  the Merger  Agreement.  See "Terms  of  the Merger  --  Escrow of
Shares." If approved by ICOT stockholders and Amati shareholders, the Merger  is
expected  to be consummated as soon as  practicable after the Special Meeting of
Stockholders of ICOT and the Special Meeting of Shareholders of Amati. After the
Merger, the name of ICOT will be changed to "Amati Communications Corporation."
    

    Holders of  Amati  Voting Stock  may,  under certain  circumstances  and  by
following  prescribed  statutory  procedures,  exercise  dissenters'  rights  to
receive cash for their shares. See "Terms of the Merger -- Dissenters' Rights."

   
    This Prospectus/Proxy Statement constitutes: (a) the Proxy Statement of ICOT
relating to the solicitation of  proxies by the Board  of Directors of ICOT  for
use  at the  Special Meeting  of Stockholders  of ICOT  scheduled to  be held on
November 6, 1995,  at which  the Merger and  several related  proposals will  be
presented to the ICOT stockholders; (b) the Proxy Statement of Amati relating to
the  solicitation of proxies by  the Board of Directors of  Amati for use at the
Special Meeting of Shareholders of Amati to be held on October 27, 1995; and (c)
the Prospectus of ICOT for  the related issuance of  ICOT Common Stock filed  as
part  of the Registration Statement. All information herein with respect to ICOT
has been furnished by ICOT, and all information herein with respect to Amati has
been furnished by Amati.
    
                           --------------------------

   
    THE MERGER INVOLVES CERTAIN RISKS TO  HOLDERS OF ICOT AND AMATI  SECURITIES.
SEE "RISK FACTORS" ON PAGES 13-18.
    
                           --------------------------
THE  SECURITIES OF ICOT TO BE ISSUED IN THE MERGER HAVE NOT BEEN APPROVED OR
    DISAPPROVED BY THE  SECURITIES AND  EXCHANGE COMMISSION  NOR HAS  THE
       COMMISSION  PASSED  UPON  THE ACCURACY  OR  ADEQUACY  OF THIS
            PROSPECTUS/PROXY STATEMENT. ANY REPRESENTATION TO THE
                             CONTRARY IS A CRIMINAL OFFENSE.
                            ------------------------

   
                 THE DATE OF THIS PROSPECTUS/PROXY STATEMENT IS
                                OCTOBER  , 1995
    
<PAGE>
                             AVAILABLE INFORMATION

    ICOT has  filed  with the  Commission  a Registration  Statement  under  the
Securities  Act on Form S-4 (together  with all amendments and exhibits thereto)
with respect to the Common Stock offered hereby. This Prospectus/Proxy Statement
does not contain all of the information set forth in the Registration  Statement
and the exhibits and schedules thereto, certain parts of which have been omitted
in  accordance with  the rules  and regulations  of the  Securities and Exchange
Commission.  For  such  information,  reference  is  made  to  the  Registration
Statement  and the exhibits and schedules  thereto. In addition, ICOT is subject
to the  information requirements  of the  Securities Exchange  Act of  1934,  as
amended  (the "Exchange Act"),  and in accordance therewith  is required to file
periodic reports, proxy  statements and other  information with the  Commission.
Copies of such materials may be obtained from the Commission at prescribed rates
by  addressing written requests for such  copies to the Public Reference Section
of  the  Commission,  450  Fifth  Street,  N.W.,  Washington,  D.C.  20549.  The
Registration  Statement and such reports, proxy statements and other information
can also be inspected and copied at the Commission's public reference facilities
referred to  above and  at  the Commission's  Regional Offices  at  Northwestern
Atrium  Center, 500  West Madison  Street, Chicago,  Illinois 60661  and 7 World
Trade Center, Suite 1300, New  York, New York 10008.  This material may also  be
inspected  at the  offices of  the National  Association of  Securities Dealers,
Inc., 1735 K Street, N.W., Washington, D.C. 20006.

                     INFORMATION PROVIDED BY ICOT AND AMATI

    Information in this Prospectus/Proxy concerning  ICOT has been furnished  by
ICOT  and  has  not  been  independently  verified  or  investigated  by  Amati.
Information in  this Prospectus/Proxy  concerning Amati  has been  furnished  by
Amati and has not been independently verified or investigated by ICOT.
                            ------------------------

    ICOT-Registered Trademark- and OmniPath-Registered Trademark- are trademarks
of  ICOT  Corporation. Ethernet-Registered  Trademark- is  a trademark  of Xerox
Corporation.  Windows-Registered  Trademark-   is  a   trademark  of   Microsoft
Corporation.

    NO   PERSON  IS  AUTHORIZED   TO  GIVE  ANY  INFORMATION   OR  TO  MAKE  ANY
REPRESENTATION OTHER THAN AS CONTAINED  HEREIN IN CONNECTION WITH THESE  MATTERS
AND,  IF GIVEN OR  MADE, SUCH INFORMATION  OR REPRESENTATION MUST  NOT BE RELIED
UPON AS HAVING BEEN AUTHORIZED BY ICOT OR AMATI. NEITHER THE DELIVERY HEREOF NOR
ANY DISTRIBUTION OF  SECURITIES MADE HEREUNDER  SHALL, UNDER ANY  CIRCUMSTANCES,
CREATE  AN IMPLICATION  THAT THERE HAS  BEEN NO  CHANGE IN THE  FACTS HEREIN SET
FORTH SINCE THE DATE HEREOF. THIS PROSPECTUS/PROXY STATEMENT DOES NOT CONSTITUTE
AN OFFER TO SELL OR A SOLICITATION OF AN OFFER TO BUY THE SECURITIES OFFERED  BY
THIS PROSPECTUS/PROXY STATEMENT OR A SOLICITATION OF A PROXY IN ANY JURISDICTION
WHERE,  OR  TO ANY  PERSON TO  WHOM, IT  IS UNLAWFUL  TO MAKE  SUCH AN  OFFER OR
SOLICITATION.
<PAGE>
                               TABLE OF CONTENTS

   
<TABLE>
<CAPTION>
                                                                          PAGE
                                                                        --------
<S>                                                                     <C>
SUMMARY...............................................................         1
  The Companies.......................................................         1
  Meetings of Stockholders of ICOT and Shareholders of Amati..........         1
  The Merger..........................................................         3
GLOSSARY OF TECHNICAL TERMS...........................................        12
RISK FACTORS..........................................................        13
SELECTED HISTORICAL AND PRO FORMA FINANCIAL DATA......................        19
COMPARATIVE PER SHARE DATA............................................        22
PRICE RANGE OF COMMON STOCK...........................................        23
INTRODUCTION..........................................................        24
VOTING AND PROXIES....................................................        25
  Date, Time and Place of Meetings....................................        25
  Record Date and Outstanding Shares..................................        25
  Voting of Proxies...................................................        25
  Vote Required.......................................................        25
  Solicitation of Proxies and Expenses................................        26
THE MERGER AND RELATED TRANSACTIONS...................................        26
  Background to the Merger............................................        26
  Reasons for the Merger..............................................        27
  Business After the Merger...........................................        29
  Management After the Merger.........................................        29
  Voting Agreements...................................................        29
  Irrevocable Proxies.................................................        30
TERMS OF THE MERGER...................................................        30
  Effective Date of the Merger........................................        30
  Manner and Basis of Converting Shares...............................        30
  Escrow of Shares....................................................        31
  Applicable Ratio and Adjustments to Applicable Ratio................        31
  Adjustment Condition................................................        31
  Offer to Note Holders...............................................        32
  Exchange of Certificates............................................        33
  Amati Stock Options.................................................        33
  Substitution of Warrants............................................        33
  Performance Options.................................................        34
  Conduct of Business Prior to the Merger.............................        34
  ICOT Loans to Amati.................................................        35
  Amati Warrant to ICOT...............................................        35
  Conditions to the Merger............................................        35
  Termination or Amendment of Agreement of Reorganization.............        36
  Certain Federal Income Tax Matters..................................        36
  Affiliates' Restrictions on Sale of ICOT Common Stock...............        38
  Governmental and Regulatory Approvals...............................        39
  Merger Expenses.....................................................        39
  Dissenters' Rights..................................................        39
AMATI SELECTED FINANCIAL DATA.........................................        41
</TABLE>
    

                                       i
<PAGE>
   
<TABLE>
<CAPTION>
                                                                          PAGE
                                                                        --------
AMATI MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
 RESULTS OF OPERATION.................................................        42
<S>                                                                     <C>
ICOT SELECTED CONSOLIDATED FINANCIAL DATA.............................        45
ICOT MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
 RESULTS OF OPERATIONS................................................        46
INFORMATION CONCERNING AMATI..........................................        51
  Background..........................................................        51
  Products and Markets................................................        51
  Technology..........................................................        53
  Contract Development................................................        54
  Relationship with Motorola..........................................        55
  Customers...........................................................        55
  Competition.........................................................        56
  Sales, Marketing, Customer Support..................................        56
  Manufacturing.......................................................        56
  Research and Development............................................        57
  Patents and Other Intellectual Property.............................        57
  Employees...........................................................        57
  Facilities..........................................................        58
  Executive Officers and Directors....................................        58
  Principal Shareholders..............................................        59
  Description of Amati Warrants.......................................        60
INFORMATION CONCERNING ICOT...........................................        62
  Products and Customers..............................................        62
  Service.............................................................        63
  Manufacturing.......................................................        63
  Marketing...........................................................        63
  Backlog.............................................................        63
  Research and Development............................................        63
  Competition.........................................................        64
  Patents, Trademarks, Licenses.......................................        64
  Employees...........................................................        65
  Properties..........................................................        65
  Legal Proceedings...................................................        65
  Executive Officers and Directors....................................        66
  Board Compensation..................................................        66
  Executive Compensation..............................................        67
  Certain Relationships and Related Transactions......................        68
  Security Ownership of Certain Beneficial Owners and Management......        68
ADDITIONAL MATTERS FOR CONSIDERATION OF ICOT STOCKHOLDERS.............        70
  Additional Proposal 1 -- Amendment to ICOT's Certificate of
                           Incorporation to Change the Name of ICOT...        70
  Additional Proposal 2 -- Amendment to ICOT's Certificate of
                           Incorporation to Increase Authorized
                           Shares.....................................        70
  Additional Proposal 3 -- Amendments to the ICOT 1990 Stock Option
                           Plan.......................................        71
  Other Business......................................................        75
ASSUMPTION OF THE AMATI STOCK OPTION PLAN.............................        76
</TABLE>
    

                                       ii
<PAGE>
   
<TABLE>
<CAPTION>
                                                                          PAGE
                                                                        --------
DESCRIPTION OF ICOT CAPITAL STOCK.....................................        79
<S>                                                                     <C>
  ICOT Common Stock...................................................        79
  ICOT Preferred Stock................................................        79
  Comparison of Rights of Holders of ICOT and Amati Stock.............        79
  Transfer Agent and Registrar........................................        88
LEGAL MATTERS.........................................................        88
EXPERTS...............................................................        88
INDEX TO FINANCIAL STATEMENTS.........................................       F-1
APPENDIX A
 Amended and Restated Agreement and Plan of Reorganization and Merger
 among ICOT, Amati and IAAC and Amendment thereto.....................       A-1
APPENDIX B
 Agreement of Merger among ICOT, Amati and IAAC.......................       B-1
APPENDIX C
 Section 1300 ET SEQ. of the California Corporations Code.............       C-1
</TABLE>
    

                                      iii
<PAGE>
                                    SUMMARY

    The  following is a brief summary of certain information contained elsewhere
in this Prospectus/ Proxy  Statement. This summary does  not contain a  complete
statement  of  all material  features of  the proposals  to be  voted on  and is
qualified in its entirety by  the more detailed information appearing  elsewhere
in  this Prospectus/Proxy Statement  and in the  Appendices. The Merger involves
certain risks to holders of ICOT and Amati securities. See "Risk Factors."

                                 THE COMPANIES

<TABLE>
<S>                                 <C>
ICOT..............................  ICOT  Corporation,  a  Delaware  corporation   ("ICOT"),
                                    develops,  manufactures,  markets  and  services network
                                    connectivity products for sale to end-users and Original
                                    Equipment  Manufacturers   ("OEM").   ICOT's   principal
                                    executive  offices are located at  3801 Zanker Road, San
                                    Jose, California 95150 and its telephone number at  that
                                    address  is (408) 433-3300.  See "Information Concerning
                                    ICOT."

Amati.............................  Amati   Communications    Corporation,   a    California
                                    corporation  ("Amati"),  a  development  stage  company,
                                    develops   telecommunications   transmission    products
                                    utilizing  Discrete  Multi-Tone  ("DMT")  technology  to
                                    provide  high  speed  digital  video,  voice  and   data
                                    transmission  over unconditioned copper  wire or coaxial
                                    cable. In 1993, Amati's  DMT technology was selected  as
                                    the   American  National  Standards  Institute  ("ANSI")
                                    standard for Asymmetric Digital Subscriber Line ("ADSL")
                                    transmission and,  as a  result,  is recognized  as  the
                                    United  States  standard  for  ADSL.  Amati's  principal
                                    executive offices  are located  at 1975  El Camino  Real
                                    West, Mountain View, California 94040, and its telephone
                                    number   at   that  address   is  (415)   903-2350.  See
                                    "Information Concerning Amati."
</TABLE>

           MEETINGS OF STOCKHOLDERS OF ICOT AND SHAREHOLDERS OF AMATI

   
<TABLE>
<S>                                 <C>
Time, Date, Place and Purpose.....  A Special  Meeting of  Stockholders of  ICOT (the  "ICOT
                                    Meeting") will be held on November 6, 1995 at 1:30 p.m.,
                                    local  time, at ICOT's principal executive offices, 3801
                                    Zanker Road, San Jose, California.

                                    A Special Meeting of  Shareholders of Amati (the  "Amati
                                    Meeting")  will be  held on  October 27,  1995, at 10:00
                                    a.m.,  local  time,   at  Amati's  principal   executive
                                    offices,  1975  El  Camino  Real  West,  Mountain  View,
                                    California.

                                    At the ICOT Meeting, ICOT stockholders will be asked  to
                                    consider and vote upon proposals to:

                                    (i)  approve the Amended and Restated Agreement and Plan
                                    of  Reorganization   and  Merger   (the  "Agreement   of
                                    Reorganization")  dated as of August  3, 1995 as amended
                                    by the Amendment thereto  dated October 6, 1995  (copies
                                    of  which are  attached hereto  as APPENDIX  A), and the
                                    related
</TABLE>
    

                                       1
<PAGE>

   
<TABLE>
<S>                                 <C>
                                    Agreement of Merger (a copy of which is attached  hereto
                                    as  APPENDIX B)  (collectively, the  "Merger Agreement")
                                    among Amati, ICOT and a wholly-owned subsidiary of ICOT;

                                    (ii)  approve,  subject  to   approval  of  the   Merger
                                    Agreement,   an  amendment  to   ICOT's  Certificate  of
                                    Incorporation to change the  name of the corporation  to
                                    "Amati Communications Corporation;"

                                    (iii)   approve,  subject  to  approval  of  the  Merger
                                    Agreement,  an  amendment   to  ICOT's  Certificate   of
                                    Incorporation  to  increase  the  authorized  number  of
                                    shares  of  ICOT   Common  Stock   from  20,000,000   to
                                    45,000,000 shares; and

                                    (iv)  approve amendments  to the ICOT  1990 Stock Option
                                    Plan to  increase  the  shares  available  for  issuance
                                    thereunder  by 2,600,000 shares and  to limit the number
                                    of shares that may be granted to any participant in  any
                                    one-year period to 1,000,000 shares.

                                    The   Merger  can   be  completed   only  if   the  ICOT
                                    stockholders vote to  approve proposals  (i), (iii)  and
                                    (iv) above, even though ICOT stockholders will vote upon
                                    each  of  these items  separately. If  ICOT stockholders
                                    fail to approve any one  of these proposals, the  Merger
                                    cannot  be consummated. Approval of proposal (ii) is not
                                    required to complete the Merger. However, the ICOT Board
                                    of Directors unanimously recommends  a vote in favor  of
                                    each of the proposals.

                                    See   "The   Merger   and   Related   Transactions"  and
                                    "Additional   Matters   for   Consideration   of    ICOT
                                    Stockholders."

                                    At  the Amati Meeting, Amati  shareholders will be asked
                                    to consider and vote upon the Merger Agreement. See "The
                                    Merger and Related Transactions."

Record Dates; Vote Required;
 Voting Agreements; Irrevocable
 Proxies..........................  The record  date for  stockholders of  ICOT entitled  to
                                    vote  upon the Merger is  September 29, 1995. The record
                                    date for shareholders of Amati entitled to vote upon the
                                    Merger  is  August  30,  1995.  Under  applicable   law,
                                    approval  of the Merger requires the affirmative vote of
                                    the holders  of a  majority  of the  outstanding  shares
                                    entitled  to vote of (i) the ICOT Common Stock, (ii) the
                                    Amati  Common  Stock  and  (iii)  the  Amati  Series   A
                                    Preferred  Stock. The  presence, either in  person or by
                                    properly executed proxy, at the ICOT Meeting and at  the
                                    Amati  Meeting  (the  "Meetings") of  the  holders  of a
                                    majority of the outstanding  shares entitled to vote  at
                                    each Meeting is necessary to constitute a quorum at such
                                    Meeting.

                                    The directors of ICOT, who, as of September 29, 1995, in
                                    the  aggregate  beneficially own  621,600 shares  of the
                                    issued and outstanding ICOT  Common Stock (5.15%),  have
                                    agreed  to vote in favor of  the Merger. See "The Merger
                                    and Related Transactions -- Voting Agreements."  Certain
                                    affiliates  of Amati who, as of  August 30, 1995, in the
                                    aggregate
</TABLE>
    

                                       2
<PAGE>

   
<TABLE>
<S>                                 <C>
                                    beneficially  own  494,083  shares  of  the  issued  and
                                    outstanding  Amati  Common  Stock  (91.5%),  and 250,000
                                    shares of  the issued  and  outstanding Amati  Series  A
                                    Preferred  Stock  (76.9%), have  given  ICOT irrevocable
                                    proxies (the "Irrevocable Proxies"), in consideration of
                                    certain loans to  Amati, which proxies  ICOT intends  to
                                    vote in favor of the Merger. See "The Merger and Related
                                    Transactions -- Irrevocable Proxies." The Merger and the
                                    Merger   Agreement   must  be   approved  by   the  ICOT
                                    stockholders  and  Amati   shareholders.  Each   party's
                                    obligation  to  consummate the  Merger  is subject  to a
                                    number of conditions,  including that ICOT's  obligation
                                    to  consummate the Merger is conditioned on the approval
                                    of the Merger Agreement  by holders of  at least 95%  of
                                    the  outstanding Amati  Voting Stock. See  "Terms of the
                                    Merger -- Conditions to the Merger."
</TABLE>
    

                                   THE MERGER

   
<TABLE>
<S>                                 <C>
Effect of Merger; Name and Symbol
 Change...........................  If  approved  by  the  stockholders  of  ICOT  and   the
                                    shareholders  of  Amati  and if  all  the  other closing
                                    conditions are met:

                                    Amati will be merged into IA Acquisition Corporation,  a
                                    California  corporation and a wholly-owned subsidiary of
                                    ICOT ("IAAC").

                                    The  name   of   ICOT   will  be   changed   to   "Amati
                                    Communications  Corporation" and the  trading symbol for
                                    the  ICOT   Common  Stock   will  become   "AMTX."   See
                                    "Additional    Matters   for   Consideration   of   ICOT
                                    Stockholders."

Effective Date of the Merger......  The Merger  will  be  effective when  the  Agreement  of
                                    Merger  is filed with the  California Secretary of State
                                    (the "Effective Date of the Merger"). The Effective Date
                                    of the Merger is  currently expected to  be on or  about
                                    November  10, 1995, subject to approval of the Merger at
                                    the Meetings, and further subject to the satisfaction or
                                    waiver of  the conditions  precedent to  the Merger  set
                                    forth  in the Agreement of Reorganization. See "Terms of
                                    the Merger -- Effective Date  of the Merger" and  "Terms
                                    of the Merger -- Conditions to the Merger."

Reasons for the Merger............  The  Boards  of both  ICOT  and Amati  believe  that the
                                    Merger is  desirable  for  both  companies  because  the
                                    product  development  efforts  of  Amati  and  ICOT  are
                                    synergistic, and there is an opportunity to benefit from
                                    economies of scale afforded by the Merger. In  addition,
                                    the  Merger gives ICOT the opportunity to participate in
                                    an emerging  market with  a  new technology,  and  gives
                                    Amati  better access  to capital and  an opportunity for
                                    liquidity for  its  shareholders. See  "The  Merger  and
                                    Related Transactions -- Reasons for the Merger."

Terms of the Merger...............  As  a result of the Merger, on a fully-diluted basis and
                                    subject to satisfaction of the Adjustment Condition  (as
                                    defined
</TABLE>
    

                                       3
<PAGE>

   
<TABLE>
<S>                                 <C>
                                    below),  the former  Amati securities  holders will hold
                                    35% of the total outstanding common stock equivalents of
                                    ICOT and the  former ICOT securities  holders will  hold
                                    65% of the total outstanding common stock equivalents of
                                    ICOT.  Subject to  the Adjustment Condition,  a total of
                                    6,788,924 common equivalent shares of ICOT Common  Stock
                                    will  be issued  in conversion of  outstanding shares of
                                    Amati Common  Stock  and  Series A  Preferred  Stock  or
                                    reserved  for issuance  upon exercise  of Amati employee
                                    stock  options  and  Substitute  Warrants  (as   defined
                                    below).  In  addition, 1,616,411  shares of  ICOT Common
                                    Stock will  be reserved  for issuance  upon exercise  of
                                    options (the "Performance Options") to be granted to key
                                    Amati employees after the Merger.

                                    APPLICABLE  RATIO.  The  exchange ratio (the "Applicable
                                    Ratio") at which each outstanding share of Amati  Voting
                                    Stock   (other  than   shares,  if  any,   as  to  which
                                    dissenters'  rights  have  been  exercised  pursuant  to
                                    California law) will be converted into ICOT Common Stock
                                    is expected to be 4.6126 shares of ICOT Common Stock per
                                    share of Amati Voting Stock.

                                    ADJUSTMENTS  TO APPLICABLE  RATIO.  Amati  has agreed to
                                    use its best efforts to obtain $838,000 in new financing
                                    for Amati prior to the consummation of the Merger.  This
                                    requirement  is called the "Adjustment Condition." Amati
                                    may obtain such financing in a variety of ways. Amati is
                                    seeking to satisfy the  Adjustment Condition through  an
                                    offer  (the  "Offer  to  Note  Holders")  to  holders of
                                    outstanding bridge  loans  in  the  aggregate  principal
                                    amount  of $745,000 (the  "Outstanding Amati Notes"). If
                                    the Offer to Note Holders is not accepted by all holders
                                    of Outstanding Amati Notes, the Applicable Ratio will be
                                    adjusted.

                                    OFFER TO NOTE  HOLDERS.   In order to  improve the  cash
                                    position  of the combined  company as of  the closing of
                                    the Merger (the  "Closing"), and as  a means of  meeting
                                    the Adjustment Condition, Amati would like to induce the
                                    holders of the Outstanding Amati Notes to extend the due
                                    date of their notes. Accordingly, holders of Outstanding
                                    Amati Notes who agree to extend payment of the principal
                                    and  interest on their notes  until January 31, 1997 are
                                    being  offered   the  opportunity   to  exercise   their
                                    corresponding   Amati   Warrants   (as   defined  below)
                                    effective as  of  the Closing  at  a reduced  price  per
                                    share.  If this  offer is  accepted, a  Note Holder will
                                    receive upon exercise of an Amati Warrant, effective  as
                                    of  the  Closing, the  number of  shares of  ICOT Common
                                    Stock determined  by  dividing  the  aggregate  purchase
                                    price  of such warrant by $1.50, at an exercise price of
                                    $1.50 per share,  payable in  cash. THE  SHARES OF  ICOT
                                    COMMON  STOCK ISSUED AT THE CLOSING TO SUCH HOLDERS WILL
                                    BE REGISTERED  UNDER  THE  SECURITIES ACT  AND  WILL  BE
                                    SUBJECT TO THE ESCROW.
</TABLE>
    

                                       4
<PAGE>

<TABLE>
<S>                                 <C>
                                    AMATI COMMON STOCK AND SERIES A PREFERRED STOCK.  In the
                                    Merger,  each share of  Amati Common Stock  and Series A
                                    Preferred Stock (other than shares, if any, as to  which
                                    dissenters'  rights  have  been  exercised  pursuant  to
                                    California law) shall  be converted into  the number  of
                                    shares  of  ICOT Common  Stock  equal to  the Applicable
                                    Ratio.

                                    AMATI OPTIONS.  From and  after the time of the  Merger,
                                    each  option to acquire Amati  Common Stock issued under
                                    Amati's 1992 Stock Option Plan shall entitle the  holder
                                    thereof  to receive upon exercise  that number of shares
                                    of ICOT  Common  Stock  determined  by  multiplying  the
                                    number  of shares of Amati  Common Stock covered thereby
                                    by the Applicable Ratio, which number of shares shall be
                                    rounded down to the nearest whole share, at an  exercise
                                    price  for each full share of ICOT Common Stock equal to
                                    the exercise  price  per  share of  Amati  Common  Stock
                                    divided  by the  Applicable Ratio,  which exercise price
                                    per share shall be rounded  up to the nearest  two-place
                                    decimal.

                                    AMATI  WARRANTS.  In the  Merger, each outstanding Amati
                                    Warrant  which  has  not  been  exercised  prior  to  or
                                    effective  as  of the  Closing will  be exchanged  for a
                                    warrant to purchase shares of ICOT Common Stock (each  a
                                    "Substitute  Warrant"). For each Amati warrant having an
                                    exercise price  per  share of  $6.00  or $9.00  (each  a
                                    "Dollar  Value Warrant"),  ICOT will  issue a Substitute
                                    Warrant exercisable  for the  number of  shares of  ICOT
                                    Common  Stock  determined by  multiplying the  number of
                                    shares of Amati Common Stock issuable upon the  exercise
                                    of  such Dollar  Value Warrant by  the Applicable Ratio,
                                    rounded down to the nearest whole share, at an  exercise
                                    price  for each full share of ICOT Common Stock equal to
                                    the exercise  price  per  share of  Amati  Common  Stock
                                    divided  by  the  Applicable Ratio,  rounded  up  to the
                                    nearest two-place  decimal. For  each other  outstanding
                                    Amati warrant (each a "Fair Value Warrant" and, together
                                    with  the Dollar Value  Warrants, the "Amati Warrants"),
                                    ICOT will issue a Substitute Warrant exercisable for the
                                    number of  shares of  ICOT  Common Stock  determined  by
                                    dividing  the aggregate exercise price of the Fair Value
                                    Warrant by $4.926  at an  exercise price  of $4.926  for
                                    each full share of ICOT Common Stock.

                                    REGISTRATION.   IF AMATI WARRANTS ARE EXERCISED PRIOR TO
                                    OR EFFECTIVE AS OF THE CLOSING, THE WARRANT HOLDERS WILL
                                    RECEIVE SHARES  OF  ICOT  COMMON STOCK  THAT  HAVE  BEEN
                                    REGISTERED  UNDER THE SECURITIES  ACT. IF AMATI WARRANTS
                                    ARE NOT  EXERCISED  PRIOR  TO OR  EFFECTIVE  AS  OF  THE
                                    CLOSING,  THE  WARRANT HOLDERS  WILL  RECEIVE SUBSTITUTE
                                    WARRANTS  THAT  WILL   NOT  BE   REGISTERED  UNDER   THE
                                    SECURITIES ACT, AND
</TABLE>

                                       5
<PAGE>

   
<TABLE>
<S>                                 <C>
                                    WARRANT  HOLDERS WILL NOT HAVE ANY RIGHT TO REGISTER THE
                                    SUBSTITUTE WARRANTS OR  THE SHARES TO  BE RECEIVED  UPON
                                    EXERCISE THEREOF.

                                    See  "Terms  of  the  Merger  --  Manner  and  Basis  of
                                    Converting Shares," "Terms of  the Merger --  Applicable
                                    Ratio  and Adjustments  to Applicable  Ratio," "Terms of
                                    the Merger  --  Adjustment  Condition,"  "Terms  of  the
                                    Merger  -- Offer to Note  Holders," "Terms of the Merger
                                    -- Amati Stock  Options," and  "Terms of  the Merger  --
                                    Substitution of Warrants."

Escrow............................  1,050,000  of  the shares  of  ICOT Common  Stock  to be
                                    issued in  the Merger  will be  delivered to  an  escrow
                                    established  with Chemical  Trust Company  of California
                                    ("Chemical Trust"). Such  shares will  be allocated  pro
                                    rata from the shares of ICOT Common Stock issued to each
                                    holder of Amati Voting Stock (including holders of Amati
                                    Warrants   who  exercise  their  warrants  prior  to  or
                                    effective as of the Closing) and will be held in  escrow
                                    for  a  period  of  one  year  following  the  Merger to
                                    indemnify ICOT against damages and expenses arising from
                                    any  breach  of  the  representations,  warranties   and
                                    covenants   of  Amati  contained  in  the  Agreement  of
                                    Reorganization. John Bingham, Frank Kocsis, Kathy Ku and
                                    James  Ottinger   have   been   selected   to   act   as
                                    representatives  of the Amati shareholders in connection
                                    with the escrow. See "Terms  of the Merger -- Escrow  of
                                    Shares."
Grant of Performance Options to
 Amati Employees..................  ICOT  has  agreed  to  issue, within  one  month  of the
                                    Closing, options to  purchase 1,616,411  shares of  ICOT
                                    Common  Stock under the ICOT 1990 Stock Option Plan (the
                                    "Performance  Options")  to  certain  key  employees  of
                                    Amati,  provided that they are then employed by ICOT and
                                    have exercised the Amati  Options granted to them  prior
                                    to  1995.  The  Performance Options  shall  vest  on the
                                    fourth anniversary of the grant date; provided, however,
                                    such options shall  become immediately exercisable  upon
                                    certification  that net  Amati product  revenues for the
                                    period from  July 1,  1995 through  June 30,  1996  have
                                    exceeded  $8,000,000. The  Performance Options  shall be
                                    granted at fair market value  and be exercisable for  at
                                    least  six months from  the vesting date.  See "Terms of
                                    the Merger -- Performance Options."
Recommendations of the Boards of
 ICOT and Amati...................  The Board of Directors  of each company has  unanimously
                                    approved  the  Merger  Agreement  and  the  transactions
                                    contemplated  thereby.   THE  BOARD   OF  EACH   COMPANY
                                    UNANIMOUSLY  RECOMMENDS  APPROVAL OF  THE MERGER  BY THE
                                    STOCKHOLDERS OR  SHAREHOLDERS  OF SUCH  COMPANY.  For  a
                                    discussion  of the reasons favoring  a merger of the two
                                    companies  considered   by  each   company's  Board   of
                                    Directors  in approving  the Merger  Agreement, see "The
                                    Merger and  Related  Transactions  --  Reasons  for  the
                                    Merger."
</TABLE>
    

                                       6
<PAGE>

   
<TABLE>
<S>                                 <C>
The Board of Directors and
 Management of The Combined
 Company Following the Merger.....  After the Merger, the Board of Directors of the combined
                                    company  will  consist  of five  members,  who  will be:
                                    Arnold N. Silverman,  Aamer Latif and  Donald L.  Lucas,
                                    each  of whom is presently a director of ICOT and Amati,
                                    and Dr. James F. Gibbons and Dr. John M. Cioffi, each of
                                    whom is presently a director of Amati (see  "Information
                                    Concerning ICOT -- Executive Officers and Directors" and
                                    "Information  Concerning Amati -- Executive Officers and
                                    Directors").  Mr.  Latif,  President,  Chief   Executive
                                    Officer   and  Chief  Financial  Officer  of  ICOT,  who
                                    currently also serves as  President and Chief  Executive
                                    Officer  of Amati, will serve as acting President, Chief
                                    Executive Officer  and Chief  Financial Officer  of  the
                                    combined  company; Dr. Cioffi, currently Vice President,
                                    Engineering and Chief Technical  Officer of Amati,  will
                                    be  appointed  Vice  President,  Engineering  and  Chief
                                    Technical Officer  of the  combined company;  Joseph  F.
                                    Grady,  currently  Vice President,  Worldwide  Sales, of
                                    Amati, will be appointed Vice President, Worldwide Sales
                                    of the combined company; and Terry Medel, who  currently
                                    serves  as Treasurer, Secretary  and Controller of ICOT,
                                    will  serve  in   such  capacities   and  as   principal
                                    accounting  officer of  the combined  company. The Amati
                                    Board is actively seeking a new Chief Executive  Officer
                                    for the combined company. Because Amati is a development
                                    stage  company, and because the  businesses of Amati and
                                    ICOT must be integrated  after the Merger, the  ultimate
                                    management  structure of the combined company is subject
                                    to change. See "The  Merger and Related Transactions  --
                                    Management After the Merger."
Amendments to ICOT Certificate of
 Incorporation and 1990 Stock
 Option Plan......................  In  connection with the Merger, stockholders of ICOT are
                                    being asked to approve amendments to the Certificate  of
                                    Incorporation  of  ICOT to  (i) change  the name  of the
                                    corporation to Amati Communications Corporation and (ii)
                                    increase the authorized number of shares of ICOT  Common
                                    Stock from 20,000,000 to 45,000,000 shares. In addition,
                                    stockholders   of  ICOT  are   being  asked  to  approve
                                    amendments to the  ICOT 1990  Stock Option  Plan to  (i)
                                    increase  the  number of  shares available  for issuance
                                    thereunder by 2,600,000 shares and (ii) limit the number
                                    of shares that may be granted to any participant in  any
                                    one-year  period to  1,000,000 shares.  Approval of each
                                    amendment requires the affirmative  vote of the  holders
                                    of a majority of the outstanding shares entitled to vote
                                    of  ICOT Common  Stock. The  increase in  the authorized
                                    shares of ICOT Common Stock  is necessary to effect  the
                                    Merger.  See  "Additional Matters  for  Consideration of
                                    ICOT Stockholders."

Exchange of Shares................  At the Effective  Date of  the Merger,  each issued  and
                                    outstanding  share of  Amati Common  Stock and  Series A
                                    Preferred Stock (other than shares, if any, as to  which
</TABLE>
    

                                       7
<PAGE>

   
<TABLE>
<S>                                 <C>
                                    dissenters'  rights  have  been  exercised  pursuant  to
                                    California law)  automatically  will be  converted  into
                                    ICOT   Common  Stock  based  on  the  Applicable  Ratio.
                                    Exchange of  certificates  evidencing  shares  of  Amati
                                    Common  Stock  and Amati  Series  A Preferred  Stock for
                                    certificates evidencing shares of ICOT Common Stock will
                                    be made upon surrender of the former to Chemical  Mellon
                                    Shareholder  Services Company of California, as exchange
                                    agent ("Chemical  Mellon"). CERTIFICATES  SHOULD NOT  BE
                                    SURRENDERED  FOR EXCHANGE  PRIOR TO  CONSUMMATION OF THE
                                    MERGER. Promptly after the Effective Date of the Merger,
                                    Amati shareholders  will be  provided with  a letter  of
                                    transmittal  and  related materials  needed  to exchange
                                    their certificates. See "Terms  of the Merger --  Manner
                                    and Basis of Converting Shares" and "Terms of the Merger
                                    -- Exchange of Certificates."
Conditions to the Merger..........  Notwithstanding   approval   of   the   Merger   by  the
                                    stockholders of ICOT and the shareholders of Amati,  the
                                    consummation  of the  Merger is  subject to  a number of
                                    conditions which,  if not  fulfilled or  waived,  permit
                                    termination of the Agreement of Reorganization.

                                    Each  party's  obligation  to consummate  the  Merger is
                                    conditioned on, among other things, the accuracy of  the
                                    other  party's representations and warranties, the other
                                    party's performance of its covenants, the absence of any
                                    litigation adverse  to  the completion  of  the  merger,
                                    legal  opinions (including  opinions to  the effect that
                                    the Merger will constitute a tax free reorganization  to
                                    the Amati shareholders for federal income tax purposes),
                                    and  the approval of the increases in authorized capital
                                    stock and in  the shares authorized  for issuance  under
                                    the   ICOT   1990  Stock   Option   Plan  by   the  ICOT
                                    stockholders.

                                    ICOT's obligation to  consummate the  Merger is  further
                                    conditioned  on (i)  the compliance  of the  issuance of
                                    ICOT Common Stock and Substitute Warrants in the  Merger
                                    with   federal  and  state  securities  laws;  (ii)  the
                                    approval of the Merger by holders of at least 95% of the
                                    Amati Voting Stock; (ii)  that certain Amati  agreements
                                    be  in full force in effect; (iv) that a key person life
                                    insurance policy on the life of Dr. Cioffi be in effect;
                                    and (v) that  the Irrevocable Proxies  be in full  force
                                    and  effect. Amati's obligation to consummate the Merger
                                    is further conditioned upon  (i) the appointment of  Dr.
                                    Gibbons  and Dr. Cioffi to  the ICOT Board of Directors;
                                    and (ii) that the Voting Agreements be in full force and
                                    effect.

                                    At any time  on or prior  to the Effective  Date of  the
                                    Merger,  to the  extend legally allowed,  either ICOT or
                                    Amati, without  approval  of the  stockholders  of  such
                                    company, may waive compliance with any of the agreements
                                    or  conditions contained in the Merger Agreement for the
                                    benefit of such company.
</TABLE>
    

                                       8
<PAGE>

   
<TABLE>
<S>                                 <C>
                                    See "Terms of the Merger -- Conditions to the Merger."

Termination or Amendment..........  The Agreement of Reorganization  may also be  terminated
                                    by  at  any  time prior  to  the Effective  Date  of the
                                    Merger, without regard  to whether stockholder  approval
                                    of the Merger has been obtained (i) by mutual consent of
                                    ICOT  and Amati, or (ii) by  either ICOT or Amati if any
                                    of the conditions  precedent to the  obligation of  such
                                    party have not been fulfilled by November 30, 1995 or on
                                    the happening of a material breach by the other party.

                                    The  Agreement of  Reorganization may be  amended by the
                                    parties thereto at any time before or after approval  of
                                    the   Merger  by   the  ICOT   stockholders  or  Amati's
                                    shareholders, except that, after such approval has  been
                                    obtained,  no amendment may be made that by law requires
                                    further approval  of  the  ICOT  stockholders  or  Amati
                                    shareholders unless such approval is obtained.

                                    See  "Terms of the Merger -- Termination or Amendment of
                                    Agreement of Reorganization."

ICOT Loans to Amati...............  As of August 4, 1995, ICOT had provided Amati with loans
                                    in an aggregate  principal amount of  $2,971,900 to  pay
                                    the  principal  and  interest due  under  certain bridge
                                    notes and certain accounts  payable and to fund  Amati's
                                    operations. Pursuant to the Agreement of Reorganization,
                                    ICOT  has agreed to provide  an additional loan to Amati
                                    to cover reasonable  operating expenses  as approved  by
                                    ICOT,  in such  amount to bring  the aggregate principal
                                    amount outstanding  under the  loans up  to  $5,000,000.
                                    These loans are evidenced by a senior secured promissory
                                    note  (the  "New Amati  Note")  due and  payable  at the
                                    earlier of November  30, 1995  or a  material breach  by
                                    Amati  of the Agreement of Reorganization. See "Terms of
                                    the Merger -- ICOT Loans to Amati."

Irrevocable Proxies...............  In consideration of continuation  of the existing  loans
                                    and  providing the  additional loan  to Amati,  ICOT has
                                    received irrevocable proxies from certain affiliates  of
                                    Amati  (the  "Irrevocable Proxies").  See "Terms  of the
                                    Merger -- Irrevocable Proxies."

Amati Warrant to ICOT.............  Amati has issued to ICOT  a warrant exercisable for  65%
                                    of  the  common  stock  equivalents  of  Amati  for  the
                                    aggregate exercise price of $5,000,000, payable in  cash
                                    or by cancellation of the New Amati Note (the "New Amati
                                    Warrant"). The New Amati Warrant is exercisable any time
                                    prior  to or on November 30, 1996, in the event that the
                                    Merger does not occur for  any reason prior to  November
                                    30,  1995. See "Terms of the  Merger -- Amati Warrant to
                                    ICOT."

Governmental and Regulatory
 Approvals........................  ICOT  and  Amati  are   aware  of  no  governmental   or
                                    regulatory  approvals required  for consummation  of the
                                    Merger, other
</TABLE>
    

                                       9
<PAGE>

   
<TABLE>
<S>                                 <C>
                                    than  compliance  with  federal  and  applicable   state
                                    securities  laws  and the  filing  and recording  of the
                                    Agreement of Merger as required under California law.

Affiliate's Agreement.............  Pursuant to the Agreement of Reorganization, each  Amati
                                    affiliate  is  required  to  execute  an  agreement (the
                                    "Affiliate's  Agreement")  providing  that  such  person
                                    shall  not offer or sell or  otherwise dispose of any of
                                    the ICOT  Common  Stock issued  to  such person  in  the
                                    Merger  in violation of Rule  145 of the Securities Act.
                                    In addition,  the  Affiliate's Agreements  will  provide
                                    that  each  affiliate  shall  not,  without  the written
                                    permission of  ICOT, sell  or otherwise  dispose of  any
                                    ICOT  Common Stock issued to him  in the Merger until 90
                                    days after the consummation of the Merger nor more  than
                                    25%   of  such  ICOT  Common   Stock  before  the  first
                                    anniversary of such date. Dr. Cioffi has entered into an
                                    Affiliate's  Agreement  providing  that  he  shall  not,
                                    without   the  written  permission   of  ICOT,  sell  or
                                    otherwise dispose of  more than 25%  of the ICOT  common
                                    stock   equivalents  issued  to  him  before  the  first
                                    anniversary of such date nor more than 50% of such  ICOT
                                    common  stock equivalents before  the second anniversary
                                    of such date.  See "Terms of  the Merger --  Affiliates'
                                    Restrictions on Sale of ICOT Stock."

Certain Federal Income Tax
 Consequences.....................  The  Merger is intended to  be a tax-free reorganization
                                    for federal income tax purposes, and consummation of the
                                    Merger  is  conditioned  upon  receipt  of  opinions  of
                                    counsel  to  ICOT  and  Amati  relating  to  certain tax
                                    matters. If  the Merger  is a  tax-free  reorganization,
                                    shareholders of Amati will recognize no gain or loss for
                                    federal  income  tax  purposes  as  a  result  of  their
                                    exchange of Amati Voting Stock for ICOT Common Stock  in
                                    the  Merger,  except to  the  extent that  they exercise
                                    dissenters' rights or receive cash in lieu of fractional
                                    shares.  However,  the  exchange  of  unexercised  Amati
                                    Warrants  for  Substitute  Warrants in  the  Merger will
                                    result in taxable  gain or  loss to the  holders of  the
                                    Amati  Warrants at the Effective Date of the Merger. The
                                    federal income tax treatment  of holders of  Outstanding
                                    Amati  Notes  who accept  the Offer  to Note  Holders is
                                    unclear. See  "Terms of  the Merger  -- Certain  Federal
                                    Income Tax Matters."

Dissenters' Rights................  Amati  shareholders are entitled to certain rights under
                                    California law to receive cash for their shares provided
                                    that   they   follow   certain   prescribed    statutory
                                    procedures.  The failure of  a dissenting shareholder to
                                    follow the  appropriate  procedure  may  result  in  the
                                    termination  or waiver of such rights. See "Terms of the
                                    Merger -- Dissenters' Rights."

Certain Effects of the Merger on
 ICOT.............................  After the Merger, two  of the five  members of the  ICOT
                                    Board  of Directors  will be former  Amati directors. In
                                    addition, former  Amati shareholders  will  beneficially
                                    own  approximately  35% of  the outstanding  ICOT common
                                    stock equivalents,  and, because  ICOT's Certificate  of
                                    Incorporation
</TABLE>
    

                                       10
<PAGE>

   
<TABLE>
<S>                                 <C>
                                    provides  for  cumulative  voting  in  the  election  of
                                    directors, these former Amati shareholders, assuming all
                                    6,788,924 shares  of ICOT  Common Stock  are issued  and
                                    outstanding  and still held by  these persons, will have
                                    the ability to elect two directors. See "Risk Factors --
                                    Share Ownership  of  ICOT  by  Amati  Shareholders"  and
                                    "Description  of ICOT Capital Stock -- Comparison of the
                                    Rights of Holders of ICOT and Amati Stock --  Cumulative
                                    Voting."

Certain Effects of the Merger on
 the Rights of Amati
 Shareholders.....................  The  internal affairs of Amati are currently governed by
                                    Amati's Articles  of Incorporation  and Amati's  Bylaws,
                                    which  are governed by California law. Upon consummation
                                    of the  Merger, the  shareholders of  Amati will  become
                                    stockholders  of ICOT and their  rights will be governed
                                    by ICOT's Certificate of Incorporation and Bylaws, which
                                    are governed by Delaware law. See "Description of ICOT's
                                    Capital Stock."

Risk Factors......................  Amati is a development  stage company, and the  combined
                                    company  is not  expected to  operate profitably  in the
                                    foreseeable future. The Merger, which is expected to  be
                                    completed  in November 1995, will  be accounted for as a
                                    purchase and will result  in the immediate write-off  of
                                    substantially  all  of the  intangible  assets acquired.
                                    There are also other  significant risks associated  with
                                    the Merger. See "Risk Factors."
</TABLE>
    

                                       11
<PAGE>
   
                          GLOSSARY OF TECHNICAL TERMS
    

   
    APPLICATION PROGRAM INTERFACE (API):  A software term used where proprietary
application  programs have  to talk  to communications  software, or  conform to
protocols from another vendor's product.
    

   
    APPLICATION-SPECIFIC INTEGRATED CIRCUIT  (ASIC):   Computer chips  developed
for specific functions.
    

   
    ASYMMETRIC  DIGITAL SUBSCRIBER LINE (ADSL):   A telecommunications line that
is capable of transmitting digital  video, voice and data asymmetrically  (i.e.,
at  a  different rate  in each  direction) from  the central  office of  a local
telephone company  to  a subscriber's  home  over standard  copper  twisted-pair
wiring.
    

   
    BIT:  The fundamental unit of information.
    

   
    DISCRETE  MULTI-TONE (DMT):  A  multicarrier modulation line code technology
for transmission  data that  optimizes the  available bandwidth  in presence  of
various type of noise on any type of media.
    

   
    FIBER-IN-THE-LOOP  (FITL):  Refers to the  various type of fiber-based local
loop architectures.
    

   
    FIBER-TO-THE-CURB:  A fiber-based local  loop architecture where fiber  from
the  central office  of a phone  company terminates close  to customer premises,
supporting four to sixteen homes.
    

   
    HIGH  BIT  RATE  DIGITAL  SUBSCRIBER  LINE  (HDSL):    A   telecommunication
architecture  that provides  for transmission of  digital video,  voice and data
symmetrically on one or two twisted pair phone lines from the central office  of
a phone company to a subscriber home or business.
    

   
    HYBRID FIBER-COAXIAL (HFC):  A telecommunications cable system combining the
use of fiber optic cable and coaxial cable technology.
    

   
    INTEGRATED   SERVICES   DIGITAL   NETWORK  (ISDN):      A   dial-up  digital
telecommunications line  for  data and  voice  that  is often  used  to  connect
branches or remote sites and home workers to central operations.
    

   
    LOCAL AREA NETWORK (LAN):  A collection of computers and other devices (such
as  printers) connected to each other by wire (coaxial cable or fiber optics) or
radio frequency devices, which usually cover a small geographical area.
    

   
    SYSTEMS NETWORK ARCHITECTURE (SNA):   A proprietary  network that links  IBM
and non-IBM devices together.
    

   
    TRANSCEIVER:   Transmitter  and receiver; a  device that  both transmits and
receives data,  providing the  electrical and  physical interface  to a  network
cable.
    

   
    VERY  HIGH-SPEED  DIGITAL  SUBSCRIBER  LINE  (VDSL):    A  telecommunication
architecture that provides  for transmission  of digital video,  voice and  data
asymmetrically  on twisted pair phone  line from fiber-based pedestals, situated
in neighborhoods, to a subscriber's home.
    

   
    VERY-LARGE-SCALE INTEGRATION (VLSI):  A chip technology with a large  number
of logic gates per chip.
    

   
    WIDE   AREA  NETWORK  (WAN):    Communications  network  that  covers  large
geographical areas to connect computers and other devices and provides for voice
services.
    

                                       12
<PAGE>
                                  RISK FACTORS

    The following  factors,  among others,  should  be carefully  considered  in
evaluating  the Merger and in evaluating  the respective and combined businesses
of ICOT and Amati before voting with respect to the matters to be considered  at
the Meetings:

    NEGATIVE  EFFECT  ON  EARNINGS;  DEVELOPMENT  STAGE  COMPANY.    Amati  is a
development stage company, and the combined  company is not expected to  operate
profitably  in  the foreseeable  future.  The Merger,  which  is expected  to be
completed in October 1995, will be accounted  for as a purchase and will  result
in  the  immediate  write-off  of substantially  all  of  the  intangible assets
acquired. Amati  has  not  yet generated  significant  revenues.  Any  long-term
viability,  profitability and  growth from  Amati's technology  will depend upon
successful commercialization of products resulting from its research and product
development activities. Extensive  additional research and  development will  be
required prior to commercialization of Amati products. There can be no assurance
that  the combined company will be  able to develop commercially viable products
from  the  Amati  technology,  generate  significant  revenues  and/or   achieve
profitability.

   
    NEED  FOR ADDITIONAL CAPITAL.  Amati is a development stage company which to
date has depended on outside  funding, including development contract  revenues,
and  which  has actively  been seeking  additional capital  to meet  its current
obligations and to provide  for continued product  development. Its markets  are
embryonic  and continuing investment will be required to provide the opportunity
to participate in  the digital video  access market, if  it develops. In  spring
1995,  delays in product development and initial shipments of Amati's Overture 4
products resulted in a  shortage of capital that  caused Amati to further  delay
shipments  of prototypes for  field trials. Amati  was also forced  to defer the
development of  other prototype  products. ICOT  anticipates that  the  combined
company's  available  cash  reserves and  funds  from  operations, collaborative
research and development agreements, licensing agreements and investment  income
should  be  adequate to  satisfy capital  requirements  of the  combined company
through the 1996 fiscal  year under currently projected  revenues and levels  of
spending.  However,  the  combined company's  future  capital  requirements will
depend on  many  factors,  including  sales levels,  progress  in  research  and
development  programs, the establishment of  collaborative agreements, and costs
of manufacturing and commercialization activities. The combined company  intends
to  seek a  line of  credit. It is  likely that  the combined  company will seek
additional funding through collaborative agreements or through public or private
sales of its securities  prior to the commercialization  of the Amati  products.
There  can be no assurance  that a line of credit  or additional funding will be
available on acceptable terms, if at  all. If adequate funds are not  available,
the  combined  company  could be  required  to curtail  significantly  or defer,
temporarily or permanently, one or more of its research and development programs
or to obtain funds through arrangements that may require the combined company to
relinquish certain technology or product rights.
    

    MARKET FOR  AMATI  ADSL PRODUCTS  STILL  UNDER DEVELOPMENT;  PRINCIPAL  ADSL
MARKET  OUTSIDE THE UNITED STATES.  ADSL was developed to transmit digital video
over copper wires. Although the current infrastructure in the local distribution
networks of  telephone  companies is  based  on copper  wire,  there can  be  no
assurance that telephone companies will pursue the deployment of ADSL systems to
allow  the  transmission of  digital  video, data  and  voice or,  if deployment
occurs, as to the volume and timing of such deployment. Telephone companies  are
generally  cautious in deploying new technologies. Significant deployment may be
prevented or  delayed  by  a  number  of  factors,  including  cost,  regulatory
barriers,  lack  of  programming  content,  lack  of  consumer  demand  and  the
availability of alternative technologies.  Access systems with high  performance
broadband  capability,  such  as Amati's  ADSL  system, would  be  attractive to
telephone companies only  to the  extent that  the telephone  companies plan  to
offer  video-on-demand  services  which  utilize the  full  features  of  a high
performance local distribution network. Substantial amounts of time, effort  and
money  will be  required to  develop such programming  content. There  can be no
assurance that sufficient programming content for video-on-demand services  will
be  developed to justify  deploying digital video  transmission systems, or that
programming content will be both attractive  to consumers and offered at  prices
that  will create a  mass market. If  such products are  developed, and there is
demand for them,

                                       13
<PAGE>
there can  be  no assurance  that  telephone  companies will  select  ADSL  over
competing technologies, such as fiber-to-the-curb, hybrid fiber-coaxial ("HFC"),
and  wireless communications.  Fiber-to-the-curb, HFC and  wireless systems have
greater bandwidth  than the  ADSL  products being  developed by  Amati.  Because
foreign telephone companies currently face less competition from cable companies
than  telephone companies  face in  the United  States, Amati  believes that its
principal markets for ADSL will be outside the United States.

    PRICE COMPETITIVENESS OF  ADSL PRODUCTS.   Amati believes that  in order  to
design  and  manufacture  commercially  acceptable  products,  cost improvements
beyond those available  with current  technology will be  necessary. The  future
success  of  the combined  company will  depend,  in part,  upon its  ability to
develop ADSL  products  that compete  effectively  on  the basis  of  price  and
performance.  Current  prices are  significantly  higher than  those  that Amati
believes would be necessary for mass  deployment of ADSL products. There can  be
no  assurance that  the combined company  will be successful  in developing ADSL
products that can be sold at prices low enough to be viable in the market.

    RAPID TECHNOLOGICAL  CHANGE;  COMPETITION.   The  combined company  will  be
engaged  in evolving  fields in which  technological developments  are likely to
continue at a rapid pace.  Competition from existing companies, including  major
communications  companies,  is  expected  to  increase.  Most  of  the  combined
company's  competitors  are  more  established,  benefit  from  greater   market
recognition  and  have greater  financial,  technical, production  and marketing
resources than the combined company.  Some competitors are developing  alternate
access  technologies, such as HFC,  fiber-to-the-curb and wireless systems, that
may  prove  technologically  superior  or  more  cost  effective  than   Amati's
technology.  There  can be  no assurance  that developments  by others  will not
render  the   combined   company's   products  or   technologies   obsolete   or
noncompetitive  or that the combined company will  be able to keep pace with new
technological developments. Additionally, Amati is aware of other entities  with
development efforts underway with DMT technology for the ADSL marketplace. These
include:  ORCKIT  Communications  Ltd. ("ORCKIT"),  Pairgain  Technologies, Inc.
("Pairgain"), Aware Inc./Analog Devices Inc. ("Aware/Analog"), ECI Telecom  Ltd.
("ECI"),   LM  Ericsson   ("Ericsson"),  and   Alcatel  Network   Systems,  Inc.
("Alcatel"). Further,  other  companies  are addressing  the  ADSL  market  with
alternate  technologies.  For example,  AT&T has  developed a  carrierless AM/PM
("CAP") technology for ADSL transmission. Even though AT&T's technology was  not
selected  as the  ANSI standard,  AT&T has  greater resources  than the combined
company will have, has successfully competed against Amati for telephone company
trials in the past, and is expected  to continue to be a formidable  competitor.
Because  Amati's DMT technology was  selected as the ANSI  standard for the ADSL
specification, Amati is  required to license  its DMT technology  for ADSL on  a
fair  and reasonable basis to all third  parties who request a license. Motorola
Inc. ("Motorola") has taken a nonexclusive license to Amati's DMT technology for
ADSL, and other companies may choose to do so. Licensees may become  competitors
of Amati. Further, Amati expects Motorola to use the Amati technology to develop
and  sell a custom  single chip that  complies with the  ANSI standard for ADSL.
Amati expects Motorola's customers to become competitors of Amati.

    COMPETITION FOR VDSL STANDARDS.  Amati  expects to apply its DMT  technology
to the development of Very High-Speed Digital Subscriber Lines ("VDSL") products
for  the transmission of digital video  service in connection with a fiber-optic
backbone to cover the distance from this platform or node to subscribers'  homes
over  copper wire or  coaxial cable. ANSI  has not yet  awarded the standard for
VDSL technology, and the competition for the ANSI standard for VDSL is  expected
to  be intense. AT&T, as well as other companies with greater resources than the
combined company,  are expected  to compete  for these  standards. There  is  no
assurance  that  the combined  company's DMT  technology  will be  successful in
obtaining the ANSI VDSL standard.

    DEPENDENCE ON  COMPLEMENTARY PRODUCTS.    Widespread use  of ADSL  and  VDSL
products for digital video service will depend on the commercial availability of
other  products and components,  including the video  content, digital switches,
video servers, encode/decode equipment, and set-top boxes in subscribers' homes.
There can  be  no  assurance  that  other  suppliers  will  develop  and  market

                                       14
<PAGE>
these  complementary  components  effectively  or  that  these  components, when
combined with  the  combined  company's  ADSL  and  VDSL  products,  will  be  a
cost-effective means of transmitting video-on-demand or video dialtone.

    DEPENDENCE  ON  LARGE CUSTOMERS  AND SYSTEMS  INTEGRATORS.   Amati typically
expects to sell its products to large telecommunications service companies, such
as AT&T, Northern  Telecom Limited ("Northern  Telecom"), Alcatel, Philips  N.V.
("Philips"),  Siemens AG  ("Siemens"), NEC  Corporation ("NEC"),  Italtel S.p.A.
("Italtel"),  Fujitsu  Limited   ("Fujitsu"),  DSC  Communications   Corporation
("DSC"),  Ericsson, Samsung  Group ("Samsung") and  Reliance Com/Tec Corporation
("Reliance Com/Tec"),  which  serve as  integrators  for the  various  component
systems  that  make up  a video-on-demand  or  multimedia system.  These systems
integrators in turn sell the systems to telephone companies for distribution  to
their  subscribers. Amati is largely dependent  on these systems integrators for
the introduction of its products to field trials. There can be no assurance that
systems integrators will select Amati products  for field trials or, if they  do
initially  select the Amati products,  that they will continue  to use the Amati
products even if they successfully perform in the trials. In addition, telephone
companies are generally reluctant to deploy new technologies available only from
a single source,  especially when  the supplier is  as relatively  small as  the
combined  company,  and often  require the  availability of  alternative sources
before deploying a new technology. This reluctance may put the combined  company
at  a competitive  disadvantage relative  to some  of its  competitors. Further,
acceptance of the combined company's products by these customers may require the
combined company to relinquish rights to  its technology or products. There  can
be  no assurance, however, that even if  the combined company were to relinquish
such rights to its technology or products, telephone companies would deploy  the
combined company's ADSL or VDSL products.

    ICOT  CUSTOMER CONCENTRATION;  RELIANCE ON SALES  TO IBM.   ICOT's marketing
strategy  has  included  the  development  of  OEM  relationships  with  several
manufacturers,  including International  Business Machines  Corporation ("IBM").
Sales to IBM accounted  for approximately 83%,  62%, 65% and  81% of ICOT's  net
sales  in fiscal  1992, 1993,  1994 and  the nine  months ended  April 29, 1995,
respectively. ICOT expects that IBM will  continue to account for a  significant
portion  of ICOT's future sales,  although IBM is not  obligated to purchase any
specified amount  of products  or  to provide  ICOT  with binding  forecasts  of
product purchases for any period. Furthermore, since IBM considers product sales
and  market data confidential,  ICOT has very little  ability to forecast future
demand. There  can be  no assurance  that IBM  will continue  to distribute  and
support  ICOT's products. ICOT's principal contract with IBM expires in December
1996. Further, IBM may terminate its  agreements with ICOT upon 30 days'  notice
without  a significant penalty.  Upon termination of  these agreements, ICOT has
continuing obligations to provide certain  products and technical support for  a
period  of years, at a price then to be negotiated. Should IBM choose to promote
products competitive  with ICOT's  product or  terminate its  relationship  with
ICOT,   ICOT's  business  could  be   materially  and  adversely  affected.  Any
development that would  result in a  substantial decrease or  delay in sales  to
IBM,  including actions  by competitors or  technological changes,  could have a
material adverse  effect  on the  combined  company's business  and  results  of
operations.

    DIFFICULTIES  AND COSTS  OF INTEGRATION.   The  anticipated benefits  of the
Merger will not be achieved unless ICOT and Amati are successfully combined in a
smooth and timely  manner. The  transition to  a combined  company will  require
substantial  attention from management. As a  result of the Merger, the combined
company expects  to incur  certain charges  related to  the integration  of  the
businesses.  The transaction costs of the  Merger through the closing, including
the fees  of  attorneys  and  accountants,  are  expected  to  be  approximately
$800,000.

    NEED  TO  HIRE AND  RETAIN KEY  PERSONNEL;  MANAGEMENT STRUCTURE  SUBJECT TO
CHANGE.  Both ICOT and Amati are  dependent upon the efforts and abilities of  a
number  of  their current  key personnel,  including  Amati's Vice  President of
Engineering and Chief Technical Officer, Dr. John M. Cioffi, a full-time tenured
faculty member at  Stanford University, who  will serve as  the chief  technical
officer of the combined company. The loss of the services of any of the combined
company's  key employees  would have a  material adverse effect  on the combined
company. The combined company's success will also

                                       15
<PAGE>
   
depend in  large part  upon its  ability to  attract and  retain  highly-skilled
technical,  managerial,  sales  and  marketing  personnel.  The  Amati  Board is
actively seeking  a  new  Chief  Executive Officer  for  the  combined  company.
Following  the  Merger,  the  combined  company  will  need  to  hire additional
technical personnel in order to  achieve commercialization of Amati's  products.
If  the  combined  company  is  unable  to  hire  the  necessary  personnel, the
development  of  commercially  viable  products  would  likely  be  delayed   or
prevented.  Competition  for  highly skilled  technical,  managerial,  sales and
marketing personnel is  intense. There  can be  no assurance  that the  combined
company  will be successful in retaining its key personnel and in attracting and
retaining the  personnel  it requires.  Because  Amati is  a  development  stage
company,  and because the businesses of Amati  and ICOT must be integrated after
the Merger, the ultimate management structure of the combined company is subject
to change.
    

    INTERNATIONAL BUSINESS.  The combined company expects that sales outside  of
the  United States  will represent  a significant  portion of  its future sales,
especially of Amati's ADSL products. Operations outside of the United States are
subject to  various  risks, including  exposure  to currency  fluctuations,  the
imposition  of governmental controls, the need to  comply with a wide variety of
foreign and United States export laws, political and economic instability, trade
restrictions, changes in tariffs and taxes, and longer payment cycles  typically
associated  with international sales. Although the combined company expects that
its international sales activities for Amati products will primarily be  handled
by  collaborative  partners with  their  own established  distribution networks,
these overseas  activities  will be  subject  to the  difficulties  of  managing
overseas  operations  and representatives.  In  addition, although  the combined
company will  endeavor  to  meet  technical  standards  established  by  foreign
standard  setting organizations,  there can  be no  assurance that  the combined
company will  be able  to meet  these standards  or to  comply with  changes  in
foreign standards in the future. The inability of the combined company to design
products  to comply with foreign standards or any significant or prolonged delay
in the  combined company's  international sales  could have  a material  adverse
effect on the combined company's future business and results of operations.

    REGULATORY  MATTERS.    Telephone companies,  which  constitute  the initial
primary market for Amati's products, are subject to extensive regulation by both
the  federal  and  state  governments  in  the  United  States  and  by  foreign
governments.  Many of these regulations have the effect of limiting the economic
incentive of telephone  companies to  deploy new  technologies. Restrictions  on
telephone companies may materially and adversely affect the telephone companies'
demand  for the  products of the  combined company.  Cable television companies,
which may become a future market for  the combined company, are also subject  to
extensive  governmental regulations that may  discourage them from deploying the
combined company's products. There is legislation pending in Congress that would
alter the regulations on telephone companies  and cable companies in the  United
States,  and there can be no assurance  that such legislation will not adversely
affect the commercialization  of the combined  company's products. In  addition,
both  in the United States and abroad, rates for telecommunications services are
governed by  tariffs  of  licensed  carriers  that  are  subject  to  regulatory
approval.  These tariffs also  could have a  material and adverse  effect on the
demand for the combined company's products.

    DEPENDENCE  ON  SUPPLIERS  AND  THIRD-PARTY  MANUFACTURERS.    Certain   key
components  in the combined company's products, such as integrated circuits, are
currently available  only  from  single  sources. Neither  ICOT  nor  Amati  has
long-term  supply contracts with its sole source vendors and both purchase these
components on  a  purchase order  basis.  In addition,  certain  components  and
subassemblies  for  the  companies' products  have  long lead  times.  While the
companies seek to accurately forecast their requirements, inaccuracies in  their
forecasts  could result  in shortages or  oversupplies of  these components. The
inability  to  obtain  sufficient  quantities  of  sole  source  components   or
subassemblies  as required, or to develop alternative sources as required in the
future,  or  inaccuracies  in  forecasts  for  long  lead  time  components   or
subassemblies  could  result in  delays or  reductions  in product  shipments or
product redesigns  which  would materially  and  adversely affect  the  combined

                                       16
<PAGE>
company's  business,  operating results  and  financial condition.  In addition,
increases in the prices  of components for which  the combined company does  not
have  alternate  sources  could  materially and  adversely  affect  the combined
company's operating results.

    The combined company  intends to outsource  its manufacturing operations  to
independent  third party manufacturers. There are  risks associated with the use
of independent manufacturers, including unavailability of or delays in obtaining
adequate supplies of products and  reduced control of manufacturing quality  and
production  costs. There can  be no assurance that  the combined company's third
party manufacturers  will provide  adequate supplies  of quality  products on  a
timely basis. The inability to obtain such products on a timely basis would have
a  material adverse effect on the combined company's business, operating results
and financial condition.

    DEPENDENCE ON PROPRIETARY  TECHNOLOGY.  The  combined company's success  and
ability  to compete will  be dependent in part  upon its proprietary technology.
The combined company will  rely on a combination  of patents, copyrights,  trade
secrets  and non-disclosure  agreements to  protect its  proprietary technology.
Amati currently owns or has exclusive  rights under 4 United States patents  and
has  applied for  an additional 10  United States patents  and the corresponding
patent cooperation treaties applications ("PCTs") in certain foreign  countries.
There can be no assurance that patents will be issued with respect to pending or
future  patent applications or that any patents  owned or licensed by Amati will
be upheld as valid or will prevent the development of competitive products. ICOT
and  Amati  generally  enter  into  confidentiality  and  invention   assignment
agreements  with  their  employees  and  consultants  and  limit  access  to the
distribution of their software, documentation and other proprietary information.
There can be no assurance that the  steps taken by the companies in this  regard
will  be  adequate to  prevent misappropriation  of  their technologies  or that
competitors will not independently  develop technologies that are  substantially
equivalent  or superior to the companies' technologies. In addition, the laws of
some foreign countries do not protect  the companies' proprietary rights to  the
same  extent as do the laws of the United States. The companies are also subject
to the  risk of  adverse  claims and  litigation  alleging infringement  of  the
intellectual  property rights  of others. There  can be no  assurance that third
parties will not assert  infringement claims in the  future with respect to  any
current  or  future  products or  that  any  such claims  will  not  require the
companies to enter into license arrangements or result in protracted and  costly
litigation,  regardless of the merits of such  claims. No assurance can be given
that any  necessary licenses  will  be available  or  that, if  available,  such
licenses can be obtained on commercially reasonable terms.

    COMPETITION  IN ICOT'S  PC TO  MAINFRAME CONNECTIVITY  BUSINESS.   The PC to
Mainframe Connectivity  market is  highly competitive  and is  characterized  by
rapid  advances in technology which frequently result in the introduction of new
products with improved  performance characteristics,  thereby subjecting  ICOT's
products to the risk of technological obsolescence. ICOT's ability to compete is
dependent  on  several  factors,  including:  reliability,  product performance,
quality, features,  distribution  channels, name  awareness,  customer  support,
product  development capabilities, and  the ability to  meet delivery schedules.
ICOT competes, directly or indirectly, with a broad range of companies, many  of
whom have significantly greater financial and other resources. In addition, ICOT
is  only competing  for a limited  and declining segment  of the PC-Connectivity
market, which is  itself declining  and expected  to continue  to decline.  ICOT
expects revenues from its PC-Connectivity business to continue to decline.

    ICOT'S  RSI LAWSUIT.  ICOT is a defendant in a suit brought in November 1993
alleging repetitive stress  injuries ("RSI")  resulting from the  use of  ICOT's
products  and claiming  $1 million in  compensatory and $10  million in punitive
damages. While ICOT believes  that the claim is  without merit and has  tendered
defense  of the suit to  its insurance carriers, there  can be no assurance that
the suit will not have  a material adverse effect  on the financial position  or
results of operations of the combined company.

    POSSIBLE  VOLATILITY OF STOCK PRICES; SHARES  ELIGIBLE FOR FUTURE SALE.  The
market price of ICOT  Common Stock has been  highly volatile, especially  during
the past two quarters. See "Price Range of

                                       17
<PAGE>
Common  Stock." Upon  completion of  the Merger, the  market price  is likely to
continue to be volatile.  As a result  of this transaction,  ICOT will issue  or
reserve  for  issuance a  total of  8,405,335 additional  shares of  ICOT Common
Stock. Persons  who  are  affiliates  of Amati  and  are  presently  holders  of
approximately  544,083 shares of the 865,083  outstanding shares of Amati Voting
Stock have agreed that they will not sell or otherwise transfer any ICOT  Common
Stock  received by them in the Merger within  90 days of the Effective Time, and
thereafter, without the  written consent  of ICOT, that  they will  not sell  or
otherwise  transfer more than 25%  of such ICOT Common  Stock within one year of
the Effective Time; and Dr. Cioffi, who presently holds 200,000 shares of  Amati
Common Stock and Amati Options to purchase 150,000 shares of Amati Common Stock,
has  agreed,  without the  written consent  of  ICOT, not  to sell  or otherwise
transfer more than 25% of his ICOT  common stock equivalents within one year  of
the  Effective Time or more than 50% of his ICOT common stock equivalents within
two years of the  Effective Time. In  addition, such shares  will be subject  to
resale restrictions imposed by Rule 145. See "Terms of the Merger -- Affiliates'
Restrictions  on Sale of  Stock." Additionally, based on  the trading history of
its stock, ICOT believes factors such  as announcements of new products by  ICOT
or  its  competitors,  sales  of  stock into  the  market  by  existing holders,
quarterly fluctuations in ICOT's financial results and general conditions in the
communications market have caused and are likely to continue to cause the market
price of  the  ICOT  Common  Stock  to  fluctuate  substantially.  In  addition,
technology company stocks have experienced extreme price and volume fluctuations
that  often have been unrelated to  the operating performance of such companies.
Because the market  price of ICOT  Common Stock is  subject to fluctuation,  the
market value of the shares of ICOT Common Stock that the Amati shareholders will
receive in the Merger may increase or decrease prior to the Merger.

   
    SHARE  OWNERSHIP OF  ICOT BY  AMATI SHAREHOLDERS.   Upon the  closing of the
Merger, the former security  holders of Amati as  a group will beneficially  own
approximately  35% of the  outstanding ICOT common  stock equivalents (including
all options and  warrants). John M.  Cioffi will own  approximately 8.6% of  the
outstanding  ICOT common stock equivalents  (including all options and warrants)
and will be the largest stockholder  of ICOT. See "Information Concerning  Amati
- --  Principal  Shareholders."  After  the Merger,  Dr.  Cioffi  will  be granted
Performance Options exercisable (subject to  vesting) for an additional  808,205
shares  of ICOT Common Stock. See "Terms  of the Merger -- Performance Options."
Accordingly, the former  shareholders of  Amati as a  group, and  Dr. Cioffi  in
particular,  will be in a position to  have a significant influence on corporate
matters which require the vote of ICOT stockholders. Because ICOT's  Certificate
of  Incorporation provides for  cumulative voting in  the election of directors,
the former  Amati shareholders,  assuming all  6,788,924 shares  of ICOT  Common
Stock  are issued and outstanding and still held by these persons, will have the
ability to  elect two  directors.  See "Description  of  ICOT Capital  Stock  --
Comparison  of  the Rights  of Holders  of  ICOT and  Amati Stock  -- Cumulative
Voting."
    

                                       18
<PAGE>
                SELECTED HISTORICAL AND PRO FORMA FINANCIAL DATA

    The following selected  historical statements of  operations data set  forth
below  of Amati  for each of  the three years  in the period  ended December 31,
1994, and the balance sheet data at December 31, 1993 and 1994 have been derived
from, and are  qualified by  reference to,  the financial  statements of  Amati,
which  have been  audited by  Ernst & Young  LLP, independent  auditors, and are
included elsewhere  in  this  Prospectus/Proxy  Statement.  The  Amati  selected
historical statements of operations data for the period from inception (December
31, 1991) to June 30, 1995, and for the six months ended June 30, 1994 and 1995,
and the selected historical balance sheet data of Amati as of June 30, 1995, are
derived from unaudited financial statements which have been prepared on the same
basis  as  the  audited financial  statements  and,  in the  opinion  of Amati's
managment, include all adjustments, consisting of normal recurring  adjustments,
necessary  for a  fair presentation thereof.  Operating results  for the interim
period are  not necessarily  indicative of  the  results of  Amati that  may  be
expected  for the entire  year ended December 31,  1995. The selected historical
consolidated statements of operations data set forth below for ICOT for each  of
the  three  years  in  the  period  ended  July  30,  1994,  and  the historical
consolidated balance sheet data of ICOT at July 31, 1993 and July 30, 1994, have
been derived from, and are qualified by reference to, the consolidated financial
statements  of  ICOT,  audited  by  Arthur  Andersen  LLP,  independent   public
accountants, and included elsewhere in this Prospectus/Proxy Statement. The ICOT
selected  historical consolidated  statements of  operations data  for the years
ended July 28, 1990 and July  27, 1991 and the selected historical  consolidated
balance sheet data of ICOT at July 28, 1990, July 27, 1991 and July 25, 1992 are
derived from audited financial statements not included herein. The ICOT selected
historical  consolidated statements of operations data for the nine months ended
April 30, 1994  and April 29,  1995, and the  selected historical balance  sheet
data  of ICOT at April 29, 1995, are derived from unaudited financial statements
which have been prepared on the  same basis as the audited financial  statements
and,  in  the opinion  of ICOT,  reflect all  adjustments, consisting  of normal
recurring adjustments,  necessary for  a  fair presentation  thereof.  Operating
results  for the interim period are not necessarily indicative of the results of
ICOT that may be expected for the entire year ended July 29, 1995. The  selected
pro  forma  combined financial  data  of Amati  and  ICOT are  derived  from the
unaudited pro forma combined  condensed financial statements included  elsewhere
herein  and should  be read  in conjunction with  such pro  forma statements and
notes thereto.  For  pro  forma  purposes,  ICOT's  consolidated  statements  of
operations  for the fiscal  year ended July  30, 1994 and  the nine months ended
April 29, 1995 have been combined with the statements of operations of Amati for
the comparable twelve month and  nine month periods, respectively. In  addition,
ICOT's  consolidated balance sheet as  of April 29, 1995  has been combined with
Amati's balance  sheet  as  of June  30,  1995.  The pro  forma  information  is
presented  for illustrative purposes  only and is  not necessarily indicative of
the operating results  and financial position  that would have  occurred if  the
Merger  had  been  consummated,  nor  is  it  necessarily  indicative  of future
operating results or financial position.

                                       19
<PAGE>
                       SELECTED HISTORICAL FINANCIAL DATA
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
ICOT CORPORATION
<TABLE>
<CAPTION>
                                                              YEARS ENDED                           NINE MONTHS ENDED
                                         -----------------------------------------------------  -------------------------
                                         JULY 28,   JULY 27,   JULY 25,   JULY 31,   JULY 30,    APRIL 30,    APRIL 29,
                                           1990       1991       1992       1993       1994        1994          1995
                                         ---------  ---------  ---------  ---------  ---------  -----------  ------------
                                                                                                       (UNAUDITED)
<S>                                      <C>        <C>        <C>        <C>        <C>        <C>          <C>
Historical Consolidated Statements of
 Operations Data:
  Net sales............................  $  14,344  $  15,630  $  26,324  $  12,307  $   8,236   $   5,837   $      8,737
  Gross margin.........................  $   6,304  $   7,197  $  13,653  $   4,685  $   3,808   $   2,878   $      3,676
  Income (loss) from operations........  $  (1,707) $  (4,722) $   2,931  $  (6,221) $     318   $     192   $        820
  Net income (loss)....................  $    (698) $    (660) $   3,133  $  (5,963) $     503   $     326   $        960
  Net income (loss) per share..........  $    (.05) $    (.05) $     .23  $    (.46) $     .04   $     .03   $        .08
  Weighted average common and common
   equivalent shares outstanding.......     12,725     12,750     13,471     12,897     12,319      12,428         11,595

<CAPTION>

                                         JULY 28,   JULY 27,   JULY 25,   JULY 31,   JULY 30,
                                           1990       1991       1992       1993       1994
                                         ---------  ---------  ---------  ---------  ---------
                                                                                                              APRIL 29,
                                                                                                                 1995
                                                                                                             ------------
                                                                                                             (UNAUDITED)
<S>                                      <C>        <C>        <C>        <C>        <C>        <C>          <C>
Historical Consolidated Balance Sheet
 Data:
  Working capital......................  $   5,082  $  12,237  $  13,653  $   8,590  $   7,292               $      8,272
  Total assets.........................     17,612     18,997     21,101     12,936     11,391                     10,730
  Long-term debt, excluding current
   portion.............................        849      2,132      1,566      1,099        428                        295
  Total stockholders' equity...........     12,777     12,117     15,493      9,239      8,792                      9,191
</TABLE>

AMATI COMMUNICATIONS CORPORATION
(A DEVELOPMENT STAGE COMPANY)

   
<TABLE>
<CAPTION>
                                                                                                 SIX MONTHS ENDED
                                           YEARS ENDED DECEMBER 31                             --------------------
                                       -------------------------------                         JUNE 30,   JUNE 30,
                                         1992       1993       1994                              1994       1995
                                       ---------  ---------  ---------                         ---------  ---------
                                                                        PERIOD FROM INCEPTION
                                                                         (DECEMBER 31, 1991)
                                                                                 TO
                                                                            JUNE 30, 1995
                                                                        ---------------------
                                                                             (UNAUDITED)           (UNAUDITED)
<S>                                    <C>        <C>        <C>        <C>                    <C>        <C>
Historical Statements of Operations
 Data:
  Total Revenues.....................  $   1,825  $   4,285  $   4,861        $  11,119        $   4,283  $     148
  Gross profit.......................      1,136      2,143      2,535            5,966            2,507        148
  Operating (loss) income............       (455)      (964)      (736)          (5,674)           1,323     (3,518)
  Net (loss) income..................       (466)      (989)       965            6,353            1,313      3,933
  Net (loss) income per share........       1.95      (3.20)     (2.24)          (17.57)            2.67      (7.80)
  Weighted number of common shares
   and common share equivalents......        238        309        430              362              492        504
</TABLE>
    

   
<TABLE>
<CAPTION>
                                                   DECEMBER 31
                                         -------------------------------
                                           1992       1993       1994
                                         ---------  ---------  ---------                                      JUNE 30,
                                                                                                                1995
                                                                                                            ------------
                                                                                                            (UNAUDITED)
<S>                                      <C>        <C>        <C>        <C>                    <C>        <C>
Historical Balance Sheet Data:
Working capital........................  $    (636) $  (1,564) $  (2,298)                                   $     (5,567)
Total assets...........................        409      1,419      1,118                                             304
Total shareholders' deficit............       (474)    (1,444)    (1,981)                                         (5,331)
</TABLE>
    

                                       20
<PAGE>
              SELECTED UNAUDITED PRO FORMA COMBINED FINANCIAL DATA
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<TABLE>
<CAPTION>
                                                                                YEAR ENDED
                                                                                 JULY 30,      NINE MONTHS ENDED
                                                                                 1994 (1)      APRIL 29, 1995 (1)
                                                                              ---------------  ------------------
<S>                                                                           <C>              <C>
Pro forma combined statements of operations data: (2)
  Net sales.................................................................    $    14,588        $    9,454
  Loss from operations......................................................         (1,374)           (3,246)
  Net loss..................................................................         (1,380)           (3,303)
  Net loss per share........................................................           (.09)             (.21)

<CAPTION>

                                                                                               APRIL 29, 1995 (1)
                                                                                               ------------------
<S>                                                                           <C>              <C>
Pro forma combined balance sheets data: (2)
  Working capital...........................................................                       $      435
  Total assets..............................................................                            6,779
  Long-term debt, excluding current portion.................................                              295
  Shareholders' equity......................................................                            1,577
<FN>
- ------------------------

(1)  The unaudited pro forma combined statements of operations data give  effect
     to  the Merger  as if  it occurred  on August  1, 1993,  and the  pro forma
     combined balance sheet data gives effect to the Merger as if it occurred on
     April 29, 1995. The  Merger, which is expected  to be completed in  October
     1995,  will be accounted for as a purchase and will result in the immediate
     write-off of approximately  $33.4 million  of research  and development  in
     process. The pro forma combined statements of operations do not include the
     effect  of the write-off of research and  development in process as it is a
     non-recurring charge directly attributable to the Merger. See "ICOT Manage-
     ment's Discussion  and  Analysis  of Financial  Condition  and  Results  of
     Operations"  and Note 2 of Notes  to Pro Forma Combined Condensed Financial
     Statements.

