VIDEOSERVER INC
DEF 14A, 1999-04-13
COMPUTER COMMUNICATIONS EQUIPMENT
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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 14A
                                 (Rule 14a-101)

                    INFORMATION REQUIRED IN PROXY STATEMENT

                            SCHEDULE 14A INFORMATION
                Proxy Statement Pursuant to Section 14(a) of the
               Securities Exchange Act of 1934 (Amendment No.   )

Filed by the Registrant [_]
Filed by a Party other than the Registrant [_]

Check the appropriate box:

[_]  Preliminary Proxy Statement             [_]  Confidential, For Use of the
[X]  Definitive Proxy Statement                   Commission Only (as permitted
[X]  Definitive Additional Materials              by Rule 14a-6(e)(2))
[_]  Soliciting Material Pursuant to
     Rule 14a-11(c) or Rule 14a-12

                               VideoServer, Inc.
- --------------------------------------------------------------------------------
                (Name of Registrant as Specified In Its Charter)


- --------------------------------------------------------------------------------
    (Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)


Payment of Filing Fee (Check the appropriate box):

[X]  No fee required.
[_] Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.


- --------------------------------------------------------------------------------
1) Title of each class of securities to which transaction applies:


- --------------------------------------------------------------------------------
2) Aggregate number of securities to which transaction applies:


- --------------------------------------------------------------------------------
3)   Per unit price or other underlying value of transaction  computed  pursuant
     to Exchange  Act Rule 0-11 (set forth the amount on which the filing fee is
     calculated and state how it was determined):


- --------------------------------------------------------------------------------
4) Proposed maximum aggregate value of transaction:


- --------------------------------------------------------------------------------
5) Total fee paid:

     [_]  Fee paid previously with preliminary materials:


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

     [_]  Check box if any part of the fee is offset as provided by Exchange Act
          Rule  0-11(a)(2)  and identify the filing for which the offsetting fee
          was paid  previously.  Identify  the previous  filing by  registration
          statement number, or the form or schedule and the date of its filing.

          1)   Amount previously paid:

          2)   Form, Schedule or Registration Statement No.:

          3)   Filing Party:

          4)   Date Filed:


<PAGE>

[LOGO]


                                                                  April 13, 1999

Dear Shareholder:

     You are cordially invited to attend the 1999 Annual Meeting of Shareholders
of VideoServer, Inc., which will be held at the offices of the Company, 63 Third
Avenue,  Burlington,  Massachusetts  01803,  on Wednesday,  May 12, 1999 at 9:00
a.m., EDT.

     The Notice of Annual Meeting of Shareholders and a Proxy  Statement,  which
describe the formal  business to be conducted  at the  meeting,  accompany  this
letter.  The Company's  Annual Report to  Shareholders is also enclosed for your
information.

     All shareholders  are invited to attend the Annual Meeting.  To ensure your
representation at the Annual Meeting, however, you are urged to vote by proxy by
following one of these steps as promptly as possible:

     (A)  Complete,   date,   sign  and  return  the  enclosed   Proxy  Card  (a
postage-prepaid envelope is enclosed for that purpose); or

     (B) Vote via the Internet (see instructions on the enclosed Proxy Card); or

     (C) Vote via  telephone  (toll  free) in the United  States or Canada  (see
instructions on the enclosed Proxy Card).

     The Internet and telephone  voting  procedures are designed to authenticate
shareholders'  identities,  to allow  shareholders  to vote their  shares and to
confirm  that  their   instructions  have  been  properly   recorded.   Specific
instructions to be followed by any registered  shareholder  interested in voting
via the  Internet  or  telephone  are set forth in the Proxy  Card.  Your shares
cannot be voted unless you date,  sign, and return the enclosed proxy card, vote
via the Internet or telephone or attend the annual meeting in person. Regardless
of the number of shares you own, your careful consideration of, and vote on, the
matters before the shareholders is important.

     Shareholders may also observe and participate in the meeting, but not vote,
via multipoint video conference.  If you desire to participate in the Meeting in
this fashion,  please contact the Investor Relations  department of the Company,
at 781-505-2192.


Very truly yours,



Khoa D. Nguyen
President and
Chief Executive Officer

<PAGE>

                                VIDEOSERVER, INC.
                                 63 Third Avenue
                         Burlington, Massachusetts 01803

                                   ----------

                            NOTICE OF ANNUAL MEETING
                                 OF SHAREHOLDERS

                                   ----------

TO OUR SHAREHOLDERS:

     The Annual Meeting of Shareholders (the "Meeting") of VideoServer,  Inc., a
Delaware corporation (the "Company"), will be held on Wednesday, May 12, 1999 at
9:00 a.m.,  EDT, at the offices of the  Company,  63 Third  Avenue,  Burlington,
Massachusetts 01803. The purposes of the Meeting shall be:

     1.  To elect two Class I directors to hold office for a three year term and
         until their successors have been duly elected and qualified.

     2.  To approve an amendment to the Employee Stock Purchase Plan, increasing
         the number of shares available for purchase by 300,000.

     3.  To  ratify  the  appointment  of the  firm of  Ernst &  Young  LLP,  as
         independent  auditors  for the  Company  for  the  fiscal  year  ending
         December 31, 1999.

     Shareholders of record on the books of the Company at the close of business
on March 26, 1999 will be entitled to notice of and to vote at the Meeting.

     Please  sign,  date,  and return the  enclosed  proxy card in the  enclosed
envelope, or vote via telephone or the Internet (pursuant to the instructions on
the enclosed Proxy Card) at your earliest  convenience.  If you return the proxy
or vote via telephone or the Internet,  you may nevertheless  attend the Meeting
and vote your shares in person.

     Shareholders may also observe and participate in the meeting, but not vote,
via multipoint video conference.  If you desire to participate in the Meeting in
this fashion,  please contact the Investor Relations  department of the Company,
at 781-505-2192.

     All  shareholders  of the  Company  are  cordially  invited  to attend  the
Meeting.

                                            By Order of the Board of Directors


                                            Paul L. Criswell
                                            Assistant Secretary

Burlington, Massachusetts
April 13, 1999

- --------------------------------------------------------------------------------
IT IS IMPORTANT THAT YOUR SHARES BE  REPRESENTED AT THE MEETING.  WHETHER OR NOT
YOU PLAN TO ATTEND THE MEETING,  PLEASE SIGN,  DATE, AND MAIL THE ENCLOSED PROXY
IN THE ENCLOSED  ENVELOPE,  WHICH  REQUIRES NO POSTAGE IF MAILED FROM WITHIN THE
UNITED STATES.
- --------------------------------------------------------------------------------

<PAGE>

                                VIDEOSERVER, INC.
                                 63 Third Avenue
                         Burlington, Massachusetts 01803

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

                                 PROXY STATEMENT

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


            Annual Meeting of Shareholders To Be Held on May 12, 1999

     Proxies  enclosed  with this Proxy  Statement are solicited by the Board of
Directors of VideoServer,  Inc., a Delaware corporation (the "Company"), for use
at the Annual Meeting of  Shareholders  (the "Meeting") to be held on Wednesday,
May 12, 1999 at 9:00 a.m., EDT, at the offices of the Company,  63 Third Avenue,
Burlington, Massachusetts 01803, and any adjournments thereof.