(2)  The unaudited pro forma  combined statements of  operations do not  reflect
     the  estimated merger costs of $800,000,  but the effect of these estimated
     costs is included in the pro forma combined balance sheet data as of  April
     29,  1995. See further discussion at Note  1 of Notes to Pro Forma Combined
     Condensed Financial Statements.
</TABLE>

                                       21
<PAGE>
                           COMPARATIVE PER SHARE DATA

   
    The following tabulation reflects: (a)  the historical net income per  share
of  ICOT Common Stock  in comparison with  the pro forma  combined unaudited net
loss per  share after  giving effect  to  the proposed  Merger on  a  "purchase"
accounting method with Amati; and (b) the historical net loss per share of Amati
Common Stock in comparison with the pro forma unaudited net loss attributable to
the assumed Applicable Ratio of 4.6126 per share of ICOT Common Stock which will
be  received for each share of Amati  Voting Stock. The information presented in
this tabulation  should be  read  in conjunction  with  the pro  forma  combined
condensed  financial  statements and  the separate  financial statements  of the
respective companies  and  the notes  thereto  appearing elsewhere  herein.  The
unaudited  pro  forma  combined  condensed financial  data  are  not necessarily
indicative of  the operating  results  that would  have  been achieved  had  the
transaction  been in  effect as  of the beginning  of the  periods presented and
should not be construed as representative of future operations. Neither ICOT nor
Amati has ever declared or paid cash  dividends on its shares of capital  stock.
The  combined  company does  not  expect to  pay  dividends for  the foreseeable
future.
    
   
<TABLE>
<CAPTION>
                                                                             YEAR ENDED JULY    NINE MONTHS ENDED
                                                                                30, 1994         APRIL 29, 1995
                                                                            -----------------  -------------------
<S>                                                                         <C>                <C>
Historical -- ICOT
  Net income per share....................................................      $     .04           $     .08
  Book value per share (1)................................................      $     .74           $     .80

<CAPTION>

                                                                               YEAR ENDED       SIX MONTHS ENDED
                                                                            DECEMBER 31, 1994     JUNE 30, 1995
                                                                            -----------------  -------------------
<S>                                                                         <C>                <C>
Historical -- Amati
  Net loss per share......................................................      $   (2.24)          $   (7.80)
  Book value per share (1)................................................      $   (4.10)          $   (9.87)
<CAPTION>

                                                                               YEAR ENDED       NINE MONTHS ENDED
                                                                              JULY 30, 1994      APRIL 29, 1995
                                                                            -----------------  -------------------
<S>                                                                         <C>                <C>
Pro Forma Combined
  Net loss per share (2)..................................................      $    (.09)          $    (.21)
  Book value per share (1)................................................         N/A         $           .10
</TABLE>
    

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

(1) Historical book value per share is computed by dividing total  stockholders'
    equity by the number of shares of common stock outstanding at the end of the
    period.  Pro forma book  value per share  is computed by  dividing pro forma
    combined stockholders' equity  by the  pro forma  number of  shares of  ICOT
    Common Stock.

   
(2)  The calculation of  weighted average common shares  outstanding used in the
    computation of pro  forma combined net  loss per share  assumes an  exchange
    ratio  of 4.6126 shares of ICOT Common  Stock for each share of Amati Common
    Stock and 4.6126 shares of ICOT Common Stock for each share of Amati  Series
    A  Preferred Stock. Common  equivalent shares consisting  of shares issuable
    upon the exercise of stock options and warrants have been excluded from  the
    calculation  of  weighted average  common shares  as  their effect  would be
    anti-dilutive.
    

                                       22
<PAGE>
                          PRICE RANGE OF COMMON STOCK

    ICOT Common  Stock,  $.20 par  value,  is  currently traded  on  the  Nasdaq
National  Market ("NNM") under the symbol "ICOT." If ICOT's stockholders approve
the amendment to  the Certificate  of Incorporation to  change the  name of  the
corporation  to "Amati Communications Corporation,"  the NNM trading symbol will
become AMTX.

   
    As of September  29, 1995, the  number of stockholders  of record of  ICOT's
Common Stock was approximately 1,751.
    

    The  high and  low closing sales  prices as  reported on the  NNM during the
periods indicated are set forth below:
   
<TABLE>
<CAPTION>
FISCAL 1996                                                            LOW       HIGH
- ------------------------------------------------------------------  ---------  ---------
<S>                                                                 <C>        <C>
First Quarter (through October 5, 1995)...........................  $    2.50  $    6.56

<CAPTION>

FISCAL 1995                                                            LOW       HIGH
- ------------------------------------------------------------------  ---------  ---------
<S>                                                                 <C>        <C>
First Quarter.....................................................  $    0.88  $    1.25
Second Quarter....................................................       0.63       1.06
Third Quarter.....................................................       0.69       1.56
Fourth Quarter....................................................       1.13       3.38
<CAPTION>

FISCAL 1994                                                            LOW       HIGH
- ------------------------------------------------------------------  ---------  ---------
<S>                                                                 <C>        <C>
First Quarter.....................................................  $    0.94  $    1.38
Second Quarter....................................................       1.06       1.50
Third Quarter.....................................................       1.13       2.13
Fourth Quarter....................................................       0.75       1.38
<CAPTION>

FISCAL 1993                                                            LOW       HIGH
- ------------------------------------------------------------------  ---------  ---------
<S>                                                                 <C>        <C>
First Quarter.....................................................  $    0.94  $    2.88
Second Quarter....................................................       0.94       2.13
Third Quarter.....................................................       0.91       1.63
Fourth Quarter....................................................       1.00       1.63
</TABLE>
    

   
    On March  20,  1995,  the  last  trading  day  prior  to  the  first  public
announcement by ICOT and Amati concerning the proposed merger, the closing price
of  the ICOT Common Stock reported on the NNM was $1.31 per share. On October 5,
1995, the closing price of ICOT Common  Stock as reported on the NNM was  $4.625
per share.
    

    There is no public market for the Amati Voting Stock. As of August 30, 1995,
there were 16 stockholders of record of Amati Voting Stock.

    Amati  has  never  paid cash  dividends  on  its Common  Stock  or  Series A
Preferred Stock. ICOT has not paid cash dividends on its Common Stock. Following
the Merger, ICOT  does not  plan to  pay dividends on  its Common  Stock in  the
foreseeable future.

                                       23
<PAGE>
                                  INTRODUCTION

   
    This   Prospectus/Proxy  Statement  is  furnished  in  connection  with  the
solicitation by ICOT and Amati of proxies to be voted at the ICOT Meeting, which
will be held on November  6, 1995 and the Amati  Meeting, which will be held  on
October 27, 1995.
    

    The  principal  purpose of  the  Meetings is  to  consider and  vote  upon a
proposal to approve the Merger Agreement among ICOT, Amati and IAAC. At the ICOT
Meeting, ICOT stockholders of record also will be asked to approve amendments to
ICOT's Certificate of  Incorporation to change  the name of  the corporation  to
"Amati  Communications  Corporation" and  to increase  the authorized  number of
shares of Common Stock from 20,000,000 to 45,000,000, and amendments to the ICOT
1990 Stock Option Plan to increase the number of shares available thereunder  by
2,600,000  shares and to limit  the number of shares that  may be granted to any
participant in  any  one-year  period  to  1,000,000  shares.  See  "Information
Concerning  ICOT -- Additional Matters  for Consideration of ICOT Stockholders."
The stockholders of  ICOT and the  shareholders of  Amati may also  be asked  at
their  respective Meetings to transact such  other business as may properly come
before the meeting or any adjournments thereof.

   
    Pursuant to  the  Merger Agreement,  Amati  will  be merged  into  IAAC.  On
consummation  of the  Merger, each outstanding  share of Amati  Common Stock and
Series A Preferred  Stock (other than  shares, if any,  as to which  dissenters'
rights  have been exercised  pursuant to California law)  will be converted into
shares of ICOT Common Stock equal to the Applicable Ratio. ICOT will also assume
the Amati  Options  and issue  Substitute  Warrants for  the  outstanding  Amati
Warrants, all on the basis of the Applicable Ratio. Assuming that the Adjustment
Condition  is satisfied, ICOT will issue or  reserve for issuance to the holders
of Amati Common Stock, Amati Series  A Preferred Stock, Amati options and  Amati
warrants  a  total of  6,788,924 shares  of  ICOT Common  Stock, and,  after the
Merger, on a fully-diluted basis, former Amati securities holders will hold  35%
of  the  total outstanding  common  stock equivalents  of  ICOT and  former ICOT
securities holders will hold 65% of the outstanding common stock equivalents  of
ICOT. See "Terms of the Merger -- Manner and Basis of Converting Shares," "Terms
of  the Merger -- Applicable Ratio  and Adjustments to Applicable Ratio," "Terms
of the Merger -- Adjustment  Condition," "Terms of the  Merger -- Offer to  Note
Holders,"  "Terms of the Merger -- Amati Stock Options" and "Terms of the Merger
- -- Substitution of Warrants." In addition, following the Merger, ICOT will issue
options (the "Performance Options") to purchase 1,616,411 shares of ICOT  Common
Stock  to  key employees  of  Amati. See  "Terms  of the  Merger  -- Performance
Options." 1,050,000 shares  of ICOT  Common Stock to  be issued  in the  Merger,
allocated  pro rata from the shares to be  issued to each holder of Amati Voting
Stock (including holders of Amati Warrants  or Amati Options who exercise  prior
to  or  as  of the  Closing),  will be  delivered  to  an escrow  to  secure the
indemnification  obligations  of  Amati  shareholders  under  the  Agreement  of
Reorganization. See "Terms of the Merger -- Escrow of Shares," and "Terms of the
Merger  -- Exchange of Certificates."  Holders of Amati Voting  Stock who do not
vote  their  shares  in  favor  of  the  Merger  Agreement  may,  under  certain
circumstances  and by following prescribed  statutory procedures, have the right
to require such shares  to be purchased  for cash. See "Terms  of the Merger  --
Dissenters' Rights."
    

    THE  BOARD OF DIRECTORS  OF EACH COMPANY HAS  UNANIMOUSLY CONCLUDED THAT THE
MERGER AGREEMENT AND THE  TRANSACTIONS CONTEMPLATED THEREBY ARE  FAIR TO AND  IN
THE  BEST INTERESTS OF SUCH COMPANY AND ITS STOCKHOLDERS. THE BOARD OF DIRECTORS
OF EACH COMPANY UNANIMOUSLY RECOMMENDS THAT STOCKHOLDERS OF SUCH COMPANY VOTE IN
FAVOR OF THE MERGER AGREEMENT.

    The principal executive offices of ICOT are located at 3801 Zanker Road, San
Jose, California  95150, and  its  telephone number  at  that address  is  (408)
433-3300. The principal executive offices of Amati are located at 1975 El Camino
Real  West, Mountain  View, California 94040,  and its telephone  number at that
address is (415) 903-2350.

   
    This Prospectus/Proxy Statement is being mailed to stockholders of ICOT  and
Amati on or about October   , 1995.
    

                                       24
<PAGE>
                               VOTING AND PROXIES

DATE, TIME AND PLACE OF MEETINGS

   
    The  ICOT Meeting will  be held at ICOT's  principal executive offices, 3801
Zanker Road, San Jose, California on November 6, 1995 at 1:30 p.m., local time.
    

   
    The Amati Meeting will be held at Amati's principal executive offices,  1975
El  Camino Real West, Mountain  View, California, on October  27, 1995, at 10:00
a.m., local time.
    

RECORD DATE AND OUTSTANDING SHARES

    ICOT

   
    Stockholders of record  of ICOT  Common Stock at  the close  of business  on
September  29, 1995 (the  "ICOT Record Date")  are entitled to  notice of and to
vote at the  ICOT Meeting.  At the ICOT  Record Date,  approximately 1,751  ICOT
stockholders  were holders of record and  12,064,602 shares of ICOT Common Stock
were  issued  and   outstanding.  Except  for   stockholders  identified   under
"Information  Concerning ICOT -- Security Ownership of Certain Beneficial Owners
and Management," there were no persons known to the management of ICOT to be the
beneficial owners of more than 5% of the outstanding ICOT Common Stock.
    

    AMATI

    Shareholders of record of Amati Stock at the close of business on August 30,
1995 (the "Amati  Record Date") are  entitled to notice  of and to  vote at  the
Amati  Meeting. At the  Amati Record Date,  there were 16  Amati shareholders of
record, and  approximately 540,083  shares  of Amati  Common Stock  and  325,000
shares  of Amati Series A  Preferred Stock (convertible into  a total of 325,000
shares of Common  Stock for a  total of  865,083 shares of  Amati Voting  Stock)
issued   and  outstanding.   Except  for   the  shareholders   identified  under
"Information Concerning Amati -- Principal Shareholders," there were no  persons
known  to the management of Amati to be the beneficial owners of more than 5% of
the outstanding Amati Voting Stock.

VOTING OF PROXIES

    All properly executed  proxies that  are not revoked  will be  voted at  the
Meetings   in  accordance  with  the  instructions  contained  therein.  Proxies
containing no  instructions regarding  the proposals  specified in  the form  of
proxy  will be voted for approval of the Merger Agreement in accordance with the
recommendation of the  Boards of Directors  of ICOT  and Amati and,  in case  of
ICOT,  for  approval  of  the  other  proposals  described  under  the  captions
"Additional Matters  for  Consideration  of ICOT  Stockholders."  If  any  other
matters  are properly brought before  the Meetings and submitted  to a vote, all
proxies will be voted in accordance with the judgment of the persons voting  the
proxies. Any stockholder signing a proxy has the power to revoke it prior to the
respective  Meeting or at the  respective Meeting prior to  the vote pursuant to
the proxy. A proxy may  be revoked by a subsequent  proxy that is signed by  the
stockholder  and presented at  the Meeting or  by attendance at  the Meeting and
casting a vote.

VOTE REQUIRED

   
    Under Delaware law, approval of the Merger requires the affirmative vote  of
the  holders of a  majority of the  outstanding shares entitled  to vote of ICOT
Common Stock.  The  affirmative  vote  of  the holders  of  a  majority  of  the
outstanding  shares entitled to vote of ICOT  Common Stock will also be required
to approve  the  additional matters  submitted  for consideration  of  the  ICOT
stockholders,  including increasing the authorized  number of ICOT Common Stock,
which  is  required  to   effect  the  Merger.   See  "Additional  Matters   for
Consideration  of  ICOT Stockholders."  Under  California law,  approval  of the
Merger requires  the affirmative  vote of  the holders  of the  majority of  the
outstanding  shares of Amati  Common Stock and  of the Amati  Series A Preferred
Stock,  voting  as  separate  classes.  Directors  beneficially  owning,  as  of
September  29, 1995, 621,600 shares of ICOT Common Stock, or 5.15% of the issued
and outstanding shares, have  agreed to vote in  favor of the Merger.  Directors
and  affiliates beneficially  owning, as of  August 30, 1995,  494,083 shares or
91.5% of the issued and
    

                                       25
<PAGE>
outstanding shares of  Amati Common  Stock and 250,000  shares or  76.9% of  the
issued  and outstanding  shares of Amati  Series A Preferred  Stock have granted
ICOT irrevocable proxies.  See "The  Merger and Related  Transactions --  Voting
Agreements"  and "The Merger  and Related Transactions  -- Irrevocable Proxies."
Consummation of the Merger is subject  to approval of the ICOT stockholders  and
the  Amati shareholders and of  a number of other  conditions. See "Terms of the
Merger -- Conditions to the Merger."

    Approval of other  matters at  the ICOT  Meeting will  require approvals  as
described  under  the  heading  "Additional Matters  for  Consideration  of ICOT
Stockholders."

SOLICITATION OF PROXIES AND EXPENSES

    Each of ICOT and  Amati will bear  the cost of  the solicitation of  proxies
from  its  respective stockholders.  In addition  to  solicitation by  mail, the
directors, officers and  employees of ICOT  and Amati may  solicit proxies  from
stockholders by telephone, telegram, letter or in person. Arrangements will also
be made with brokerage houses and other custodians, nominees and fiduciaries for
the  forwarding of solicitation material to  the beneficial owners of stock held
of record  by ICOT's  stockholders,  and ICOT  will reimburse  such  custodians,
nominees  and fiduciaries for reasonable out-of-pocket expenses incurred by them
in connection therewith. ICOT  may engage a proxy  solicitation firm to  solicit
proxies  and  distribute materials  to brokerage  houses, banks,  custodians and
other nominee holders. ICOT will bear the entire cost of the fee payable to  any
such proxy solicitation firm.

                      THE MERGER AND RELATED TRANSACTIONS

BACKGROUND TO THE MERGER

    Over  the period from July to  September 1994, ICOT's management conducted a
series of planning sessions to address the future direction of the company.  The
ICOT  Board evaluated the alternatives  of in-house development versus acquiring
technology through a merger  and decided to search  for a merger candidate  that
had leading-edge technology. From July 1994 through January 1995, ICOT undertook
such  a search.  During the  same time,  Amati was  seeking financing  through a
private investment and not a merger.

    In January 1995,  ICOT approached Amati  to open discussions  with Amati  to
determine  if  Amati would  qualify as  a merger  candidate. Although  Amati was
relatively far along with discussions  with several venture capital groups,  the
proposed  financing  plans  from  venture  capital  sources  suggested  a  basic
recapitalization of  Amati and  included substantial  dilution to  the  existing
Amati  shareholders.  Thus  Amati  felt  it  would  be  appropriate  to consider
alternatives and entered into discussions with ICOT.

    A series of discussions ensued  between the companies. By mid-February,  the
parties  had agreed on  several key points.  First, the parties  agreed that the
VLSI chip  products (engines)  being developed  by Amati  could be  utilized  in
conjunction  with data communication  products developed by  ICOT, and that this
could  enhance  and  expand  the   market  potential  for  products  from   both
organizations.  Second,  ICOT  and  Amati  agreed  that  there  were significant
potential  savings  in  combining  their  engineering  services,  manufacturing,
finance,  and human  resources functions.  Third, the  two companies  decided to
explore  potential  business   arrangements,  including   a  possible   business
combination,  and  agreed  to  execute more  detailed  management  due diligence
investigations. Finally, ICOT and Amati  agreed that if a reasonable  evaluation
range  could be established, the management  teams would report the results back
to their  respective boards  for consideration.  Over the  next two  weeks,  the
parties held joint management meetings to discuss sales, engineering and finance
functions of both companies and to explore the potential synergies and the other
benefits  of a  business combination. During  that time, the  parties also began
conducting their respective due diligence investigations.

    In early March, the companies discussed a proposed ownership split providing
for ICOT security holders  to retain approximately 55%  of the combined  company
and Amati security holders to receive approximately 45% of the combined company.
On March 20, 1995, Amati and ICOT executed a non-

                                       26
<PAGE>
binding  letter of intent  evidencing their intention  to negotiate a definitive
agreement providing for that ownership split.  The letter of intent was  subject
to  a number of conditions, including completion of detailed legal and financial
due diligence by each company and their  advisors. On March 21, 1995, Amati  and
ICOT made a public announcement of the letter of intent.

    Both  companies continued their financial  and operational due diligence and
also conducted  detailed legal  due  diligence. The  two companies  executed  an
Agreement  and Plan of Reorganization  and Merger on May  15, 1995 (the "Earlier
Agreement"). A public announcement of the execution of the Earlier Agreement was
made on May 16, 1995.

    On June 7, 1995, Amati informed  ICOT of developments that would  negatively
affect  Amati's operating cash by approximately  $1,000,000 for the remainder of
1995 and that a lack  of capital was causing Amati  to delay shipments and  miss
commitments  with  its  key  customers.  During  June  and  July,  the companies
discussed conditions whereby ICOT would  be willing to advance additional  funds
to Amati prior to a merger and negotiated changes to the ownership split. During
that  period,  ICOT  also  conducted additional  financial  and  operational due
diligence on Amati. In early August, ICOT agreed to lend Amati up to  $1,600,000
in  additional funds, contingent upon ICOT's  gaining control of the Amati Board
and ICOT's  receiving irrevocable  proxies from  certain Amati  affiliates.  The
companies  also agreed to revised  terms for the Merger  which provide for Amati
securities holders to receive approximately 35%  of the combined company in  the
Merger  and  key Amati  employees to  receive  options after  the Merger  for an
additional 1,616,411  shares  of  ICOT  Common Stock.  A  restated  and  amended
Agreement  of Reorganization, incorporating these new terms, was executed by the
parties on August 4, 1995. A public  announcement of the new Agreement was  made
on August 7, 1995.

REASONS FOR THE MERGER

    The  ICOT and Amati  Boards believe that the  following benefits are reasons
for ICOT  stockholders and  the  Amati shareholders  to  vote FOR  approval  and
adoption of the Merger Agreement and approval of the Merger.

    - The  product development  efforts of Amati  and ICOT  are synergistic. The
      Amati development effort  has been focused  on transceivers utilizing  its
      DMT   technology.  Amati  must  have   the  capability  to  interface  its
      transmission products  to  various  networks and  to  provide  development
      services  in such areas as backplane design, network management interfaces
      and other mechanical design activities. ICOT engineers apply  transmission
      technology  in networking  system level  products. The  combined technical
      resources of the combined company  should provide an efficient  capability
      to enter the market with system level products.

    - There is an opportunity to benefit from the economies of scale afforded by
      the  Merger.  Financial benefits  will be  derived from  reducing expenses
      resulting  from  the   combination  of  operational   functions  such   as
      manufacturing   management,  engineering  services,   finance,  and  human
      resources.

    The ICOT Board believes that  the following benefits are additional  reasons
for  ICOT stockholders to vote FOR approval and adoption of the Merger Agreement
and approval of the Merger.

    - The ICOT Board desired to obtain new technology for business growth and to
      lessen dependence on IBM. The  ICOT Board considered the alternatives  for
      obtaining new technology, evaluating in-house development versus acquiring
      technology through a merger. The Board believes that the merger with Amati
      provides  ICOT with a  better opportunity than  in-house development would
      provide to work with a leading-edge technology and to develop and bring to
      market new products in an emerging marketplace.

    - The Merger provides ICOT with  access to Amati's emerging DMT  technology.
      Amati's  DMT technology was selected as the ANSI standard, and as a result
      is recognized as  the United  States standard, for  ADSL. ICOT  considered
      this  a very  important achievement  for Amati's  DMT technology  and also
      considered Motorola's contract with Amati to be an endorsement of  Amati's
      DMT technology.

                                       27
<PAGE>
    - ICOT  management views the  Merger as a  long-term opportunity to increase
      company revenues by providing products for the evolving multimedia market.

    - The  Merger  will   enable  ICOT  stockholders   to  participate  in   the
      opportunities for growth of the combined company after the Merger.

   
    Prior  to June  7, 1995  the ICOT  Board concluded  that the  Merger as then
proposed was fair to the  ICOT stockholders because, although not  quantifiable,
the  benefits to  ICOT stockholders noted  above would significantly  add to the
value of  ICOT by  enhancing  its future  prospects, notwithstanding  the  risks
associated  with the Merger. This conclusion  was based on the information about
Amati obtained  in  due  diligence,  the Board  members'  experience  in  making
investments  in development stage companies,  and the Board's business judgment.
The ICOT Board did not believe that a cap on the number of shares of ICOT Common
to be issued in the Merger was appropriate because it believed that any increase
in the value of ICOT Common after announcement of the Merger would be due either
to general increases in the  stock market or to  the market's assessment of  the
value  of the Merger to ICOT. After Amati informed ICOT of negative developments
on June 7,  1995, the ICOT  Board concluded that  the adjusted terms  negotiated
with Amati were fair to the ICOT stockhoders based on the factors noted above in
light of the new information.
    

    The  Amati Board believes that the following benefits are additional reasons
for Amati shareholders to vote FOR approval and adoption of the Merger Agreement
and approval of the Merger.

    - Amati is a development stage company which to date has depended on outside
      funding, including development contract  revenues, and which has  actively
      been  seeking additional  capital to meet  its current  obligations and to
      provide for continued product development.  Its markets are embryonic  and
      continuing  investment  will be  required  to provide  the  opportunity to
      participate in  the digital  video  access market,  if it  develops.  ICOT
      brings cash for immediate investment in Amati's operations and through its
      access  to public markets gives the combined company more alternatives for
      raising capital in the future than Amati would have as a private  company.
      Amati  had  been  seeking financing  through  traditional  venture capital
      sources. The Merger  provides short-term financing  with less dilution  to
      the  present  shareholders  of Amati.  By  obtaining 35%  of  the combined
      company on a common equivalent basis, Amati security holders will retain a
      long-term opportunity  to  benefit  from  future  development  of  Amati's
      technology and commercialization of its products.

    - The  Merger provides an opportunity for  Amati security holders to achieve
      liquidity over time.

    - ICOT brings  a developed  infrastructure in  the areas  of  manufacturing,
      engineering services and finance.

    - The proposed management structure of the combined company will give former
      Amati  officers  and  directors  a  fair  opportunity  to  assist  in  the
      management of the combined company.

    - Key Amati  employees will  receive options  for 1,616,411  shares of  ICOT
      Common Stock.

    - The Merger will be a tax free transaction for Amati shareholders.

   
    The  Amati Board considered the  above factors in light  of its knowledge of
the business of Amati  and the information regarding  ICOT presented by  Amati's
management.  In applying its business judgment, the Amati Board did not assign a
relative weight to any  of the factors considered.  However the Amati Board  did
place  an emphasis on  the value of the  ICOT stock to be  received by the Amati
shareholders, making the Applicable Ratio fair to the Amati shareholders from  a
financial  point of  view. The value  of such stock  at the time  of signing the
letter of  intent  exceeded  valuations  placed  on  Amati  by  venture  capital
investors  in negotiations taking place just  prior to Amati's negotiations with
ICOT. The Amati Board believed that ICOT's  stock, which had been trading at  or
around  $1.00  per shares  as  the two  companies  considered merging,  had good
potential for appreciation following  the merger of the  two companies. In  June
1995,    when    the    two   companies    amended    the    Earlier   Agreement
    

                                       28
<PAGE>
   
and reduced the percentage of  the combined company to  be held by former  Amati
equity  holders  from 45%  to  35%, the  Amati  Board continued  to  believe the
proposed merger was  fair to  the shareholders  of Amati.  At the  time of  such
amendment, the price of ICOT's stock had risen to more than $3.00, substantially
increasing  the value of the ICOT stock  to be received by Amati shareholders at
the revised Applicable Ratio.
    

BUSINESS AFTER THE MERGER

   
    After the  Merger,  the combined  company  will continue  to  market  ICOT's
products,  primarily to  the OEM market.  The combined company  intends to focus
primarily on the  development of Amati's  DMT technology to  provide high  speed
digital video, voice and data transmission over copper and cable media.
    

   
    The  development plan for commercializing Amati's DMT technology has several
steps, beginning with two prototype products for the ADSL market, Overture 4 and
Overture 8. Amati  began shipping Overture  4 for beta  testing in summer  1995.
First  customer shipments of Overture 8 for field trial are scheduled for fiscal
1996. These prototypes  will incorporate custom  semiconductors designed by  the
combined  company's microelectronics  group and  will not  be suitable  for mass
market deployment. Amati currently  plans to introduce a  version of Overture  8
with  a custom chip suitable  for mass market deployment  in 1997. Amati's first
VDSL product,  Piccolo,  is  not  expected  to  be  available  for  mass  market
deployment until late 1997 at the earliest. These statements are forward looking
statements,  and actual development  may vary substantially  from this plan. See
"Information Concerning Amati --  Products and Markets"  and the "Risk  Factors"
referred to in that Section.
    

MANAGEMENT AFTER THE MERGER

    DIRECTORS

    Following  the Merger, the  Board of Directors of  the combined company will
consist of Arnold N. Silverman, Aamer Latif and Donald L. Lucas, each of whom is
presently a director of ICOT and, since August 4, 1995, also of Amati, and James
F. Gibbons and John M.  Cioffi, each of whom is  presently a director of  Amati.
All  such directors will serve until their successors have been duly elected and
qualified or otherwise  as provided by  law. If  the Merger is  approved, it  is
expected  that  the ICOT  Board  will increase  the size  of  the Board  to five
members, William D. Witter will resign from the Board, and ICOT will appoint Dr.
Gibbons and Dr. Cioffi  to fill the  vacancies. As a result  of this process,  a
vote  in favor of the Merger will, in effect, be a vote in favor of electing Dr.
Gibbons and Dr. Cioffi as directors of ICOT. See "Information Concerning ICOT --
Executive Officers and Directors" and "Information Concerning Amati -- Executive
Officers and Directors."

    OFFICERS

   
    Mr. Latif will serve as acting President, Chief Executive Officer and  Chief
Financial Officer, and Terry Medel as Treasurer, Secretary and Controller of the
combined  company. The  Amati Board  is actively  seeking a  new Chief Executive
Officer for the combined company. In addition, Dr. Cioffi will be appointed Vice
President of Engineering and Chief Technical Officer, and Joseph H. Grady,  Vice
President  of Worldwide Sales.  The Amati Board  is seeking additional executive
officers with relevant industry experience, and the combined company may appoint
additional executive officers after the  Merger. Because Amati is a  development
stage  company, and because the businesses of  Amati and ICOT must be integrated
after the Merger, the ultimate management  structure of the combined company  is
subject  to change.  Dr. Cioffi  has entered  into an  employment agreement with
Amati which will be assumed by the combined company. See "Information Concerning
ICOT -- Executive Officers and  Directors" and "Information Concerning Amati  --
Executive Officers and Directors."
    

VOTING AGREEMENTS

    In  connection  with the  execution  of the  Merger  Agreement, each  of the
directors of ICOT has agreed to vote all shares of ICOT Common Stock held by him
in favor of the Merger Agreement and the Merger. Such agreement is not  intended
to  prohibit  any stockholder  who is  also a  director of  ICOT from  acting in
accordance with the  stockholder's respective  fiduciary duty as  a director  of
ICOT.

                                       29
<PAGE>
IRREVOCABLE PROXIES

   
    In  consideration of the continuation of existing loans and the providing of
an additional loan  to Amati,  ICOT has  received Irrevocable  Proxies from  the
following  affiliates  of Amati:  James  F. Gibbons,  John  M. Cioffi,  James F.
Ottinger, Ronald K. Maxwell, Stanford University and University Ventures II. The
Irrevocable Proxies appoint ICOT, as proxyholder, to attend and vote all  shares
of  Amati  capital stock  which  such persons  own  or control,  beneficially or
otherwise, including any shares acquired during the term of the proxies  through
the  exercise of Amati Options or Amati Warrants, at any and all meetings of the
shareholders of Amati, and any adjournments thereof, held on or after the  date,
and prior to the termination of, such proxies and to execute any and all written
consents of shareholders of the corporation executed on or after the date of the
giving of the proxies and prior to the termination of the proxies, with the same
effect  as if such persons had personally attended the meeting or had personally
voted the shares or  had personally signed the  written consent. However,  under
the terms of the Irrevocable Proxies, the right to vote on the following matters
has  been  expressly  reserved by  the  shareholders:  (1) any  merger  or other
reorganization, as defined in Section  181 of the California Corporations  Code,
of  Amati or the  sale of all or  substantially all of  Amati's assets, in which
ICOT is, directly or indirectly, the  acquiring party, other than the Merger  as
defined  in Merger Agreement; (2) any merger or other reorganization, as defined
in Section 181 of the California Corporations Code, of Amati, or the sale of all
or substantially all  of Amati's  assets, if in  such transaction  the value  of
Amati  (in the case of a noncash transaction, as determined in good faith by the
Board of Directors of Amati) is less  than $10 million; (3) any dissolution  and
liquidation  of Amati; and (4) any amendment  to the articles of Amati to change
the rights,  preferences,  privileges or  restrictions  of the  Amati  Series  A
Preferred Stock.
    

                              TERMS OF THE MERGER

    The  detailed terms of, and  conditions to, the Merger  are contained in the
Amended and Restated Agreement  of Reorganization and  the Agreement of  Merger,
copies  of which are  attached to this Prospectus/Proxy  Statement as APPENDIX A
and  APPENDIX  B,  respectively,  and  incorporated  herein  by  reference.  The
statements  made in this Prospectus/Proxy Statement with respect to the terms of
the Merger and related transactions are qualified in their entirety by the  text
of those Agreements, collectively referred to herein as the "Merger Agreement."

EFFECTIVE DATE OF THE MERGER

   
    The  Merger  Agreement  provides  for  the  Merger  of  Amati  into  IAAC, a
wholly-owned subsidiary of ICOT.
    

   
    The Merger will be effective when the Agreement of Merger is filed with  the
Secretary of State of the State of California in accordance with California law.
See  "Terms of the Merger -- Conditions  to the Merger." It is anticipated that,
if the Merger is approved at the Amati  Meeting and at the ICOT Meeting and  all
other  conditions to the Merger have been  fulfilled or waived, the Agreement of
Merger will be filed on or about November 10, 1995.
    

MANNER AND BASIS OF CONVERTING SHARES

    As of the Effective Date of the Merger, each issued and outstanding share of
Amati Common Stock and Series A Preferred  Stock (other than shares, if any,  as
to which dissenters' rights have been exercised pursuant to California law) will
be  converted  into the  number  of shares  of ICOT  Common  Stock equal  to the
Applicable Ratio.

   
    No fractional shares of ICOT Common Stock will be issued in connection  with
the  Merger. In lieu of fractional  shares, each Amati shareholder who otherwise
would be entitled to a fractional share will receive cash equal to the per share
market value of ICOT  Common Stock, based  on the closing  price of ICOT  Common
Stock  on the NNM on the trading day  immediately prior to the Effective Date of
the Merger, multiplied by the fraction of a share of ICOT Common Stock to  which
the shareholder would otherwise be entitled.
    

                                       30
<PAGE>
   
ESCROW OF SHARES
    

   
    Under  the terms  of the Merger  Agreement, 1,050,000 shares  of ICOT Common
Stock otherwise issuable in the Merger, allocated pro rata among the holders  of
Amati  Common  Stock (including  holders of  Amati  Warrants who  exercise their
warrants prior to or effective as of  the Closing) and Amati Series A  Preferred
Stock,  will be held in an escrow for  a period of one year following the Merger
to indemnify ICOT  against damages  and expenses  arising from  breaches of  the
representations, warranties and covenants of Amati contained in the Agreement of
Reorganization.  Such indemnification  will only  cover damages  and expenses in
excess of $90,000 in  the aggregate. One  year after the  Effective Date of  the
Merger,  all shares  then remaining  in the  escrow not  subject to  a claim for
indemnification  by  ICOT,  will  be  distributed  pro  rata  to  former   Amati
shareholders  according to the  number of shares  of Amati Voting  Stock held by
them at the time Effective Time of the Merger.
    

   
    John Bingham, Frank Kocsis, Kathy Ku  and James Ottinger have been  selected
to  act  as representatives  of the  Amati shareholders  in connection  with the
escrow. By  their  approval  of  the Merger  Agreement  and  Merger,  the  Amati
shareholders  shall be  authorizing these  four persons  to represent  them with
respect to all matters related to the escrow and the indemnification obligations
under the Agreement of Reorganization.
    

APPLICABLE RATIO AND ADJUSTMENTS TO APPLICABLE RATIO

   
    The Applicable Ratio is  expected to be 4.6126  shares of ICOT Common  Stock
per  share of Amati  Voting Stock. This  assumes that (i)  no Amati shareholders
exercise dissenters'  rights and  (ii) all  holders of  Outstanding Amati  Notes
accept the Offer to Note Holders. See "-- Offer to Note Holders."
    

    The  Applicable Ratio equals a fraction, the  numerator of which is equal to
(x) 6,788,924 less (y) the aggregate number of shares of ICOT Common Stock  that
are  issuable upon exercise of the  Substitute Warrants being issued in exchange
for Fair Value Warrants, (z) less the aggregate number of shares of ICOT  Common
Stock,  if any, being issued to satisfy  the Adjustment Condition (which will be
496,667 shares if  all holders of  Outstanding Amati Notes  accept the Offer  to
Note Holders), and the denominator of which is the fully diluted number of Amati
common  stock  equivalents at  the Closing  (excluding common  stock equivalents
covered by  the  Fair Value  Warrants  outstanding at  the  Closing);  provided,
however,  that the fraction will be adjusted  if the Adjustment Condition is not
met.

    If the Offer to Note Holders is  not accepted by all holders of  Outstanding
Amati  Notes, but is accepted to the  extent necessary to satisfy the Adjustment
Condition, then  the Applicable  Ratio will  be increased  accordingly, but  the
combined company will be in a less favorable cash position than it will be in if
the offer is fully accepted. If the Offer to Note Holders is not accepted to the
extent  necessary to satisfy  the Adjustment Condition, then  Amati must use its
best efforts  to satisfy  the Adjustment  Condition in  some other  manner.  See
"Adjustment  Condition." If the Adjustment Condition  is not satisfied, then the
Applicable Ratio will be adjusted by reducing the numerator thereof by the whole
number closest to a fraction  the numerator of which  is the shortfall by  which
the Adjustment Condition is not satisfied and the denominator of which is 75% of
the  average of the closing prices of ICOT Common Stock on the NNM over the five
trading days ending three trading days before the date of this  Prospectus/Proxy
Statement.

   
    Based  on the closing sale price of ICOT Common Stock on August 30, 1995, if
the Applicable Ratio is  4.6126, each share  of Amati Voting  Stock will have  a
market value of approximately $19.60.
    

ADJUSTMENT CONDITION

    Pursuant  to the Merger Agreement, Amati has  agreed to use its best efforts
to obtain $838,000 in new financing for  Amati prior to the consummation of  the
Merger.  This requirement is called the "Adjustment Condition." Amati may obtain
such financing by a combination of the following: (a) by extending the due dates
of the Outstanding  Amati Notes to  at least  January 31, 1997  (in which  event
financing  shall be deemed to have been  obtained in the principal amount of the
Outstanding Amati Notes so extended); (b)  by obtaining new notes on  comparable
terms to the Outstanding Amati Notes with due dates not earlier than January 31,
1997    (in    which    event    financing    shall    be    deemed    to   have

                                       31
<PAGE>
been obtained in the principal  amount of such new  notes); or (c) by  providing
for  the issuance at Closing of shares of  ICOT Common Stock (i) in exchange for
cancellation of accounts  payable of Amati  (in which event  financing shall  be
deemed  to have been obtained  in the amount of  the accounts payable canceled),
(ii) by the exercise of Amati Warrants (in which event financing shall be deemed
to have  been obtained  in  the amount  of the  exercise  price), or  (iii)  for
cancellation of Outstanding Amati Notes together with the related Amati Warrants
(in which event financing shall be deemed to have been obtained in the principal
amount  of the Outstanding Amati Notes canceled). The terms for issuance of ICOT
Common Stock  pursuant to  clause (c)  were established  by the  Amati Board  as
constituted  prior to the  execution of the Agreement  of Reorganization and may
involve discounts to either the purchase price  of the ICOT Common Stock or  the
exercise  price of the Amati  Warrants. ICOT has agreed  to issue at the Closing
the ICOT  Common Stock  issuable pursuant  to  clause (c).  The Amati  Board  as
constituted prior to execution of the Agreement of Reorganization appointed Drs.
Gibbons  and Cioffi to determine how, within the specified ways, Amati will seek
to satisfy the Adjustment Condition. Amati is seeking to satisfy the  Adjustment
Condition  through the Offer to Note Holders. See "-- Offer to Note Holders." If
the Offer to Note Holders is not accepted to the extent necessary to satisfy the
Adjustment Condition,  Amati may  use  best efforts  to satisfy  the  Adjustment
Condition in some other way, as decided by Drs. Gibbons and Cioffi.

OFFER TO NOTE HOLDERS

   
    In  order to improve  the cash condition  of the combined  company as of the
Closing, and as a means of meeting the Adjustment Condition, Amati would like to
induce holders  of Outstanding  Amati Notes  to extend  the due  dates of  their
notes.  By means of the Notice to Holders being mailed to such holders with this
Prospectus/Proxy Statement,  Holders of  Outstanding Amati  Notes who  agree  to
extend  payment of the  principal and interest on  their Outstanding Amati Notes
until January  31, 1997  are being  offered the  opportunity to  exercise  their
corresponding Amati Warrrants effective as of the Closing at a reduced price per
share. If the offer is accepted, a holder will receive upon exercise of an Amati
Warrant,  effective as of the Closing, the number of shares of ICOT Common Stock
determined by dividing  the aggregate exercise  price of such  Amati Warrant  by
$1.50, at an exercise price of $1.50 per share, payable in cash.
    

   
    An  Outstanding  Amati  Note may  be  extended and  the  corresponding Amati
Warrant may be exercised for  ICOT Common Stock by  delivering the note and  the
warrant  to the principal  office of Amati,  accompanied by payment  in full, in
cash or by check  payable to the order  of Amati Communications Corporation,  of
the  exercise price,  AT ANY  TIME BEFORE 5:00  P.M., CALIFORNIA  LOCAL TIME, ON
NOVEMBER 3, 1995.  As soon as  practicable after the  Effective Date, ICOT  will
issue  a new promissory note identical to such Outstanding Amati Note but with a
due date of  January 31, 1997.  THE SHARES OF  ICOT COMMON STOCK  ISSUED AT  THE
CLOSING  WILL BE REGISTERED UNDER THE SECURITIES  ACT AND WILL BE SUBJECT TO THE
ESCROW.
    

    The federal income tax treatment of  holders of Outstanding Amati Notes  who
accept  the Offer to  Note Holders is  unclear. See "Certain  Federal Income Tax
Matters."

    As of August  31, 1995, the  aggregate principal amount  of the  Outstanding
Amati  Notes was $745,000 and the  aggregate purchase price of the corresponding
Amati Warrants was $745,000.  If all holders of  Amati Outstanding Notes  accept
the  offer to extend the due date of their notes and exercise their warrants for
ICOT Common Stock, 496,667 shares  of ICOT Common Stock  will be issued to  them
(subject  to the  escrow requirement)  at the  Closing. Amati  believes that the
extension of  the  Outstanding Amati  Notes  and  the improvement  in  the  cash
position  that will result from the exercise of the corresponding Amati Warrants
will be advantageous  to the  combined company  and, accordingly,  to all  Amati
securities holders.

                                       32
<PAGE>
EXCHANGE OF CERTIFICATES

    Promptly  after the  Effective Date  of the  Merger, ICOT  will cause  to be
mailed or otherwise delivered  to each Amati shareholder  of record a letter  of
transmittal  with instructions  to be used  by such  shareholder in surrendering
certificates that,  prior to  the  Merger, represented  shares of  Amati  Voting
Stock.

    Upon  surrender of an Amati stock certificate, together with a duly executed
letter of transmittal,  ICOT and  Chemical Mellon, ICOT's  transfer agent,  will
arrange  for  the holder  of such  certificate to  receive in  exchange therefor
certificates evidencing the number of shares of ICOT Common Stock to which  such
holder of Amati Voting Stock is entitled based on the Applicable Ratio, less the
number  of shares  which have  been delivered  to the  escrow on  behalf of such
holder (and  cash for  any fractional  share). In  the event  there has  been  a
transfer  of ownership of shares of Amati  Voting Stock that is not reflected on
the transfer  records  of  Amati,  ICOT  Common Stock  may  be  delivered  to  a
transferee  if the certificate representing such Amati Voting Stock is presented
to ICOT, together with the related letter of transmittal, and accompanied by all
documents required to evidence and effect such transfer and to evidence that any
applicable stock transfer taxes have been paid.

    One year  after  the Effective  Date  of the  Merger,  all the  shares  then
remaining  in escrow not subject to a claim for indemnification by ICOT shall be
released to the former  Amati shareholders pro rata  according to the number  of
shares of Amati Voting Stock held by them at the Effective Date of the Merger.

    Until  an Amati  stock certificate has  been surrendered to  ICOT, each such
certificate shall be deemed at any time  after the Effective Date of the  Merger
to  represent the right  to receive, upon such  surrender, certificates for such
number of shares of ICOT Common Stock to which the shareholder is entitled under
the Merger Agreement. After the Effective Date  of the Merger, there will be  no
further registration of transfers of Amati Voting Stock.

    AMATI  SHAREHOLDERS  SHOULD NOT  SURRENDER  THEIR CERTIFICATES  FOR EXCHANGE
PRIOR TO APPROVAL OF THE MERGER BY THE ICOT STOCKHOLDERS AND AMATI SHAREHOLDERS.

AMATI STOCK OPTIONS

   
    As of August 30,  1995, 580,000 shares of  Amati Common Stock were  reserved
for  issuance  pursuant to  Amati's 1992  Stock Option  Plan (the  "Amati Option
Plan") of which options to  purchase a total of  364,700 shares of Amati  Common
Stock  were outstanding.  The terms of  the Amati Option  Plan allow outstanding
options to  be assumed  by a  successor company  in a  transaction such  as  the
Merger.  See "Assumption of the Amati Stock  Option Plan." Amati does not intend
to issue additional options prior to the consummation of the Merger.
    

    The Amati Option Plan and all outstanding and unexercised options to acquire
Amati Common Stock (the "Amati Options") thereunder will be assumed by ICOT upon
consummation of the Merger. Each such Amati Option will become exercisable for a
number of shares of  ICOT Common Stock  equal to the number  of shares of  Amati
Common Stock issuable upon exercise of the Amati Option immediately prior to the
Merger  multiplied by the Applicable Ratio at  an exercise price per share equal
to the original  exercise price per  share divided by  the Applicable Ratio  and
will  otherwise have  the same exercise  period and other  terms and conditions.
Those Amati incentive stock options that are assumed by ICOT in connection  with
the  Merger are, pursuant to Section 424(a) of the Internal Revenue Code of 1986
(the "Code"), expected  to continue  to qualify  as incentive  stock options  as
defined  in Section 422 of the Code to the extent that they were incentive stock
options prior to the Merger.

SUBSTITUTION OF WARRANTS

    For each Dollar Value  Warrant outstanding as of  the Effective Date of  the
Merger,  ICOT will issue a Substitute Warrant exercisable for a number of shares
of ICOT Common  Stock determined by  multiplying the number  of shares of  Amati
Common  Stock issuable  upon the  exercise of such  Dollar Value  Warrant by the
Applicable Ratio, at an exercise price for each full share of ICOT Common  Stock

                                       33
<PAGE>
equal  to the  exercise price  per share  of Amati  Common Stock  divided by the
Applicable Ratio. For  each outstanding Fair  Value Warrant, ICOT  will issue  a
Substitute  Warrant exercisable  for the number  of shares of  ICOT Common Stock
determined by dividing  the aggregate purchase  price by $4.926  at an  exercise
price  of  $4.926 for  each  full share  of  ICOT Common  Stock.  The Substitute
Warrants have  the same  terms and  conditions as  the Amati  Warrants they  are
replacing.  See "Information Concerning Amati -- Description of Amati Warrants."
If AMATI WARRANTS ARE  EXERCISED PRIOR TO  OR EFFECTIVE AS  OF THE CLOSING,  THE
WARRANT  HOLDERS  WILL  RECEIVE  SHARES  OF ICOT  COMMON  STOCK  THAT  HAVE BEEN
REGISTERED UNDER  THE  SECURITIES  ACT.  THE SUBSTITUTE  WARRANTS  WILL  NOT  BE
REGISTERED  UNDER THE SECURITIES ACT, AND THE  HOLDERS THEREOF WILL NOT HAVE ANY
RIGHT TO REGISTER  THE SUBSTITUTE  WARRANTS OR THE  SHARES TO  BE RECEIVED  UPON
EXERCISE THEREOF.

    The  exchange of unexercised  Amati Warrants for  Substitute Warrants in the
Merger will result in  a taxable gain  or loss to the  holders at the  Effective
Date. See "Certain Federal Income Tax Matters."

    As  soon as practicable after the  Effective Date, ICOT shall make available
for exchange a Substitute Warrant for each outstanding Amati Warrant,  whereupon
such  Amati Warrant shall be canceled. ICOT  shall mail to each holder of record
of an Amati Warrant that has not been exercised at the Closing, (i) a letter  of
transmittal  (which shall specify  that delivery shall be  effected, and risk of
loss and title to the Substitute Warrant shall pass, only upon delivery to  ICOT
of  the Amati Warrant  being exchanged and  shall have such  other provisions as
ICOT may reasonably  specify) and  (ii) instructions  for use  in effecting  the
surrender  of  the Amati  Warrant  in exchange  for  a Substitute  Warrant. Upon
surrender to  ICOT of  an Amati  Warrant for  cancellation, together  with  such
letter  of transmittal, duly executed, the holder of such Amati Warrant shall be
entitled to receive in exchange therefor a Substitute Warrant. The Amati Warrant
so  surrendered  shall  forthwith  be  canceled.  Until  an  Amati  Warrant   is
surrendered  to ICOT, each such Amati Warrant  shall be deemed at any time after
the Effective Date to represent only the right to receive upon such surrender  a
Substitute Warrant.

PERFORMANCE OPTIONS

    ICOT  has agreed to  issue, within one  month after the  Closing, options to
purchase 1,616,411 shares of ICOT Common Stock under the ICOT 1990 Stock  Option
Plan  to certain employees of Amati, provided that the employee is then employed
by ICOT and  has exercised  the Amati  Options granted to  him or  her prior  to
January  1, 1995. The Performance Options shall  be granted at fair market value
and be exercisable for at least six months from the vesting date. Except as  set
forth  below, these Performance Options shall  vest on the fourth anniversary of
the grant date.

    Vesting of the Performance Options shall be accelerated if net revenues from
sales of Amati products and license revenues (other that advance royalties) from
Amati technology  between  July 1,  1995  and  June 30,  1996,  ("Amati  Product
Revenues") exceed $8,000,000. ICOT shall instruct Arthur Andersen LLP to conduct
an audit of the Amati Product Revenues and deliver an audited statement of Amati
Product Revenues no later than the time of delivery to ICOT of audited financial
statements  of ICOT's  1996 fiscal  year. The date  of delivery  of such audited
statement of Amati  Product Revenues shall  be deemed  to be the  date to  which
vesting of the Performance Options will be accelerated, if appropriate.

    Notwithstanding  the condition  for accelerated  vesting of  the Performance
Options, pursuant to the Merger Agreement, the management of Amati prior to  the
Merger  is required  to operate Amati  in accordance with  its business judgment
considering the  long-term interests  of Amati,  assuming that  the Merger  will
occur,  and the management of ICOT after  the Merger is required to operate ICOT
in accordance with its business judgment  considering the interests of ICOT  and
all  of its  stockholders, in  each case  without regard  to the  vesting of the
Performance Options.

CONDUCT OF BUSINESS PRIOR TO THE MERGER

    Under the  Agreement of  Reorganization, ICOT  and Amati  have agreed  that,
until  the Effective Date of the Merger, each company will carry on its business
in the ordinary and usual course, use its

                                       34
<PAGE>
best efforts to carry  on and preserve its  business and its relationships  with
customers,  suppliers, employees and others in  substantially the same manner as
it has prior to the Agreement of Reorganization, and will not, without the prior
written consent of the  other party, enter  into certain specified  transactions
outside the ordinary course of business.

    Each  company also has  agreed to advise  the other of  any event that would
render any representation or warranty  contained in the Merger Agreement  untrue
or inaccurate and of any material adverse change in the company's business. Each
company  further has agreed  to advise the  other of any  material action, suit,
proceeding or investigation initiated by or against it, or known by the  company
to  be  threatened  against  it  and  to use  its  best  efforts  to  obtain all
authorizations, approvals and  consents necessary  for the  consummation of  the
Merger.

    In addition, each company has agreed to provide the other company (including
accounting,  legal and  investment banking  representatives) with  access to its
offices and senior employees for the purpose of due diligence.

ICOT LOANS TO AMATI

    In March 1995, ICOT provided Amati with an unrestricted working capital loan
in the principal  amount of  $750,000 and,  in May  1995, agreed  to provide  an
additional  loan, up  to a  maximum principal amount  of $2,650,000,  to pay the
principal and interest due under certain  bridge loans payable by Amati, to  pay
Amati accounts payable in the amount of approximately $150,000 and to fund up to
$150,000  in engineering services to  be provided to Amati  by ICOT. These loans
were evidenced by  senior secured  promissory notes (the  "Amati Senior  Secured
Notes")  in the principal amounts  of $750,000 and up  to $2,650,000, which bore
interest at 7.91% and 9.0%, respectively, and which were due and payable at  the
earliest of March 21, 1996, a material breach by Amati of the Earlier Agreement,
the  closing of  an Amati financing,  the merger  of Amati with  or into another
company, or the acquisition of all or a substantial part of the assets of Amati.
As security for the Amati  Senior Secured Notes, Amati  and ICOT entered into  a
Security  Agreement dated May 15, 1995 (the "Security Agreement"), giving ICOT a
security interest in all of the assets and properties, tangible and  intangible,
of  Amati, including, without limitation, its  technology. Upon the execution of
the Agreement of Reorganization on August 4, 1995, the outstanding principal and
interest due on the Amati Senior Secured Notes was $3,022,800.

    Pursuant to  the  Agreement  of  Reorganization, ICOT  has  agreed  to  make
additional  funds available  to Amati up  to such  amount as to  bring the total
amount of ICOT loans outstanding to Amati (including the principal and  interest
on the Amati Senior Secured Notes) to $5,000,000, which funds are to be provided
to  Amati as  necessary to cover  reasonable operating expenses,  as approved by
ICOT. Upon execution of the Agreement of Reorganization, ICOT canceled the Amati
Senior Secured Notes in exchange for  a secured note having a maximum  principal
amount  of $5,000,000 (the  "New Amati Note").  The New Amati  Note, which bears
interest at the lowest rate required to avoid the computation of interest  under
federal  and state  income tax laws  or regulations,  is due and  payable on the
earlier of November 30, 1995 or a  material breach by Amati of the Agreement  of
Reorganization.  ICOT and Amati also amended the Security Agreement to cover the
New Amati Note.

AMATI WARRANT TO ICOT

   
    In consideration of  execution of  the Agreement of  Reorganization, and  in
exchange for the option and warrant granted to ICOT under the Earlier Agreement,
Amati  has issued  to ICOT  a warrant  exercisable for  65% of  the common stock
equivalents of Amati at  an aggregate purchase price  of $5,000,000, payable  in
cash or by cancellation of the New Amati Note (the "New Amati Warrant"). The New
Amati  Warrant is exercisable any  time prior to or on  November 30, 1996 in the
event that the Merger does not occur for any reason prior to November 30, 1995.
    

CONDITIONS TO THE MERGER

    In addition to the approval by the stockholders of ICOT and shareholders  of
Amati  of the principal terms  of the Merger Agreement,  the obligations of ICOT
and Amati to consummate the

                                       35
<PAGE>
Merger are subject to the satisfaction of a number of conditions, including: (a)
ICOT's notification to the NNM  of the proposed issuance  of the shares of  ICOT
Common  Stock pursuant to the Merger and  upon exercise of Amati Options assumed
by ICOT pursuant to the Merger and upon exercise of the Substitute Warrants; (b)
the accuracy of the representations and warranties made in the Merger Agreement;
(c) the performance of the covenants contained in the Merger Agreement; (d)  the
absence  of any threatened  or pending litigation or  proceeding which could, in
the reasonable discretion  of ICOT  or Amati,  render completion  of the  Merger
inadvisable  or impractical;  (e) the receipt  by each company  of a certificate
signed by  an officer  of the  other company  certifying to  the fulfillment  of
certain  conditions to  the Merger;  (f) the  receipt by  ICOT and  Amati of any
permits or authorizations that  may be required  by regulatory authorities;  (g)
the  receipt of  legal opinions  and other  documents; (h)  the approval  of the
increases in authorized capital and in the shares authorized for issuance  under
the  ICOT 1990 Stock Option  Plan by the ICOT  stockholders; (i) the issuance of
ICOT Common  Stock and  the  Substitute Warrants  in  the Merger  complies  with
federal  and state securities laws; (j) the  approval of the Merger Agreement by
the holders of  at least 95%  of the  outstanding Amati Voting  Stock; (k)  that
certain Amati agreements are in full force and effect at the Effective Date; (l)
a  key person life insurance policy on the  life of Dr. Cioffi be in effect; (m)
that the Irrevocable Proxies be in full  force and effect; (n) that Dr.  Gibbons
and  Dr. Cioffi be  appointed to the ICOT  Board of Directors;  and (o) that the
Voting Agreements be in full force and effect. Conditions (i), (j), (k), (l) and
(m) apply only to ICOT's obligation to consummate the Merger. Conditions (n) and
(o) apply only to Amati's obligation  to consummate the Merger. Consummation  of
the  Merger will also require that ICOT stockholders approve the increase in the
authorized number of shares of ICOT Common Stock.

    At any time on or prior to the  Effective Date of the Merger, to the  extent
legally  allowed,  either of  ICOT or  Amati, by  action taken  by its  Board of
Directors, and without approval of the  stockholders of such company, may  waive
compliance  with any  of the  agreements or  conditions contained  in the Merger
Agreement for the benefit of such company.

TERMINATION OR AMENDMENT OF AGREEMENT OF REORGANIZATION

   
    The Agreement of Reorganization may be  terminated at any time prior to  the
Effective  Date of the Merger, without regard to whether stockholder approval of
the Merger has been obtained: (a) by mutual consent of ICOT and Amati; or (b) by
either ICOT or Amati if  any of the conditions  precedent to the obligations  of
such party have not been fulfilled by November 30, 1995 or on the happening of a
material  breach by the other  party. See "Terms of  the Merger -- Conditions to
the Merger."
    

   
    The Agreement of Reorganization may be amended by the parties thereto at any
time before or  after the approval  of the  Merger by the  ICOT stockholders  or
Amati's  shareholders, except  that, after such  approval has  been obtained, no
amendment may be  made that by  law requires  the further approval  of the  ICOT
stockholders or the Amati shareholders unless such approval is obtained.
    

CERTAIN FEDERAL INCOME TAX MATTERS

    Set  forth below is a discussion of certain federal income tax consequences,
under the  Internal Revenue  Code of  1986, as  amended (the  "Code"), to  ICOT,
Amati,  Amati shareholders who  receive ICOT Common Stock  in exchange for Amati
Voting Stock as a result of the  Merger or who receive payment for their  shares
upon  exercise of their dissenters' rights or payment for fractional shares, and
Amati Warrant holders who receive Substitute Warrants and holders of Outstanding
Amati Notes who  exercise their warrants  effective as of  the Closing for  ICOT
Common  Stock. This  discussion is  based upon  current provisions  of the Code,
applicable Treasury Regulations, judicial authority, and current  administrative
rulings  and pronouncements of the Internal Revenue Service (the "Service"), any
of which may be  changed with retroactive effect.  Any such change could  affect
this  discussion of federal income tax matters. This discussion does not address
all aspects  of  federal taxation  that  may  be relevant  to  particular  Amati
securities  holders, nor the effects of state, local or foreign income taxation.
In addition,  the  following  discussion  generally does  not  address  the  tax
consequences  of transactions effectuated prior to  or after the Merger (whether
or not such transactions are in  connection with the Merger) including,  without
limitation,    the   exercise    of   options   to    purchase   Amati   capital

                                       36
<PAGE>
stock, the conversion of Amati Series A Preferred Stock to Amati Common Stock in
anticipation of the Merger, or the forfeiture  to ICOT of shares held in  escrow
to provide indemnification to ICOT under the Merger Agreement.

    AMATI  SECURITIES HOLDERS ARE  URGED TO CONSULT WITH  THEIR OWN TAX ADVISORS
REGARDING THE  SPECIFIC TAX  CONSEQUENCES  TO THEM  OF  THE MERGER  AND  RELATED
TRANSACTIONS,  INCLUDING THE APPLICABILITY OF  FEDERAL, STATE, LOCAL AND FOREIGN
TAX LAWS.

    Neither ICOT nor Amati has requested a ruling from the Service in connection
with the Merger. As a  condition to consummation of  the Merger, ICOT and  Amati
will  each receive from its respective counsel an opinion to the effect that the
Merger will constitute a reorganization within the meaning of Section 368(a)  of
the  Code. An opinion represents only the  best judgment of tax counsel. Neither
the description of the tax consequences  set forth below nor such opinions  will
be binding on the Service, and the Service may adopt a position contrary to that
described below.

    CONSEQUENCES TO ICOT AND AMATI

    The  Merger is intended to constitute  a reorganization under Section 368(a)
of the Code if carried out in the  manner set forth in the Merger Agreement.  By
reason  of the Merger constituting  a "reorganization," no gain  or loss will be
recognized by ICOT, IAAC or Amati on account of the Merger.

    CONSEQUENCES TO AMATI SHAREHOLDERS

    By virtue of the qualification of the Merger as a "reorganization" under the
Code, no gain  or loss will  be recognized  by the Amati  shareholders upon  the
receipt in the Merger of ICOT Common Stock in exchange for their shares of Amati
Voting Stock.

    The  aggregate tax  basis of  the ICOT Common  Stock received  by each Amati
shareholder (including any  fractional share  not received and  any ICOT  Common
Stock  held in escrow), will be the same as the aggregate tax basis of the Amati
Voting Stock surrendered in exchange therefor.

    The holding period  for each  share of ICOT  Common Stock  received by  each
shareholder  of Amati in exchange for Amati Voting Stock will include the period
for which  such shareholder  held  the Amati  Voting Stock  exchanged  therefor,
provided such shareholder's Amati Voting Stock is held as a capital asset at the
Effective Date of the Merger.

    Shareholders  of Amati who exercise dissenters' rights with respect to their
shares of Amati Voting  Stock and who  receive payment for  such shares in  cash
(see  "Terms of  the Merger  -- Dissenters'  Rights"), will  generally recognize
capital gain or capital  loss measured by the  difference between the amount  of
cash  received and  the shareholder's basis  in such shares,  provided that such
shares are a capital  asset in the  hands of such  shareholder at the  Effective
Date  of the Merger. Such gain  or loss will be "long-term"  gain or loss if the
shares have a holding period of more than one year on the date of disposition.

    An Amati shareholder  who receives a  cash payment in  lieu of a  fractional
share  of ICOT  Common Stock  will be  treated as  if the  fractional share were
distributed in the Merger and then redeemed by ICOT, and will recognize  capital
gain  or capital  loss measured  by the  difference between  the amount  of cash
received and the shareholder's  basis in the fractional  share (which will be  a
pro  rata  portion  of  the  shareholder's  basis  in  the  Amati  Voting  Stock
surrendered in the Merger),  provided such shareholder's  Amati Voting Stock  is
held as a capital asset at the Effective Date of the Merger.

    CONSEQUENCES TO AMATI WARRANT HOLDERS

    The  exchange of unexercised  Amati Warrants for  Substitute Warrants in the
Merger will result in taxable gain or loss to the holders of the Amati  Warrants
at  the Effective Date of the Merger. Such  gain or loss will be measured by the
difference between the  fair market  value of  the Substitute  Warrants and  the
holder's  basis,  if  any, in  the  Amati  Warrants with  respect  to  which the
Substitute Warrants are received. Neither  Amati nor ICOT expresses any  opinion
regarding  the fair market value  of the Substitute Warrants.  Such gain or loss
will  be   capital  gain   or  loss   if   the  Amati   stock  for   which   the

                                       37
<PAGE>
Amati Warrants were exercisable would have been a capital asset of the holder of
the  Amati Warrants and will  be long-term if the  Amati Warrants have been held
for more than a year at the Effective Date of the Merger.

    CONSEQUENCES TO HOLDERS OF OUTSTANDING AMATI NOTES

   
    Federal income  tax treatment  of  holders of  Outstanding Amati  Notes  who
accept  Amati's  inducement  offer  to extend  their  notes  and  exercise their
warrants effective as of the Merger is unclear. Among other possibilities, it is
possible that the Service would view the making and acceptance of the inducement
offer as a taxable exchange of the  affected warrants, with the result that  the
holder would have a taxable gain or loss in the amount of the difference between
(i)  the value  of the ICOT  shares received in  the Merger with  respect to the
exercise of the warrants and (ii) the  sum of the holder's basis in the  warrant
and  the  warrant exercise  price. Another  possibility is  that the  making and
acceptance of the inducement offer would not  be taxable to the holder and  that
exercise  of the warrant in the Merger would  not result in taxable gain or loss
to the  holder. Due  to uncertainties  in  the federal  income tax  laws,  which
treatment  would pertain cannot  be predicted with certainty.  It is also likely
that the extension of the due date of an Outstanding Amati Note would be treated
as an  exchange of  a new  debt  instrument for  the existing  debt  instrument,
potentially  taxable to the  holder to the  extent the value  of the Outstanding
Amati Note at the time of the exchange exceeds the holder's basis in such Note.
    

    LIMITATIONS ON DESCRIPTION

    The description  of the  tax  consequences set  forth  above is  subject  to
certain assumptions and qualifications and is based on the truth and accuracy of
the representations of the parties in the Merger Agreement and in representation
letters  to be delivered by the officers and  directors of ICOT and Amati and by
certain stockholders of Amati. Of  particular importance is the assumption  that
the Merger will satisfy the "continuity of interest" requirement.

    In  order  for  the continuity  of  interest  requirement to  be  met, Amati
shareholders must not, pursuant to a plan or intent existing at or prior to  the
Effective  Date of the Merger,  dispose of an amount of  ICOT Voting Stock to be
received  in  the  Merger  (including  dispositions  through  the  exercise   of
dissenters'  rights and, under certain circumstances, pre-merger dispositions of
Amati Voting Stock) such that the Amati shareholders do not retain a meaningful,
continuing equity ownership  in ICOT.  Generally, so  long as  holders of  Amati
Voting  Stock do  not plan to  dispose of  in excess of  50 percent  of the ICOT
Common Stock to  be received as  described above (the  "50 Percent Test"),  such
requirement  will be satisfied. For purposes of the 50 Percent Test, Amati stock
received in contemplation of the Merger, perhaps including Amati stock  received
or  deemed received upon exercise of Amati Warrants, will be treated as disposed
of stock. Management of Amati has no knowledge of a plan or intention that would
result in the 50  Percent Test not being  satisfied. Furthermore, affiliates  of
Amati  are restricted from selling the ICOT Voting Stock to be issued to them in
the  Merger  pursuant  to  the  Affiliates  Agreements  described  below   under
"Affiliates' Restrictions on Sale of ICOT Stock."

    A  successful challenge  by the  Service to  the status  of the  Merger as a
"reorganization" would result in an  Amati shareholder recognizing gain or  loss
with  respect  to each  share of  Amati  Voting Stock  surrendered equal  to the
difference between such shareholder's  basis in such share  and the fair  market
value  of the ICOT Common Stock received in exchange therefor. In such event, an
Amati shareholder's aggregate basis in the shares of ICOT Common Stock  received
in  the  exchange would  equal  the fair  market value  of  such shares  and the
shareholder's holding period for such shares would not include the period during
which the shareholder held Amati Voting Stock.

AFFILIATES' RESTRICTIONS ON SALE OF ICOT COMMON STOCK

    The shares  of ICOT  Common  Stock to  be issued  in  the Merger  have  been
registered  under the  Securities Act by  a Registration Statement  on Form S-4,
thereby allowing such securities to be traded without restriction by any  former
holder  of Amati  Voting Stock: (i)  who is not  deemed to be  an "affiliate" of
Amati prior to  the consummation of  the Merger, as  "affiliate" is defined  for
purposes of

                                       38
<PAGE>
Rule  145 under the Securities Act; and  (ii) who does not become an "affiliate"
of ICOT after  the Merger. Amati  shareholders who may  be deemed affiliates  of
Amati will be so advised by Amati prior to the Merger.

    The   Agreement  of  Reorganization  requires  Amati  to  cause  each  Amati
shareholder who is an affiliate to agree not to make any public sale of any ICOT
Common Stock received upon consummation of the Merger except in compliance  with
Rule 145 under the Securities Act or otherwise in compliance with the Securities
Act.  In general, Rule 145, as currently  in effect, imposes restrictions on the
manner in which such affiliates may make  resales of ICOT Common Stock and  also
on the quantity of resales that such stockholders, and others with whom they may
act in concert, may make within any three-month period for a period of two years
after consummation of the Merger.

   
    In  addition, the  Affiliate's Agreements  will provide  that each affiliate
shall not, without the written permission of ICOT, sell or otherwise dispose  of
any  ICOT Common Stock issued to him until 90 days after the consummation of the
Merger nor more than 25% of the ICOT Common Stock issued to him before the first
anniversary of  such  date.  Dr.  Cioffi has  signed  an  Affiliate's  Agreement
providing  that he shall  not, without the  written permission of  ICOT, sell or
otherwise dispose of more than 25%  of the ICOT common stock equivalents  issued
to  him before the first anniversary of such date nor more than 50% of such ICOT
common stock equivalents before the second anniversary of such date. ICOT  shall
be  entitled to  place legends  on the  certificates evidencing  any ICOT Common
Stock received by  such Amati  affiliates pursuant to  the terms  of the  Merger
Agreement,  and to  issue stop transfer  instructions to the  transfer agent for
ICOT Common Stock, consistent with the terms of the Affiliate's Agreements.
    

GOVERNMENTAL AND REGULATORY APPROVALS

    ICOT and Amati are aware of no governmental or regulatory approvals required
for consummation of the Merger, other than compliance with applicable securities
and "blue  sky" laws  of various  states and  the filing  and recording  of  the
Agreement of Merger required under California law.

MERGER EXPENSES

    Whether or not the Merger is consummated, ICOT and Amati will be responsible
for  their own costs and expenses incurred in connection with the Merger and the
transactions contemplated thereby, except that if the Merger is consummated, any
such expenses which are then unpaid  will be the responsibility of the  combined
company.

DISSENTERS' RIGHTS

    ICOT STOCKHOLDERS

    Under the Delaware General Corporation Law, holders of ICOT Common Stock are
not entitled to demand appraisal of, or payment for, their shares as a result of
the Merger or the issuance of shares of ICOT Common Stock in connection with the
Merger.

    AMATI SHAREHOLDERS

    If  the Merger is consummated, any holder of shares of Amati Common Stock or
Series A Preferred Stock,  which were outstanding on  the Amati Record Date  for
the  Meeting, who does not vote such shares in favor of the Merger and who fully
complies with  all  applicable  provisions  of  Chapter  13  of  the  California
Corporations  Code (the  "Corporations Code"), is  entitled to  require Amati to
purchase such shares  (any and  all of  such shares  being referred  to in  this
Prospectus/Proxy  Statement  as "Dissenting  Shares")  for cash  at  their "fair
market value" as of the day preceding the first announcement of the terms of the
proposed Merger, excluding  any appreciation or  depreciation in consequence  of
the  proposed  Merger. The  terms  of the  proposed  Merger were  first publicly
announced on March 21, 1995.

    Dissenters' rights are exercisable  only by the holder  of record, not by  a
beneficial owner who does not hold the shares of record.

    AN  AMATI SHAREHOLDER  WHO WISHES  TO DEMAND  THAT AMATI  PURCHASE ALL  OR A
PORTION OF HIS SHARES FOR CASH AT SUCH  VALUE MUST DO ALL OF THE FOLLOWING  WITH
RESPECT TO SUCH SHARES:

                                       39
<PAGE>
    1.   Vote such shares against the  Merger or abstain from voting such shares
       on the Merger;

    2.  Make a written demand on Amati  for the purchase of such shares and  for
       the  payment in cash of the fair market value of such shares. Such demand
       will not be effective unless it is RECEIVED by Amati within 30 days after
       the date on  which notice of  approval of  the Merger is  MAILED to  such
       shareholder by Amati.

    3.  Submit  to  Amati, within  30 days  after  the date  on which  notice of
        approval of the Merger is mailed to such shareholder by Amati, the stock
        certificates representing the shares which such shareholder demands that
        Amati purchase. Amati  will endorse such  certificates to indicate  that
        they represent Dissenting Shares.

        The  written demand  and the stock  certificates should  be delivered or
        addressed  to  Amati  at  1975  El  Camino  Real  West,  Mountain  View,
        California 94040, Attention: John M. Cioffi, Secretary.

    The  required written  demand (the second-numbered  requirements above) must
state: The number  of shares  held of record  which the  shareholder demands  be
purchased  and the  amount that  such shareholder claims  to be  the fair market
value of such shares as  of March 20, 1995. The  statement of fair market  value
will constitute an offer by the shareholder to sell such shares at the price set
forth  in the statement.  Thereafter, the shareholder may  withdraw a demand for
payment only if the company consents to such withdrawal.

    If the company and such shareholder agree that the shareholder has  properly
exercised  dissenters' rights in accordance with  Chapter 13 of the Corporations
Code, and agree upon  the relevant fair market  value of the Dissenting  Shares,
then  the company, upon  timely surrender of  the certificates representing such
shares as set forth  above, will make  payment of the  agreed upon amount  (plus
interest at the legal rate from the date of such agreement) within 30 days after
such  agreement (or within  30 days after  the Effective Date  of the Merger, if
later). If  the company  denies  that such  shareholder has  properly  exercised
dissenters'  rights, or the  company and such  shareholder fail to  agree on the
relevant fair market  value of  such shares,  such shareholder  may, within  six
months  after the date on which the  notice of shareholder approval is mailed to
such shareholder, but not thereafter, file a complaint in the Superior Court for
the County of Santa Clara, State  of California, requesting the purchase of  and
payment  for such shares  or to determine  their fair market  value or both. The
cost of any such action would be assessed or apportioned as the court considered
equitable. However, if the  court were to determine  that the fair market  value
exceeded  the  price  offered to  the  shareholder,  then the  company  would be
required to pay costs  (including, in the  court's discretion, attorneys'  fees,
fees  of expert  witnesses and interest  at the  legal rate, if  the fair market
value were determined to  exceed the price  offered by the  company by at  least
25%).

    In  the event that the aggregate number of shares held by Amati shareholders
which vote in favor of the Merger is less than 95%, ICOT has the right under the
Merger Agreement not to  proceed with the  Merger. See "Terms  of the Merger  --
Conditions to the Merger."

    THE  FOREGOING IS  MERELY A SUMMARY  AND DOES  NOT PURPORT TO  BE A COMPLETE
STATEMENT OF  THE RIGHTS  OF DISSENTING  SHAREHOLDERS. IT  IS QUALIFIED  IN  ITS
ENTIRETY  BY REFERENCE TO  THE APPLICABLE STATUTORY PROVISIONS  OF CHAPTER 13 OF
THE CORPORATIONS  CODE  WHICH ARE  SET  FORTH IN  FULL  IN APPENDIX  C  TO  THIS
PROSPECTUS/PROXY STATEMENT.

                                       40
<PAGE>
                         AMATI SELECTED FINANCIAL DATA

    The  following selected statements of operations  data for each of the three
years in  the period  ended December  31, 1994  and the  balance sheet  data  at
December  31,  1993  and December  31,  1994  have been  derived  from,  and are
qualified by reference to, the financial statements of Amati audited by Ernst  &
Young  LLP, independent  auditors, included  elsewhere in  this Prospectus/Proxy
Statement. The balance sheet data at  December 31, 1992 is derived from  audited
financial  statements not included herein. The financial data for the six months
ended June 30, 1994  and for the six  months ended and as  of June 30, 1995  are
derived  from  and  are  qualified  by  reference  to  the  unaudited  financial
statements for and as of such dates, included elsewhere in this Prospectus/Proxy
Statement. Such unaudited financial  statements have been  prepared on the  same
basis  as the audited financial statements and, in the opinion of Amati, include
all adjustments, consisting  of normal  recurring adjustments,  necessary for  a
fair  presentation thereof.  Operating results  for the  interim period  are not
necessarily indicative of the results that  may be expected for the entire  year
ending December 31, 1995.

   
<TABLE>
<CAPTION>
                                                                                                     SIX MONTHS ENDED
                                              YEARS ENDED DECEMBER 31      PERIOD FROM INCEPTION  ----------------------
                                          -------------------------------   (DECEMBER 31, 1991)    JUNE 30,    JUNE 30,
                                            1992       1993       1994              TO               1994        1995
                                          ---------  ---------  ---------      JUNE 30, 1995      -----------  ---------
                                                                           ---------------------
                                                                                (UNAUDITED)
                                                             (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)  (UNAUDITED)
<S>                                       <C>        <C>        <C>        <C>                    <C>          <C>
Selected Income Statement Data:
  Revenues..............................  $   1,825  $   4,285  $   4,861        $  11,119         $   4,283   $     148
  Gross profit..........................      1,136      2,143      2,538            5,966             2,507         148
  Operating (loss) income...............       (455)      (964)      (736)          (5,674)            1,323      (3,518)
  Net (loss) income.....................       (466)      (989)       965            6,353             1,313       3,933
  Net (loss) income per share...........      (1.95)     (3.20)     (2.24)          (17.57)             2.67       (7.80)
  Weighted number of common shares and
   common share equivalents.............        238        309        430              362               492         504
</TABLE>
    

   
<TABLE>
<CAPTION>
                                                    DECEMBER 31
                                          -------------------------------
                                            1992       1993       1994
                                          ---------  ---------  ---------                                     JUNE 30,
                                                                                                                1995
                                                                                                             -----------
                                                                                                             (UNAUDITED)
<S>                                       <C>        <C>        <C>        <C>                    <C>        <C>
Selected Balance Sheet Data:
Working capital.........................  $    (636) $  (1,564) $  (2,298)                                    $  (5,567)
Total assets............................        409      1,419      1,118                                           304
Total shareholders' deficit.............       (474)    (1,444)     1,981                                        (5,331)
</TABLE>
    

                                       41
<PAGE>
                       AMATI MANAGEMENT'S DISCUSSION AND
                      ANALYSIS OF FINANCIAL CONDITION AND
                             RESULTS OF OPERATIONS

    Amati  was incorporated December 31, 1991. Its principal offices are located
at 1975 El Camino Real West, Mountain View, CA 94040.

    Amati, a development stage company, develops telecommunications transmission
products utilizing  Amati's  DMT modulation  technology  to provide  high  speed
video,  voice and digital  data transmission over  unconditioned copper wires or
coaxial cable.

    Amati has been a development stage  company since its inception. Funding  of
its  operations  has  come  mainly  from  cash  flow  provided  from development
contracts, sales of prototypes, and bridge loans.

RESULTS OF OPERATIONS

    SIX MONTHS ENDED JUNE 30, 1995 AND JUNE 30, 1994

    For the first six months of fiscal  1995, net sales of prototypes were  down
to $20,000 compared to $2,653,300 for the same period in 1994. This decrease was
due  to  the  elimination of  manufacturing  prototypes and  the  redirection of
resources and efforts  to the  next generation product.  Contract revenues  were
$128,200  for the six months ended June 30, 1995, compared to $1,629,600 for the
same period in  1994. This was  mainly due  to the termination  of research  and
development contracts with Northern Telecom in 1994.

   
    Research  and development expenses increased 818%  to $2,260,300 for the six
months ended June 30, 1995,  compared to $246,200 for  the same period in  1994.
The increase was mainly due to the redirection of resources to new products, the
cost  of prototyping components, non-recurring engineering charges, the addition
of three  full-time  engineers and  three  part-time engineers,  and  hiring  of
consultants in connection with the development of new products.
    

    General  and administrative expenses increased 50% to $1,406,000 for the six
months ended June 30, 1995,  compared to $937,700 for  the same period in  1994.
This  increase was  due primarily to  a one  time charge of  $375,000 for 75,000
shares of  Series A  Preferred Stock,  valued  at $5.00  per share,  granted  to
Northern  Telecom in exchange  for the execution and  delivery of certain patent
and technology ownership and license agreements. Also charged to expense  during
this  period was $170,000 for 28,333 shares of Common Stock, valued at $6.00 per
share, issued  to investors  in  consideration for  consulting services  and  in
waiver of claims of royalty payments.

   
    Interest  expense increased  to $414,700 for  the six months  ended June 30,
1995, compared to $10,400 for  the same period in 1994.  This was due to  higher
bridge loan borrowing of $3,495,500 as of June 30, 1995, compared to $950,000 as
of  June 30, 1994 and amortization of  deferred interest charge for the issuance
of stock warrants.
    

    FISCAL 1994 AND FISCAL 1993

    Sales of prototypes increased 209% to  $2,977,600 in 1994 from $963,700  for
1993.  Contract revenues decreased 43% to $1,883,600 in 1994 from $3,320,900 for
1993. The  growth in  sales is  attributable to  the manufacturing  and sale  of
prototypes,  mainly  to  Northern  Telecom,  for  laboratory  trials  in several
countries. The  decrease in  contract revenues  were due  to the  completion  of
contracts with AT&T and ECI in 1993.

   
    Research  and development expenses  decreased 7% to  $2,199,400 in 1994 from
$2,356,200 in  1993,  due  primarily  to  the  termination  of  some  consulting
resources,  no  longer needed  because of  the  completion of  the AT&T  and ECI
contracts.
    

    General and administrative expenses increased 43% to $1,075,100 in 1994 from
$751,100 in 1993. The  increase was attributable to  the hiring of a  President,
Vice President of Sales, and a Controller, as well as the increased use of legal
assistance in the negotiation of contracts.

                                       42
<PAGE>
   
    Interest  expense increased to  $228,700 in 1994 from  $24,900 in 1993. This
was directly attributable to the  increased bridge loan borrowing of  $2,030,900
as  of  the  end  of 1994  compared  to  $950,000  as of  the  end  of  1993 and
amortization of deferred interest charge for the issuance of stock warrants.
    

    As of December  31, 1994,  Amati had federal  and state  net operating  loss
carryforwards of approximately $2,100,000 and $800,000, respectively. Amati also
had  federal and state  research and development  carryforwards of approximately
$300,000  and  $100,000,  respectively.  The  net  operating  loss  and   credit
carryforwards  will expire at  various dates beginning in  1997 through 2009, if
not utilized.

    The utilization of  the net  operating losses and  credits is  subject to  a
substantial annual limitation due to the "change of ownership" provisions of the
Code  and  similar state  provisions. The  annual limitation  may result  in the
expiration of net operating losses and credits before utilization.

    FISCAL 1993 AND FISCAL 1992

    Amati began operations  in 1992  and had  no sales  in that  year. Sales  of
prototypes  in 1993 were $963,700. Contract revenues increased 82% to $3,320,900
in 1993 from $1,825,200 in 1992. The increase was attributable to the signing of
research and development contracts with Northern Telecom, AT&T, and ECI.

   
    Research and development expenses increased 109% to $2,356,200 in 1993  from
$1,129,100  in 1992, due primarily to  the addition of four full-time engineers,
the purchase of equipment.
    

    General and administrative expenses increased  62% to $751,100 in 1993  from
$462,400  in 1992.  The increase was  due to  the addition of  personnel and the
increased use of outside services such as accounting and legal.

    Interest expense increased  135% to $24,900  in 1993 from  $10,600 in  1992,
primarily the result of the bridge loans borrowed in the fourth quarter of 1993.
In October 1993, Amati received $950,000 in bridge loans from several investors,
to  finance its working capital requirements.  The majority of expenditures were
for the purchase of computers and laboratory equipment.

LIQUIDITY AND CAPITAL RESOURCES

    Amati has funded its operations through cash flow provided from  operations,
primarily  research and development contracts,  and private financing, since its
inception. From October 1993  through June 1995, Amati  has relied heavily  upon
private financing, which provided a total of $5,028,400, to supplement cash flow
provided  from operations. Proceeds were used  primarily for working capital and
to repay $1,285,900 of bridge loans that had reached maturity.

    Amati is  still  in the  development  stage  and has  incurred  losses  from
inception.  Amati has  an accumulated deficit  of $2,320,100  and $5,952,900 and
negative working capital of $2,598,300 and  $5,566,900 at December 31, 1994  and
June 30, 1995, respectively.

    ICOT LOANS TO AMATI

    In March 1995, ICOT provided Amati with an unrestricted working capital loan
in  the principal  amount of  $750,000 and,  in May  1995, agreed  to provide an
additional loan, up  to a  maximum principal amount  of $2,650,000,  to pay  the
principal and interest due under the matured bridge loans, to pay Amati accounts
payable  in the amount of  approximately $150,000 and to  fund up to $150,000 in
engineering services to be provided to Amati by ICOT. These loans were evidenced
by the Amati  Senior Secured  Notes. As security  for the  Amati Senior  Secured
Notes, Amati and ICOT entered into the Security Agreement.

    Pursuant  to  the  Agreement  of Reorganization,  ICOT  has  agreed  to make
additional funds available  to Amati up  to such  amount as to  bring the  total
amount  of ICOT loans outstanding to Amati (including the principal and interest
on the Amati Senior Secured Notes) to $5,000,000, which funds are to be provided
to Amati as  necessary to cover  reasonable operating expenses,  as approved  by
ICOT.  Upon the execution of the  Agreement of Reorganization, ICOT canceled the
Amati Senior Secured

                                       43
<PAGE>
Notes in  exchange for  the New  Amati Note.  The New  Amati Note,  which  bears
interest  at the lowest rate required to avoid the computation of interest under
federal and state  income tax laws  or regulations,  is due and  payable on  the
earlier  of November 30, 1995 or a material  breach by Amati of the Agreement of
Reorganization. ICOT and Amati also amended the Security Agreement to cover  the
New Amati Note.

    AS OF JUNE 30, 1995

    Amati had cash of $9,600 compared to $144,800 as of December 31, 1994.

    Cash  used for operating  activities resulted primarily  from $3,632,800 net
operating loss incurred in  the first six  months of fiscal  1995, offset by  an
increase  in  accounts payable  of $548,500  and  $656,800 increase  in deferred
revenues.

    Cash used  for investing  activities  of $21,600  related primarily  to  the
purchase   of  two  personal  computers  and  a  Sunsparc  workstation  for  the
engineering department.

    Cash provided by financing activities as of June 30, 1995 was primarily  due
to  loans  of  $2,750,500  from  ICOT.  These  advances  were  used  to  pay off
convertible notes of $1,285,900 and to fund operations.

    In the event that  the Merger is not  consummated, management believes  that
Amati  does not  have sufficient  liquidity to  fund current  operations, and as
such, will need to raise additional  equity capital to fund the working  capital
and other cash flow requirements for the future.

                                       44
<PAGE>
                   ICOT SELECTED CONSOLIDATED FINANCIAL DATA

    The  following selected consolidated statements  of operations data for each
of the  three years  in the  period ended  July 30,  1994 and  the  consolidated
balance  sheet data at July  31, 1993 and July 30,  1994 have been derived from,
and are qualified by reference to, the consolidated financial statements of ICOT
audited  by  Arthur  Andersen  LLP,  independent  public  accountants,  included
elsewhere  in this  Prospectus/Proxy Statement.  The consolidated  statements of
operations data for  the years ended  July 28, 1990  and July 27,  1991 and  the
consolidated  balance sheets data at  July 28, 1990, July  27, 1991 and July 25,
1992 are  derived from  audited financial  statements not  included herein.  The
consolidated financial data for the nine months ended April 30, 1994 and for the
nine  months and  as of  April 29, 1995  are derived  from and  are qualified by
reference to the unaudited consolidated financial statements for and as of  such
dates,  included elsewhere  in this  Prospectus/Proxy Statement.  Such unaudited
financial statements  have  been prepared  on  the  same basis  as  the  audited
financial  statements  and, in  the opinion  of  ICOT, include  all adjustments,
consisting of normal  recurring adjustments, necessary  for a fair  presentation
thereof. Operating results for the interim period are not necessarily indicative
of the results that may be expected for the entire year ending July 29, 1995.
   
<TABLE>
<CAPTION>
                                                                    YEARS ENDED                         NINE MONTHS ENDED
                                               -----------------------------------------------------  ----------------------
                                               JULY 28,   JULY 27,   JULY 25,   JULY 31,   JULY 30,    APRIL 30,   APRIL 29,
                                                 1990       1991       1992       1993       1994        1994        1995
                                               ---------  ---------  ---------  ---------  ---------  -----------  ---------
                                                                 (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)  (UNAUDITED)
<S>                                            <C>        <C>        <C>        <C>        <C>        <C>          <C>
SELECTED INCOME STATEMENT DATA:
  Net Sales..................................  $  14,344  $  15,630  $  26,324  $  12,307  $   8,236   $   5,837   $   8,737
  Income (loss) before income taxes..........       (698)      (660)     3,398     (5,963)       530         348       1,011
  Provision for income taxes.................     --         --            265     --             27          22          51
                                               ---------  ---------  ---------  ---------  ---------  -----------  ---------
  Net income (loss)..........................  $    (698) $    (660) $   3,133  $  (5,963) $     503   $     326   $     960
                                               ---------  ---------  ---------  ---------  ---------  -----------  ---------
                                               ---------  ---------  ---------  ---------  ---------  -----------  ---------
  Net income (loss) per share................      $(.05)     $(.05)      $.23      $(.46)      $.04        $.03        $.08
                                               ---------  ---------        ---  ---------        ---         ---   ---------
                                               ---------  ---------        ---  ---------        ---         ---   ---------

<CAPTION>

                                               JULY 28,   JULY 27,   JULY 25,   JULY 31,   JULY 30,                APRIL 29,
                                                 1990       1991       1992       1993       1994                    1995
                                               ---------  ---------  ---------  ---------  ---------               ---------
<S>                                            <C>        <C>        <C>        <C>        <C>        <C>          <C>
SELECTED BALANCE SHEET DATA:
  Current assets.............................  $   9,068  $  16,985  $  17,695  $  11,188  $   9,463               $   9,516
  Current liabilities........................      3,986      4,748      4,042      2,598      2,171                   1,244
  Working capital............................      5,082     12,237     13,653      8,590      7,292                   8,272
  Total assets...............................     17,612     18,997     21,101     12,936     11,391                  10,730
  Long-term liabilities......................        849      2,132      1,566      1,099        428                     295
  Stockholder's equity.......................     12,777     12,117     15,493      9,239      8,792                   9,191
</TABLE>
    

                                       45
<PAGE>
                  ICOT MANAGEMENT'S DISCUSSION AND ANALYSIS OF
                 FINANCIAL CONDITION AND RESULTS OF OPERATIONS

OVERVIEW

    ICOT  operates a one-segment business  which develops, manufactures, markets
and services  network connectivity  products for  sales to  OEMs and  end-users.
These products are used primarily in two applications:

    - IBM  compatible personal  computers ("PC")  to IBM  mainframe connectivity
      applications in Local Area Networks ("LAN").

    - Bridge  products  for  interconnecting  Token-Ring  LANs,  Token-Ring  and
      Ethernet LANs, and Token-Ring LANs over the Wide Area Networks ("WAN").

    During  fiscal 1993, ICOT implemented  a strategic restructuring program. To
achieve a more focused  product and marketing strategy,  ICOT decided to  market
its  PC to  Mainframe Connectivity  products only  to OEMs,  Application Program
Interface ("API") and strategic end-user market segments of the Windows and Disk
Operating Systems ("DOS") Connectivity  markets. As a result  of this change  in
product and marketing strategy, ICOT streamlined and downsized its operations by
reducing  its workforce,  consolidating certain facilities,  disposing of excess
equipment and writing  off capitalized software  development costs. These  costs
are reflected in ICOT's consolidated statements of operations as a restructuring
charge  in fiscal 1993  and are further discussed  in Notes 1 and  2 of Notes to
Consolidated Financial Statements.

RESULTS OF OPERATIONS

    The following  table  sets forth  certain  financial data  for  the  periods
indicated as a percentage of net sales:

<TABLE>
<CAPTION>
                                                                      YEARS ENDED                     NINE MONTHS ENDED
                                                        ----------------------------------------  --------------------------
                                                          JULY 25,      JULY 31,      JULY 30,     APRIL 30,     APRIL 29,
                                                            1992          1993          1994          1994          1995
                                                        ------------  ------------  ------------  ------------  ------------
                                                                      (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
                                                                                                         (UNAUDITED)
<S>                                                     <C>           <C>           <C>           <C>           <C>
Net Sales.............................................         100%          100%          100%          100%          100%
Cost of Sales.........................................          48            62            54            51            58
                                                               ---           ---           ---           ---           ---
Gross margin..........................................          52            38            46            49            42
Operating Expenses:
  Research and development............................          10            21            17            19            15
  Marketing and sales.................................          19            27            11            11             9
  General and administrative..........................          12            17            14            16             9
  Restructuring charge................................       --               23         --            --            --
                                                               ---           ---           ---           ---           ---
    Total operating expenses..........................          41            88            42            46            33
                                                               ---           ---           ---           ---           ---
Income (loss) from operations.........................          11           (50)            4             3             9
Other Income..........................................           2             2             2             3             2
                                                               ---           ---           ---           ---           ---
Income (loss) before income taxes.....................          13           (48)            6             6            11
Provision for income taxes............................           1         --            --            --                1
                                                               ---           ---           ---           ---           ---
Net Income (Loss).....................................          12%          (48)%           6%            6%           10%
                                                               ---           ---           ---           ---           ---
                                                               ---           ---           ---           ---           ---
</TABLE>

    NINE MONTHS ENDED APRIL 29, 1995 AND APRIL 30, 1994

    For  the  first nine  months  of fiscal  1995,  net sales  increased  50% to
$8,737,000 compared  to  sales of  $5,837,000  for the  comparable  fiscal  1994
nine-month  period. The increase is a result  of shipments to ICOT's largest OEM
customer, IBM,  of  products introduced  into  the  market in  fiscal  1994.  In
addition,  royalty  revenues were  recognized in  fiscal  1995 from  another new
product developed by ICOT and released by IBM in July 1994.

                                       46
<PAGE>
    Sales to IBM accounted for  81% of ICOT's revenue  in the nine months  ended
April  29, 1995, compared with 63% for the comparable period of fiscal 1994, due
to royalties and  the introduction  of new products.  Sales to  IBM continue  to
account  for a substantial portion of  ICOT's revenues and, consequently, ICOT's
business continues to be volatile due to its dependence on a dominant  customer.
Because  IBM has the  exclusive responsibility for marketing  and selling of the
products that ICOT develops for  IBM, ICOT's profitability can be  significantly
affected by IBM's success in the marketplace.

    PC to Mainframe Connectivity sales of $1,642,000 in the first nine months of
fiscal  1995 represent a decline of 25%  from $2,189,000, when compared with the
same period of the prior fiscal year due to decreased royalties received from an
OEM customer and to a general decline in ICOT's connectivity market share.

    Gross margins as a percent  of sales were 42% for  the first nine months  of
fiscal  1995 compared with 49% for the  same period of fiscal 1994. The decrease
in margins was primarily attributable to product mix resulting from shipment  of
new  products with  lower margins  in the  current fiscal  year. Amortization of
capitalized software costs charged to cost  of sales were $249,000 in the  first
nine  months of fiscal 1995. There was no amortization expense in the comparable
period of the prior fiscal year.

    Net research and  development expenses  increased 19% to  $1,281,000 in  the
first  nine months of  fiscal 1995 compared  to the same  period of fiscal 1994.
Research  and  development  expenses  are  net  of  software  development  costs
capitalized  in  accordance  with Statement  of  Financial  Accounting Standards
("SFAS") No. 86 and of funded development costs. During fiscal 1995 there was no
capitalization of software development costs,  resulting in higher expenses  for
the  nine-month period. Software development costs capitalized in the comparable
period of the prior fiscal year  were $390,000. Funded development costs in  the
first  nine months of  fiscal 1995 were  $470,000 compared with  $395,000 in the
comparable period of fiscal 1994. ICOT believes that research and development is
a key element in its ability to compete and will continue to make investments in
product development and its support of product reliability.

    Marketing and sales expenses  were higher by $101,000  or 15% for the  first
nine  months of  the current  fiscal year compared  to the  comparable period of
fiscal 1994, due  to ICOT's  participation in  trade shows  and sales  promotion
related  to the PC-Connectivity  business and the  hiring of additional in-house
sales personnel.

    General and administrative expenses decreased $134,000 or 14% for the  first
nine  months of fiscal 1995  when compared with the  same period of fiscal 1994.
Lower occupancy costs, combined with reduced legal, audit and other professional
fees, contributed to the reduced spending levels.

    Interest income increased to  $198,000 for the first  nine months of  fiscal
1995  when  compared with  the  same period  of  fiscal 1994.  This  increase is
primarily due to higher interest yields on short-term investments.

    The provision for income taxes in the  first nine months of fiscal 1995  was
$51,000 compared to $22,000 for the comparable nine-month period of fiscal 1994.
This provision was a result of net operating profit after benefit of Federal net
operating loss carryforwards.

    FISCAL YEAR 1994 AND FISCAL YEAR 1993

    Total  net sales in fiscal 1994 decreased 33% to $8,236,000 from $12,307,000
in fiscal  1993.  The  sales  decline resulted  primarily  from  a  decrease  in
shipments  of  OEM  products  to  ICOT's largest  customer,  IBM.  Sales  to IBM
accounted for 65% of  ICOT's revenue in  fiscal 1994 compared  to 62% in  fiscal
1993.  Sales  to  IBM are  uncertain  due  to the  transition  to  new products.
Shipments to  IBM  are  determined  only  by  IBM  and  can  result  in  revenue
fluctuations. IBM can cancel its agreement with ICOT at any time without penalty
upon 30 days' notice. In fiscal 1994, ICOT completed the development of the next
generation  of LAN products which IBM launched into the market. In addition, IBM

                                       47
<PAGE>
also released another  new product  in July 1994  which was  developed by  ICOT.
Future  sales volumes are likely to fluctuate  due to changes resulting from the
development of new products and/or manufacturing agreements under contract  with
IBM.

    PC  to Mainframe Connectivity sales in  fiscal 1994 were $2,857,000 compared
to sales of $4,632,000 in fiscal 1993. The prior fiscal year's sales included  a
single  large  order received  in the  second fiscal  quarter. During  the third
quarter of fiscal  1994, several  basic enhancements to  "OmniPath for  Windows"
products were completed.

    Gross  margin as a percent of sales increased to 46% in fiscal 1994 from 38%
in fiscal 1993. Improved margins were primarily attributable to product mix  and
favorable   manufacturing  variances  that  have  resulted  from  downsizing  of
operations. Furthermore, since all capitalized software costs related to the  PC
Connectivity  business  of $1,454,000  were  written off  in  the prior  year in
connection with ICOT's restructuring, there was no amortization expense  charged
to  cost of  sales in the  1994 fiscal  period. The amortization  of these costs
charged to costs of sales was $692,000 in fiscal 1993.

    Net research and development expense decreased to $1,429,000 (17% of  sales)
in  fiscal 1994 from $2,533,000  (21% of sales) in  fiscal 1993. The decrease in
research  and  development  costs  resulted  primarily  from  reduced  staffing,
consulting,   recruiting   and   relocation   expenses   associated   with   the
PC-Connectivity business  which is  now  focused on  a new  market  sub-segment.
Research  and  development  expenses  are  net  of  software  development  costs
capitalized in accordance with SFAS No.  86 and of funded development costs.  In
fiscal  1994 and 1993 capitalized software  costs totaled $455,000 and $733,000,
respectively, and  funded  development  costs  totaled  $549,000  and  $903,000,
respectively.  During  the  1994  fiscal  year,  there  was  no  amortization of
capitalized software development costs.  In the fourth  quarter of fiscal  1993,
all    capitalized   software   development   costs   associated   with   ICOT's
PC-Connectivity products  of  $1,454,000 were  written  off as  part  of  ICOT's
restructuring  program,  as further  discussed  in Notes  1  and 2  of  Notes to
Consolidated Financial Statements.

    Marketing and sales expenses  in fiscal 1994 decreased  to $884,000 (11%  of
sales)  from $3,365,000 (27% of  sales) in fiscal 1993.  Expenses were higher in
fiscal 1993  due to  a larger  staff of  marketing and  sales personnel,  ICOT's
participation  at trade  shows, media  advertising and  sales promotion  for the
"OMNIPath for Windows"  product. The  late fiscal 1993  restructuring of  ICOT's
business  resulted  in significant  reductions  in marketing  and  sales expense
levels.

    General and administrative expenses decreased  to $1,177,000 (14% of  sales)
in fiscal 1994, from $2,137,000 (17% of sales) in fiscal 1993. Staff reductions,
combined  with reduced legal,  audit and professional  fees contributed to lower
spending levels. In  line with  the changes  in business  focus, $1,417,000  was
included  in the  restructuring charge  in fiscal  1993 to  provide for employee
termination costs, excess equipment and idle facilities.

    Interest income  decreased  in  fiscal  1994  by  $58,000  due  to  a  lower
investment base, offset by higher interest rates on short-term investments.

   
    The  provision for income taxes in fiscal  1994 of $27,000 was the result of
net operating profit after benefit of federal net operating loss  carryforwards.
Fiscal 1994 tax provisions were required for federal alternative minimum tax and
California state taxes due to California's deferral of loss carryforwards. There
was  no provision  for income taxes  in fiscal  1993 due to  losses incurred. In
February 1992, the  Financial Accounting  Standards Board issued  SFAS No.  109,
"Accounting  for Income Taxes." ICOT  adopted the provisions of  SFAS No. 109 in
fiscal year 1994. The adoption of SFAS No. 109 did not have a material impact on
the prior year or current year financial statements.
    

    FISCAL YEAR 1993 AND FISCAL YEAR 1992

    Total net sales in  fiscal 1993 decreased 53%  to $12,307,000 from sales  of
$26,324,000  in fiscal 1992. This was primarily attributable to a decline in IBM
shipments to $7,675,000  in fiscal  1993, from  $21,760,000 in  the prior  year.
Sales  to IBM accounted for 62% of ICOT's revenue in fiscal 1993 compared to 83%
in fiscal 1992. Sales  of PC to Mainframe  Connectivity products in fiscal  1993

                                       48
<PAGE>
improved  to $4,632,000  from $4,564,000  as a  result of  a single  large order
received in  the second  quarter. In  the  third quarter  of fiscal  1993,  ICOT
restructured its PC to Mainframe Connectivity business to focus on OEM, API, and
strategic end-user market segments of the Windows and DOS Connectivity market.

    Gross  margin as a percent of sales decreased to 38% in fiscal 1993 from 52%
in fiscal 1992, resulting from lower sales volume and unfavorable  manufacturing
variances.

    Net  research and development  expenses increased to  $2,533,000 (21% of net
sales) in fiscal 1993 from $2,406,000 (9% of net sales) in fiscal 1992. Research
and development expenses are  net of software  development costs capitalized  in
accordance  with SFAS No. 86 and of funded development costs. In fiscal 1993 and
1992 capitalized software costs  totaled $733,000 and $1,509,000,  respectively,
and  funded development costs  totaled $903,000 and  $553,000, respectively. The
amortization of capitalized software development costs charged to cost of  sales
in fiscal 1993 and 1992 was $692,000 and $426,000, respectively.

    In  the fourth quarter of fiscal  1993, all capitalized software development
costs associated with ICOT's PC-Connectivity products of $1,454,000 were written
off as part of ICOT's restructuring program, as further discussed in Notes 1 and
2 of  Notes to  Consolidated Financial  Statements. Offsetting  the decrease  in
research  and development expense  that resulted from  ICOT's decision to change
its marketing strategy  is an  increase in  engineering staff  dedicated to  OEM
projects.  This engineering group has  increased in size from  the prior year to
accommodate the  requirements relative  to development  projects under  contract
with   an  OEM  customer.  Consequently,   ICOT  incurred  higher  research  and
development costs in fiscal 1993 compared to fiscal 1992.

    Marketing and sales expenses in fiscal 1993 decreased to $3,365,000 (27%  of
sales)  from $5,040,000 (19%  of sales) in  fiscal 1992. Expenses  were lower in
fiscal 1993 as a result of the restructuring of ICOT's PC Connectivity business.
The  reduction  in   expense  was   partially  offset   by  media   advertising,
participation  at  trade  shows, and  sales  and  marketing support  of  the new
"OmniPATH for Windows" product.

    General and administrative expenses decreased  to $2,137,000 (17% of  sales)
from  $3,276,000 (12%  of sales) in  fiscal 1993 and  fiscal 1992, respectively.
Staffing reductions, combined with lower employee incentive provisions and lower
legal expenses were the primary contributing factors to the expense  reductions.
In  line  with the  change in  business  focus, $1,417,000  was included  in the
restructuring charge  recorded  in fiscal  year  1993 to  provide  for  employee
termination costs, excess equipment and idle facilities.

    Interest  income  decreased  by $214,000  in  fiscal 1993  due  to declining
interest rates earned on investments and  a lower investment base. In the  first
quarter  of fiscal 1995, ICOT adopted the  provision of SFAS No. 115 "Accounting
For Certain Investments in  Debt and Equity Investments."  The adoption of  SFAS
No. 115 did not have a material impact on ICOT's financial statements.

   
    There  was  no provision  for  income taxes  in  fiscal 1993  due  to losses
incurred. The provision  for income  taxes in fiscal  1992 of  $265,000 was  the
result  of  net operating  profit after  benefit of  federal net  operating loss
carryforwards.
    

LIQUIDITY AND CAPITAL RESOURCES

   
    ICOT had cash and short term investments of $5,290,000 as of April 29, 1995,
compared to $6,037,000 as of July 30, 1994. Such amount was subsequently reduced
to $3,582,000 as  of August 4,  1995, primarily as  a result of  loans to  Amati
discussed below.
    

    Cash  provided by operating  activities of $501,000  resulted primarily from
$960,000 net operating profit realized in the first nine months of fiscal  1995,
offset by a decrease in accrued expenses of $667,000.

                                       49
<PAGE>
    Cash  provided by investing activities of  $412,000 related primarily to the
liquidation of $6,885,000 of short-term investments upon their maturity,  offset
by  the  purchase  of  $5,862,000  of  short-term  investments.  There  were  no
capitalized software costs  in the current  fiscal year. In  the same period  of
fiscal   1994,  $390,000  was  used  for  capitalization  of  internal  software
development costs. ICOT has no material commitments for capital expenditures.

    Cash used for financing activities in fiscal 1995 of $637,000 was  primarily
due to ICOT's repurchase of 537,347 shares of ICOT Common Stock for $563,000 and
payments  of capital  lease equipment  of $76,000,  offset by  proceeds from the
exercise  of  stock  options  of   $2,000.  The  stock  repurchases  have   been
discontinued  and ICOT does not expect  to continue to repurchase any additional
ICOT Common Stock.

    Currently, ICOT does  not have  a bank line  of credit.  Establishment of  a
credit  line  is under  way  following a  review  of cash  requirements  for the
combined business operations of ICOT and Amati.

   
    Under the terms of the Merger Agreement, upon consummation of the Merger, on
a fully-diluted basis the securities holders of Amati will acquire approximately
35% of the fully diluted shares of ICOT. Following the Merger, options  covering
an  additional  1,616,411 shares  of ICOT  Common  Stock will  be issued  to key
employees of  Amati. Amati  is a  development stage  company, and  the  combined
company is not expected to operate profitably in the forseeable future. See Note
2 of Notes to Pro Forma Combined Condensed Financial Statements.
    

    Pursuant to the Merger Agreement, ICOT agreed to lend Amati up to $5,000,000
in  exchange for the New Amati  Note. The outstanding aggregate principal amount
under the New Amati Note as of August 4, 1995 was $2,971,900.

   
    ICOT anticipates that  the combined  company's available  cash reserves  and
funds  from operations,  along with  its collaborative  research and development
agreements, licensing agreements  and investment  income should  be adequate  to
satisfy  capital requirements  of the combined  company through  the 1996 fiscal
year under currently projected  revenues and levels  of spending. ICOT's  future
capital  requirements  will  depend  on many  factors,  including  sales levels,
progress  in   research  and   development   programs,  the   establishment   of
collaborative   agreements,   and   costs   of   manufacturing   facilities  and
commercialization activities. It is likely  that the combined company will  seek
additional funding through collaborative agreements or through public or private
sales of its securities prior the commercialization of the Amati products.
    

                                       50
<PAGE>
                          INFORMATION CONCERNING AMATI

BACKGROUND

   
    Amati, a development stage company, develops telecommunications transmission
products  utilizing  Amati's DMT  modulation  technology to  provide  high speed
digital video, voice and  data transmission over  unconditioned copper wires  or
coaxial  cable. See  "Risk Factors --  Negative Effect  on Earnings; Development
Stage Company."
    

    The initial research  on the  DMT technology was  accomplished by  Professor
John  M. Cioffi at  Stanford University. Beginning  in 1987, Dr.  Cioffi and his
graduate students evolved the  concept of utilizing  DMT technology to  transmit
millions  of  bits  per second  of  digital  codes and  multimedia  signals over
ordinary telephone  lines.  See  "Technology"  below.  The  conclusion  of  this
research resulted in three patents which are owned by Stanford University. Amati
holds an exclusive worldwide royalty-bearing license to these Stanford patents.

    Amati  has  developed the  DMT technology  primarily for  ADSL applications.
Amati developed a prototype system in 1992 with funding from Northern Telecom to
participate in the competition for the  ANSI standard for the ADSL  transmission
specification.  In 1993, Amati's DMT  technology was selected by  ANSI and, as a
result, is recognized as  the United States standard  for ADSL transmission.  In
cooperation  with  ANSI,  the  European  Telecommunications  Standards Institute
("ETSI") has provided an information annex that makes the appropriate data  rate
changes  for European ADSL service. Amati expects the award of the ANSI and ETSI
standards to  increase  the market  potential  for its  ADSL  products.  Because
Amati's  DMT technology was selected as the standard for ADSL, Amati is required
to license such technology on a fair  and reasonable basis to third parties  who
request  it. Motorola has entered into a  license for Amati's DMT technology for
ADSL. See "Relationship with Motorola" below.

    Amati was incorporated  in California  in 1991 and  commenced operations  in
1992.  Its principal offices are  located at 1975 El  Camino Real West, Mountain
View, California 94040 and its telephone number is (415) 903-2350.

PRODUCTS AND MARKETS

   
    Amati is currently developing products to provide high speed digital  video,
voice  and data transmission over copper  and coaxial cable media. The following
discussion of Amati  products and markets  contains forward looking  statements.
Actual results may vary substantially from current expectations for a variety of
reasons, including those cited in the "Risk Factors" referenced below.
    

    ADSL (ASYMMETRIC DIGITAL SUBSCRIBER LINE)

    In  the late 1980s, Bellcore, the research entity jointly created and funded
by the  seven Regional  Bell  Operating Companies  for  the development  of  new
technologies,  developed  the parameters  for ADSL  as a  high-quality, low-cost
method for  transmitting digital  video from  the central  office of  the  local
telephone company to a subscriber's home over ordinary copper twisted-pair wire.
The  term "asymmetric" refers to the fact that there is a different data rate in
each direction (bi-directional) of the transmission. The ANSI standard for  ADSL
sets  the  data rate  at approximately  6 Mbps  from the  central office  to the
subscriber's home and approximately 600 Kbps  from the subscriber's home to  the
central  office over 24 and 26 gauge  copper twisted-pair wire for a distance of
at least two miles. The practical implementation of ADSL products will allow the
simultaneous transmission of  video, data and  voice over the  same copper  wire
that  is  currently installed  in  most homes  in  the United  States  and other
developed countries.

    ADSL is intended for video dialtone services. The potential demand for  ADSL
is  being driven primarily by the threat to the telephone companies of increased
competition as  a result  of deregulation,  and their  desire to  provide  video
services  utilizing their  existing copper wire  plant without  having to invest
heavily in  more expensive  access technologies,  such as  fiber-optic  systems.
Telephone  companies  are currently  performing technical  and market  trials of
various video and multimedia

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<PAGE>
systems. ADSL  has  the  potential  of  providing  telephone  companies  with  a
technology  that will  enable them to  compete cost-effectively  with their main
competitors for video services, the interexchange carriers and cable companies.

   
    There are several access transmission technologies that can deliver  digital
services   to  a  subscriber's  home.  The  most  effective  technology,  laying
fiber-optic  cable  to  each  home,  is   not  practical  from  both  cost   and
time-to-implement perspectives. Therefore, the telephone companies are reviewing
interim  strategies such  as ADSL,  HFC, fiber-to-the-curb  and certain wireless
strategies. Amati believes  that each  technology has  its merits  and will  get
deployed  where  most  effective.  Amati believes  ADSL  is  the  most effective
technology where homes  are widely dispersed  or where the  "take rates" of  the
services  are low (which is expected as new video services are introduced). ADSL
provides the additional advantages of utilizing the existing copper plant, which
avoids trenching streets and subscribers' properties to lay new coaxial or fiber
optic cables. In addition, ADSL can be deployed easily on a home-by-home  basis.
However,  ADSL has  the disadvantage  relative to  fiber-to-the-curb and  HFC of
offering fewer simultaneous channels, although telephone office switches may  be
able  to offer a large menu of offerings  with ADSL. See "Risk Factors -- Market
for Amati ADSL Products Still Under Development; Principal ADSL Markets  Outside
the   United  States"   and  "Risk   Factors  --   Rapid  Technological  Change;
Competition."
    

    In order to  implement an  ADSL video  service, there  are a  number of  key
components  in addition  to the transmission  equipment that must  co-exist in a
cost effective manner, including  the video content, a  digital switch, a  video
server,  encode/decode equipment  and a  set top  box in  the subscriber's home.
Amati's ability to effectively market ADSL will depend, among other factors,  on
the  development and  successful marketing  of these  components and  systems by
other suppliers. See "Risk Factors -- Dependence on Complementary Products."

    Amati's first ADSL product was called Prelude. Prelude was completed in 1992
and utilized  in the  various  competitions for  the  ANSI standard,  which  was
awarded  to  Amati's  DMT  technology. This  prototype  was  developed  by Amati
engineers with funding by Northern Telecom to prove that a 6 Mbps data rate  was
possible  over copper wire and to participate in the ANSI standards competition.
Prelude was  produced using  discrete  (off-the-shelf) components.  Prelude  was
utilized by telephone companies in 15 countries throughout the world to evaluate
the potential of ADSL, primarily in laboratory trials.

    Amati  has recently announced its Overture series of transceivers. The first
to be introduced is the Overture 4,  a prototype which Amati began shipping  for
trials  in summer 1995. Amati considers the Overture 4 to be a prototype because
it does not  have a low  enough cost or  low enough power  consumption for  mass
deployment.  The Overture 4, which does not meet the ANSI standard of 6 Mbps for
downstream transmission, can operate at  data rates of 1.5, 2,  3, or 4 Mbps  in
the  downstream (central office to the home) direction  and up to 64 Kbps in the
upstream direction. The components of Overture 4 will be entirely discrete  (off
the shelf). Amati currently expects Overture 4 to participate in field trials in
five countries in 1995.

    The Overture 8 will be Amati's first product utilizing custom semiconductors
designed  by  its  own microelectronics  group.  Overture 8  has  two components
developed utilizing standard ASIC design  systems. Amati believes Overture 8  to
be  important to the market  because it will have  the capability to support the
requirements delineated in the ANSI standard, including four downstream channels
and three upstream channels. The downstream data rates using the Overture 8  can
be  as  high as  8 Mbps  or can  be  in various  multiples such  as four  2 Mbps
channels; the upstream data can be channelized in order to support such services
as ISDN or  video conferencing. The  cost and power  consumption of the  initial
version of Overture 8 may preclude it from being acceptable for mass deployment;
however,  Amati expects it  to be the  most advanced ADSL  product on the market
when introduced. First  customer shipments  of Overture  8 for  field trial  are
scheduled for fiscal 1996. Amati currently plans to

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<PAGE>
introduce  a new version of the Overture 8  in 1997 utilizing a custom chip that
will be compatible with mass  market deployment requirements. See "Risk  Factors
- -- Price Competitiveness of ADSL Products."

    VDSL (VERY HIGH-SPEED DIGITAL SUBSCRIBER LINE)

    Telephone  companies have been  placing fiber optic  cables into communities
and are expected to  continue to do so  at an increasing rate.  Today it is  not
economically  feasible  to  take  the  fiber  directly  to  homes  and telephone
companies  are  not  likely  to  do  so  for  the  foreseeable  future.   Access
technologies such as fiber-to-the-curb and fiber-in-the-loop are strategies that
allow  telephone companies  to run  the fiber  to some  platform or  node in the
community and  service homes  requiring high  bandwidth services  directly  over
copper  wire or  coaxial cable.  The concept of  transmitting at  such high data
rates over thousands of feet of copper wire is just now becoming a reality. VDSL
is used in conjunction with a fiber-optic  backbone to cover the "last mile"  as
efficiently  as possible. The  VDSL market thus requires  DMT products that have
higher data rates (25 Mbps to 52 Mbps) over shorter distances (typically 500  to
3,000 feet) than ADSL products.

    Amati  believes  that  its DMT  technology  is superior  to  other available
modulation technologies  for this  application and  is designing  VDSL  products
using  its  microelectronics capability.  As with  ADSL,  VDSL products  will be
asymmetric and carry video, voice and data simultaneously. Amati's Piccolo  VDSL
product is expected to operate symmetrically at speeds of up to 25 Mbps. Amati's
VDSL  products are expected to  be introduced in 1997  and will be competing for
the ANSI standard for VDSL transmission,  which has not yet been awarded.  There
can  be  no assurance  that  Amati's DMT  technology  will be  awarded  with the
standard. See "Risk Factors -- Competition for VDSL Standards."

    Amati's digital VDSL chip is being designed for utilization in cable as well
as copper transmissions. Amati's  management has been very  active in the  cable
standards activities in an attempt to attain the endorsement for DMT through the
IEEE  802.14 committee, which  has authority over  the upstream cable standards.
Amati believes DMT  has the unique  capability of optimizing  the upstream  data
rate  relative  to  other  technologies  available.  However,  there  can  be no
assurance that Amati will win this endorsement. See "Risk Factors -- Competition
for VDSL Standards." As the cable market migrates from analog systems to digital
with interactive  requirements,  Amati believes  that  a large  opportunity  for
DMT-based  systems will  exist. As  for ADSL products,  in order  to implement a
video service over VDSL products, other  key components, not supplied by  Amati,
including  video  content,  a  digital  switch,  a  video  server, encode/decode
equipment and  a set  top box  in the  subscriber's home,  will be  required  to
co-exist  in  a  cost  effective  manner. See  "Risk  Factors  --  Dependence on
Complementary Products."

    HDSL (HIGH BIT RATE DIGITAL SUBSCRIBER LINE)

    In contrast to ADSL, HDSL transmission  is symmetrical, I.E., the data  rate
is the same in both directions. Amati's DMT technology is equally efficient in a
symmetrical  or an  asymmetrical architecture. Amati  sees the HDSL  market as a
longer range  potential  opportunity for  its  DMT technology  and  may  produce
products for this market in the future.

TECHNOLOGY

    Amati's  core technology is  DMT, a multicarrier  modulation technology. The
concept of multicarrier transmissions is over 30 years old; however, research on
the Amati DMT technology has been accomplished during the past 8 years.

    Amati has an exclusive, worldwide royalty-bearing license rights to the  DMT
patents  owned by  Stanford University. Since  its inception, Amati  has filed a
number of patent applications to protect its intellectual property. See "Patents
and Other Intellectual Property." Amati considers itself to be the leader in the
development of DMT technology.

    The purpose of a modulation technology is to transmit a signal over a  given
medium   as  efficiently  as  possible.   This  requires  minimizing  errors  in
transmission by avoiding the noise accompanying  the chosen medium. In the  case
of  DMT,  the  available  bandwidth  is divided  into  carriers  that  reside at

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<PAGE>
different frequencies. The carriers are measured for their ability to send  data
with the bits of information assigned to the carriers based upon their capacity.
Carriers  with higher capacity are assigned  more bits, while carriers unable to
carry data  are  turned off.  In  the case  of  an ADSL  system,  the  available
bandwidth is 1.1 megahertz (MHz), with 256 carriers each being 4 kilohertz (kHz)
wide.

    A DMT system has a transceiver at each end of the line. In the case of ADSL,
there  is one transceiver  in the telephone company's  central office called the
ATU-C (ADSL Transmission Unit-Central office)  and one in the subscriber's  home
called the ATU-R (ADSL Transmission Unit-Remote). When DMT initializes the ATU-C
by  transmitting 256 4 kHz carriers downstream  to the ATU-R, the ATU-R measures
the quality of  each of  the carriers  and then  decides whether  a carrier  has
sufficient quality to be used for further transmission and, if so, how much data
this  carrier should carry  relative to the  other carriers that  are used. This
information is then passed  back to the  ATU-C via a  control channel where  the
bits are assigned to the carriers. The system is very adaptive as it will change
the  bit assignments should the line characteristics change during transmission.
This procedure maximizes performance by minimizing the probability of bit errors
in transmission. Bit  errors are  typically caused  by interference  such as  AM
radio  stations, open-circuited branched telephone  lines called bridge taps and
crosstalk from  other wires.  The system  simply  assigns fewer  or no  bits  to
carriers at frequencies where the interference occurs.

    The  initial  development of  DMT was  directed toward  transmitting digital
video signals over ordinary copper twisted-pair wires. Amati has found that  DMT
works as well on other media, including coaxial cable and wireless transmission.

    Amati  believes  that,  in  order  to  design  and  manufacture commercially
acceptable products, cost and performance improvements beyond what is  available
with  current technology will  be necessary. Accordingly,  Amati has assembled a
microelectronics team that is designing custom integrated semiconductor circuits
utilizing standard ASIC  design systems  and certain  technologies beyond  ASIC.
Amati  intends to  continue to  invest in  and expand  this activity.  See "Risk
Factors -- Need For  Additional Capital," "Risk  Factors -- Rapid  Technological
Change;  Competition,"  and  "Risk  Factors  --  Price  Competitiveness  of ADSL
Products."

CONTRACT DEVELOPMENT

    For 1992  to  1994,  Amati  engaged  in  three  major  contract  development
projects.  These were  important because they  allowed Amati to  advance the DMT
technology in new  areas and  provided approximately $7  million funding  during
those years.

    NORTHERN TELECOM

    From  1992 through  May 1994, Northern  Telecom supported  Amati through two
research and  development agreements.  The total  funding was  in excess  of  $5
million and directed toward developing and manufacturing a product with which to
attain  the ANSI standard for ADSL. The resulting product, Prelude, demonstrated
the capabilities of DMT and was awarded the standard. During this time, Northern
Telecom controlled  sales and  marketing,  and Amati  sold  over $3  million  of
Preludes  to Northern Telecom for resale  to telephone companies in 15 countries
worldwide. In 1995, as part of a settlement, Northern Telecom was issued  75,000
shares  of Amati's Series  A Preferred Stock  and Amati received  control of all
intellectual property generated during the project, subject to a  non-exclusive,
royalty  free license to Northern Telecom.  Four patent applications co-owned by
Northern Telecom and Amati have been filed as a result of the project.

    ECI

    Amati, using its DMT technology, developed board level transceivers  capable
of  transmitting and receiving in each direction (symmetrical) at 2.048 Mbps for
ECI. The  development-only contract  spanned 1992  and 1993  and provided  Amati
approximately  $1 million  in contract revenue.  ECI is  currently marketing the
resulting transceivers in  Europe under  a royalty-bearing  license from  Amati.
Royalty payments to date under the ECI license have been approximately $28,000.

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<PAGE>
    AT&T

   
    In  June 1993, Amati entered  into a contract to  develop a wireless Digital
Audio   Broadcasting    (DAB)    system,    which    combines    AT&T's    audio
compression/decompression  technology and Amati's DMT  technology. Five such DAB
transceiver systems were developed under the  contract and delivered to AT&T  in
early  1994. Amati received  $250,000 for this  project and has  done no further
work in  this area.  AT&T is  currently marketing  these DAB  systems. If  these
marketing  efforts are successful, Amati expects to enter into a royalty-bearing
license agreement with AT&T for the DAB products.
    

RELATIONSHIP WITH MOTOROLA

    In March 1995,  Amati entered  into a nonexclusive  agreement with  Motorola
pursuant  to which Amati licenses certain patents  to Motorola to design a fully
integrated single chip solution for the ADSL market. This license is  restricted
to  substantial compliance with  the ANSI standard  (T1.413). Under the license,
Motorola will pay Amati a royalty on net sales of the chips, including a prepaid
royalty. Amati expects  Motorola's customers to  become competitors with  system
level  DMT products.  Motorola has  agreed to  give Amati  most favored customer
pricing and availability, in addition to assistance in marketing. Amati plans to
use the Motorola  chip as the  basis of  the second generation  Overture 8  that
Amati  expects  to  introduce  in  calendar 1997.  See  "Risk  Factors  -- Rapid
Technological Change; Competition" and "Risk Factors -- Price Competitiveness of
ADSL Products."

CUSTOMERS

   
    The  ADSL  market  is  dominated  by  telephone  companies,  which  own  the
transmission  lines. Amati typically expects to sell its transceiver products to
large telecommunications service  companies that will  serve as integrators  for
the  various component  systems which  make up  a video-on-demand  or multimedia
system. The integrators will in turn  sell these systems to telephone  companies
for  distribution to their subscribers. Typical large telecommunications service
companies include  Northern Telecom,  Alcatel, Philips,  Siemens, NEC,  Italtel,
IBM,  Fujitsu,  DSC, Ericsson,  Samsung,  Reliance Com/Tec  and  AT&T. Telephone
companies are generally  cautious in deploying  new technologies available  only
from  a single source,  especially when the  supplier is as  relatively small as
Amati,  and  often  require  the  availability  of  alternative  sources  before
deploying  a new technology. See "Risk Factors -- Market for Amati ADSL Products
Still Under Development; Principal ADSL Markets Outside the United States."  The
VDSL market will have the same customer and telecommunication supplier groups as
ADSL.   See  "Risk  Factors  --  Dependence   on  Large  Customers  and  Systems
Integrators" and "Risk Factors -- Competition for VDSL Standard."
    

    In 1993  and  early 1994,  Amati's  Prelude transceivers  were  utilized  in
limited  technical trials  by telephone  companies in  Germany, England, France,
Italy, Spain,  The Netherlands,  Switzerland, Norway,  Sweden, Finland,  Israel,
Australia,  Korea,  and  Canada,  as  well as  by  the  following  Regional Bell
Operating Companies: Bell  Atlantic Corporation, Bell  South Corporation,  NYNEX
Corporation,  Pacific  Bell,  and  U.S. West,  Inc.  The  trials  were primarily
laboratory trials conducted to determine the technical feasibility of  providing
video  service  over copper  wire. While  these  trials confirmed  the technical
feasibility of Amati's transceivers, the high cost of the transceivers and  lack
of  infrastructure to  provide switched  video services  prevented any follow-on
business from the trials.

    The next phase of deployment is market trials where the telephone  companies
will try to determine the content requirements, pricing and the estimated number
of  subscribers that will take the service.  Market trials can vary in size from
several hundred  to several  thousand  lines. Amati  expects to  participate  in
market  trials in more than five countries in  1995. Amati has also bid on other
trials where the selection of  the vendors has not  been concluded. There is  no
assurance  that  Amati can  continue to  participate  in further  trials without
additional  competition.  See  "Risk  Factors  --  Rapid  Technological  Change;
Competition."

    In  spring  1995, delays  in product  development  and initial  shipments of
Amati's Overture 4 products resulted in a shortage of capital that caused  Amati
to further delay shipments of prototypes

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<PAGE>
   
for  field  trials. Amati  was also  forced  to defer  the development  of other
prototype  products.  See  "Risk  Factors   --  Negative  Effect  on   Earnings;
Development Stage Company" and "Risk Factors -- Need for Additional Capital."
    

COMPETITION

    Telephone  company trials have demonstrated  the feasibility of Amati's ADSL
products. Two basic ADSL technologies have participated in these trials: Amati's
DMT multicarrier technology and AT&T single carrier CAP technology. DMT and  CAP
have  been rivals since the ANSI standards competition in 1993, which was won by
Amati's DMT technology. Amati believes that  its DMT technology is less  complex
and  more cost effective than a single  carrier technology, such as CAP. The CAP
technology has competed at all  trials using transceivers developed from  AT&T's
proprietary chipset by Westell, Inc., a private company located in Illinois. The
trials to date have been run at data rates of 1.5 Mbps and 2 Mbps, the speeds of
AT&T's  CAP products. Amati believes that as products capable of data rates of 6
Mbps and 8 Mbps become  available later this year,  trials will be conducted  at
those  speeds. As the difference  between DMT and CAP  becomes greater at higher
data rates, Amati  believes that most  of the competition  at the higher  speeds
will come from new competitors using DMT technology.

    Amati  has licensed  Motorola to  develop a  standard compliant  single chip
solution for the ADSL market. Subject to paying a royalty to Amati on net sales,
Motorola has the non-exclusive right to sell this chip. Amati also has the right
to buy  the Motorola  chip at  the most  favored customer  price. Amati  expects
Motorola's  customers  to become  competitors  with system  level  DMT products.
Additionally, Amati is aware of other entities with development efforts underway
with DMT technology for the  ADSL marketplace. These include: ORCKIT,  Pairgain,
Aware/Analog,   ECI,  Ericsson   and  Alcatel.   See  "Risk   Factors  --  Rapid
Technological Change; Competition."

    To date, there have not been any products introduced in the marketplace that
have a cost structure satisfactory for a mass deployment to customers. In  order
to design and manufacture commercially viable products, a substantial investment
in custom integrated semiconductors must be made. Amati believes that after 1997
requirements  for this technology  will likely be  in the millions  of lines and
competition will be primarily on the basis of price. Those suppliers not  making
such  investments will not be able to  compete effectively. See "Risk Factors --
Rapid  Technological   Change;  Competition"   and   "Risk  Factors   --   Price
Competitiveness of ADSL Products."

SALES, MARKETING AND CUSTOMER SUPPORT

    Amati  established  its  sales  operation in  August  1994  and  covers both
domestic and  international  markets from  its  headquarters in  Mountain  View,
California.  Amati's  strategy is  to sell  to the  worldwide base  of telephone
companies through  large telecommunication  suppliers which  will integrate  its
product into larger systems for their customers. See "Risk Factors -- Dependence
on  Large Customers and Systems Integrators." This  type of OEM selling does not
require Amati to maintain a large sales force. Amati presently has one person in
sales and expects to increase its sales  force to three including one in  Europe
by  the middle of 1996. See "Risk Factors -- Key Personnel" and "Risk Factors --
International Business."

   
    Amati also supports its  customers from its  headquarters in Mountain  View,
California.  Presently, Amati has one  person in support and  intends to add two
additional persons, including one in Europe.
    

MANUFACTURING

    Amati's experience in  manufacturing has been  limited to approximately  200
Prelude  prototype systems, which were assembled by subcontractors. The Overture
4 is currently entering production, and Amati intends to outsource the  assembly
and  testing of  this product.  Amati will  maintain responsibility  for product
quality and reliability through incoming  inspection of components, auditing  at
subcontractors' facilities and final shipping inspection of all products.

    Several  components included in  Amati's systems are  obtained from a single
source or limited group  of suppliers and cannot  be provided internally.  Those
parts subject to single or limited source

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<PAGE>
supply  routinely are monitored by management and Amati endeavors to ensure that
adequate supplies  are available  to  maintain manufacturing  schedules,  should
supply for any part be interrupted. See "Risk Factors -- Dependence on Suppliers
and Third Party Manufacturers."

RESEARCH AND DEVELOPMENT

    Amati  believes  that  it has  a  technological leadership  position  in DMT
modulation technology.  Amati's  future  success is  largely  dependent  on  its
ability  to maintain this position through  the development of new products that
meet a wide range of customer  needs. Accordingly, Amati intends to continue  to
make  substantial  investments  in research  and  development. There  can  be no
assurance, however,  that  Amati's future  development  efforts will  result  in
commercially  successful products, or that Amati's products will not be rendered
obsolete  by  changing  technology,  new  industry  standards  or  new   product
announcements  by  others.  See  "Risk Factors  --  Rapid  Technological Change;
Competition."

    Amati has organized  its research  and development efforts  into three  main
groups:   microelectronics,  software  development   and  hardware  development.
Currently, the microelectronics group efforts  are primarily focused on  efforts
for  the ADSL and VDSL  markets; the software group  is focused primarily on the
development of firmware for products such as Overture 4; and the hardware  group
performs analog and digital design activities.

    During   1992,  1993  and  1994,  research  and  development  expenses  were
approximately $1.8 million,  $3.2 million  and $3.1  million, respectively,  and
Amati expects to spend approximately $5.0 million on research and development in
1995. All Amati's research and development expenses are charged to operations as
incurred.

PATENTS AND OTHER INTELLECTUAL PROPERTY

    Amati  has  a  policy  of seeking  patents  when  appropriate  on inventions
concerning new products and  improvements as part of  its on-going research  and
development applications. Amati classifies its patents as follows:

    - Group I  -- Consists  of 3 patent applications  and 1 patent co-owned with
                  Northern Telecom  that are  necessary for  conformance to  the
                  ANSI  standard for ADSL. Amati  has informally agreed with the
                  ANSI standards body to license these patents to third  parties
                  on fair and equitable terms.

    - Group II  -- Consists  of the 2  patents issued to  Stanford University in
                   1993 and  1994 and  1 patent  application filed  by  Stanford
                   University,  all of  which have been  exclusively licensed to
                   Amati, and 1 patent application filed by Amati in 1995. These
                   patents  are  not  necessary  for  conformance  to  the  ANSI
                   standard  for ADSL; however, they make ADSL transceivers more
                   efficient.

    - Group III -- Consists of 1 patent owned by Amati and 5 patent applications
                   filed by Amati, all of which are more general to Amati's  DMT
                   technology.

    Amati  also relies on a combination  of technical leadership, trade secrets,
copyrights, trademarks and  non-disclosure agreements to  establish and  protect
its  proprietary  rights in  its products.  See "Risk  Factors --  Dependence or
Proprietary Technology."

EMPLOYEES

    As of July 31, 1995, Amati  employed 24 full-time employees, including 4  in
manufacturing,  2 in  sales and  customer support,  15 in  engineering and  3 in
finance and  administration.  Six  members of  Amati's  engineering  staff  hold
doctoral  degrees. Amati also employs a  number of consultants who are primarily
used in engineering. None of Amati's  employees is represented by a labor  union
and  Amati has experienced  no work stoppages.  Amati considers its relationship
with its employees to  be good. In  May 1995, Amati  entered into an  employment
agreement  with Dr. Cioffi,  its founder, Vice  President, Engineering and Chief
Technical Officer. The agreement provides for Dr. Cioffi to be employed by Amati
until October  1998, while  continuing his  obligations as  a full-time  tenured
faculty member at

                                       57
<PAGE>
Stanford  University. Stanford University limits the  amount of time its faculty
can spend on outside activities. Competition for technical personnel in  Amati's
industry  is intense. Amati believes that its future success will depend in part
on its continued ability to hire, assimilate and retain qualified personnel. See
"Risk Factors -- Key Personnel."

FACILITIES

    Amati's facilities are in an  approximately 9,500 square foot leased  office
facility  in Mountain  View, California.  The lease  expires in  April 1997, and
Amati currently pays approximately  $13,500 per month.  Amati believes that  its
facilities,  combined with the ICOT facilities, are adequate for its current and
anticipated needs.

EXECUTIVE OFFICERS AND DIRECTORS

    The following  table sets  forth  certain information  with respect  to  the
executive officers and directors of Amati:

<TABLE>
<CAPTION>
          NAME                 AGE                                  POSITION WITH AMATI
- -------------------------      ---      ---------------------------------------------------------------------------
<S>                        <C>          <C>
Dr. James F. Gibbons               63   Chairman of the Board
Aamer Latif                        37   Chief Executive Officer, President, Chief Financial Officer and Director
Dr. John M. Cioffi                 38   Vice President of Engineering, Chief Technical Officer and Director
Joseph H. Grady, Jr.               48   Vice President of Worldwide Sales
Alan D. Hagedorn                   47   Vice President of Manufacturing
Arnold N. Silverman                56   Director
Donald L. Lucas                    65   Director
</TABLE>

    DR. JAMES F. GIBBONS has served as the Chairman of the Board of Directors of
Amati  since 1992. Dr. Gibbons is a  Professor of Electrical Engineering and has
served as the  Dean of the  School of Engineering  at Stanford University  since
1984.  Dr.  Gibbons  currently serves  on  the  Board of  Directors  of Lockheed
Corporation, Raychem Corporation, Centigram Communications Corporation, El  Paso
Natural Gas Co. and Cisco Systems Inc.

    AAMER  LATIF was appointed Chief  Executive Officer, Chief Financial Officer
and President of Amati and elected to the Amati Board effective August 4,  1995.
Mr.  Latif has been President, Chief  Executive Officer, Chief Financial Officer
and a Director of ICOT since May 1993;  he was elected Chairman of ICOT in  July
1995.  Prior to 1993 Mr.  Latif served in various  executive positions with ICOT
since 1980, most recently  as Vice President, Engineering.  See "The Merger  and
Related  Transactions -- Background  to the Merger"  and "Information Concerning
ICOT -- Executive Officers and Directors."

    DR. JOHN M. CIOFFI is the founder of Amati and has served as Vice  President
of  Engineering, Chief Technical Officer and Director since 1991. Dr. Cioffi has
also been a  Professor of  Electrical Engineering at  Stanford University  since
1986.  Dr. Cioffi sits on the technical boards of C-Cube Microsystems, Inc., and
Wireless Access Inc. and has served on the technical staffs of Bell Laboratories
Inc. and IBM's Almaden Research Laboratories.

    JOSEPH H. GRADY, JR. has served as Amati's Vice President of Worldwide Sales
since August 1994. Previously, Mr. Grady  served as Assistant Vice President  of
Sales  of Newbridge Networks Corporation from 1992  to 1994. Mr. Grady served as
Manager of Distribution  Sales and  Development for  Octel Communications  Corp.
from  1991 to 1992. Mr. Grady also served as Vice President of Telephone Company
Sales for Racal Data Communications Inc. from 1985 to 1991.

    ALAN D. HAGEDORN joined  Amati in 1995 as  Vice President of  Manufacturing.
Mr.  Hagedorn previously served as Vice  President of Manufacturing and Director
of Materials for Network Computing Devices Inc. from 1988 to 1995.

                                       58
<PAGE>
    ARNOLD N. SILVERMAN was elected to the Amati Board effective August 4, 1995.
Mr. Silverman also serves as a director of ICOT. Mr. Silverman served as  ICOT's
President  and Chief Executive Officer from 1979 until July 1989 and as Chairman
of the  Board from  1979 until  July 1995.  He is  also a  director of  Business
Objects,  S.A. See  "The Merger  and Related  Transactions --  Background to the
Merger" and "Information Concerning ICOT -- Executive Officers and Directors."

    DONALD L. LUCAS was elected to the Amati Board effective August 4, 1995. Mr.
Lucas, a venture capitalist, has been a director of ICOT since 1968. He is  also
a  director of Cadence  Design Systems, Inc.,  Delphi Information Systems, Inc.,
Kahler Corporation, Oracle  Corp., Macromedia, Inc.,  Quantum Health  Resources,
Inc.,  Racotek, Inc.,  Transcend Services, Inc.,  and Tricord  Systems, Inc. See
"The  Merger  and  Related  Transactions  --  Background  to  the  Merger"   and
"Information Concerning -- ICOT Executive Officers and Directors."

PRINCIPAL SHAREHOLDERS

   
    The  following table sets forth certain information regarding the beneficial
ownership of Amati Voting Stock as of the August 30, 1995 record date for  Amati
shareholders entitled to vote in the Merger and the beneficial ownership of ICOT
Common  Stock such shares will represent after the Merger (i) by each person who
is known by Amati to own beneficially more than 5% of the outstanding shares  of
Amati Common Stock and Amati Series A Preferred Stock, (ii) by each director and
executive officer of Amati, and (iii) by all directors and executive officers of
Amati  as  a  group. Except  as  otherwise  indicated and  subject  to community
property laws where applicable, Amati believes that the beneficial owners of the
securities listed below,  based on  information furnished by  such owners,  have
sole investment and voting power with respect to the Amati Voting Stock shown as
being beneficially owned by them. The number of shares of Amati Voting Stock and
calculation  of percent ownership  of Amati Voting Stock  takes into account (x)
those shares underlying  stock options that  are exercisable within  60 days  of
August  30, 1995 and (y) those shares  issuable upon exercise of Amati Warrants,
assuming such warrants  are exercised prior  to the consummation  of the  Merger
pursuant to the terms of the Merger Agreement.
    

   
<TABLE>
<CAPTION>
                                               SHARES OF AMATI COMMON STOCK  SHARES OF ICOT COMMON STOCK
                                               BENEFICIALLY OWNED PRIOR TO     BENEFICIALLY OWNED AFTER
                                                          MERGER                      MERGER (1)
             NAME AND ADDRESS OF               ----------------------------  ----------------------------
              BENEFICIAL OWNER                     NUMBER         PERCENT        NUMBER         PERCENT
- ---------------------------------------------  ---------------  -----------  ---------------  -----------
<S>                                            <C>              <C>          <C>              <C>
James F. Gibbons (2).........................          71,453        12.4%        329,584           2.0%
Aamer Latif..................................        --             --            105,000          *
John M. Cioffi (3)...........................         350,000        50.7%      1,619,410           9.6%
Joseph H. Grady, Jr. (4).....................          45,000         7.7%        207,567           1.2%
Alan D. Hagedorn (5).........................          24,300         4.3%        112,086          *
Arnold N. Silverman..........................        --             --            320,200           1.9%
Donald L. Lucas..............................        --             --            189,000           1.1%
All directors and executive officers as a
  group (7 persons)..........................         490,753(6)      61.8%     2,877,847(7)       16.0%
Ronald K. Maxwell............................         163,750        30.3%        755,313           4.6%
  1057 University Avenue
  Palo Alto, California 94301
James F. Ottinger (8)........................          80,000        14.8%        369,008           2.2%
  16203 Greenwood Road
  Monte Sereno, California 95030
University Ventures II (9)...................          28,900         5.2%        133,304          *
  a California Limited Partnership
  545 Middlefield Road, Suite 180
  Menlo Park, California 94025
</TABLE>
    

                                       59
<PAGE>
   
<TABLE>
<CAPTION>
                                                 SHARES OF AMATI SERIES A
                                                                             SHARES OF ICOT COMMON STOCK
                                               PREFERRED STOCK BENEFICIALLY    BENEFICIALLY OWNED AFTER
                                                  OWNED PRIOR TO MERGER               MERGER (1)
             NAME AND ADDRESS OF               ----------------------------  ----------------------------
              BENEFICIAL OWNER                     NUMBER         PERCENT        NUMBER         PERCENT
- ---------------------------------------------  ---------------  -----------  ---------------  -----------
University Ventures II (10)..................         125,000        38.5%        576,575           3.5%
<S>                                            <C>              <C>          <C>              <C>
  545 Middlefield Road, Suite 180
  Menlo Park, California 94025
Stanford University..........................         125,000        38.5%        576,575           3.5%
  900 Welch Road, Suite 350
  Palo Alto, California 94304-1850
Northern Telecom Limited.....................          75,000        23.1%        345,945           2.1%
  2920 Matheson Boulevard East
  Mississauga, Ontario, Canada, LRW 4M7
<FN>
- ------------------------
*    Less than 1%.

(1)  Assumes  that 16,551,551  shares of ICOT  Common Stock  will be outstanding
     immediately after the  Merger, including  issuance of  4,486,949 shares  of
     ICOT  Common Stock  in the  Merger, that  all holders  of Outstanding Amati
     Notes accept the  Offer to Note  Holders and that  the Applicable Ratio  is
     4.6126.

(2)  Includes  20,000 shares issuable upon exercise of outstanding options. Also
     includes 14,453  shares  issuable upon  exercise  of an  Amati  Fair  Value
     Warrant  assuming  Dr. Gibbons  accepts the  Offer to  Note Holders  and an
     Applicable Ratio of 4.6126.

(3)  Includes 150,000 shares issuable upon exercise of outstanding options. Does
     not include options  covering 808,205  shares of  ICOT Common  Stock to  be
     issued after the Merger. See "Terms of the Merger -- Performance Options."

(4)  Consists  of 45,000 shares  issuable upon exercise  of outstanding options.
     Does not include options covering 142,244 shares of ICOT Common Stock to be
     issued after the Merger. See "Terms of the Merger -- Performance Options."

(5)  Consists of 24,300  shares issuable upon  exercise of outstanding  options.
     Does  not include options covering 61,424 shares of ICOT Common Stock to be
     issued after the Merger. See "Terms of the Merger -- Performance Options."

(6)  Includes 239,300 shares issuable upon exercise of outstanding stock options
     and 14,453 shares issuable upon exercise of Amati Warrants.

(7)  Includes 1,342,495 shares issuable upon the exercise of outstanding options
     and 66,667  shares  issuable  upon exercise  of  Amati  Warrants,  assuming
     applicable ratio of 4.6126.

(8)  Shares  are held by the  Ottinger Family Trust, of  which Mr. Ottinger is a
     Co-Trustee.

(9)  Includes 15,567  shares issuable  upon exercise  of an  Amati Dollar  Value
     Warrant.

(10) Aggregate  beneficial ownership of ICOT Common Stock by University Ventures
     II after the Merger will be 709,879 shares and 4.3%
</TABLE>
    

DESCRIPTION OF AMATI WARRANTS

    As of the  date of  this Proxy Statement/Prospectus,  there are  outstanding
Amati  Warrants to purchase Amati Series B Preferred Stock, were such securities
to be issued, at an aggregate exercise price of $2,150,899.56.

                                       60
<PAGE>
    FAIR VALUE WARRANTS.   There  are outstanding  Fair Value  Warrants with  an
aggregate exercise price of $950,000. Each Fair Value Warrant is exercisable for
that  number of shares of Amati Series  B Preferred Stock equal to the aggregate
purchase price of the Fair  Value Warrant divided by  the purchase price of  the
Amati  Series B  Preferred Stock  issued at  the first  closing of  such sale of
Series B Preferred Stock. The Fair Value  Warrants may be exercised at any  time
on or after the first closing of the sale of Amati Series B Preferred Stock, and
before  October 22,  1996. Each  Fair Value Warrant  also provides  that, in the
event of  any consolidation  or  merger of  Amati  with any  other  corporation,
adequate  provision shall  be made by  Amati so  that there shall  remain and be
substituted, under the  Fair Value  Warrant, the shares,  securities, or  assets
which  would have been issuable or payable in  respect to or in exchange for the
shares then subject to the Fair Value Warrant, as if the warrant holder had been
the owner of such shares on the applicable record date.

    DOLLAR VALUE  WARRANTS.   There  are outstanding  Dollar Value  Warrants  to
purchase 40,132 shares of Amati Series B Preferred Stock at an exercise price of
$6.00 per share and to purchase 106,679 shares of Amati Series B Preferred Stock
at  an  exercise  price  of  $9.00  per  share.  Each  Dollar  Value  Warrant is
exercisable for that number of shares of Amati Series B Preferred Stock equal to
the aggregate exercise price of the  warrant divided by the applicable  exercise
price  per share. The Dollar Value Warrants  may be exercised at any time before
July 31, 1999. Each Dollar Value Warrant also provides that, in the event of any
consolidation or merger of Amati with any other corporation, adequate  provision
shall  be made by Amati so that there shall remain and be substituted, under the
Dollar Value Warrant, the  shares, securities, or assets  which would have  been
issuable  or payable in respect to or in exchange for the shares then subject to
the Dollar Value Warrant, as  if the warrant holder had  been the owner of  such
shares on the applicable record date.

                                       61
<PAGE>
                          INFORMATION CONCERNING ICOT

PRODUCTS AND CUSTOMERS

   
    ICOT  operates a one-segment  business for which  it develops, manufactures,
markets and services network connectivity products for sales primarily to  OEMs.
These products are used primarily in two applications:
    

    - IBM compatible PCs to IBM mainframe connectivity applications in LANs.

    - Bridge  products  for  interconnecting  Token-Ring  LANs,  Token-Ring  and
      Ethernet LANs, and Token-Ring LANs over WANs.

    ICOT's products  are mainly  used  by large  companies with  mainframes  and
significant PC network applications such as insurance, transportation, financial
service, manufacturing, banking, and brokerage companies.

   
    ICOT's  PC  to Mainframe  Connectivity  products consist  of  3270 emulation
products which are DOS  and Microsoft Windows  based software and  microcomputer
boards (with extensive firmware) that reside in an IBM or IBM compatible PC, and
enable  the PC to communicate, access  and transfer data through Systems Network
Architecture ("SNA") to IBM or IBM compatible mainframes. ICOT sells single user
and LAN gateway  versions of all  its products. LAN  gateways allow multiple  PC
users,  attached directly to Token-Ring, Ethernet  and other LANs, to access SNA
networks through one shared link.
    

    ICOT markets its  PC to  Mainframe Connectivity products  to selected  niche
markets: OEMs, API and strategic end-user market segments of the Windows and DOS
Connectivity  markets. ICOT's connectivity  market share and  revenues have been
declining over the past three years and are expected to continue to decline.

    ICOT has looked for opportunities, principally OEM arrangements, to leverage
its investment  in technology  and penetrate  new market  segments not  directly
available  to  it.  ICOT  has,  therefore,  sought  to  form  relationships with
companies  that  have  established  market  positions  but  lack  some  of   the
communications  products  and  technology  required  to  complete  their product
offering. ICOT markets its technology to OEMs in several ways: allowing OEMs  to
relabel  standard  ICOT  products, licensing  software  source  code technology,
customizing  ICOT  products  to  the  OEM's  needs,  or  fully  developing   and
manufacturing a new product based on an OEM specification.

   
    During  the past several  years, ICOT has  undertaken several projects where
ICOT has designed, developed and manufactured custom communications products for
IBM. Pursuant to its principal  agreement with IBM, ICOT furnishes  engineering,
manufacturing, and assembly services for the manufacture of LAN bridge products,
in  accordance with IBM  specifications and upon receipt  of purchase orders for
the products.  The LAN  bridge products  were upgraded  during fiscal  1994  and
shipping of the new family of LAN bridge products commenced in January 1994. The
new  family of products, while priced lower,  has more features and options, and
offers significantly higher  performance than the  earlier bridge products.  The
principal  agreement with IBM, amended in December 1993, has been extended until
December 1996.
    

    Under the terms of a second agreement, ICOT provides development and support
services to IBM for a  custom product. IBM launched  this product in the  United
States  and Canada in  July 1994. The  product is currently  being launched in a
number of European and Asian countries. ICOT will receive royalty payments  from
IBM on sales of the product to end-customers.

    During  the first  nine months  of fiscal 1995,  sales to  IBM accounted for
approximately 81%  of ICOT's  revenues. Since  IBM considers  product sales  and
market  data confidential,  ICOT has  very little  ability to  anticipate future
demands. ICOT is highly dependent on sales to IBM and expects that quarterly and
annual results  could  be  volatile  due to  its  dependence  on  this  dominant
customer.  IBM  may terminate  its  agreements with  ICOT  upon 30  days' notice
without a significant penalty. Upon

                                       62
<PAGE>
   
termination of  the  agreements,  ICOT has  continuing  obligations  to  provide
certain products and technical support for a period of years, at a price then to
be  negotiated. See  "Risk Factors --  ICOT Customer  Concentration; Reliance on
Sales to IBM."
    

SERVICE

    In the  network connectivity  business, ICOT  offers a  90-day warranty  and
post-warranty  support programs. Hardware  products are typically  serviced on a
factory repair basis. Software support is usually handled by phone  consultation
or, less often, by an on-site visit by a systems engineer.

MANUFACTURING

    ICOT's  products are assembled  at its San  Jose, California facility, where
test, quality assurance, and material control activities are performed. ICOT has
the capacity to increase  its output without further  expansion of its  physical
plant and warehousing facilities.

    Electronic  and mechanical components, subassemblies and supplies are bought
from many  independent suppliers.  Although most  components, subassemblies  and
supplies  are bought from  single vendors, management believes  that, with a few
exceptions, at least one alternative source of supply is available at comparable
cost for each component in its product lines. A few components are consigned  by
IBM and there is no alternative source of supply for these components. See "Risk
Factors -- Dependence on Suppliers and Third-Party Manufacturers."

MARKETING

    In  the  PC  to  Mainframe Connectivity  market,  ICOT  sells  to end-users,
independent software vendors, OEMs,  and through a  small network of  resellers.
Export  sales in  fiscal 1992,  1993 and 1994  and in  the first  nine months of
fiscal 1995 were 6%,  1%, 2% and  1%, respectively, of  total net sales.  Export
sales  are shipments to  locations outside the  United States, primarily Western
Europe and Canada. These sales are subject to certain controls and restrictions,
but ICOT has not experienced any  material difficulties related to these  sales.
See "Risk Factors -- International Business."

BACKLOG

   
    As  of the  end of  fiscal 1993 and  1994, ICOT's  backlog was approximately
$1,632,000  and   $2,601,000,  respectively.   April   29,  1995   backlog   was
approximately  $3,044,000, including $3,042,000 of  orders from IBM, compared to
an April 30, 1994 backlog  of approximately $1,286,000, including $1,267,000  of
orders from IBM.
    

RESEARCH AND DEVELOPMENT

   
    Net  research and development expenses totaled $2,406,000 (10% of net sales)
in fiscal 1992, $2,533,000 (21% of net sales) in fiscal 1993, $1,429,000 (17% of
net sales) in fiscal 1994, and $1,281,000  (15% of net sales) in the first  nine
months  of fiscal 1995, compared  to $1,078,000 (19% of  net sales) in the first
nine months of fiscal 1994. These amounts are net of software development  costs
capitalized  in accordance with SFAS No. 86  and of funded development costs. In
fiscal 1992,  1993  and  1994 capitalized  software  development  costs  totaled
$1,509,000,   $733,000  and   $455,000,  respectively.  The   amount  of  funded
development costs totaled $553,000, $903,000, and $549,000, respectively. During
the 1995  fiscal  year,  there  was  no  amortization  of  capitalized  software
development  costs because there were no capitalized software projects available
for general release. The amortization of capitalized software development  costs
charged  to cost  of sales in  fiscal 1992  and 1993 was  $426,000 and $692,000,
respectively.
    

    In the fourth quarter of fiscal 1993, capitalized software development costs
associated with ICOT's PC-Connectivity products  of $1,454,000 were written  off
as  part of ICOT's restructuring program, as  further discussed in Notes 1 and 2
of Notes to Consolidated Financial Statements. As of July 30, 1994, there are no
unamortized  capitalized  software  development  costs  related  to  the  PC  to
Mainframe Connectivity business included in ICOT's Consolidated Balance Sheets.

                                       63
<PAGE>
   
    ICOT  had  12  full-time  employees  engaged  in  research  and  development
activities as of August  15, 1995. ICOT's research  and development efforts  are
expended  on the enhancement of existing products and for the development of new
products in order to meet rapidly changing customer requirements.
    

    Significant expenditures include the following:

    - Adaptation/portation/new code generation for new operating systems at  the
      PC and network operating system level.

    - Development of OEM products to customer specifications.

   
    - Improved  reliability  of  existing  products  through  extensive in-house
      testing of products.  ICOT Token-Ring  has a full  in-house test  facility
      including  a mainframe with extensive testing software, multiple LANs with
      multiple  PCs,  local  attach,  Token-Ring  attach,  and  remote   dial-in
      capability,  a  mainframe emulator,  protocol analyzers,  IBM controllers,
      terminals and printers and many other test tools which it uses to simulate
      customers' complex multivendor, multiproduct environments.
    

    ICOT believes that research and development is a key element in its  ability
to  compete  in the  PC  to Mainframe  Connectivity  and OEM  markets  and will,
accordingly, continue  to  make  investments  in  new  product  development  and
maintenance of product reliability.

COMPETITION

    The  PC  to  Mainframe  Connectivity market  is  highly  competitive  and is
characterized by rapid  advances in  technology which frequently  result in  the
introduction  of new products with improved performance characteristics, thereby
subjecting ICOT's products  to the  risk of  technological obsolescence.  ICOT's
ability  to  compete is  dependent on  several factors,  including: reliability,
product performance, quality, features,  distribution channels, name  awareness,
customer  support,  product development  capabilities, and  the ability  to meet
delivery schedules. ICOT competes, directly or indirectly, with a broad range of
companies,  many  of  whom  have  significantly  greater  financial  and   other
resources.  In  addition, ICOT  is only  competing for  a limited  and declining
segment of the PC-Connectivity market, which is itself declining.

    Many companies compete in the PC to Mainframe Connectivity market, including
IBM, Attachmate  Corporation, Eicon  Group,  Inc., Network  Software  Associates
Inc.,  Wall Data  Incorporated, and Novell  Inc. Products and  policies of these
companies can adversely affect  ICOT's competitive position.  A large number  of
ICOT's products interact with IBM equipment and support IBM protocols. Thus, the
development  of new protocols, equipment or  communications systems by IBM could
adversely affect ICOT's PC to Mainframe Connectivity competitiveness. See  "Risk
Factors -- Competition in ICOT's PC to Mainframe Connectivity Business."

PATENTS, TRADEMARKS AND LICENSES

    ICOT  principally relies on  its technological and  engineering resources to
develop its business  in an industry  where technology changes  very fast.  ICOT
does, however, consider the use of trademarks, copyrights and license agreements
as a means to protect its proprietary technology and, therefore, ICOT intends to
seek  and maintain protection where appropriate. See "Risk Factors -- Dependence
on Proprietary Technology."

    ICOT holds  one United  States patent  expiring  in the  year 2000  and  one
Canadian  patent expiring in the year 2001; these patents cover an apparatus for
interconnecting data  communications and  data terminal  equipment which  is  no
longer  an  integral part  of its  product architecture.  ICOT also  has several
trademark registrations, including "ICOT" and  "OmniPath" and has copyrights  in
its software and related documentation, including product manuals.

                                       64
<PAGE>
    ICOT  is a licensee under  three OEM software source  code licenses that are
used in connection with the  development, maintenance, enhancement, and  support
of  various PC  to Mainframe  Connectivity products.  These licenses  pertain to
peripheral products which ICOT  remarkets to complement or  add features to  its
core  product line. The loss of any one license would not have a material effect
on revenues.  At  least  one,  and  usually  several,  alternative  sources  are
available for the equivalent technology represented by these licenses.

EMPLOYEES

    As  of August  15, 1995, ICOT  had 34  full-time employees, of  whom 11 were
engaged in manufacturing, 12  were engaged in research  and development, 2  were
engaged  in marketing and sales and 9 held general and administrative positions.
All employees are based in the United  States. None of its employees is  subject
to  a collective bargaining agreement, and there have been no work stoppages due
to  labor  difficulties.   ICOT  believes  that   its  employee  relations   are
satisfactory.

PROPERTIES

    ICOT's  headquarters  and manufacturing  facility  is located  in  San Jose,
California. In May 1994, a mutual  release of the rental obligation expiring  on
December  1,  1995,  was  executed for  this  two-story  building  consisting of
approximately 47,500 square feet. Concurrently, a new lease was signed for  only
a  single-story premise  of approximately 23,300  square feet  of this building.
This new lease expires on July 23, 1999.

   
    The leased  facility  located at  Meadow  Vista, California,  consisting  of
approximately 3,000 square feet, is used for research and development. The lease
on this building expires on February 29, 1996.
    

    In  addition, ICOT has a lease for approximately 21,000 square feet of space
in  Natick,  Massachusetts.  This  lease  was  assumed  in  connection  with  an
acquisition  in January 1988 and expires on  December 31, 1995. This space is no
longer being used by  ICOT and related rent  and operating cost obligations  are
fully  reserved through  the end  of the  lease period,  net of  future sublease
income. As of  April 29,  1995, all  of the excess  space at  this facility  was
subleased for the remaining term of the lease.

    ICOT's  wholly-owned  subsidiary, ICOT  International Limited,  now dormant,
leases approximately a 6,400 square foot building located in Wokingham, England.
During the fourth quarter of fiscal  1993, in line with ICOT's restructuring  of
its PC to Mainframe Connectivity business, ICOT International Limited closed its
operations  in  the  United  Kingdom.  The lease  on  this  facility  expires on
September 29, 2010. During the fiscal year, ICOT subleased this facility through
September 1995. Income from this sublease is less than ICOT's rental obligation.
ICOT has recorded a  liability of $294,000 to  cover partial rental  obligations
related to this facility net of anticipated future sublease income.

   
    ICOT  believes that its  current facilities are  adequate to conduct current
operations and that its facilities and  Amati's are adequate for the  operations
of the combined company.
    

LEGAL PROCEEDINGS

    In  November 1993, an action was brought against ICOT for damages related to
the use  of ICOT's  products. The  plaintiff filed  a suit  claiming  repetitive
stress  injuries  resulting from  the use  of  ICOT's product  in the  course of
employment with American Airlines  from the period May  1981 through July  1991.
The  plaintiff alleges damages in the amount  of $1 million and punitive damages
of $10 million. ICOT believes that the  claim is without merit and has  tendered
defense  of this action to its insurance carriers. In the opinion of management,
the outcome of this litigation will not have a material adverse effect on ICOT's
financial position or its results of operations. See "Risk Factors -- ICOT's RSI
Lawsuit." ICOT is not involved in any other litigation.

                                       65
<PAGE>
EXECUTIVE OFFICERS AND DIRECTORS

    The executive officers and directors of ICOT  and their ages as of the  date
of this Prospectus/Proxy Statement are as follows:

   
<TABLE>
<CAPTION>
          NAME               AGE                     POSITION
- ------------------------     ---     ----------------------------------------
<S>                       <C>        <C>
Aamer Latif                      37  President, Chief Executive Officer,
                                     Chief Financial Officer and Chairman
David J. Bivolcic                38  Senior Vice President
Teresita O. Medel                48  Secretary, Controller and Treasurer
Donald L. Lucas                  65  Director
Arnold N. Silverman              56  Director
William D. Witter                65  Director
</TABLE>
    

    Mr.  Latif was elected  President, Chief Executive  Officer, Chief Financial
Officer and a  Director of ICOT  in May 1993;  he was elected  Chairman in  July
1995.  Prior to 1993 Mr.  Latif served in various  executive positions with ICOT
since 1980,  most  recently  as  Vice  President,  Engineering.  Mr.  Latif  was
appointed  Chief Executive  Officer and  President of  Amati and  elected to the
Amati Board effective August 4, 1995.  See "The Merger and Related  Transactions
- --  Background to  the Merger"  and "Information  Concerning Amati  -- Executive
Officers and Directors."

    Mr. Bivolcic was elected Senior Vice President of ICOT in May 1993. Prior to
that, he served as Vice President, Operations since December 1989.

    Ms. Medel was elected Secretary of ICOT in December 1994. She has served  as
Controller  and Treasurer of ICOT since July  1993. Prior to 1993, she served as
ICOT's Accounting Manager since 1979.

    Mr. Lucas, a venture capitalist, has been a Director of ICOT since 1968.  He
is  also a director of Cadence Design Systems, Inc., Delphi Information Systems,
Inc.,  Kahler  Corporation,  Oracle  Corp.,  Macromedia,  Inc.,  Quantum  Health
Resources,  Inc., Racotek, Inc., Transcend  Services, Inc., and Tricord Systems,
Inc. Mr. Lucas was elected to the Amati Board effective August 4, 1995. See "The
Merger and Related Transactions  -- Background to  the Merger" and  "Information
Concerning Amati -- Executive Officers and Directors."

    Mr.  Silverman served as  ICOT's President and  Chief Executive Officer from
1979 until July 1989 and as Chairman of the Board from 1979 until July 1995.  He
is  also a director of  Business Objects, S.A. Mr.  Silverman was elected to the
Amati Board effective August 4, 1995.  See "The Merger and Related  Transactions
- --  Background to  the Merger"  and "Information  Concerning Amati  -- Executive
Officers and Directors."

    Mr. Witter has been a Director of ICOT since 1968. He has been President  of
the  William D. Witter,  Inc. Investment Counseling Firm  since its inception in
1977. He is also a director of Transnational Industries, Inc.