     Registered shareholders can vote their shares via (1) a toll-free telephone
call from the U.S. or Canada, or (2) the Internet or (3) by mailing their signed
proxy card.  The  telephone  and  Internet  voting  procedures  are  designed to
authenticate  shareholders'  identities,  to allow  shareholders  to vote  their
shares and to confirm that their instructions have been properly  recorded.  The
Company has been  advised by counsel that the  procedures  that have been put in
place  are  consistent  with  the  requirements  of  applicable  law.   Specific
instructions to be followed by any registered  shareholder  interested in voting
via telephone or the Internet are set forth on the enclosed proxy card.

     Shares  represented by duly executed  proxies received by the Company prior
to the Meeting will be voted as instructed in the proxy on each matter submitted
to the vote of  shareholders.  If any  duly-executed  proxy is returned  without
voting  instructions,  the persons named as proxies  thereon  intend to vote all
shares  represented  by such proxy FOR the election of the nominees for director
named below,  FOR approval of the amendment to the Employee  Stock Purchase Plan
and FOR the  ratification  of  selection  of  auditors  described  in this Proxy
Statement.  This Proxy  Statement  and the proxy  enclosed  herewith  were first
mailed to shareholders on or about April 13, 1999.

     Any  shareholder  may revoke a proxy at any time prior to its  exercise  by
delivering a later-dated  proxy,  by making an authorized  telephone or Internet
communication  on a later  date  in  accordance  with  the  instructions  on the
enclosed  Proxy Card,  by written  notice of  revocation to the Secretary of the
Company at the address of the Company set forth above, or by voting in person at
the Meeting. If a shareholder does not intend to attend the Meeting, any written
proxy  or  notice  should  be  returned  for  receipt  by the  Company,  and any
telephonic or Internet vote should be made, not later than the close of business
on May 11, 1999.  The persons named in the proxies are employees of the Company.
The  Company  will bear the cost of  solicitation  of  proxies  relating  to the
Meeting.

     Only  shareholders  of record as of the close of business on March 26, 1999
(the "Record Date") will be entitled to notice of and to vote at the Meeting and
any adjournments thereof.

     As of the Record  Date there were  13,458,096  shares  (excluding  treasury
shares) of the  Company's  Common  Stock,  $.01 par value (the "Common  Stock"),
issued  and  outstanding.  Such  shares  of  Common  Stock  are the only  voting
securities of the Company.  Shareholders  are entitled to cast one vote for each
share of Common Stock held of record on the Record Date.

     The Board of  Directors of the Company  (the "Board of  Directors")  is not
aware of any other  matters to be presented at the Meeting.  If any other matter
should be  presented  at the Meeting  upon which a vote  properly  may be taken,
shares  represented by all duly executed proxies received by the Company will be
voted with respect  thereto in accordance  with the best judgment of the persons
named in the proxies.  An Annual Report to  Shareholders,  containing  financial
statements for the fiscal year ended December 31, 1998,  preceded or accompanies
this Proxy Statement.

     The mailing  address of the  Company's  principal  executive  offices is 63
Third Avenue, Burlington, Massachusetts 01803.


                                       2
<PAGE>


         Security Ownership of Certain Beneficial Owners and Management

     The following  table sets forth certain  information  regarding  beneficial
ownership  of the  Company's  Common  Stock as of  February  1, 1999 (i) by each
person who is known by the Company to own  beneficially  more than five  percent
(5%) of the  Company's  Common Stock,  (ii) by each of the Company's  directors,
(iii)  by each of the  Named  Executive  Officers  (as  defined  under  "Summary
Compensation"  below) and (iv) by all  directors  and  executive  officers  as a
group.

                                                       Shares Beneficially Owned
                                                       -------------------------
Directors, Officers and 5% Shareholders                  Number          Percent
- ----------------------------                            --------         -------
Wellington Management Company LLP (1) ...............  1,643,380          12.35%
  75 State Street
  Boston, Massachusetts 02109

State of Wisconsin Investment Board (2) .............  1,358,800          10.21%
  121 East Wilson Street
  Madison, Wisconsin 53707

Kopp Investment Advisors, Inc. (3) ..................  1,124,400           8.5%
  7701 France Avenue South, Suite 500
  Edina, Minnesota 55435

Vanguard Explorer Fund Inc. (4) .....................  1,004,200           7.55%
  P.O. Box 2600
  Valley Forge, Pennsylvania 19482

Robert L. Castle ....................................    134,503           1%

Paul Ferri (5) ......................................     34,910           *

William E. Foster (6) ...............................     35,500           *

Steven C. Walske (7) ................................     32,500           *

Khoa D. Nguyen (8) ..................................    140,001           1%

Dane A. Donaldson(9) ................................      9,374           *

Martin R. Falaro (10) ...............................     14,237           *

Robert Lamkin .......................................         --

Stephen J. Nill (11) ................................     92,184           *

All executive officers and directors as a group .....    536,031           4%
  (11  persons)(12)

- ----------

*    Less than 1%
(1)  Based on  information  contained  in  Schedule  13G/A  filed by  Wellington
     Management Company LLP on February 10, 1999.
(2)  Based on  information  contained  in  Schedule  13G/A filed by the State of
     Wisconsin Investment Board, on February 2, 1999.
(3)  Based on information  contained in Schedule 13G/A filed by Kopp  Investment
     Advisors, Inc. on February 4, 1999.
(4)  Based on information  contained in Schedule 13G filed by Vanguard  Explorer
     Fund Inc. on February 12, 1999.
(5)  Includes  22,500  shares that Mr. Ferri has the right to acquire  within 60
     days of February 1, 1998 by the exercise of stock options.
(6)  Includes  22,500 shares that Mr. Foster has the right to acquire  within 60
     days of February 1, 1998 by the exercise of stock options.
(7)  Includes  22,500 shares that Mr. Walske has the right to acquire  within 60
     days of February 1, 1999 by the exercise of stock options.
(8)  Includes  90,001 shares that Mr. Nguyen has the right to acquire  within 60
     days of February 1, 1999 by the exercise of stock options.
(9)  Includes 9,000 shares that Mr. Donaldson has the right to acquire within 60
     days of February 1, 1999 by the exercise of stock options.

                                       3
<PAGE>

(10) Includes  13,353 shares that Mr. Falaro has the right to acquire  within 60
     days of February 1, 1999 by the exercise of stock options.
(11) Includes  49,501  shares that Mr.  Nill has the right to acquire  within 60
     days of February 1, 1999 by the exercise of stock options.
(12) Includes  263,980  shares  that  directors  and  executive  officers of the
     Company have the right to acquire within 60 days of February 1, 1999 by the
     exercise of stock options.


                  EXECUTIVE COMPENSATION AND OTHER INFORMATION
                   CONCERNING DIRECTORS AND EXECUTIVE OFFICERS

Summary Compensation

     The  following  table  sets  forth  information  concerning  the annual and
long-term  compensation in each of the last three fiscal years for the Company's
Chief Executive  Officer(1) and the next four most highly compensated  executive
officers (the "Named Executive Officers").