BOARD COMPENSATION

    Each director who was not also an officer or employee of ICOT received a fee
of $2,000 per quarter in fiscal 1994. In addition, each such director received a
fee of  $2,000  for  each Board  meeting  attended  and $2,000  for  each  Audit
Committee  meeting attended during fiscal 1994. ICOT has a policy of reimbursing
directors for reasonable travel and related expenses incurred in attending Board
and Committee meetings. Donald L. Lucas, a director of ICOT, did not receive any
of the  aforementioned payments;  however,  Mr. Lucas  in fiscal  1994  received
$25,200 in consulting fees for services rendered to ICOT.

                                       66
<PAGE>
   
    Directors  who  are not  employees  of ICOT  or  any affiliate  of  ICOT are
eligible to  participate in  ICOT's 1990  Non-Employee Directors'  Stock  Option
Plan.  Pursuant  to such  plan, during  fiscal  1994 each  non-employee Director
received an option for 10,000 shares on  September 1, 1993 at an exercise  price
of $1.13 per share. Grants are automatically made annually under this plan.
    

EXECUTIVE COMPENSATION

   
    The following table shows, as to the Chief Executive Officer and each of the
other  Executive  Officers of  ICOT whose  salary  and bonus  exceeded $100,000,
certain information concerning compensation paid  during the fiscal years  ended
July 30, 1994 and July 31, 1993:
    

                           SUMMARY COMPENSATION TABLE

<TABLE>
<CAPTION>
                                                                     LONG-TERM
                                                                   COMPENSATION
                                             ANNUAL COMPENSATION      AWARDS        ALL OTHER
                                            ---------------------  -------------  COMPENSATION
                                                         BONUS       OPTIONS/     -------------
NAME AND PRINCIPAL POSITION        YEAR     SALARY ($) EARNED ($)    SARS (#)          ($)
- -------------------------------  ---------  ---------  ----------  -------------  -------------
<S>                              <C>        <C>        <C>         <C>            <C>
Aamer Latif                           1994    150,000      75,000              0         198(1)
CEO, President and CFO                1993    127,357           0        140,000         198(1)
Arnold N. Silverman                   1994    112,085           0              0       7,350(2)
Chairman                              1993    128,000           0         20,000       6,864(2)
David J. Bivolcic                     1994    120,000      50,000              0         198(1)
Senior Vice President                 1993    109,687           0         60,000         198(1)
<FN>
- ------------------------
(1)  Consists of $198 paid by ICOT for the premium on life insurance for Messrs.
     Latif and Bivolcic.

(2)  Includes  $1,350 in 1994 and  $864 in 1993 paid by  ICOT for the premium on
     life insurance for Mr. Silverman. $6,000 was paid by ICOT to cover the cost
     of preparing Mr. Silverman's  income tax returns for  years 1993 and  1992.
     This benefit has been discontinued.
</TABLE>

    No  options  were granted  to the  executive officers  named in  the Summary
Compensation Table during fiscal 1994.

   
    The  following  table  sets  forth  certain  information  regarding  options
exercised  during the 1994 fiscal year  and held at the end  of such year by the
Executive Officers named in the Summary Compensation Table.
    

                AGGREGATED OPTION EXERCISES IN LAST FISCAL YEAR
                            AND FY-END OPTION VALUES
                                FISCAL YEAR 1994

<TABLE>
<CAPTION>
                                                                         VALUE OF
                                                                        UNEXERCISED
                                                       NUMBER OF       IN-THE-MONEY
                                                  UNEXERCISED OPTIONS   OPTIONS AT
                                                     AT FY-END (#)      FY-END ($)
                                 SHARES ACQUIRED     EXERCISABLE/      EXERCISABLE/
             NAME                ON EXERCISE (#)     UNEXERCISABLE     UNEXERCISABLE
- -------------------------------  ---------------  -------------------  -------------
<S>                              <C>              <C>                  <C>
Aamer Latif                             0             164,250/101,250       10,000/0
Arnold N. Silverman                     0             146,250/ 26,250            0/0
David J. Bivolcic                       0              67,250/ 43,250        2,500/0
</TABLE>

    On July 30, 1994 the  closing price for ICOT's  Common Stock as reported  on
Nasdaq National Market was $1.00.

                                       67
<PAGE>
CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

    Aamer Latif has entered into a severance agreement with ICOT (the "Severance
Agreement")  pursuant to which Mr. Latif will  be eligible to receive his salary
and benefits for 24 months if his employment with ICOT is terminated within  six
months  of the Merger. Pursuant to  the Severance Agreement, the options granted
to Mr. Latif under ICOT's 1981 Incentive and Supplemental Stock Option Plans may
be canceled  and  replaced  with  options,  having  the  same  exercise  prices,
expiration  dates and vesting  schedules as the  options replaced, granted under
ICOT's 1990 Stock Option Plan.

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

   
    The following table sets forth certain information regarding the  beneficial
ownership  of ICOT  Common Stock  as of  September 29,  1995 and  the beneficial
ownership such shares will represent after the Merger (i) by each person who  is
known by ICOT to own beneficially more than 5% of the outstanding shares of ICOT
Common  Stock, (ii) by each director and executive officer of ICOT, and (iii) by
all directors and  executive officers of  ICOT as a  group. Except as  otherwise
indicated and subject to community property laws where applicable, ICOT believes
that  the beneficial owners of the securities listed below, based on information
furnished by such owners, have sole investment and voting power with respect  to
the Common Stock shown as being beneficially owned by them. The number of shares
of  ICOT Common  Stock and calculation  of percent ownership  takes into account
those shares underlying  stock options that  are exercisable within  60 days  of
September 29, 1995.
    

   
<TABLE>
<CAPTION>
                                                                      BENEFICIAL
                                                                      OWNERSHIP
                                               SHARES BENEFICIALLY      AFTER
                                              OWNED PRIOR TO MERGER   MERGER (1)
                                              ----------------------  ----------
          NAME OF BENEFICIAL OWNER              NUMBER      PERCENT    PERCENT
- --------------------------------------------  -----------  ---------  ----------
<S>                                           <C>          <C>        <C>
Aamer Latif (2)                                   105,000          *           *
David J. Bivolcic (3)                               5,000          *           *
Teresita O. Medel                                       0          *           *
Donald L. Lucas (4)                               189,000       1.6%        1.1%
Arnold N. Silverman (5)                           320,200       2.6%        1.9%
William D. Witter (6)                             295,100       2.4%        1.8%
All directors and executive officers,             914,300       7.4%        5.4%
as a group (6 persons) (7)
The TCW Group, Inc. (8)                           770,000       6.4%        4.6%
865 Figueroa Street
Los Angeles, CA 90017
Dimensional Fund Advisors, Inc. (9)               707,800       5.9%        4.3%
1299 Ocean Avenue
Santa Monica, CA 90401
<FN>
- ------------------------
*    Less than one percent.

(1)  Assumes  that 16,551,551  shares of ICOT  Common Stock  will be outstanding
     immediately after the  Merger, including  issuance of  4,486,949 shares  of
     ICOT  Common Stock  in the  Merger, that  all holders  of Outstanding Amati
     Notes accept the  Offer to Note  Holders and that  the Applicable Ratio  is
     4.6126.

(2)  Consists of 105,000 shares issuable upon exercise of outstanding options.

(3)  Consists of 5,000 shares issuable upon exercise of outstanding options.
</TABLE>
    

                                       68
<PAGE>

   
<TABLE>
<S>  <C>
(4)  Includes 123,000 shares that are held in a joint trust with Mr. Lucas' wife
     and 15,000 shares which are held in a profit sharing trust for his benefit.
     As trustee of the joint trusts, Mr. Lucas holds voting and investment power
     with  respect to  such shares.  Also includes  17,500 shares  issuable upon
     exercise of outstanding options.

(5)  Does not  include 700  shares held  by Mr.  Silverman's wife  who has  sole
     voting  and investment power with respect  to such shares. Includes 115,200
     shares issuable upon exercise of outstanding options.

(6)  Includes 100,000 shares held by the  William D. Witter Inc. Profit  Sharing
     Plan.  Mr. Witter holds shared voting  and investment power with respect to
     such  shares.  Also  includes  50,000  shares  issuable  upon  exercise  of
     outstanding options.

(7)  Includes 292,700 shares issuable upon exercise of outstanding options.

(8)  Based on Schedule 13G dated January 26, 1995 filed with the Commission.

(9)  Based on Schedule 13G dated January 31, 1995 filed with the Commission.
</TABLE>
    

                                       69
<PAGE>
                      ADDITIONAL MATTERS FOR CONSIDERATION
                              OF ICOT STOCKHOLDERS

    In addition to the consideration of the Merger proposal, the stockholders of
ICOT  will be asked to consider and vote  upon the following matters at the ICOT
Meeting.

ADDITIONAL PROPOSAL 1 -- AMENDMENT TO ICOT'S CERTIFICATE OF INCORPORATION TO
CHANGE THE NAME OF ICOT

    Subject to  approval of  the Merger,  Article First  of the  Certificate  of
Incorporation  of  ICOT is  proposed to  be amended  to change  the name  of the
corporation to "Amati Communications Corporation."

   
    The ICOT  Board believes  that such  change will  reflect Amati's  important
contribution  to the combined company  and the focus of  the combined company on
developing Amati's DMT technology.
    

VOTE REQUIRED

    The approval of the  amendment to the Certificate  of Incorporation of  ICOT
requires  the affirmative vote of  the holders of a  majority of the outstanding
shares of ICOT Common Stock. Consequently, abstentions will have the effect of a
vote against the proposed amendment.

    THE BOARD OF DIRECTORS RECOMMENDS A VOTE "FOR" APPROVAL OF THE AMENDMENT  TO
ICOT'S CERTIFICATE OF INCORPORATION.

ADDITIONAL PROPOSAL 2 -- AMENDMENT TO ICOT'S CERTIFICATE OF INCORPORATION TO
INCREASE AUTHORIZED SHARES

    Subject  to approval  of the  Merger, Article  Fourth of  the Certificate of
Incorporation of  ICOT is  proposed to  be  amended to  increase the  number  of
authorized shares of ICOT Common Stock from 20,000,000 to 45,000,000 shares.

   
    As  of September 29, 1995, ICOT  had outstanding 12,064,602 shares of Common
Stock and outstanding  options to purchase  543,400 shares of  Common Stock.  In
connection with the Merger, 6,788,924 shares of ICOT Common Stock will be issued
or  reserved for issuance  pursuant to the  exercise of options  or warrants. In
addition, ICOT  has agreed  to grant  1,616,411 Performance  Options within  one
month  of the Closing. The increase of 25,000,000 authorized shares is to enable
ICOT to  complete the  Merger, as  well  as to  provide ICOT  with a  number  of
additional  authorized but unissued shares of Common Stock after consummation of
the Merger.
    

   
    The ICOT Board  believes that it  is desirable for  ICOT to have  additional
authorized  but unissued shares  of ICOT Common Stock  to provide flexibility to
act promptly with respect to  acquisitions, public and private financing,  stock
dividends  and  for  other appropriate  purposes.  Other than  for  issuances on
exercise of options or the Substitute  Warrants, ICOT has no specific plans  for
additional  issuances of Common Stock after the Merger. Nonetheless, approval of
the increase now will eliminate any delays and the expense which otherwise would
be incurred if  stockholder approval  were required to  increase the  authorized
number of shares of ICOT Common Stock for possible future transactions involving
the   issuance  of  additional  shares.  However,  the  rules  of  the  National
Association of Securities Dealers,  Inc. governing corporations with  securities
listed  on the NNM would still require stockholder approval by a majority of the
total votes cast  in person  or by  proxy prior  to the  issuance of  designated
securities  (1) where the  issuance would result  in a change  of control of the
issuer, (2) in connection with the acquisition of the stock or assets of another
company if an affiliate  of the issuer has  certain interlocking interests  with
the  company to  be acquired  or where the  issuer issues  more than  20% of its
currently outstanding shares or (3) in connection with a transaction other  than
a  public offering involving the sale or issuance of more than 20% of the common
stock or voting power outstanding before the issuance.
    

    The additional shares of ICOT Common Stock may be issued, subject to certain
exceptions, by ICOT's Board of Directors at such times, in such amounts and upon
such terms  as the  ICOT Board  may determine  without further  approval of  the
stockholders.   Any  such  issuance  could   reduce  the  current  stockholder's
proportionate interests in ICOT or dilute the stock ownership of persons seeking
to obtain control  of ICOT, depending  on the  number of shares  issued and  the
purpose, terms

                                       70
<PAGE>
and  conditions  of  the issuance.  Stockholders  have no  preemptive  rights to
subscribe to additional shares when issued. Even if the amendment is approved by
the ICOT  stockholders  at the  ICOT  meeting,  the amendment  will  not  become
effective unless the Merger Agreement also is approved.

    APPROVAL OF THIS PROPOSAL IS NECESSARY TO CONSUMMATE THE MERGER.

VOTE REQUIRED

    The  approval of the  amendment to the Certificate  of Incorporation of ICOT
requires the affirmative vote  of the holders of  a majority of the  outstanding
shares of ICOT Common Stock. Consequently, abstentions will have the effect of a
vote against the proposed amendment.

    THE  BOARD OF DIRECTORS RECOMMENDS A VOTE "FOR" APPROVAL OF THE AMENDMENT TO
ICOT'S CERTIFICATE OF INCORPORATION.

ADDITIONAL PROPOSAL 3 -- AMENDMENTS TO ICOT 1990 STOCK OPTION PLAN

BACKGROUND

    Pursuant to  the Merger  Agreement,  ICOT has  agreed to  grant  Performance
Options  to purchase 1,616,411 shares  of ICOT Common Stock  to key employees of
Amati. The ICOT Board believes that the  ability to grant stock options will  be
crucial  to recruit  and retain  the highly  qualified management  and technical
staff that  will  be  needed  for  the  combined  company.  The  ICOT  Board  is
recommending  approval  of amendments  to  the ICOT  1990  Stock Option  Plan to
increase the number of shares available for issuance under the Plan by 2,600,000
and to limit  the number  of shares  of Common Stock  with respect  to which  an
option  grant  may be  made to  any  participant during  any one-year  period to
1,000,000 shares.

SHARE INCREASE

    The 1990 Stock Option  Plan was amended  in 1993 to  increase the number  of
shares  reserved for issuance thereunder to  a total of 900,000. Currently, only
383,825 shares remain available for grant. Without the approval of the amendment
to the 1990  Stock Option  Plan increasing  the authorized  shares by  2,600,000
shares,  ICOT would  be unable  to issue  the Performance  Options to  the Amati
employees, which is required to consummate the Merger, and to make future grants
to employees and new hires, which would disadvantage ICOT in its recruitment and
retention of employees.

LIMIT ON NUMBER OF SHARES

    Section 162(m) of the Code, enacted in August 1993, limits the deductibility
by public companies of compensation in excess of $1 million per year (subject to
some exemptions) paid to certain executive officers (generally, the CEO and  the
four  most highly compensated  executive officers). As the  limit applies in the
year in which the compensation  is paid, it could  apply to income derived  from
the  exercise  of certain  stock  options, measured  by  the spread  between the
exercise price and the fair  market value at the  time the option is  exercised.
Options  granted prior  to February  17, 1993 are  not subject  to the deduction
limitation under this law.

    "Performance based"  compensation  is  excluded  from  compensation  counted
toward   the  $1  million  deduction  limit   if  certain  conditions  are  met.
Compensation resulting from  the exercise of  stock options will  be treated  as
"performance based" and excluded from the limit on deductibility if, among other
things,  the plan under  which the options  are granted specifies  limits on the
number of shares issuable to any participant under the plan and these limits are
approved by the issuer's stockholders.

    In order  to  exclude  from  the $1  million  deduction  limit  compensation
resulting from the exercise of options granted under the 1990 Stock Option Plan,
the Board of Directors adopted, subject to stockholder approval, an amendment to
the  plan to  limit the number  of shares with  respect to which  options may be
granted to no more than 1,000,000 shares to any one participant in any  one-year
period.

                                       71
<PAGE>
DESCRIPTION OF PLAN

    GENERAL.    The  1990 Stock  Option  Plan  provides for  the  grant  of both
incentive and nonstatutory stock options. Incentive stock options granted  under
the  1990 Stock Option Plan are intended to qualify as "incentive stock options"
within the  meaning of  Section 422A  of the  Code. Nonstatutory  stock  options
granted  under  the  1990 Stock  Option  Plan  are intended  not  to  qualify as
incentive stock options  under the  Code. See "Federal  Income Tax  Information"
below  for a discussion of the tax treatment of incentive and nonstatutory stock
options.

    PURPOSE.  The 1990 Stock Option Plan was adopted to provide a means by which
selected employees (including employee directors) of and consultants to ICOT and
its affiliates  could be  given an  opportunity to  purchase stock  in ICOT,  to
assist  in  retaining  the  services  of  persons  employed  by  or  serving  as
consultants to ICOT,  to secure  and retain the  services of  new employees  and
consultants  and to provide incentives for such persons to exert maximum efforts
for the success of ICOT.

    ADMINISTRATION.  The  1990 Stock  Option Plan  is administered  by the  ICOT
Board  of Directors. The Board has the  power to construe and interpret the 1990
Stock Option Plan and, subject to the provisions of the 1990 Stock Option  Plan,
to determine the persons to whom and the dates on which options will be granted,
the  number of shares to be subject to each option, the time or times during the
term of  each option  within  which all  or  a portion  of  such option  may  be
exercised,  the exercise price, the type of consideration and other terms of the
option. The Board of Directors is  authorized to delegate administration of  the
1990 Stock Option Plan to a committee composed of members of the Board.

    ELIGIBILITY.   Incentive stock  options may be granted  under the 1990 Stock
Option Plan only  to selected  employees (including officers  and directors)  of
ICOT  and its affiliates. Selected  employees (including officers and directors)
and consultants are  eligible to  receive nonstatutory stock  options under  the
1990  Stock Option Plan. Directors who are not salaried employees of ICOT or any
affiliate of ICOT are not eligible to participate in the 1990 Stock Option Plan.
Directors must be expressly declared eligible  to participate in the 1990  Stock
Option Plan by the board or the committee if administration of the Plan has been
delegated to a committee.

    No incentive stock option may be granted under the 1990 Stock Option Plan to
any  person who,  at the time  of the  grant, owns (or  is deemed  to own) stock
possessing more than  10% of  the total  combined voting  power of  ICOT or  any
affiliate of ICOT, unless the option exercise price is at least 110% of the fair
market  value of the stock subject  to the option on the  date of grant, and the
term of  the option  does not  exceed five  years from  the date  of grant.  For
incentive  stock options granted under the 1990 Stock Option Plan, the aggregate
fair market value,  determined at the  time of  grant, of the  shares of  Common
Stock  with respect to which all incentive  stock options granted after 1986 are
exercisable for the first  time by an optionee  during any calendar year  (under
all such plans of ICOT and its affiliates) may not exceed $100,000.

    TERMS  AND CONDITIONS  OF OPTIONS.   The following  is a  description of the
permissible terms of options under the 1990 Stock Option Plan. Individual option
grants may  be more  restrictive  as to  any or  all  of the  permissible  terms
described below.

    EXERCISE  PRICE; PAYMENT.   The  exercise price  of incentive  stock options
under the 1990 Stock Option Plan may not  be less than the fair market value  of
the  Common Stock subject to the option on  the date of the option grant, and in
some cases (see "Eligibility"  above), may not  be less than  110% of such  fair
market  value. The exercise  price of nonstatutory options  under the 1990 Stock
Option Plan may  not be less  than the fair  market value of  ICOT Common  Stock
subject to the option on the date of the option grant.

    The  exercise price of options granted under the 1990 Stock Option Plan must
be paid either: (i) in cash at the time the option is exercised; or (ii) at  the
discretion  of  the Board,  (a)  by delivery  of  other ICOT  Common  Stock, (b)
pursuant to a deferred  payment arrangement or  (c) in any  other form of  legal
consideration acceptable to the Board.

                                       72
<PAGE>
    OPTION  EXERCISE.   Options  granted under  the 1990  Stock Option  Plan may
become exercisable in cumulative increments ("vest") as determined by the Board.
The Board has the  power to accelerate  the time during which  an option may  be
exercised.  In addition,  options granted under  the 1990 Stock  Option Plan may
permit exercise prior to vesting, but in such event the optionee may be required
to enter into  an early exercise  stock purchase agreement  that allows ICOT  to
repurchase  shares not  yet vested at  their exercise price  should the optionee
leave the employ of ICOT before vesting. To the extent provided by the terms  of
an  option, an optionee may satisfy any  federal, state or local tax withholding
obligation relating  to the  exercise of  such  option by  a cash  payment  upon
exercise,  by  authorizing ICOT  to withhold  a portion  of the  stock otherwise
issuable to the  optionee, by  delivering already-owned stock  of ICOT  or by  a
combination of these means.

    TERM.   The maximum term of options under  the 1990 Stock Option Plan is ten
years, except that in certain cases (see "Eligibility" above), the maximum  term
is  five years. Options under the 1990  Stock Option Plan terminate three months
after termination of the optionee's  employment or relationship as a  consultant
or  director with ICOT or any affiliate  of ICOT, unless (a) such termination is
due to such person's permanent and total disability (as defined in the Code), in
which case the option may, but need not, provide that it may be exercised at any
time within one year  of such termination;  (b) the optionee  dies while in  the
employ  of or while serving as a consultant of ICOT or any affiliate of ICOT, or
within three months after  termination of such relationship,  in which case  the
option  may, but need not,  provide that it may be  exercised (to the extent the
option was exercisable  at the  time of  the optionee's  death) within  eighteen
months  of the optionee's death  by the person or persons  to whom the rights to
such option pass by will or by the laws of descent and distribution; or (c)  the
option by its terms specifically provides otherwise. Individual options by their
terms  may  provide for  exercise  within a  shorter  or longer  period  of time
following termination of employment or  the consulting relationship. The  option
term  may also be extended in the event that exercise of the option within these
periods is prohibited for specified reasons.

    ADJUSTMENT PROVISIONS.  If there is any  change in the stock subject to  the
1990  Stock Option Plan  or subject to  any option granted  under the 1990 Stock
Option Plan  (through merger,  consolidation, reorganization,  recapitalization,
stock  dividend, dividend in property other  than cash, stock split, liquidating
dividend, combination  of  shares,  exchange  of  shares,  change  in  corporate
structure  or otherwise),  the 1990  Stock Option  Plan and  options outstanding
thereunder will be appropriately adjusted as to the class and the maximum number
of shares subject to  such plan and  the class, number of  shares and price  per
share of stock subject to such outstanding options.

    EFFECT  OF CERTAIN  CORPORATE EVENTS.   The 1990 Stock  Option Plan provides
that, in the event of a dissolution or liquidation of ICOT, a specified type  of
merger  or other corporate  reorganization, then, at the  sole discretion of the
Board, exercised  with respect  to each  individual option,  and to  the  extent
permitted by law, either (i) any outstanding options under the 1990 Stock Option
Plan  shall terminate,  in which  event the  Board may,  but is  not required to
accelerate vesting  with respect  to  options held  by persons  then  performing
services  as employees or as consultants for ICOT,  as the case may be, (ii) any
surviving corporation may assume such options or substitute similar options  for
those  outstanding  under  such  plan, or  (iii)  such  outstanding  options may
continue in full force and effect.

    DURATION, AMENDMENT AND TERMINATION.  The Board may suspend or terminate the
1990 Stock Option Plan without stockholder approval or ratification at any  time
or  from time to time. Unless sooner terminated, the 1990 Stock Option Plan will
terminate on September 18, 2000.

    The Board may also amend the 1990 Stock Option Plan at any time or from time
to time.  However,  no  amendment  will be  effective  unless  approved  by  the
stockholders  of ICOT within twelve  months before or after  its adoption by the
Board if the amendment would: (i) modify the requirements as to eligibility  for
participation  (to the extent such modification requires stockholder approval in
order for the Plan  to satisfy Section  422A(b) of the  Code, if applicable,  or
Rule  16b-3 ("Rule 16b-3") under  the Exchange Act; (ii)  increase the number of
shares reserved for issuance upon exercise of

                                       73
<PAGE>
options; or (iii) change  any other provision  of the Plan in  any other way  if
such  modification requires  stockholder approval in  order to  comply with Rule
16b-3 or satisfy the requirements of Section 422A(b) of the Code.

    RESTRICTIONS ON TRANSFER.   Under the 1990 Stock  Option Plan an option  may
not  be transferred  by the optionee  otherwise than by  will or by  the laws of
descent and distribution. During the lifetime  of an optionee, an option may  be
exercised  only by  the optionee. In  addition, shares subject  to repurchase by
ICOT under  an  early  exercise  stock purchase  agreement  may  be  subject  to
restrictions on transfer which the Board deems appropriate.

    FEDERAL  INCOME TAX CONSEQUENCES.  The following is only a summary as to the
United States federal income tax consequences under current law with respect  to
participation in the 1990 Stock Option Plan and does not attempt to describe all
possible federal or other tax consequences of such participation.

   
    INCENTIVE  STOCK  OPTIONS.   Incentive stock  options  under the  1990 Stock
Option Plan are  intended to be  eligible for the  favorable federal income  tax
treatment accorded "incentive stock options" under the Code.
    

    There  generally are no  federal income tax consequences  to the optionee or
ICOT by reason of the grant or  exercise of an incentive stock option.  However,
the   exercise  of  an  incentive  stock  option  may  increase  the  optionee's
alternative minimum tax liability, if any.

    If an optionee holds stock acquired  through exercise of an incentive  stock
option  for more than two years from the date on which the option is granted and
more than one  year from the  date on which  the shares are  transferred to  the
optionee  upon exercise of the option, any gain or loss on a disposition of such
stock will  be  long-term capital  gain  or  loss. Generally,  if  the  optionee
disposes  of the stock before the expiration  of either of these holding periods
(a "disqualifying disposition"), at the  time of disposition, the optionee  will
realize  taxable ordinary income  equal to the  lesser of (i)  the excess of the
stock's fair market value on  the date of exercise  over the exercise price,  or
(ii) the optionee's actual gain if any, on the purchase and sale. The optionee's
additional gain or any loss upon the disqualifying disposition will be a capital
gain  or loss  which will  be long-term or  short-term depending  on whether the
stock was held for  more than one  year. Slightly different  rules may apply  to
optionees  who acquire  stock subject to  certain repurchase options  or who are
subject to Section 16(b) of the Exchange Act.

    To the  extent  the optionee  recognizes  ordinary  income by  reason  of  a
disqualifying  disposition, ICOT will be entitled (subject to the requirement of
reasonableness and perhaps,  in the  future, the satisfaction  of a  withholding
obligation)  to a  corresponding business expense  deduction in the  tax year in
which the disqualifying disposition occurs.

    NONSTATUTORY STOCK OPTIONS.   Nonstatutory stock  options granted under  the
1990  Stock  Option  Plan  generally  have  the  following  federal  income  tax
consequences:

    There are no tax consequences to the optionee or ICOT by reason of the grant
of a nonstatutory stock  option. Upon exercise of  a nonstatutory stock  option,
the optionee normally will recognize taxable ordinary income equal to the excess
of  the  stock's fair  market  value on  the date  of  exercise over  the option
exercise price.  Generally,  with respect  to  employees, ICOT  is  required  to
withhold from regular wages or supplemental wage payments an amount based on the
ordinary income recognized. Subject to the requirement of reasonableness and the
satisfaction  of any withholding obligation, ICOT will be entitled to a business
expense deduction equal to the taxable ordinary income realized by the optionee.
Upon disposition of  the stock, the  optionee will recognize  a capital gain  OR
loss equal to the difference between the selling price and the sum of the amount
paid  for such stock plus any amount recognized as ordinary income upon exercise
of the option. Such gain or loss will be long or short-term depending on whether
the stock was held  for more than  one year. Slightly  different rules apply  to
optionees  who acquire  stock subject to  certain repurchase options  or who are
subject to Section 16(b) of the Exchange Act.

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<PAGE>
    The following table sets forth the number of options granted during the 1995
fiscal year to (i) the Chief Executive Officer and two other Executive  Officers
whose  salary and  bonus for fiscal  1995 exceeded $100,000,  (ii) all Executive
Officers of ICOT as a group, (iii) all Directors who are not Executive  Officers
of  ICOT as a  group, and (iv) all  employees who are  not Executive Officers of
ICOT as a group:

                                 PLAN BENEFITS
                             1990 STOCK OPTION PLAN

<TABLE>
<CAPTION>
                                                                              AVERAGE
                                                                NUMBER OF    EXERCISE
NAME AND POSITION                                              OPTIONS (1)     PRICE
- -------------------------------------------------------------  -----------  -----------
<S>                                                            <C>          <C>
Aamer Latif .................................................           0       --
 CEO, President and CFO
Arnold N. Silverman .........................................     100,000    $    2.03
 Chairman
David J. Bivolcic ...........................................           0       --
 Senior Vice President
Executive Officers as a Group (4 persons)....................     100,000    $    2.03
Non-Executive Director Group (2).............................           0       --
Non-Executive Officer Employee Group.........................      40,000    $    1.19
<FN>
- ------------------------
(1)  All options granted at fair market value as of date of grant.

(2)  Members of the Board of Directors are ineligible to participate in the 1990
     Stock Option Plan, unless they are also employees of ICOT.
</TABLE>

   
        APPROVAL OF THIS PROPOSAL IS NECESSARY TO CONSUMMATE THE MERGER
    

VOTE REQUIRED

    The approval  of  the amendments  to  the 1990  Stock  Option Plan  of  ICOT
requires  the affirmative vote of  the holders of a  majority of the outstanding
shares of ICOT Common Stock. Consequently, abstentions will have the effect of a
vote against the proposed amendment.

    THE BOARD OF DIRECTORS RECOMMENDS A VOTE "FOR" APPROVAL OF THE AMENDMENTS TO
THE ICOT 1990 STOCK OPTION PLAN.

OTHER BUSINESS

    ICOT's Board  of Directors  presently does  not intend  to bring  any  other
business  before the  ICOT Meeting and,  so far as  is known to  ICOT's Board of
Directors, no  matters are  to be  brought  before the  ICOT Meeting  except  as
specified  in  the notice  of  the ICOT  Meeting. As  to  any business  that may
properly come before the ICOT Meeting or any adjournment thereof, however, it is
intended that  proxies, in  the form  enclosed,  will be  voted in  the  respect
thereof, in accordance with the judgment of the persons voting such proxies.

                                       75
<PAGE>
                   ASSUMPTION OF THE AMATI STOCK OPTION PLAN

    In  connection with the Merger, ICOT will assume the Amati Stock Option Plan
and all outstanding and unexercised Amati Options thereunder. Assumption of  the
Amati Stock Option Plan is subject to consummation of the Merger.

    The  following is a summary  of the principal provisions  of the Amati Stock
Option Plan.

    The Amati Communications  Corporation 1992  Stock Option  Plan (the  "Option
Plan") was adopted by the Amati Board of Directors in February 1992 and approved
by  the Amati shareholders in April 1993.  It has been amended subsequently from
time to time.

    GENERAL.  The Option Plan provides  for the grant to employees of  incentive
stock  options within the meaning  of Section 422 of the  Code, and the grant to
employees and consultants of nonstatutory stock options. Currently, a maximum of
580,000 of  the authorized  but unissued  shares of  Amati Common  Stock may  be
issued  upon the exercise of options granted pursuant to the Option Plan. In the
event of any stock dividend, stock split, reverse stock split, recapitalization,
combination, reclassification, or like change in the capital structure of Amati,
appropriate adjustments will be  made to the shares  subject to the Option  Plan
and  to  outstanding options.  To the  extent any  outstanding option  under the
Option Plan expires or terminates prior to exercise in full or if shares  issued
upon  exercise of an option are repurchased by Amati, the shares of Amati Common
Stock for  which such  option is  not exercised  or the  repurchased shares  are
returned to the Option Plan and become available for future grant.

    ADMINISTRATION.   The  Option Plan  is administered by  the Board  or a duly
appointed committee of the Board. Subject to the provisions of the Option  Plan,
the  Board or  the committee determines  the persons  to whom options  are to be
granted, the number of shares to be covered by each option, whether an option is
to be an incentive  stock option or  a nonstatutory stock  option, the terms  of
vesting  and exercisability of each option, the type of consideration to be paid
to Amati upon  exercise of an  option, the term  of each option,  and all  other
terms  and  conditions of  the options.  The Board  or committee  interprets the
Option Plan and options granted under the Option Plan, and all determinations of
the Board or committee are final and  binding on all persons having an  interest
in the Option Plan or any option.

    ELIGIBILITY.   All employees (including officers  and directors who are also
employees), consultants, advisors or other  independent contractors of Amati  or
of any present or future parent or subsidiary corporations of Amati are eligible
to  participate in the Option Plan. As of July 31, 1995, Amati had approximately
25 employees, including 4 executive  officers, and approximately 6  consultants,
advisors  and  other  independent  contractors. Only  employees  may  be granted
incentive  stock   options.  Consultants,   advisors,  and   other   independent
contractors may only be granted nonstatutory stock options.

    TERMS  AND CONDITIONS OF OPTIONS.  Each option granted under the Option Plan
is evidenced by a  written agreement between Amati  and the optionee  specifying
the number of shares subject to the option and the other terms and conditions of
the  option, consistent with the requirements of  the Option Plan. The per share
exercise price of an incentive stock option must equal at least the fair  market
value  of a share  of Amati's Common Stock  on the date of  grant. The per share
exercise price of a  nonstatutory stock option  may be no less  than 85% of  the
fair  market value of a share of the Common  Stock on the date of grant. The per
share exercise price of any option granted to a person who at the time of  grant
owns  stock representing more than 10% of the total combined voting power of all
classes of stock of Amati or any parent or subsidiary corporation of Amati  must
be  at least 110% of the fair market value of a share of Amati's Common Stock on
the date of grant, and the term of any such option cannot exceed five years.

    Generally, options may  be exercised  by payment  of the  exercise price  in
cash,  by check, or  in cash equivalent,  by tender of  shares of Amati's Common
Stock owned  by the  optionee  having a  fair market  value  not less  than  the
exercise  price, by the assignment of  the proceeds of a sale  of some or all of
the shares of Amati Common Stock being acquired upon the exercise of the option,
by the optionee's

                                       76
<PAGE>
recourse promissory note in the form specified by Amati with terms in accordance
with the provisions of the  Plan, or by any  combination of these. However,  the
Board  or committee  may restrict the  forms of payment  permitted in connection
with any option grant  or may grant options  permitting payment of the  exercise
price with a recourse promissory note.

    Options  granted under the Option Plan will become exercisable and vested at
such times as specified  by the Board or  committee. Generally, options  granted
under the Option Plan are exercisable on and after the date of grant, subject to
the  right of Amati to  reacquire at the optionee's  exercise price any unvested
shares held by the optionee upon termination of employment or service with Amati
or if the optionee attempts to  transfer any unvested shares. Shares subject  to
options  generally  vest in  installments  subject to  the  optionee's continued
employment or service. The maximum term of options granted under the Option Plan
is ten years. Options are nontransferable by the optionee other than by will  or
by  the  laws  of  descent  and distribution,  and  are  exercisable  during the
optionee's lifetime only by the optionee.

    TRANSFER OF CONTROL.  A "Transfer of  Control" will be deemed to occur  upon
any  of the following events  in which the shareholders  of Amati do not retain,
directly or indirectly, at  least a majority of  the beneficial interest in  the
voting  stock of  Amati or  its successor:  (i) the  direct or  indirect sale or
exchange by the shareholders of Amati of  all or substantially all of the  stock
of  Amati, (ii) a merger in which Amati  is a party, or (iii) the sale, exchange
or transfer of all or substantially all of the assets of Amati. If a Transfer of
Control occurs, the Board may arrange with the surviving, continuing, successor,
or  purchasing  corporation  or  parent  corporation  thereof  (the   "Acquiring
Corporation") to either assume outstanding options or substitute options for the
Acquiring Corporation's stock for the outstanding options. Any options which are
neither assumed or substituted for by the Acquiring Corporation nor exercised as
of the date of the Transfer of Control will terminate effective as of such date.

    TERMINATION  OR  AMENDMENT.   Unless sooner  terminated,  no options  may be
granted under the Option Plan after February 1, 2002. The Board or committee may
terminate or  amend  the Option  Plan  at  any time,  but,  without  stockholder
approval,  the Board may not amend the  Option Plan to increase the total number
of shares of  Amati Common Stock  reserved for issuance  thereunder, change  the
class  of persons  eligible to  receive incentive  stock options,  or expand the
class of persons eligible  to receive nonstatutory  stock options. No  amendment
may  adversely affect an outstanding option without the consent of the optionee,
unless the amendment is intended to preserve the option's status as an incentive
stock option.

   
    As of  August  30,  1995,  Amati had  outstanding  options  to  purchase  an
aggregate  of 364,700 shares at a weighted average exercise price of $3.4235 per
share. The exercise price of all options granted under the Option Plan has  been
at  least equal to the fair market value  per share of Amati Common Stock on the
date of grant  as determined  in good  faith by the  Board of  Directors. As  of
August  30, 1995,  options to  purchase 107,750  shares of  Common Stock granted
pursuant to the Option Plan had been exercised, and there were 107,550 shares of
Amati Common Stock available for future grants under the Option Plan.
    

    FEDERAL INCOME TAX CONSEQUENCES.  The following is only a summary as to  the
United  States federal income tax consequences under current law with respect to
participation in the Option Plan and  does not attempt to describe all  possible
federal or other tax consequences of such participation.

    INCENTIVE  STOCK OPTIONS.  Options designated as incentive stock options are
intended to fall within the provisions of  Section 422 of the Code. An  optionee
recognizes  no taxable income for  regular income tax purposes  as the result of
the grant or exercise of such an option.

    For optionees who do not dispose of their shares for two years following the
date the option was granted  nor within one year  following the exercise of  the
option, the gain on sale of the shares (which is the difference between the sale
price  and the purchase price of the  shares) will be taxed as long-term capital
gain. If an optionee satisfies such holding  periods upon a sale of the  shares,
Amati will not be

                                       77
<PAGE>
entitled  to  any deduction  for  federal income  tax  purposes. If  an optionee
disposes of shares within two years after  the date of grant or within one  year
from  the  date  of  exercise (a  "disqualifying  disposition"),  the difference
between the  fair market  value of  the shares  on the  determination date  (see
discussion  under "Nonstatutory  Stock Options"  below) and  the option exercise
price (not to  exceed the  gain realized  on the sale  if the  disposition is  a
transaction  with respect  to which a  loss, if sustained,  would be recognized)
will be taxed as ordinary income at the time of disposition. Any gain in  excess
of that amount will be a capital gain. If a loss is recognized, there will be no
ordinary  income, and such loss  will be a capital loss.  A capital gain or loss
will be long-term if the optionee's holding  period is more than 12 months.  Any
ordinary  income recognized by  the optionee upon the  disposition of the shares
should be deductible  by Amati for  federal income tax  purposes, except to  the
extent such deduction is limited by Section 162(m) of the Code.

    The  difference between the option exercise  price and the fair market value
of the  shares on  the determination  date  of an  incentive stock  option  (see
discussion  under  "Nonstatutory  Stock  Options"  below)  is  an  adjustment in
computing the optionee's alternative minimum  taxable income and may be  subject
to  an alternative minimum tax which is paid if such tax exceeds the regular tax
for the year. Special rules may  apply with respect to certain subsequent  sales
of  the shares  in a  disqualifying disposition,  certain basis  adjustments for
purposes of computing  the alternative  minimum taxable income  on a  subsequent
sale  of the  shares and  certain tax  credits which  may arise  with respect to
optionees subject to the alternative minimum tax.

    NONSTATUTORY STOCK  OPTIONS.   Options  not  designated as  incentive  stock
options  will be nonstatutory stock options.  Nonstatutory stock options have no
special tax status. An  optionee generally recognizes no  taxable income as  the
result of the grant of such an option.

   
    Upon  exercise  of  a  nonstatutory  stock  option,  the  optionee  normally
recognizes ordinary income in  the amount of the  difference between the  option
exercise price and the fair market value of the shares on the determination date
(as  defined  below).  If the  optionee  is  an employee,  such  ordinary income
generally is  subject  to  withholding  of  income  and  employment  taxes.  The
"determination  date" is the  date on which  the option is  exercised unless the
shares are not vested and/or  the sale of the shares  at a profit would  subject
the  optionee to suit under Section 16(b) of the Exchange Act, in which case the
determination date is the  later of (i)  the date on which  the shares vest,  or
(ii)  the date the  sale of the shares  at a profit would  no longer subject the
optionee to suit under Section 16(b) of  the Exchange Act. Section 16(b) of  the
Exchange  Act generally is applicable only to officers, directors and beneficial
owners of  more than  10%  of the  Common  Stock of  a  public company.  If  the
determination  date is after the exercise date, the optionee may elect, pursuant
to Section 83(b) of  the Code, to  have the exercise  date be the  determination
date  by filing an election with the  Internal Revenue Service not later than 30
days after the date the option is exercised. Upon the sale of stock acquired  by
the  exercise of  a nonstatutory stock  option, any  gain or loss,  based on the
difference between the  sale price  and the  fair market  value on  the date  of
recognition  of income, will be taxed as capital gain or loss. A capital gain or
loss will be long-term if the optionee's holding period is more than 12  months.
No  tax  deduction  is  available  to  Amati with  respect  to  the  grant  of a
nonstatutory option or the  sale of the stock  acquired pursuant to such  grant.
Amati  should be entitled to a deduction  equal to the amount of ordinary income
recognized by the optionee as a result of the exercise of a nonstatutory option,
except to the extent such deduction is limited by Section 162(m) of the Code, as
described above.
    

                                       78
<PAGE>
                       DESCRIPTION OF ICOT CAPITAL STOCK

   
    As of the date  of this Proxy  Statement/Prospectus, the authorized  capital
stock  of ICOT  consists of  20,000,000 shares of  Common Stock,  $.20 par value
("ICOT Common  Stock"), and  5,000 shares  of Preferred  Stock, $100  par  value
("ICOT  Preferred Stock"). If  the proposed amendments  to ICOT's Certificate of
Incorporation are approved  by ICOT's stockholders,  the authorized ICOT  Common
Stock  will be  increased to 45,000,000  shares at  the time of  the Merger. See
"Additional Matters for Consideration of ICOT Stockholders."
    

ICOT COMMON STOCK

   
    As of the record date of the  ICOT Meeting, there were 12,064,602 shares  of
ICOT  Common Stock outstanding held of  record by 1,751 stockholders. Holders of
shares of ICOT Common Stock are entitled to one vote per share on all matters to
be voted on by stockholders, except that holders may cumulate their votes in the
election of directors.  Subject to  preferences that  may be  applicable to  any
outstanding  ICOT Preferred Stock, holders of  ICOT Common Stock are entitled to
receive ratably such dividends as may be  declared by the Board of Directors  in
its  discretion  from  funds  legally  available therefor.  In  the  event  of a
liquidation, dissolution, or winding  up of ICOT, holders  of ICOT Common  Stock
are  entitled  to  share  ratably  in  all  assets  remaining  after  payment of
liabilities and the  liquidation preference  of any  outstanding ICOT  Preferred
Stock. Holders of ICOT Common Stock have no preemptive rights and have no rights
to  convert their Common Stock into any other securities. The outstanding shares
of ICOT Common Stock are fully paid and nonassessable.
    

ICOT PREFERRED STOCK

    The Board of Directors has the authority to issue up to 5,000 shares of ICOT
Preferred Stock  in one  or more  series  and to  fix the  rights,  preferences,
privileges  and  restrictions  thereof,  including  dividend  rights, conversion
rights, voting  rights, terms  of redemption,  liquidation preferences  and  the
number  of shares  constituting any  series or  the designation  of such series,
without any further  vote or action  by the shareholders.  The issuance of  ICOT
Preferred  Stock  may have  the effect  of delaying,  deferring or  preventing a
change in control of ICOT or making removal of management more difficult without
further action by  the shareholders and  could adversely affect  the rights  and
powers, including voting rights, of the holders of ICOT Common Stock. This could
have  the effect of decreasing  the market price of  the ICOT Common Stock. ICOT
has no present plans to issue any shares of ICOT Preferred Stock.

COMPARISON OF RIGHTS OF HOLDERS OF ICOT AND AMATI STOCK

    Amati is  incorporated in  the state  of California  and is  subject to  the
provisions  of  the California  General Corporation  Law  (the "CGCL").  ICOT is
incorporated in the state of  Delaware and is subject  to the provisions of  the
Delaware General Corporation Law (the "DGCL"). Following the Merger, Amati, as a
wholly-owned  subsidiary of ICOT, will  continue to be governed  by the CGCL and
Amati's Articles of Incorporation, as amended (the "Amati Charter") and  Bylaws.
Following  the Merger, ICOT  will continue to  be governed by  the DGCL and ICOT
Certificate of  Incorporation,  as  amended (the  "ICOT  Charter")  and  Bylaws.
Shareholders  of Amati, however,  will hold ICOT Common  Stock rather than Amati
Voting Stock, and, therefore, the rights, of such shareholders will be  governed
by the DGCL and the ICOT Charter and Bylaws following the Merger.

   
    The  following  is a  summary  comparison of  certain  differences affecting
stockholder rights in the provisions  of the CGCL and  the DGCL and the  charter
documents  and bylaws of Amati  and ICOT. This summary does  not purport to be a
complete discussion of, and  is qualified in its  entirety by reference to,  the
corporate  statutes of California  and Delaware, and  the corporate charters and
bylaws of Amati and ICOT.
    

    CUMULATIVE VOTING

    In an election  of directors under  cumulative voting, each  share of  stock
normally having one vote is entitled to a number of votes equal to the number of
directors to be elected. A shareholder may then cast all such votes for a single
candidate   or   may   allocate   them  among   as   many   candidates   as  the

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<PAGE>
shareholder may choose. Without cumulative voting, the holders of a majority  of
the  shares present at  an annual meeting  or any special  meeting held to elect
directors would have the power to elect all the directors to be elected at  that
meeting,  and no  person could be  elected without  the support of  holders of a
majority of the shares voting at such meeting.

    Under the CGCL, cumulative  voting in the election  of directors is a  right
available  to all shareholders of California corporations unless the corporation
is "listed"  and  that  corporation's  articles  of  incorporation  specifically
eliminate cumulative voting. A "listed" corporation is defined under the CGCL as
a  corporation with  (i) securities  listed on  the New  York or  American Stock
Exchange or (ii) securities designated as  a Nasdaq National Market security  if
the  corporation has at least 800 holders of equity securities. Currently, Amati
shareholders  possess  cumulative  voting  because  Amati  is  not  a   "listed"
corporation,  the Amati  Charter does  not eliminate  cumulative voting  and the
Amati Bylaws retain that right for Amati shareholders.

    Under the  DGCL, cumulative  voting  in the  election  of directors  is  not
mandatory  and is not available to stockholders unless it is provided for in the
corporation's certificate  of  incorporation.  The  ICOT  Charter  provides  for
cumulative  voting for the  election of directors.  Amati shareholders therefore
will retain  their right  to cumulative  voting  which they  held prior  to  the
Merger.

    STOCKHOLDER POWER TO CALL SPECIAL STOCKHOLDERS MEETING

    Under the CGCL, a special meeting of shareholders may be called by the board
of  directors, the chairman of the board, the president or the holders of shares
entitled to cast not less than 10% of the votes at such meeting and such persons
as may be provided in the articles of incorporation or bylaws.

    Under the DGCL, a special meeting of stockholders may be called by the board
of directors or any other person  specified in the certificate of  incorporation
or  bylaws. ICOT's Bylaws provide that the  President, the Board of Directors or
the stockholders holding in the aggregate  one-fifth of the voting power of  all
stockholders may call special meetings.

    Therefore,  after the Merger, only the  President, the Board of Directors or
the stockholders holding in the aggregate  one-fifth of the voting power of  all
stockholders will be authorized to call special meetings of stockholders.

    DISSOLUTION

    Under  the CGCL, shareholders holding 50% or  more of the total voting power
may authorize a corporation's dissolution, with  or without the approval of  the
corporation's board of directors. This right may not be modified by the articles
of incorporation.

    Under  the  DGCL, unless  the board  of directors  approves the  proposal to
dissolve, the dissolution must be approved  by stockholders holding 100% of  the
total  voting power of the corporation. Only  if the dissolution is initiated by
the board  of  directors  may  it  be approved  by  a  simple  majority  of  the
corporation's  stockholders. Furthermore, the DGCL allows a Delaware corporation
to  include  in  its  certificate   of  incorporation  a  supermajority   voting
requirement in connection with such board-initiated dissolutions. ICOT's Charter
contains  no such supermajority  voting requirement. Thus,  a majority of shares
voting at a meeting at which a quorum is present would be sufficient to  approve
a  dissolution  of  ICOT that  had  previously  been approved  by  its  Board of
Directors.

    SIZE OF BOARD OF DIRECTORS

    Under the CGCL, the board of directors  may in general fix the exact  number
of  directors within a stated  range set forth in  the corporation's articles of
incorporation or bylaws, or such number may be fixed in the articles or  bylaws.
A  change in the stated  range or fixed number of  directors must be approved by
the shareholders.  Amati's  Bylaws currently  fix  the number  of  directors  at
between three and five.

    Under  the DGCL, the number of directors may be stated in the certificate of
incorporation or the bylaws, or may be determined in the manner provided in  the
bylaws. Since the ICOT Bylaws can be

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amended  by either the board of directors or a majority of the stockholders (see
discussion below under "AMENDMENT OR REPEAL OF RIGHTS"), either the board or the
stockholders will  be  able  to change  the  number  of directors  of  ICOT.  In
contrast,  Amati's  board  of directors  currently  cannot alter  the  number of
directors without shareholder approval.

    CLASSIFIED BOARD OF DIRECTORS

    A classified board  is one with  respect to  which a certain  number of  the
directors, but not necessarily all, are elected on a rotating basis each year.

   
    Under  the CGCL,  directors must  generally be  elected annually;  however a
"listed" corporation (as described above) is permitted to amend its articles  of
incorporation  or bylaws to  provide for a  classified board. Under  the CGCL, a
classified board divided into two classes  of directors must be comprised of  no
fewer  than six directors and one-half of  the directors must be elected at each
annual meeting  of  shareholders, and  a  classified board  divided  into  three
classes  must be comprised of no fewer  than nine directors and one-third of the
directors must be  elected at  each annual  meeting of  shareholders. The  Amati
Charter does not provide for a classified board.
    

    Under  the DGCL, the certificate of  incorporation or bylaws may provide for
the division of  directors into two  or three  classes and specify  the term  of
office of each class. The ICOT Charter and Bylaws currently do not provide for a
classified board.

    REMOVAL OF DIRECTORS

    Under the CGCL, a director may be removed without cause by shareholder vote,
provided  that the shares voted against such  removal would not be sufficient to
elect the  director  under  cumulative voting  rules.  Since  cumulative  voting
enables  a minority of shareholders to elect some directors, removal of an Amati
director by  shareholders  can  in  some  cases be  blocked  by  a  minority  of
shareholders.

    In  addition to removal by  the shareholders, a director  may be removed for
cause in California (i) by order of  a court, sought by shareholders holding  at
least  10%  of  the outstanding  shares  of  any class,  if  a  director commits
fraudulent or dishonest acts or gross  abuse of authority or discretion or  (ii)
by  the board, if a director has been declared of unsound mind by order of court
or has been convicted of a felony.

    Under the DGCL, a director of a corporation that does not have a  classified
board  of directors may  be removed with  or without cause  by stockholder vote,
provided that, in the  case of a corporation  having cumulative voting, if  less
than  the entire board is  to be removed, the  shares voted against such removal
would not be sufficient to elect  the director under cumulative voting rules  at
an  election  of the  board of  directors. A  director of  a corporation  with a
classified board  of  directors  can  be  removed  only  for  cause  unless  the
certificate  of incorporation otherwise provides.  Since there is no controlling
definition of "cause" under  Delaware law, the resolution  of any dispute as  to
what constitutes "cause" may become a matter for determination by the courts.

    ICOT's  Charter  and  Bylaws  do  not  provide  for  a  classified  board of
directors. ICOT's Bylaws do provide for directors to be removed, with or without
cause, at  a  special meeting  of  the  stockholders called  for  that  purpose.
Therefore, after the Merger, former Amati shareholders will still be entitled to
remove  a director  with or  without cause by  a majority  shareholder vote, but
minority shareholders who could previously have blocked the removal of directors
in some cases because of cumulative voting will continue to have this power.

    VOTING REQUIREMENTS

    Unless  otherwise  specified  in  a  California  corporation's  articles  of
incorporation,  under the  CGCL an  amendment to  the articles  of incorporation
requires the affirmative vote of a  majority of the outstanding shares  entitled
to  vote thereon. Holders of  the outstanding shares of  a class are entitled to
vote as a class  if the proposed  amendment would (i)  increase or decrease  the
aggregate  number of authorized  shares of such class,  (ii) effect an exchange,
reclassification or cancellation of all or part of

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the shares of such class, other than a stock split, (iii) effect an exchange, or
create a right of exchange, of all or  part of the shares of another class  into
the  shares of  such class, (iv)  change the rights,  preferences, privileges or
restrictions of the  shares of  such class,  (v) create  a new  class of  shares
having  rights, preferences or privileges prior to  the shares of such class, or
increase the  rights, preferences  or  privileges or  the number  of  authorized
shares  having rights,  preferences or  privileges prior  to the  shares of such
class, (vi) in the case of preferred shares, divide the shares of any class into
series having  different  rights,  preferences, privileges  or  restrictions  or
authorize  the board of directors to do so, and (vii) cancel or otherwise affect
dividends on the shares of such class which have accrued but have not been paid.
The Amati Charter  currently provides that  amendments that would  (1) alter  or
change  any of  the powers  preferences, privileges  or rights  of the  Series A
Preferred Stock; or  (2) increase the  authorized number of  shares of Series  A
Preferred  Stock; or (3) amend the provisions regarding changes affecting Series
A Preferred Stock must be approved by the holders of at least a majority of  the
total number of shares of Series A Preferred Stock outstanding.

    Under   the  DGCL,  a  corporation  with  stock  outstanding  or  subscribed
ordinarily may amend its charter provided  that the amendment is advised by  the
board  of directors and  approved by affirmative  vote of a  majority of all the
votes entitled to be cast. Holders  of a class of stock  may vote as a class  if
the amendment would increase or decrease the number of authorized shares of such
class  or the par value of shares of such class, or would alter the preferences,
powers, or special rights of any class so as to affect them adversely.

    The ICOT Charter does not provide for any supermajority requirements or  any
special  voting rights for any class of stock. Therefore, Amati shareholders who
are currently entitled to vote as a  class on certain changes under the CGCL  or
the  Amati Charter may  no longer be  entitled to do  so in all  cases after the
Merger (including in  the case of  mergers and other  business combinations,  as
discussed below).

    BUSINESS COMBINATIONS/REORGANIZATIONS

    Under  the CGCL, a merger, consolidation or sale of all or substantially all
of a corporation's assets generally must be approved by the corporation's  board
of  directors and  a majority  of the  outstanding shares  entitled to  vote. In
addition, the CGCL requires such transactions, among others, to be approved by a
majority of the  outstanding shares of  each class of  stock (without regard  to
limitations  on  voting  rights). Shareholder  approval  is not  required  for a
corporation that will  own (or  whose shareholders will  own) equity  securities
other  than  warrants possessing  more  than 5/6  voting  power of  the combined
corporation (on an as-converted basis), provided no change that would  otherwise
require   shareholder  approval  is  made   to  the  corporation's  articles  of
incorporation.

    Under the DGCL, a merger, consolidation or sale of all or substantially  all
of  a  corporation's assets  generally must  be  approved by  a majority  of the
corporation's board of directors and a majority of all the votes entitled to  be
cast on the matter. Stockholder approval is not required for a corporation whose
certificate of incorporation will be unchanged by the merger if its common stock
(or  securities convertible into common  stock) to be issued  in the merger does
not exceed 20% of the common stock outstanding prior to the merger.

    As noted above, the ICOT Charter  does not provide for any supermajority  or
class  voting, and  Delaware law requires  a class  vote only with  respect to a
class of stock  that will  be adversely  affected by  a transaction.  Therefore,
Amati shareholders, who currently are entitled to vote on a class-by-class basis
with  respect to business  combinations may not  always be entitled  to do so as
ICOT stockholders.

    In addition  to the  foregoing, the  CGCL provides  that, except  where  the
fairness of the terms and conditions of the transaction has been approved by the
California Commissioner of Corporations and except in a "short-form" merger (the
merger  of a parent  corporation with a  subsidiary in which  the parent owns at
least 90% of the outstanding shares of each class of the subsidiary's stock), if
the  surviving  corporation  or  its   parent  corporation  owns,  directly   or
indirectly,  shares of the target corporation  representing more than 50% of the
voting power of the target corporation prior to the

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merger, the nonredeemable common stock of a target corporation may be  converted
only  into nonredeemable common stock of the surviving corporation or its parent
corporation, unless all of the shareholders of the class consent. The effect  of
this provision is to prohibit a cash-out merger of minority shareholders, except
where  the majority shareholder already owns 90%  or more of the voting power of
the target  corporation and  could, therefore,  effect a  short form  merger  to
accomplish such a cash-out of minority shareholders.

    In  addition, the CGCL requires that in connection with certain transactions
between a corporation whose shares are held of record by 100 or more persons and
an "interested party," such interested party  must deliver a written opinion  as
to  the fairness of the consideration to the shareholders of the corporation. An
"interested party" for purposes of this CGCL  provision means a person who is  a
party   to  the  transaction  and  (i)   directly  or  indirectly  controls  the
corporation, (ii) is an officer or director  of the corporation, or (iii) is  an
entity  in  which a  material  financial interest  is  held by  any  director or
executive officer  of the  corporation.  The DGCL  does not  contain  comparable
provisions.

    STOCKHOLDER APPROVAL OF CERTAIN BUSINESS COMBINATIONS

    Section  203 of  the DGCL ("Section  203") prohibits  a Delaware corporation
from engaging in a "business  combination" with an "interested stockholder"  for
three   years  following  the  date  that  such  person  becomes  an  interested
stockholder. With certain exceptions, an  interested stockholder is a person  or
group  who or  which owns  15% or more  of the  corporation's outstanding voting
stock (including any  rights to acquire  stock pursuant to  an option,  warrant,
agreement,  arrangement or understanding, or upon  the exercise of conversion or
exchange rights, and stock  with respect to which  the person has voting  rights
only), or is an affiliate or associate of the corporation which was the owner of
15% or more of such voting stock at any time within the previous three years.

    For  purposes of  Section 203,  the term  "business combination"  is defined
broadly to include mergers with or  caused by the interested stockholder;  sales
or other dispositions to the interested stockholder (except proportionately with
the  corporation's  other  stockholders)  of  assets  of  the  corporation  or a
subsidiary equal to ten  percent or more  of the aggregate  market value of  the
corporation's  consolidated  assets or  its outstanding  stock; the  issuance or
transfer by the corporation or a subsidiary of stock of the corporation or  such
subsidiary  to the interested stockholder (except  for transfers in a conversion
or exchange or a  pro rata distribution or  certain other transactions, none  of
which increase the interested stockholder's proportionate ownership of any class
or  series of the corporation's  or such subsidiary's stock);  or receipt by the
interested stockholder (except  proportionately as a  stockholder), directly  or
indirectly,  of  any loans,  advances,  guarantees, pledges  or  other financial
benefits provided by or through the corporation or a subsidiary.

    The three-year moratorium  imposed on business  combinations by Section  203
does  not apply if: (a)  prior to the date on  which such stockholder becomes an
interested stockholder  the  board of  directors  approves either  the  business
combination  of  the  transaction  which  resulted  in  the  person  becoming an
interested  stockholder;  (b)  the  interested  stockholder  owns  85%  of   the
corporation's  voting stock upon consummation of  the transaction which made him
an interested stockholder (excluding  from the 85%  calculation shares owned  by
directors  who are also  officers of the  target corporation and  shares held by
employee stock  plans which  do not  permit employees  to decide  confidentially
whether  to accept a tender or exchange offer); or (c) on or after the date such
person becomes  an  interested  stockholder, the  board  approves  the  business
combination  and it is also approved at a  stockholder meeting by 66 2/3% of the
voting stock not owned by the interested stockholder.

    Section 203 only  applies to  Delaware corporations  which have  a class  of
voting  stock that is listed on a national securities exchange, are quoted on an
interdealer quotation system such as the Nasdaq National Market (as is ICOT)  or
are  held of record by more than  2,000 shareholders. A Delaware corporation may
elect not to be governed by Section 203 by an amendment to its charter or to the
bylaws, which amendment must be approved by majority stockholder vote. ICOT  has
not done so and is, therefore, governed by Section 203.

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    Section  203 has been challenged in lawsuits arising out of ongoing takeover
disputes,  and  it   is  not  yet   clear  whether  and   to  what  extent   its
constitutionality  will  be upheld  by the  courts.  Although the  United States
District Court  for  the  District  of  Delaware  has  consistently  upheld  the
constitutionality  of  Section  203,  the Delaware  Supreme  Court  has  not yet
considered the issue.  Section 203  may discourage  certain potential  acquirors
unwilling to comply with its provisions.

    RIGHTS OF DISSENTING SHAREHOLDERS

    Under  both  California and  Delaware law,  a  shareholder of  a corporation
participating  in  certain  major  corporate  transactions  may,  under  varying
circumstances, be entitled to receive cash equal to the fair market value of the
shares  held  by  such  shareholder  (as  determined  by  a  court  of competent
jurisdiction or by agreement of the shareholder and the corporation) in lieu  of
the  consideration such shareholder would  otherwise receive in the transaction.
The laws of  California and Delaware  differ with respect  to the  circumstances
under which dissenters' rights of appraisal are available. Delaware law does not
require dissenters' rights with respect to (a) a sale of assets, (b) a merger by
a corporation, if the shares of which are either listed on a national securities
exchange  or held by more  than 2,000 shareholders of  record or if stockholders
receive shares  of the  surviving  corporation or  of  a listed  or  widely-held
corporation,  or  (c)  a  merger  in  which  the  corporation  is  the surviving
corporation, provided that no  vote of its stockholders  is required to  approve
the merger.

    California   law  does,   in  general,   afford  dissenters'   rights  in  a
sale-of-assets reorganization,  and the  exclusions from  dissenters' rights  in
mergers  are somewhat different from those in Delaware. For example, in the case
of a corporation  whose shares  are listed  on a  national securities  exchange,
dissenters'  rights would nevertheless be  available in certain transactions for
any shares with respect to which there are certain restrictions on transfer  and
for  any class with respect to which 5% or more of such class claims dissenters'
rights. Also, under California law, shareholders of a corporation involved in  a
reorganization are not entitled to dissenters' rights if the corporation, or its
shareholders  immediately before the reorganization, or both, will own more than
five-sixths of the voting power of the surviving or acquiring corporation or its
parent entity.

    INSPECTION OF SHAREHOLDERS LIST

    California  law  provides  for  an   absolute  right  of  inspection  of   a
shareholders'  list for persons  holding 5% or more  of the corporation's voting
shares or persons holding 1%  or more of such shares  who have filed a  Schedule
14B  with the  Commission relating  to the  election of  directors. Generally, a
Schedule 14B must  be filed by  any shareholder engaged  in the solicitation  of
proxies,  as such terms are defined in the federal securities law, in connection
with a contested election  of directors. Delaware law  gives any stockholder  of
record  the right  to inspect  the stockholders'  list for  a purpose reasonably
related to such  person's interest  as a stockholder  and, during  the ten  days
preceding  a stockholders'  meeting, for  any purpose  germane to  that meeting.
Delaware  law  contains  no  provision  comparable  to  the  absolute  right  of
inspection provided by California law to certain shareholders, and no such right
is  granted  under  ICOT's Charter  or  Bylaws. However,  under  California law,
California rules with respect to the inspection of shareholders' lists apply  to
any corporation such as ICOT that, although incorporated outside California, has
its  principal executive offices in California  or customarily holds meetings of
its Board of  Directors in California.  Lack of access  to stockholder  records,
even  though unrelated  to the  stockholder's interest  as a  stockholder, could
result in impairment of  the stockholder's ability  to coordinate opposition  to
management proposals, including proposals with respect to a change in control of
the corporation.

    DIVIDENDS

    Under  the CGCL, any  distributions (including dividends  and repurchases of
shares) generally are limited either to  retained earnings or to an amount  that
would  leave the corporation with tangible assets in an amount equal to at least
125% of its tangible liabilities and with  current assets in an amount at  least
equal  to its  current liabilities  (or 125% of  its current  liabilities if the
average pre-tax and  pre-interest earnings  for the preceding  two fiscal  years
were less than the average interest

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expenses  for such years). Such limitations  are applied on a consolidated basis
and are  based upon  the book  value  of assets  determined in  accordance  with
generally accepted accounting principles then applicable.

    Delaware law permits the payment of dividends out of surplus or, if there is
no  surplus,  out of  net profits  for  the current  and preceding  fiscal years
(provided that the amount  of capital of  the corporation is  not less than  the
aggregate  amount of the capital represented by the issued and outstanding stock
of all  classes  having  a  preference upon  the  distribution  of  assets).  In
addition,  Delaware  law generally  provides that  a  corporation may  redeem or
repurchase its own shares only if such redemption or repurchase would not impair
the capital of  the corporation. The  ability of a  Delaware corporation to  pay
dividends  on, or redeem or to make repurchases or redemptions of, its shares is
dependent on the financial status of the corporation standing alone and not on a
consolidated  basis.  In  determining  the  amount  of  surplus  of  a  Delaware
corporation,  the  assets of  the corporation,  including stock  of subsidiaries
owned by  the  corporation,  must  be  valued at  their  fair  market  value  as
determined by the board of directors, without regard to their historical value.

    While the Amati Charter currently contains provisions for the preference and
amount  of  dividend to  holders of  Amati  Series A  Preferred Stock,  the ICOT
Charter  does  not  currently  contain   restrictions  or  preferences  on   the
declaration  or payment of  dividends. Because all  Amati shareholders will hold
ICOT Common Stock, those  who currently benefit  from dividend preferences  will
cease to enjoy such preferences.

    AMENDMENT OR REPEAL OF RIGHTS

    The  provisions of the CGCL and the  DGCL applicable to the amendment of the
articles or  certificate  of incorporation  are  discussed above  under  "Voting
Requirements".

    Under  the CGCL, a corporation's bylaws  may be adopted, amended or repealed
either by the board of directors or the shareholders of the corporation. Amati's
Bylaws provide that the Bylaws may be changed either by the vote of the  holders
of  a majority of the outstanding shares entitled to vote or by Amati's board of
directors, except  that a  bylaw  amendment changing  the authorized  number  of
directors  may  be adopted  by  the Amati  board only  if  the Bylaws  permit an
indefinite number of directors and  the amendment changes the authorized  number
of directors within the limits specified in the Bylaws.

    Under  the DGCL, the power to amend the bylaws of a corporation is vested in
the shareholders, except  to the  extent that the  certificate of  incorporation
also vests it in the board of directors. The ICOT Bylaws provide that the bylaws
may be amended by the board of directors as well as by the shareholders.

    PREEMPTIVE RIGHTS

    Preemptive   rights  are   sometimes  given  to   a  corporation's  existing
shareholders and permit them  to maintain their percentage  of ownership in  the
corporation,  by  enabling them  to buy  a portion  of any  newly-issued shares.
Shareholders of a California corporation have  such preemptive rights as may  be
provided  in  the corporation's  articles  of incorporation.  The  Amati Charter
currently does not provide for preemptive rights.

    Under the DGCL, unless the corporation's charter provides otherwise or  with
certain  types  of  stock  issuances  and sales,  a  stockholder  does  not have
preemptive rights. The ICOT Charter does not provide for preemptive rights.

    TRANSACTIONS INVOLVING OFFICERS OR DIRECTORS

    Under both California and Delaware law, certain contracts or transactions in
which one or more of a corporation's  directors has an interest are not void  or
voidable  because of  such interest  provided that  certain conditions,  such as
obtaining the required approval  and fulfilling the  requirements of good  faith
and  full  disclosure,  are met.  With  certain exceptions,  the  conditions are
similar under California and  Delaware law, (a) either  the stockholders or  the
board of directors must approve any

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such contract or transaction in good faith after full disclosure of the material
facts,  and in the case of board  approval the contract or transaction must also
be "just  and  reasonable"  (in  California) or  "fair"  (in  Delaware)  to  the
corporation,  or  (b)  the  contract  or transaction  must  have  been  just and
reasonable or fair as  to the corporation  at the time it  was approved. In  the
latter  case,  California  law explicitly  places  the  burden of  proof  on the
interested director. Under  California law, if  shareholder approval is  sought,
the  interested director  is not  entitled to vote  his shares  at a shareholder
meeting with respect to  any action regarding such  contract or transaction.  If
board  approval is  sought, the  contract or transaction  must be  approved by a
majority vote of a  quorum of the  directors, without counting  the vote of  any
interested  directors  (except  that  interested directors  may  be  counted for
purposes of establishing  a quorum). Under  Delaware law, if  board approval  is
sought,  the  contract or  transaction must  be  approved by  a majority  of the
disinterested directors  (even  though  less  than  a  majority  of  a  quorum).
Therefore,  certain transactions that the board  of directors of Amati might not
be able  to approve  because of  the number  of interested  directors, could  be
approved by a majority of the disinterested directors of the ICOT, although less
than a majority of a quorum.

    Under  the CGCL, any loan or guaranty to or for the benefit of a director or
officer of  the  corporation  or  its  subsidiaries  requires  approval  of  the
shareholders  unless such loan or guaranty is provided for under a plan approved
by shareholders owning a majority of the outstanding shares of the  corporation.
However,  the  CGCL  permits shareholders  of  a  corporation with  100  or more
shareholders of record  to approve a  bylaw authorizing the  board of  directors
alone  to approve a loan or  guaranty to or on behalf  of an officer (whether or
not a  director) if  the  board determines  that such  a  loan or  guaranty  may
reasonably  be  expected to  benefit the  corporation. The  Amati Bylaws  do not
contain such a provision. Under Delaware  law, a corporation may make loans  to,
guarantee  the  obligations  of  or  otherwise  assist  its  officers  (or other
employees) when such  action, in the  judgment of directors,  may reasonably  be
expected  to  benefit the  corporation.  Therefore, Amati  shareholders  will no
longer be entitled to approve loans to officers and directors after the Merger.

    LIMITATION OF LIABILITY OF DIRECTORS

    Both the CGCL and the DGCL state expressly that the indemnification provided
for therein shall not be  deemed exclusive of any  other rights under any  other
bylaw,  agreement, vote of stockholders or disinterested directors, or otherwise
and provide  that  expenses may  be  advanced to  officers  and directors  in  a
specific  case upon  receipt of  an undertaking  to repay  such amount  if it is
ultimately determined  that  such  indemnified  party  is  not  entitled  to  be
indemnified. In addition, California and Delaware permit the determination as to
whether  an officer or director has met the applicable standard of conduct to be
made in certain circumstances by independent legal counsel.

    California law was  recently amended to  permit indemnification of  officers
and  directors to an  extent which is generally  coextensive with that permitted
under the Delaware law.  Prior to the recent  amendment, the California law  did
not  permit  indemnification  in  any  manner  inconsistent  with  the statutory
indemnification provisions.

    The Amati Charter and Bylaws provide that Amati must indemnify directors  of
Amati  to  the  fullest extent  permitted  by  California law.  Pursuant  to its
Charter, ICOT  is  similarly  required  to indemnify  directors  for  breach  of
fiduciary duty as a director to the full extent permitted by the DGCL.

    In  1986, the Delaware legislature enacted amendments to the Delaware law to
permit Delaware  corporations to  provide directors  additional protection  from
personal  liability.  Article ELEVENTH  of ICOT's  Charter  gives effect  to the
amendments to Delaware law and is intended to give to ICOT's directors the  full
protection against personal liability that is permitted under the amended law.

    Delaware  law  provides  that  the  board  of  directors  has  the  ultimate
responsibility for  managing  the business  and  affairs of  a  corporation.  In
discharging  this function, the law holds  directors to fiduciary duties of care
and loyalty to the corporation and its stockholders. The Delaware Supreme  Court
has  held that the  duty of care  requires the exercise  of an informed business
judgment. An

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informed business judgment means that directors have informed themselves of  all
material  information reasonably available  to them. Having  become so informed,
they then  must  act with  requisite  care in  the  discharge of  their  duties.
Liability  of  directors of  a Delaware  corporation to  the corporation  or its
stockholders for breach  of the duty  of care in  some circumstances requires  a
finding  by a  court that the  directors were grossly  negligent. ICOT's Charter
does not  change  the  standard  of care  required  of  directors.  However,  as
authorized  by statute, it eliminates the monetary liability of each director of
ICOT for breach of his  or her fiduciary duties,  subject to the exceptions  set
forth  in Delaware law.  Therefore, a stockholder  will be able  to prosecute an
action against a  director for monetary  damages only if  he or she  can show  a
breach  of the  duty of  loyalty, a  failure to  act in  good faith, intentional
misconduct, a knowing  violation of  law, an  improper personal  benefit, or  an
illegal  dividend or stock repurchase. Stockholders  will surrender any cause of
action for "negligence" or  "gross negligence" in satisfying  the duty of  care,
including  negligence or  gross negligent conduct  in the context  of a takeover
proposal of ICOT.

    Directors  also  have  a  duty  of  loyalty  to  the  corporation  and   its
stockholders.  The duty of loyalty requires that, in making a business decision,
directors act in good faith and in  the honest belief that the action taken  was
in  the best interests  of the corporation.  The ICOT Charter  does not insulate
directors of ICOT from liability for breach  of their duty of loyalty, nor  will
it  limit  the  liability of  directors  for  claims arising  under  the federal
securities laws. ICOT's  Charter does not  limit or eliminate  the right of  the
ICOT  or any stockholder to  seek an injunction or  other non-monetary relief in
the event  of a  breach  of a  director's duty  of  care, although,  in  certain
situations  equitable remedies may not be  as effective as monetary damages, and
third parties,  such  as  creditors of  ICOT,  will  not be  precluded  by  such
provision  from pursuing any claims they might have. Furthermore, ICOT's Charter
will have no effect on currently pending or prior litigation involving Amati and
its directors or on any liability by virtue of any act or omission by a director
that occurred prior to the  Merger. Amati is not aware  of any prior or  pending
litigation that would have been or would be impacted by ICOT's Charter.

    After  the Merger  is effected,  directors will  continue to  be relieved of
liability with respect to the foregoing actions to the extent such actions  were
based  on breach of their fiduciary duty of care. This may reduce the likelihood
of derivative litigation against directors and discourage or deter  stockholders
or  management from bringing  a lawsuit against directors  for breaches of their
fiduciary duties, even though such  action, if successful, might otherwise  have
benefitted ICOT and its stockholders.

    PREFERRED STOCK

    The  Amati  Charter  authorizes  the corporation  to  issue  Amati  Series A
Preferred Stock. The Amati Board  may alter the rights, preferences,  privileges
and  restrictions granted  to or  imposed upon  Amati Series  A Preferred Stock,
subject to certain protective provisions.

    The ICOT Charter provides that the ICOT Board without further action by  the
holders  of capital stock at  the time outstanding, shall  have the power to fix
the preferences,  conversion  or  other  rights,  voting  powers,  restrictions,
limitations   as  to  dividends,  qualifications,  or  terms  or  conditions  of
redemption of such ICOT Preferred Stock  as the Board shall determine to  issue.
It  is not possible to state the actual effect of the authorization and issuance
of a series of preferred stock upon  the rights of holders of ICOT Common  Stock
until  the ICOT  Board of  Directors determines  the specific  terms, rights and
preferences of  a  series  of  preferred stock.  Such  effects,  however,  might
include,  among other  things, restricting  dividends on  ICOT Common  Stock and
diluting the voting power of the  ICOT Common Stock. In addition, under  certain
circumstances, the issuance of preferred stock may render more difficult or tend
to discourage a merger, tender offer or proxy contest, the assumption of control
by  a holder of a  large block of ICOT's securities  or the removal of incumbent
management. ICOT has  no present  intention to  issue shares  of ICOT  Preferred
Stock.

                                       87
<PAGE>
    Each  share  of  Amati  Series  A Preferred  Stock  will  be  converted upon
consummation of the Merger into the number of shares of ICOT Common Stock  equal
to the Applicable Ratio. The Amati Series A Preferred Stock will therefore, as a
result of the Merger, lose certain rights, preferences and privileges pertaining
to such Preferred Stock as set forth in the Amati Charter.

    SHAREHOLDER DERIVATIVE SUITS

    California law provides that a shareholder who brings a derivative action on
behalf  of the corporation need  not have been a shareholder  at the time of the
transaction in question,  provided that  certain tests are  met. Under  Delaware
law,  a  stockholder  may  only  bring a  derivative  action  on  behalf  of the
corporation if the stockholder was a stockholder of the corporation at the  time
of  the transaction in question  or his or her  stock thereafter was received by
him or  her  by  operation  of  law.  California  law  also  provides  that  the
corporation or the defendant in a derivative suit may make a motion to the court
for  an order  requiring the plaintiff  shareholder to furnish  a security bond.
Delaware law does not have a similar bonding requirement.

TRANSFER AGENT AND REGISTRAR

    Chemical Mellon  Shareholder  Services Company  of  California acts  as  the
transfer agent and registrar for the ICOT Common Stock.

                                 LEGAL MATTERS

    The  validity of the ICOT  Common Stock issuable pursuant  to the Merger and
certain other legal  matters relating thereto  will be passed  upon for ICOT  by
Heller  Ehrman  White  & McAuliffe,  Palo  Alto,  California. Gray  Cary  Ware &
Freidenrich, Palo Alto, California is acting as counsel for Amati in  connection
with  certain  legal  matters  relating  to  the  Merger  and  the  transactions
contemplated thereby.

                                    EXPERTS

    The audited financial statements and schedules of ICOT at July 31, 1993  and
July  30, 1994 and for each of the three years in the period ended July 30, 1994
included in this  Prospectus/Proxy Statement and  elsewhere in the  Registration
Statement   have  been  audited  by  Arthur  Andersen  LLP,  independent  public
accountants, as  indicated  in  their  reports with  respect  thereto,  and  are
included herein in reliance upon the authority of said firm as experts.

    The  financial statements of Amati at December 31, 1993 and 1994 and for the
three years  ended in  the period  ended  December 31,  1994, included  in  this
Prospectus/Proxy  Statement of  Amati have  been audited  by Ernst  & Young LLP,
independent auditors, as set  forth in their  report appearing elsewhere  herein
and in the Registration Statement, and are included in reliance upon such report
given upon the authority of such firm as experts in accounting and auditing.

                                       88
<PAGE>
                         INDEX TO FINANCIAL STATEMENTS

<TABLE>
<CAPTION>
                                                                                                               PAGE
                                                                                                             ---------
<S>                                                                                                          <C>
ICOT CORPORATION:
  Report of Independent Public Accountants.................................................................        F-2
  Consolidated Balance Sheets..............................................................................        F-3
  Consolidated Statements of Operations....................................................................        F-4
  Consolidated Statements of Stockholders' Equity..........................................................        F-5
  Consolidated Statements of Cash Flows....................................................................        F-6
  Notes to Consolidated Financial Statements...............................................................        F-7
AMATI COMMUNICATIONS CORPORATION:
  Report of Independent Public Auditors....................................................................       F-17
  Balance Sheets...........................................................................................       F-18
  Statements of Operations.................................................................................       F-19
  Statements of Shareholders' Deficit......................................................................       F-20
  Statements of Cash Flows.................................................................................       F-21
  Notes to Financial Statements............................................................................       F-22
ICOT CORPORATION AND AMATI COMMUNICATIONS CORPORATION -- PRO FORMA:
  Preamble.................................................................................................        P-1
  Pro Forma Combined Condensed Balance Sheet...............................................................        P-2
  Pro Forma Combined Condensed Statement of Operations.....................................................        P-3
  Pro Forma Combined Condensed Statement of Operations.....................................................        P-4
  Notes to Pro Forma Combined Condensed Financial Statements...............................................        P-5
</TABLE>

                                      F-1
<PAGE>
                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS

To ICOT Corporation:

    We  have  audited  the  accompanying  consolidated  balance  sheets  of ICOT
Corporation (a Delaware corporation)  and subsidiaries as of  July 31, 1993  and
July   30,  1994,  and  the   related  consolidated  statements  of  operations,
stockholders' equity and cash flows  for each of the  three years in the  period
ended  July 30, 1994.  These financial statements are  the responsibility of the
Company's management.  Our responsibility  is  to express  an opinion  on  these
financial statements based on our audits.

    We  conducted  our audits  in  accordance with  generally  accepted auditing
standards. Those standards require that we plan and perform the audit to  obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also  includes
assessing  the  accounting principles  used  and significant  estimates  made by
management, as well as evaluating the overall financial statement  presentation.
We believe that our audits provide a reasonable basis for our opinion.

    In  our opinion, the financial statements  referred to above present fairly,
in all  material  respects,  the  financial position  of  ICOT  Corporation  and
subsidiaries  as of July  31, 1993 and July  30, 1994, and  the results of their
operations and their cash flows for each of the three years in the period  ended
July 30, 1994, in conformity with generally accepted accounting principles.