<TABLE>
<CAPTION>
                                                            Annual Compensation
                                                           --------------------
                                                                                            Long Term                          
                                                                                           Compensation         All Other
Name and Principal Position                        Year      Salary ($)(5)    Bonus($)      Options(#)       Compensation($)
- ---------------------------                        ----      -------------    --------     ------------      ---------------
<S>                                                <C>         <C>             <C>             <C>                 <C>
Khoa D. Nguyen ..................................  1998        200,000         120,000         150,000                --
President and                                      1997(2)      52,000              --         225,000(7)             --
Chief Executive Officer (1)                                                                                 
4/9/98 - Present                                                                                            
                                                                                                            
Robert L. Castle ................................  1998        165,016              --              --      
President and                                      1997        195,000          30,000          70,000             2,280(6)
Chief Executive Officer (1)                        1996        192,718          90,000          60,000                --
1/1/98 - 4/8/98                                                                                             
                                                                                                            
Dane A. Donaldson ...............................  1998        140,000          57,500          10,000             2,370(6)
Vice President of Customer                         1997(2)      16,372              --          30,000(7)             --
Service                                                                                                     
                                                                                                            
Martin R. Falaro ................................  1998        156,000          70,000          20,000             2,400(6)
Vice President of Marketing and                    1997(2)      35,000              --          42,500(7)            525(6)
Business Development                                                                                        
                                                                                                            
Robert Lamkin ...................................  1998(2)     212,953(4)           --          50,000(7)             --
Vice President of Sales (3)                                                                                 
                                                                                                            
Stephen J. Nill .................................  1998        170,002          93,500          40,000             2,400(6)
Vice President of Finance,                         1997        172,155          15,000          30,000             2,400(6)
Chief Financial Officer,                           1996        149,940          51,150          25,000                --
Treasurer, and Secretary                                                                                 
</TABLE>

- ----------

(1)  Effective  April 9, 1998,  the Board named Khoa D. Nguyen,  previously  the
     Company's   Executive  Vice  President  and  Chief  Operating  Officer,  as
     President and Chief  Executive  Officer.  Robert L. Castle  continued as an
     employee of the Company until  October,  1998,  and has assumed the role of
     Chairman of the Board.
(2)  Messrs.  Nguyen,  Falaro,  and Donaldson  commenced  their  employment with
     VideoServer during the year in 1997 and Mr. Lamkin during the year in 1998.
(3)  Mr. Lamkin's employment with the Company ceased in January 1999.
(4)  Consists of $136,667 in base salary and $76,286 in commissions.
(5)  Salary includes  amount deferred by the named executive  officers under the
     Company's  401(k) Plan and salary and bonus include amounts deferred by the
     named executive officer under deferred compensation agreements.
(6)  Represents the dollar amount of the Company's  matching  contribution under
     the Company's 401(k) Plan.
(7)  Represents  options granted to Mr. Nguyen,  Mr. Falaro Mr. Donaldson or Mr.
     Lamkin upon their commencement of employment.


                                       4
<PAGE>

Options Grants in Last Fiscal Year

     The following  table sets forth  information  concerning  individual  stock
option grants made to each of the Named Executive Officers during fiscal 1998.

<TABLE>
<CAPTION>
                                                      Individual Grants
                                    ----------------------------------------------------
                                                                                                  Potential
                                                                                             Realizable Value at
                                                  Percent of                               Assumed Annual Rates of
                                                Total Options                             Stock Price Appreciation
                                                  Granted to     Exercise                    for Option Term (1)
                                     Options     Employees in      Price      Expiration    --------------------
Name                                Granted (#)   Fiscal Year   ($/Sh) (2)       Date          5%          10%
- ----                                -----------   -----------   ----------       ----       --------   ---------
<S>                                  <C>             <C>           <C>          <C>         <C>        <C>      
Khoa D. Nguyen                       150,000         15.5%         $7.81        6/4/08      $736,750   1,867,069
Robert L. Castle                          --          --            --            --              --          --
Dane A. Donaldson                     10,000          1%           $7.81        6/4/08       $49,116    $124,471
Martin R. Falaro                      20,000          2%           $7.81        6/4/08       $98,233    $248,942
Robert Lamkin                         50,000          5%           $7.81          (3)
Stephen J. Nill                       40,000          4%           $7.81        6/4/08      $196,467    $497,885
</TABLE>

- ----------

(1)  Potential gains are net of exercise price, but before taxes associated with
     exercise.  These amounts  represent  certain  assumed rates of appreciation
     only, based on the Securities and Exchange  Commission rules. Actual gains,
     if any, on stock option  exercises are dependent on the future  performance
     of the Common Stock,  the timing of such exercises and the option  holder's
     continued  employment  through the vesting period. The amounts reflected in
     this table may not  accurately  reflect or predict the actual  value of the
     stock options.
(2)  All options were granted at fair market value as determined by the Board of
     Directors of the Company on the date of the grant.
(3)  Mr. Lamkin's options terminated,  prior to becoming exerciseable,  upon his
     cessation of employment with the Company in January 1999.

Aggregated  Option  Exercises  In Last  Fiscal Year And Fiscal  Year-End  Option
Values

     The  following  table sets forth  information  concerning  each exercise of
stock options by each of the Named Executive Officers during fiscal 1998 and the
value of unexercised "in-the-money" options at the end of that fiscal year.

<TABLE>
<CAPTION>
                                                                      Number of                         Value of
                                    Shares                      Unexercised Options at          Unexercised in-the-Money
                                 Acquired on      Value            Fiscal Year-End            Options at Fiscal Year-End(1)
      Name                       Exercise (#)  Realized ($)  Exercisable/Unexercisable(#)     Exercisable/Unexercisable ($)
      ----                       ------------  ------------  ----------------------------     -----------------------------
<S>                                 <C>          <C>               <C>                            <C>
Khoa D. Nguyen                        --            --             71,250/303,750                 $531,131/$2,544,243
Robert L. Castle                    45,250       $198,694                 0                                0
Dane Donaldson                        --            --              7,000/33,000                   $30,815/$176,085
Martin Falaro                         --            --              10,318/52,182                  $63,832/$370,592
Robert Lamkin                         --            --                   (2)                              (2)
Stephen J. Nill                       --            --              44,625/70,375                  $401,400/$574,949
</TABLE>

- --------

(1)  Based on the closing price on the NASDAQ National Market System for a share
     of Common Stock on December 31, 1998 of $18.375.
(2)  Mr. Lamkin's  options  terminated upon his cessation of employment with the
     Company in January 1999.

Other Benefit Plans

     The Company currently  provides certain benefits to its eligible  employees
(including its executive officers) through the benefit plans described below:

     1991 Stock  Incentive  Plan. The Company  maintains the  VideoServer,  Inc.
Amended and Restated 1991 Stock Incentive Plan (the "Stock  Incentive  Plan") to
attract and retain the best  available  personnel for  positions of  substantial
responsibility  and to provide  additional  incentives to certain  employees and
consultants  to  contribute to 


                                       5
<PAGE>

the  success of the  Company.  The Stock  Incentive  Plan is  administered  by a
committee of the Board of Directors that consists of independent directors.

     1995 Employee Stock Purchase Plan. The Company  maintains the 1995 Employee
Stock Purchase Plan (the "Employee Plan") to provide  incentive to employees and
to encourage  ownership of Common Stock by all eligible employees of the Company
and its  subsidiaries.  Employees of the Company may participate in the Employee
Plan by authorizing  payroll deductions  generally over a six month period, with
the proceeds being used to purchase  shares of Common Stock for the  participant
at a discounted  price.  The Employee Plan is intended to be an "employee  stock
purchase plan" under Section 423 of the Internal Revenue Code.