                                          ARTHUR ANDERSEN LLP

San Jose, California
August 25, 1994
(Except for Note 11,
as to which the date
is August 4, 1995)

                                      F-2
<PAGE>
                                ICOT CORPORATION
                          CONSOLIDATED BALANCE SHEETS
               (IN THOUSANDS, EXCEPT SHARE AND PER SHARE AMOUNTS)

                                     ASSETS

<TABLE>
<CAPTION>
                                                                                      JULY 31,   JULY 30,
                                                                                        1993       1994
                                                                                      ---------  ---------   APRIL 29,
                                                                                                                1995
                                                                                                            ------------
                                                                                                            (UNAUDITED)
<S>                                                                                   <C>        <C>        <C>
Current Assets:
  Cash and cash equivalents.........................................................  $   8,800  $     645   $      921
  Short-term investments............................................................     --          5,392        4,369
  Accounts receivable, less allowance of $32, $25 and $21 in 1993, 1994 and 1995,
   respectively.....................................................................        966      1,405        1,628
  Inventories:
    Finished goods..................................................................        278         64            2
    Work in process.................................................................        278        477          632
    Purchased parts.................................................................        304        854          427
                                                                                      ---------  ---------  ------------
                                                                                            860      1,395        1,061
  Advances to Amati.................................................................     --         --              550
  Other current assets..............................................................        562        626          987
                                                                                      ---------  ---------  ------------
      Total current assets..........................................................     11,188      9,463        9,516
                                                                                      ---------  ---------  ------------
Equipment and Leasehold Improvements, at cost:
  Machinery and equipment...........................................................      3,619      2,784          505
  Furniture and fixtures............................................................        574        221          190
  Leasehold improvements............................................................        662        537        2,796
                                                                                      ---------  ---------  ------------
                                                                                          4,855      3,542        3,491
Less: Accumulated depreciation and amortization.....................................     (3,647)    (2,609)      (2,830)
                                                                                      ---------  ---------  ------------
      Equipment and leasehold improvements, net.....................................      1,208        933          661
Other assets........................................................................        540        995          553
                                                                                      ---------  ---------  ------------
      Total Assets..................................................................  $  12,936  $  11,391   $   10,730
                                                                                      ---------  ---------  ------------
                                                                                      ---------  ---------  ------------
                                          LIABILITIES AND STOCKHOLDERS' EQUITY
Current Liabilities:
  Current maturities of capitalized lease obligations...............................  $     102  $      82   $       15
  Trade accounts payable............................................................        109        265          136
  Accrued expenses..................................................................      2,387      1,824        1,093
                                                                                      ---------  ---------  ------------
      Total current liabilities.....................................................      2,598      2,171        1,244
                                                                                      ---------  ---------  ------------
Long-term Liabilities:
  Capitalized lease obligations, less current maturities............................         97         10            1
  Obligations under lease commitments...............................................      1,002        418          294
                                                                                      ---------  ---------  ------------
      Total long-term liabilities...................................................      1,099        428          295
                                                                                      ---------  ---------  ------------
Commitments (Note 8)................................................................     --         --           --
Stockholders' Equity:
  Preferred stock-par value $100 per share
    Authorized -- 5,000 shares
    Outstanding -- none.............................................................     --         --           --
  Common stock-par value $.20 per share
    Authorized -- 20,000,000 shares
    Outstanding -- 12,739,058, 11,956,189 and 11,421,827 shares in 1993, 1994 and
     1995, respectively.............................................................      2,548      2,391        2,285
  Additional paid-in capital........................................................     34,442     33,649       33,194
  Accumulated deficit...............................................................    (27,751)   (27,248)     (26,288)
                                                                                      ---------  ---------  ------------
      Total stockholders' equity....................................................      9,239      8,792        9,191
                                                                                      ---------  ---------  ------------
      Total Liabilities and Stockholders' Equity....................................  $  12,936  $  11,391   $   10,730
                                                                                      ---------  ---------  ------------
                                                                                      ---------  ---------  ------------
</TABLE>

   The accompanying notes are an integral part of these consolidated balance
                                    sheets.

                                      F-3
<PAGE>
                                ICOT CORPORATION
                     CONSOLIDATED STATEMENTS OF OPERATIONS
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

<TABLE>
<CAPTION>
                                                                 YEARS ENDED              NINE MONTHS ENDED
                                                       -------------------------------  ----------------------
                                                       JULY 25,   JULY 31,   JULY 30,    APRIL 30,   APRIL 29,
                                                         1992       1993       1994        1994        1995
                                                       ---------  ---------  ---------  -----------  ---------
                                                                                             (UNAUDITED)
<S>                                                    <C>        <C>        <C>        <C>          <C>
Net Sales............................................  $  26,324  $  12,307  $   8,236   $   5,837   $   8,737
Cost of Sales........................................     12,671      7,622      4,428       2,959       5,061
                                                       ---------  ---------  ---------  -----------  ---------
  Gross margin.......................................     13,653      4,685      3,808       2,878       3,676
                                                       ---------  ---------  ---------  -----------  ---------
Operating Expenses:
  Research and development...........................      2,406      2,533      1,429       1,078       1,281
  Marketing and sales................................      5,040      3,365        884         659         760
  General and administrative.........................      3,276      2,137      1,177         949         815
  Restructuring charge...............................     --          2,871     --          --          --
                                                       ---------  ---------  ---------  -----------  ---------
    Total operating expenses.........................     10,722     10,906      3,490       2,686       2,856
                                                       ---------  ---------  ---------  -----------  ---------
  Income (loss) from operations......................      2,931     (6,221)       318         192         820
                                                       ---------  ---------  ---------  -----------  ---------
Other Income (Expense):
  Interest income....................................        505        291        233         173         198
  Interest expense...................................        (38)       (33)       (21)        (17)         (7)
                                                       ---------  ---------  ---------  -----------  ---------
    Total other income...............................        467        258        212         156         191
                                                       ---------  ---------  ---------  -----------  ---------
  Income (loss) before provision for income taxes....      3,398     (5,963)       530         348       1,011
  Provision for income taxes.........................        265     --             27          22          51
                                                       ---------  ---------  ---------  -----------  ---------
  Net income (loss)..................................  $   3,133  $  (5,963) $     503   $     326   $     960
                                                       ---------  ---------  ---------  -----------  ---------
                                                       ---------  ---------  ---------  -----------  ---------
  Net income (loss) per share........................  $     .23  $    (.46) $     .04   $     .03   $     .08
                                                       ---------  ---------  ---------  -----------  ---------
                                                       ---------  ---------  ---------  -----------  ---------
Weighted Average Number of Common Shares and Common
 Share Equivalents...................................     13,471     12,897     12,319      12,428      11,595
                                                       ---------  ---------  ---------  -----------  ---------
                                                       ---------  ---------  ---------  -----------  ---------
</TABLE>

 The accompanying notes are an integral part of these consolidated statements.

                                      F-4
<PAGE>
                                ICOT CORPORATION
                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
                                 (IN THOUSANDS)

<TABLE>
<CAPTION>
                                                             COMMON STOCK      ADDITIONAL
                                                         --------------------    PAID-IN    ACCUMULATED
                                                          SHARES     AMOUNT      CAPITAL      DEFICIT       TOTAL
                                                         ---------  ---------  -----------  ------------  ---------
<S>                                                      <C>        <C>        <C>          <C>           <C>
Balance, July 27, 1991.................................     12,750  $   2,550   $  34,488    $  (24,921)  $  12,117
  Exercise of employee stock options...................        177         35         208        --             243
  Net income...........................................     --         --          --             3,133       3,133
                                                         ---------  ---------  -----------  ------------  ---------
Balance, July 25, 1992.................................     12,927      2,585      34,696       (21,788)     15,493
  Exercise of employee stock options...................         68         14          42        --              56
  Stock repurchase.....................................       (256)       (51)       (296)       --            (347)
  Net loss.............................................     --         --          --            (5,963)     (5,963)
                                                         ---------  ---------  -----------  ------------  ---------
Balance, July 31, 1993.................................     12,739      2,548      34,442       (27,751)      9,239
  Exercise of employee stock options...................         76         15          50        --              65
  Stock repurchase.....................................       (859)      (172)       (843)       --          (1,015)
  Net income...........................................     --         --          --               503         503
                                                         ---------  ---------  -----------  ------------  ---------
Balance, July 30, 1994.................................     11,956      2,391      33,649       (27,248)      8,792
  Exercise of employee stock options...................          3          1           1        --               2
  Stock repurchase.....................................       (537)      (107)       (456)       --            (563)
  Net income...........................................     --         --          --               960         960
                                                         ---------  ---------  -----------  ------------  ---------
Balance, April 29, 1995 (Unaudited)....................     11,422  $   2,285   $  33,194    $  (26,288)  $   9,191
                                                         ---------  ---------  -----------  ------------  ---------
                                                         ---------  ---------  -----------  ------------  ---------
</TABLE>

 The accompanying notes are an integral part of these consolidated statements.

                                      F-5
<PAGE>
                                ICOT CORPORATION

                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                                 (IN THOUSANDS)

<TABLE>
<CAPTION>
                                                                   YEARS ENDED              NINE MONTHS ENDED
                                                         --------------------------------  --------------------
                                                         JULY 25,   JULY 31,    JULY 30,   APRIL 30,  APRIL 29,
                                                           1992       1993        1994       1994       1995
                                                         ---------  ---------  ----------  ---------  ---------
                                                                                               (UNAUDITED)
<S>                                                      <C>        <C>        <C>         <C>        <C>
Cash Flows from Operating Activities:
  Net income (loss)....................................  $   3,133  $  (5,963) $      503  $     326  $     960
  Adjustments to reconcile net income (loss) to net
   cash provided by (used for) operating activities:
    Depreciation and amortization......................        883      1,162         400        316        539
    Provision for bad debts............................         16         30      --         --         --
    Loss on retirement of capital equipment............          2        126         126         57         43
    Restructuring charge...............................     --          2,871      --         --         --
    Changes in assets and liabilities:
      Decrease (increase) in accounts receivable.......        924      1,186        (439)      (290)      (223)
      Decrease (increase) in inventories...............       (268)     1,252        (535)    (1,216)       334
      Decrease (increase) in other current assets......        (30)       (53)        (64)       119       (361)
      Decrease in trade accounts payable and accrued
       expenses........................................       (710)    (2,522)       (407)      (111)      (667)
      Decrease in other long-term liabilities..........       (513)      (749)       (584)      (339)      (124)
                                                         ---------  ---------  ----------  ---------  ---------
Net cash provided by (used for) operating activities...      3,437     (2,660)     (1,000)    (1,138)       501
                                                         ---------  ---------  ----------  ---------  ---------
Cash Flows from Investing Activities:
  Advances to Amati....................................     --         --          --         --           (550)
  Capital expenditures.................................       (734)      (319)       (251)       (77)       (61)
  Purchased/capitalized software development costs.....     (1,509)      (733)       (455)      (390)    --
  Purchase of short-term investments...................     --         --         (13,218)    (5,432)    (5,862)
  Proceeds from maturity of investments................     --         --           7,826      1,793      6,885
                                                         ---------  ---------  ----------  ---------  ---------
Net cash provided by (used for) investing activities...     (2,243)    (1,052)     (6,098)    (4,106)       412
                                                         ---------  ---------  ----------  ---------  ---------
Cash Flows from Financing Activities:
  Proceeds from the exercise of stock options..........        243         56          65         65          2
  Payments on capital lease obligations................        (85)       (89)       (107)       (78)       (76)
  Stock repurchases....................................     --           (347)     (1,015)      (947)      (563)
                                                         ---------  ---------  ----------  ---------  ---------
Net cash provided by (used for) financing activities...        158       (380)     (1,057)      (960)      (637)
                                                         ---------  ---------  ----------  ---------  ---------
Net Increase (Decrease) in Cash and Cash Equivalents...      1,352     (4,092)     (8,155)    (6,204)       276
Cash and Cash Equivalents at Beginning of Period.......     11,540     12,892       8,800      8,800        645
                                                         ---------  ---------  ----------  ---------  ---------
Cash and Cash Equivalents at End of Period.............  $  12,892  $   8,800  $      645  $   2,596  $     921
                                                         ---------  ---------  ----------  ---------  ---------
                                                         ---------  ---------  ----------  ---------  ---------
</TABLE>

 The accompanying notes are an integral part of these consolidated statements.

                                      F-6
<PAGE>
                                ICOT CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
          (INFORMATION RELATED TO THE NINE MONTHS ENDED APRIL 30, 1994
                        AND APRIL 29, 1995 IS UNAUDITED)

NOTE 1 -- OPERATIONS OF THE COMPANY

BUSINESS

    The  Company designs,  manufactures, markets and  services a  broad range of
network  connectivity  products  for  IBM  and  IBM-compatible   PC-to-Mainframe
Connectivity  and related OEM markets. The Company's products are mainly used by
large companies with mainframes and significant PC network applications such  as
insurance,   transportation,  financial  service,   manufacturing,  banking  and
brokerage companies.

RESTRUCTURING CHARGE

    During fiscal  1993,  the  Company  implemented  a  strategic  restructuring
program.  To achieve a more focused  product and marketing strategy, the Company
decided to market its  PC to Mainframe Connectivity  products only to OEMs,  API
and  strategic  End User  market segments  of the  Windows and  DOS Connectivity
market. As  a result  of this  change  in product  and marketing  strategy,  the
Company  streamlined  and downsized  its operations  by reducing  its workforce,
consolidating certain facilities, disposing of excess equipment and writing  off
capitalized  software  development  costs.  These  costs  are  reflected  in the
Company's Consolidated Statements  of Operations  as a  restructuring charge  of
$2,871,000 in fiscal 1993.

   
    A summary of the restructuring charge is presented below:
    

   
<TABLE>
<S>                                                                      <C>
Write-off of capitalized software development costs....................  $1,454,000
Reduction in workforce.................................................     798,000
Disposition of excess equipment........................................     316,000
Closing of excess facility.............................................     303,000
                                                                         ----------
    Total restructuring charge.........................................  $2,871,000
                                                                         ----------
                                                                         ----------
</TABLE>
    

NOTE 2 -- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

CONSOLIDATION

    The   consolidated  financial  statements  include   the  accounts  of  ICOT
Corporation and  its  wholly-owned  subsidiary, ICOT  International,  Ltd.  (the
"Company").  All significant  intercompany accounts  and transactions  have been
eliminated.

INVENTORIES

    Inventories are stated at the lower of cost (first-in, first-out) or market,
and include materials, labor and manufacturing overhead. Inventory is valued  at
currently  adjusted  standards which  approximate  actual costs  on  a first-in,
first-out basis.

DEPRECIATION AND AMORTIZATION

    Depreciation and amortization  are provided using  the straight-line  method
over the estimated useful lives of the related assets as follows:

   
<TABLE>
<S>                                                             <C>
Machinery and equipment.......................................  5 years
Furniture and fixtures........................................  5 years
                                                                Shorter of lease
Leasehold improvements........................................  term or useful life
</TABLE>
    

                                      F-7
<PAGE>
                                ICOT CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
          (INFORMATION RELATED TO THE NINE MONTHS ENDED APRIL 30, 1994
                        AND APRIL 29, 1995 IS UNAUDITED)

NOTE 2 -- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
SOFTWARE DEVELOPMENT COSTS

   
    The  Company  capitalizes  software  development  costs  in  accordance with
Statement  of  Financial   Accounting  Standards   No.  86   ("SFAS  86").   The
capitalization  of  these costs  begins  when technological  feasibility  of the
related product has been achieved  which has been defined  as the point in  time
that  the  Company  has  developed  a  beta  version  of  the  software product.
Capitalization ends  when  the  product  is available  for  general  release  to
customers.  Amortization is computed  on an individual product  basis and is the
greater of (a) the ratio  of current gross revenues for  a product to the  total
current  and  anticipated future  gross  revenues for  that  product or  (b) the
straight-line method over the estimated economic life of the product.  Currently
the  Company  is  using  an  estimated economic  life  of  three  years  for all
capitalized software costs.
    

   
    During fiscal 1995 there was no capitalization of software development costs
as the criteria for capitalization had not been met. Capitalized software  costs
totaled  $1,509,000,  $733,000  and $455,000  for  fiscal 1992,  1993  and 1994,
respectively, and $390,000 for the nine  months ended April 30, 1994. In  fiscal
1994,  there  was  no  amortization of  capitalized  software  development costs
because none of  the capitalized  software projects were  available for  general
release.  The amortization of capitalized  software development costs charged to
cost of sales in fiscal 1992  and 1993 was $426,000 and $692,000,  respectively,
and $249,000 for the nine months ended April 29, 1995.
    

    In  the fourth quarter of fiscal  1993, all capitalized software development
costs associated with the Company's PC-Connectivity products of $1,454,000  were
written off as part of the Company's restructuring program.

    Capitalized  software development costs related  to its OEM market business,
shown in  other assets  in the  accompanying Consolidated  Balance Sheets,  were
$540,000  and $995,000 as of July 31,  1993 and July 30, 1994, respectively, and
$553,000 as of April 29, 1995.

ACCRUED EXPENSES

    Accrued expenses include the following:

<TABLE>
<CAPTION>
                                                                 JULY 31,   JULY 30,    APRIL 29,
                                                                   1993       1994        1995
                                                                 ---------  ---------  -----------
                                                                          (IN THOUSANDS)
<S>                                                              <C>        <C>        <C>
Accrued employee compensation..................................  $     325  $     333   $     268
Deferred income................................................        286        401         188
Facilities reserve.............................................        377        299         201
Restructuring reserve..........................................      1,023        530           2
Other..........................................................        376        261         434
                                                                 ---------  ---------  -----------
                                                                 $   2,387  $   1,824   $   1,093
                                                                 ---------  ---------  -----------
                                                                 ---------  ---------  -----------
</TABLE>

    The portion of  the restructuring and  facilities reserve that  will not  be
paid  within  the next  twelve months  is included  in long-term  liabilities as
obligations under lease commitments in the  amount of $892,000 and $418,000  for
fiscal year 1993 and 1994, respectively, and $294,000 as of April 29, 1995.

INCOME TAXES

    In  February 1992, the Financial Accounting Standards Board issued Statement
of Financial Accounting Standards  No. 109, "Accounting  for Income Taxes."  The
Company  adopted  the provisions  of  this statement  in  fiscal year  1994. The
adoption of this statement did not have  a material impact on the prior year  or
current year financial statements.

                                      F-8
<PAGE>
                                ICOT CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
          (INFORMATION RELATED TO THE NINE MONTHS ENDED APRIL 30, 1994
                        AND APRIL 29, 1995 IS UNAUDITED)

NOTE 2 -- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
REVENUE RECOGNITION

   
    The  Company  recognizes revenue  from product  sales  upon shipment  to the
customer.  Revenues  from  maintenance  and  extended  warranty  agreements  are
recognized  ratably over  the term of  the agreement. The  Company also licenses
products to OEMs and recognizes royalties as specified in the license  agreement
when  shipment of the  licensed product by  the OEM is  reported to the Company.
Service maintenance, warranty and royalty revenues each accounted for less  than
10% of the Company's total revenues.
    

    The  Company recognizes revenue in accordance with the American Institute of
Certified Public  Accountants' Statement  of  Position ("SOP")  91-1,  "Software
Revenue Recognition." The SOP requires, among other things, that the sales value
of  post  contract customer  support which  is  included as  part of  an initial
warranty period,  must  be deferred  and  amortized over  the  warranty  period.
Deferred  revenues related to  post contract customer  support were $147,000 and
$63,000 for fiscal years  1993 and 1994, respectively,  and $61,000 as of  April
29,  1995.  These  costs  are  included in  accrued  expenses  in  the Company's
Consolidated Balance Sheets.

SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION

    For purposes of the statements of cash flows, cash and cash equivalents  are
defined  as cash in  banks and highly liquid  investments with original maturity
dates of three months or less.

    Cash paid for  interest was  $38,000, $33,000,  and $21,000  for the  fiscal
years  1992, 1993 and  1994, respectively, and  $17,000 and $7,000  for the nine
months ended April  30, 1994  and April 29,  1995, respectively.  Cash paid  for
income  taxes was $9,000, $17,000,  and $34,000 for fiscal  years 1992, 1993 and
1994, respectively, and $20,000 and $15,000 for the nine months ended April  30,
1994 and April 29, 1995, respectively.

ADOPTION OF SFAS NO. 115

    The  Company  adopted the  provisions of  Statement of  Financial Accounting
Standards (SFAS) No. 115, "Accounting for Certain Investments in Debt and Equity
Securities," as  of  the  beginning  of  its 1995  fiscal  year.  SFAS  No.  115
establishes  standards for financial accounting and reporting for investments in
equity securities  that  have  readily  determinable fair  values  and  for  all
investments in debt securities whereby each investment is classified into one of
three  categories: held-to-maturity,  available-for-sale or  trading securities.
During fiscal 1995,  the Company  did not have  any equity  securities and  debt
securities,  which consist of treasury bills with contractual maturities of less
than twelve months, were  classified as "held to  maturity." At April 29,  1995,
the  difference between the cost  and fair market value  of these securities was
insignificant and the adoption of SFAS No. 115 did not have a material impact on
the Company's financial statements.

UNAUDITED INTERIM FINANCIAL STATEMENT DATA

    The unaudited financial statements for the nine months ended April 30,  1994
and April 29, 1995 have been prepared on the same basis as the audited financial
statements,   and  in  the  opinion  of  management,  include  all  adjustments,
consisting of normal  recurring adjustments, necessary  for a fair  presentation
thereof. Operating results for the interim period are not necessarily indicative
of the results that may be expected for the entire fiscal year.

NOTE 3 -- BUSINESS SEGMENT AND MAJOR CUSTOMERS
    The   Company  operates  a   one-segment  business  in   which  it  designs,
manufactures and markets  data communications equipment  and provides  technical
support  and maintenance services related thereto. Sales  to IBM in terms of net
sales  accounted   for   83%,  62%   and   65%   in  fiscal   1992,   1993   and

                                      F-9
<PAGE>
                                ICOT CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
          (INFORMATION RELATED TO THE NINE MONTHS ENDED APRIL 30, 1994
                        AND APRIL 29, 1995 IS UNAUDITED)

NOTE 3 -- BUSINESS SEGMENT AND MAJOR CUSTOMERS (CONTINUED)
1994,  respectively, and 63% and  81% for the nine  months ending April 30, 1994
and April 29, 1995,  respectively. The Company has  a concentration of  accounts
receivable with IBM of $1,120,000 as of July 30, 1994 and $1,298,000 as of April
29,  1995. Export sales  in terms of  net sales accounted  for 6%, 1%  and 2% in
fiscal 1992, 1993  and 1994,  respectively, and 1%  for the  nine months  ending
April  30, 1994  and April  29, 1995.  Export sales  are shipments  to locations
outside the United States, primarily to Western Europe and Canada.

   
FUNDED DEVELOPMENT AGREEMENTS
    

   
    The Company enters into certain  funded development arrangements with  OEMs.
Costs  under  these  arrangements  are deferred  until  the  related development
revenues  are  recognized.  Revenues   under  these  agreements  are   generally
recognized   when  certain  contractual  milestones   are  met.  Total  revenues
recognized under  these agreements  were $1,185,000,  $834,000 and  $555,000  in
fiscal  1992, 1993 and 1994, respectively, and $465,000 and $42,000 for the nine
month periods ended April 30, 1994 and April 29, 1995, respectively.
    

NOTE 4 -- CAPITALIZED LEASE OBLIGATIONS
    Future minimum lease  payments under capitalized  lease obligations were  as
follows:

<TABLE>
<CAPTION>
                                                                             JULY 30,     APRIL 29,
FISCAL YEAR                                                                    1994         1995
- --------------------------------------------------------------------------  -----------  -----------
                                                                                 (IN THOUSANDS)
<S>                                                                         <C>          <C>
1995......................................................................   $      89    $      17
1996......................................................................          10       --
                                                                                   ---          ---
Total minimum lease payments..............................................          99           17
Less: Amounts representing interest (9% - 18%)............................          (7)          (1)
                                                                                   ---          ---
Present value of net minimum lease payments...............................          92           16
Less: Current maturities..................................................         (82)         (15)
                                                                                   ---          ---
Long-term maturities......................................................   $      10    $       1
                                                                                   ---          ---
                                                                                   ---          ---
</TABLE>

    Machinery  and  equipment  at July  30,  1994  and April  29,  1995 included
approximately $399,000  and $62,000,  respectively, of  equipment under  capital
leases.  Accumulated depreciation  for such equipment  approximated $313,000 and
$47,000 at July 30, 1994  and April 29, 1995,  respectively. The Company has  no
material commitments for capital expenditures as of April 29, 1995.

NOTE 5 -- STOCK OPTION PLANS
    The  Company has three employees and one non-employee Directors stock option
plans. The option  price in  each plan may  not be  less than 100%  of the  fair
market value of the stock on the date of grant. Employee stock options generally
become  exercisable at the rate  of 25% after six months  from the date of grant
and 25% per year thereafter, at the discretion of the Board of Directors.

    An Incentive Stock  Option Plan and  a Supplemental Stock  Option Plan  were
adopted  by the  Company in  1981. Total  shares authorized  under the Incentive
Stock Option Plan and the Supplemental Stock Option Plan were 875,000 shares and
1,025,000 shares, respectively. As of April 29, 1995, options for 581,875 shares
have been granted and were exercisable,  and there are no options available  for
future  grant under these plans. Both plans expired in October 1991. The options
that have been granted under these plans will expire ten years after grant.

    The Company adopted a 1990 Stock Option Plan on September 14, 1990, approved
by the stockholders on  December 14, 1990. There  are 900,000 shares  authorized
under the 1990 Stock

                                      F-10
<PAGE>
                                ICOT CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
          (INFORMATION RELATED TO THE NINE MONTHS ENDED APRIL 30, 1994
                        AND APRIL 29, 1995 IS UNAUDITED)

NOTE 5 -- STOCK OPTION PLANS (CONTINUED)
Option Plan. As of April 29, 1995, options for 412,300 shares have been granted,
262,475  shares were  exercisable and 487,700  shares were  available for future
grant under this plan. The maximum term of options granted under the plan is ten
years.

    The Company  adopted a  1990 Non-Employee  Directors' Stock  Option Plan  on
September  14, 1990 for 395,000 shares, approved by the Stockholders on December
14, 1990.  On the  date the  plan was  adopted, each  non-employee Director  was
granted 25,000 shares of common stock of the Company. Each person who is elected
for  the first time to be a  non-employee Director will automatically be granted
an option to purchase 25,000 shares  of the Company's common stock. The  options
for 25,000 shares are immediately exercisable. On December 2, 1993, the plan was
amended  to reflect  a decrease  in the plan  of 150,000  shares leaving 245,000
shares reserved for grant  under this plan.  As of April  29, 1995, options  for
97,500  shares  have been  granted, 67,500  shares  were exercisable  and 90,000
shares were available for future grants under this plan.

    On September  1 of  each year  commencing September  1, 1991,  an option  to
purchase  10,000 shares  of the  Company's common  stock shall  automatically be
granted to  each non-employee  Director. The  options for  10,000 shares  become
exercisable  at the rate of 25% after six  months from the date of grant and 25%
per year at the end of every subsequent one year period. The options will expire
ten years after grant.

OPTION EXCHANGE PROGRAM

    On September 16,  1991 the Board  of Directors authorized  the grant of  new
options  to purchase common  stock under the Incentive  Plan or the Supplemental
Plan with an exercise price of $1.00 per share to employees, including executive
officers, who executed  agreements to  cancel their existing  options under  the
Incentive  Plan and Supplemental Plan on the basis of one new share for each two
existing shares exchanged, subject to a  new two year vesting period. In  return
for  the benefit of receiving options of a  like kind but with an exercise price
of $1.00 per share (the fair market value on the date of grant), the new options
are subject to two year vesting. The option exchange program expired on  October
21, 1991 and all options not exchanged remain outstanding and are fully vested.

                                      F-11
<PAGE>
                                ICOT CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
          (INFORMATION RELATED TO THE NINE MONTHS ENDED APRIL 30, 1994
                        AND APRIL 29, 1995 IS UNAUDITED)

NOTE 5 -- STOCK OPTION PLANS (CONTINUED)
    Stock option activity under the plans was as follows:

<TABLE>
<CAPTION>
                                                                        OPTIONS     OPTION PRICE
                                                                      OUTSTANDING     PER SHARE
                                                                      -----------  ---------------
<S>                                                                   <C>          <C>
Balance, July 27, 1991..............................................    1,484,150
Granted.............................................................      961,225  $  1.00 - $3.25
Exercised...........................................................     (177,250) $  0.69 - $3.75
Canceled............................................................     (822,025) $  0.56 - $9.00
                                                                      -----------
Balance, July 25, 1992..............................................    1,446,100
Granted.............................................................      613,500  $  1.13 - $2.13
Exercised...........................................................      (67,950) $  0.31 - $1.00
Canceled............................................................     (586,175) $  0.31 - $3.75
                                                                      -----------
Balance, July 31, 1993..............................................    1,405,475
Granted.............................................................       20,000  $  1.13 - $1.13
Exercised...........................................................      (76,250) $  0.75 - $1.06
Canceled............................................................     (253,950) $  1.00 - $3.25
                                                                      -----------
Balance, July 30, 1994..............................................    1,095,275
Granted.............................................................       60,000  $  1.19 - $1.19
Exercised...........................................................       (3,000) $  0.75 - $0.75
Canceled............................................................      (60,600) $  0.75 - $1.88
                                                                      -----------
Balance, April 29, 1995.............................................    1,091,675
                                                                      -----------
                                                                      -----------
</TABLE>

    On  April 29, 1995, there were 1,091,675 shares of common stock reserved for
options outstanding  and 577,700  shares  of common  stock reserved  for  future
grants under all stock option plans.

NOTE 6 -- INCOME TAXES
    As of April 29, 1995, the Company's tax net operating loss carryforwards for
federal  tax purposes  were approximately $22,870,000.  The 1986  Tax Reform Act
contains provisions which limit the  amount of net operating loss  carryforwards
which  may be  utilized in any  given fiscal  year when a  significant change in
ownership interest occurs. These carryforwards expire in various amounts through
the year 2009.

    The Company has an additional $2,234,000 of net operating loss carryforwards
which were acquired in connection with a fiscal 1988 acquisition. The change  in
ownership of the company acquired will affect the availability and timing of the
amount  of prior  losses to be  used to  offset taxable income  in future years.
These carryforwards expire in various amounts through the year 2005.

    The United States Tax Reform Act of 1986 contains provisions that may  limit
the  net  operating  loss  carryforwards and  research  and  development credits
available to be used in any given year should certain events occur, including  a
significant  change in ownership.  Management of the  Company believes, however,
that such  a  limitation will  not  have a  significant  impact on  the  overall
utilization of its net operating loss carryforwards.

    As  of April  29, 1995,  the Company also  has available  net operating loss
carryforwards of  approximately $4,825,000  to  offset future  California  state
taxable  income. These carryforwards expire in various amounts through the years
1995-2000. The Company also has  certain tax credit carryforwards of  $1,189,000
which expire in various amounts through the year 2009.

                                      F-12
<PAGE>
                                ICOT CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
          (INFORMATION RELATED TO THE NINE MONTHS ENDED APRIL 30, 1994
                        AND APRIL 29, 1995 IS UNAUDITED)

NOTE 6 -- INCOME TAXES (CONTINUED)
    There  was no  significant provision or  benefit for income  taxes in fiscal
1993 due to losses incurred. The provision for income taxes is as follows:

<TABLE>
<CAPTION>
                                                                         YEARS ENDED                NINE MONTHS ENDED
                                                              ---------------------------------  ------------------------
                                                              JULY 25,   JULY 31,    JULY 30,     APRIL 30,    APRIL 29,
                                                                1992       1993        1994         1994         1995
                                                              ---------  ---------  -----------  -----------  -----------
                                                                                    (IN THOUSANDS)
<S>                                                           <C>        <C>        <C>          <C>          <C>
Income (loss) before provision for income taxes:
  Domestic..................................................  $   4,538  $  (5,333)  $     530    $     348    $   1,011
  Foreign...................................................     (1,140)      (630)     --           --           --
                                                              ---------  ---------       -----        -----   -----------
  Income (loss) before provision for income taxes...........  $   3,398  $  (5,963)  $     530    $     348    $   1,011
                                                              ---------  ---------       -----        -----   -----------
                                                              ---------  ---------       -----        -----   -----------
Provision for income taxes:
  Current federal...........................................  $      30  $  --       $      11    $       9    $      21
  Current state.............................................        235     --              16           13           30
                                                              ---------  ---------       -----        -----   -----------
  Total provision for income taxes..........................  $     265  $  --       $      27    $      22    $      51
                                                              ---------  ---------       -----        -----   -----------
                                                              ---------  ---------       -----        -----   -----------
</TABLE>

    The provision for income taxes differs from the amounts obtained by applying
the Federal statutory rate to income before taxes as follows:
<TABLE>
<CAPTION>
                                                                                                             NINE MONTHS
                                                                                YEARS ENDED                     ENDED
                                                                  ----------------------------------------  -------------
                                                                    JULY 25,      JULY 31,      JULY 30,      APRIL 30,
                                                                      1992          1993          1994          1994
                                                                  ------------  ------------  ------------  -------------
                                                                                      (IN THOUSANDS)
<S>                                                               <C>           <C>           <C>           <C>
Statutory federal income tax rate...............................          34%        --   %           34%           34%
State income tax rate, net of federal benefit...................           7         --                7             7
Previous losses not benefitted..................................         (33)        --              (36)          (35)
                                                                          --                          --            --
                                                                                       ---
Income tax rate.................................................           8%        --   %            5%            6%
                                                                          --                          --            --
                                                                          --                          --            --
                                                                                       ---
                                                                                       ---

<CAPTION>
                                                                    APRIL 29,
                                                                      1995
                                                                  -------------
<S>                                                               <C>
Statutory federal income tax rate...............................          34%
State income tax rate, net of federal benefit...................           7
Previous losses not benefitted..................................         (36)
                                                                          --
Income tax rate.................................................           5%
                                                                          --
                                                                          --
</TABLE>

    The major components of the net deferred tax asset are as follows:

<TABLE>
<CAPTION>
                                                                JULY 31,     JULY 30,    APRIL 29,
                                                                  1993         1994        1995
                                                               -----------  -----------  ---------
                                                                         (IN THOUSANDS)
<S>                                                            <C>          <C>          <C>
Deferred tax assets:
  Cumulative temporary differences...........................  $     2,496  $       379  $     471
  Tax credits................................................      --             1,192      1,189
  Net operating loss.........................................        7,634        8,426      8,070
  Restructure reserve........................................        1,105          507        199
                                                               -----------  -----------  ---------
    Total assets.............................................       11,235       10,504      9,929
  Valuation allowance........................................      (10,996)     (10,117)    (9,692)
                                                               -----------  -----------  ---------
  Net deferred income tax asset..............................          239          387        237
                                                               -----------  -----------  ---------
Deferred tax liabilities:
  Capitalized software expenditures..........................          239          387        237
                                                               -----------  -----------  ---------
    Total liabilities........................................          239          387        237
                                                               -----------  -----------  ---------
Total net deferred tax assets................................  $   --       $   --       $  --
                                                               -----------  -----------  ---------
                                                               -----------  -----------  ---------
</TABLE>

                                      F-13
<PAGE>
                                ICOT CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
          (INFORMATION RELATED TO THE NINE MONTHS ENDED APRIL 30, 1994
                        AND APRIL 29, 1995 IS UNAUDITED)

NOTE 7 -- NET INCOME (LOSS) PER SHARE
    Net income  (loss) per  share is  based on  the weighted  average number  of
shares  outstanding of common stock and common stock equivalents (when dilutive)
using the treasury stock method. No common stock equivalents have been  included
in 1993 because the effect would be to decrease the loss per share.

NOTE 8 -- LEASE COMMITMENTS
    Approximate  future  minimum  rental  commitments  under  all  noncancelable
operating leases are as follows:

<TABLE>
<CAPTION>
FISCAL YEAR
- --------------------------------------------------------------------      AS OF
                                                                      JULY 30, 1994
                                                                      --------------
                                                                      (IN THOUSANDS)
<S>                                                                   <C>
1995................................................................    $      843
1996................................................................           501
1997................................................................           273
1998................................................................           273
1999................................................................           273
Thereafter..........................................................           895
                                                                           -------
                                                                             3,058
Less Sublease Income................................................          (425)
                                                                           -------
                                                                        $    2,633
                                                                           -------
                                                                           -------
</TABLE>

    Total rent  expense  for  all operating  leases  amounted  to  approximately
$1,365,000,   $1,308,000,  and  $1,128,000  in   fiscal  1992,  1993  and  1994,
respectively, and $865,000 and $719,000 for the nine months ended April 30, 1994
and April 29, 1995, respectively. Rent expense in fiscal 1992, 1993 and 1994  is
before  sublease income  of $77,000,  $183,000, and  $231,000, respectively, and
$149,000 and $193,000 for the  nine months ending April  30, 1994 and April  29,
1995, respectively.

    The  Company's corporate headquarters is located in San Jose, California. In
May 1994, a mutual release of the rental obligation expiring on December 1, 1995
was executed  for this  two-story building  consisting of  approximately  47,500
square  feet.  Concurrently, a  new  lease was  signed  for only  a single-story
premise of approximately 23,300 square feet of this building. This lease expires
on July 23, 1999.

    The Company has a lease obligation on a research and development facility of
approximately 3,000 square feet located  in Meadow Vista, California. The  lease
expires on August 31, 1995.

    The  Company has a lease obligation through  December 31, 1995 on a facility
in Natick, Massachusetts  consisting of  approximately 21,000  square feet.  The
lease  obligation  on  this facility  was  assumed  in connection  with  a prior
business acquisition.  Subsequently,  due  to  consolidation  of  operations  in
connection  with  the  Company's  restructuring  program  in  fiscal  1993, this
location has  become excess  to  the Company's  current and  anticipated  future
requirements. As of April 29, 1995, all of the excess space at this facility was
subleased  through the  end of  the lease  period. Accordingly,  the Company has
accrued all future rental obligations net  of sublease income for the  remaining
term of the lease.

    The  Company  has a  lease  obligation through  September  29, 2010  for its
wholly-owned subsidiary in  the United  Kingdom on a  building of  approximately
6,400  square feet  located in  Wokingham, England.  In line  with the Company's
restructuring program, ICOT International Limited  closed its operations in  the
fourth  quarter of  fiscal 1993.  During the first  quarter of  fiscal 1995, the
Company

                                      F-14
<PAGE>
                                ICOT CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
          (INFORMATION RELATED TO THE NINE MONTHS ENDED APRIL 30, 1994
                        AND APRIL 29, 1995 IS UNAUDITED)

NOTE 8 -- LEASE COMMITMENTS (CONTINUED)
subleased this facility for a portion  of the lease term. This sublease  expires
September  1995. Accordingly, the Company has  accrued $294,000 to cover partial
rental obligations related to this  facility net of anticipated future  sublease
income.

NOTE 9 -- LITIGATION
    In  November 1993,  an action  was brought  against the  Company for damages
related to  the  use of  the  Company's products.  The  plaintiff filed  a  suit
claiming  repetitive stress  injuries resulting  from the  use of  the Company's
product in the course of employment  with American Airlines from the period  May
1981  through  July 1991.  The plaintiff  alleges  damages in  the amount  of $1
million and punitive damages of $10 million. The Company believes that the claim
is without  merit and  has tendered  defense  of this  action to  its  insurance
carriers.  In the opinion of management, the outcome of this litigation will not
have a  material adverse  effect  on the  Company's  financial position  or  its
results of operations. The Company is not involved in any other litigation.

NOTE 10 -- SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)
    Quarterly information for fiscal 1993, 1994 and 1995.
<TABLE>
<CAPTION>
FISCAL 1993
<S>                                                       <C>          <C>          <C>          <C>
                                                          OCTOBER 24,  JANUARY 30,               JULY 31,
QUARTER ENDED                                                1992         1993      MAY 1, 1993    1993
- --------------------------------------------------------  -----------  -----------  -----------  ---------
                                                               (IN THOUSANDS, EXCEPT PER SHARE DATA)
Net Sales...............................................   $   3,002    $   3,628    $   3,131   $   2,546
Gross Profit............................................         844        1,540        1,382         919
Net Loss................................................   $  (1,998)   $  (1,521)   $    (148)  $  (2,296)
Net Loss Per Share......................................   $   (0.15)   $   (0.12)   $   (0.01)  $   (0.18)

<CAPTION>

FISCAL 1994
                                                          OCTOBER 30,  JANUARY 29,   APRIL 30,   JULY 30,
QUARTER ENDED                                                1993         1994         1994        1994
- --------------------------------------------------------  -----------  -----------  -----------  ---------
                                                               (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                                       <C>          <C>          <C>          <C>
Net Sales...............................................   $   1,955    $   2,012    $   1,870   $   2,400
Gross Profit............................................         904        1,085          888         931
Net Income..............................................   $      47    $     122    $     157   $     177
Net Income Per Share....................................   $    0.00    $    0.01    $    0.01   $    0.01
<CAPTION>

FISCAL 1995
                                                          OCTOBER 29,  JANUARY 28,   APRIL 29,
QUARTER ENDED                                                1994         1995         1995
- --------------------------------------------------------  -----------  -----------  -----------
                                                          (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                                       <C>          <C>          <C>          <C>
Net Sales...............................................   $   3,063    $   2,638    $   3,036
Gross Profit............................................       1,315        1,192        1,169
Net Income..............................................   $     212    $     307    $     441
Net Income Per Share....................................   $    0.02    $    0.03    $    0.04
</TABLE>

NOTE 11 -- ACQUISITION OF AMATI
    On  August 4,  1995, the  Company signed  a revised  definitive agreement to
merge with Amati Communications Corporation ("Amati"), a privately held Mountain
View, California based company, subject to  the approval of the stockholders  of
both  companies and registration of the ICOT  shares to be issued in the merger.
Amati  is  a   development  stage  company   that  develops   telecommunications
transmission  products  utilizing  Discrete  Multi-tone  ("DMT")  technology  to
provide high speed digital video, voice and data transmission over unconditioned
copper wire or coaxial cable . The merger is

                                      F-15
<PAGE>
                                ICOT CORPORATION
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
          (INFORMATION RELATED TO THE NINE MONTHS ENDED APRIL 30, 1994
                        AND APRIL 29, 1995 IS UNAUDITED)

NOTE 11 -- ACQUISITION OF AMATI (CONTINUED)
expected to be  completed in  October 1995. Under  the terms  of the  agreement,
after  the merger,  the shareholders, warrant  and option holders  of Amati will
acquire shares, warrants and options totaling 35% of the fully diluted shares of
ICOT.

   
    Pursuant to the  merger, ICOT  agreed to  lend Amati  $5,000,000 secured  by
Amati's  assets due and payable on  November 30, 1995. The outstanding aggregate
principal amount under the Amati Senior Secured  Notes as of August 4, 1995  was
$2,971,900  ($550,000 as of April 29, 1995).  Interest under the note accrues at
7.91% on the first $750,000 of the  principal amount and at 9% on the  remaining
$2,221,900 of the principal balance.
    

    The  acquisition will be accounted for by the purchase method of accounting,
and accordingly, the purchase price will be allocated to the assets acquired and
the specific liabilities assumed based on the estimated fair values at the  date
of acquisition.

                                      F-16
<PAGE>
                     REPORT OF INDEPENDENT PUBLIC AUDITORS

The Board of Directors and Shareholders
To Amati Communications Corporation:

    We  have  audited the  accompanying balance  sheets of  Amati Communications
Corporation (a development stage company) as of December 31, 1994 and 1993,  and
the  related statements of operations, shareholders' deficit, and cash flows for
each of the three years in the period ended December 31, 1994 and for the period
from incorporation (December  31, 1991)  to December 31,  1994. These  financial
statements   are   the   responsibility  of   the   Company's   management.  Our
responsibility is to express an opinion  on these financial statements based  on
our audits.

    We  conducted  our audits  in  accordance with  generally  accepted auditing
standards. Those standards require that we plan and perform the audit to  obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also  includes
assessing  the  accounting principles  used  and significant  estimates  made by
management, as well as evaluating the overall financial statement  presentation.
We believe that our audits provide a reasonable basis for our opinion.

    In  our opinion, the financial statements  referred to above present fairly,
in all  material  respects,  the  financial  position  of  Amati  Communications
Corporation  (a development stage company) as of December 31, 1994 and 1993, and
the results of its operations and its cash flows for each of the three years  in
the  period  ended  December 31,  1994  and  for the  period  from incorporation
(December 31, 1991) to December 31, 1994, in conformity with generally  accepted
accounting principles.

    The accompanying financial statements have been prepared assuming that Amati
Communications  Corporation  will continue  as a  going  concern. As  more fully
described in  Note 1,  the  Company has  incurred  losses since  inception,  has
negative  working capital, and  will need to obtain  additional funds to sustain
operations in 1995, which raises  substantial doubt about the Company's  ability
to  continue as a going  concern. Management's plans in  regard to these matters
funds are also described in Note 1. The 1994 financial statements do not include
any adjustments that might result from the outcome of this uncertainty.

                                          ERNST & YOUNG LLP

Palo Alto, California
April 14, 1995,
 except for Note 11,
 as to which the date is
 August 4, 1995

                                      F-17
<PAGE>
                        AMATI COMMUNICATIONS CORPORATION
                         (A DEVELOPMENT STAGE COMPANY)
                                 BALANCE SHEETS

                                     ASSETS

   
<TABLE>
<CAPTION>
                                                                                             DECEMBER 31,
                                                                                    ------------------------------
                                                                                         1994            1993
                                                                    JUNE 30, 1995   --------------  --------------
                                                                    --------------
                                                                     (UNAUDITED)
<S>                                                                 <C>             <C>             <C>
Current Assets:
  Cash and cash equivalents.......................................  $        9,600  $      144,800  $      545,800
  Accounts receivable.............................................          20,100         276,000         222,000
  Inventories.....................................................        --                12,000         489,100
  Prepaid expenses................................................          37,900          67,700          42,400
  Deferred Interest Charge........................................        --               300,000        --
                                                                    --------------  --------------  --------------
      Total current assets........................................          67,600         800,500       1,299,300
Property and equipment............................................         474,100         452,500         181,050
Accumulated depreciation..........................................         252,500         186,200          63,750
                                                                    --------------  --------------  --------------
                                                                           221,600         266,300         117,300
Restricted cash and other assets..................................          14,400          51,100           2,600
                                                                    --------------  --------------  --------------
      Total Assets................................................  $      303,600  $    1,117,900  $    1,419,200
                                                                    --------------  --------------  --------------
                                                                    --------------  --------------  --------------

                                      LIABILITIES AND SHAREHOLDERS' DEFICIT
Current liabilities:
  Accounts payable................................................  $    1,193,900  $      645,400  $      772,900
  Accrued payroll and related expenses............................          95,700         113,000          85,000
  Other accrued liabilities.......................................          73,200         185,500          64,700
  Accrued royalties payable.......................................          10,700          12,100         175,800
  Deferred revenue................................................         656,800                         783,600
  Accrued interest payable........................................         108,700         111,900        --
  Notes payable to related party..................................        --              --                31,500
  Convertible notes payable.......................................         645,000       1,790,800         950,000
  Convertible notes payable to related parties....................         100,000         240,100        --
  Notes to ICOT...................................................       2,750,500        --              --
                                                                    --------------  --------------  --------------
      Total current liabilities...................................       5,634,500       3,098,800       2,863,500

Commitments and contingencies

Shareholders' Deficit:
  Preferred stock, no par value:
    Authorized, issued and outstanding -- 250,000 shares in 1994
     and 1993 and 325,000 shares at June 30, 1995.................         375,000        --              --
    Liquidation preference of $1.00 per share                                             --              --
  Common stock, no par value:
    Authorized shares -- 2,000,000
    Issued and outstanding shares -- 482,750 in 1994, 443,750 in
     1993 and 540,083 at June 30, 1995............................         247,000          39,200          10,900
  Deficit accumulated during the development stage................      (5,952,900)      2,020,100      (1,455,200)
                                                                    --------------  --------------  --------------
      Total shareholders' deficit.................................      (5,330,900)     (1,980,900)     (1,444,300)
                                                                    --------------  --------------  --------------
      Total liabilities and shareholders' deficit.................  $      303,600  $    1,117,900  $    1,419,200
                                                                    --------------  --------------  --------------
                                                                    --------------  --------------  --------------
</TABLE>
    

                            See accompanying notes.

                                      F-18
<PAGE>
                        AMATI COMMUNICATIONS CORPORATION
                         (A DEVELOPMENT STAGE COMPANY)

                            STATEMENTS OF OPERATIONS
   
<TABLE>
<CAPTION>
                                                                          DECEMBER 31, 1991       SIX MONTHS ENDED
                                         YEARS ENDED DECEMBER 31,             (DATE OF                JUNE 30,
                                    ----------------------------------     INCORPORATION)      -----------------------
                                       1994        1993        1992     TO DECEMBER 31, 1994      1995         1994
                                    ----------  ----------  ----------  ---------------------  -----------  ----------
                                                                                                     (UNAUDITED)
<S>                                 <C>         <C>         <C>         <C>                    <C>          <C>
Development revenues..............  $1,883,600  $3,320,900  $1,825,200      $   7,029,700      $   128,200  $1,629,600
Product revenues..................   2,977,600     963,700      --              3,941,300           20,000   2,653,300
                                    ----------  ----------  ----------  ---------------------  -----------  ----------
    Total revenues................   4,861,200   4,284,600   1,825,200         10,971,000          148,200   4,282,900
Cost and expenses:
  Cost of development revenues....     873,000     835,000     689,000          2,397,000          --          755,000
  Cost of product revenues........   1,449,900   1,306,700      --              2,756,600          --        1,020,900
  Research and development........   2,199,400   2,356,200   1,129,100          5,684,700        2,260,300     246,200
  General and administrative......   1,075,100     751,100     462,400          2,288,600        1,406,000     937,700
                                    ----------  ----------  ----------  ---------------------  -----------  ----------
    Total costs and expenses......   5,597,400   5,249,000   2,280,500         13,126,900        3,666,300   2,959,800
                                    ----------  ----------  ----------  ---------------------  -----------  ----------
Operating (loss) income...........    (736,200)   (964,400)   (455,300)        (2,155,900)      (3,518,100)  1,323,100
Interest expense and other, net...     228,700      24,900      10,600            264,200          414,700      10,400
                                    ----------  ----------  ----------  ---------------------  -----------  ----------
    Net (loss) income.............  $ (964,900) $ (989,300) $ (465,900)     $  (2,420,100)     $(3,932,300) $1,312,700
                                    ----------  ----------  ----------  ---------------------  -----------  ----------
                                    ----------  ----------  ----------  ---------------------  -----------  ----------
Net (loss) income per share.......  $    (2.24) $    (3.20) $    (1.95)     $       (7.59)     $     (7.80) $     2.67
                                    ----------  ----------  ----------  ---------------------  -----------  ----------
                                    ----------  ----------  ----------  ---------------------  -----------  ----------
Weighted number of common shares
 and common share equivalents.....     430,000     309,000     238,000            319,000          504,400     491,600
                                    ----------  ----------  ----------  ---------------------  -----------  ----------
                                    ----------  ----------  ----------  ---------------------  -----------  ----------

<CAPTION>
                                     DECEMBER 31,
                                         1991
                                       (DATE OF
                                    INCORPORATION)
                                      TO JUNE 30,
                                         1995
                                    ---------------
                                      (UNAUDITED)
<S>                                 <C>
Development revenues..............   $   7,157,900
Product revenues..................       3,961,300
                                    ---------------
    Total revenues................      11,119,200
Cost and expenses:
  Cost of development revenues....       3,152,000
  Cost of product revenues........       2,756,600
  Research and development........       7,945,000
  General and administrative......       3,694,600
                                    ---------------
    Total costs and expenses......      16,793,200
                                    ---------------
Operating (loss) income...........      (5,674,000)
Interest expense and other, net...         678,900
                                    ---------------
    Net (loss) income.............   $  (6,352,900)
                                    ---------------
                                    ---------------
Net (loss) income per share.......   $      (17.57)
                                    ---------------
                                    ---------------
Weighted number of common shares
 and common share equivalents.....         361,500
                                    ---------------
                                    ---------------
</TABLE>
    

                             See accompanying notes

                                      F-19
<PAGE>
                        AMATI COMMUNICATIONS CORPORATION
                         (A DEVELOPMENT STAGE COMPANY)
                      STATEMENTS OF SHAREHOLDERS' DEFICIT

   
<TABLE>
<CAPTION>
                                                        SERIES A CONVERTIBLE
                                                          PREFERRED STOCK         COMMON STOCK                        TOTAL
                                                        --------------------  --------------------  ACCUMULATED   SHAREHOLDERS'
                                                         SHARES     AMOUNT     SHARES     AMOUNT      DEFICIT        DEFICIT
                                                        ---------  ---------  ---------  ---------  ------------  -------------
<S>                                                     <C>        <C>        <C>        <C>        <C>           <C>
Issuance of common stock at inception for cash at
 $0.025 per share.....................................     --      $  --        130,000  $   3,300   $   --        $     3,300
Issuance of common stock at inception in exchange for
 technology rights in February 1992...................     --         --        130,000     --           --            --
Issuance of Series A preferred stock in exchange for
 technology license in January 1992...................    250,000     --         --         --           --            --
Net loss..............................................     --         --         --         --         (465,900)      (465,900)
                                                        ---------  ---------  ---------  ---------  ------------  -------------
Balance at December 31, 1992..........................    250,000     --        260,000      3,300     (465,900)      (462,600)
Issuance of common stock for cash at $0.05 per share
 in October 1993......................................                          105,000      5,200                       5,200
Exercise of options to purchase common stock for cash
 at $0.03 per share in October and November 1993......     --         --         78,750      2,400       --              2,400
Net loss..............................................     --         --         --         --         (989,300)      (989,300)
                                                        ---------  ---------  ---------  ---------  ------------  -------------
Balance at December 31, 1993..........................    250,000     --        443,750     10,900   (1,455,200)    (1,444,300)
Repurchase common stock for cash at $0.05 per share in
 February 1994........................................     --         --        (93,000)    (4,700)      --             (4,700)
Issuance of common stock for cash at $0.25 per share
 in June and July 1994................................     --         --        132,000     33,000       --             33,000
Issuance of preferred warrants with debt..............     --         --         --         --          900,000        400,000
Net loss..............................................     --         --         --         --         (964,900)      (964,900)
                                                        ---------  ---------  ---------  ---------  ------------  -------------
Balance at December 31, 1994..........................    250,000     --        482,750     39,200   (2,020,100)    (1,980,900)
Issuance of Common Stock for services and waiver of
 royalty claims (unaudited)...........................                           28,333    206,250       --            206,250
Exercise of options to purchase common stock
 (unaudited)..........................................     --         --         29,000      1,550       --              1,550
Issuance of preferred stock in exchange for technology
 rights in March 1995 (unaudited).....................     75,000    375,000     --         --           --            375,000
Net loss (unaudited)..................................     --         --         --         --       (3,932,800)    (3,932,800)
                                                        ---------  ---------  ---------  ---------  ------------  -------------
Balance at June 30, 1995 (unaudited)..................    325,000  $ 375,000    540,083  $ 247,000   $(5,952,900)  $(5,330,900)
                                                        ---------  ---------  ---------  ---------  ------------  -------------
                                                        ---------  ---------  ---------  ---------  ------------  -------------
</TABLE>
    

                            See accompanying notes.

                                      F-20
<PAGE>
                        AMATI COMMUNICATIONS CORPORATION
                         (A DEVELOPMENT STAGE COMPANY)

                            STATEMENTS OF CASH FLOWS
   
<TABLE>
<CAPTION>
                                                                            DECEMBER 31, 1991      SIX MONTHS ENDED
                                             YEARS ENDED DECEMBER 31,           (DATE OF               JUNE 30,
                                         ---------------------------------  INCORPORATION) TO  -------------------------
                                            1994        1993       1992     DECEMBER 31, 1994     1995          1994
                                         -----------  ---------  ---------  -----------------  -----------  ------------
                                                                                                      (UNAUDITED)
<S>                                      <C>          <C>        <C>        <C>                <C>          <C>
Operating activities:
Net (loss) Income......................  $  (964,900) $(989,300) $(465,900)   $  (2,420,100)   $(3,932,800) $  1,312,700
Adjustment to reconcile net loss to net
 cash provided by (used in) operations
  Depreciation and amortization........      222,400     88,800     18,200          329,400        366,300        72,400
  Issuance of preferred stock in
   exchange of technology rights.......      --          --         --                             375,000
  (Increase) decrease in assets:
    Accounts receivable................      (54,000)   (31,200)  (190,800)        (276,000)       255,900      (367,800)
    Inventories........................      477,100   (489,100)    --              (12,000)        12,000       470,300
    Prepaid expenses...................      (25,300)   (37,600)    (7,400)         (70,300)        29,800      (141,200)
  Restricted cash and other assets.....      (48,500)    --         --              (48,500)        36,700             0
  Increase (decrease) in liabilities:
    Accounts payable...................     (127,500)   340,400    432,500          645,400        548,500      (363,900)
    Accrued payroll & related
     expenses..........................       28,000     33,800     51,200          113,000        (17,300)       15,700
    Deferred revenue...................     (783,600)   583,600    200,000         --              656,800      (783,600)
    Other accrued liabilities..........      232,700     29,100     35,600          297,400       (115,500)      (47,800)
    Accrued royalties..................     (163,700)   114,700     61,200           12,200         (1,400)      (78,000)
                                         -----------  ---------  ---------  -----------------  -----------  ------------
Net cash provided by (used in)
 operating activities..................   (1,207,300)  (356,800)   134,600       (1,429,500)    (1,786,000)       88,800
                                         -----------  ---------  ---------  -----------------  -----------  ------------
Investing activities:
Capital expenditures...................     (271,400)  (138,700)   (85,700)        (495,800)       (21,600)     (187,500)
                                         -----------  ---------  ---------  -----------------  -----------  ------------
Net cash used in investing
 activities............................     (271,400)  (138,700)   (85,700)        (495,800)       (21,600)     (187,500)
                                         -----------  ---------  ---------  -----------------  -----------  ------------
Financing Activities:
Convertible notes payable..............      840,800    950,000     --            1,790,800     (1,145,800)            0
Convertible notes payable to related
 parties...............................      240,100     --         --              240,100       (140,100)            0
Notes payable to related party.........      (31,500)    31,500     --             --              --            (31,500)
ICOT note..............................      --          --         --                           2,750,500
Net proceeds from sale and repurchase
 of common stock.......................       28,300      7,600      3,300           39,200        207,800        26,500
                                         -----------  ---------  ---------  -----------------  -----------  ------------
Net cash provided by financing
 activities............................    1,077,700    989,100      3,300        2,070,100      1,672,400        (5,000)
                                         -----------  ---------  ---------  -----------------  -----------  ------------
Net increase (decrease) in cash and
 cash equivalents......................     (401,000)   493,600     52,200          144,800       (135,200)     (103,700)
Cash and cash equivalents at beginning
 of period.............................      545,800     52,200     --             --              144,800       545,800
                                         -----------  ---------  ---------  -----------------  -----------  ------------
Cash and cash equivalents at end of
 period................................  $   144,800  $ 545,800  $  52,200    $     144,800    $     9,600  $    442,100
                                         -----------  ---------  ---------  -----------------  -----------  ------------
                                         -----------  ---------  ---------  -----------------  -----------  ------------

<CAPTION>
                                         DECEMBER 31, 1991
                                             (DATE OF
                                         INCORPORATION) TO
                                           JUNE 30, 1995
                                         -----------------
                                            (UNAUDITED)
<S>                                      <C>
Operating activities:
Net (loss) Income......................    $  (6,352,900)
Adjustment to reconcile net loss to net
 cash provided by (used in) operations
  Depreciation and amortization........          695,700
  Issuance of preferred stock in
   exchange of technology rights.......          375,000
  (Increase) decrease in assets:
    Accounts receivable................          (20,100)
    Inventories........................         --
    Prepaid expenses...................          (40,500)
  Restricted cash and other assets.....          (11,800)
  Increase (decrease) in liabilities:
    Accounts payable...................        1,193,900
    Accrued payroll & related
     expenses..........................           95,700
    Deferred revenue...................          656,800
    Other accrued liabilities..........          181,900
    Accrued royalties..................           10,800
                                         -----------------
Net cash provided by (used in)
 operating activities..................       (3,215,500)
                                         -----------------
Investing activities:
Capital expenditures...................         (517,400)
                                         -----------------
Net cash used in investing
 activities............................         (517,400)
                                         -----------------
Financing Activities:
Convertible notes payable..............          645,000
Convertible notes payable to related
 parties...............................          100,000
Notes payable to related party.........         --
ICOT note..............................        2,750,500
Net proceeds from sale and repurchase
 of common stock.......................          247,000
                                         -----------------
Net cash provided by financing
 activities............................        3,742,500
                                         -----------------
Net increase (decrease) in cash and
 cash equivalents......................            9,600
Cash and cash equivalents at beginning
 of period.............................         --
                                         -----------------
Cash and cash equivalents at end of
 period................................    $       9,600
                                         -----------------
                                         -----------------
</TABLE>
    

                            See accompanying notes.

                                      F-21
<PAGE>
                        AMATI COMMUNICATIONS CORPORATION
                         (A DEVELOPMENT STAGE COMPANY)
                         NOTES TO FINANCIAL STATEMENTS
           (INFORMATION FOR THE SIX MONTH PERIODS ENDED JUNE 30, 1995
                        AND JUNE 30, 1994 IS UNAUDITED)

NOTE 1 -- BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
    Amati  Communications Corporation (Amati or the Company) was incorporated on
December 31, 1991  in the state  of California.  To date, the  Company has  been
primarily  supported  through a  series of  research and  development contracts,
which resulted  in the  Company making  technical breakthroughs  and having  its
technology  selected as the U.S. standard  for the Asymmetric Digital Subscriber
Line  (ADSL)  marketplace.  The  Company's  business  is  characterized  by  the
development  and sale  of prototype transceiver  systems that are  used in video
on-demand technical and market trials  of telephone companies around the  world.
The Company is considered to be in the development stage. The trial phase of the
market  is not expected to be completed until 1997. In the meantime, the Company
is investing the proceeds  from the sale of  prototypes into the development  of
custom  integrated  circuits  to  ensure competitive  products  at  the  time of
commercialization of the concept.

    The accompanying financial statements have been prepared on a going  concern
basis.

    The  Company  has  incurred losses  from  inception and  has  an accumulated
deficit of $2,320,100 and $5,952,900 and negative working capital of  $2,598,300
and $5,566,900 at December 31, 1994 and June 30, 1995, respectively.

    Management  believes that it  will be able  to obtain additional  funds as a
result of executing a merger agreement with ICOT Corporation (ICOT) in San Jose,
California. If the Company is unable to execute the plan for a merger with ICOT,
there would be substantial  doubt about the Company's  ability to continue as  a
going concern.

UNAUDITED INTERIM FINANCIAL STATEMENT DATA

    The  unaudited financial statements  for the six months  ended June 30, 1994
and for the six months ended and as  of June 30, 1995 have been prepared on  the
same  basis  as  the  audited  financial  statements,  and  in  the  opinion  of
management, include all adjustments  consisting of normal recurring  adjustments
necessary  for a  fair presentation thereof.  Operating results  for the interim
period are not necessarily  indicative of the results  that may be expected  for
the entire year ending December 31, 1995.

CASH AND CASH EQUIVALENTS

    The  Company  considers all  highly  liquid interest  bearing  deposits with
original maturities of less than 90 days and insignificant interest rate risk to
be cash  equivalents.  The Company  invests  its  excess cash  in  money  market
accounts,  which bear minimal risk and are  available on demand. At December 31,
1994 the Company  had $35,300  invested in  certificates of  deposit, which  are
included  in cash and cash equivalents. At  December 31, 1994 the estimated fair
value of these investments approximated cost, and the amount of gross unrealized
gains were  insignificant.  The  effect of  Statement  of  Financial  Accounting
Standards No. 115 is insignificant.

INVENTORIES

    Inventories  are stated at the lower of cost or market, using standard cost,
which approximates actual cost on a first-in, first-out basis.

PROPERTY AND EQUIPMENT

    Property and equipment are stated at cost. Depreciation and amortization are
computed using the straight-line method over the estimated useful lives  ranging
from three to five years.

                                      F-22
<PAGE>
                        AMATI COMMUNICATIONS CORPORATION
                         (A DEVELOPMENT STAGE COMPANY)
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
           (INFORMATION FOR THE SIX MONTH PERIODS ENDED JUNE 30, 1995
                        AND JUNE 30, 1994 IS UNAUDITED)

NOTE 1 -- BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
REVENUE RECOGNITION

   
    Revenue  from  product sales,  primarily  prototype transceiver  systems, is
recognized at the  time of  shipment. Nonrefundable payments  are recognized  as
revenue  from research, technology  and license agreements  when the Company has
satisfied each related milestones, and no further obligation to perform  related
to the specific milestones exist.
    

NOTE 2 -- RESTRICTED CASH
    As  of December 31, 1994, the Company has restricted cash of $36,300 held by
a trustee to  collateralize a  vendor supply  agreement. In  February 1995,  the
Company  defaulted under terms of the vendor agreement, and the cash held by the
trustee was forfeited to the vendor.

NOTE 3 -- INVENTORIES
    Inventories consist of the following as of:

<TABLE>
<CAPTION>
                                                                                      DECEMBER 31,
                                                                      JUNE 30,   ----------------------
                                                                        1995       1994        1993
                                                                      ---------  ---------  -----------
<S>                                                                   <C>        <C>        <C>
Raw materials.......................................................  $  --      $  12,000  $   271,300
Work-in-process.....................................................     --         --          160,700
Finished goods......................................................     --         --           57,100
                                                                      ---------  ---------  -----------
                                                                      $  --      $  12,000  $   489,100
                                                                      ---------  ---------  -----------
                                                                      ---------  ---------  -----------
</TABLE>

NOTE 4 -- PROPERTY AND EQUIPMENT
    Property and equipment consist of the following as of:

<TABLE>
<CAPTION>
                                                                                      DECEMBER 31,
                                                                    JUNE 30,    ------------------------
                                                                      1995         1994         1993
                                                                   -----------  -----------  -----------
<S>                                                                <C>          <C>          <C>
Machinery and equipment..........................................  $   216,800  $   201,000  $    65,950
Computer equipment and software..................................      256,000      250,100      113,700
Furniture and fixtures...........................................        1,300        1,400        1,400
                                                                   -----------  -----------  -----------
                                                                       474,100      452,500      181,050
Less accumulated depreciation and amortization...................      252,500      186,200       63,750
                                                                   -----------  -----------  -----------
Property and equipment, net......................................  $   221,600  $   266,300  $   117,300
                                                                   -----------  -----------  -----------
                                                                   -----------  -----------  -----------
</TABLE>

NOTE 5 -- OPERATING LEASE COMMITMENTS
    The Company  leases its  facilities  under an  agreement that  provides  for
scheduled  rent increases and expires in 1997. The Company is recognizing rental
expense on a straight-line  basis over the lease  term. The Company also  leases
certain  equipment  under  operating leases.  Rental  expense  was approximately
$238,000, $190,000, $82,000 and  $118,000 in 1994, 1993,  and 1992, and the  six
months  ended  June 30,  1995, respectively.  Minimum future  rental commitments
under operating leases at December 31, 1994 are $191,300, $179,100, and  $51,900
in fiscal 1995, 1996, and 1997, respectively.

NOTE 6 -- LICENSE AGREEMENTS
    Upon  its  formation  in  January 1992,  the  Company  entered  into license
agreements (the "Original Agreements")  with Stanford University and  University
Ventures II, a California limited investment partnership, whereby it was granted
exclusive  worldwide  rights  to core  technology  and was  required  to further
develop commercial applications  and licensed products  in the field  of use  to
maintain these

                                      F-23
<PAGE>
                        AMATI COMMUNICATIONS CORPORATION
                         (A DEVELOPMENT STAGE COMPANY)
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
           (INFORMATION FOR THE SIX MONTH PERIODS ENDED JUNE 30, 1995
                        AND JUNE 30, 1994 IS UNAUDITED)

NOTE 6 -- LICENSE AGREEMENTS (CONTINUED)
   
agreements. In exchange for the Original Agreements, the Company agreed to issue
125,000  shares of Series A convertible preferred stock to each licensor and pay
certain royalties  on  revenues generated  from  the licensed  technology.  Both
agreements  contained antidilution  provisions in  the event  the Company raised
capital from the sale of stock. The  term of the agreements extends to the  last
expiration  date of the licensed patents.  The Company accounted for the license
agreements as a transfer  of nonmonetary assets from  its founders and  recorded
the  license at the transferor's historical cost  basis of zero. On May 1, 1994,
the Stanford  University agreement  was revised  to include  a one-time  fee  of
$250,000 and an annual license maintenance fee of $25,000. The revised agreement
provides  for Stanford University  to receive higher  royalties on the Company's
revenues and provides that Stanford  University's ownership in the Company  will
not  be diluted  below 3%  without a  right of  first refusal  to participate in
future stock issuances, except  in an initial public  offering. The Company  may
terminate the agreement if Amati fails to remedy any conditions causing default,
breach,  or incorrect  reporting under the  terms and conditions  of the license
agreement within thirty days.
    

NOTE 7 -- RESEARCH AND DEVELOPMENT AND LICENSE AGREEMENTS
   
    In April 1992, the Company entered into a research and development agreement
with Northern Telecom Ltd. (NT) to further develop ADSL access technology. Under
the  terms  of  the  agreement,   Amati  recognized  revenue  of   approximately
$3,939,000,   $3,923,000,  and  $875,000   in  fiscal  1994,   1993,  and  1992,
respectively, for accomplishing  certain milestones, including  the delivery  of
nonproduction  ADSL  prototype  units.  Amati  granted  NT  certain  rights  and
interests in the  design of  ADSL units developed  under this  agreement. As  of
December 1994, Amati has no future obligations under the agreement.
    

   
    As  a result  of a  change in the  direction by  NT of  certain ADSL related
business units and a dispute as to  the extent of the rights and interests  that
NT  was entitled  to under  the research and  development agreement,  NT and the
Company entered into a January 1995 Patent and Technology Ownership and  License
Agreement  whereby NT  assigned all rights  and interests in  the technology and
related patents developed under the research and development agreement to Amati.
Simultaneously,  Amati   has   granted   NT   a   nonexclusive,   nonassignable,
nontransferable   license  to   use  the   essential  technology   necessary  to
manufacture, use, lease, or sell products that comply with the ADSL standard. NT
will pay Amati a royalty of 2% based  on net sales of certain products by NT  or
any  of its subsidiaries. In March 1995, Amati issued NT 75,000 shares of Series
A Preferred Stock, fair market value determined by the Board of Directors to  be
$5.00  per share, in exchange  for the execution and  delivery of the Patent and
Technology Ownership and License Agreement. The Company expensed $375,000 in the
six month period  ended June 30,  1995 as the  recovery of this  amount was  not
reasonably assured.
    

NOTE 8 -- SHAREHOLDERS' EQUITY

CONVERTIBLE PREFERRED STOCK

    Each  share of  Series A Preferred  Stock is,  at the option  of the holder,
convertible into  shares of  common stock  on a  one-for-one basis,  subject  to
certain  adjustments for dilution, if any, resulting from future stock issuance.
Additionally, the  preferred  shares  automatically convert  into  common  stock
concurrent with closing of an underwritten public offering of common stock under
the  Securities Act of 1933 in which the Company receives at least $5,000,000 in
gross proceeds and the price per share is at least $5.00 (subject to  adjustment
for a recapitalization or certain other stock adjustments).

                                      F-24
<PAGE>
                        AMATI COMMUNICATIONS CORPORATION
                         (A DEVELOPMENT STAGE COMPANY)
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
           (INFORMATION FOR THE SIX MONTH PERIODS ENDED JUNE 30, 1995
                        AND JUNE 30, 1994 IS UNAUDITED)

NOTE 8 -- SHAREHOLDERS' EQUITY (CONTINUED)
    Series  A  Preferred  shareholders  are  entitled  to  annual  noncumulative
dividends at an annual rate of $.05  per share, before and in preference to  any
dividends  paid in common stock, when and as declared by the Board of Directors.
No dividends have been declared.

    The  Series  A  Preferred  shareholders   are  entitled  to  receive,   upon
liquidation  or merger, a distribution of $1.00  per share plus all declared but
unpaid dividends. Thereafter, the remaining assets  and funds, if any, shall  be
distributed  among the shareholders of the  issued and outstanding common stock.
If, upon  liquidation, the  assets  and funds  distributed  among the  Series  A
Preferred  shareholders  are insufficient  to permit  the entitled  payment, the
entire assets and funds of the Company legally available for distribution  shall
be distributed to Series A Preferred shareholders in proportion to the number of
preferred shares held.

    The  Series A preferred shareholders have  voting rights equal to the common
shares they would own upon conversion.

STOCK OPTIONS

    The Company has  adopted a  stock option  plan (the  "Plan") for  employees,
directors and consultants of the Company. Options, granted under the Plan may be
incentive  stock options or nonqualified stock  options, determined at the Board
of Director's discretion. The options are generally granted at an exercise price
of not less the fair value per share on the date of grant, as determined by  the
Board  of Directors, and become exercisable  pursuant to the applicable terms of
the grant. The term  of any option may  not be greater than  ten years from  the
date of grant.

    Information with respect to the incentive stock option plan is summarized as
follows:

<TABLE>
<CAPTION>
                                                                           OUTSTANDING OPTIONS
                                                          ------------------------------------------------------
                                                          AVAILABLE                                  AGGREGATE
                                                             FOR      NUMBER OF                      EXERCISE
                                                            GRANT       SHARES    PRICE PER SHARE      PRICE
                                                          ----------  ----------  ---------------  -------------
<S>                                                       <C>         <C>         <C>              <C>
Authorized on November 1, 1992..........................     180,000      --            $--        $    --
  Granted...............................................    (152,000)    152,000   $0.025-$0.10            5,750
Balance at December 31, 1992............................      28,000     152,000        $--                5,750
  Granted...............................................     (10,000)     10,000      $0.025               1,688
  Exercised.............................................      --         (78,750)      $0.03              (2,363)
  Canceled..............................................      11,250     (11,250)      $0.03                (338)
                                                          ----------  ----------  ---------------  -------------
Balance at December 31, 1993............................      29,250      72,000        $--                4,737
  Additional shares authorized..........................     400,000      --            $--             --
  Granted...............................................    (112,600)    112,600       $0.25              28,150
  Canceled..............................................      38,125     (38,125)  $0.025-$0.25           (8,938)
                                                          ----------  ----------  ---------------  -------------
Balance at December 31, 1994............................     354,775     146,475        $--        $      23,949
  Granted...............................................    (291,600)    291,600    $0.25-$6.00        1,634,600
  Exercised.............................................      --         (29,000)  $0.025-$0.25           (1,550)
Balance at June 30, 1995................................      63,175     409,075    $0.25-$6.00    $   1,656,999
                                                          ----------  ----------  ---------------  -------------
                                                          ----------  ----------  ---------------  -------------
</TABLE>

    Options  vest over a period  of one and one-half  to four years. At December
31, 1994, 43,500 shares  were vested and  not yet exercised  under the plan.  At
June  30, 1995, 409,075 shares granted under the plan were exercisable at prices
ranging from $0.025 to $6.00 per share.

                                      F-25
<PAGE>
                        AMATI COMMUNICATIONS CORPORATION
                         (A DEVELOPMENT STAGE COMPANY)
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
           (INFORMATION FOR THE SIX MONTH PERIODS ENDED JUNE 30, 1995
                        AND JUNE 30, 1994 IS UNAUDITED)

NOTE 8 -- SHAREHOLDERS' EQUITY (CONTINUED)
COMMON STOCK RESERVED FOR ISSUANCE

    The Company has reserved shares of common stock for the following:

<TABLE>
<CAPTION>
                                                                                DECEMBER 31,  JUNE 30,
                                                                                    1994        1995
                                                                                ------------  ---------
<S>                                                                             <C>           <C>
Exercise under the stock option plan..........................................      501,250     481,750
Conversion of Series A preferred stock........................................      250,000     325,000
Exercise of outstanding warrants to purchase common stock.....................      133,494     133,494
                                                                                ------------  ---------
                                                                                    884,744     940,244
                                                                                ------------  ---------
                                                                                ------------  ---------
</TABLE>

    The Company has issued  120,588 shares of common  stock that are subject  to
repurchase as of December 31, 1994.

NOTE 9 -- CONVERTIBLE NOTES PAYABLE AND WARRANTS
   
    In  October 1993,  the Company  issued convertible  notes payable  (the 1993
notes) in the amount  of $950,000, bearing  interest at 8%  per annum. The  1993
notes  were due  and payable on  September 30,  1994. On December  9th, the note
holders agreed to extend the payment due date to May 1, 1995. As of December 31,
1994, the 1993 notes were in default and payable upon demand. In accordance with
the extension agreement,  upon default, the  Company is required  to secure  the
1993  notes by all  assets of the Company,  including its intellectual property,
and will make all necessary filings to perfect the security interest of the note
holders. In lieu of the current plans for  a merger with ICOT (SEE NOTE 1),  the
note holders have not initiated or enforced the default provisions. In addition,
$525,000  of the 1993 notes were repaid as of June 30, 1995 and $425,000 remains
outstanding as of that date.
    

   
    As part  of the  consideration for  the 1993  notes and  the note  extension
agreement,  the  Company issued  stock purchase  warrants  to the  note holders,
exercisable for the number of shares of Series B preferred stock equal to 75% of
the outstanding  notes divided  by the  actual purchase  price of  the Series  B
preferred stock, when and if issued. The purchase price upon the exercise of the
warrants  will be  the Series B  preferred stock  price when and  if issued. The
warrants are exercisable at any time before October 26, 1996. The value of these
warrants is not  considered material. The  Company recorded additional  interest
expense  charges of $25,000 in 1994 and $50,000 in the six months ended June 30,
1995 related to the value of the warrants issued.
    

   
    In August through December 1994, the Company issued convertible note payable
(the 1994 notes) in the amount of $1,081,000, bearing interest at 12% per annum,
with interest payable each quarter the notes are outstanding. The 1994 notes are
due and payable  upon demand after  six months  from the effective  date of  the
respective  agreements and no later  than one year from  the same date. The note
holders may,  at  their option,  convert  any  amount of  unpaid  principal  and
interest  into Series B preferred stock. The conversion price shall be the price
per share of  the Series B  preferred stock,  when and if  issued. In  addition,
$881,000 of the 1994 Notes were repaid as of June 30, 1995, and $300,000 remains
outstanding as of that date.
    

   
    In connection with the 1994 note, the Company issued stock purchase warrants
to  each note  holder, exercisable  in total  for 120,111  shares, which  is the
number of shares of common stock equal to $1,081,000 divided by actual  purchase
price  of Series  B as and  if issued. The  purchase price upon  exercise of the
warrants will  be  the Series  B  preferred stock  price.  The warrants  may  be
exercised  in whole or in part on July 31, 1999. In accordance with the terms of
the stock  purchase warrant  agreements, if  a loan  default to  the 1994  notes
exists    on   or    before   May    31,   1995,    the   purchase    price   of
    

                                      F-26
<PAGE>
                        AMATI COMMUNICATIONS CORPORATION
                         (A DEVELOPMENT STAGE COMPANY)
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
           (INFORMATION FOR THE SIX MONTH PERIODS ENDED JUNE 30, 1995
                        AND JUNE 30, 1994 IS UNAUDITED)

NOTE 9 -- CONVERTIBLE NOTES PAYABLE AND WARRANTS (CONTINUED)
   
the stock purchase  warrants shall be  adjusted to $6.00  per common share.  The
loan  default exists if the Company has not cured such breach within thirty days
of written notification. The  Company has received a  written notice of  default
for  approximately $240,790 of warrants  that were amended to  be exercised at a
purchase price  of  $6.00 per  share  or  40,137 shares.  The  Company  recorded
additional  interest charges of $750,000 in 1994  and $250,000 in the six months
ended June 30, 1995 related to the value of the warrants issued.
    

NOTE 10 -- INCOME TAXES
    As of December  31, 1994, the  Company had federal  and state net  operating
loss  carryforwards of approximately $2,100,000  and $800,000, respectively. The
Company  also  had  federal  and  state  research  and  development  tax  credit
carryforwards  of  approximately $300,000  and  $100,000, respectively.  The net
operating loss and credit carryforwards  will expire at various dates  beginning
in 1997 through 2009, if not utilized.

    The  utilization of  the net  operating losses and  credits is  subject to a
substantial annual limitation due to the "change of ownership" provisions of the
Internal  Revenue  Code  of  1986  and  similar  state  provisions.  The  annual
limitation  may result  in the  expiration of  net operating  losses and credits
before utilization.

    As of December 31,  1994 and 1993,  the Company had  deferred tax assets  of
approximately  $1,300,000 and $700,000, respectively. The deferred tax asset has
been fully  offset  by  a  valuation  allowance.  The  net  valuation  allowance
increased  by $600,000  during the  year ended  December 31,  1994. Deferred tax
assets relate primarily to net  operating loss carryforwards, research  credits,
and  certain accrued expenses and reserve  that are not currently deductible for
income tax purposes.

NOTE 11 -- SUBSEQUENT EVENT
    On August 4,  1995, the  Company signed  a revised  definitive agreement  to
merge  with  ICOT Corporation.  Under the  terms of  the revised  agreement, the
securities holders of Amati will acquire in the merger 35% of the fully  diluted
common  equivalent shares  of ICOT.  In addition,  following the  closing of the
merger, ICOT  will  issue  options  covering 5%  of  its  fully  diluted  common
equivalent  shares to key employees of Amati. Consummation of the merger remains
subject to the approval of stockholders of both companies.

   
    Under the terms of the revised agreement,  ICOT has agreed to loan to  Amati
up  to $5,000,000  secured by  Amati's assets, due  and payable  on November 30,
1995. As of August 4,  1995, amount advanced to  the Company was $2,971,900,  of
which  the first $750,000  bears interest at 7.91%  and the remaining $2,221,900
bears interest at 9% at an interest rate  of 7.91% on the first $750,000 and  9%
on the balance.
    

                                      F-27
<PAGE>
             ICOT CORPORATION AND AMATI COMMUNICATIONS CORPORATION
               PRO FORMA COMBINED CONDENSED FINANCIAL STATEMENTS
                                  (UNAUDITED)

   
    The  following unaudited pro forma combined financial statements give effect
to the  proposed acquisition  of Amati  by  ICOT under  the purchase  method  of
accounting  as defined  in APB  Opinion No. 16.  The pro  forma combined balance
sheet assumes that the merger took place  on April 29, 1995 and combines  ICOT's
April  29, 1995 balance sheet with Amati's  June 30, 1995 balance sheet. The pro
forma combined statement of operations for  the fiscal year ended July 30,  1994
assumes  that the  merger took  place as  of the  beginning of  fiscal 1994, and
combines ICOT's statement of operations for its fiscal year ended July 30,  1994
with  Amati's operating results for the  comparable twelve month period. The pro
forma combined statement of operations for the nine month period ended April 29,
1995 also assumes that the  merger took place at  the beginning of fiscal  1994,
and  combines the financial statements  of ICOT for the  nine month period ended
April 29, 1995  with Amati's  operating results  for the  comparable nine  month
period.  The  pro forma  combined statements  of operations  do not  include the
effect of any nonrecurring charges directly attributable to the merger.
    

   
    The purchase  price  allocation  reflected in  the  accompanying  pro  forma
combined  financial statements has  been prepared on an  estimated basis, and is
based upon an estimated fair  market value of ICOT's  common stock of $4.25  per
share. The effects resulting from any differences in the final allocation of the
purchase  price are not expected  to have a material  effect on ICOT's financial
statements. However, changes  in the fair  market value of  ICOT's common  stock
through the date of consummation of the Merger will affect the purchase price to
be allocated.
    

    The  accompanying pro forma combined financial  statements should be read in
conjunction with the historical financial  statements and related notes  thereto
for  both ICOT and  Amati, which are included  elsewhere in the Prospectus/Proxy
Statement.

                                      P-1
<PAGE>
             ICOT CORPORATION AND AMATI COMMUNICATIONS CORPORATION
                   PRO FORMA COMBINED CONDENSED BALANCE SHEET
                                 (IN THOUSANDS)
                                  (UNAUDITED)

                                     ASSETS

   
<TABLE>
<CAPTION>
                                                                                   PRO FORMA ADJUSTMENTS
                                                         ICOT AT     AMATI AT   ----------------------------  PRO FORMA
                                                         4/29/95     6/30/95        DR.            CR.         COMBINED
                                                        ----------  ----------  ------------  --------------  ----------
<S>                                                     <C>         <C>         <C>           <C>             <C>
Current Assets:
  Cash and cash equivalents...........................  $      921  $       10        745(i)         (81)(h)  $    1,595
  Short-term investments..............................       4,369      --                        (4,369)(h)      --
  Accounts receivable.................................       1,628          20                                     1,648
  Inventories.........................................       1,061      --                                         1,061
  Other current assets................................       1,537          51                      (550)(h)       1,038
                                                        ----------  ----------                                ----------
    Total current assets..............................       9,516          81                                     5,342
Property and equipment, net...........................         661         222                                       883
Research and development in process...................      --          --         33,398(g)     (33,398)(g)      --
Other assets..........................................         553           1                                       554
                                                        ----------  ----------                                ----------
    Total assets......................................  $   10,730  $      304                                $    6,779
                                                        ----------  ----------                                ----------
                                                        ----------  ----------                                ----------

                                     LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)
Current Liabilities:
  Current maturities of capitalized lease
   obligations........................................  $       15  $   --                                    $       15
  Trade accounts payable..............................         136       1,194                                     1,330
  Accrued expenses....................................       1,093         945         21(a)        (800)(f)       2,817
  Convertible notes payable...........................      --             645                                       645
  Convertible notes payable to related parties........      --           2,851      2,751(a)                         100
                                                        ----------  ----------                                ----------
    Total current liabilities.........................       1,244       5,635                                     4,907
Long-Term Liabilities:
  Capitalized lease obligations, less current
   maturities.........................................           1      --                                             1
  Obligations under lease commitments.................         294      --                                           294
                                                        ----------  ----------                                ----------
    Total liabilities.................................       1,539       5,635                                     5,202
                                                        ----------  ----------                                ----------
Stockholders' Equity (Deficit):
  Preferred Stock --
   Outstanding -- 325,000 Amati shares at June 30,
   1995 and no shares pro forma.......................      --             375        375(e)                      --
  Common Stock --
   Outstanding -- 11,421,827 ICOT shares at April 29,
   1995, 540,083 Amati shares at June 30, 1995 and
   18,210,751 shares pro forma........................      35,479         247        247(e)     (25,784)(e)      61,263
  Accumulated deficit.................................     (26,288)     (5,953)    27,445(e)                     (59,686)
                                                        ----------  ----------                                ----------
    Total Stockholders' equity (deficit)..............       9,191      (5,331)                                    1,577
                                                        ----------  ----------                                ----------
    Total Liabilities and Stockholders' Equity
     (Deficit)........................................  $   10,730  $      304                                $    6,779
                                                        ----------  ----------                                ----------
                                                        ----------  ----------                                ----------
</TABLE>
    

         The accompanying notes are an integral part of this statement.

                                      P-2
<PAGE>
             ICOT CORPORATION AND AMATI COMMUNICATIONS CORPORATION
              PRO FORMA COMBINED CONDENSED STATEMENT OF OPERATIONS
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
                                  (UNAUDITED)

   
<TABLE>
<CAPTION>
                                                                            NINE MONTHS ENDED APRIL 29, 1995
                                                                   ---------------------------------------------------
                                                                   HISTORICAL HISTORICAL     PRO FORMA      PRO FORMA
                                                                     ICOT        AMATI      ADJUSTMENTS     COMBINED
                                                                   ---------  -----------  --------------  -----------
<S>                                                                <C>        <C>          <C>             <C>
Net Sales........................................................  $   8,737   $     717                    $   9,454
Cost of Sales....................................................      5,061         565                        5,626
                                                                   ---------  -----------                  -----------
  Gross margin...................................................      3,676         152                        3,828
                                                                   ---------  -----------                  -----------
Operating Expenses:
  Research and development.......................................      1,281       3,395                        4,676
  Marketing and sales............................................        760         198                          958
  General and administrative.....................................        815         625                        1,440
                                                                   ---------  -----------                  -----------
  Total operating expenses.......................................      2,856       4,218                        7,074
                                                                   ---------  -----------                  -----------
    Income (loss) from operations................................        820      (4,066)                      (3,246)
                                                                   ---------  -----------                  -----------
Other Income (Expense):
  Interest income................................................        198           2          150(b)           50
  Interest expense...............................................         (7)       (157)         (57)(a)        (107)
                                                                   ---------  -----------                  -----------
  Total other income.............................................        191        (155)                         (57)
                                                                   ---------  -----------                  -----------
  Income (loss) before income taxes..............................      1,011      (4,221)                      (3,303)
  Provision for income taxes.....................................         51      --              (51)(c)      --
                                                                   ---------  -----------                  -----------
    Net income (loss)............................................  $     960   $  (4,221)                   $  (3,303)
                                                                   ---------  -----------                  -----------
                                                                   ---------  -----------                  -----------
Net income (loss) per share......................................  $     .08   $   (8.72)                   $    (.21)
                                                                   ---------  -----------                  -----------
                                                                   ---------  -----------                  -----------
Weighted Average Number of Common Shares and Common Share
 Equivalents.....................................................     11,595         484                       15,554
                                                                   ---------  -----------                  -----------
                                                                   ---------  -----------                  -----------
</TABLE>
    

         The accompanying notes are an integral part of this statement.

                                      P-3
<PAGE>
             ICOT CORPORATION AND AMATI COMMUNICATIONS CORPORATION
                   PRO FORMA COMBINED STATEMENT OF OPERATIONS
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
                                  (UNAUDITED)

   
<TABLE>
<CAPTION>
                                                                             FISCAL YEAR ENDED JULY 30, 1994
                                                                   ---------------------------------------------------
                                                                   HISTORICAL HISTORICAL     PRO FORMA      PRO FORMA
                                                                     ICOT        AMATI      ADJUSTMENTS     COMBINED
                                                                   ---------  -----------  --------------  -----------
<S>                                                                <C>        <C>          <C>             <C>
Net sales........................................................  $   8,236   $   6,352                    $  14,588
Cost of sales....................................................      4,428       3,116                        7,544
                                                                   ---------  -----------                  -----------
  Gross margin...................................................      3,808       3,236                        7,044
                                                                   ---------  -----------                  -----------
Operating Expenses:
  Research and development.......................................      1,429       2,132                        3,561
  Marketing and sales............................................        884          37                          921
  General and administrative.....................................      1,177       2,759                        3,936
                                                                   ---------  -----------                  -----------
    Total operating expenses.....................................      3,490       4,928                        8,418
                                                                   ---------  -----------                  -----------
  Income (loss) from operations..................................        318      (1,692)                      (1,374)
                                                                   ---------  -----------                  -----------
Other Income (Expense):
  Interest income................................................        233           3          200(b)           36
  Interest expense...............................................        (21)        (21)                         (42)
                                                                   ---------  -----------                  -----------
    Total other income...........................................        212         (18)                          (6)
                                                                   ---------  -----------                  -----------
  Income (loss) before income taxes..............................        530      (1,710)                      (1,380)
  Provision for income taxes.....................................         27      --              (27)(c)      --
                                                                   ---------  -----------                  -----------
  Net Income (loss)..............................................  $     503   $  (1,710)                   $  (1,380)
                                                                   ---------  -----------                  -----------
                                                                   ---------  -----------                  -----------
  Net Income (loss) per share....................................  $     .04   $   (4.57)                   $    (.09)
                                                                   ---------  -----------                  -----------
                                                                   ---------  -----------                  -----------
Weighted Average Number of Common Shares and Common Share
 Equivalents.....................................................     12,319         374                       16,220
                                                                   ---------  -----------                  -----------
                                                                   ---------  -----------                  -----------
</TABLE>
    

         The accompanying notes are an integral part of this statement.

                                      P-4
<PAGE>
             ICOT CORPORATION AND AMATI COMMUNICATIONS CORPORATION
           NOTES TO PRO FORMA COMBINED CONDENSED FINANCIAL STATEMENTS
                                  (UNAUDITED)

NOTE 1 -- PRO FORMA ADJUSTMENTS
    Certain pro forma adjustments have been  made to the accompanying pro  forma
combined  condensed  balance sheet  and  statements of  operations  as described
below:

(a) Eliminates shareholder  notes payable,  advances from ICOT  and the  related
    interest  expense, and accrued interest for  advances from ICOT that will be
    cancelled as of the date of the merger.

(b) Reflects the reduction of interest income of ICOT as a result of the use  of
    $5,000,000 cash as part of the purchase price of Amati.

(c)  Reflects the reduction of the income  tax provision recorded by ICOT due to
    the losses incurred by Amati during the pro forma periods.

   
(d) The  calculation of  weighted average  common and  common equivalent  shares
    assumes  an exchange ratio  of 4.6126 shares  of ICOT common  stock for each
    share of Amati common stock and 4.6126 shares of ICOT common stock for  each
    share of Amati Series A preferred stock. Common equivalent shares consist of
    dilutive  shares issuable upon  the exercise of  stock options and warrants,
    and have  been excluded  from the  calculation when  their effect  would  be
    anti-dilutive.
    

   
(e)  Reflects the  issuance of (i)  4.0 million  shares of ICOT  common stock in
    exchange for all shares of Amati  common stock and Amati Series A  preferred
    stock based upon an exchange ratio of 4.6126 shares of ICOT common stock for
    each  share of Amati common stock and  4.612 shares of ICOT common stock for
    each share of  Amati Series A  preferred stock at  an estimated fair  market
    value of $4.25 per share of ICOT common stock, and (ii) the issuance of ICOT
    stock  options and warrants for  the purchase of 2.8  million shares of ICOT
    common stock  in  exchange  for  all outstanding  Amati  stock  options  and
    warrants. Also reflects the elimination of Amati's equity accounts.
    

(f)  Total registration  costs associated  with the  Merger are  estimated to be
    approximately $800,000. Registration costs to be incurred by ICOT and  Amati
    in  connection with the  Merger include legal,  accounting and other related
    fees, and have been reflected in the accompanying pro forma balance sheet as
    accrued liabilities.

(g) Reflects the  acquisition of  intangible assets consisting  of research  and
    development  in process  of approximately $33.4  million. The  effect of the
    charge related to research and development in process has not been reflected
    in the pro  forma statements of  operations as it  is a nonrecurring  charge
    directly  attributable to the merger. See Note 2 below for discussion of the
    purchase price allocation.

(h) Reflects the elimination of $5.0 million of advances from ICOT to Amati that
    have been included in the purchase price  (see Note 2). There were no  other
    intercompany transactions between ICOT and Amati.

   
(i)  Reflects the proceeds  from the exercise of  Amati warrants contemplated in
    the Adjustment  Condition  discussed on  page  28 of  this  Prospectus/Proxy
    Statement.  Does  not reflect  the amount  Amati will  record as  a deferred
    interest charge  for the  underlying value  of the  warrants. This  deferred
    charge will be amortized over the debt extension period.
    

NOTE 2 -- PURCHASE PRICE ALLOCATION
   
    ICOT  estimates  that  the  purchase  price  for  the  acquisition  will  be
approximately $31.6 million,  based upon an  assumed fair market  value of  ICOT
common  stock of $4.25 per share on the  date of the Merger, and the issuance of
2.5 million shares  of ICOT common  stock in  exchange for all  shares of  Amati
common stock, 1.5 million shares of ICOT common stock in exchange for all shares
of Amati
    

                                      P-5
<PAGE>
             ICOT CORPORATION AND AMATI COMMUNICATIONS CORPORATION
     NOTES TO PRO FORMA COMBINED CONDENSED FINANCIAL STATEMENTS (CONTINUED)
                                  (UNAUDITED)

NOTE 2 -- PURCHASE PRICE ALLOCATION (CONTINUED)
   
Series  A Preferred Stock, 1.1 million warrants  for the purchase of ICOT common
stock in exchange  for all Amati  warrants for the  purchase of Amati  preferred
stock,  and 1.7 million stock  options for the purchase  of ICOT common stock in
exchange for all Amati stock options for the purchase of Amati common stock. The
estimated purchase  price  also  includes registration  costs  of  $800,000  and
$5,000,000 of total estimated advances from ICOT to Amati prior to completion of
the  Merger  net of  the estimated  proceeds  of $3.1  million from  the assumed
exercise of Amati options and warrants subsequent to the date of acquisition.
    

    Based upon the  balance sheet of  Amati as  of June 30,  1995, after  giving
effect to the Adjustment Condition discussed on page 28 of this Prospectus/Proxy
Statement,  ICOT estimates  that it will  receive approximately  $1.1 million of
tangible assets,  $2.9 million  of liabilities  and intangible  assets of  $33.4
million.  In  connection  with  the estimated  purchase  price  allocation, ICOT
received  an  appraisal   of  the   intangible  assets   which  indicates   that
substantially  all of  the acquired  intangible assets  consist of  research and
development in process.  In the  opinion of  management and  the appraiser,  the
acquired  research and development in process  has not yet reached technological
feasibility and has no alternative future uses and, accordingly, will be charged
to expense by the combined company upon the commencement of combined operations.

                                      P-6
<PAGE>
                                   APPENDIX A

                              AMENDED AND RESTATED

                               AGREEMENT AND PLAN

                          OF REORGANIZATION AND MERGER

                                     AMONG

                               ICOT CORPORATION,

                        AMATI COMMUNICATIONS CORPORATION

                                      AND

                           IA ACQUISITION CORPORATION

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

                                 AUGUST 3, 1995
<PAGE>
                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                              PAGE
                                                                                                            ---------
<S>           <C>                                                                                           <C>
ARTICLE I  DEFINITIONS....................................................................................        A-1
     1.1      Additional Funds............................................................................        A-1
     1.2      Adjustment Condition........................................................................        A-1
     1.3      Affiliates Agreement........................................................................        A-1
     1.4      Amati Common................................................................................        A-1
     1.5      Amati Notes.................................................................................        A-1
     1.6      Amati Options...............................................................................        A-1
     1.7      Amati Plan..................................................................................        A-1
     1.8      Amati Product Revenues......................................................................        A-1
     1.9      Amati Unvested Shares.......................................................................        A-1
     1.10     Applicable Ratio............................................................................        A-2
     1.11     Amati Warrants..............................................................................        A-2
     1.12     Balance Sheet...............................................................................        A-2
     1.13     Balance Sheet Date..........................................................................        A-2
     1.14     Certificate.................................................................................        A-2
     1.15     Certificate Regarding Warrants..............................................................        A-2
     1.16     Closing.....................................................................................        A-2
     1.17     Closing Date................................................................................        A-2
     1.18     Code........................................................................................        A-2
     1.19     Common Stock Equivalents....................................................................        A-2
     1.20     Contract....................................................................................        A-2
     1.21     Corporations Code...........................................................................        A-2
     1.22     Delaware GCL................................................................................        A-2
     1.23     Dissenting Amati Shares.....................................................................        A-2
     1.24     Earlier Agreement...........................................................................        A-2
     1.25     Earn-Out Condition..........................................................................        A-2
     1.26     Escrow Agreement............................................................................        A-2
     1.27     Escrow Holder...............................................................................        A-2
     1.28     Exchange Act................................................................................        A-2
     1.29     Exchange Agent..............................................................................        A-2
     1.30     Holders.....................................................................................        A-3
     1.31     IAAC Common.................................................................................        A-3
     1.32     ICOT Common.................................................................................        A-3
     1.33     Irrevocable Proxies.........................................................................        A-3
     1.34     Merger......................................................................................        A-3
     1.35     Merger Agreement............................................................................        A-3
     1.36     Merger Effective Time.......................................................................        A-3
     1.37     New Amati Financing Amount..................................................................        A-3
     1.38     New Amati Note..............................................................................        A-3
     1.39     New Amati Warrant...........................................................................        A-3
     1.40     1933 Act....................................................................................        A-3
     1.41     Officer-Certified Disclosure Statement......................................................        A-3
     1.42     Amati Performance Options...................................................................        A-3
</TABLE>

                                      A-i
<PAGE>
                         TABLE OF CONTENTS (CONTINUED)
<TABLE>
<CAPTION>
                                                                                                              PAGE
                                                                                                            ---------
<S>           <C>                                                                                           <C>
     1.43     Proxy Statement.............................................................................        A-3
     1.44     Ratio Calculation Date......................................................................        A-3
     1.45     S-4.........................................................................................        A-3
     1.46     SEC.........................................................................................        A-3
     1.47     $750,000 Note...............................................................................        A-3
     1.48     Shareholder Representatives.................................................................        A-3
     1.49     Subsidiary..................................................................................        A-3
     1.50     Substitute Warrant..........................................................................        A-4
     1.51     $2,650,000 Note.............................................................................        A-4
     1.52     Voting Agreement............................................................................        A-4

ARTICLE II  MERGER, CLOSING AND CONVERSION OF SHARES......................................................        A-4
     2.1      Merger......................................................................................        A-4
     2.2      Closing.....................................................................................        A-4
     2.3      Conversion of Shares........................................................................        A-4
     2.4      Amati Options...............................................................................        A-4
     2.5      Amati Warrants..............................................................................        A-5
     2.6      Applicable Ratio............................................................................        A-5
     2.7      Escrow......................................................................................        A-6
     2.8      Exchange of Stock Certificates; Warrants....................................................        A-6
     2.9      Dissenting Amati Shares.....................................................................        A-8
     2.10     Registration on Form S-4....................................................................        A-8
     2.11     Tax Free Reorganization.....................................................................        A-8

ARTICLE III  MUTUAL REPRESENTATIONS AND WARRANTIES........................................................        A-8
     3.1      Organization and Authority..................................................................        A-8
     3.2      Authority Relating to this Agreement; No Violation of Other Instruments.....................        A-9
     3.3      Compliance with Law.........................................................................        A-9
     3.4      Investments in Others.......................................................................        A-9
     3.5      Tax Returns and Payments....................................................................       A-10
     3.6      Absence of Certain Changes or Events........................................................       A-10
     3.7      Inventories.................................................................................       A-11
     3.8      Accounts Receivable.........................................................................       A-11
     3.9      Personal Property...........................................................................       A-11
     3.10     Real Property...............................................................................       A-11
     3.11     Patents, Trademarks, Trade Names and Copyrights.............................................       A-12
     3.12     Warranties..................................................................................       A-12
     3.13     Litigation..................................................................................       A-12
     3.14     Protection of Intangible Property...........................................................       A-12
     3.15     Personnel...................................................................................       A-12
     3.16     Certain Payments............................................................................       A-13
     3.17     Brokers and Finders.........................................................................       A-13
     3.18     Order Backlog...............................................................................       A-13
     3.19     Contracts...................................................................................       A-13
</TABLE>

                                      A-ii
<PAGE>
                         TABLE OF CONTENTS (CONTINUED)
<TABLE>
<CAPTION>
                                                                                                              PAGE
                                                                                                            ---------
<S>           <C>                                                                                           <C>
     3.20     Shareholders and Employees..................................................................       A-13
     3.21     Absence of Environmental Liabilities........................................................       A-14
     3.22     Power of Attorney; Suretyships..............................................................       A-14
     3.23     Business Practices..........................................................................       A-14
     3.24     Proxy Statement and S-4.....................................................................       A-14
     3.25     Accuracy of Documents and Information.......................................................       A-15

ARTICLE IV  REPRESENTATIONS AND WARRANTIES OF AMATI.......................................................       A-15
     4.1      Capitalization..............................................................................       A-15
     4.2      Financial Statements........................................................................       A-16
     4.3      Absence of Undisclosed Liabilities..........................................................       A-16
     4.4      Credit Cards................................................................................       A-16
     4.5      Compliance With Law.........................................................................       A-16
     4.6      Taxes.......................................................................................       A-16
     4.7      Patents, Trademarks and Trade Names.........................................................       A-17
     4.8      Employees...................................................................................       A-17
     4.9      Insurance...................................................................................       A-17
     4.10     Bank Accounts...............................................................................       A-17

ARTICLE V  REPRESENTATIONS AND WARRANTIES OF ICOT AND IAAC................................................       A-17
     5.1      Capitalization..............................................................................       A-17
     5.2      Financial Statements........................................................................       A-17
     5.3      Absence of Undisclosed Liabilities..........................................................       A-18
     5.4      Shares......................................................................................       A-18
     5.5      Exchange Act Reports........................................................................       A-18
     5.6      Activities of IAAC..........................................................................       A-18
     5.7      Patents, Trademarks and Trade Names.........................................................       A-18

ARTICLE VI  CONDITIONS TO THE OBLIGATIONS OF ICOT AND IAAC................................................       A-18
     6.1      Representations and Warranties True at Closing..............................................       A-18
     6.2      Covenants Performed.........................................................................       A-18
     6.3      Certificate.................................................................................       A-18
     6.4      Shareholder Approval........................................................................       A-18
     6.5      Dissenting Amati Shares.....................................................................       A-19
     6.6      Opinion of Counsel to Amati.................................................................       A-19
     6.7      Tax-Free Reorganization.....................................................................       A-19
     6.8      Nasdaq Notification.........................................................................       A-19
     6.9      Affiliates Agreements.......................................................................       A-19
     6.10     Employment Agreement with Dr. Cioffi........................................................       A-19
     6.11     Securities Law Compliance...................................................................       A-19
     6.12     Certain Agreements..........................................................................       A-19
     6.13     Irrevocable Proxies.........................................................................       A-19
     6.14     Resignation of ICOT Director................................................................       A-19
     6.15     Merger Agreement............................................................................       A-19
</TABLE>

                                     A-iii
<PAGE>
                         TABLE OF CONTENTS (CONTINUED)
<TABLE>
<CAPTION>
                                                                                                              PAGE
                                                                                                            ---------
<S>           <C>                                                                                           <C>
     6.16     Material Changes in the Business of Amati Between the Date of this Agreement and the               A-19
               Closing....................................................................................
     6.17     No Action to Prevent Completion.............................................................       A-19
     6.18     Consents....................................................................................       A-20
     6.19     Removal of Restriction on Transfer..........................................................       A-20
     6.20     Credit Cards................................................................................       A-20
     6.21     Escrow Agreement............................................................................       A-20
     6.22     Key Person Insurance........................................................................       A-20
     6.23     Documentation...............................................................................       A-20

ARTICLE VII  CONDITIONS TO THE OBLIGATIONS OF AMATI.......................................................       A-20
     7.1      Representations and Warranties True at Closing..............................................       A-20
     7.2      Covenants Performed.........................................................................       A-20
     7.3      Certificate.................................................................................       A-20
     7.4      Shareholder Approval........................................................................       A-20
     7.5      Opinion of Counsel to ICOT..................................................................       A-20
     7.6      Tax-Free Reorganization.....................................................................       A-20
     7.7      Nasdaq Notification.........................................................................       A-21
     7.8      Board of Directors..........................................................................       A-21
     7.9      Voting Agreements...........................................................................       A-21
     7.10     Merger Agreement............................................................................       A-21
     7.11     Material Changes in the Business of ICOT Between the Date of this Agreement and the                A-21
               Closing....................................................................................
     7.12     No Action to Prevent Completion.............................................................       A-21
     7.13     Consents....................................................................................       A-21
     7.14     Documentation...............................................................................       A-21
     7.15     ICOT Officers...............................................................................       A-21

ARTICLE VIII  PRE-CLOSING COVENANTS.......................................................................       A-21
     8.1      Advice of Changes...........................................................................       A-21
     8.2      Maintenance of Business.....................................................................       A-22
     8.3      Conduct of Business.........................................................................       A-22
     8.4      Shareholder Meetings........................................................................       A-23
     8.5      Proxy Statement.............................................................................       A-23
     8.6      Regulatory Approvals........................................................................       A-23
     8.7      Necessary Consents..........................................................................       A-24
     8.8      Litigation..................................................................................       A-24
     8.9      Due Diligence...............................................................................       A-24
     8.10     Satisfaction of Conditions Precedent........................................................       A-24
     8.11     Affiliates..................................................................................       A-24
     8.12     Regarding Tax Matters.......................................................................       A-24
     8.13     Notification of Customers, Suppliers and Employees..........................................       A-24
     8.14     Additional Funds to Amati; New Amati Note...................................................       A-24
     8.15     New Amati Warrant...........................................................................       A-25
</TABLE>

                                      A-iv
<PAGE>
                         TABLE OF CONTENTS (CONTINUED)
<TABLE>
<CAPTION>
                                                                                                              PAGE
                                                                                                            ---------
<S>           <C>                                                                                           <C>
     8.16     New Amati Financing.........................................................................       A-25
     8.17     Amati Board and Management..................................................................       A-25
     8.18     Issuance of Amati Options and Shares Prior to Merger........................................       A-25

ARTICLE IX  CONFIDENTIALITY COVENANT AND ANNOUNCEMENTS....................................................       A-25
     9.1      Confidentiality.............................................................................       A-25
     9.2      Announcements...............................................................................       A-26

ARTICLE X  INDEMNIFICATION................................................................................       A-26
    10.1      Indemnification Relating to Agreement.......................................................       A-26
    10.2      Indemnification Relating to S-4 and Proxy Statement.........................................       A-26
    10.3      Indemnification by ICOT Relating to S-4 and Proxy Statement.................................       A-26
    10.4      Escrow......................................................................................       A-27
    10.5      Limitation on Indemnification...............................................................       A-27

ARTICLE XI  TERMINATION...................................................................................       A-27
    11.1      Termination by Mutual Agreement.............................................................       A-27
    11.2      Termination by ICOT.........................................................................       A-27
    11.3      Termination by Amati........................................................................       A-27
    11.4      Effect of Termination.......................................................................       A-27

ARTICLE XII  MISCELLANEOUS................................................................................       A-27
    12.1      Expenses....................................................................................       A-27
    12.2      Amendment...................................................................................       A-27
    12.3      Entire Agreement............................................................................       A-27
    12.4      Governing Law...............................................................................       A-28
    12.5      Headings....................................................................................       A-28
    12.6      Mutual Contribution.........................................................................       A-28
    12.7      Notices.....................................................................................       A-28
    12.8      Severability................................................................................       A-29
    12.9      Survival of Representation and Warranties...................................................       A-29
    12.10     Waiver......................................................................................       A-29
    12.11     Assignment..................................................................................       A-29
    12.12     Counterparts................................................................................       A-29
    12.13     Voting Agreements...........................................................................       A-29
    12.14     Irrevocable Proxy...........................................................................       A-29
    12.15     Performance Options.........................................................................       A-29
</TABLE>

                                      A-v
<PAGE>
                    AMENDED AND RESTATED AGREEMENT AND PLAN
                          OF REORGANIZATION AND MERGER
            AMONG ICOT CORPORATION, AMATI COMMUNICATIONS CORPORATION
                         AND IA ACQUISITION CORPORATION

    This  Amended and Restated  Agreement and Plan  of Reorganization and Merger
("Agreement") is made as  of August 3, 1995  among ICOT Corporation, a  Delaware
corporation  ("ICOT"), IA Acquisition Corporation,  a California corporation and
wholly-owned subsidiary of ICOT ("IAAC"), and Amati Communications  Corporation,
a California corporation ("Amati").

                                   BACKGROUND

    A.   The parties desire that IAAC shall  be merged with and into Amati; that
Amati shall  be  the  surviving  corporation and  shall  become  a  wholly-owned
subsidiary  of ICOT; and that each share of  the Common Stock, no par value, and
of the Series A  Preferred Stock, no  par value, of  Amati which is  outstanding
immediately  prior to the effective time of  the merger, other than those shares
which become "dissenting shares"  within the meaning of  Section 1300(b) of  the
California Corporations Code shall be converted, as set forth in this Agreement,
into shares of Common Stock, $.20 par value, of ICOT.

    B.   The parties intend that  the merger constitute a "reorganization" under
Section 368(a)(1)(A), of the Internal Revenue Code of 1986, as amended.

    In consideration of the mutual premises and agreements set forth herein, THE
PARTIES AGREE AS FOLLOWS:

                                   ARTICLE I

                                  DEFINITIONS

    The terms defined in this Article  I shall, for purposes of this  Agreement,
have the meanings specified in this Article I unless the context expressly or by
necessary implication otherwise requires:

    1.1   ADDITIONAL FUNDS.  "Additional Funds" shall have the meaning set forth
in Section 8.14 of this Agreement.

    1.2  ADJUSTMENT CONDITION.   "Adjustment Condition"  shall have the  meaning
set forth in Section 8.16 of this Agreement.

    1.3   AFFILIATES AGREEMENT.   "Affiliates Agreement"  shall have the meaning
set forth in Section 8.11 of this Agreement.

    1.4  AMATI  COMMON.   "Amati Common"  shall mean  the Common  Stock, no  par
value, of Amati.

    1.5  AMATI NOTES.  "Amati Notes" shall have the meaning set forth in Section
4.1 of this Agreement.

    1.6   AMATI OPTIONS.   "Amati Options"  shall have the  meaning set forth in
Section 2.4 of this Agreement.

    1.7  AMATI PLAN.  "Amati Plan"  shall have the meaning set forth in  Section
2.4 of this Agreement.

    1.8   AMATI PRODUCT REVENUES.   "Amati Product Revenues"  shall mean the net
revenues from sales of Amati products  and license revenues (other than  advance
royalties)  from Amati technology for the period  from July 1, 1995 through June
30, 1996 as determined by Arthur Andersen LLP, which such determination shall be
final and binding on the parties.

    1.9  AMATI UNVESTED SHARES.  "Amati Unvested Shares" shall have the  meaning
set forth in Section 4.1 of this Agreement.

                                      A-1
<PAGE>
    1.10  APPLICABLE RATIO.  "Applicable Ratio" shall mean the exchange ratio at
which  each outstanding share of Amati Common Stock and Amati Series A Preferred
Stock (other than Dissenting Amati Shares)  shall be converted at the  Effective
Time.  The Applicable  Ratio shall  be calculated  by the  parties on  the Ratio
Calculation Date in accordance with Section 2.6 (a) and shall be adjusted as  of
the Closing Date in accordance with Section 2.6(b).

    1.11   AMATI WARRANTS.  "Amati Warrants" shall have the meaning set forth in
Section 4.1 of  this Agreement,  and shall include  the "$6  WARRANTS," the  "$9
WARRANTS" and the "FAIR VALUE WARRANTS," as defined in Section 4.1.

    1.12   BALANCE SHEET.   "Balance Sheet" shall have  the meaning set forth in
Section 3.6 of this Agreement.

    1.13  BALANCE SHEET DATE.  "Balance  Sheet Date" shall have the meaning  set
forth in Section 3.6 of this Agreement.

    1.14    CERTIFICATE.   "Certificate"  shall have  the  meaning set  forth in
Section 2.8.3 of this Agreement.

    1.15   CERTIFICATE REGARDING  WARRANTS.   "Certificate  Regarding  Warrants"
shall have the meaning set forth in Section 2.5(c) of this Agreement.

    1.16   CLOSING.  "Closing" shall mean  the delivery by the parties hereto of
the various documents contemplated  by this Agreement  or otherwise required  in
order to consummate the Merger.

    1.17   CLOSING  DATE.  "Closing  Date" shall  have the meaning  set forth in
Section 2.2 of this Agreement.

    1.18   CODE.   "Code"  shall mean  the Internal  Revenue  Code of  1986,  as
amended.

    1.19    COMMON STOCK  EQUIVALENTS.   "Common  Stock Equivalents"  shall mean
common stock  and all  securities  convertible into  or exercisable  for  common
stock.

    1.20  CONTRACT.  "Contract" shall have the meaning set forth in Section 3.19
of this Agreement.

    1.21   CORPORATIONS  CODE.   "Corporations Code"  shall mean  the California
Corporations Code.

    1.22  DELAWARE GCL.  "Delaware  GCL" shall mean the General Corporation  Law
of Delaware.

    1.23   DISSENTING  AMATI SHARES.   "Dissenting Amati Shares"  shall mean all
shares, if any, of the outstanding capital stock of Amati for which  dissenters'
rights shall be perfected under Section 1300 ET SEQ. of the Corporations Code.

    1.24   EARLIER AGREEMENT.  "Earlier  Agreement" shall mean the Agreement and
Plan of Reorganization and Merger among ICOT, Amati and IAAC dated May 15, 1995,
which is being amended and restated by this Agreement.

    1.25  EARN-OUT CONDITION.  "Earn-Out  Condition" shall have the meaning  set
forth in Section 12.15(b) of this Agreement.

    1.26    ESCROW  AGREEMENT.   "Escrow  Agreement"  shall  mean  the Agreement
relating to an escrow of certain shares  of ICOT Common pursuant to Section  2.7
of this Agreement, in the form attached to this Agreement as EXHIBIT A.

    1.27    ESCROW  HOLDER.    "Escrow  Holder"  shall  mean  Chemical  Trust of
California.

    1.28  EXCHANGE ACT.  "Exchange  Act" shall mean the Securities and  Exchange
Act of 1934, as amended.

    1.29   EXCHANGE AGENT.  "Exchange Agent" shall have the meaning set forth in
Section 2.8.1 of this Agreement.

                                      A-2
<PAGE>
    1.30   HOLDERS.   "Holders" shall  mean holders  of Amati  Common and  Amati
Series A Preferred Stock immediately prior to the Merger Effective Time.

    1.31  IAAC COMMON.  "IAAC Common" shall mean the Common Stock, no par value,
of IAAC.

    1.32   ICOT  COMMON.  "ICOT  Common" shall  mean the Common  Stock, $.20 par
value, of ICOT.

    1.33  IRREVOCABLE PROXIES.  "Irrevocable Proxies" shall have the meaning set
forth in Section 12.14 of this Agreement.

    1.34  MERGER.  "Merger" shall mean the merger of IAAC with and into Amati in
accordance with this Agreement, the Merger Agreement and applicable law.

    1.35  MERGER  AGREEMENT.   "Merger Agreement"  shall mean  the agreement  of
merger  among  ICOT,  Amati  and  IAAC,  together  with  the  related  officers'
certificates required by  Section 1103  of the  Corporations Code,  in the  form
attached to this Agreement as EXHIBIT B.

    1.36   MERGER EFFECTIVE TIME.   "Merger Effective Time"  shall mean the time
when the Merger Agreement is filed with  the Secretary of State of the State  of
California and the Merger becomes effective.

    1.37   NEW AMATI FINANCING AMOUNT.   "New Amati Financing Amount" shall have
the meaning set forth in Section 8.16 of this Agreement.

    1.38  NEW AMATI NOTE.  "New Amati Note" shall have the meaning set forth  in
Section 8.14 of this Agreement.

    1.39   NEW  AMATI WARRANT.   "New Amati  Warrant shall have  the meaning set
forth in Section 8.15 of this Agreement.

    1.40   1933 ACT.   "1933  Act" shall  mean the  Securities Act  of 1933,  as
amended, and the rules, regulations and forms thereunder.

    1.41  OFFICER-CERTIFIED DISCLOSURE STATEMENT.  "Officer-Certified Disclosure
Statement"  shall have the meaning  set forth in the  first paragraph of Article
III of this Agreement.

    1.42  AMATI PERFORMANCE OPTIONS.  "Amati Performance Options" shall have the
meaning set forth in Section 8.3.14 of this Agreement.

    1.43   PROXY  STATEMENT.   "Proxy  Statement"  shall mean  the  Joint  Proxy
Statement to be mailed to the stockholders of ICOT and the shareholders of Amati
in connection with the Merger.

    1.44   RATIO CALCULATION  DATE.  "Ratio Calculation  Date" shall mean August
30, 1995, which date shall  also be the record date  for the special meeting  of
Amati shareholders to approve the Merger.

    1.45   S-4.  "S-4"  shall mean the Registration Statement  on Form S-4 to be
filed by ICOT with the SEC in connection with the issuance of ICOT Common  Stock
pursuant to the Merger.

    1.46  SEC.  "SEC" shall mean the Securities and Exchange Commission.

    1.47   $750,000 NOTE.   "$750,000 Note" shall have  the meaning set forth in
Section 8.14 of this Agreement.

    1.48  SHAREHOLDER REPRESENTATIVES.  "Shareholder Representatives" shall mean
the four persons selected by the Board  of Directors of Amati and authorized  by
this  Agreement to act as representatives of the shareholders of Amati under the
Escrow Agreement, and any substitute representatives selected in accordance with
the Escrow Agreement.

    1.49  SUBSIDIARY.   "Subsidiary" shall  mean, with respect  to a  particular
party  hereto, any  corporation or  other organization,  whether incorporated or
unincorporated, of which  at least  a majority  of the  securities or  interests
having   by   the   terms   thereof   ordinary   voting   power   to   elect   a

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majority of the board of directors  or others performing similar functions  with
respect  to such  corporation or  other organization  is directly  or indirectly
owned by such party or by one or more Subsidiaries, or by such party and one  or
more Subsidiaries.

    1.50   SUBSTITUTE WARRANT.  "Substitute  Warrant" shall have the meaning set
forth in Section 2.5(a) of this Agreement.

    1.51  $2,650,000 NOTE.  "$2,650,000  Note" shall have the meaning set  forth
in Section 8.14 of this Agreement.

    1.52  VOTING AGREEMENT.  "Voting Agreement" shall have the meaning set forth
in Section 12.13 of this Agreement.

                                   ARTICLE II

                    MERGER, CLOSING AND CONVERSION OF SHARES

    2.1   MERGER.  Subject to and in accordance with the terms and conditions of
this Agreement and the Merger Agreement, ICOT, IAAC and Amati shall execute  and
file  the  Merger  Agreement  with  the  Secretary  of  State  of  the  State of
California, whereupon  IAAC shall  be merged  with and  into Amati  pursuant  to
Sections 1100 ET SEQ. of the Corporations Code.

    2.2   CLOSING.  The Closing shall take place at the offices of Heller Ehrman
White &  McAuliffe,  525 University  Avenue,  Palo Alto,  California  94301,  on
            ,  1995 at 10:00 a.m.,  or at such other day  and time as ICOT, IAAC
and Amati shall agree (the  "Closing Date") after all  of the conditions to  the
parties'  obligations to consummate the Merger set  forth in Articles VI and VII
of this Agreement have been satisfied or waived.

    2.3  CONVERSION OF SHARES.

    (a) In  accordance with  the Merger  Agreement, each  share of  IAAC  Common
issued  and outstanding immediately prior to  the Effective Time shall by virtue
of the Merger  and without  any action  on the part  of the  holder thereof,  be
converted at and as of the Effective Date, into one share of Amati Common.

    (b)  In accordance with the Merger Agreement, each share of Amati Common and
Amati Series A Preferred Stock issued  and outstanding immediately prior to  the
Merger  Effective Time (except those  shares of Amati Common  and Amati Series A
Preferred Stock which are Dissenting Amati Shares and whose holder and Amati  do
not  thereafter  agree in  writing  should not  be  treated as  Dissenting Amati
Shares), shall, by virtue of  the Merger and without any  action on the part  of
the  holder thereof be converted,  at and as of  the Merger Effective Time, into
the number of shares of  ICOT Common equal to  the Applicable Ratio. Holders  of
Amati  Common and Amati Series A Preferred Stock shall receive only whole shares
of ICOT Common at the Merger Effective Time; in lieu of any fractional share  of
ICOT  Common,  Holders shall  receive  in cash  the  fair market  value  of such
fractional share valuing ICOT Common at the  average of the high and low  prices
of  the ICOT Common on the Nasdaq National Market on the trading day immediately
preceding the Closing Date, as reported in THE WALL STREET JOURNAL.

    2.4  AMATI OPTIONS.  At  the Merger Effective Time, each outstanding  option
to  purchase Amati Common  ("Amati Option") issued under  the Amati's 1992 Stock
Option Plan (the "Amati  Plan") shall thereafter entitle  the holder thereof  to
receive,  that  upon  exercise  thereof  the number  of  shares  of  ICOT Common
determined by  multiplying the  shares of  Amati Common  subject to  such  Amati
Option  at the  Merger Effective  Time by the  Applicable Ratio,  at an exercise
price for each  full share  of ICOT  Common equal  to the  quotient obtained  by
dividing  the exercise price per share of  Amati Common by the Applicable Ratio,
which exercise price  per share  shall be rounded  up to  the nearest  two-place
decimal.  The number of shares of ICOT Common  that may be purchased by a holder
on the exercise of any  Amati Option shall not  include any fractional share  of
ICOT  Common but  shall be rounded  down to the  next lower whole  share of ICOT
Common. ICOT shall assume in full such Amati

                                      A-4
<PAGE>
Options and all of the Amati's other rights and obligations under the Amati Plan
as provided herein. Section 4.1 of the Officer-Certified Disclosure Statement of
Amati contains a list summarizing all Amati Options, including the term and  the
exercise  price of  each. The assumption  of an  Amati Option by  ICOT shall not
terminate or modify (except as required  hereunder) any right of first  refusal,
right  of repurchase, vesting schedule,  or other restriction on transferability
relating to the Amati Option. Continuous employment with Amati shall be credited
to an  optionee for  purposes of  determining the  number of  shares subject  to
exercise,  vesting or  repurchase after  the Merger  Effective Time.  After such
assumption, ICOT shall issue,  upon any partial or  total exercise of any  Amati
Option,  in lieu of shares of Amati Common,  the number of shares of ICOT Common
to which the holder of the Amati Option is entitled pursuant to this  Agreement.
The assumption by ICOT of Amati Options shall not give the holders of such Amati
Options any additional benefits which they did not have immediately prior to the
Merger  Effective Time. Nothing contained in this Section 2.4 shall require ICOT
to offer  or sell  shares of  ICOT Common  upon the  exercise of  Amati  Options
assumed  by ICOT  if, in the  reasonable judgment  of ICOT or  its counsel, such
offer or sale would not  be in accordance with  the applicable federal or  state
securities  laws. ICOT  shall file  with the  SEC within  45 days  following the
Merger Effective Time a  registration statement on Form  S-8 under the 1933  Act
covering  the shares of ICOT Common to  be issued upon exercise of Amati Options
assumed by  ICOT.  ICOT  shall use  its  best  efforts to  qualify  as  soon  as
practicable  after the Merger  Effective Time under  applicable state securities
laws the issuance of such shares of  ICOT Common issuable upon exercise of  such
Amati Options.

    2.5  AMATI WARRANTS.

    (a)  In the Merger,  each Amati Warrant  which has not  been exercised at or
prior to the Merger Effective Time shall be exchanged for a warrant to  purchase
shares  of ICOT Common in the form  attached as Exhibit 2.5 (each, a "Substitute
Warrant"). ICOT shall not  be required to  offer or sell  shares of ICOT  Common
upon  the exercise of Substitute Warrants if, in the reasonable judgment of ICOT
based upon advice of counsel, such offer or sale would not be in accordance with
applicable federal or state securities laws.

    (b) The Substitute  Warrant issued in  exchange for each  $6 Warrant and  $9
Warrant shall be exercisable for a number of shares of ICOT Common determined by
multiplying  the number  of Amati  Common subject to  such Amati  Warrant at the
Merger Effective Time  by the Applicable  Ratio, at an  exercise price for  each
full  share  of ICOT  Common  equal to  the  quotient obtained  by  dividing the
exercise price per share of Amati Common by the Applicable Ratio, which exercise
price per share shall be rounded up to the nearest two-place decimal.

    (c) On the Ratio Calculation Date, Amati shall deliver to ICOT a certificate
signed by the Chairman and  Secretary of Amati showing  the number of shares  of
ICOT  Common to  be issuable  under the Substitute  Warrant for  each Fair Value
Warrant and the exercise price per share of ICOT Common issuable under such Fair
Value Warrant  (the "Certificate  Regarding  Warrants"). ICOT  understands  that
Amati  will calculate the number  of shares to be  issuable under the Substitute
Warrant and exercise  price per share  of ICOT Common  issuable under such  Fair
Value  Warrant on the basis of the average  of the closing prices of ICOT Common
on the Nasdaq National Market, as reported in THE WALL STREET JOURNAL, over  the
five trading days preceding the Ratio Calculation Date; and Amati represents and
warrants  that this method of calculation satisfies  the terms of the Fair Value
Warrants.

    (d) The number of shares of ICOT Common that may be purchased by a holder on
the exercise of any Substitute Warrant shall not include any fractional share of
ICOT Common but  shall be rounded  down to the  next lower whole  share of  ICOT
Common.

    2.6  APPLICABLE RATIO.

    (a)  The Applicable Ratio shall be determined at the Ratio Calculation Date,
and (subject  to adjustment  as of  the Closing  as described  in paragraph  (b)
below)  shall equal  the quotient  obtained by  dividing (i)  6,788,924 less the
aggregate  number   of  shares   of   ICOT  Common   that  are   issuable   upon

                                      A-5
<PAGE>
exercise  of the  Substitute Warrants  being issued  in exchange  for Fair Value
Warrants, by  (ii) the  fully diluted  number of  shares of  Amati Common  Stock
Equivalents  outstanding as of the Ratio Calculation Date (including outstanding
shares of  Amati Common,  Amati  Series A  Preferred  Stock, Amati  Options,  $6
Warrants and $9 Warrants, but excluding Fair Value Warrants).

    (b)  The Applicable Ratio shall be recalculated  as of the Closing using the
denominator specified in paragraph (a) above, but using a numerator equal to (i)
6,788,924 less  (ii) the  aggregate number  of shares  of ICOT  Common that  are
issuable  upon exercise of the Substitute  Warrants being issued in exchange for
Fair Value Warrants, (iii) less the  aggregate number of shares of ICOT  Common,
if  any, being issued pursuant to clause (c)  of Section 8.16, and less (iv) the
whole number closest to a fraction the  numerator of which is (x) $838,000  less
(y) the amount of financing obtained pursuant to Section 8.16, but not more than
$838,000,  and the  denominator of which  is 75%  of the average  of the closing
prices of ICOT Common  on the Nasdaq  National Market, as  reported in THE  WALL
STREET  JOURNAL, over the five trading days ending three trading days before the
date of the Proxy Statement.

    2.7  ESCROW.

    (a) In order to provide indemnification in accordance with Article X of this
Agreement and with the Escrow Agreement, at the Merger Effective Time or as soon
thereafter as possible, a stock  certificate representing 1,050,000 shares  ICOT
Common  shall be delivered to the Escrow  Holder. Such shares shall be allocated
pro rata (rounded down to the nearest whole share) from the whole shares of ICOT
Common issued to each  Holder in conversion  of Amati Common  or Amati Series  A
Preferred Stock pursuant to Section 2.3.

    (b)  The  Shareholder Representatives  have been  selected  by the  Board of
Directors of Amati and, in the event of inability or unwillingness prior to  the
execution  of the Escrow  Agreement of any  such person to  act as a Shareholder
Representative, a  substitute  Shareholder  Representative  shall  be  similarly
selected. All Shareholder Representatives are authorized by this Agreement, as a
specific term and condition of the Merger, to act hereunder and under the Escrow
Agreement  with the  powers and  authority provided  for herein  and therein, as
representatives of the Holders and their successors. Approval of this  Agreement
and  the Merger at  the special shareholders  meeting of Amati  relating to this
Agreement and the Merger shall constitute  approval of the terms and  conditions
of  the Escrow  Agreement and ratification  of the selection  of the Shareholder
Representatives and of  their authority to  act hereunder and  under the  Escrow
Agreement on behalf of the Holders and their successors.

    (c)  Any rights of the  Holders to receive any  shares placed in such escrow
shall in no  circumstances be sold,  assigned or otherwise  transferred by  them
other  than by  will or pursuant  to the  laws of descent  and distribution. Any
dividends or other distributions  paid in respect of  the shares of ICOT  Common
deposited with the Escrow Holder in accordance with this Section 2.7, except for
cash  dividends, shall be paid to the Escrow Holder in accordance with the terms
of the Escrow Agreement. All  certificates representing securities delivered  to
the  Escrow Holder  shall be  accompanied by  separate stock  powers endorsed in
blank by a Shareholder Representative on  behalf of the Holders. Subject to  the
Escrow  Agreement, holders of ICOT Common  shall retain their voting rights with
respect to securities deposited with the  Escrow Holder in accordance with  this
Section  2.7. Holders of ICOT Common may not assign their rights to the property
which is held in the escrow account pursuant to the Escrow Agreement.

    2.8  EXCHANGE OF STOCK CERTIFICATES; WARRANTS.

        2.8.1  Prior  to the Closing  Date, ICOT shall  appoint Chemical  Mellon
    Shareholders  Services, or such other bank or trust company selected by ICOT
    as Amati may approve,  to act as exchange  agent (the "Exchange Agent")  for
    the ICOT Common to be issued in the Merger.

                                      A-6
<PAGE>
        2.8.2  Promptly after the Closing Date, but in no event later than three
    business  days  thereafter,  the  Exchange Agent  shall  make  available for
    exchange in accordance  with this  Section 2.8,  the shares  of ICOT  Common
    issuable  at the Merger Effective Time pursuant to Section 2.3 in conversion
    of outstanding shares  of Amati Common  or Amati Series  A Preferred  Stock,
    subject  to the issuance of a pro rata number of shares into escrow pursuant
    to Section 2.7.

        2.8.3  As soon as practicable after the Closing Date, the Exchange Agent
    shall mail to each holder of record of a stock certificate that, immediately
    prior to the Closing Date, represented outstanding shares of Amati Common or
    Amati Series  A Preferred  Stock (a  "Certificate") whose  shares are  being
    converted  into  ICOT  Common  pursuant  to Section  2.3,  (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 ICOT may reasonably  specify) and (ii) instructions for
    use  in  effecting  the  surrender  of  the  Certificates  in  exchange  for
    certificates  evidencing ICOT  Common. Upon  surrender of  a Certificate for
    cancellation to the Exchange Agent or to  such other agent or agents as  may
    be  appointed  by  ICOT,  together with  such  letter  of  transmittal, duly
    executed, the holder  of such Certificate  shall be entitled  to receive  in
    exchange  therefor (subject  to Section  2.7) the  number of  shares of ICOT
    Common to which the holder of Amati Common or Amati Series A Preferred Stock
    is entitled  pursuant  to Section  2.3  hereof  and is  represented  by  the
    Certificate  so surrendered. The Certificate  so surrendered shall forthwith
    be canceled. In  the event of  a transfer  of ownership of  Amati Common  or
    Amati  Series  A Preferred  Stock  that is  not  registered in  the transfer
    records of Amati, or its transfer agent,  ICOT Common may be delivered to  a
    transferee  if the  Certificate representing such  Amati Common  or Series A
    Preferred Stock is presented  to the Exchange Agent  and accompanied by  all
    documents required to evidence and effect such transfer and to evidence that
    any  applicable stock  transfer taxes have  been paid.  Until surrendered as
    contemplated by this Section 2.8.3, each Certificate shall be deemed at  any
    time  after the  Closing Date  to represent the  right to  receive upon such
    surrender such whole number of shares of ICOT Common as provided by  Section
    2.3 and the provisions of the Delaware GCL.

        2.8.4   No  dividends or distributions  payable to holders  of record of
    ICOT Common after  the Merger  Effective Time, or  cash payable  in lieu  of
    fractional  shares,  shall  be  paid  to  the  holder  of  any unsurrendered
    Certificate until  the  holder  of  the  Certificate  shall  surrender  such
    Certificate.

        2.8.5   All  ICOT Common  delivered upon  the surrender  for exchange of
    shares of Amati Common or Amati Series A Preferred Stock in accordance  with
    the terms hereof shall be deemed to have been delivered in full satisfaction
    of  all  rights  pertaining to  such  shares  of Amati  Common  or  Series A
    Preferred Stock. There shall be no further registration of transfers on  the
    stock  transfer books of Amati or its  transfer agent of the shares of Amati
    Common or Series A Preferred  Stock that were outstanding immediately  prior
    to  the Merger Effective Time. If,  after the Closing Date, Certificates are
    presented for any reason, they shall  be canceled and exchanged as  provided
    in this Section 2.8.7.

        2.8.6   As soon as  practicable after the Closing  Date, ICOT shall make
    available for exchange  in accordance  with this Section  2.8, a  Substitute
    Warrant  for each  Amati Warrant  that has not  been exercised  prior to the
    Merger Effective Time, whereupon such Amati Warrant shall be canceled.  ICOT
    shall  mail to each holder  of record of an Amati  Warrant that has not been
    exercised prior to the  Merger Effective Time, (i)  a letter of  transmittal
    (which  shall specify that delivery shall be  effected, and risk of loss and
    title to the Substitute  Warrant shall pass, only  upon delivery to ICOT  of
    the  Amati Warrant being  exchanged and shall have  such other provisions as
    ICOT may reasonably specify) and (ii) instructions for use in effecting  the
    surrender  of the Amati  Warrant in exchange for  a Substitute Warrant. Upon
    surrender to ICOT of an Amati  Warrant for cancellation, together with  such
    letter of transmittal, duly executed, the holder of such Amati Warrant shall
    be  entitled  to  receive  in  exchange  therefor  a  Substitute  Warrant as
    specified in Section 2.5. The  Amati Warrant so surrendered shall  forthwith
    be canceled. Until surrendered as

                                      A-7
<PAGE>
    contemplated  by this Section  2.8.6, each Amati Warrant  shall be deemed at
    any time after the Closing to represent only the right to receive upon  such
    surrender a Substitute Warrant as provided by Section 2.5.

    2.9  DISSENTING AMATI SHARES.  Holders of Dissenting Amati Shares shall have
those  rights, but  only those rights,  of holders of  "dissenting shares" under
Section 1300 ET  SEQ. of  the Corporations Code.  Amati shall  give ICOT  prompt
notice  of any demand, purported demand or other communication received by Amati
with respect to any Dissenting Amati  Shares or shares claimed to be  Dissenting
Amati  Shares, and ICOT shall have the  right to participate in all negotiations
and proceedings with  respect to  such shares.  Amati agrees  that, without  the
prior  written consent of ICOT,  it shall not voluntarily  make any payment with
respect to,  or  settle or  offer  to settle,  any  demand or  purported  demand
respecting such shares.

    2.10   REGISTRATION ON FORM S-4.   As promptly as practicable after the date
hereof, ICOT and Amati shall prepare and  file with the SEC the Proxy  Statement
and  any other  documents required  by the Exchange  Act in  connection with the
Merger, and ICOT shall prepare and file with the SEC a registration statement on
Form S-4 and any other documents required by the 1933 Act in connection with the
Merger (including, without limitation the filing  of Forms 8-K and 10-C by  ICOT
when appropriate). Each of ICOT and Amati shall use its best efforts to have the
Form  S-4 declared effective under the 1933 Act as promptly as practicable after
such filing. ICOT  shall also take  any action  required to be  taken under  any
applicable  state securities or "blue sky"  laws in connection with the issuance
of the ICOT Common in  the Merger. Amati shall  furnish to ICOT all  information
concerning  Amati and the holders of Amati Common as may be reasonably requested
in connection with  any action contemplated  by this Section  2.11. ICOT  Common
issuable upon exercise of Substitute Warrants shall not be registered.

    2.11   TAX FREE REORGANIZATION.  The  parties intend to adopt this Agreement
as a tax free plan of reorganization and to consummate the Merger in  accordance
with the provisions of Section 368(a)(1)(A) of the Code.

                                  ARTICLE III

                     MUTUAL REPRESENTATIONS AND WARRANTIES

    Each  of ICOT and Amati is a "Company" for the purposes of this Article III.
IAAC is a "Company"  for the purposes  of Sections 3.1  and 3.2. Any  disclosure
delivered  by one Company to another party hereto pursuant to this Article shall
have been delivered on or prior to  the date hereof and certified by an  officer
of  the delivering  Company as true,  accurate and  complete, shall specifically
refer to  this  Agreement and  shall  identify  the Section  of  this  Agreement
requiring  the delivery of such disclosure  (each such disclosure being referred
to herein as an "Officer-Certified  Disclosure Statement"). Except as set  forth
in  an Officer-Certified  Disclosure Statement of  such Company,  ICOT (and, for
purposes of Section 3.1 and 3.2,  IAAC) hereby represents and warrants to  Amati
and Amati hereby represents and warrants to ICOT and IAAC that:

    3.1   ORGANIZATION AND AUTHORITY.  The Company and each of its Subsidiaries:
(i) is a corporation duly organized, validly existing and in good standing under
the laws  of the  jurisdiction  of its  incorporation;  (ii) has  all  necessary
corporate power to own and lease its properties, to carry on its business as now
being  conducted and to enter into and perform this Agreement and all agreements
to which the Company is or will be a party that are exhibits to this  Agreement;
and  (iii) is qualified to do business in all jurisdictions in which the failure
to so qualify would have a material adverse effect on its business or  financial
condition.  The Company  has made  available to  the other  party for inspection
complete and correct copies of its Certificate or Articles of Incorporation,  as
amended,  and Bylaws as in effect on the date hereof and a record of any and all
proceedings and actions at all meetings of, or taken by written consent by,  its
Board of Directors and shareholders, since inception, in each case, certified as
true, complete and correct copies by the Company's Secretary.

                                      A-8
<PAGE>
    3.2     AUTHORITY  RELATING  TO  THIS   AGREEMENT;  NO  VIOLATION  OF  OTHER
INSTRUMENTS.

        3.2.1  The execution and delivery  of this Agreement and all  agreements
    to  which  the Company  is or  will be  a  party that  are exhibits  to this
    Agreement and the performance hereunder  and thereunder by the Company  have
    been  duly authorized by all  necessary corporate action on  the part of the
    Company other than shareholder approval as contemplated by Sections 6.4  and
    7.4  hereof,  and,  assuming  execution of  this  Agreement  and  such other
    agreements by each  of the other  parties thereto, this  Agreement and  such
    other agreements will constitute legal, valid and binding obligations of the
    Company,  enforceable against  the Company  in accordance  with their terms,
    subject as to  enforcement: (i) to  bankruptcy, insolvency,  reorganization,
    arrangement,  moratorium and other laws of general applicability relating to
    or affecting creditors' rights;  and (ii) to  general principles of  equity,
    whether such enforcement is considered in a proceeding in equity or at law.

        3.2.2  Neither the execution of this Agreement or any other agreement to
    which the Company is or will be a party that is an exhibit to this Agreement
    nor the performance of any of them by the Company will: (i) conflict with or
    result  in any  breach or  violation of the  terms of  any decree, judgment,
    order, law or  regulation of  any court or  other governmental  body now  in
    effect  applicable to the Company; (ii) conflict with, or result in, with or
    without the passage of time  or the giving of notice,  any breach of any  of
    the  terms, conditions and  provisions of, or constitute  a default under or
    otherwise give  another party  the  right to  terminate,  or result  in  the
    creation  of any  lien, charge,  or encumbrance  upon any  of the  assets or
    properties of  the  Company pursuant  to,  any indenture,  mortgage,  lease,
    agreement or other instrument to which the Company is a party or by which it
    or  any of its assets  or properties are bound,  including all Contracts (as
    defined in Section 3.19); (iii) permit  the acceleration of the maturity  of
    any  material indebtedness of the Company or  of any other person secured by
    the assets or properties  of the Company; or  (iv) violate or conflict  with
    any  provision of  the Company's  Certificate or  Articles of Incorporation,
    Bylaws, or similar organizational instruments.

        3.2.3  Except as contemplated in Sections 2.4, 2.10, 5.4, 6.4, 6.18, 7.7
    and 7.13 of this Agreement, no consent from any third party and no  consent,
    approval  or authorization of, or  declaration, filing or registration with,
    any government or regulatory authority is required to be made or obtained by
    the Company in  order to permit  the execution, delivery  or performance  of
    this  Agreement or any other agreement to which  the Company is or will be a
    party that  is  an  exhibit  to  this  Agreement  by  the  Company,  or  the
    consummation  of the  transactions contemplated  by this  Agreement and such
    other agreements.

    3.3  COMPLIANCE  WITH LAW.   The Company  holds, all  licenses, permits  and
authorizations  necessary  for  the  lawful conduct  of  the  Company's business
wherever conducted pursuant to all applicable statutes, laws, ordinances,  rules
and  regulations of all  governmental bodies, agencies  and subdivisions having,
asserting or claiming  jurisdiction over  the Company or  over any  part of  the
Company's operations, and the Company knows of no violation thereof. The Company
is  not in violation  of any decree,  judgment, order, law  or regulation of any
court or  other  governmental  body (including  without  limitation,  applicable
environmental protection legislation and regulations, equal employment and civil
rights  regulations, wages, hours  and the payment of  social security taxes and
occupational health  and  safety  legislation), which  violation  could  have  a
material  adverse  effect  on  the condition,  financial  or  otherwise, assets,
liabilities, business or results of operations of the Company.

    3.4  INVESTMENTS IN OTHERS.  Section 3.4 of the Officer-Certified Disclosure
Statement of  the Company  contains  a list  of each  corporation,  association,
partnership,  joint venture  or other entity  in which the  Company, directly or
indirectly, owns  an equity  interest and  sets forth  the Company's  percentage
interest  by voting rights and  by profits, in each  such entity. Except for the
entities identified in such list, the Company  does not conduct any part of  its
business  operations through  any Subsidiaries  or through  any other  entity in
which the Company has an equity investment.

                                      A-9
<PAGE>
    3.5   TAX RETURNS AND PAYMENTS.  All tax returns and reports with respect to
the Company required  by law to  be filed  under the laws  of any  jurisdiction,
domestic  or foreign,  have been duly  and timely  filed and all  taxes, fees or
other governmental charges of any nature  which were required to have been  paid
have  been paid or provided  for. The Company has no  knowledge of any actual or
threatened assessment  of deficiency  or additional  tax or  other  governmental
charge  or a  basis for  such a claim  against the  Company. The  Company has no
knowledge of any tax audit  of the Company by any  taxing or other authority  in
connection  with any of  its fiscal years;  the Company has  no knowledge of any
such audit currently pending or threatened, and there are no tax liens on any of
the properties of the Company.

    3.6  ABSENCE OF  CERTAIN CHANGES OR  EVENTS.  Since  the date (the  "Balance
Sheet  Date") of the most recent balance sheet delivered by the Company pursuant
to Section 4.2  or 5.2,  as the  case may be  (the "Balance  Sheet"), except  as
contemplated  by  this Agreement,  there have  been no  material changes  in the
condition, financial or otherwise, assets, liabilities, business or the  results
of  operations of  the Company,  other than  changes in  the ordinary  course of
business which  in  the aggregate  have  not been  materially  adverse.  Without
limiting  the foregoing, including  the materiality standard,  since the Balance
Sheet Date, except as contemplated by this Agreement:

        (i) the Company has not entered  into any transaction other than in  the
    ordinary course of business;

        (ii)  there have been no material losses  or damage to any of the assets
    or properties of the Company due to  fire or other casualty, whether or  not
    insured;

       (iii)  there has  been no  increase or  decrease in  the rates  of direct
    compensation payable or to  become payable by the  Company to any  employee,
    agent  or  consultant (other  than routine  increases  made in  the ordinary
    course of business or pursuant to a collective bargaining agreement), or any
    bonus,  percentage  compensation,  service  award  or  other  like  benefit,
    granted,  made or accrued to or to the credit of any such employee, agent or
    consultant, or any material welfare, pension, retirement or similar  payment
    or  arrangement made or  agreed to be  made by the  Company (other than such
    events occurring  pursuant  to  any  previously  existing  benefit  plan  or
    collective bargaining agreement);

       (iv)  the Company  has not executed,  created, amended  or terminated any
    contract except in the ordinary course of business;

        (v) the  Company has  not declared  or  paid any  dividend or  made  any
    distribution  on  its capital  stock, nor  redeemed, purchased  or otherwise
    acquired any of its capital stock, nor issued any capital stock, other  than
    under its stock incentive plans identified in Section 4.1 or 5.1;

       (vi)  the  Company  has  not  received  notice  that  there  has  been  a
    cancellation of an order  for its products  or a loss of  a customer of  the
    Company, the cancellation or loss of which would materially adversely affect
    the  condition,  financial or  otherwise,  assets, liabilities,  business or
    results of operations of the Company;

       (vii) there has been no resignation  or termination of employment of  any
    officer  or key employee of the Company and the Company does not know of the
    impending resignation or  termination of  employment of any  officer or  key
    employee of the Company;

      (viii)  there has been no material change in the contingent obligations of
    the  Company  by  way  of  guaranty,  endorsement,  indemnity,  warranty  or
    otherwise;

       (ix)  there have  been no  loans made  by the  Company to  its employees,
    officers or directors, other than travel advances and other advances made in
    the ordinary course of business;

        (x) to the best of the Company's  knowledge there has been no waiver  or
    compromise  by the Company of a material right or of a material debt owed to
    it;

                                      A-10
<PAGE>
       (xi) the Company  has not  made or agreed  to make  any disbursements  or
    payments  of any kind  to any member  or members of  its Board of Directors,
    other than travel advances made in the ordinary course of business;

       (xii) there have been  no capital expenditures  by the Company  exceeding
    Fifty Thousand Dollars ($50,000) in the aggregate;

      (xiii)  there  has  been  no change  in  accounting  methods  or practices
    (including without limitation,  any change in  depreciation or  amortization
    policies or rates) by the Company;

      (xiv) there has been no revaluation by the Company of any of the assets or
    properties of the Company;

       (xv)  there  has  been  no sale  or  transfer  of any  of  the  assets or
    properties of the Company, except in the ordinary course of business;

      (xvi) there has been no loan by the Company to any person or entity;

      (xvii) there has been no commencement or notice of threat of  commencement
    of  any governmental proceeding  against or investigation  of the Company or
    its affairs;

     (xviii) there has  been no revocation  of license or  right to do  business
    granted to the Company;

      (xix)  the  Company  has  not paid  any  obligation  or  liability (fixed,
    contingent or otherwise) or discharged or satisfied any lien, or settled any
    liability, claim, dispute, proceeding, suit or appeal pending or  threatened
    against  it, except for current liabilities  incurred in the ordinary course
    of business; and

       (xx) there has been no  agreement or commitment by  the Company to do  or
    perform any of the acts described in this Section 3.6.

    3.7  INVENTORIES.  The inventories shown on the Balance Sheet of the Company
are  of a  quantity and  quality useable  and saleable  in accordance  with good
business practices  and represent  a distribution  of the  types of  inventories
utilized  in  the  business of  the  Company  in accordance  with  good business
practices. Additions and deletions from the inventories since the Balance  Sheet
Date  have  been in  the  ordinary course  of  business. The  amounts  shown for
inventories on  the  Balance  Sheet  of the  Company  have  been  determined  in
accordance   with  generally  accepted  accounting  principles  on  a  first-in,
first-out basis  and  are  stated  at  lower of  cost  or  market.  All  of  the
inventories  currently held by the Company  were produced in compliance with all
applicable requirements of Sections 6, 7 and 12 of the Fair Labor Standards Act,
as amended, and the  regulations and orders issued  under Section 14 thereof  by
the United States Department of Labor.

    3.8   ACCOUNTS RECEIVABLE.  The accounts  receivable of the Company shown on
the Balance Sheet as of  the Balance Sheet Date,  or thereafter acquired by  the
Company  prior  to the  date hereof,  have been  and  are (as  the case  may be)
collectible within one  hundred twenty (120)  days from the  date of Closing  in
amounts  not less than the aggregate amounts thereof carried on the books of the
Company reduced by the reserves for discounts and bad debts taken on the Balance
Sheet.

    3.9  PERSONAL PROPERTY.  The Company  has good title, free and clear of  all
title  defects,  objections  and liens,  including  without  limitation, leases,
chattel mortgages, conditional sales contracts, collateral security arrangements
and other title  or interest-retaining  arrangements, to all  of its  machinery,
equipment,  furniture, inventory and other personal  property. All of the leases
to personal  property utilized  in the  business of  the Company  are valid  and
enforceable  against the Company and  are not in default  by the Company, or, to
the knowledge of the Company,  are any of the  other parties thereto in  default
thereof.

    3.10   REAL PROPERTY.   The Company does not  own any real property. Section
3.10 of the  Officer-Certified Disclosure  Statement of the  Company contains  a
list of all leases for real property to which the Company is a party, the square
footage   leased  with  respect  to  each  lease  and  the  expiration  date  of

                                      A-11
<PAGE>
each lease. All such leases  are valid and enforceable  and are not in  default.
The  real property  owned, leased or  occupied by the  Company, the improvements
located thereon,  and the  furniture, fixtures  and equipment  relating  thereto
(including  plumbing, heating, air conditioning and electrical systems), conform
to any and all  applicable health, fire, safety,  zoning, land use and  building
laws, ordinances and regulations. There are no outstanding contracts made by the
Company for any improvements made to the real property owned, leased or occupied
by the Company that have not been paid for.

    3.11    PATENTS,  TRADEMARKS,  TRADE NAMES  AND  COPYRIGHTS.    All patents,
trademarks, trade names, copyrights,  processes, designs, formulas,  inventions,
trade  secrets,  know-how,  technology  or other  proprietary  rights  which are
necessary to the conduct of the Company's  business are owned or are useable  by
the  Company. The  conduct of  any business  conducted by  the Company  does not
infringe any patent, trademark,  trade name, copyright,  trade secret, or  other
proprietary  right of  any other  person. No  litigation is  pending or,  to the
knowledge of  the  Company, has  been  threatened  against the  Company  or  any
officer,  director,  shareholder,  employee or  agent  of the  Company,  for the
infringement of any patents, trademarks or trade names of any other party or for
the  misuse  or  misappropriation  of  any  trade  secret,  know-how  or   other
proprietary  right owned by  any other party  nor, to the  best knowledge of the
Company, does any basis exist for such litigation. To the best of the  Company's
knowledge, there has been no infringement or unauthorized use by any other party
of  any  patent, trademark,  trade  name, copyright,  process,  design, formula,
invention,  trade  secret,  know-how,  technology  or  other  proprietary  right
belonging to the Company.

    3.12  WARRANTIES.  The Company has made no warranties or guarantees relating
to  its products other than  as implied or required by  law. Section 3.12 of the
Officer-Certified Disclosure Statement  of the  Company contains a  list of  all
warranty  and indemnification obligations of the Company relating to patents and
other proprietary rights.

    3.13  LITIGATION.  Neither  the Company nor any  officer or director of  the
Company  is a party  to any pending  or, to the  Company's knowledge, threatened
action, suit, proceeding or investigation, at law or in equity or otherwise  in,
for  or by  any court  or other  governmental body  which could  have a material
adverse effect  on:  (i)  the  condition,  financial  or  otherwise,  assets  or
properties of the Company, liabilities, business or results of operations of the
Company;  or (ii) the  transactions contemplated by this  Agreement; nor, to the
Company's knowledge, does any basis exist for any such action, suit,  proceeding
or investigation. The Company is not and has not been subject to any pending or,
to  its knowledge, threatened product liability claim; nor to its knowledge does
any basis exist for any  such claim. The Company is  not subject to any  decree,
judgment, order, law or regulation of any court or other governmental body which
could  have a material adverse effect  on the condition, financial or otherwise,
assets, liabilities, business or results of  operations of the Company or  which
could prevent the transactions contemplated by this Agreement.

    3.14   PROTECTION OF INTANGIBLE PROPERTY.   To the knowledge of the Company,
each employee and consultant who has worked on or contributed to the development
of the  Company's  technology,  trade  secrets  and  other  proprietary  rights,
including  without limitation, the Company's software, firmware or hardware, has
executed a proprietary rights and information agreement in the form attached  to
the Officer-Certified Disclosure Statement. The Company acknowledges that it has
conducted   review  of  its  records  relating  to  all  Company  employees  and
consultants as  the  basis  for  making  the  representation  in  the  preceding
sentence.  The  Company's source  codes and  trade secrets  have not  been used,
distributed or otherwise commercially  exploited under circumstances which  have
caused,  or with the passage of time could cause, the loss of copyright or trade
secret status.

    3.15  PERSONNEL.  Section 3.15 of the Officer-Certified Disclosure Statement
of the Company contains  a list of: (i)  all employment, bonus, profit  sharing,
percentage  compensation, employee  benefit plans,  incentive plans,  pension or
retirement plans,  stock  purchase  and  stock option  plans,  oral  or  written
contracts  or  agreements  with  directors, officers,  employees  or  unions, or
consulting agreements, to which the Company is  a party or is subject as of  the
date  of this  Agreement; and  (ii) all group  insurance programs  in effect for
employees   of   the   Company.   The   Company   is   not   in   default   with

                                      A-12
<PAGE>
respect  to any of the obligations so listed. The Company has delivered complete
and correct copies of all such obligations (to the extent they are in writing or
written descriptions to  the extent  they are oral)  to the  other Company.  The
Company  has no union contracts or collective bargaining agreements with, or any
other obligations to, employee organizations or groups relating to the Company's
business, nor is the Company currently engaged in any labor negotiations  except
in  minor grievances not  involving any employee organization  or group, nor, to
the knowledge  of  the  Company,  is  the  Company  the  subject  of  any  union
organization  affecting its business.  There is no pending  or, to the Company's
knowledge, threatened  labor  dispute, strike  or  work stoppage  affecting  the
Company's business. All plans described in Section 3.15 of the Officer-Certified
Disclosure  Statement are in  full compliance with  applicable provisions of the
Employees Retirement  Income  Security Act  of  1974 ("ERISA")  and  regulations
issued  under ERISA,  and there  is no unfunded  liability with  respect to such
plans. Section 3.15 of the Officer-Certified Disclosure Statement also lists the
amount payable to employees of the Company under other fringe benefit plans.

    3.16   CERTAIN PAYMENTS.   To  the  knowledge of  the Company,  neither  the
Company,  nor  any  shareholder, director,  officer,  employee or  agent  of the
Company, has made or caused to be  made, directly or indirectly, the payment  of
any  consideration  whatsoever  to  any public  official,  candidate  for public
office, political party, or other third  person in connection with the  business
or  operations of the Company, or pertaining to the Company's relations with any
customer, supplier, or creditor, in contravention  of the law of any  applicable
jurisdiction.

    3.17    BROKERS  AND FINDERS.    Neither  the Company  nor  any shareholder,
director, officer, employee  or agent of  the Company has  retained any  broker,
finder  or investment banker in connection with the transactions contemplated by
this Agreement. The Company will indemnify  and hold the other Company  harmless
against  all claims for  brokers', finders' or investment  bankers' fees made or
asserted by any  party claiming  to have  been employed  by the  Company or  any
shareholder,  director, officer, employee or agent  of the Company and all costs
and expenses (including  the reasonable  fees of counsel)  of investigating  and
defending such claims.

    3.18    ORDER BACKLOG.   Section  3.18  of the  Officer-Certified Disclosure
Statement of the Company contains a list of the aggregate backlog of orders  for
the  Company's products as of The Balance  Sheet Date. All such orders have been
or will be filled  by the Company  in the ordinary course  of business, and  the
Company  knows of no reason  why any customer placing  any such order may refuse
delivery of the  ordered products or  fail timely  to pay for  such products  in
accordance with the terms of such orders.

    3.19  CONTRACTS.  Section 3.19 of the Officer-Certified Disclosure Statement
lists  all oral or written agreements, notes, instruments, or contracts to which
the Company is a party or by which  its assets or properties may be bound  which
involve  the payment  or receipt of  more than $10,000  in the case  of Amati or
$100,000 in the case  of ICOT (in either  case, on an annual  basis), or have  a
term  of more  than one  year, or  involve intellectual  property, or  which are
employment or consulting  agreements (the  "Contracts"). The Company  is not  in
default  in performance of its obligations under any such Contracts and there is
no event or condition that,  with the giving of notice  or the passage of  time,
would  constitute such a default. The Company  has no knowledge of any violation
of any Contract by any other party thereto and has no knowledge of any intent by
any other  party  to  a Contract  not  to  perform its  obligations  under  such
Contract.

    3.20   SHAREHOLDERS AND EMPLOYEES.   Except as set  forth in Section 3.20 of
the  Officer-Certificate  Disclosure  Statement,   none  of  the   shareholders,
directors  or management personnel  of the Company  is presently a  party to any
transaction with  the  Company,  including  without  limitation,  any  contract,
agreement  or other arrangement: (i) providing for the furnishing of services to
or by; (ii) providing  for rental of  real or personal property  to or from;  or
(iii)  otherwise  requiring payments  to or  from  any shareholder,  director or
management  personnel,  or  any  member  of  the  family  of  any   shareholder,

                                      A-13
<PAGE>
director  or management personnel  or any corporation, trust  or other entity in
which any  shareholder,  director  or management  personnel  has  a  substantial
interest or is an officer, director, investor or partner.

    3.21    ABSENCE  OF ENVIRONMENTAL  LIABILITIES.    To the  knowledge  of the
Company, neither the Company nor the real property owned, leased or occupied  by
the  Company is  in violation  of any  applicable federal,  state or  local law,
ordinance, regulation or  order relating to  industrial hygiene, worker  safety,
public  health and safety, environmental  protection, or Hazardous Materials (as
defined below) on,  under or about  such real property,  including the soil  and
ground  water underlying such real  property. No current use  of or condition at
the real property owned, leased or occupied by the Company constitutes a  public
or  private nuisance. Any handling, transportation, storage, treatment or use of
Hazardous Material (as  defined below) that  has occurred on  the real  property
owned,  leased  or  occupied  by the  Company  during  the  Company's ownership,
tenancy, or occupancy and prior to the Closing  Date has been and will be as  of
the Closing Date in compliance with all applicable laws, ordinances, regulations
and  orders relating to Hazardous Material.  As used herein, the term "Hazardous
Material" means any substance, material or  waste which is or becomes  regulated
as  "hazardous"  or "toxic"  by  any local  government  authority, the  State of
California, any other state or  the United States Government, including  without
limitation, any material or substance which is: (1) petroleum; (2) asbestos; (3)
defined  as a 'hazardous substance' under Section 25316 of the California Health
and Safety Code,  Division 20, Chapter  6.8 (Carpenter-Presley-Tanner  Hazardous
Substance  Account Act) and any regulations applicable thereunder; (4) listed as
a chemical known  to the  State of California  to cause  cancer or  reproductive
toxicity  pursuant to Section 25249.8 of  the California Health and Safety Code,
Division 20, Chapter 6.6 (Safe Drinking Water and Toxic Enforcement Act of 1986)
and any  regulations  applicable thereunder;  or  (5) defined  as  a  'hazardous
substance'  under Section 101 or Section  102 of the Comprehensive Environmental
Response Compensation and  Liability Act,  42 U.S.C.  Section 9601  et seq.,  as
amended  ("CERCLA"), and any regulations applicable thereunder. To the knowledge
of the Company,  the real  property owned, leased  or occupied  by the  Company,
including  without limitation,  the soil and  groundwater on or  under such real
property, is  free of  any significant  release of  any Hazardous  Material.  No
notification  of release of Hazardous Material pursuant to CERCLA or the federal
Clean Water  Act,  or  any  state  or  local  environmental  law  or  regulatory
requirement has been received by the Company as to any of such real property. To
the  knowledge of the Company, no Hazardous Material generated by the Company or
any of its affiliates  in operating the Company's  business have ever been  sent
directly  or indirectly to any  site listed or formally  proposed for listing on
the National Priority List promulgated pursuant to CERCLA or to any site  listed
on  any  state list  of hazardous  substances  sites requiring  investigation or
clean-up, nor has  the Company  arranged for the  transportation, treatment,  or
disposal  at any site  of any Hazardous  Material. The Company  has not received
from any governmental  authority or  third party any  requests for  information,
notices of claim, demand letters, or other notification that, in connection with
the  conduct  of its  business, it  is  or may  be potentially  responsible with
respect to any investigation or clean-up of Hazardous Material at any site.