     Savings Plan. The Company  sponsors a savings plan for its employees  which
has been qualified under Section 401(k) of the Internal  Revenue Code.  Eligible
employees  are  permitted  to  contribute  to the 401(k)  plan  through  payroll
deductions within statutory and plan limits.  Contributions from the Company are
made at the  discretion of the Board of Directors.  Beginning in 1997, the Board
of  Directors  authorized  the  Company  to match a  portion  of its  employees'
contributions to the plan, and in both 1997 and 1998 the Company made a matching
contribution of 30% of employee contributions,  up to contributions of 5% of the
employee's  gross  compensation.  The Company  maintains  comparable plans under
local laws and regulations for its non-U.S. employees.


Employment Agreements

     The Company has entered into an agreement with Mr. Nguyen that provides for
certain  benefits in the event of a termination of his employment  without cause
and upon the occurrence of certain events. Under the agreement, in the event the
Company elects to terminate Mr.  Nguyen's  employment or to diminish his status,
other than for cause, Mr. Nguyen shall be entitled to receive,  (i) for a period
of twelve months a salary equal to the highest  annualized salary rate in effect
for him within the previous  twelve  months and (ii) his  then-current  targeted
annual  incentive bonus. The agreement also provides for certain benefits in the
event  of a  change  in  control.  In the  event of a  change  in  control,  the
outstanding  options held by Mr. Nguyen under the  Company's  option plans shall
become exercisable in full. The agreement further provides that if Mr. Nguyen is
terminated or his status is diminished (other than for cause) within twenty four
months after a change in control, Mr. Nguyen is entitled to an immediate payment
of two times his base compensation for the fiscal year immediately preceding the
termination or change,  plus two times his targeted  annual bonus for the fiscal
year then in effect.

     The Company has entered into an agreement  with Mr. Nill that  provides for
substantially  the same  benefits as provided to Mr. Nguyen (based on Mr. Nill's
salary,  bonus and options)  under the same  circumstances  as described for Mr.
Nguyen above.


Compensation Committee Report on Executive Compensation

     The  Company's  executive  compensation  program  is  administered  by  the
Compensation  Committee  of  the  Board  of  Directors  (the  "Committee").  The
Committee,  which is  composed of two  independent  directors,  establishes  and
administers  the  Company's  executive   compensation  policies  and  plans  and
administers  the  Company's  stock  option  and  other  equity-related  employee
compensation plans. The Committee considers internal and external information in
determining officers' compensation, including outside survey data.


  Compensation Philosophy

     The Company's compensation policies for executive officers are based on the
belief that the interests of executives  should be closely aligned with those of
the Company's  shareholders.  The compensation  policies are designed to achieve
the following objectives:

     o   Offer   compensation   opportunities   that  attract  highly  qualified
         executives,  reward outstanding initiative and achievement,  and retain
         the  leadership  and skills  necessary to build  long-term  shareholder
         value;

     o   Maintain a significant  portion of executives'  total  compensation  at
         risk,  tied to both the annual and long-term  financial  performance of
         the Company and the creation of shareholder value; and

     o   Further the Company's short and long-term strategic goals and values by
         aligning   compensation   with  business   objectives   and  individual
         performance.


                                       6
<PAGE>

   Compensation Program

     The Company's  executive  compensation  program has three major  integrated
components, base salary, annual incentive awards, and long term incentives.

      Base Salary.  Base salary  levels for  executive  officers are  determined
      annually  by  reviewing  the   competitive  pay  practices  of  networking
      companies  of  similar  size  and  market   capitalization,   the  skills,
      performance   level,  and  contribution  to  the  business  of  individual
      executives,  and the needs of the Company. Overall, the Committee believes
      that base salaries for executive  officers are  approximately  competitive
      with median base salary levels for similar  positions in these  networking
      companies.

      Incentive Awards. The Company's executive officers are eligible to receive
      cash bonus awards designed to motivate executives to attain short-term and
      longer-term  corporate  and  individual  management  goals.  The Committee
      establishes   quarterly  and  annual  incentive   opportunities  for  each
      executive officer in relation to his or her base salary. Awards under this
      program  are  based on the  attainment  of  specific  Company  performance
      measures  established by the  Compensation  Committee  early in the fiscal
      year, and by the  achievement of specified  individual  objectives and the
      degree to which each executive officer  contributes to the overall success
      of the  Company  and the  management  team.  In 1998 the formula for these
      bonuses was based on a combination  of individual  objectives  and Company
      revenue and profitability objectives.  The Company's performance generally
      met the objectives set by the Committee in 1998.

      Long Term  Incentives.  The  Committee  believes that stock options are an
      excellent vehicle for compensating its officers and employees. The Company
      provides long term incentives  through its Amended and Restated 1991 Stock
      Incentive  Plan,  the purpose of which is to create a direct link  between
      executive  compensation and increases in shareholder  value. Stock options
      are granted at fair market value and vest in installments,  generally over
      five years. When determining option awards for an executive  officer,  the
      Committee  considers  the  executive's  current  contribution  to  Company
      performance,   the  anticipated  contribution  to  meeting  the  Company's
      long-term  strategic  performance goals, and industry practices and norms.
      Long-term  incentives  granted in prior years and existing levels of stock
      ownership are also taken into consideration.  Because the receipt of value
      by an executive officer under a stock option is dependent upon an increase
      in  the  price  of  the  Company's  Common  Stock,  this  portion  of  the
      executive's   compensation  is  directly   aligned  with  an  increase  in
      shareholder value.


   Chief Executive Officer Compensation

     The Chief  Executive  Officer's  base salary,  annual  incentive  award and
long-term incentive  compensation are determined by the Committee based upon the
same  factors  as  those  employed  by  the  Committee  for  executive  officers
generally.  Mr. Nguyen's  annualized base salary for the year ended December 31,
1998 was $200,000,  and Mr. Castle was paid a total of $88,683 for the period in
which he served as CEO,  from  January 1 to April 9, 1998.  The Chief  Executive
Officer may also be entitled to an annual cash bonus  depending on the Company's
achievement  of  certain  performance   objectives,   including  certain  growth
milestones  in sales and  earnings  during a fiscal  year,  as  compared  to the
preceding  fiscal year.  Any such cash bonus will be computed on a formula basis
established by the  Committee.  For the year ended December 31, 1998, Mr. Nguyen
was paid a cash bonus of $120,000, and Mr. Castle was not paid a cash bonus.

     Section 162(m) of the Internal  Revenue Code limits the tax deduction to $1
million for compensation paid to certain executives of public companies.  Having
considered  the  requirements  of Section  162(m),  the Committee  believes that
grants made pursuant to the Company's  Amended and Restated 1991 Stock Incentive
Plan meet the  requirement  that such  grants be  "performance  based"  and are,
therefore,  exempt from the  limitations  on  deductibility.  Historically,  the
combined  salary and bonus of each executive  officer has been well below the $1
million  limit.  The  Committee's  present  intention  is to comply with Section
162(m) unless the Committee feels that required changes would not be in the best
interest of the Company or its shareholders.

                           Respectfully Submitted by the Compensation Committee,

                                 Paul J. Ferri
                                 Steven C. Walske


                                       7
<PAGE>

Compensation Committee Interlocks and Insider Participation

     The Compensation Committee was formed on February 1, 1995. No member of the
Compensation Committee was or is an officer or employee of the Company or any of
its subsidiaries.