    3.22  POWER OF ATTORNEY; SURETYSHIPS.  The Company has no power of  attorney
outstanding,  nor  has  any  obligation or  liability,  either  actual, accrued,
accruing or  contingent, as  guarantor,  surety, cosigner,  endorser,  co-maker,
indemnitor  or  otherwise in  respect  of the  obligation  of any  other person,
corporation, partnership,  joint  venture, association,  organization  or  other
entity.

    3.23   BUSINESS PRACTICES.   The Company has not  made, offered or agreed to
offer anything of value to any government official, political party or candidate
for government office nor has it taken any action which would cause it to be  in
violation of the Foreign Corrupt Practices Act of 1977.

    3.24   PROXY  STATEMENT AND S-4.   None  of the information  relating to the
Company and its Subsidiaries or their respective officers and directors supplied
by the  Company  for  inclusion  or incorporation  by  reference  in  the  Proxy
Statement  or the S-4 will, in the case of the Proxy Statement or any amendments
or supplements thereto, at the  time of the mailing  of the Proxy Statement  and
any  amendments  or supplements  thereto,  and at  the  time of  the  meeting of
shareholders of the Company

                                      A-14
<PAGE>
to vote upon  this Agreement, the  Merger and related  transactions, or, in  the
case  of the S-4, at the time it becomes effective under the 1933 Act and at the
Merger Effective Time, 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  Proxy Statement, insofar  as it  relates to the
Company, will comply as to form in all material respects with the provisions  of
the  Exchange Act. If at  any time prior to the  Merger Effective Time any event
with respect to the Company, its officers or directors should occur which is  or
is  required  to be  described  in an  amendment or  a  supplement to  the Proxy
Statement or the S-4, such event shall  be so described and such description  in
such  amendment or supplement of such information will not contain any statement
which, at the time and in light of the circumstances under which it is made,  is
false  or misleading  with respect  to any  material fact  or omit  to state any
material fact required to be stated therein or in the Proxy Statement or the S-4
or necessary to make the statements therein or in the S-4 or Proxy Statement not
false or misleading.

    3.25  ACCURACY OF DOCUMENTS AND INFORMATION.  The copies of all instruments,
agreements, other documents and written information set forth as, or  referenced
in,  Schedules  or Exhibits  to this  Agreement or  specifically required  to be
furnished pursuant  to this  Agreement  by the  Company  to the  other  Company,
including, without limitation, the Officer-Certified Disclosure Statement of the
Company,  are and  will be  complete and correct  in all  material respects. All
information in the Officer-Certified Disclosure  Statement of the Company is  as
of  the date hereof  or such earlier date  as is specified  therein, which in no
case is before March 31,  1995, and there have been  no material changes in  the
information set forth therein between the date so specified and the date of this
Agreement.  No  representations  or  warranties  made  by  the  Company  in this
Agreement,  nor  any   document,  written   information,  statement,   financial
statement,  certificate,  Schedule or  Exhibit furnished  directly to  the other
Company pursuant  to  this  Agreement or  in  the  Officer-Certified  Disclosure
Statement  of the Company contains  any untrue statement of  a material fact, or
omits to  state  a material  fact  necessary to  make  the statements  or  facts
contained herein not misleading. There is no fact which materially and adversely
affects  the Company, its  financial position, assets,  liabilities, business or
results of operations  known to  the Company which  has not  been expressly  and
fully  set forth in the S-4, the Proxy Statement, this Agreement or the Exhibits
and Schedules hereto  or in  the Officer-Certified Disclosure  Statement of  the
Company.

                                   ARTICLE IV

                    REPRESENTATIONS AND WARRANTIES OF AMATI

    Amati  hereby represents and warrants  to ICOT and IAAC  that, except as set
forth in the Officer-Certified Disclosure Statement of Amati:

    4.1  CAPITALIZATION.   The authorized  capital stock of  Amati is  1,000,000
shares of Preferred Stock, of which 325,000 shares have been designated Series A
Preferred  Stock,  325,000  shares  of which  are  issued  and  outstanding, and
2,000,000 shares  of  Common Stock,  of  which  540,083 shares  are  issued  and
outstanding.  7,064 shares of Common Stock are  subject to a right of repurchase
by Amati at the  purchase price (the "Amati  Unvested Shares"). The  outstanding
shares  of Series A Preferred Stock of Amati are convertible into 325,000 shares
of Amati  Common.  All  such  issued  and  outstanding  shares  have  been  duly
authorized  and validly issued, and are fully paid and non-assessable. Amati has
outstanding options to purchase  364,700 shares of Amati  Common. As of May  15,
1995,  Amati had  outstanding convertible  notes with  the aggregate outstanding
principal of $2,150,899.56, which were convertible into Series B Preferred Stock
in the event Amati issues such stock (the "Amati Notes"). Amati Notes having  an
aggregate  principal  of $750,000  remain  outstanding as  of  the date  of this
Agreement. Amati  also has  outstanding  warrants to  purchase shares  of  Amati
Series  B  Preferred  Stock  or  Amati Common  for  a  total  exercise  price of
$2,150,899.56 (the "Amati Warrants"). Of  the Amati Warrants, warrants having  a
total  exercise price of $240,792.56 are exercisable at $6.00 per share of Amati
Common (the "$6 Warrants"), warrants having  a total exercise price of  $960,107
are  exercisable at  $9.00 per  share of Amati  Common (the  "$9 Warrants"), and
warrants having a total

                                      A-15
<PAGE>
exercise price of $950,000 are exercisable  at a price determined in  accordance
with  the provisions of Section 2.5(c)  (the "Fair Value Warrants"). Section 4.1
of the Officer-Certified Disclosure Statement contains a true and complete  list
of  each Amati Warrant,  including the term  thereof, the name  of the holder of
each thereof, whether each such warrant is a $6 Warrant, a $9 Warrant or a  Fair
Value  Warrant, and  in the  case of the  $6 Warrants  and the  $9 Warrants, the
number of shares of Amati Common issuable upon exercise of each thereof.  Copies
of each of the Amati Notes and Amati Warrants have been provided to ICOT. Except
as  set forth  in the  preceding sentences,  there are  no outstanding warrants,
options, agreements, convertible or exchangeable securities or other commitments
pursuant to which  Amati is or  may become obligated  to issue, sell,  purchase,
retire  or redeem any shares of capital stock or other securities. A list of all
of the holders of securities  of Amati, with the  number of securities owned  by
each as of the date hereof, is contained in Section 4.1 of the Officer-Certified
Disclosure  Statement of Amati.  When delivered in  accordance with Section 2.5,
the Certificate Regarding Warrants shall be deemed to be part of Section 4.1  of
the  Officer-Certified Disclosure Statement. Amati  represents and warrants that
delivery of the Substitute  Warrants pursuant to Section  2.5 of this  Agreement
will  fully satisfy the obligations of Amati  and ICOT with respect to the Amati
Warrants that  have not  been  exercised prior  to  the Closing.  Amati  further
represents  and warrants that the holders of the Amati Notes that have been paid
since May 15, 1995 have no rights to  receive securities of Amati or of ICOT  in
or  after the Merger pursuant to such paid Amati Notes. Amati further represents
and warrants that  the ICOT  Common issued pursuant  to this  Agreement and  the
Merger Agreement will be fairly distributed to Amati securities holders.

    4.2   FINANCIAL STATEMENTS.  Amati  has delivered the following consolidated
financial statements of Amati (the "Amati Financial Statements") to ICOT:

        (i) Unaudited Balance Sheet of Amati as of March 31, 1995;

        (ii) Unaudited Statement of Income of  Amati for the period ended  March
    31, 1995; and

       (iii)  Audited Balance Sheets of Amati dated  as of December 31, 1993 and
    1994, together with audited Statements of Operations and Cash Flows for  the
    three fiscal years ended December 31, 1992, 1993 and 1994.

The Amati Financial Statements together with the notes thereto are in accordance
with  the books and records  of Amati, fairly present  the financial position of
Amati and the results of  operations and cash flows of  Amati as at and for  the
periods  indicated, and have been prepared in accordance with generally accepted
accounting principles consistently applied.

    4.3  ABSENCE OF UNDISCLOSED LIABILITIES.  As of March 31, 1995 Amati had  no
indebtedness  or  liability  (absolute  or contingent)  which  is  not  shown or
provided for in full on the Balance Sheet dated March 31, 1995 included in Amati
Financial Statements. Except as set forth  in the Balance Sheet dated March  31,
1995 included in the Amati Financial Statements, Amati does not have outstanding
on  the  date hereof,  nor will  it have  outstanding on  the Closing  Date, any
indebtedness or liability  (absolute or  contingent) other  than those  incurred
since March 31, 1995 in the ordinary course of business.

    4.4   CREDIT  CARDS.   All Amati credit  cards and  the names  of the people
holding such Amati cards are identified in Section 4.4 of the  Officer-Certified
Disclosure Statement of Amati.

    4.5   COMPLIANCE WITH LAW.   Section 4.5 of the Officer-Certified Disclosure
Statement of Amati contains  a true and complete  list of all licenses,  permits
and authorizations necessary for the lawful conduct of Amati's business wherever
conducted  pursuant  to all  applicable  statutes, laws,  ordinances,  rules and
regulations of  all  governmental  bodies,  agencies  and  subdivisions  having,
asserting  or claiming jurisdiction over  Amati or over any  part of the Amati's
operations.

    4.6  TAXES.   Section 4.6 of the  Officer-Certified Disclosure Statement  of
Amati  contains a true and complete list of  all types of taxes paid or required
to be paid by Amati.

                                      A-16
<PAGE>
    4.7    PATENTS,   TRADEMARKS  AND  TRADE   NAMES.    Section   4.7  of   the
Officer-Certified  Disclosure  Statement  of  Amati sets  forth  a  list  of all
patents, patent applications, trademarks, registered and unregistered, and trade
names, registered and unregistered, of Amati.

    4.8  EMPLOYEES.  Section  4.8 of the Officer-Certified Disclosure  Statement
of Amati contains a list of the names, current salary rates, bonuses paid during
the  last fiscal year, and accrued vacation and sick leave for all the employees
of Amati.

    4.9  INSURANCE.  Section  4.9 of the Officer-Certified Disclosure  Statement
of  Amati contains  a list  of all  insurance policies  and bonds  in force with
respect to Amati showing for each such  policy or bond: (i) the owner; (ii)  the
coverage  of such policy or bond; (iii) the amount of premium properly allocable
to such policy or bond;  (iv) the name of the  insurer; and (v) the  termination
date of the policy or bond. Copies of all such insurance policies and bonds have
been  furnished to ICOT. All such insurance policies and bonds are in full force
and effect.

    4.10   BANK ACCOUNTS.    Section 4.10  of the  Officer-Certified  Disclosure
Statement  of Amati contains a  list of all bank  accounts of Amati, identifying
the name of the bank, the account number, and the authorized signatories to  the
account.

                                   ARTICLE V

                REPRESENTATIONS AND WARRANTIES OF ICOT AND IAAC

    ICOT  and IAAC  hereby represent  and warrant to  Amati that,  except as set
forth in the Officer-Certified Disclosure Statement of ICOT and IAAC:

    5.1  CAPITALIZATION.

    (a) The authorized capital stock of ICOT is 5,000 shares of Preferred Stock,
none of which are issued and outstanding, and 20,000,000 shares of ICOT  Common,
of  which  11,569,077 shares  are issued  and outstanding.  All such  issued and
outstanding shares have been duly authorized  and validly issued, and are  fully
paid  and non-assessable. ICOT has reserved  3,045,000 shares of ICOT Common for
issuance under its Incentive Stock Option Plan, Supplemental Stock Option  Plan,
1990  Stock Option  Plan and  Non-Employee Directors'  Stock Option  Plan, under
which options  to purchase  1,038,925  shares of  ICOT Common  are  outstanding.
Except  as  set  forth  in  the preceding  sentence,  there  are  no outstanding
warrants, options, agreements, convertible  or exchangeable securities or  other
commitments  pursuant to which ICOT  is or may become  obligated to issue, sell,
purchase, retire or redeem any shares of capital stock or other securities.

    (b) The authorized capital stock of IAAC is 1,000,000 shares of IAAC Common,
of  which  1,000  shares  are  issued  and  outstanding.  All  such  issued  and
outstanding shares have been duly authorized, and validly issued, are fully paid
and  non-assessable, and  are held by  ICOT. There are  no outstanding warrants,
options, agreements, convertible or exchangeable securities or other commitments
pursuant to which  IAAC is  or may become  obligated to  issue, sell,  purchase,
retire or redeem any shares of stock or other securities.

    5.2    FINANCIAL  STATEMENTS.   ICOT  has  delivered  the  following audited
consolidated financial statements of ICOT  (the "ICOT Financial Statements")  to
Amati:

        (i) Unaudited Balance Sheet of ICOT as of April 29, 1995;

        (ii)  Unaudited Statement  of Income of  ICOT for the  nine months ended
    April 29, 1995;

       (iii) Audited Balance Sheets of ICOT dated as of July 30, 1993 and  1994,
    together  with  Statements of  Operations and  Cash  Flows during  the three
    fiscal years ended July 30, 1992, 1993 and 1994.

                                      A-17
<PAGE>
The ICOT Financial Statements together with the notes thereto are in  accordance
with  the books and  records of ICOT,  fairly present the  financial position of
ICOT and the  results of operations  and cash flows  of ICOT as  at and for  the
periods  indicated, and have been prepared in accordance with generally accepted
accounting principles consistently applied.

    5.3  ABSENCE OF UNDISCLOSED LIABILITIES.  As of April 29, 1995, ICOT had  no
indebtedness  or  liability  (absolute  or contingent)  which  is  not  shown or
provided for in full on the Balance  Sheet dated April 29, 1995 included in  the
ICOT  Financial Statements. Except as set forth in the Balance Sheet dated April
29, 1995  included  in  the  ICOT  Financial  Statements,  ICOT  does  not  have
outstanding  on the  date hereof,  nor will it  have outstanding  on the Closing
Date, any indebtedness or  liability (absolute or  contingent) other than  those
incurred since April 29, 1995 in the ordinary course of business.

    5.4  SHARES ISSUED IN CONNECTION WITH THE MERGER.  ICOT is requesting in the
Proxy  Statement consent of its stockholders to increase its authorized capital,
and such increase is necessary to complete the Merger. The shares of ICOT Common
to be issued to the  Holders pursuant to the  Merger, when issued in  accordance
with  this Agreement and the Merger  Agreement, will be duly authorized, validly
issued, fully paid and non-assessable. The shares of ICOT Common to be issued to
the holders of Amati  Options upon exercise of  Amati Options after the  Merger,
when  issued upon exercise  of Amati Options in  accordance with this Agreement,
the Merger  Agreement, and  the Amati  Plan, will  be duly  authorized,  validly
issued, fully paid and non-assessable. The shares of ICOT Common to be issued to
the  holders of  Substitute Warrants  upon exercise  of the  Substitute Warrants
after the Merger, when issued upon exercise of Substitute Warrants in accordance
with this Agreement and the Merger  Agreement, will be duly authorized,  validly
issued, fully paid and non-assessable.

    5.5  EXCHANGE ACT REPORTS.  Since January 1, 1990, ICOT has filed within the
time  period permitted all reports required to  be filed under the Exchange Act.
Copies of all such  reports filed since  January 1, 1992  have been provided  to
counsel to Amati.

    5.6   ACTIVITIES OF IAAC.  IAAC  was formed for the purpose of participating
in the  Merger  as  contemplated in  this  Agreement.  IAAC has  carried  on  no
business.

    5.7     PATENTS,   TRADEMARKS  AND  TRADE   NAMES.    Section   5.7  of  the
Officer-Certified Disclosure Statement of ICOT sets forth a list of all patents,
patent applications, trademarks, registered  and unregistered, and trade  names,
registered and unregistered, of ICOT.

                                   ARTICLE VI

                 CONDITIONS TO THE OBLIGATIONS OF ICOT AND IAAC

    The obligations of ICOT and IAAC to consummate the Merger are subject to the
fulfillment,  at or before the Closing of  all the following conditions, any one
or more of which may be waived by ICOT.

    6.1  REPRESENTATIONS AND  WARRANTIES TRUE AT  CLOSING.  The  representations
and warranties of Amati contained in this Agreement shall be deemed to have been
made  again at and as of the Closing with respect to the stated facts (including
the update of the Officer-Certified Disclosure Statement of Amati referred to in
Section 8.1 of this Agreement) then existing  and shall be true in all  material
respects.

    6.2   COVENANTS PERFORMED.  All of  the obligations of Amati to be performed
at or before the Closing pursuant to the terms of this Agreement shall have been
duly performed by Amati.

    6.3  CERTIFICATE.   At the Closing, ICOT  shall have received a  certificate
signed  by an officer  of Amati to the  effect that the  conditions set forth in
Sections 6.1 and 6.2 have been satisfied.

    6.4  SHAREHOLDER APPROVAL.   This Agreement and  the Merger Agreement  shall
have been duly approved by the shareholders of Amati and ICOT, and the increases
in authorized capital necessary to

                                      A-18
<PAGE>
complete  the Merger, as described  in Section 5.4, and  in the number of shares
authorized for issuance under  the ICOT 1990 Stock  Option Plan, as required  to
grant the Performance Options, shall have been duly approved by the stockholders
of ICOT.

    6.5   DISSENTING AMATI  SHARES.  At  least ninety-five percent  (95%) of the
outstanding shares of  Amati Common and  of the Amati  Series A Preferred  shall
have approved this Agreement and the Merger Agreement.

    6.6   OPINION OF COUNSEL TO AMATI.  Gray Cary Ware & Freidenrich, counsel to
Amati, shall have issued an opinion in  favor of ICOT in a form mutually  agreed
to by counsel to ICOT and counsel to Amati.

    6.7   TAX-FREE REORGANIZATION.  ICOT shall  have received the opinion of its
counsel to the effect that the Merger will constitute a tax-free  reorganization
within  the  meaning of  Section  368(a) of  the  Code, which  opinion  shall be
substantially similar to the opinion delivered to Amati pursuant to Section 7.6.
In preparing  the  tax  opinion,  counsel  may rely  upon  (and  to  the  extent
reasonably  required, the parties shall make and use their best efforts to cause
their directors and  shareholders to make)  reasonable representations  relating
thereto.

    6.8   NASDAQ  NOTIFICATION.   ICOT shall  have notified  the Nasdaq National
Market of the proposed issuance of ICOT  Common pursuant to the Merger and  upon
exercise  of the Amati Options  assumed by ICOT pursuant  to the Merger and upon
exercise of the Substitute Warrants.

    6.9  AFFILIATES AGREEMENTS.  Each Amati "affiliate" (as such term is defined
in Section 8.11) shall  have executed and delivered  an Affiliates Agreement  to
ICOT.

    6.10    EMPLOYMENT  AGREEMENT WITH  DR.  CIOFFI.   The  employment agreement
entered into between Amati and John M. Cioffi dated May 5, 1995 shall remain  in
full  force and  effect and shall  have been  assigned to ICOT  effective at the
Merger Effective Time.

    6.11  SECURITIES LAW COMPLIANCE.  ICOT shall be satisfied that the  issuance
of  the ICOT Common  and the Substitute  Warrants in connection  with the Merger
complies with federal and state securities laws.

    6.12  CERTAIN AGREEMENTS.  Each  of (a) the Patent and Technology  Ownership
and License Agreement by and between Amati and Northern Telecom Limited dated as
of  January 1, 1995, (b) the Acknowledgement  Agreement by and between Amati and
the Board of  Directors of  the Leland Stanford  Junior University  ("Stanford")
dated  May 4, 1995, and (c) the  Waiver and Acknowledgement by and between Amati
and University Ventures II  dated May 1,  1995, shall remain  in full force  and
effect  and, if affected by  this Agreement, shall have  been reconfirmed by the
parties thereto.

    6.13  IRREVOCABLE  PROXIES.  The  Irrevocable Proxies shall  remain in  full
force and effect as of the Closing Date.

    6.14    RESIGNATION  OF  ICOT  DIRECTOR.    ICOT  shall  have  received  the
resignation of William D.  Witter from the Board  of Directors, effective as  of
the Merger Effective Time.

    6.15  MERGER AGREEMENT.  The Merger Agreement shall have been filed with the
Secretary of State of the State of California.

    6.16   MATERIAL CHANGES  IN THE BUSINESS  OF AMATI BETWEEN  THE DATE OF THIS
AGREEMENT AND THE CLOSING.  There shall have been no material adverse change  in
the  financial position, results of  operations, assets, liabilities or business
of Amati between the date of this Agreement and the Closing.

    6.17  NO ACTION TO PREVENT COMPLETION.   ICOT shall not have determined,  in
the reasonable exercise of its discretion, that the transactions contemplated by
this  Agreement  have  become  inadvisable  or  impractical  by  reason  of  the
institution or threat  of institution  of litigation or  other proceedings  with
respect to or affecting the transactions contemplated by this Agreement.

                                      A-19
<PAGE>
    6.18   CONSENTS.  Each of ICOT and  Amati shall have received in writing all
consents, approvals, and waivers required in connection with the Merger (a) from
parties to the agreements, indentures, mortgages, franchises, licenses, permits,
leases, and other instruments set forth in Section 6.18 of the Officer-Certified
Disclosure  Statement  of  ICOT  and  Amati,  respectively,  and  (b)  from  all
governmental authorities.

    6.19   REMOVAL  OF RESTRICTION  ON TRANSFER.   Amati shall  have received an
order from the Commissioner of Corporations of the State of California  removing
the  restriction on transfer imposed pursuant  to Section 260.141.10 of Title 10
of the California  Code of  Regulations with respect  to those  shares of  Amati
Common subject to such restriction.

    6.20   CREDIT CARDS.  To the extent  that ICOT shall have so requested prior
to the Merger Effective Time, the credit  cards listed or required to be  listed
on Section 4.4 of the Officer-Certified Disclosure Statement of Amati shall have
been delivered to ICOT.

    6.21   ESCROW AGREEMENT.   The Escrow Agreement shall  have been executed by
the Shareholder Representatives and the Escrow Holder.

    6.22  KEY PERSON INSURANCE.  A key person life insurance policy on the  life
of  John M.  Cioffi in  a mutually  agreed to  amount of  between $3,000,000 and
$5,000,000, with proceeds payable to ICOT, shall be in effect.

    6.23  DOCUMENTATION.   All actions,  proceedings, instruments,  resolutions,
certificates,  and documents  reasonably requested  by ICOT  to be  executed and
delivered to ICOT in  order to carry  out this Agreement  and to consummate  the
Merger,  and all of the relevant legal matters, shall be reasonably satisfactory
to ICOT and its counsel.

                                  ARTICLE VII

                     CONDITIONS TO THE OBLIGATIONS OF AMATI

    The obligations  of  Amati to  consummate  the  Merger are  subject  to  the
fulfillment,  at or before the Closing, of  all of the following conditions, any
one or more of which may be waived by Amati:

    7.1  REPRESENTATIONS AND  WARRANTIES TRUE AT  CLOSING.  The  representations
and  warranties of ICOT and IAAC contained  in this Agreement shall be deemed to
have been made again at and as of  the Closing with respect to the stated  facts
(including  the update of the Officer-Certified Disclosure Statement of ICOT and
IAAC referred to in Section  8.1 of this Agreement)  then existing and shall  be
true in all material respects.

    7.2   COVENANTS PERFORMED.   All of the  obligations of ICOT  and IAAC to be
performed at or before the Closing pursuant to the terms of this Agreement shall
have been duly performed by such parties.

    7.3  CERTIFICATE.  At the  Closing, Amati shall have received a  certificate
signed  by  the President  of  each of  ICOT  and IAAC  to  the effect  that the
conditions set forth in Sections 7.1 and 7.2 have been satisfied.

    7.4  SHAREHOLDER APPROVAL.   This Agreement and  the Merger Agreement  shall
have been duly approved by the stockholders of ICOT and Amati, and the increases
in  authorized capital necessary to complete the Merger, as described in Section
5.4, and in the  number of shares  authorized for issuance  under the ICOT  1990
Stock Option Plan, as required to grant the Performance Options, shall have been
duly approved by the stockholders of ICOT.

    7.5   OPINION OF COUNSEL TO ICOT.   Heller Ehrman White & McAuliffe, counsel
to ICOT, shall have  issued an opinion  in favor of Amati  in the form  mutually
agreeable to counsel to Amati and counsel to ICOT.

    7.6   TAX-FREE REORGANIZATION.  Amati shall have received the opinion of its
counsel to the effect that the Merger will constitute a tax-free  reorganization
within the meaning of Section 368(a) of the

                                      A-20
<PAGE>
Code,  which opinion shall be substantially  similar to the opinion delivered to
ICOT pursuant to  Section 6.7. In  preparing the tax  opinion, counsel may  rely
upon  (and to  the extent  reasonably required, the  parties shall  make and use
their best efforts to cause their directors and shareholders to make) reasonable
representations relating thereto.

    7.7  NASDAQ  NOTIFICATION.   ICOT shall  have notified  the Nasdaq  National
Market  of the proposed issuance of ICOT  Common pursuant to the Merger and upon
exercise of the Amati Options  assumed by ICOT pursuant  to the Merger and  upon
exercise of the Substitute Warrants.

    7.8   BOARD OF  DIRECTORS.  Dr. James  F. Gibbons and  Dr. John Cioffi shall
have been appointed  to the  Board of  Directors of  ICOT, effective  as of  the
Merger Effective Time.

    7.9  VOTING AGREEMENTS.  The Voting Agreements shall remain in full force as
of  the Closing Date  and there shall  be no amendment  or other modification to
such agreements to  which ICOT,  Amati and all  parties thereto  shall not  have
consented in writing.

    7.10  MERGER AGREEMENT.  The Merger Agreement shall have been filed with the
Secretary of State of the State of California.

    7.11   MATERIAL  CHANGES IN THE  BUSINESS OF  ICOT BETWEEN THE  DATE OF THIS
AGREEMENT AND THE CLOSING.  There shall have been no material adverse change  in
the  financial position, results of  operations, assets, liabilities or business
of ICOT between the date of this Agreement and the Closing.

    7.12  NO ACTION TO PREVENT COMPLETION.  Amati shall not have determined,  in
the reasonable exercise of its discretion, that the transactions contemplated by
this  Agreement  have  become  inadvisable  or  impractical  by  reason  of  the
institution or threat  of institution  of litigation or  other proceedings  with
respect to or affecting the transactions contemplated by this Agreement.

    7.13   CONSENTS.  Each of ICOT and  Amati shall have received in writing all
consents, approvals, and waivers required in connection with the Merger (a) from
parties to the agreements, indentures, mortgages, franchises, licenses, permits,
leases, and other instruments set forth in Section 6.18 of the Officer-Certified
Disclosure  Statement  of  ICOT  and  Amati,  respectively,  and  (b)  from  all
governmental authorities.

    7.14   DOCUMENTATION.   All actions,  proceedings, instruments, resolutions,
certificates, and documents  reasonably requested  by Amati to  be executed  and
delivered  to Amati in order  to carry out this  Agreement and to consummate the
Merger, and all of the relevant legal matters, shall be reasonably  satisfactory
to Amati and its counsel.

    7.15   ICOT OFFICERS.  ICOT shall have authorized the appointment of John M.
Cioffi as  Vice President,  Engineering, effective  as of  the Merger  Effective
Time.

                                  ARTICLE VIII

                             PRE-CLOSING COVENANTS

    During the period from the date of this Agreement until the Merger Effective
Time, ICOT and Amati (each sometimes referred to as a "Company" for the purposes
of this Article VIII) each covenants and agrees as follows:

    8.1  ADVICE OF CHANGES.  Each Company will promptly advise the other Company
in  writing (i) of any event occurring  subsequent to the date of this Agreement
that would render any  representation or warranty of  such Company contained  in
this  Agreement, if made on or as of the date of such event or the Closing Date,
untrue or inaccurate in  any material respect and  (ii) of any material  adverse
change  in such Company's  business, taken as  a whole. Not  less than three (3)
days before the  Closing, each  Company shall deliver  to the  other Company  an
update  of the  Officer-Certified Disclosure  Statement previously  delivered by
such   Company,    showing    any    changes   which    have    occurred    with

                                      A-21
<PAGE>
respect  to the information contained therein since it was originally issued and
containing a description  of any  representation or warranty  in this  Agreement
which  is no longer true as  of such date. Such update  shall be certified by an
officer of such Company.

    8.2  MAINTENANCE OF  BUSINESS.  Each  Company will use  its best efforts  to
carry  on  and  preserve  its business  and  its  relationships  with customers,
suppliers, employees and others in substantially the same manner as it has prior
to the date hereof. If  either Company becomes aware  of a deterioration in  the
relationship with any customer, supplier or key employee, it will promptly bring
such  information  to the  attention of  the  other Company  in writing  and, if
requested by  the other  Company, will  exert its  best efforts  to restore  the
relationship.

    8.3    CONDUCT OF  BUSINESS.   Each  Company  will continue  to  conduct its
business and  maintain its  business  relationships in  the ordinary  and  usual
course and will not, without the prior written consent of the other Company:

        8.3.1   borrow any  money, except as set  forth on the Officer-Certified
    Disclosure Statement of the Company;

        8.3.2  incur any liability except for those that may be incurred (i)  in
    the  ordinary course of business, consistent with past practice, and are not
    material in amount, (ii) in connection with the performance or  consummation
    of  this Agreement, or (iii) with  respect to capital expenditures set forth
    on the Officer-Certified Disclosure Statement of the Company;

        8.3.3  encumber or permit to be  encumbered any of its assets except  in
    the ordinary course of its business consistent with past practice;

        8.3.4   dispose of any  of its assets, except  inventory in the ordinary
    course of business, consistent with past practice;

        8.3.5  enter  into any material  lease or contract  for the purchase  or
    sale  of any property,  real or personal,  except in the  ordinary course of
    business, consistent with past practice;

        8.3.6  fail to maintain its  equipment and other assets in good  working
    condition  and repair  according to the  standards it has  maintained to the
    date of this Agreement, subject only to ordinary wear and tear;

        8.3.7  pay any bonus, increased  salary, or special remuneration to  any
    officer, employee (other than those paid in the ordinary course of business,
    consistent  with  past  practice)  or  consultant  or  enter  into  any  new
    employment or  consulting agreement  with  any such  person, except  in  the
    ordinary  course of business  consistent with past  practice or as expressly
    contemplated by this Agreement;

        8.3.8  change accounting methods;

        8.3.9  declare, set  aside or pay  any cash or  stock dividend or  other
    distribution in respect of capital stock, or redeem or otherwise acquire any
    of   its  capital  stock  (except  pursuant  to  employee  stock  repurchase
    agreements  upon  termination  of  an  employee  consistent  with  its  past
    practice);

        8.3.10   amend or terminate any  contract, agreement or license to which
    it is a party except those amended  or terminated in the ordinary course  of
    business  consistent  with  past practice,  and  which are  not  material in
    amount;

        8.3.11  loan any amount to any person or entity, other than advances for
    travel and expenses which  are incurred in the  ordinary course of  business
    consistent  with past  practice, not  material in  amount and  documented by
    receipts for the claimed amounts;

        8.3.12  guarantee or act as a  surety for any obligation except for  the
    endorsement  of  checks and  other  negotiable instruments  in  the ordinary
    course of business, consistent with past practice, which are not material in
    amount;

                                      A-22
<PAGE>
        8.3.13   waive or  release any  material right  or claim  except in  the
    ordinary course of business, consistent with past practice;

        8.3.14   issue  or sell  any shares  of its  capital stock  of any class
    (except upon the conversion of  outstanding preferred stock or the  exercise
    of  an option or warrant currently  outstanding, as disclosed in Section 4.1
    or 5.1, as  the case  may be,  or granted  in accordance  with this  Section
    8.3.14;  provided, however, that Amati shall  not issue shares upon exercise
    of a Fair Value Warrant after the  Ratio Calculation Date other than at  the
    exercise  price set  forth in  the Certificate  Regarding Warrants),  or any
    other of  its securities,  or  issue or  create any  warrants,  obligations,
    subscriptions,  options (except Amati  shall grant immediately  prior to the
    Closing performance-based options to selected employees of Amati convertible
    securities, or other commitments  to issue shares  of capital stock  without
    the  prior consent of the other Company, which consent shall not be withheld
    unreasonably,  or  as  expressly  contemplated  by  Section  8.16  of   this
    Agreement;

        8.3.15  accelerate the vesting of any outstanding options;

        8.3.16   split or combine the outstanding shares of its capital stock of
    any class  or  enter  into  any recapitalization  affecting  the  number  of
    outstanding  shares of its capital stock of any class or affecting any other
    of its securities;

        8.3.17  merge, consolidate  or reorganize with,  or acquire any  entity,
    except for the Merger;

        8.3.18   amend its  Certificate or Articles  of Incorporation or Bylaws,
    except as expressly contemplated by  this Agreement or the Merger  Agreement
    or  an amendment to the Certificate of Incorporation of ICOT to increase the
    authorized number of shares of ICOT Common;

        8.3.19  license any of  its technology or intellectual property,  except
    under  non-exclusive hardware or  software licenses granted  to consumers or
    end-users in the ordinary course of business; or

        8.3.20  agree to do any of the things described in the preceding clauses
    8.3.1 through 8.3.19.

    8.4  SHAREHOLDER MEETINGS.  Each Company will use its best efforts to hold a
special meeting of its shareholders at  the earliest practicable date to  submit
this  Agreement and related matters for  their consideration and approval, which
approval  shall  be  recommended  by  each  Company's  Board  of  Directors  and
management, subject to the fiduciary obligations of its directors and officers.

    8.5   PROXY STATEMENT.  Each Company  will send to its shareholders, for the
purpose  of  considering  and  voting  upon  the  Merger,  the  Proxy  Statement
satisfying  all  requirements of  applicable state  and federal  laws; provided,
however, that  each  Company shall  be  solely responsible  for  any  statement,
information or omission in the Proxy Statement relating to it or its affiliates.
In  addition,  each Company  shall  promptly provide  to  the other  Company all
information relating  to its  respective business  or operations  necessary  for
inclusion  in the  Proxy Statement  and or  S-4 to  satisfy all  requirements of
applicable state and federal securities  laws. Neither Company shall provide  to
its  shareholders or publish any material that violates the 1933 Act or Exchange
Act with respect to the transactions contemplated hereby.

    8.6  REGULATORY APPROVALS.  Prior to the Closing, each Company shall execute
and file, or  join in  the execution  and filing,  of any  application or  other
document that may be necessary in order to obtain the authorization, approval or
consent  of any governmental body, federal, state, local or foreign which may be
reasonably required,  or which  the  other Company  may reasonably  request,  in
connection  with  the  consummation  of the  transactions  contemplated  by this
Agreement.  Each  Company  shall  use  its  best  efforts  to  obtain  all  such
authorizations, approvals and consents.

                                      A-23
<PAGE>
    8.7   NECESSARY CONSENTS.   Prior to the Closing,  each Company will use its
best efforts to obtain such written consents and take such other actions as  may
be  necessary or appropriate  in addition to  those set forth  in Section 8.6 to
allow the consummation of the transactions contemplated hereby and to allow such
Company to carry on its business after the Closing.

    8.8  LITIGATION.  Prior to the  Closing, each Company will notify the  other
Company  in  writing promptly  after learning  of  any material  actions, suits,
proceedings or  investigations by  or before  any court,  board or  governmental
agency, initiated by or against it, or known by it to be threatened against it.

    8.9  DUE DILIGENCE.  Until the Closing, each Company shall provide the other
Company  (including accounting,  legal, and  investment banking representatives)
with access to  its offices  and its  senior employees  for the  purpose of  due
diligence,  in accordance with procedures established by the parties to minimize
disruptions of their businesses.

    8.10   SATISFACTION  OF CONDITIONS  PRECEDENT.   Subject  to  the  fiduciary
obligations  of  its directors  and  officers, each  Company  will use  its best
efforts to satisfy or cause to  be satisfied all the conditions precedent  which
are  set forth in Section 6 and 7, and each Company will use its best efforts to
cause the transactions contemplated  by this Agreement  to be consummated,  and,
without  limiting the  generality of the  foregoing, to obtain  all consents and
authorizations of  third parties  and to  make all  filings with,  and give  all
notices  to, third parties that  may be necessary or  reasonably required on its
part in order to effect the transactions contemplated hereby.

    8.11  AFFILIATES.   Amati shall cause each  of its "affiliates," within  the
meaning of Rule 145 of the 1933 Act ("Rule 145"), and each person who becomes an
affiliate  prior  to  the  Closing  (including  without  limitation  through the
exercise of an Amati Warrant) to deliver to ICOT, on or prior to the mailing  of
the  Proxy Statement (or prior to the Closing if such person is not an affiliate
at the time of such mailing), a written agreement (the "Affiliates  Agreement"),
in  form reasonably satisfactory to counsel to both parties, providing that such
person shall not offer or  sell or otherwise dispose of  any of the ICOT  Common
issued  to such person in the Merger in violation of the 1933 Act, including the
applicable provisions and limitations of  Rule 145. In addition, the  Affiliates
Agreements shall provide that such person shall not sell or otherwise dispose of
(a)  any ICOT Common issued to such person  until 90 days after the Closing Date
and either (b) more than 25% of the ICOT Common issued to such person before the
first anniversary of the Closing  Date or (c) more than  25% of the ICOT  Common
issued  to such person before the first anniversary of the Closing Date and more
than 50% of the ICOT Common issued to such person before the second  anniversary
of the Closing Date, in either case, unless such sale or disposition in approved
in  writing by ICOT. ICOT shall be entitled to place legends on the certificates
evidencing any ICOT  Common received by  such Amati affiliates  pursuant to  the
terms  of this Agreement  and the Merger  Agreement, and to  issue stop transfer
instructions to the transfer agent for ICOT Common, consistent with the terms of
the Affiliates Agreements.

    8.12  REGARDING TAX MATTERS.  Each Company, and its officers, directors, and
shareholders, will take such actions  and make such filings and  representations
as  are reasonably  requested by the  other Company  or its counsel  to have the
Merger constitute a tax-free reorganization within the meaning of Section 368(a)
of the Code.

    8.13  NOTIFICATION  OF CUSTOMERS,  SUPPLIERS AND  EMPLOYEES.   Prior to  the
Closing,  Amati will notify each customer, supplier of products and employee who
is material to Amati's business of the basic facts relating to the  transactions
contemplated  by this Agreement, and Amati will use its best efforts to keep and
maintain  the  existing  favorable  business  relationship  with  each  of  such
customers, suppliers and employees.

    8.14   ADDITIONAL FUNDS TO  AMATI; NEW AMATI NOTE.   Pursuant to the Earlier
Agreement, ICOT agreed to provide Amati with loans up to the aggregate principal
amount of $3,400,000  to pay  the holders of  Amati Notes  and certain  accounts
payable  and to fund Amati's operations, which  loans are evidenced by a secured
promissory note in the  principal amount of $750,000  dated March 21, 1995  (the

                                      A-24
<PAGE>
"$750,000  Note")  and a  secured  promissory note  in  the principal  amount of
$2,650,000 dated May 15, 1995 (the  "$2,650,000 Note"). In consideration of  the
Irrevocable Proxies, ICOT shall make available additional funds (the "Additional
Funds")  to Amati up to such  amount as to bring the  total amount of ICOT loans
outstanding to Amati (including the principal  and interest then accrued on  the
$750,000 Note and $2,650,000 Note) to $5,000,000, ICOT shall cancel the $750,000
Note  and $2,650,000 Note, and  Amati shall issue to ICOT  a secured note in the
form of EXHIBIT 8.14 having a maximum principal amount of $5,000,000 and due and
payable on November 30, 1995 (the "New Amati Note"). The Additional Funds  shall
be  provided to  Amati as necessary  to cover reasonable  operating expenses, as
approved by ICOT.

    8.15  NEW AMATI WARRANT.   In consideration of execution of this  Agreement,
and in exchange for the option and warrant granted to ICOT under Sections 8.9(b)
and 8.9(d), respectively, of the Earlier Agreement, Amati shall issue to ICOT, a
warrant  in the form attached to this  Agreement as EXHIBIT 8.15 (the "New Amati
Warrant"). The New Amati Warrant shall be exercisable at any time prior to or on
October 31, 1996, in  the event that  the Merger does not  occur for any  reason
prior  to or on October 31, 1995. Amati agrees at all times prior to November 1,
1996 to  reserve  and  have  available  for  issuance  a  number  of  securities
sufficient for issuance upon exercise of the Amati Warrants.

    8.16   NEW AMATI FINANCING.  Prior to  the Closing, Amati shall use its best
efforts to  obtain $838,000  in new  financing for  Amati. This  requirement  is
called  the  "Adjustment  Condition."  Amati  may  obtain  such  financing  by a
combination of the following: (a) by extending  the due dates of Amati Notes  to
at least January 31, 1997 (in which event financing shall be deemed to have been
obtained  in  the principal  amount  of the  Amati  Notes so  extended);  (b) by
obtaining new notes on comparable  terms to the Amati  Notes with due dates  not
earlier than January 31, 1997, (in which event financing shall be deemed to have
been  obtained in the principal  amount of such notes);  or (c) by providing for
the  issuance  at  Closing  of  shares  of  ICOT  Common  (i)  in  exchange  for
cancellation  of accounts  payable of Amati  (in which event  financing shall be
deemed to have been  obtained in the amount  of the accounts payable  canceled),
(ii) by the exercise of Amati Warrants (in which event financing shall be deemed
to  have  been obtained  in  the amount  of the  exercise  price), or  (iii) for
cancellation of Amati Notes together with  the related Amati Warrants (in  which
event financing shall be deemed to have been obtained in the principal amount of
the  Amati Notes canceled).  The terms for  issuance of ICOT  Common pursuant to
clause (c) shall be as  set forth in EXHIBIT  8.16 hereto, and Amati  represents
and warrants that these terms were established by the Amati Board as constituted
prior  to the execution of  this Agreement. ICOT agrees  to issue at the Closing
the ICOT Common issuable pursuant to clause (c) of this Section 8.16;  provided,
however,  that  ICOT shall  not  be required  to issue  such  shares if,  in the
reasonable judgment of  ICOT based upon  advice of counsel,  such offer or  sale
would not be in accordance with applicable federal or state securities laws.

    8.17  AMATI BOARD AND MANAGEMENT.  Simultaneously with the execution hereof,
Amati  shall cause the  Board of Directors of  Amati to consist  of Dr. James F.
Gibbons, Dr. John  M. Cioffi  and Messrs. Latif,  Lucas and  Silverman, and  the
Amati  Board of  Directors will  appoint Mr. Latif  to serve  as Chief Executive
Officer.

    8.18  ISSUANCE OF AMATI OPTIONS AND SHARES PRIOR TO MERGER.  Notwithstanding
Section 8.3.14,  Amati  shall not  issue  any  options or  shares  to  officers,
directors  or employees  of Amati  prior to the  Merger Effective  Date and ICOT
shall instruct Messrs.  Latif, Lucas and  Silverman not to  vote to approve  any
such  issuance as directors  of Amati, unless  the issuance is  approved by Drs.
Gibbons and Cioffi and consented to by Mr. Kocsis.

                                   ARTICLE IX

                   CONFIDENTIALITY COVENANT AND ANNOUNCEMENTS

    9.1  CONFIDENTIALITY.  No party to this Agreement shall use or disclose  any
non-public  information obtained from another party for any purpose unrelated to
the Merger, and, if this Agreement is

                                      A-25
<PAGE>
terminated for any reason whatsoever, each  party shall return to the other  all
originals   and  copies  of  all  documents  and  papers  containing  technical,
financial, and  other  information furnished  to  such party  pursuant  to  this
Agreement  or during the  negotiations which preceded  this Agreement, and shall
neither use nor  disclose any such  information except to  the extent that  such
information  is  available  to the  public,  is rightfully  obtained  from third
parties or is independently developed.

    9.2  ANNOUNCEMENTS.  No party to this Agreement shall issue a press  release
or  other public communication relating to  this Agreement, the Merger Agreement
or the Merger without the prior approval of the other party. Notwithstanding the
foregoing, ICOT may  make such  announcements regarding  the Merger  as, in  the
judgment  of its management after consultation with legal counsel, are necessary
to comply with securities laws or  Nasdaq regulations, provided that ICOT  shall
use  all reasonable efforts to allow Amati to review such announcements prior to
issuance.

                                   ARTICLE X

                                INDEMNIFICATION

    10.1   INDEMNIFICATION RELATING  TO AGREEMENT.   To  the extent  and in  the
manner  set forth in the Escrow Agreement, Amati agrees, and by approval of this
Agreement and the  Merger at  the special  shareholders' meeting  of Amati,  the
shareholders  of Amati agree,  that the amounts deposited  in escrow pursuant to
Section 2.7(a) of  this Agreement shall  be used to  defend, indemnify and  hold
ICOT  harmless from and against, and to  reimburse ICOT with respect to, any and
all losses,  damages, liabilities,  claims,  judgments, settlements,  costs  and
expenses (including reasonable attorneys' fees) of every nature incurred by ICOT
by  reason of or arising out of or in connection with (i) any breach by Amati of
any representation or warranty  of Amati contained in  this Agreement or in  any
certificate  or other document  delivered to ICOT pursuant  to the provisions of
this Agreement, including, without limitation, the Officer-Certified  Disclosure
Statement  of Amati, or (ii) the failure,  partial or total, of Amati to perform
any agreement or covenant required by this  Agreement to be performed by it.  It
is  expressly agreed that a diminution in the  value of the business of Amati by
reason of any of  the foregoing shall  be deemed a "loss"  for purposes of  this
Article X.

    10.2   INDEMNIFICATION RELATING TO  S-4 AND PROXY STATEMENT.   To the extent
and in  the manner  set forth  in the  Escrow Agreement,  Amati agrees,  and  by
approval  of this Agreement and the  Merger at the special shareholders' meeting
of Amati, the shareholders of Amati agree, that the amounts deposited in  escrow
pursuant  to Section 2.7(a) of this Agreement shall be used to defend, indemnify
and hold harmless ICOT,  its officers, directors and  agents, its attorneys  and
accountants,  and each person who  controls ICOT within the  meaning of the 1933
Act, from  and  against any  losses,  damages, liabilities,  claims,  judgments,
settlements,  costs and expenses (including reasonable attorneys' fees) of every
nature,  insofar  as  such  losses,  damages,  liabilities,  claims,  judgments,
settlements,  costs and expenses are incurred by reason of or arise out of or in
connection with any untrue statement or alleged untrue statement of any material
fact contained in  the S-4  or in  the Proxy Statement  or in  any amendment  or
supplement  to any of them, or  are incurred by reason of  or arise out of or in
connection with the  omission or alleged  omission to state  therein a  material
fact  required to be stated therein or necessary to make the statements therein,
in light of the circumstances in  which they were made, not misleading,  insofar
as  such statement  or omission  relates to  Amati and  is based  on information
furnished by Amati.

    10.3  INDEMNIFICATION  BY ICOT RELATING  TO S-4 AND  PROXY STATEMENT.   ICOT
shall  defend, indemnify and hold harmless the officers, directors and agents of
Amati, Amati's attorneys  and accountants,  and each person  who controls  Amati
within  the  meaning of  the 1933  Act,  from and  against any  losses, damages,
liabilities, claims,  judgments,  settlements,  costs  and  expenses  (including
reasonable  attorneys' fees) of  every nature, insofar  as such losses, damages,
liabilities, claims, judgments, settlements, costs and expenses are incurred  by
reason  of or arise out of or in connection with any untrue statement or alleged
untrue statement of  any material  fact contained  in the  S-4 or  in the  Proxy
Statement  or in any amendment or supplement to  any of them, or are incurred by
reason of or arise

                                      A-26
<PAGE>
out of or in connection with the omission or alleged omission to state therein a
material fact declared to be stated therein or necessary to make the  statements
therein,  in light of the circumstances in which they were made, not misleading,
insofar as  such  statement  or  omission  relates  to  ICOT  and  is  based  on
information furnished by ICOT.

    10.4   ESCROW.   The  shares of  ICOT Common  to be  deposited in  escrow in
accordance with Section 2.7(a)  of this Agreement  shall constitute an  absolute
limit  on the obligation of Amati or its shareholders to indemnify and hold ICOT
harmless under this Article X.

    10.5  LIMITATION  ON INDEMNIFICATION.   Neither  party shall  be liable  for
indemnification  under this  Article X unless  the aggregate amount  of all such
liabilities exceeds $90,000,  in which  case the  liability for  indemnification
under this Article X shall include only such amounts in excess of $90,000.

                                   ARTICLE XI

                                  TERMINATION

    11.1   TERMINATION BY MUTUAL AGREEMENT.  This Agreement may be terminated at
any time prior to the Merger Effective Time by the unanimous consent of ICOT and
Amati, even if  and after the  shareholders of Amati  and/or ICOT have  approved
this Agreement and the Merger Agreement.

    11.2   TERMINATION BY ICOT.  This Agreement may be terminated by ICOT alone,
by means of written notice to Amati, if (a) Amati fails to perform any  material
covenant  of Amati contained in  this Agreement, (b) on  or before 45 days after
the Shareholders of Amati approve the Merger, any of the conditions set forth in
Article VI of this Agreement shall not have been satisfied by Amati or waived by
ICOT, (c) the Merger Effective Time does not occur by October 31, 1995.

    11.3   TERMINATION BY  AMATI.   This Agreement  may be  terminated by  Amati
alone,  by means  of written notice  to ICOT, if  (a) ICOT fails  to perform any
material covenant of ICOT contained in this Agreement, (b) on or before 45  days
after  the stockholders of  ICOT approve the  Merger, any of  the conditions set
forth in Article VII of this Agreement shall not have been satisfied by ICOT  or
waived  by Amati, or (c) the Merger Effective Time does not occur by October 31,
1995.

    11.4  EFFECT  OF TERMINATION.   The provisions of  Article IX, this  Section
11.4,  and Article XII shall survive termination of this Agreement. Further, the
liability of any party for breach of any representation, warranty, covenant,  or
agreement  of such  party set  forth in  this Agreement  occurring prior  to the
termination of this Agreement shall survive termination of this Agreement.

                                  ARTICLE XII

                                 MISCELLANEOUS

    12.1   EXPENSES.   Each  of ICOT  and  Amati shall  pay  its own  costs  and
expenses,  including legal, accounting and investment banking fees and expenses,
relating to this Agreement,  the negotiations leading up  to this Agreement  and
the  transactions contemplated by  this Agreement. ICOT  represents and warrants
that it has not used any broker, finder or investment banker in connection  with
the  Merger. Amati  represents and  warrants that  it has  not used  any broker,
finder or investment banker in connection with the Merger.

    12.2  AMENDMENT.  This  Agreement shall not be  amended except by a  writing
duly executed by both parties.

    12.3   ENTIRE AGREEMENT.  This  Agreement, including the Exhibit, Schedules,
and other documents delivered pursuant to this Agreement, contains all the terms
and conditions agreed upon by the parties relating to the subject matter of this
Agreement and  supersedes all  prior agreements,  negotiations,  correspondence,
undertakings,  and  communications  of  the parties,  whether  oral  or written,
respecting that subject matter, except the nondisclosure agreement between Amati
and ICOT dated March 8, 1995, which remains in full force and effect.

                                      A-27
<PAGE>
    12.4  GOVERNING LAW.  This Agreement  shall be governed by and construed  in
accordance  with the laws of  this State of California  as applied to agreements
entered into  by  California  residents  and entirely  to  be  performed  within
California,  except  insofar as  matters relating  to ICOT  are governed  by the
Delaware GCL.

    12.5  HEADINGS.  The headings  contained in this Agreement are intended  for
convenience and shall not be used to determine the rights of the parties.

    12.6   MUTUAL CONTRIBUTION.  The parties to this Agreement and their counsel
have mutually contributed to its drafting.

    12.7  NOTICES.   All  notices, requests, demands,  and other  communications
made  in connection with this Agreement shall  be in writing and shall be deemed
to have been duly given on the date of delivery if delivered by hand delivery or
by facsimile  to the  persons identified  below or  five days  after mailing  if
mailed  by certified or registered mail postage prepaid return receipt requested
addressed as follows:

      If to ICOT:

           ICOT Corporation
           P.O. Box 5143
           3801 Zanker Road
           San Jose, California 95150
           Attention: President
           Facsimile: (408) 433-0260
           Confirmation Number: (408) 433-3300

       With a copy to:

           Heller Ehrman White & McAuliffe
           525 University Avenue
           Palo Alto, California 94301
           Attention: SAO File 16199-0012
           Facsimile: (415) 324-0638
           Confirmation Number: (415) 324-7000

       If to Amati:

           Amati Communications Corporation
           1975 El Camino Real West
           Mountain View, California 94040
           Attention: Secretary
           Facsimile: (415) 903-2350
           Confirmation Number: (415) 903-2375

       With a copy to:

           Gray Cary Ware & Freidenrich
           400 Hamilton Avenue
           Palo Alto, California 94301
           Attention: Eric Lapp, Esq.
           Facsimile: (415) 327-3699
           Confirmation Number: (415) 328-6561

    Such addresses may be changed, from time to time by means of a notice  given
in the matter provided in this Section 12.7.

                                      A-28
<PAGE>
    12.8    SEVERABILITY.   If any  provision of  this Agreement  is held  to be
unenforceable for  any reason,  it  shall be  adjusted  rather than  voided,  if
possible,  in order to achieve the intent of the parties to the extent possible.
In any event, all other provisions of  this Agreement shall be deemed valid  and
enforceable to the full extent.

    12.9   SURVIVAL OF  REPRESENTATION AND WARRANTIES.   All representations and
warranties contained in  this Agreement, including  the Exhibits, Schedules  and
other  documents delivered  pursuant to this  Agreement shall  survive until the
first anniversary of the Merger Effective Time.

    12.10  WAIVER.   Waiver of any  term or condition of  this Agreement by  any
party  shall not be construed  as a waiver of a  subsequent breach or failure of
the same term or condition, or a waiver  of any other term or condition in  this
Agreement.

    12.11    ASSIGNMENT.   Neither  party may  assign,  by operation  of  law or
otherwise, all  or any  portion of  its rights  or duties  under this  Agreement
without  the prior  written consent  of the  other party,  which consent  may be
withheld in the absolute discretion of the party asked to give consent.

    12.12  COUNTERPARTS.  This Agreement may be signed in counterparts with  the
same  effect as if the  signatures to each party  were upon a single instrument.
All counterparts shall be deemed an original of this Agreement.

    12.13  VOTING AGREEMENTS.  Each director  of ICOT shall enter into a  Voting
Agreement  in the form  attached hereto as  EXHIBIT 12.13, pursuant  to which he
shall agree to vote all the shares of  ICOT Common held by him or any  affiliate
of such director in favor of the Merger (the "Voting Agreements").

    12.14   IRREVOCABLE PROXY.   ICOT shall receive an  irrevocable proxy in the
form attached hereto  as EXHIBIT 12.14  from James F.  Gibbons, John M.  Cioffi,
James  F. Ottinger, Ronald K. Maxwell,  Stanford and University Ventures II (the
"Irrevocable Proxies")  in  consideration of  the  continuation of  the  amounts
outstanding  under the $750,000 Note and the  $2,650,000 Note and the lending of
the Additional Funds.

    12.15  PERFORMANCE OPTIONS.

    (a) ICOT  agrees to  issue, within  one  month of  the Closing,  options  to
purchase  1,616,411 shares of ICOT Common under  the ICOT 1990 Stock Option Plan
(the "Performance  Options") to  certain  employees of  Amati  as set  forth  in
EXHIBIT  12.15 hereof,  provided that  they are then  employed by  ICOT and have
exercised the  Amati Options  granted to  them prior  to 1995.  The  Performance
Options  shall be granted at fair market value. Subject to Section 12.15(b), the
Performance Options shall vest on the  fourth anniversary of the grant date  and
shall be exercisable for at least six months from the vesting date.

    (b)  If Amati Product  Revenues exceed $8,000,000, Amati  shall be deemed to
have satisfied the  condition (the  "Earn-Out Condition")  entitling holders  of
Performance Options to accelerated vesting of such options; if the Amati Product
Revenues  are less than or equal to  $8,000,000, the Earn-Out Condition shall be
deemed to be unsatisfied. ICOT shall instruct Arthur Andersen LLP to conduct  an
audit  of the Amati Product  Revenues and deliver an  audited statement of Amati
Product Revenues no later than the time of delivery to ICOT of audited financial
statements of ICOT's  1996 fiscal  year. The date  of delivery  of such  audited
statement  of  Amati  Product Revenues  shall  be  deemed to  be  the  date that
satisfaction of the Earn-Out Condition is determined.

    (c) Notwithstanding this Section 12.15, the management of Amati prior to the
Merger shall operate Amati in accordance with its business judgment  considering
the  long-term interests of Amati, assuming that  the Merger will occur, and the
management of ICOT after  the Merger shall operate  ICOT in accordance with  its
business judgment considering the interests of ICOT and all of its stockholders,
in each case without regard to whether the Earn-Out Condition will be satisfied.

                                      A-29
<PAGE>
    IN  WITNESS WHEREOF, ICOT, Amati and IAAC have executed this Agreement as of
the date first above written.

                                          ICOT CORPORATION

                                          By:        Aamer Latif    8/4/95

                                          --------------------------------------
                                          Title: Chief Executive Officer

                                          AMATI COMMUNICATIONS CORPORATION

                                          By:      John M. Cioffi    8/4/95

                                          --------------------------------------
                                          Title: VP, Engineering & Secretary

                                          IA ACQUISITION CORPORATION

                                          By:        Aamer Latif    8/4/95

                                          --------------------------------------
                                          Title: Chief Executive Officer

                                      A-30
<PAGE>
                                   EXHIBIT A
                            FORM OF ESCROW AGREEMENT

   
    THIS ESCROW AGREEMENT ("Escrow Agreement")  is made as of  October   ,  1995
among  ICOT Corporation,  a Delaware  corporation ("ICOT"),  John Bingham, Frank
Kocsis, Kathy Ku and  James Ottinger and  (the "Representatives"); and  Chemical
Trust Company of California, a California corporation ("Escrow Holder").
    

                                   BACKGROUND

    A.  Pursuant to an Amended and Restated Agreement and Plan of Reorganization
and  Merger  (the  "Agreement")  dated  as of  August  3,  1995  among  ICOT, IA
Acquisition Corporation, a California corporation and a wholly-owned  subsidiary
of ICOT ("IAAC"), and Amati Communications Corporation, a California corporation
(the  "Company"), IAAC will be merged with  and into the Company and the Company
will be the surviving corporation and  become a wholly-owned subsidiary of  ICOT
(the "Merger").

   
    B.   This Escrow Agreement is being entered into pursuant to Section 2.7 and
Article X of the Agreement. Execution and delivery of this Escrow Agreement is a
condition to the obligations of the  parties to the Agreement to consummate  the
Merger.
    

   
    C.   As set forth in Section 2.7  of the Agreement, by their approval of the
Agreement and  the  Merger,  the holders  of  shares  of the  common  stock  and
preferred stock of the Company have authorized the Representatives to act as the
representatives of those persons who, immediately prior to the effective time of
the  Merger, are  holders (the  "Former Shareholders")  of shares  of the common
stock and preferred  stock of  the Company  (other than  holders of  "dissenting
shares"  within the  meaning of Section  1300(b) of  the California Corporations
Code) under this Escrow Agreement with the powers and authority provided  herein
and with the power and authority to bond such Former Shareholders.
    

   
    D.   Pursuant to the Agreement, the shares of the common stock and preferred
stock of the  Company that are  outstanding immediately prior  to the  effective
time  of the Merger, other than dissenting shares, will be converted into shares
of the common stock of ICOT.
    

   
    E.  Section 2.7 of the Agreement provides that at the effective time of  the
Merger, 1,050,000 of the shares of the common stock of ICOT issued in the Merger
shall  be delivered on behalf of the Former Shareholders to the Escrow Holder in
order to secure  the indemnification  obligations of  the Company  set forth  in
Article X of the Agreement.
    

    THE PARTIES AGREE AS FOLLOWS:

                                   ARTICLE I
                                  DEFINITIONS

    Unless  otherwise defined herein,  capitalized terms used  herein shall have
the meanings set forth in the Agreement.  In addition, for the purposes of  this
Escrow Agreement, the following terms shall have the following meanings:

    1.1  CLAIM CERTIFICATE.  "Claim Certificate" shall mean a certificate signed
by  an officer of  ICOT stating (i)  that an Indemnified  Person has incurred or
reasonably believes it may in the  future incur the amount of Damages  specified
in  such Claim Certificate, (ii) in reasonable  detail, the facts alleged as the
basis for such claim  and the section  or sections of  the Agreement alleged  to
have  been  violated, and  (iii) the  number  of Escrowed  Shares to  which ICOT
believes the Indemnified Person is entitled with respect to such Damages.

                                      A-31
<PAGE>
    1.2    DAMAGES.    "Damages"  shall  mean  any  and  all  losses,   damages,
liabilities,  claims,  judgments,  settlements,  costs  and  expenses (including
reasonable attorneys'  fees)  of  the type  referred  to  in Article  X  of  the
Agreement.

    1.3  ESCROW FUND.  "Escrow Fund" shall mean the Escrowed Shares then held by
the Escrow Holder.

    1.4   ESCROWED SHARE.  An "Escrowed Share" shall mean a share of ICOT Common
delivered to the Escrow  Holder by the  Exchange Agent on  behalf of the  Former
Shareholders  in accordance with Section 2.6 of the Agreement, together with any
and all other  shares of  ICOT Common,  other securities  of ICOT  or any  other
issuer,  other property or cash received or  receivable in respect of such share
of ICOT Common, including, without limitation, any and all securities,  property
or  cash to  be issued or  distributed in connection  with any recapitalization,
reclassification, split-up,  merger,  consolidation, exchange,  stock  dividend,
stock split or similar event declared or effected with respect to shares of ICOT
Common.

    1.5  INDEMNIFIED PERSON.  "Indemnified Person" shall mean ICOT and any other
entity  or person who is a beneficiary of the indemnification obligations of the
Company contained in Section 10.1 or 10.2 of the Agreement.

    1.6  VALUE.   "Value," when used  with respect to  an Escrowed Share,  shall
mean  the average closing price of the  ICOT common stock on the Nasdaq National
Market for a period of 10 trading days before the date of a Claim Certificate as
adjusted for stock splits, stock dividends, recapitalizations and the like.

                                   ARTICLE II
                               CREATION OF ESCROW

    2.1  PURPOSE.   This Escrow Agreement is  being executed and delivered,  and
the  deposit of  the Escrow  Fund hereunder  is being  made, for  the purpose of
securing  the  indemnification  obligations  of  the  Company  and  the   Former
Shareholders set forth in Article X of the Agreement.

   
    2.2   CREATION OF ESCROW FUND.  At or promptly after the Effective Time, the
Representatives shall instruct  the Exchange  Agent to deposit  with the  Escrow
Holder  certificates representing those shares of  ICOT Common required to be so
deposited under Section 2.7 of the  Agreement. ICOT and the Former  Shareholders
agree that any other securities, property or cash which thereafter are to become
part  of the Escrow  Fund as provided  in Section 1.4  of this Escrow Agreement,
shall be promptly deposited with the Escrow Holder upon receipt by or on  behalf
of  the Former Shareholders, and  receipt by the Escrow  Holder on behalf of the
Former  Shareholders  shall  be  deemed  receipt  by  the  Former  Shareholders.
Certificates  representing  securities deposited  in  the Escrow  Fund  shall be
accompanied  by  separate  stock  powers  endorsed  in  blank,  with  signatures
guaranteed  by medallion stamp,  by the Representatives on  behalf of the Former
Shareholders.
    

    2.3   VOTING RIGHTS.   The  Former Shareholders  shall retain  their  voting
rights  with respect to  securities held by  the Escrow Holder  unless and until
such securities are delivered  by the Escrow Holder  to ICOT in accordance  with
this Agreement.

                                  ARTICLE III
                                     CLAIMS

    3.1   PAYMENT AFTER DELIVERY OF CLAIM CERTIFICATE.  If ICOT gives the Escrow
Holder and the Representatives a Claim Certificate, then, as soon as practicable
but not earlier than  30 days after  the giving of  such Claim Certificate,  the
Escrow   Holder,   subject  to   the   requirements  of   Section   3.2  hereof,

                                      A-32
<PAGE>
shall deliver to ICOT, from the Escrow Fund, on behalf of the Indemnified Person
that number of Escrowed Shares having a Value (to the extent the Escrow Fund  is
sufficient  for  such purpose)  equal  to the  Damages  specified in  such Claim
Certificate.

    3.2  DISPUTES RESPECTING CLAIMS.  Unless, within 30 days after the giving of
any Claim Certificate  by ICOT,  ICOT and the  Escrow Holder  receive a  written
notice  signed  by  at  least  three of  the  Representatives  stating  that the
Representatives question  the  accuracy  of  a matter  asserted  in  such  Claim
Certificate,  such  Claim Certificate  shall  constitute full  authority  to the
Escrow Holder  to take  the action  provided for  in Section  3.1 and  shall  be
conclusive and binding on all parties hereto and on the Former Shareholders. If,
however,  the Representatives timely give such a notice, the Escrow Holder shall
not make any distribution to ICOT of  that portion of the Escrow Fund which  the
Representatives  assert in their  notice should not be  so distributed until (i)
the Escrow  Holder  receives  the written  consent  of  at least  three  of  the
Representatives  and ICOT to such distribution or (ii) there is a final decision
of a court of competent  jurisdiction or of an  arbitrator in an action  between
ICOT  and  the Representatives  with respect  to the  disputed amount.  For this
purpose, a  final  decision  shall mean  the  final  judgment of  any  court  of
competent  jurisdiction from which no appeal is then allowed or a final decision
of an arbitrator under an arrangement providing for no appeal of such  decision.
The reasonable expenses, including attorneys' fees, of all of the parties to any
such  lawsuit or proceeding  shall be reasonably  apportioned among them, taking
into  consideration  the  outcome   of  the  lawsuit   or  proceeding  and   the
reasonableness  of the conduct of each such party in connection with the dispute
over  the  disposition  of  that  portion  of  the  Escrow  Fund  which  was  in
controversy,  in light of the  facts known to such party  at the time such party
engaged in  such conduct.  Any and  all amounts  payable to  ICOT or  any  other
Indemnified  Person pursuant to the preceding sentence  shall be paid out of the
Escrow Fund as though it were an item of Damages.

    3.3  NOTICE AND DEFENSE OF THIRD PARTY CLAIMS.  No later than 30 days  after
receipt  by ICOT of a written notice of any action, suit or proceeding commenced
against ICOT or  the Company which  might be a  basis for indemnification  under
Article  X of the  Agreement, ICOT will give  the Representatives written notice
thereof and  will afford  them an  opportunity to  defend such  action, suit  or
proceeding  on  behalf  of  the  Former  Shareholders,  at  the  expense  of the
Representatives or the Former Shareholders,  provided that ICOT may  participate
in the control of such defense.

                                   ARTICLE IV
                          DISTRIBUTION OF ESCROW FUND

   
    4.1   DISTRIBUTION OF UNDISPUTED AMOUNTS.  Subject to Section 4.2 hereof, on
the date  one  year  after  the  date of  this  Escrow  Agreement  (the  "Escrow
Termination  Date")  the  Escrow  Holder shall  promptly  distribute  the entire
remaining Escrow  Fund to  the Representatives  for the  benefit of  the  Former
Shareholders,  or to the  Former Shareholders if and  as the Representatives and
ICOT shall direct, pro rata according to the number of shares of Company  Common
held by the Former Shareholders at the Effective Time.
    

    4.2   DISTRIBUTION OF  DISPUTED AMOUNTS.   Notwithstanding the provisions of
Section 4.1 hereof, if,  prior to the Escrow  Termination Date, ICOT shall  have
given  a Claim Certificate  to the Representatives  and the Escrow  Holder and a
dispute,  in  accordance  with  Section   3.2  hereof,  respecting  that   Claim
Certificate  or the subject  matter of such  Claim Certificate has  not yet been
resolved in accordance with Section 3.2,  then the Escrow Holder shall  continue
to  hold that portion of  the Escrow Fund which is  the subject of such dispute.
Any portion of  the Escrow Fund  so withheld shall  continue to be  held by  the
Escrow  Holder until it receives authorization  to distribute the portion of the
Escrow Fund so withheld in accordance with the second sentence of Section 3.2.

   
    4.3  INCONSISTENT DIRECTIONS.  In  the event the Escrow Holder receives  any
inconsistent  directions from the parties hereto, it shall notify the parties of
such inconsistency and, if the inconsistency
    

                                      A-33
<PAGE>
   
is not resolved by the parties within 30 days of such notice, the Escrow  Holder
shall  have the right  to petition a  court, or if  an arbitration proceeding is
pending  pursuant  to  Section  7.6  request  the  arbitrator,  to  resolve  the
differences between such parties.
    

                                   ARTICLE V
                                 ESCROW HOLDER

    5.1   LIMITATION OF LIABILITY.   It is agreed that  the duties of the Escrow
Holder are limited to those herein specifically provided and are ministerial  in
nature.  It is further  agreed that the  Escrow Holder shall  incur no liability
whatever except by  reason of its  willful misconduct or  gross negligence.  The
Escrow  Holder shall be under no obligation  in respect of the Escrow Fund other
than faithfully to follow the instructions herein contained or delivered to  the
Escrow  Holder in accordance  with this Escrow Agreement.  The Escrow Holder may
consult with counsel and shall  be fully protected in  any action taken in  good
faith in accordance with the advice of such counsel. It shall not be required to
institute legal proceedings of any kind. It shall have no responsibility for the
genuineness  or validity of any document or other item deposited with it, and it
shall be fully protected in acting in accordance with this Escrow Agreement upon
any written  instructions given  to it  and believed  by it  to have  been  duly
executed  by ICOT or by  the Representatives, as the  case may be, in accordance
herewith. Anything  in this  agreement to  the contrary  notwithstanding, in  no
event  shall the Escrow Holder be  liable for special, indirect or consequential
loss or  damage  of any  kind  whatsoever (including  but  not limited  to  lost
profits),  even if the Escrow Holder has  been advised of the likelihood of such
loss or damage and regardless of the form of action.

   
    5.2  COMPENSATION;  REIMBURSEMENT.   ICOT agrees  to pay  the Escrow  Holder
reasonable  compensation for  its services hereunder  for so long  as the Escrow
Holder holds all or any portion of  the Escrow Fund. Such compensation shall  be
set forth in Exhibit A hereto. ICOT will pay or reimburse the Escrow Holder upon
its  request for all reasonable  expenses, disbursements and advances reasonably
incurred or made by the Escrow Holder  in accordance with any of the  provisions
of this Escrow Agreement (including the reasonable compensation and the expenses
and disbursements of its counsel and of all persons not regularly in its employ)
except  any such expense,  disbursement or advance  as may arise  from its gross
negligence or willful misconduct.
    

   
    5.3  INDEMNIFICATION.  ICOT and the Representatives, jointly and  severally,
agree to indemnify the Escrow Holder in any capacity under this Escrow Agreement
and  its  agents, and  to hold  them  harmless against,  any loss,  liability or
expense incurred without gross negligence or  willful misconduct on the part  of
the  Escrow Holder or such agent,  as the case may be,  and arising out of or in
connection with  the  acceptance or  administration  of this  escrow;  provided,
further,  that the Representatives' indemnification  obligation shall be limited
to the Escrowed Shares.
    

   
    5.4   RESIGNATION.   The Escrow  Holder, or  any successor  to it  hereafter
appointed,  may at any time  resign by giving notice in  writing to ICOT and the
Representatives and,  upon  the appointment  of  a successor  Escrow  Holder  as
hereinafter  provided, shall be discharged from any further duties hereunder. In
the event of such resignation, a successor Escrow Holder, which shall be a  bank
or trust company organized under the laws of the United States of America, shall
be  appointed by  ICOT, subject  to the  approval of  the Representatives, which
approval shall not be  unreasonably withheld. Any  such successor Escrow  Holder
shall  deliver to  ICOT and the  Representatives a  written instrument accepting
such appointment  hereunder,  and thereupon  it  shall  succeed to  all  of  the
unaccrued rights and duties of the Escrow Holder hereunder and shall be entitled
to receive all of the then remaining Escrow Fund.
    

   
    5.5   SUCCESSION BY MERGER, ETC.  Any corporation or other entity into which
the Escrow  Holder  may  be  merged  or  converted  or  with  which  it  may  be
consolidated,  or any  corporation or  other entity  resulting from  any merger,
conversion or consolidation  to which  the Escrow Holder  shall be  a party,  or
    

                                      A-34
<PAGE>
   
any  corporation or other entity  succeeding to all or  substantially all of the
escrow business  of the  Escrow Holder,  shall be  the successor  to the  Escrow
Holder hereunder without the execution or filing of any paper of any further act
on the part of any of the parties hereto.
    

                                   ARTICLE VI
                                REPRESENTATIVES

   
    6.1   ACTION BY REPRESENTATIVES.   The Representatives shall have full power
and authority to represent all Former  Shareholders with respect to all  matters
arising  under this  Escrow Agreement  and with  respect to  the obligations set
forth in Article X of the Agreement. All  action taken by at least three of  the
Representatives  hereunder shall be  binding upon the  Former Shareholders as if
expressly confirmed and ratified  in writing by each  of them. Without  limiting
the  generality of the foregoing, the  Representatives shall have full power and
authority on behalf of all of the Former Shareholders to interpret all the terms
and provisions of  this Escrow  Agreement, to give  all approvals  and take  any
other  actions with  respect to the  Former Shareholders in  connection with the
subject matter of  this Agreement and  to consent to  any amendment hereof.  All
action to be taken by the Representatives hereunder shall be taken by, or at the
written  direction of, no fewer than  three of the four Representatives (whether
or not all of the Representatives have been consulted), and any action so  taken
shall  be conclusive and binding  upon all of the  Former Shareholders. ICOT and
the Escrow Holder may deal solely with and rely solely upon the  Representatives
as the representatives of all the Former Shareholders.
    

    6.2    SUCCESSOR REPRESENTATIVES.    In case  of  the resignation,  death or
inability to act of any of the Representatives, a successor or successors  shall
be  named  by  the  remaining  Representatives, or,  if  there  be  no remaining
Representatives or if any such  vacancy shall not be  filled within 30 days,  by
the  Escrow Holder; but  at no time  shall a majority  of the Representatives or
successor Representatives,  while acting  as such,  be a  director or  executive
officer of ICOT. Each such successor Representative shall have all of the power,
authority,   rights   and   privileges  hereby   conferred   upon   an  original
Representative, and the term "Representative" as used herein shall be deemed  to
include each such successor Representative.

    6.3   LIMITATION OF LIABILITY.  The Representatives shall incur no liability
to the Former Shareholders except by reason of their willful misconduct or gross
negligence.

                                      A-35
<PAGE>
                                  ARTICLE VII
                                 MISCELLANEOUS

    7.1  NOTICES.   Except as expressly provided  in this Escrow Agreement,  all
notices  (including any Claim Certificate) given  in connection with this Escrow
Agreement shall be deemed  to have been  duly given on the  date of delivery  if
personally  delivered, or  three days  after mailing  if mailed  by certified or
registered mail, return receipt requested, addressed as follows:

    IF TO ICOT:

       ICOT Corporation
       3801 Zanker Road
       San Jose, California 95150-5143
       Attention: President

    WITH A COPY TO:

   
       Heller Ehrman White & McAuliffe
       525 University Avenue
       Palo Alto, California 94301
       Attention: SAO File 16199-0012
    

    IF TO THE REPRESENTATIVES:

       To such address or addresses as  they shall specify in writing  to
       the other parties to this Agreement in the manner provided in this
       Section 7.1.

    WITH A COPY TO:

       Gray Cary Ware & Freidenrich
       400 Hamilton Avenue
       Palo Alto, California 94301
       Attention: Eric Lapp, Esq.

    IF TO THE ESCROW HOLDER:

   
       Chemical Trust Company of California
       50 California Street, 10th Floor
       San Francisco, California 94111
       Attention: Corporate Trust Department
    

Such  addresses may be changed from  time to time by means  of a notice given in
the manner provided in this Section 7.1.

   
    7.2  SUCCESSORS AND ASSIGNS.   Except as set  forth in Section 5.4,  neither
the  Escrow Holder nor  the Representatives may  assign, by operation  of law or
otherwise, all or any portion of its or their rights, obligations or liabilities
under this Escrow  Agreement without the  prior written consent  of ICOT,  which
consent  may  be withheld  in  the absolute  discretion  of ICOT.  Any attempted
assignment in  violation of  this Section  7.2 shall  be voidable.  This  Escrow
Agreement  and all action taken hereunder in  accordance with its terms shall be
binding upon and inure to the benefit of ICOT and the other Indemnified  Persons
and  their respective successors, assigns,  heirs, executors, administrators and
legal representatives, the Former Shareholders and their respective  successors,
assigns,  heirs, executors, administrators and legal representatives, the Escrow
Holder and its successors and the Representatives and their successors, assigns,
heirs, executors, administrators and legal representatives.
    

    7.3  HEADINGS.  The headings contained in this Escrow Agreement are intended
principally for convenience and shall  not, by themselves, determine the  rights
of the parties to this Escrow Agreement.

                                      A-36
<PAGE>
   
    7.4   WAIVER;  AMENDMENT.  Waiver  of any  term or condition  of this Escrow
Agreement by any party shall not be construed as a waiver of a subsequent breach
or failure of  the same  term or condition,  or a  waiver of any  other term  or
condition  of this  Escrow Agreement. Amendment  of this  Escrow Agreement shall
require the written consent of ICOT, the  Escrow Holder and no fewer than  three
of  the Shareholder Representatives. This Escrow  Agreement shall not be amended
to add any duties or obligations to those of the Escrow Holder without the prior
written consent of the Escrow Holder in each instance.
    

    7.5   GOVERNING  LAW.   This  Escrow Agreement  shall  be governed  by,  and
construed  in accordance with, the laws of the State of California as applied to
agreements entered into and entirely to be performed within the state.

    7.6  ARBITRATION.  The parties hereto agree that if any Claim for Damages is
made under this Escrow Agreement and such Claim does not involve any party other
than the  parties to  this Agreement,  then  such Claim  shall be  submitted  to
binding  arbitration in  accordance with the  rules of  the American Arbitration
Association with such arbitration to be  held in San Francisco, California.  The
results,  determination,  finding,  judgment  or  award  rendered  through  such
arbitration, shall be final and  binding on each of  the parties hereto and  not
subject to appeal.

    IN  WITNESS WHEREOF, the parties hereto have caused this Escrow Agreement to
be signed the day and year first above written.

    ICOT:                                 ICOT CORPORATION
                                          By: __________________________________
                                          Name: ________________________________
                                          Title: _______________________________
    REPRESENTATIVES:                      ______________________________________
   
                                          John Bingham
    
                                          ______________________________________
   
                                          Frank Kocsis
    
                                          ______________________________________
   
                                          Kathy Ku
    
                                          ______________________________________
   
                                          James Ottinger
    

    ESCROW HOLDER:
   
                                          CHEMICAL TRUST COMPANY OF CALIFORNIA
    
                                          By: __________________________________
                                          Name: ________________________________
                                          Title: _______________________________

                                      A-37
<PAGE>
                                  EXHIBIT 2.5
                   FORM OF SUBSTITUTE STOCK PURCHASE WARRANT

    ICOT Corporation (the "Company"), a California Corporation, hereby certifies
that,  in  exchange  for  a  Stock  Purchase  Warrant  of  Amati  Communications
Corporation ("Amati") and  pursuant to  the Amended and  Restated Agreement  and
Plan  of Reorganization and  Merger among the Company,  Amati and IA Acquisition
Corporation dated as of August  3, 1995,                      (the "Holder")  is
entitled,  subject to the  terms set forth  below, to purchase  from the Company
        fully paid  and  nonassessable  shares  of  the  Common  Stock  of  ICOT
Corporation  (the "Shares") at  the purchase price of  $          per share (the
"Purchase Price"). Both the Purchase Price and such number of Shares are subject
to adjustments as described below.

    THE SECURITY EVIDENCED  BY THIS WARRANT  OR THE SECURITIES  TO BE  PURCHASED
UNDER  THIS WARRANT, HAVE NOT BEEN REGISTERED  UNDER THE SECURITIES ACT OF 1933,
AS AMENDED, AND MAY  NOT BE SOLD, TRANSFERRED,  ASSIGNED OR HYPOTHECATED  UNLESS
THERE  IS  AN  EFFECTIVE REGISTRATION  STATEMENT  UNDER SUCH  ACT  COVERING SUCH
SECURITIES, THE SALE IS MADE IN ACCORDANCE  WITH RULE 144 UNDER THE ACT, OR  THE
COMPANY  RECEIVES  AN OPINION  OF  COUNSEL FOR  THE  HOLDER OF  THESE SECURITIES
REASONABLY SATISFACTORY  TO  THE  COMPANY, STATING  THAT  SUCH  SALE,  TRANSFER,
ASSIGNMENT  OR  HYPOTHECATION IS  EXEMPT  FROM THE  REGISTRATION  AND PROSPECTUS
DELIVERY REQUIREMENT UNDER SUCH ACT.

    1.   EXERCISE.   Subject to  the restrictions  herein, this  Warrant may  be
exercised  in whole or part by the Holder  at any time before 5 p.m., California
local time, on            by the  surrender of this  Warrant, together with  the
Notice  of Exercise attached hereto as ATTACHMENT 1, duly completed and executed
at the principal office  of the Company,  accompanied by payment  in cash or  by
check  in full with respect to the Shares being purchased. This Warrant shall be
deemed to have been exercised immediately prior to the close of business on  the
date of its surrender for exercise as provided above.