Compensation of Directors

     In April 1995, the Company's Board of Directors and  shareholders  approved
the Amended and  Restated  1994  Non-Employee  Director  Stock  Option Plan (the
"Director Plan"). The Director Plan provides that each non-employee  director of
the Company be granted an option to acquire 15,000 shares of common stock on the
date that person becomes a director, and annually be granted, beginning with the
January 1 falling at least 12 months after a Director's initial grant, an option
to purchase an additional 3,000 shares.  Options are granted at a price equal to
the fair market value on the date of grant. The option becomes  exercisable over
a  four-year  period,  and the term of the  option is ten years from the date of
grant.

     Pursuant to the Director  Plan, on January 1, 1999 Messrs.  Castle,  Ferri,
Foster,  and Walske were each  granted an option to acquire  3,000  shares at an
exercise price of $18.00 per share, the fair market value on the date of grant.

     In March  1999 the  Board  approved  an  amendment  to the  Director  Plan,
authorizing  and granting to each  non-employee  member of the Board a one-time,
fully-vested  7,000 share stock option, at the fair market value of the stock on
the date of the grant. Pursuant to this amendment, Messrs. Castle, Ferri, Foster
and Walske were each  granted an option to acquire  7,000  shares at an exercise
price of $7.813, the fair market value on the date of grant.

     The Company pays each Director a fee of $2,000, (1) per official meeting of
the Board  attended by such  Director,  and (2) per official  Committee  meeting
attended by such  Director,  if the Committee  meeting is held on a separate day
from a Board meeting.


Section 16(a) - Beneficial Ownership Reporting Compliance

     Section  16(a) of the  Securities  and  Exchange  Act of 1934,  as amended,
requires the Company's  officers,  directors,  and persons who own more than ten
percent (10%) of a registered class of the Company's  equity  securities to file
reports  of  ownership  on Forms 3, 4, and 5 with the  Securities  and  Exchange
Commission  and the  Company.  Based on the  Company's  review of copies of such
forms, each officer,  director and 10% holder complied with his/her  obligations
in a timely  fashion with respect to  transactions  in securities of the Company
during the year ended December 31, 1998.


                                       8
<PAGE>

Stock Performance Graph

     The following graph compares the cumulative total returns for VideoServer's
Common  Stock with the  comparable  return for the NASDAQ Stock Market Index and
the NASDAQ  Electronic  Components  Stock Index (SIC Code 367), as calculated by
the Center  for  Research  in  Security  Prices at the  University  of  Chicago,
Graduate School of Business,  for the period beginning May 25, 1995 (the date on
which  VideoServer's  Common Stock was first registered with the SEC) and ending
December 31, 1998.


    [THE TABLE BELOW WAS REPRESENTED BY A LINE GRAPH IN THE PRINTED MATERIAL]

                    VIDEOSERVER, INC.    NASDAQ STOCK        SIC CODE 367
                                         MARKET INDEX

     5/25/95             $100                $100                $100
     12/29/95            $185                $121                $102
     12/31/96            $250                $149                $176
     12/31/97            $93                 $182                $185
     12/31/98            $108                $253                $286


     This graph  assumes the  investment  of $100 in  VideoServer's  Stock,  the
NASDAQ Index and the NASDAQ Electronic Components Stock Index as of May 25, 1995
(the date on which VideoServer's Common Stock was first registered with the SEC)
and assumes dividends were reinvested.  Additional measurement points are at the
remaining year ends thereafter -- December 31, 1995, December 31, 1996, December
31, 1997 and December 31, 1998.


                     PROPOSAL NO. 1 -- ELECTION OF DIRECTORS

     The Board of Directors is divided into three  classes.  Each class serves a
three-year  term. The Class I Directors'  terms will expire at the Meeting.  All
directors  will hold office  until their  successors  have been duly elected and
qualified.

     The Board's nominees for Class I Directors are Robert L. Castle and Paul J.
Ferri.  Shares represented by all proxies received by the Board of Directors and
not marked so as to withhold authority to vote for Messrs. Castle and Ferri will
be voted FOR the  election  of the  nominees.  Messrs.  Castle and Ferri will be
elected to hold office until the Annual  Meeting of  Shareholders  to be held in
2002 and until their respective  successors are duly elected and qualified.  The
nominees have indicated  their  willingness to serve,  if elected;  however,  if
either of them should be unable or unwilling to serve, the proxies will be voted
for the election of a substitute nominee designated by the Board of Directors or
for fixing the number of directors at a lesser number.

     The  following  table  sets  forth for the  nominees  to be  elected at the
Meeting  and for each  director  whose  term of office  will  extend  beyond the
Meeting,  his age, the  position(s)  currently  held by each nominee or director
with the  Company,  the year  such  nominee  or  director  was  first  elected a
director,  the year each nominee's or director's  term will expire and the class
of director of each nominee or director.


                                       9
<PAGE>

<TABLE>
<CAPTION>
                                              Position(s)          Director     Year Term         Class of
  Nominee or Director's Name     Age             Held               Since       Will Expire       Director
   -------------------------    -----          ---------           -------       ----------        -------
<S>                               <C>      <C>                     <C>              <C>             <C>
       Robert L. Castle           49       Chairman                1992             2002             I
       Paul J. Ferri              60       Director                1991             2002             I
       William E. Foster          54       Director                1994             2000            II
       Khoa D. Nguyen             45       President, Chief        1997             2001            III
                                           Executive Officer,
                                           and Director
       Steven C. Walske           47       Director                1994             2001            III
</TABLE>

     Robert L. Castle has served as a Director  since March 1992 and as Chairman
of the Board of  Directors  since  April  1998.  He served as  President  of the
Company from February 1992 until April 1998, and as Chief  Executive  Officer of
the Company  from March 1993 to April 1998.  Prior to joining the  Company,  Mr.
Castle was  employed  for eight  years at  FileNet  Corporation,  a supplier  of
document imaging equipment, in various positions including Senior Vice President
of Marketing  from October 1990 to February 1992 and Vice President of Marketing
from December 1987 to October 1990.  Previously,  Mr. Castle held  marketing and
general  management  positions  at Basic Four  Corp.,  a  developer  of software
applications,  and Sycor,  Inc.,  a developer  and  manufacturer  of  data-entry
terminals.

     Paul J. Ferri has been a Director of the Company  since March 1991.  He has
served as a General Partner of Matrix  Partners,  a venture capital firm,  since
1982. Mr. Ferri also serves as a director of Applix,  Inc.,  BancTec.  Inc., and
Tech Force Corp.

     William E. Foster has been a Director of the Company since  November  1994.
Mr. Foster is a founder and was Chairman of the Board of Stratus Computer, Inc.,
a manufacturer of continuously available computer platforms,  from 1980 to 1998.
He was Chief Executive Officer of Stratus Computer,  Inc. from 1980 to 1997. Mr.
Foster also serves as a director of Avid Technology, Inc.