    2.    DELIVERY  OF  STOCK  CERTIFICATES, ETC.,  ON  EXERCISE.    As  soon as
practicable after the exercise of this  Warrant, and in any event within  thirty
(30) days thereafter, the Company at its expense (including the payment by it of
any  applicable  issue  taxes) will  cause  to be  issued  in the  name  of, and
delivered to, the Holder hereof, or as such Holder (upon payment of such  Holder
of  any applicable transfer taxes) may direct, (i) a certificate or certificates
for the  number of  Shares to  which such  Holder shall  be entitled  upon  such
exercise and (ii) if this Warrant is not exercised in full, a warrant containing
terms identical to herein, provided the number of Shares subject to this Warrant
shall  be reduced by the number of Shares exercised by delivery of the Notice of
Exercise pursuant to Section 1.

    3.   ADJUSTMENT PROVISIONS.    If there  is  any capital  reorganization  or
reclassification  of the stock of the Company  or any consolidation or merger of
the Company  with  any  other  corporation  or  corporations,  or  the  sale  or
distribution  of all or substantially all  of the Company's property and assets,
adequate provision shall be made by the  Company so that there shall remain  and
be  substituted under this Warrant the shares, securities, or assets which would
have been issuable or payable in respect  to or in exchange for the shares  then
subject  to this Warrant, as if the Holder  had been the owner of such shares on
the applicable record  date. Any  securities so substituted  under this  Warrant
shall  be subject to adjustment as provided in this paragraph in the same manner
and to the same effect as the shares subject to this Warrant.

    4.  NOTICES OF RECORD DATE, ETC.  In the event of any taking by the  Company
of  a  record of  the holders  of any  class  of securities  for the  purpose of
determining the holders thereof who are entitled to receive any dividend  (other
than  a cash dividend  at the same  rate as the  rate of the  last cash dividend
theretofore paid) or  other distribution (the  "Distribution") the Company  will
mail  or cause to be mailed to the Holder of the Warrant a notice specifying the
date of  any such  Distribution and  stating the  amount and  character of  such
Distribution.  Such notice shall be  mailed at least ten  (10) days prior to the
date therein specified.

                                      A-38
<PAGE>
    5.    REPLACEMENT  OF  WARRANT.     Upon  receipt  of  evidence   reasonably
satisfactory  to the  Company of the  loss, theft, destruction  or mutilation of
this Warrant and,  in the  case of  any such  loss, theft  or destruction,  upon
delivery of an indemnity agreement reasonably satisfactory in form and amount to
the  Company  or,  in  the  case of  any  such  mutilation,  upon  surrender and
cancellation of  this Warrant,  the  Company at  its  expense will  execute  and
deliver, in lieu thereof, a new warrant of like tenor.

    6.  NEGOTIABILITY, ETC.  This Warrant may be transferred in whole or in part
by  the  Holder  and the  terms  hereof  shall be  binding  upon  the executors,
administrators, heirs and assigns of the Holder.

    7.  NOTICES, ETC.  All notices  and other communications shall be mailed  by
first class mail, postage prepaid, at such address as may have been furnished in
writing by the receiving party.

    8.   GOVERNING LAW, HEADINGS.  This  Warrant is being delivered in the State
of California  and  shall be  construed  and  enforced in  accordance  with  and
governed  by  the laws  of  such State.  The headings  of  this Warrant  are for
purposes of reference only, and shall not  limit or otherwise affect any of  the
terms hereof.

    9.  CONVERSION OF WARRANT.

        A.   RIGHT TO CONVERT.  In  addition to, and without limiting, the other
    rights of  the  Holder hereunder,  the  Holder  shall have  the  right  (the
    "Conversion  Right") to convert this Warrant  or any part hereof into Shares
    at any time and from time to  time during the term hereof. Upon exercise  of
    the  Conversion Right  with respect  to a  particular number  of Shares (the
    "Converted Shares"),  the  Company  shall deliver  to  the  Holder,  without
    payment  by  the  Holder  of  any  Purchase  Price  or  any  cash  or  other
    consideration, that number of Shares computed using the following formula.

<TABLE>
<C>              <S>
                 X =B-A
                      Y
Where:      X =  The number of Shares to be issued to the Holder.
            Y =  The Fair Market Value of one Share as of the Conversion Date. The Fair Market Value shall be the
                 average closing price of the Company's Common Stock on the five trading days prior to the Conversion
                 Date.
            B =  The Aggregate Fair Market Value (I.E., Fair Market Value X Converted Shares).
            A =  The Aggregate Purchase Price (I.E., Purchase Price X Converted Shares).
</TABLE>

        (b)  METHOD OF EXERCISE.  The  Conversion Right may be exercised by  the
    Holder  by the surrender of this  Warrant at the Company's principal office,
    together with a  written statement (the  "Conversion Statement")  specifying
    that  the Holder intends to exercise the Conversion Right and indicating the
    number of Shares to be acquired upon exercise of the Conversion Right.  Such
    conversion  shall be effective  upon the Company's  receipt of this Warrant,
    together with  the  Conversion  Statement,  or on  such  later  date  as  is
    specified  in the Conversion Statement (the "Conversion Date"). Certificates
    for the  Shares  so acquired  shall  be delivered  to  the Holder  within  a
    reasonable  time, not exceeding thirty (30)  days after the Conversion Date.
    If applicable,  the  Company  shall,  upon surrender  of  this  Warrant  for
    cancellation,  deliver a new Warrant evidencing  the rights of the Holder to
    purchase the balance  of the  Shares which  Holder is  entitled to  purchase
    hereunder.  The issuance  of Shares upon  exercise of this  Warrant shall be
    made without charge to the Holder for any issuance tax with respect  thereto
    or  any other cost incurred by the Company in connection with the conversion
    of this Warrant and the related issuance of Shares.
    Dated: ________, 1995                 ICOT CORPORATION
                                          By: __________________________________
                                          Its: _________________________________

                                      A-39
<PAGE>
                                  ATTACHMENT 1

NOTICE OF EXERCISE
TO: ICOT CORPORATION
    P.O. Box 5143
    3801 Zanker Road
    San Jose, CA 95150

    1.  The undersigned hereby elects to  acquire          shares of the  Common
Stock  of ICOT Corporation,  pursuant to the  terms of the  attached Warrant, by
exercise or conversion of           shares and  tenders herewith payment of  the
purchase price in full, together with all applicable transfer taxes, if any.

    2.   Please issue a certificate  or certificates representing said shares of
Common Stock  in the  name  of the  undersigned  or in  such  other name  as  is
specified below:
                       __________________________________
                                     (Name)
                       __________________________________
                                   (Address)
______________________________________    ______________________________________
(Date)                                      (Name of Warrant Holder)
                                            By: ________________________________
                                            Title: _____________________________
                                            (Name  of  purchaser, and  title and
                                            signature of authorized person)

                                      A-40
<PAGE>
                                 EXHIBIT 12.13
                                VOTING AGREEMENT

    Voting Agreement dated as of August   , 1995, by                   in  favor
of   ICOT  Corporation,   a  Delaware   corporation  ("ICOT"),   IA  Acquisition
Corporation,  a  California  corporation  ("IAAC"),  and  Amati   Communications
Corporation, a California corporation ("Amati").

    THE UNDERSIGNED AGREES AS FOLLOWS:

    1.   VOTING OF  SHARES.  To  induce ICOT, IAAC  and Amati to  enter into the
attached Amended and Restated  Agreement and Plan  of Reorganization and  Merger
dated  August 3, 1995,  to effect the merger  described therein, the undersigned
shareholder of ICOT agrees  to vote all  shares of capital  stock of ICOT  which
such  holder owns or controls, beneficially or otherwise, in favor of the merger
described therein if such merger is presented to the shareholders of ICOT on  or
before  October 31, 1995 for approval. This  Voting Agreement is executed by the
undersigned solely in the  undersigned's capacity as a  shareholder of ICOT  and
shall not affect the duties of the undersigned as a director of ICOT.

    2.  BENEFIT OF AGREEMENT.  This Voting Agreement is for the benefit of ICOT,
IAAC and Amati and may be enforced by any person benefitted hereby.

    3.   ENFORCEMENT  OF AGREEMENT.   This Voting  Agreement may  be enforced by
specific performance. If the undersigned fails to comply with the provisions  of
this  Voting Agreement, the undersigned shall  pay the reasonable legal fees and
expenses incurred by any person benefitted by this Voting Agreement in enforcing
this Voting Agreement.

    IN WITNESS WHEREOF, the undersigned has executed this Voting Agreement as of
the day and year noted above.
                                          ______________________________________
                                          Signature
                                          ______________________________________
                                          Print name of shareholder

                                      A-41
<PAGE>
                                 EXHIBIT 12.14
                               IRREVOCABLE PROXY

    The  undersigned  shareholder   of  Amati   Communications  Corporation,   a
California   corporation  ("Amati"),  who  owns  or  controls,  beneficially  or
otherwise, the number and  description of securities of  Amati set forth  below,
hereby  revokes all previous  proxies and appoints  ICOT Corporation, a Delaware
corporation ("ICOT"), as  proxyholder to  attend and  vote all  shares of  Amati
capital stock which the undersigned owns or controls, beneficially or otherwise,
including any shares acquired during the term of this proxy through the exercise
of  options or  warrants, at  any and  all meetings  of the  shareholders of the
corporation, and any  adjournments thereof,  held on or  after the  date of  the
giving  of this proxy and prior to the  termination of this proxy and to execute
any and all written consents of  shareholders of the corporation executed on  or
after  the date of the giving of this proxy and prior to the termination of this
proxy, with the same  effect as if the  undersigned had personally attended  the
meeting  or had personally voted the shares or had personally signed the written
consent; provided, however, that the undersigned expressly reserves the right to
vote on  the following  matters:  (1) the  merger  or other  reorganization,  as
defined in Section 181 of the California Corporations Code, of Amati or the sale
of  all or substantially all of Amati's assets for other consideration, in which
ICOT is, directly or indirectly, the  acquiring party, other than the Merger  as
defined  in the  Amended and Restated  Agreement and Plan  of Reorganization and
Merger among ICOT, Amati  and IA Acquisition Corporation  dated August 3,  1995;
(2)  the  merger or  other  reorganization, as  defined  in Section  181  of the
California Corporations Code, of Amati, or the sale of all or substantially  all
of  Amati's assets for other consideration, if  in such transaction the value of
Amati (in the case of a noncash transaction, as determined in good faith by  the
Board  of Directors of Amati) is less  than $10 million; (3) the dissolution and
liquidation of Amati; and (4) any amendment  to the articles of Amati to  change
the  rights,  preferences,  privileges or  restrictions  of the  Amati  Series A
Preferred Stock.

    The undersigned authorizes and  directs the proxyholder  to file this  proxy
appointment  with  the  secretary of  Amati  and authorizes  the  proxyholder to
substitute another person as proxyholder and to file the substitution instrument
with the secretary of Amati.

    This proxy is given  in consideration for (a)  the continuation of loans  in
the  aggregate  principal  amount of  $3,400,000  and  (b) the  extension  of an
additional loan in the aggregate principal amount of up to $1,600,000,  provided
by  ICOT to  Amati as  evidenced by  the Senior  Secured Promissory  Note in the
aggregate principal  amount  of  $5,000,000  dated  August     ,  1995,  and  is
irrevocable  pursuant to paragraph (3) of subdivision  (e) of Section 705 of the
Code until its termination on July 31, 1996.

    IN WITNESS WHEREOF, the undersigned  has executed this Irrevocable Proxy  as
of the day and year noted above.
                                          ______________________________________
                                          Signature
                                          ______________________________________
                                          Print name of shareholder

Dated: August   , 1995

Number  and description of  Amati securities beneficially  or otherwise owned by
the undersigned:
____ shares of Common Stock
____ shares of Series A Preferred Stock
Options to purchase ____ shares of Common Stock
Warrants in aggregate principal amount of $________

                                      A-42
<PAGE>
   
                  AMENDMENT TO AMENDED AND RESTATED AGREEMENT
                     AND PLAN OF REORGANIZATION AND MERGER
    

   
    This  Amendment  to  the  Amended   and  Restated  Agreement  and  Plan   of
Reorganization and Merger ("Amendment") is made as of October 6, 1995 among ICOT
Corporation,  a  Delaware corporation  ("ICOT"),  IA Acquisition  Corporation, a
California corporation and wholly-owned subsidiary  of ICOT ("IAAC"), and  Amati
Communications Corporation, a California corporation ("Amati").
    

   
                                   BACKGROUND
    

   
    A.   The parties to  this Amendment are parties  to the Amended and Restated
Agreement and Plan of Reorganization and Merger dated as of August 3, 1995  (the
"Agreement"); and
    

   
    B.  The parties desire to amend the Agreement in certain respects, including
to  reverse the  direction of the  Merger such  that IAAC will  be the surviving
corporation.
    

   
    In consideration of the mutual premises and agreements set forth herein, THE
PARTIES AGREE AS FOLLOWS:
    

   
                                   ARTICLE 1
                                  DEFINITIONS
    

   
    Capitalized terms used herein without definition have the meanings  assigned
in the Agreement.
    

   
                                   ARTICLE II
                            AMENDMENTS TO AGREEMENT
    

   
    The Agreement is amended as follows:
    

   
    2.1 Section 1.34 is amended to read as follows:
    

   
       MERGER.   "Merger" shall mean  the merger of Amati  with and into IAAC in
       accordance with this Agreement, the Merger Agreement and applicable law.
    

   
    2.2 Section 2.1 is amended by  replacing the words "whereupon IAAC shall  be
merger with and into Amati" with the words "whereupon Amati shall be merged with
and into IAAC."
    

   
    2.3 Section 2.3 is amended by deleting paragraph (a) thereof.
    

   
    2.4  Section  8.15  is amended  by  replacing  the date  "October  31, 1995"
referred to therein  with the date  "November 30, 1995,"  the date "October  31,
1996"  referred  to therein  with the  date  "November 30,  1996," and  the date
"November 1, 1996"  referred to therein  with the date  "December 1, 1996,"  and
Exhibit 8.15 is revised accordingly.
    

   
    2.5  Section  11.1  is amended  by  replacing  the date  "October  31, 1995"
referred to therein with the date "November 30, 1995."
    

   
    2.6 Section  11.2  is amended  by  replacing  the date  "October  31,  1995"
referred to therein with the date "November 30, 1995."
    

   
    2.7  Exhibit B, the Merger Agreement, is  replaced by the Exhibit B attached
hereto.
    

                                      A-43
<PAGE>
   
                                  ARTICLE III
                         NO OTHER CHANGES; COUNTERPARTS
    

   
    3.1 Except as  expressly set  forth herein,  the Agreement  remains in  full
force and effect in accordance with its terms.
    

   
    3.2  This Amendment may  be executed in  any number of  counterparts, all of
which taken together  shall constitute  one and  the same  instrument, and  each
fully executed counterpart shall be deemed an original.
    

   
    IN  WITNESS WHEREOF, ICOT, Amati and IAAC have executed this Amendment as of
the date first above written.
    

   
                                          ICOT CORPORATION
    

   
                                          By: Terry Medel_______________________
    
   
                                          Title: Secretary______________________
    

   
                                          AMATI COMMUNICATIONS CORPORATION
    

   
                                          By: Lalo Valdez_______________________
    
   
                                          Title: Chief Financial Officer________
    

   
                                          IA ACQUISITION CORPORATION
    

   
                                          By: Terry Medel_______________________
    
   
                                          Title: Secretary______________________
    

                                      A-44
<PAGE>
                                   APPENDIX B
                              AGREEMENT OF MERGER

   
    THIS AGREEMENT OF MERGER ("Agreement of Merger") is made as of November    ,
1995,  by  and  among  ICOT Corporation,  a  Delaware  corporation  ("ICOT"), IA
Acquisition Corporation, a California corporation and wholly-owned subsidiary of
ICOT  (the  "Company"),  and  Amati  Communications  Corporation,  a  California
corporation ("Amati").
    

                                   BACKGROUND

   
    The  parties desire  that Amati  be merged  with and  into the  Company (the
"Merger"), and that  the Company be  the surviving corporation  pursuant to  the
terms and conditions of this Agreement of Merger.
    

    THE PARTIES AGREE AS FOLLOWS:

   
    1.  THE MERGER.  Upon the filing (the "Effective Time") of this Agreement of
Merger and the related officers' certificates with the Secretary of State of the
State  of California in accordance with  the California Corporations Code, Amati
shall be merged with and  into the Company. The  Company shall be the  surviving
corporation.
    

   
    2.   CONVERSION OF OUTSTANDING SHARES OF AMATI COMMON.  Subject to Section 4
of this Agreement of Merger, each share of Common Stock, no par value, of  Amati
("Amati Common") outstanding immediately prior to the Effective Time, other than
shares which become "dissenting shares" within the meaning of Section 1300(b) of
the California Corporations Code, shall, by virtue of the Merger and without any
action  on  the part  of  the holder  thereof,  be converted  at  and as  of the
Effective Time into         shares of ICOT Common Stock, $.20 par value, of ICOT
("ICOT Common").  Holders of  shares  of Amati  Common which  become  dissenting
shares  shall have  all rights,  but no other  rights, of  holders of dissenting
shares under Sections 1300 ET SEQ. of the California Corporations Code.
    

   
    3.  CONVERSION OF OUTSTANDING SHARES OF AMATI PREFERRED.  Subject to Section
4 of this Agreement of Merger, each  share of Series A Preferred Stock of  Amati
("Amati  Preferred") outstanding immediately prior  to the Effective Time, other
than shares  which become  "dissenting  shares" within  the meaning  of  Section
1300(b)  of the California Corporations Code, shall, by virtue of the Merger and
without any action on the part of the  holder thereof be converted at and as  of
the  Effective  Time into  shares of  ICOT  Common. Holders  of shares  of Amati
Preferred which become  dissenting shares shall  have all rights,  but no  other
rights,  of holders  of dissenting  shares under  Sections 1300  ET SEQ.  of the
California Corporations Code.
    

   
    4.  FRACTIONAL SHARES.   Holders of Amati  Common and Amati Preferred  shall
receive  only whole shares  of ICOT Common;  in lieu of  any fractional share of
ICOT Common,  holders  shall receive  in  cash the  fair  market value  of  such
fractional  share valuing ICOT Common at the  average of the high and low prices
of the ICOT Common on the Nasdaq National Market on the trading day  immediately
preceding the Effective Time as listed in THE WALL STREET JOURNAL.
    

   
    5.    CONVERSION OF  AMATI  OPTIONS.   At the  Effective  Time, each  of the
outstanding options to purchase Amati  Common ("Amati Option") issued under  the
Amati  1992 Stock  Option Plan (the  "Amati Plan") shall  thereafter entitle the
holder thereof to receive, upon exercise thereof, that number of shares of  ICOT
Common  determined by  multiplying the  shares of  Amati Common  subject to such
Company Option at the Effective Time by         , at an exercise price for  each
full  share of ICOT Common equal to the exercise price per share of Amati Common
divided by         ,  which exercise price per share shall be rounded up to  the
nearest  two-place decimal.  The number  of shares  of ICOT  Common that  may be
purchased by a holder on the exercise of any Amati Option shall not include  any
fractional  share of  ICOT Common but  shall be  rounded down to  the next lower
whole share of ICOT Common. ICOT shall assume in full such Amati Options and all
of Amati's other rights
    

                                      B-1
<PAGE>
   
and obligations under the Amati Plan. Continuous employment with Amati shall  be
credited to an optionee for purposes of determining the number of shares subject
to exercise, vesting or repurchase after the Effective Time.
    

   
    6.  AMATI WARRANTS.  At the Effective Time, each of the outstanding warrants
(the  "Amati Warrants") to purchase Amati Common  or Series B Preferred Stock of
Amati (in the  event that such  series had  been authorized by  Amati) shall  be
exchanged  for  a  warrant to  purchase  shares  of ICOT  Common  (a "Substitute
Warrant"). Those Amati Warrants  exercisable at the exercise  price of $9 or  $6
per  share (the  "Exercise Price")  will be  exchanged for  a Substitute Warrant
exercisable for that number of shares  of ICOT Common determined by  multiplying
the  shares of Amati Common subject to  such Amati Warrant at the Effective Time
by          , at an exercise price for  each full share of ICOT Common equal  to
the  Exercise Price divided by         , which exercise price per share shall be
rounded up to the nearest two-place decimal. Those Amati Warrants exercisable at
fair market value  will be exchanged  for a Substitute  Warrant exercisable  for
that  number  of shares  of  ICOT Common  determined  by dividing  the aggregate
purchase price of the Amati  Warrant by           at an exercise price for  each
full share of ICOT Common equal to         . The number of shares of ICOT Common
that  may be purchased by a holder on the exercise of a Substitute Warrant shall
not include any fractional share of ICOT Common but shall be rounded down to the
next lower whole share of ICOT Common.
    

   
    7.  OTHER EFFECTS OF THE MERGER.   The other effects of the Merger shall  be
as prescribed by law.
    

                                      B-2
<PAGE>
   
    IN WITNESS WHEREOF, ICOT, the Company and Amati have executed this Agreement
of Merger as of the first date written above.
    

                                          ICOT CORPORATION
                                          By: __________________________________
                                             Aamer Latif, President
                                          By: __________________________________
                                             Terry Medel, Secretary
                                          IA ACQUISITION CORPORATION
                                          By: __________________________________
                                             Aamer Latif, President
                                          By: __________________________________
                                             Terry Medel, Secretary
                                          AMATI COMMUNICATIONS CORPORATION
                                          By: __________________________________
                                             James F. Gibbons, Chairman
                                          By: __________________________________
                                             John M. Cioffi, Secretary

                                      B-3
<PAGE>
                      OFFICERS' CERTIFICATE OF APPROVAL OF
                              AGREEMENT OF MERGER

    Aamer Latif and Terry Medel certify as follows:

    1.    We  are  the  President  and  the  Secretary,  respectively,  of  ICOT
Corporation, a Delaware corporation (the "Corporation").

    2.  The Agreement of  Merger by and among  the Corporation, IAAC and  Amati,
dated  October   , 1995 to which this Certificate is attached (the "Agreement of
Merger"), was duly approved  by the board of  directors and the stockholders  of
the Corporation.

    3.   The Corporation has one class  of shares outstanding, Common Stock. The
total number of outstanding  shares of the Corporation  entitled to vote on  the
Agreement  of  Merger was              .  The percentage  vote required  was the
affirmative vote of a  majority of the outstanding  shares of Common Stock.  The
Agreement  of Merger was approved by          shares of the Corporation's Common
Stock, which equaled or exceeded the vote required.

   
    We further declare under  penalty of perjury that  the matters set forth  in
this  Certificate are  true and  correct of our  own knowledge.  Executed at San
Jose, California on November   , 1995.
    
                                          ______________________________________
                                          Aamer Latif, President
                                          ______________________________________
                                          Terry Medel, Secretary

                                      B-4
<PAGE>
                      OFFICERS' CERTIFICATE OF APPROVAL OF
                              AGREEMENT OF MERGER

    James F. Gibbons and John M. Cioffi certify as follows:

    1.   We  are  the  President  and  the  Secretary,  respectively,  of  Amati
Communications Corporation, a California corporation (the "Corporation").

    2.   The Agreement  of Merger by  and among ICOT,  IAAC and the Corporation,
dated October   , 1995 to which this Certificate is attached (the "Agreement  of
Merger"),  was duly approved by  the board of directors  and the shareholders of
the Corporation.

    3.  The Corporation has two classes of shares outstanding, Common Stock  and
Series  A Preferred Stock  ("Preferred Stock"). The  total number of outstanding
shares of  the Corporation  entitled to  vote  on the  Agreement of  Merger  was
        shares  of Common  Stock and             shares of  Preferred Stock. The
percentage vote  required  was  the  affirmative  vote  of  a  majority  of  the
outstanding  shares of the  Corporation's Common Stock entitled  to vote and the
outstanding shares of the Corporation's Preferred Stock entitled to vote, voting
on an as converted basis together with the Common Stock. The Agreement of Merger
was approved by the vote of           of the outstanding shares of Common  Stock
and            of  the outstanding shares  of Preferred Stock,  which equaled or
exceeded the vote required.

   
    We further declare under  penalty of perjury that  the matters set forth  in
this Certificate are true and correct of our own knowledge. Executed at Mountain
View, California on November   , 1995.
    
                                          ______________________________________
                                          James F. Gibbons, Chairman
                                          ______________________________________
                                          John M. Cioffi, Secretary

                                      B-5
<PAGE>
                      OFFICERS' CERTIFICATE OF APPROVAL OF
                              AGREEMENT OF MERGER

    Aamer Latif and Terry Medel certify as follows:

    1.   We are the President and the Secretary, respectively, of IA Acquisition
Corporation, a California corporation (the "Corporation").

    2.  The Agreement of  Merger by and among  ICOT, Amati, and the  Corporation
dated  October   , 1995 to which this Certificate is attached (the "Agreement of
Merger"), was duly approved  by the board of  directors and the shareholders  of
the Corporation.

    3.   The Corporation has one class  of shares outstanding, Common Stock. The
total number of outstanding  shares of the Corporation  entitled to vote on  the
Agreement  of  Merger was  1,000  shares of  Common  Stock. The  percentage vote
required was the affirmative vote of a majority of the outstanding shares of the
Corporation's Common  Stock  entitled  to  vote. The  Agreement  of  Merger  was
approved  by the vote  of all of  the shares of  the Corporation's Common Stock,
which equaled or exceeded the vote required.

   
    We further declare under  penalty of perjury that  the matters set forth  in
this  Certificate are  true and  correct of our  own knowledge.  Executed at San
Jose, California on November   , 1995.
    
                                          ______________________________________
                                          Aamer Latif, President
                                          ______________________________________
                                          Terry Medel, Secretary

                                      B-6
<PAGE>
                                   APPENDIX C
                               DISSENTERS' RIGHTS

    Full text of Chapter 13 of the California Corporations Code

SECTION 1300.  RIGHT TO REQUIRE PURCHASE -- "DISSENTING SHARES" AND "DISSENTING
SHAREHOLDER" DEFINED.

    (a) If the approval of the outstanding shares (Section 152) of a corporation
is required for a reorganization under  subdivisions (a) and (b) or  subdivision
(e) of Section 1201, each shareholder of the corporation entitled to vote on the
transaction  and each  shareholder of a  subsidiary corporation  in a short-form
merger may, by complying with this chapter, require the corporation in which the
shareholder holds shares  to purchase for  cash at their  fair market value  the
shares  owned  by the  shareholder  which are  dissenting  shares as  defined in
subdivision (b). The fair market value shall be determined as of the day  before
the first announcement of the terms of the proposed reorganization or short-form
merger,  excluding  any  appreciation  or  depreciation  in  consequence  of the
proposed action, but adjusted for any stock split, reverse stock split or  share
dividend which becomes effective thereafter.

    (b)  As used  in this chapter,  "dissenting shares" means  shares which come
within all of the following descriptions:

        (1) Which were not immediately prior to the reorganization or short-form
    merger either (i) listed  on any national  securities exchange certified  by
    the  Commissioner of Corporations under subdivision  (o) of Section 25100 or
    (ii) listed  on  the list  of  OTC margin  stocks  issued by  the  Board  of
    Governors  of  the Federal  Reserve  System, and  the  notice of  meeting of
    shareholders to  act upon  the reorganization  summarizes this  section  and
    Sections  1301, 1302, 1303 and 1304;  provided, however, that this provision
    does not  apply  to  any shares  with  respect  to which  there  exists  any
    restriction  on  transfer  imposed  by  the corporation  or  by  any  law or
    regulation; and provided, further, that this provision does not apply to any
    class of shares described in clause (i)  or (ii) if demands for payment  are
    filed  with respect to 5  percent or more of  the outstanding shares of that
    class.

        (2) Which  were  outstanding  on  the  date  for  the  determination  of
    shareholders  entitled to vote on the  reorganization and (i) were not voted
    in favor of the reorganization or, (ii)  if described in clause (i) or  (ii)
    of  paragraph (1) (without  regard to the provisos  in that paragraph), were
    voted against  the reorganization,  or  which were  held  of record  on  the
    effective  date of a  short-form merger; provided,  however, that clause (i)
    rather than clause  (ii) of  this paragraph applies  in any  case where  the
    approval  required by Section 1201 is  sought by written consent rather than
    at a meeting.

        (3) Which the dissenting shareholder  has demanded that the  corporation
    purchase at their fair market value, in accordance with Section 1301.

        (4)  Which the dissenting shareholder  has submitted for endorsement, in
    accordance with Section 1302.

    (c) As used in this chapter, "dissenting shareholder" means the recordholder
of dissenting shares and includes a transferee of record.

SECTION 1301.  DEMAND FOR PURCHASE.

    (a) If, in the case of  a reorganization, any shareholders of a  corporation
have  a right under Section 1300, subject  to compliance with paragraphs (3) and
(4) of subdivision  (b) thereof, to  require the corporation  to purchase  their
shares  for cash, such corporation shall mail  to each such shareholder a notice
of the approval of  the reorganization by its  outstanding shares (Section  152)
within  10  days after  the  date of  such approval,  accompanied  by a  copy of
Sections 1300,  1302, 1303,  1304 and  this section,  a statement  of the  price
determined  by  the  corporation  to  represent the  fair  market  value  of the
dissenting shares, and a  brief description of the  procedure to be followed  if
the shareholder desires

                                      C-1
<PAGE>
to  exercise the shareholder's right under such sections. The statement of price
constitutes an offer  by the  corporation to purchase  at the  price stated  any
dissenting  shares as  defined in subdivision  (b) of Section  1300, unless they
lose their status as dissenting shares under Section 1309.

    (b) Any shareholder who has a  right to require the corporation to  purchase
the shareholder's shares for cash under Section 1300, subject to compliance with
paragraphs  (3)  and  (4)  of  subdivision  (b)  thereof,  and  who  desires the
corporation  to  purchase  such  shares  shall  make  written  demand  upon  the
corporation  for the purchase of  such shares and payment  to the shareholder in
cash of their fair  market value. The  demand is not  effective for any  purpose
unless  it is received by  the corporation or any  transfer agent thereof (1) in
the case  of  shares  described in  clause  (i)  or (ii)  of  paragraph  (1)  of
subdivision  (b)  of  Section  1300  (without regard  to  the  provisos  in that
paragraph), not later than  the date of the  shareholders' meeting to vote  upon
the  reorganization, or (2) in  any other case within 30  days after the date on
which the  notice  of  the  approval  by  the  outstanding  shares  pursuant  to
subdivision  (a) or the notice  pursuant to subdivision (i)  of Section 1110 was
mailed to the shareholder.

    (c) The demand shall state the number and class of the shares held of record
by the shareholder which the  shareholder demands that the corporation  purchase
and  shall contain a  statement of what  such shareholder claims  to be the fair
market value  of those  shares as  of the  day before  the announcement  of  the
proposed reorganization or short-form merger. The statement of fair market value
constitutes an offer by the shareholder to sell the shares at such price.

SECTION 1302.  ENDORSEMENT OF SHARES.

    Within  30  days after  the  date on  which notice  of  the approval  by the
outstanding shares or the notice pursuant to subdivision (i) of Section 1110 was
mailed to the shareholder,  the shareholder shall submit  to the corporation  at
its  principal office or at the office of any transfer agent thereof, (a) if the
shares are certificated securities, the shareholder's certificates  representing
any  shares which the  shareholder demands that the  corporation purchase, to be
stamped or endorsed with a statement that the shares are dissenting shares or to
be exchanged for certificates of appropriate denomination so stamped or endorsed
or (b) if the shares are uncertificated securities, written notice of the number
of shares  which the  shareholder demands  that the  corporation purchase.  Upon
subsequent  transfers of the dissenting shares  on the books of the corporation,
the  new  certificates,  initial   transaction  statement,  and  other   written
statements  issued therefor shall bear a  like statement, together with the name
of the original dissenting holder of the shares.

SECTION 1303.  AGREED PRICE -- TIME FOR PAYMENT.

    (a) If  the  corporation and  the  shareholder  agree that  the  shares  are
dissenting  shares  and  agree upon  the  price  of the  shares,  the dissenting
shareholder is entitled to the agreed  price with interest thereon at the  legal
rate on judgments from the date of the agreement. Any agreements fixing the fair
market value of any dissenting shares as between the corporation and the holders
thereof shall be filed with the secretary of the corporation.

    (b)  Subject to the provisions  of Section 1306, payment  of the fair market
value of dissenting shares shall be made within 30 days after the amount thereof
has been agreed or within 30 days after any statutory or contractual  conditions
to  the reorganization  are satisfied,  whichever is later,  and in  the case of
certificated securities,  subject to  surrender  of the  certificates  therefor,
unless provided otherwise by agreement.

SECTION 1304.  DISSENTER'S ACTION TO ENFORCE PAYMENT.

    (a)  If the corporation denies that the shares are dissenting shares, or the
corporation and the shareholder fail to agree upon the fair market value of  the
shares,  then the  shareholder demanding purchase  of such  shares as dissenting
shares or any interested corporation, within six months after the date on  which
notice  of  the  approval by  the  outstanding  shares (Section  152)  or notice
pursuant to subdivision (i) of Section  1110 was mailed to the shareholder,  but
not thereafter, may file a complaint

                                      C-2
<PAGE>
in  the  superior court  of the  proper  county praying  the court  to determine
whether the  shares  are dissenting  shares  or the  fair  market value  of  the
dissenting  shares or  both or  may intervene  in any  action pending  on such a
complaint.

    (b) Two or more dissenting shareholders may join as plaintiffs or be  joined
as  defendants  in  any  such  action  and  two  or  more  such  actions  may be
consolidated.

    (c) On the trial of the action, the court shall determine the issues. If the
status of the shares  as dissenting shares  is in issue,  the court shall  first
determine  that issue. If the  fair market value of  the dissenting shares is in
issue, the  court  shall determine,  or  shall  appoint one  or  more  impartial
appraisers to determine, the fair market value of the shares.

SECTION 1305.  APPRAISERS' REPORT -- PAYMENT -- COSTS.

    (a)  If the  court appoints an  appraiser or appraisers,  they shall proceed
forthwith to determine the fair market value per share. Within the time fixed by
the court, the appraisers, or a majority  of them, shall make and file a  report
in  the office of the clerk of the court. Thereupon, on the motion of any party,
the report shall be submitted  to the court and  considered on such evidence  as
the  court considers  relevant. If  the court  finds the  report reasonable, the
court may confirm it.

    (b) If a majority of the appraisers appointed fail to make and file a report
within 10 days from the date of their appointment or within such further time as
may be allowed by  the court or the  report is not confirmed  by the court,  the
court shall determine the fair market value of the dissenting shares.

    (c)  Subject to the  provisions of Section 1306,  judgment shall be rendered
against the corporation for payment of an amount equal to the fair market  value
of each dissenting share multiplied by the number of dissenting shares which any
dissenting  shareholder who is  a party, or  who has intervened,  is entitled to
require the corporation  to purchase, with  interest thereon at  the legal  rate
from the date on which judgment was entered.

    (d)   Any  such  judgment  shall  be   payable  forthwith  with  respect  to
uncertificated securities and, with respect  to certified securities, only  upon
the  endorsement and  delivery to  the corporation  of the  certificates for the
shares described in the judgment. Any party may appeal from the judgment.

    (e) The  costs  of the  action,  including reasonable  compensation  to  the
appraisers  to be fixed  by the court,  shall be assessed  or apportioned as the
court considers equitable, but,  if the appraisal exceeds  the price offered  by
the  corporation,  the  corporation  shall  pay  the  costs  (including  in  the
discretion of the court attorneys' fees,  fees of expert witnesses and  interest
at  the legal rate on judgments from  the date of compliance with Sections 1300,
1301 and 1302 if the value awarded by the court for the shares is more than  125
percent of the price offered by the corporation under subdivision (a) of Section
1301).

SECTION 1306.  DISSENTING SHAREHOLDER'S STATUS AS CREDITOR.

    To  the extent that the  provisions of Chapter 5  prevent the payment to any
holders of  dissenting shares  of their  fair market  value, they  shall  become
creditors  of the corporation  for the amount thereof  together with interest at
the legal rate on judgments  until the date of  payment, but subordinate to  all
other  creditors in  any liquidation  proceeding, such  debt to  be payable when
permissible under the provisions of Chapter 5.

SECTION 1307.  DIVIDENDS PAID AS CREDIT AGAINST PAYMENT.

    Cash dividends  declared and  paid by  the corporation  upon the  dissenting
shares  after  the date  of approval  of the  reorganization by  the outstanding
shares (Section 152)  and prior  to payment for  the shares  by the  corporation
shall  be  credited against  the  total amount  to  be paid  by  the corporation
therefor.

                                      C-3
<PAGE>
SECTION 1308.  CONTINUING RIGHTS AND PRIVILEGES OF DISSENTING SHAREHOLDERS.

    Except as expressly limited  in this chapter,  holders of dissenting  shares
continue  to have all the rights and  privileges incident to their shares, until
the fair market value of their shares is agreed upon or determined. A dissenting
shareholder may  not  withdraw  a  demand for  payment  unless  the  corporation
consents thereto.

SECTION 1309.  TERMINATION OF DISSENTING SHAREHOLDER STATUS.

    Dissenting  shares lose  their status as  dissenting shares  and the holders
thereof cease to be dissenting shareholders and cease to be entitled to  require
the  corporation  to purchase  their shares  upon  the happening  of any  of the
following:

    (a) The corporation  abandons the  reorganization. Upon  abandonment of  the
reorganization,   the  corporation  shall  pay   on  demand  to  any  dissenting
shareholder who has initiated proceedings in  good faith under this chapter  all
necessary expenses incurred in such proceedings and reasonable attorney's fees.

    (b)  The shares are transferred prior to their submission for endorsement in
accordance with Section 1302  or are surrendered for  conversion into shares  of
another class in accordance with the articles.

    (c)  The dissenting  shareholder and the  corporation do not  agree upon the
status of the  shares as dissenting  shares or  upon the purchase  price of  the
shares,  and neither  files a  complaint or  intervenes in  a pending  action as
provided in Section 1304, within  six months after the  date on which notice  of
the  approval by the outstanding shares or notice pursuant to subdivision (i) of
Section 1110 was mailed to the shareholder.

    (d) The  dissenting  shareholder,  with  the  consent  of  the  corporation,
withdraws the shareholder's demand for purchase of the dissenting shares.

SECTION 1310.  SUSPENSION OF PROCEEDINGS FOR PAYMENT PENDING LITIGATION.

    If  litigation is  instituted to test  the sufficiency or  regularity of the
votes of the shareholders in authorizing a reorganization, any proceedings under
Section 1304  and 1305  shall be  suspended until  final determination  of  such
litigation.

SECTION 1311.  EXEMPT SHARES.

    This chapter, except Section 1312, does not apply to classes of shares whose
terms  and provisions specifically set forth the amount to be paid in respect to
such shares in the event of a reorganization or merger.

SECTION 1312.  ATTACKING VALIDITY OF REORGANIZATION OR MERGER.

    (a) No shareholder of a  corporation who has a  right under this chapter  to
demand  payment of cash  for the shares  held by the  shareholder shall have any
right at  law or  in equity  to attack  the validity  of the  reorganization  or
short-form  merger, or to have the reorganization or short-form merger set aside
or rescinded, except in an action to test whether the number of shares  required
to  authorize or  approve the  reorganization have  been legally  voted in favor
thereof; but  any  holder  of shares  of  a  class whose  terms  and  provisions
specifically  set forth the amount to be paid in respect to them in the event of
a reorganization or short-form merger is entitled to payment in accordance  with
those  terms and provisions or, if the principal terms of the reorganization are
approved pursuant to subdivision (b) of Section 1202, is entitled to payment  in
accordance with the terms and provisions of the approved reorganization.

    (b)  If  one of  the parties  to  a reorganization  or short-form  merger is
directly or  indirectly controlled  by, or  under common  control with,  another
party  to the  reorganization or  short-form merger,  subdivision (a)  shall not
apply to any shareholder of such party who has not demanded payment of cash  for
such  shareholder's  shares pursuant  to this  chapter;  but if  the shareholder
institutes any action to attack the validity of the reorganization or short-form
merger or to have the reorganization

                                      C-4
<PAGE>
or  short-form  merger  set  aside  or  rescinded,  the  shareholder  shall  not
thereafter have any right to demand payment of cash for the shareholder's shares
pursuant  to this chapter. The court in any action attacking the validity of the
reorganization or short-form merger or to have the reorganization or  short-form
merger  set aside or rescinded shall not  restrain or enjoin the consummation of
the transaction except upon 10 days' prior notice to the corporation and upon  a
determination  by the court that clearly no other remedy will adequately protect
the  complaining  shareholder  or  the  class  of  shareholders  of  which  such
shareholder is a member.

    (c)  If  one of  the parties  to  a reorganization  or short-form  merger is
directly or  indirectly controlled  by, or  under common  control with,  another
party  to the reorganization or  short-form merger, in any  action to attack the
validity  of  the   reorganization  or   short-form  merger  or   to  have   the
reorganization  or short-form merger  set aside or  rescinded, (1) a  party to a
reorganization  or  short-form  merger  which  controls  another  party  to  the
reorganization  or short-form merger  shall have the burden  of proving that the
transaction is just  and reasonable  as to  the shareholders  of the  controlled
party,  and (2) a  person who controls  two or more  parties to a reorganization
shall have the burden of proving that the transaction is just and reasonable  as
to the shareholders of any party so controlled.

                                      C-5
<PAGE>

PROXY

        THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS
                            ICOT CORPORATION
                                 PROXY
                    FOR SPECIAL MEETING OF STOCKHOLDERS
                            NOVEMBER 6, 1995

   The undersigned hereby appoints AAMER LATIF and TERRY MEDEL, and
each of them, with full power of substitution, as proxies of the undersigned
to represent and vote all shares of the stock of ICOT Corporation (the
"Company") which the undersigned is entitled to vote at the Special Meeting
of Stockholders of the Company to be held at ICOT Corporation, 3801 Zanker
Road, San Jose, California, on November 6, 1995, at 1:30 p.m., local time,
and at any continuation or adjournment thereof, with all powers which the
undersigned would possess if personally present, upon such business as may
properly come before the meeting, including the following items:

- --------------------------------------------------
         COMMENTS/ADDRESS CHANGE:                 |
PLEASE MARK COMMENT/ADDRESS BOX ON REVERSE SIDE   |
                                                  |
                                                  |
                                                  |
                                                  |
                                                  |
                                                  |    (Continued and to be
                                                  |    signed on other side)
                                                  |
                                                  |
- ------------------------------------------------------------------------------
                            FOLD AND DETACH HERE


<PAGE>


                                        I plan to attend the meeting.
                                                                      --------

1. To approve an Amended and Restated Agreement and Plan of Reorganization
and Merger dated as of August 3, 1995, as amended, and related Agreement
of Merger, among the Company, IA Acquisition Corporation, a California
corporation and a wholly-owned subsidiary of the Company ("IAAC"), and Amati
Communications Corporation, a California corporation ("Amati"), pursuant to
which Amati will be merged with IAAC (the "Merger") and become a wholly-owned
subsidiary of the Company.

                          FOR     AGAINST   ABSTAIN

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

2. To approve, subject to approval of the Merger, an amendment to the
Companys Certificate of Incorporation to change the name of the Company to
"Amati Communications Corporation."

                          FOR     AGAINST   ABSTAIN

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

3. To approve, subject to approval of the Merger, an amendment to the
Companys Certificate of Incorporation to increase the authorized number of
shares of Common Stock.

                          FOR     AGAINST   ABSTAIN

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

4. To approve amendments to the Companys 1990 Stock Option Plan to increase
the number of shares available for issuance thereunder and to limit the
number of shares that may be granted to any participant in any one-year
period.

                          FOR     AGAINST   ABSTAIN

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

5. To vote at their discretion on such other matters as may come before the
meeting or any adjournment thereof.

                          FOR     AGAINST   ABSTAIN

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

   This proxy when properly executed will be voted in the manner directed
herein by the undersigned.

   THE BOARD OF DIRECTORS RECOMMENDS A VOTE "FOR" EACH PROPOSAL AND SHARES
WILL BE SO VOTED UNLESS OTHERWISE INDICATED.

   The majority of said proxies who shall be present and shall act at the
meeting (or if only one shall be present and act, then that one) shall have
and exercise all of the power of the said proxies hereunder.

   The undersigned hereby acknowledges receipt of (a) Notice of the Special
Meeting of Stockholders of the Company to be held November 6, 1995 and (b)
the accompanying Prospectus/Proxy Statement.

   Please sign below exactly as your name appears to the left. When shares
are held by joint tenants, both should sign. When signing as attorney,
executor, administrator, trustee or guardian, please give title as such. If a
corporation, please sign in full corporate name by authorized officer. If a
partnership, please sign in partnership name by authorized person.

Date
     -----------------------------------------------------------------------

     -----------------------------------------------------------------------
                            Signature(s)

PLEASE MARK DATE, SIGN AND RETURN THIS PROXY IN THE ENCLOSED ENVELOPE WHICH
REQUIRES NO POSTAGE IF MAILED IN THE UNITED STATES.


- -------------------------------------------------------------------------------
                        FOLD AND DETACH HERE

<PAGE>
                                    PART II
                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 20. INDEMNIFICATION OF OFFICERS AND DIRECTORS

    The  Restated Certificate of Incorporation of the registrant provides that a
director of the Registrant, to the full extent permitted by the Delaware General
Corporation Law, shall not be liable  to the Registrant or its stockholders  for
monetary damages for breach of fiduciary duty as a director.

    Article  IX of the  Registrant's Bylaws provides  for the indemnification of
officers, directors, employees and agents of the Registrant. The Bylaws  provide
that  the  Registrant shall  indemnify  its directors,  officers,  employees and
agents against  expenses,  judgments,  fines  and  amounts  paid  in  settlement
actually  and reasonably  incurred by  them in  connection with  any threatened,
pending, or completed action, suit or proceeding (other than an action by or  in
the  right of the corporation), if they acted in good faith and in a manner they
reasonably believe  to  be  in or  not  opposed  to the  best  interest  of  the
corporation  and had no reasonable cause to believe the conduct was unlawful. In
relation to a  proceeding by  or in  the right  of the  Registrant, a  director,
officer,  employee or agent  shall be indemnified  against expenses actually and
reasonably incurred  in  connection  with  the defense  or  settlement  of  such
proceeding  if the director, officer, employee or  agent acted in good faith and
in a manner he or she  reasonably believed to be in  or not opposed to the  best
interests  of the corporation,  except that no indemnification  shall be made in
respect of any claim, issue  or matter as to which  such person shall have  been
adjudged  to be liable for negligence or misconduct in the performance of his or
her duty to  the corporation unless  and only  to the extent  that the  Delaware
Court  of Chancery  shall determine  that such  person is  fairly and reasonably
entitled to  indemnity. The  Bylaws also  provide that  expenses incurred  by  a
director,  officer, employee  or agent  may be  advanced by  the registrant upon
receipt of an undertaking by or on behalf of the director, officer, employee  or
agent  to repay such amount unless it  shall ultimately be determined that he or
she is entitled to be indemnified by the registrant as authorized in the Bylaws.

ITEM 21. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

    (a) Exhibits

   
<TABLE>
<S>        <C>
 2.1       The Amended and Restated Agreement and Plan of Reorganization and Merger among
            Registrant, Amati Communications Corporation and IA Acquisition Corporation,
            dated August 3, 1995 and the Amendment thereto dated October 6, 1995 are
            attached as Appendix A and the Agreement of Merger is attached as Appendix B
            to the Prospectus/Proxy Statement included in this Registration Statement
 3.1(1)    Copy of Registrant's Restated Certificate of Incorporation
 3.2(2)    Copy of Registrant's Bylaws
 5.1       Opinion of Heller Ehrman White & McAuliffe as to legality of securities being
            issued**
 8.1       Opinion of Heller Ehrman White & McAuliffe regarding tax matters
 8.2       Opinion of Gray Cary Ware & Freidenrich regarding tax matters
10.1(3)    1981 Incentive Stock Option Plan as amended through October 12, 1987
10.2(3)    1981 Supplemental Stock Option Plan as amended through October 12, 1987
10.3(4)    Lease dated August 27, 1985 between Registrant and Zanker/North Pointe
            Associates with respect to Registrant's facilities at 3801 and 3811 Zanker
            Road, San Jose, California
10.4(5)    1985 Directors' Stock Option Plan as amended through December 11, 1987
10.5(1)    Lease amendment dated September 19, 1990 between Registrant and Zanker/North
            Pointe Associates with respect to Registrant's facilities at 3801 Zanker Road,
            San Jose, California
</TABLE>
    

                                      II-1
<PAGE>
   
<TABLE>
<S>        <C>
10.6(1)    1990 Stock Option Plan adopted September 14, 1990
10.7(1)    1990 Non-Employee Directors' Stock Option Plan adopted September 14, 1990
10.8(6)    Manufacturing Agreement dated October 9, 1989 between Registrant and
            International Business Machines Corporation
10.9(7)    Lease dated February 10, 1994 between Registrant and Zanker/North Pointe
            Associates with respect to Registrant's facilities at 3801 Zanker Road, San
            Jose, California
10.10      Security Agreement between Registrant and Amati Communications Corporation
            dated May 15, 1995**
10.11      Amendment No. 1 to Security Agreement between Registrant and Amati
            Communications Corporation dated August 4, 1995**
10.12      Senior Secured Promissory Note of Amati Communications Corporation dated August
            4, 1995 in the principal amount of $5,000,000**
10.13      Stock Purchase Warrant of Amati Communications Corporation dated August 4,
            1995**
21.1       Subsidiaries of the Registrant**
23.1       Consent of Arthur Andersen LLP
23.2       Consent of Ernst & Young LLP
23.3       Consent of Heller Ehrman White & McAuliffe (included in Exhibit 8.1)
23.4       Consent of Gray Cary Ware & Freidenrich (included in Exhibit 8.2)
24.1       Power of Attorney -- See Page II-4
   (b)     Financial Statement Schedule
           Report of Independent Public Accountants on Schedule
           Schedule II  Valuation and qualifying accounts
<FN>
- ------------------------
(1)  Incorporated by  reference to  exhibits to  Registrant's Form  10-K  Annual
     Report for its fiscal year ended July 28, 1990.

(2)  Incorporated  by  reference to  exhibits to  Registrant's Form  10-K Annual
     Report for its fiscal year ended July 29, 1989.

(3)  Incorporated by  reference to  exhibits to  Registrant's Form  10-K  Annual
     Report for its fiscal year ended August 1, 1987.

(4)  Incorporated  by  reference to  exhibits to  Registrant's Form  10-K Annual
     Report for its fiscal year ended August 3, 1985.

(5)  Incorporated by reference to exhibits to Registrant's Form S-8 Registration
     Statement File No. 33-21103.

(6)  Incorporated by  reference to  exhibits to  Registrant's Form  10-K  Annual
     Report for its fiscal year ended July 27, 1991.

(7)  Incorporated  by  reference to  exhibits to  Registrant's Form  10-K Annual
     Report for its fiscal year ended July 30, 1994.

**   Previously filed.
</TABLE>
    

                                      II-2
<PAGE>
ITEM 22. UNDERTAKINGS

   
    A. The undersigned Registrant hereby undertakes:
    

   
    (1) To file, during any  period in which offers or  sales are being made,  a
post-effective amendment to this Registration Statement:
    

   
        (i)  To  include  any prospectus  required  by section  10(a)(3)  of the
    Securities Act of 1933;
    

   
        (ii) To reflect in the prospectus any facts or events arising after  the
    effective   date  of  the   registration  statement  (or   the  most  recent
    post-effective amendment thereof) which,  individually or in the  aggregate,
    represent  a  fundamental  change  in  the  information  set  forth  in  the
    Registration Statement;
    

   
        (iii) To include any  material information with respect  to the plan  of
    distribution  not previously disclosed in  the Registration Statement or any
    material change to such information in the Registration Statement.
    

   
    (2) That, for the purpose of determining any liability under the  Securities
Act  of 1933,  each such post-effective  amendment shall  be deemed to  be a new
registration statement  relating  to the  securities  offered therein,  and  the
offering  of such securities at that time shall be deemed to be the initial bona
fide offering thereof.
    

   
    (3) To remove from registration by  means of a post-effective amendment  any
of the securities being registered which remain unsold at the termination of the
offering.
    

   
    B.  The undersigned Registrant  hereby undertakes as  follows: that prior to
any public reoffering of  the securities registered hereunder  through use of  a
prospectus which is a part of this Registration Statement by any person or party
who  is  deemed to  be an  underwriter within  the meaning  of Rule  145(c), the
Registrant  undertakes  that  such   reoffering  prospectus  will  contain   the
information  called  for by  the applicable  registration  form with  respect to
reofferings by  persons who  may  be deemed  underwriters,  in addition  to  the
information called for by the other Items of the applicable form.
    

    The  Registrant undertakes that every prospectus: (i) that is filed pursuant
to the  immediately preceding  paragraph;  or (ii)  that  purports to  meet  the
requirements  of Section 10(a)(3) of  the Act and is  used in connection with an
offering of  securities subject  to Rule  415, will  be filed  as a  part of  an
amendment  to  the  Registration  Statement  and will  not  be  used  until such
amendment is  effective, and  that, for  purposes of  determining any  liability
under the Securities Act of 1933, as amended, each such post-effective amendment
shall  be deemed to be  a new registration statement  relating to the securities
offered therein,  and the  offering of  such securities  at that  time shall  be
deemed to be the initial BONA FIDE offering thereof.

   
    C.  Insofar as indemnification for  liabilities arising under the Securities
Act  of  1933,  as  amended,  may  be  permitted  to  directors,  officers,  and
controlling  persons of the registrant pursuant  to the foregoing provisions, or
otherwise, the Registrant has been advised that in the opinion of the Securities
and Exchange  Commission  such  indemnification  is  against  public  policy  as
expressed in the Act and is, therefore, unenforceable. In the event that a claim
for  indemnification against  such liabilities  (other than  the payment  by the
Registrant of expenses incurred  or paid by a  director, officer or  controlling
person  of  the Registrant  in the  successful  defense of  any action,  suit or
proceeding) is  asserted by  such  director, officer  or controlling  person  in
connection  with the securities being registered, the Registrant will, unless in
the opinion of its counsel the matter has been settled by controlling precedent,
submit to  a court  of appropriate  jurisdiction the  question of  whether  such
indemnification  by it is against public policy as expressed in the Act and will
be governed by the final adjudication of such issue.
    

                                      II-3
<PAGE>
   
    D. The undersigned Registrant hereby undertakes that:
    

        (1) For purposes of determining  any liability under the Securities  Act
    of  1933, as  amended, the information  omitted from the  form of prospectus
    filed as part of this Registration Statement in reliance upon Rule 430A  and
    contained  in a form of prospectus filed  by the Registrant pursuant to Rule
    424(b)(1) or (4) or 497(h)  under the Securities Act  shall be deemed to  be
    part  of  this  Registration  Statement  as  of  the  time  it  was declared
    effective.

        (2) For the purposes of  determining any liability under the  Securities
    Act  of  1933,  each  post-effective  amendment  that  contains  a  form  of
    prospectus shall be deemed  to be a new  registration statement relating  to
    the  securities offered therein, and the offering of such securities at that
    time shall be deemed to be the initial BONA FIDE offering thereof.

   
    E. The undersigned Registrant hereby  undertakes to respond to requests  for
information  that is incorporated  by reference into  the prospectus pursuant to
Items 4, 10(b), 11, or  13 of this form, within  one business day of receipt  of
such  request, and  to send  the incorporated documents  by first  class mail or
other equally prompt  means. This  includes information  contained in  documents
filed subsequent to the effective date of the Registration Statement through the
date of responding to the request.
    

   
    F.  The undersigned  Registrant hereby  undertakes to  supply by  means of a
post-effective amendment  all  information  concerning a  transaction,  and  the
company  being  acquired  involved therein,  that  was  not the  subject  of and
included in the Registration Statement when it became effective.
    

                                      II-4
<PAGE>
                                   SIGNATURES

   
    Pursuant to the requirements of the Securities Act of 1933, ICOT Corporation
has  duly caused this Amendment  to be signed on  its behalf by the undersigned,
thereunto duly authorized,  in the  City of San  Jose, State  of California,  on
October 6, 1995.
    

                                          ICOT Corporation
                                          By:           /S/ AAMER LATIF
                                             -----------------------------------
                                                         Aamer Latif
                                                PRESIDENT AND CHIEF EXECUTIVE
                                                         OFFICER

                               POWER OF ATTORNEY

    KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears
below  constitutes and appoints  Arnold Silverman and Aamer  Latif, or either of
them, with  the  power  of substitution,  his  attorney  in fact,  to  sign  any
amendments to this Registration Statement (including post-effective amendments),
and  to file the same,  with exhibits thereto and  other documents in connection
therewith, with the  Securities and  Exchange Commission,  hereby ratifying  and
confirming  all  that  each  of  said  attorney-in-fact,  or  his  substitute or
substitutes, may do or cause to be done by virtue hereof.

   
    Pursuant to the requirements of the  Securities Act of 1933, this  Amendment
has  been signed  by the following  persons in  the capacities and  on the dates
indicated.
    

   
            SIGNATURE                      CAPACITY                 DATE
- ----------------------------------  -----------------------  ------------------

                                    Director, President,
                                     Chief Executive
                                     Officer, Chief
              /S/ AAMER LATIF        Financial Officer
- ---------------------------------    (Principal Executive     October 6, 1995
           Aamer Latif               Officer) (Principal
                                     Financial Officer) and
                                     Chairman

                                    Treasurer, Secretary
                        *            and Corporation
- ---------------------------------    Controller (Principal    October 6, 1995
           Terry Medel               Accounting Officer)

                        *
- ---------------------------------   Director                  October 6, 1995
         Donald L. Lucas

                        *
- ---------------------------------   Director                  October 6, 1995
       Arnold N. Silverman

- ---------------------------------   Director
        William D. Witter

              /S/ AAMER LATIF
- ---------------------------------
           *Aamer Latif                                       October 6, 1995
        (ATTORNEY-IN-FACT)

    

                                      II-5
<PAGE>
              REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS ON SCHEDULE

TO ICOT CORPORATION:

    We  have audited in  accordance with generally  accepted auditing standards,
the consolidated  financial statements  of ICOT  Corporation, included  in  this
registration statement and have issued our report thereon dated August 25, 1994.
Our audit was made for the purposes of forming an opinion on the basic financial
statements  taken as  a whole.  The schedule  listed in  the index  above is the
responsibility of  the Company's  management and  is presented  for purposes  of
complying with the Securities and Exchange Commission's rules and is not part of
the basic financial statements. This schedule has been subjected to the auditing
procedures  applied in the audit  of the basic financial  statements and, in our
opinion, fairly states in all material  respects the financial data required  to
be  set forth therein in  relation to the basic  financial statements taken as a
whole.

                                          ARTHUR ANDERSEN LLP

San Jose, California
August 25, 1994

                                      S-1
<PAGE>
                                                                     SCHEDULE II

                                ICOT CORPORATION
                       VALUATION AND QUALIFYING ACCOUNTS
                                 (IN THOUSANDS)

<TABLE>
<CAPTION>
                                                        BALANCE AT   CHARGED TO   CHARGED TO                BALANCE AT
                                                         BEGINNING     COSTS &       OTHER                    END OF
DESCRIPTION                                              OF PERIOD    EXPENSES     ACCOUNTS    DEDUCTIONS     PERIOD
- ------------------------------------------------------  -----------  -----------  -----------  -----------  -----------
<S>                                                     <C>          <C>          <C>          <C>          <C>
Allowance for Doubtful Accounts:
  Year ended July 30, 1994............................   $      32    $  --        $      --    $      (7)(1)  $      25
  Year ended July 31, 1993............................   $      34    $      30    $     (29)   $      (3)(1)  $      32
  Year ended July 25, 1992............................   $     479    $      16    $     (20)   $    (441)(1)  $      34
Accrued Restructuring Charge:
  Year ended July 30, 1994............................   $   1,381    $  --        $      --    $    (540)(2)  $     841
  Year ended July 31, 1993............................   $  --        $   2,871    $      --    $  (1,490)(2)  $   1,381
</TABLE>

- ------------------------
Notes:  (1) Uncollectible accounts written off
        (2) Usage

                                      S-2
<PAGE>
                                 EXHIBIT INDEX

   
<TABLE>
<CAPTION>
EXHIBITS                                                                                                    PAGE
- ---------                                                                                                   -----
<S>        <C>                                                                                           <C>
 2.1       The Amended and Restated Agreement and Plan of Reorganization and Merger among Registrant,
            Amati Communications Corporation and IA Acquisition Corporation dated August 3, 1995 and
            the Amendment thereto dated October 6, 1995 are attached as Appendix A and the Agreement of
            Merger is attached as Appendix B to the Prospectus/Proxy Statement included in this
            Registration Statement
 3.1(1)    Copy of Registrant's Restated Certificate of Incorporation
 3.2(2)    Copy of Registrant's Bylaws
 5.1       Opinion of Heller Ehrman White & McAuliffe as to legality of securities being issued**
 8.1       Opinion of Heller Ehrman White & McAuliffe regarding tax matters
 8.2       Opinion of Gray Cary Ware & Freidenrich regarding tax matters
10.1(3)    1981 Incentive Stock Option Plan as amended through October 12, 1987
10.2(3)    1981 Supplemental Stock Option Plan as amended through October 12, 1987
10.3(4)    Lease dated August 27, 1985 between Registrant and Zanker/North Pointe Associates with
            respect to Registrant's facilities at 3801 and 3811 Zanker Road, San Jose, California
10.4(5)    1985 Directors' Stock Option Plan as amended through December 11, 1987
10.5(1)    Lease amendment dated September 19, 1990 between Registrant and Zanker/ North Pointe
            Associates with respect to Registrant's facilities at 3801 Zanker Road, San Jose,
            California
10.6(1)    1990 Stock Option Plan adopted September 14, 1990
10.7(1)    1990 Non-Employee Directors' Stock Option Plan adopted September 14, 1990
10.8(6)    Manufacturing Agreement dated October 9, 1989 between Registrant and International Business
            Machines Corporation
10.9(7)    Lease dated February 10, 1994 between Registrant and Zanker/North Pointe Associates with
            respect to Registrant's facilities at 3801 Zanker Road, San Jose, California
10.10      Security Agreement between Registrant and Amati Communications Corporation dated May 15,
            1995**
10.11      Amendment No. 1 to Security Agreement between Registrant and Amati Communications
            Corporation dated August 4, 1995**
10.12      Senior Secured Promissory Note of Amati Communications Corporation dated August 4, 1995 in
            the principal amount of $5,000,000**
10.13      Stock Purchase Warrant of Amati Communications Corporation dated August 4, 1995**
21.1       Subsidiaries of the Registrant**
23.1       Consent of Arthur Andersen LLP
23.2       Consent of Ernst & Young LLP
23.3       Consent of Heller Ehrman White & McAuliffe (included in Exhibit 8.1)
23.4       Consent of Gray Cary Ware & Freidenrich (included in Exhibit 8.2)
</TABLE>
    
<PAGE>
   
<TABLE>
<S>        <C>                                                                                           <C>
24.1       Power of Attorney -- See Page II-4
   (b)     Financial Statement Schedule
           Report of Independent Public Accountants on Schedule
           Schedule II  Valuation and qualifying accounts
<FN>
- ------------------------
(1)  Incorporated  by  reference to  exhibits to  Registrant's Form  10-K Annual
     Report for its fiscal year ended July 28, 1990.

(2)  Incorporated by  reference to  exhibits to  Registrant's Form  10-K  Annual
     Report for its fiscal year ended July 29, 1989.

(3)  Incorporated  by  reference to  exhibits to  Registrant's Form  10-K Annual
     Report for its fiscal year ended August 1, 1987.

(4)  Incorporated by  reference to  exhibits to  Registrant's Form  10-K  Annual
     Report for its fiscal year ended August 3, 1985.

(5)  Incorporated by reference to exhibits to Registrant's Form S-8 Registration
     Statement File No. 33-21103.

(6)  Incorporated  by  reference to  exhibits to  Registrant's Form  10-K Annual
     Report for its fiscal year ended July 27, 1991.

(7)  Incorporated by  reference to  exhibits to  Registrant's Form  10-K  Annual
     Report for its fiscal year ended July 30, 1994.

**   Previously Filed.
</TABLE>
    

<PAGE>
                                                        EXHIBIT 8.1

                         [LETTERHEAD]


                        October 6, 1995







ICOT Corporation
3801 Zanker Road
San Jose, California  95150

     Merger Pursuant to the Amended and Restated Agreement and
     Plan of Reorganization and Merger, dated as of August 3, 1995,
     as amended, by and among ICOT Corporation, a Delaware
     corporation, IA Acquisition Corporation, a California
     corporation, and Amati Communications Corporation, a
     California corporation
     --------------------------------------------------------------

Ladies and Gentlemen:

          This opinion is being delivered to you in connection
with the filing of a registration statement on Form S-4 of a
joint proxy statement/prospectus and pursuant to Section 6.7 of
the Amended and Restated Agreement and Plan of Reorganization and
Merger (the "Agreement"), dated as of August 3, 1995, by and
among ICOT Corporation, a Delaware corporation ("ICOT"), IA
Acquisition Corporation, a California corporation ("Sub"), and
Amati Communications Corporation, a California corporation
("Amati"), pursuant to which Amati will merge with and into Sub,
a wholly owned subsidiary of ICOT (the "Merger").

          Except as otherwise provided, capitalized terms
referred to herein have the meanings set forth in the Agreement.
All section references, unless otherwise indicated, are to the
Internal Revenue Code of 1986, as amended (the "Code").

          We have acted as legal counsel to ICOT in connection
with the Merger.  As such, and for the purpose of rendering this
opinion, we have examined (or will examine on or prior to the
Effective Time) and are relying (or will rely) upon (without any
independent investigation or review thereof), the truth and
accuracy, at all relevant times, of the statements, covenants,
representations, and warranties contained in the following
documents (including all schedules and exhibits thereto):


<PAGE>

ICOT Corporation
October 6, 1995                                            Page 2


          1.   The Agreement;

          2.   Amendment No. 1 to the Registration Statement on
Form S-4 (File No. 33-62023) filed by ICOT on September 6, 1995,
and Amendment No. 2 to such Registration Statement filed by ICOT
on October 6, 1995, for the purpose of registering the ICOT
Common Stock to be used in connection with the Merger under the
Securities Act of 1933, as amended (collectively, the
"Registration Statement");

          3.   Representations made by ICOT and Sub in a letter
to us for our use in rendering this opinion;

          4.   Representations made by Amati to us for our use in
rendering this opinion;

          5.   Representations made to us by certain shareholders
of Amati for our use in rendering this opinion; and

          6.   Such other instruments and documents related to
the formation, organization and operation of ICOT, Amati, and Sub
or to the consummation of the Merger and the transactions
contemplated thereby as we have deemed necessary or appropriate.

          In connection with rendering this opinion, we have
assumed or obtained representations (and are relying thereon,
without any independent investigation or review thereof) that:

          1.   Original documents (including signatures) are
authentic, documents submitted to us as copies conform to the
original documents, and there has been (or will be by the
Effective Time) due execution and delivery of all documents whose
due execution and delivery are prerequisites to the effectiveness
thereof;

          2.   The Merger will be effective under the laws of the
State of California;

          3.   The shareholders of Amati do not, and will not on
or before the Effective Time, have an existing plan or intent to
dispose of an amount of ICOT Common Stock to be received in the
Merger (or to dispose of Amati capital stock in anticipation of
the Merger) such that the shareholders of Amati will not receive
and retain a meaningful continuing equity ownership in ICOT that
is sufficient to satisfy the continuity of interest requirement
as specified in Treasury Regulations Section 1.368-1(b) and as


<PAGE>

ICOT Corporation
October 6, 1995                                            Page 3


interpreted in certain Internal Revenue Service rulings and
federal judicial decisions;

          4.   After the Merger, Sub will hold "substantially
all" of Amati's properties within the meaning of Section
368(a)(2)(D) of the Code and the regulations promulgated
thereunder;

          5.   To the extent any expenses relating to the Merger
(or the "plan of reorganization" within the meaning of Treasury
Regulations Section 1.368-1(c) with respect to the Merger) are
funded directly or indirectly by a party other than the incurring
party, such expenses will be within the guidelines established in
Revenue Ruling 73-54, 1973-1 C.B. 187; and any expenses paid on
behalf of Amati shareholders will not exceed one percent of the
total consideration that will be issued in the Merger to Amati
shareholders in exchange for their shares of Amati stock;

          6.   No Amati shareholder guaranteed any Amati
indebtedness outstanding during the period ending at the
Effective Time and beginning with the commencement of
negotiations (whether formal or informal) regarding the Merger,
and at all relevant times, including as of the Effective Time,
(i) no outstanding indebtedness of Amati, ICOT, or Sub has or
will represent equity for tax purposes; (ii) no outstanding
equity of Amati, ICOT, or Sub has or will represent indebtedness
for tax purposes; and (iii) no outstanding security, instrument,
agreement, or arrangement that provides for, contains or
represents either a right to acquire Amati stock or to share in
the appreciation thereof constitutes or will constitute "stock"
for purposes of Section 368(c) of the Code;

          7.   An opinion of counsel to Amati, Gray Cary Ware &
Freidenrich, which opinion is substantially similar to this
opinion, has been delivered to Amati pursuant to Section 7.6 of
the Agreement and has not been withdrawn; and

          8.   Any representation or statement made "to the
knowledge of" or otherwise similarly qualified is correct without
such qualification.  As to all matters in which a signatory has
represented that such signatory either is not a party to, does
not have, or is not aware of, any plan, intention, understanding,
or agreement, there is in fact no such plan, intention,
understanding, or agreement.

<PAGE>

ICOT Corporation
October 6, 1995                                            Page 4


          Based on our examination of the foregoing items and
subject to the assumptions, exceptions, limitations, and
qualifications set forth herein, we are of the opinion that, for
federal income tax purposes, the Merger will be a
"reorganization" as defined in Section 368(a) of the Code.

          In addition to the assumptions set forth above, this
opinion is subject to the exceptions, limitations and
qualifications set forth below.

          1.   This opinion addresses only the classification of
the Merger as a reorganization under Section 368(a) of the Code
and does not address any other federal, state, local, or foreign
tax consequences that may result from the Merger or any other
transaction (including any transaction undertaken in connection
with the Merger).

          2.   No opinion is expressed as to (i) any transaction
other than the Merger as described in the Agreement (including
without limitation any transaction in which the Amati capital
stock that was exchanged in the Merger was acquired by the
exchanging shareholder) or (ii) any transaction whatsoever
(including the Merger) if all the transactions described in the
Agreement are not consummated in accordance with the terms of the
Agreement and without waiver or breach of any material provision
thereof, or if any of the representations, warranties,
statements, and assumptions upon which we have relied are not
true and accurate at all relevant times.  In the event any one of
the statements, representations, warranties, or assumptions upon
which we have relied to issue this opinion is incorrect, our
opinion might be adversely affected and may not be relied upon.

          3.   This opinion letter represents and is based upon
our best judgment regarding the application of federal income tax
laws arising under the Code, existing judicial decisions,
administrative regulations, and published rulings and procedures.
Our opinion is not binding upon the Internal Revenue Service or
the courts, and there is no assurance that the Internal Revenue
Service will not successfully assert a contrary position.
Furthermore, no assurance can be given that future legislative,
judicial, or administrative changes, on either a prospective or
retroactive basis, would not adversely affect the accuracy of the
conclusions stated herein.  Nevertheless, we undertake no
responsibility to advise you of any new developments in the
application or interpretation of the federal income tax laws.


<PAGE>

ICOT Corporation
October 6, 1995                                            Page 5


          4.   This opinion is intended solely for the benefit of
you and your shareholders; it may not be relied upon for any
other purpose or by any other person or entity, and may not be
made available to any other person or entity without our prior
written consent.  We hereby consent, however, to the use of this
opinion as an exhibit to the Registration Statement and further
consent to the use of our name whenever appearing in the
Registration Statement, including the Prospectus/Proxy Statement
constituting a part thereof, and any amendments thereto.

                              Very truly yours,

                              Heller Ehrman White & McAuliffe



<PAGE>
   
                                                                     EXHIBIT 8.2
    
   
GRAY CARY WARE & FREIDENRICH
    

[LETTERHEAD]

   
                                October 6, 1995
    

Amati Communications Corporation
1875 El Camino Real West
Mountain View, CA 94040

   
        Re:  Merger pursuant to the Amended and Restated Agreement and Plan of
             Reorganization and Merger (the "Agreement"), dated as of August 3,
             1995, as amended by and among ICOT Corporation, a Delaware
             corporation ("ICOT"), IA Acquisition Corporation, a California
             corporation ("Sub"), and Amati Communications Corporation, a
             California corporation ("Amati")
    

Gentlemen:

   
    This  opinion is being delivered  to you in connection  with the filing of a
registration statement on  Form S-4  of a joint  proxy statement/prospectus  and
pursuant  to Section 7.6  of the Agreement,  pursuant to which  Amati will merge
with and into Sub, a wholly-owned subsidiary of ICOT (the "Merger").
    

    Except as otherwise provided, capitalized terms referred to herein have  the
meanings  set forth in  the Agreement. All  section references, unless otherwise
indicated, are to the Internal Revenue Code of 1986, as amended (the "Code").

    We have acted as legal  counsel to Amati in  connection with the Merger.  As
such,  and for the purpose of rendering  this opinion, we have examined (or will
examine on or prior to the Effective  Time) and are relying (or will rely)  upon
(without  any  independent  investigation  or  review  thereof),  the  truth and
accuracy, at all relevant times,  of the statements, covenants,  representations
and warranties contained in the following documents (including all schedules and
exhibits thereto):

        1.  The Agreement (including Exhibits);

   
        2.   Amendment No. 1 to the Registration Statement on Form S-4 (File No.
    33-62023) filed by ICOT on  September 6, 1995, and  Amendment No. 2 to  such
    Registration  Statement to  be filed  by ICOT on  October 10,  1995, for the
    purpose of registering the ICOT Common Stock to be issued in connection with
    the Merger under the Securities Act  of 1933, as amended (collectively,  the
    "Registration Statement");
    

        3.   Representations made by ICOT and Sub  in a letter to us for our use
    in rendering this opinion;

        4.  Representations made by  Amati to us for  our use in rendering  this
    opinion;

        5.    Representations made  to us  by certain  shareholders of  Amati in
    "Affiliate's Agreements"; and

        6.   Such other  instruments  and documents  related to  the  formation,
    organization  and operation of ICOT, Amati and Sub or to the consummation of
    the Merger  and the  transactions  contemplated thereby  as we  have  deemed
    necessary or appropriate.

    In  connection  with rendering  this opinion,  we  have assumed  or obtained
representations (and are relying thereon, without any independent  investigation
or review thereof) that:

        1.   Original documents (including  signatures) are authentic, documents
    submitted to us as copies conform  to the original documents, and there  has
    been  (or will be by  the Effective Time) due  execution and delivery of all
    documents  where   due  execution   and   delivery  are   prerequisites   to
    effectiveness thereof;
<PAGE>
        2.    The  Merger will  be  effective under  the  laws of  the  State of
    California;

        3.  The  shareholders of Amati  do not, and  will not on  or before  the
    Effective  Time, have an existing plan or  intent to dispose of an amount of
    ICOT Common Stock  to be  received in  the Merger  (or to  dispose of  Amati
    capital  stock in anticipation of the  Merger) such that the shareholders of
    Amati will not receive and  retain a meaningful continuing equity  ownership
    in ICOT that is sufficient to satisfy the continuity of interest requirement
    as specified in Treas. Reg. Section 1.368-1(b) and as interpreted in certain
    Internal Revenue Service rulings and federal judicial decisions;

   
        4.    After the  Merger, Sub  will hold  "substantially all"  of Amati's
    properties within the meaning of Section 368(a)(2)(D) of the Code;
    

        5.  To the extent any expenses  relating to the Merger (or the "plan  of
    reorganization"  within the  meaning of  Treas. Reg  Section 1.368-1(c) with
    respect to the Merger)  are funded directly or  indirectly by a party  other
    than  the  incurring  party, such  expenses  will be  within  the guidelines
    established in Revenue Ruling 73-54, 1973-1 C.B. 187; and any expenses  paid
    on  behalf of  Amati shareholders  will not exceed  one percent  (1%) of the
    total consideration that will be issued in the Merger to Amati  shareholders
    in exchange for their shares of Amati stock;

        6.   No Amati shareholder  guaranteed any Amati indebtedness outstanding
    during the  period ending  at  the Effective  Time  and beginning  with  the
    commencement  of  negotiations (whether  formal  or informal)  regarding the
    Merger, and at all relevant times,  including as of the Effective Time,  (i)
    no  outstanding indebtedness  of Amati,  ICOT or  Sub has  or will represent
    equity for tax purposes;  (ii) no outstanding equity  of Amati, ICOT or  Sub
    has or will represent indebtedness for tax purposes and (iii) no outstanding
    security,  instrument, agreement or arrangement  that provides for, contains
    or represents either  a right  to acquire  Amati stock  or to  share in  the
    appreciation  thereof constitutes or will constitute "stock" for purposes of
    Section 368(c) of the Code;

   
        7.  Heller Ehrman White &  McAuliffe, as counsel to ICOT, has  delivered
    to  ICOT  and not  withdrawn  an opinion,  pursuant  to Section  6.7  of the
    Agreement, to  the  effect  that  the  Merger  will  constitute  a  tax-free
    reorganization  within  the meaning  of Section  368(a)  of the  Code, which
    opinion is substantially similar to this opinion; and
    

        8.   Any representation  or  statement made  "to  the knowledge  of"  or
    otherwise  similarly qualified is correct  without such qualification. As to
    all matters in which a signatory has represented that such signatory  either
    is  not a party to, does not have,  or is not aware of, any plan, intention,
    understanding or  agreement,  there is  in  fact no  such  plan,  intention,
    understanding or agreement.

    Based  on  our  examination  of  the  foregoing  items  and  subject  to the
assumptions, exceptions, limitations and qualifications set forth herein, we are
of the opinion  that, for  federal income  tax purposes,  the Merger  will be  a
"reorganization" as defined in Section 368(a) of the Code.

    In  addition to the assumptions set forth  above, this opinion is subject to
the exceptions, limitations and qualifications set forth below:

    1.   This opinion  addresses only  the  classification of  the Merger  as  a
reorganization  under Section 368(a) of the Code  and does not address any other
federal, state,  local or  foreign tax  consequences that  may result  from  the
Merger  or  any  other  transaction  (including  any  transaction  undertaken in
connection with the Merger). In particular, we express no opinion regarding  the
tax  consequences of the Merger  as applied to holders  of options, warrants for
Amati stock, or promissory notes, or that may be relevant to particular  classes
of  Amati  shareholders such  as  dealers in  securities,  corporate shareholder
subject to the alternative minimum tax,  foreign persons, and holders of  shares
acquired upon exercise of stock options or in other compensatory transactions.

                                       2
<PAGE>
    2.   No opinion is expressed as to (i) any transaction other than the Merger
as described in the Agreement  (including without limitation any transaction  in
which  the Amati capital stock that was  exchanged in the Merger was acquired by
the exchanging shareholder)  or (ii) any  transaction whatsoever (including  the
Merger)  if all the transactions described  in the Agreement are not consummated
in accordance with the terms  of the Agreement and  without waiver or breach  of
any  material provision thereof,  or if any  of the representations, warranties,
statements and assumptions upon which we relied are not true and accurate at all
relevant times.  In  the  event  any one  of  the  statements,  representations,
warranties  or assumptions  upon which  we have relied  to issue  this option is
incorrect, our opinion might be adversely affected and may not be relied upon.

    3.   This opinion  letter represents  and is  based upon  our best  judgment
regarding  the application  of federal income  tax laws arising  under the Code,
existing judicial decisions,  administrative regulations  and published  rulings
and  procedures. Our opinion is not binding upon the Internal Revenue Service or
the courts, and there is no assurance that the Internal Revenue Service will not
successfully assert a contrary position. Furthermore, no assurance can be  given
that  future  legislative,  judicial  or  administrative  changes,  on  either a
prospective or retroactive basis, would not adversely affect the accuracy of the
conclusions stated  herein.  Nevertheless,  we undertake  no  responsibility  to
advise  you of any new developments in  the application or interpretation of the
federal income tax laws.

   
    4.   This  opinion is  intended  solely for  the  benefit of  you  and  your
shareholders;  it may not be  relied upon for any other  purpose or by any other
person or entity, and may  not be made available to  any other person or  entity
without  our prior written  consent. We hereby  consent, however, to  the use of
this opinion as an exhibit to the Registration Statement and further consent  to
the  use of our name whenever appearing in the Registration Statement, including
the Prospectus/Proxy Statement constituting a  part thereof, and any  amendments
thereto.
    

                                          Very truly yours,

   
                                          GRAY CARY WARE & FREIDENRICH
    

                                       3

<PAGE>
                                                                    EXHIBIT 23.1

                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

    As  independent  public accountants,  we hereby  consent to  the use  of our
reports and to all  references to our Firm  included in or made  a part of  this
registration statement.

                                          ARTHUR ANDERSEN LLP
   
San Jose, California
October 6, 1995
    

<PAGE>
                                                                    EXHIBIT 23.2

                        CONSENT OF INDEPENDENT AUDITORS

    We  consent to the reference to our  firm under the caption "Experts" and to
the use of our reports dated April 14, 1995, except for Note 11, as to which the
date is  August 4,  1995, with  respect  to the  financial statements  of  Amati
Communications  Corporation included in this  Registration Statement and related
Prospectus of ICOT Corporation for the  registration of 6,788,924 shares of  its
common stock.

                                          ERNST & YOUNG LLP

   
San Jose, California
October 6, 1995
    


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