     Khoa D. Nguyen has been a Director of the Company since  December 1997. Mr.
Nguyen was named President and Chief Executive  Officer of the Company effective
April 9,  1998.  Previously,  he had been  Executive  Vice  President  and Chief
Operating  Officer of the Company  since  September  1997.  Prior to joining the
company  Mr.   Nguyen  had  been   employed   at   PictureTel   Corporation,   a
videoconferencing company, where he served as Vice President of Engineering from
January  1993 to  February  1994,  and as Chief  Technology  Officer and General
Manager of the Group Systems and  Networking  Products  divisions  from February
1994 to August 1996. From August 1991 to December 1992, he was Vice President of
Engineering at VTEL Corporation,  a videoconferencing  company.  Previously, Mr.
Nguyen held various research and development positions at IBM Corporation.

     Steven C. Walske has been a Director of the Company since July 1994. He has
been Chairman of the Board and Chief Executive Officer of Parametric  Technology
Corporation,  a supplier of mechanical design and manufacturing software,  since
August 1994.  Previously,  he had been President and Chief Executive  Officer of
Parametric  since 1986.  Mr. Walske also serves as a director of Synopsys,  Inc.
and Object Design, Inc..


Board Meetings and Committees

     The Board of Directors held a total of eight meetings during the year ended
December 31, 1998.  During that period the Audit Committee of the Board held two
meetings and the Compensation Committee of the Board held five meetings. Each of
the directors  attended at least  seventy-five  percent (75%) of the meetings of
the Board of Directors and committees of the Board on which the director  served
during the year.

     The  Compensation  Committee  consists  of Messrs.  Ferri and  Walske.  The
Compensation  Committee  determines  the  compensation  of the Company's  senior
management and administers the Company's stock option plans. The Audit Committee
comprises Messrs.  Ferri,  Foster,  and Walske.  The Audit Committee  recommends
engagement of the Company's  independent  auditors,  consults with the Company's
auditors  concerning  the  scope of the  audit,  reviews  the  results  of their
examination,  reviews  and  approves  any  material  accounting  policy  changes
affecting the Company's  operating results,  and reviews the Company's financial
controls.

     The Board of Directors has no standing nominating committee.


                                       10
<PAGE>

Certain Transactions

     No transactions occuring between January 1, 1998 and the date hereof are to
be reported in this section.


The Board of Directors  unanimously  recommends a vote "FOR" the election of the
nominees listed above.


                   PROPOSAL NUMBER 2, APPROVAL OF AMENDMENT TO
                          EMPLOYEE STOCK PURCHASE PLAN


     In March 1999, the Board of Directors  adopted an Amendment to the Employee
Stock  Purchase  Plan  ("ESPP")  increasing  the number of shares  available for
purchase by 300,000 to 600,000  shares.  As of March 1999, of the 300,000 shares
originally  authorized under the ESPP, only 50,450 shares remained available for
issuance under further offerings.  The Board of Directors recommends approval of
the amendment  because it believes that the  availability  of an employee  stock
purchase  plan is an important  factor in the  Company's  ability to attract and
retain  employees  and provide an  incentive to them to exert their best efforts
for the Company.  Approval of the stockholders is sought to meet the stockholder
approval  requirements  of the ESPP  and  Rule  16(b)-3  of the  Securities  and
Exchange Act of 1934.

     The ESPP is intended to qualify as an employee  stock  purchase plan within
the meaning of Section 423 of the Internal  Revenue  Code. As such, no income is
taxable to a participant  until shares which have been  purchased are sold,  and
the federal tax  treatment  upon sale  depends upon whether the shares have been
held for two years following the beginning of the applicable offering period and
one year from the date of purchase. If shares are held for those periods,  there
is no  compensation  deduction  for the  Company.  The purpose of the ESPP is to
provide  employees  of the Company  (of which there were 270 as of December  31,
1998) an opportunity to participate in the growth and development of the Company
through the purchase of common  stock.  The plan is  implemented  by one or more
offerings from time to time and for such offering period(s) as determined by the
Board of Directors.  Each offering  period shall be no longer than  twenty-seven
months. The price at which common stock is purchased under the plan is the lower
of 85% of its fair market value at the commencement of an offering period or 85%
of its fair market value on the last day of the offering period.  Employees make
purchases  under the ESPP by authorizing  the Company to withhold from their pay
an amount between 2% and 10% of the employee's  annual rate of  compensation  at
the time the  option is  granted,  not to exceed  $25,000  in any one year.  The
following table sets forth the number of shares  purchased under the ESPP during
the fiscal year ended  December 31, 1998 by the named  executive  officers,  the
current executive officers as a group, and the non-executive officer employees.

   Name and Principal Position                                  Number of Shares
   --------------------                                           -------------
   Khoa D. Nguyen, President and Chief Executive Officer ........      --
   4/9/98 to Present

   Robert L. Castle President and Chief Executive Officer .......      --
   1/1/98 -- 4/8/98

   Dane A. Donaldson ............................................      --
   Vice President of Customer Service

   Martin R. Falaro .............................................     828
   Vice President of Marketing and Business Development

   Robert Lamkin ................................................      --
   Vice President of Sales (3)

   Stephen J. Nill ..............................................   2,029
   Vice President of Finance, Chief Financial Officer
   Treasurer, and Secretary

   Current Executive Officers as a Group ........................   5,185

   Non-executive Officer Employees ..............................  90,986

The Board of  Directors  unanimously  recommends  a vote "FOR"  approval  of the
Amendment


             PROPOSAL NO. 3 -- RATIFICATION OF SELECTION OF AUDITORS

     The  Board of  Directors  has  appointed  the  firm of  Ernst & Young  LLP,
certified public  accountants,  to serve as independent  auditors for the fiscal
year ending  December  31, 1999.  Ernst & Young LLP has served as the  Company's
independent  auditors  since 1993.  It is expected  that a member of the firm of
Ernst & Young LLP will be present at the Meeting and will be available to make a
statement and to respond to appropriate  questions.  If the  


                                       11
<PAGE>

shareholders  do not ratify  the  selection  of Ernst & Young LLP,  the Board of
Directors  may  consider   selection  of  other  independent   certified  public
accountants to serve as independent auditors, but no assurances can be made that
the Board of Directors will do so or that any other independent certified public
accountants would be willing to serve.


The Board of Directors  unanimously  recommends a vote "FOR" the ratification of
the appointees.


                                VOTING PROCEDURES

     The affirmative  vote of a plurality of the shares of the Company's  Common
Stock present or represented at the Meeting and entitled to vote is required for
the election of each Class I Director and the affirmative  vote of a majority of
such shares is required for approval of the Amendment to the Stock Purchase Plan
and the ratification of the appointment of the Company's auditors.  For purposes
of determining whether a proposal has received a majority vote, abstentions will
be included in the vote totals,  with the results that an  abstention  will have
the same effect as a negative  vote. In instances  where brokers are  prohibited
from  exercising  discretionary  authority for  beneficial  holders who have not
returned  a proxy  (so-called  "broker  non-votes"),  those  shares  will not be
included in the vote totals and,  therefore,  will have no effect on the outcome
of the vote.  Shares that abstain or for which the authority to vote is withheld
on certain matters will,  however,  be treated as present for quorum purposes on
all matters.


                                 OTHER BUSINESS

     The Board of Directors  knows of no business  which will be  presented  for
consideration  at the Meeting  other than that stated above.  If other  business
should  come before the  Meeting,  the  persons  named in the proxies  solicited
hereby, each of whom is an employee of the Company,  may vote all shares subject
to such proxies with respect to any such  business in the best  judgment of such
persons.


                              SHAREHOLDER PROPOSALS

     It is currently  contemplated  that the 2000 Annual Meeting of Shareholders
will be held on or about May 17, 2000.  Proposals of  shareholders  intended for
inclusion in the proxy statement to be furnished to all shareholders entitled to
vote at the next annual meeting of the Company must be received at the Company's
principal  executive  offices not later than  December 15, 1999. It is suggested
that  proponents  submit  their  proposals  by certified  mail,  return  receipt
requested.


Dated: April 13, 1999



                                       12

<PAGE>


                               VIDEOSERVER, INC.

                       1995 EMPLOYEE STOCK PURCHASE PLAN

                               AMENDMENT NUMBER 1


This  Amendment  Number 1  effective  this 18th day of March,  1999  amends  the
VideoServer, Inc. 1995 Employee Stock Purchase Plan (the "Plan").

Section 6 of the Plan is hereby amended to read as follows:

6. Shares of Stock  Subject to the Plan.  No more than an  aggregate  of 600,000
shares of Stock may be issued or  delivered  pursuant to the exercise of Options
granted  under the Plan (such  maximum  number of shares taking into account the
effects of the one-for-two reverse stock split referred to above, and subject to
automatic  proportionate  adjustment  in the event of any other stock  dividend,
stock  split,  stock  combination,   recapitalization  or  other  similar  event
affecting the Common Stock and to  adjustments  made in accordance  with Section
9.7.) Shares to be delivered  upon  exercise of Options may be either  shares of
Stock that are authorized but unissued or shares of Stock held by the Company in
its treasury.  If an Option  expires or terminates for any reason without having
been exercised in full, the unpurchased shares subject to the Option will become
available  for other  Options  granted under the Plan. At all times during which
Options are outstanding,  the Company will reserve and keep available sufficient
shares of Stock to cover the exercise in full of such Options,  and will pay all
fees and expenses incurred by the Company in connection therewith.

Except  as  amended  herein,  the Plan  shall  remain in force  and  effect,  in
accordance with its terms.

<PAGE>

                               VIDEOSERVER, INC.

                       1995 EMPLOYEE STOCK PURCHASE PLAN

     1.  Definitions.  As used in this  1995  Employee  Stock  Purchase  Plan of
VideoServer,  Inc., the following terms have the respective meanings ascribed to
them below:

     (a)  Base  Compensation  means  annual  or  annualized  base  compensation,
exclusive of overtime,  bonuses,  contributions  to employee  benefit plans, and
other fringe benefits.

     (b) Beneficiary  means,  with respect to any  Participating  Employee,  the
person  designated as beneficiary on such  Participating  Employee's  Membership
Agreement or other form provided by the Company for such purpose,  or if no such
beneficiary  is named,  the person to whom the Option is  transferred by will or
under the applicable laws of descent and distribution.

     (c) Board means the board of directors  of the Company,  except that if and
for so long as the board of directors of the Company has delegated its authority
with  respect  to the Plan to the  Committee  pursuant  to  Section  4, then all
references  in this Plan to the Board  will be deemed to refer to the  Committee
acting in such capacity.

     (d) Code means the Internal Revenue Code of 1986, as amended.

     (e) Company means VideoServer, Inc., a Delaware corporation.

     (f) Committee means the Compensation Committee of the Board.

     (g) Effective Date means the effective  date of the Company's  registration
statement on Form S-1, File No.  33-91132,  under the Securities Act of 1938, as
amended.

     (h) Eligible  Employee  means a person who is eligible under the provisions
of Section 7 to receive an Option as of a particular Offering Commencement Date.

     (i) Employer means, as to any particular  Offering Period,  the Company and
any Related  Corporation that is designated by the Board as a corporation  whose
Eligible  Employees  are  to  receive  Options  as  of  that  Period's  Offering
Commencement Date.

<PAGE>

                                      -2-

     (j) Market Value means, as of the Offering  Commencement  Date of the first
Offering  Period under this Plan,  the initial  public  offering  price at which
shares of Stock  are  offered  to the  public,  as  specified  in the  Company's
registration  statement  on Form S-1  referred  to  above,  and as of any  other
particular date, (i) if the Stock is listed on a national  securities  exchange,
the closing price of the Stock on such exchange on such date,  (ii) if the Stock
is not  listed on a  national  securities  exchange  but is quoted  through  the
National Association of Securities Dealers, Inc., Automated Quotation ("NASDAQ")
National  Market  System or any  successor  thereto,  the last sale price of the
Stock so quoted on such date, and (iii) if the Stock is not listed on a national
securities  exchange or quoted through the NASDAQ  National Market System or any
successor thereto,  but is quoted through NASDAQ other than through the National
Market System, or is otherwise  publicly traded,  the average of the closing bid
and asked prices of the Stock so quoted or otherwise reported on such date.

     (k)  Membership  Agreement  means  an  agreement  whereby  a  Participating
Employee  authorizes an Employer to withhold payroll  deductions from his or her
Base Compensation.

     (l) Offering  Commencement Date means the first business day of an Offering
Period on which Options are granted to Eligible Employees.

     (m) Offering  Period means (i) in the case of the initial  Offering  Period
hereunder,  the period  running from the Effective Date to January 31, 1996, and
(ii) in the  case of each  subsequent  Offering  Period,  a  semi-annual  period
running from  February 1 to the next  following  July 31 or from August 1 to the
next  following  January 31; during which options will be offered under the Plan
pursuant to a determination by the Board.

     (n) Offering  Termination  Date means the last  business day of an Offering
Period, on which Options must, if ever, be exercised.

     (o) Option means an option to purchase  shares of Stock  granted  under the
Plan.

     (p) Option Shares means shares of Stock purchasable under an Option.

     (q) Participating  Employee means an Eligible Employee to whom an Option is
granted.

     (r) Plan means this 1995 Employee  Stock  Purchase Plan of the Company,  as
amended from time to time.


<PAGE>

                                      -3-


     (s) Related  Compensation  means any corporation that is or during the term
of the Plan becomes a parent  corporation of the Company,  as defined in Section
424(e) of the Code, or a subsidiary  corporation  of the Company,  as defined in
Section 424(f) of the Code.

     (t) Stock  means the  common  stock,  $0.01  par  value per  share,  of the
Company, to be authorized upon stockholder approval of certain amendments to the
Company's Amended and Restated  Certificate of Incorporation,  authorized by the
Board on April 12,  1995,  authorizing  a  one-for-two  reverse  stock split and
setting the par value of the  Company's  Common  Stock at $0.01,  and the filing
with the Delaware Secretary of State of an appropriate  certificate of amendment
to such  Amended  and  Restated  Certificate  of  Incorporation  effecting  such
changes.

     2.  Purpose of the Plan.  The Plan is intended to  encourage  ownership  of
Stock by employees of the Company and any Related Corporations and to provide an
additional incentive for the employees to promote the success of the business of
the Company and any Related  Corporations.  It is intended that the Plan qualify
as an "employee  stock  purchase  plan" within the meaning of Section 423 of the
Code.

     3. Term of the Plan. The Plan will become  effective on the Effective Date.
No Option may be granted under the Plan after January 31, 2005.

     4.  Administration of the Plan. The Plan will be administered by the Board.
The  Board  will  determine  which  semi-periods  will be  Offering  Periods  in
accordance  with  Section  8, and which (if any)  Related  Corporations  will be
Employers as to each Offering Period. The Board will have authority to interpret
the Plan, to prescribe, amend, and rescind rules and regulations relating to the
Plan, to determine the terms of Options  granted under the Plan, and to make all
other determinations  necessary or advisable for the administration of the Plan.
All  determinations  of the Board under the Plan will be final and binding as to
all persons  having or claiming any interest in or arising out of the Plan.  The
Board may delegate all or any portion of its authority with respect to the Plan,
to the Committee,  and thereafter  until such delegation is revoked by the Board
all powers under the plan  delegated to the  Committee  will be exercised by the
Committee.

     5.  Termination and Amendment of Plan. The Board may terminate or amend the
Plan at any time; provided, however, that the Board may not, without approval by
the  holders of a majority  of the  outstanding  shares of Stock,  increase  the
maximum  number  of  shares of Stock  purchasable  under the Plan or change  the
description  of employees or classes of employees  eligible to receive  Options.
Without limiting the generality of the foregoing, but subject to the

<PAGE>

                                      -4-


foregoing proviso, the Board may amend the Plan from time to time to increase or
decrease  the length of any future  Offering  Periods  and to make all  required
conforming  changes to the Plan.  No  termination  or  amendment of the Plan may
adversely  affect the rights of a  Participating  Employee  with  respect to any
Option  held  by  the  Participating  Employee  prior  to  such  termination  or
amendment.

     6.  Shares of Stock  Subject  to the Plan.  No more  than an  aggregate  of
300,000  hares of Stock may be issued or  delivered  pursuant to the exercise of
Options  granted  under the Plan  (such  maximum  number of shares  taking  into
account the effects of the  one-for-two  reverse stock split  referred to above,
and  subject to  automatic  proportionate  adjustment  in the event of any other
stock  dividend,  stock split,  stock  combination,  recapitalization,  or other
similar event  affecting the Common Stock and to adjustments  made in accordance
with Section 9.7). Shares to be delivered upon exercise of Options may be either
shares of Stock that are  authorized but unissued or shares of Stock held by the
Company  in its  treasury.  If an Option  expires or  terminates  for any reason
without  having been exercised in full,  the  unpurchased  shares subject to the
Option will become  available for other  Options  granted under the Plan. At all
times during which  Options are  outstanding,  the Company will reserve and keep
available  sufficient  shares  of Stock to cover  the  exercise  in full of such
Options,  and  will  pay all  fees  and  expenses  incurred  by the  Company  in
connection therewith.

     7. Persons Eligible to Receive  Options.  Each employee of an Employer will
be granted an Option on each Offering  Commencement  Date on which such employee
meets all of the following requirements:

     (a) The  employee is  customarily  employed  by an  Employer  for more than
twenty hours per week and for more than five months per calendar year.

     (b) The employee will not, after grant of the Option,  own Stock possessing
five percent or more of the total combined  voting power or value of all classes
of stock of the  Company or of any  Related  Corporation.  For  purposes of this
paragraph (b), the rules of Section 424(d) of the Code will apply in determining
the Stock  ownership of the  employee,  and Stock that the employee may purchase
under outstanding options will be treated as Stock owned by the employee.

     (c) Upon grant of the Option, the employee's rights to purchase Stock under
all employee  stock purchase plans (as defined in Section 423(b) of the Code) of
the  Company and its Related  Corporations  will not accrue at a rate  exceeding
$25,000  of Market  Value of Stock  (determined  as of the grant  date) for each
calendar year in which such Option is outstanding at any time. The

<PAGE>

                                      -5-


accrual  of rights to  purchase  Stock will be  determined  in  accordance  with
Section 423(b)(8) of the Code.

     8.  Offering  Commencement  Dates.  Options  will be  granted  on the first
business day of the period  running from the Effective Date to January 31, 1996,
and of each  semi-annual  period  running from February 1 to the next  following
July 31 or from August 1 to the next following January 31, that is designated by
the Board as an Offering Period. Following the initial Offering Period under the
Plan (i.e., the period running from the Effective Date to January 31, 1996), all
succeeding  semi-annual  periods described above will be deemed Offering Periods
without need of further Board action unless and until contrary  action will have
been taken by the Board prior to the  beginning  of what would  otherwise  be an
Offering Period.

     9. Terms and Conditions of Options.

     9.1 General. All Options granted on a particular Offering Commencement Date
will comply  with the terms and  conditions  set forth in  Sections  9.2 through
9.11.  Subject to Sections  7(c) and 9.9,  each Option  granted on a  particular
Offering  Commencement Date will entitle the Participating  Employee to purchase
that  number of shares of Stock  equal to the result of $12,500  (or such lesser
amount as is selected by he Board, prior to the applicable Offering Commencement
Date, and applied  uniformly during the Offering Period then beginning)  divided
by the market Value of one such share on the Offering Commencement Date and then
rounded down, if necessary, to the nearest whole number.

     9.2 Purchase Price.  The purchase price of each Option Share will be 85% of
the  lesser  of (a) the  Market  Value of a share  of  Stock as of the  Offering
Commencement Date or (b) the Market Value of a share of Stock as of the Offering
Termination Date.

     9.3 Restrictions on Transfer.

     (a) Options may not be  transferred  otherwise  than by will or pursuant to
applicable  laws  of  descent  and  distribution.   During  the  lifetime  of  a
Participating  Employee,  such  Participating  Employee's  Options  may  not  be
exercised by anyone other than such Participating Employee.

     (b) The  Optionee  will  agree in the  Membership  Agreement  to notify the
Company  of any  transfer  of Option  Shares  within  two years of the  Offering
Commencement  Date for such Options  Shares.  The Company will have the right to
place a legend on all stock certificates  representing Option Shares instructing
the transfer agent to notify the Company of any transfer of such Options Shares.

<PAGE>

                                      -6-

The Company will also have the right to place a legend on all stock certificates
representing  Option  Shares  setting forth or referring to the  restriction  on
transferability of such Options Shares.

     9.4  Expiration.  Each  Option  will expire at the close of business on the
Offering  Termination  Date  or on such  earlier  date as may  result  from  the
operation of Sections 9.5 or 9.6.

     9.5  Termination  of Employment of Optionee.  If a  Participating  Employee
ceases for any reason  (other  than  death) to be  continuously  employed  by an
Employer, whether due to voluntary severance,  involuntary severance,  transfer,
or disaffiliation of a Related  Corporation with the Company,  his or her Option
will immediately  expire, and the Participating  Employee's  accumulated payroll
deductions will be returned by the Company.  For purposes of this Section 9.5, a
Participating  Employee  will be deemed to be employed  throughout  any leave of
absence for military service,  illness, or other bona fide purpose that does not
exceed the longer of ninety days or the period  during  which the  Participating
Employee's  reemployment  rights are  guaranteed by statute  (including  without
limitation the Veterans  Reemployment  Rights Act or similar statute relating to
military service) or by contract. If the Participating  Employee does not return
to  active  employment  prior  to the  termination  of such  period,  his or her
employment will be deemed to have ended on the ninety-first day of such leave of
absence (or such longer period  guaranteed by statute or by contract as provided
above).

     9.6  Death  of  Optionee.  If a  Participating  Employee  dies,  his or her
Beneficiary   will  be  entitled  to  withdraw  the   Participating   Employee's
accumulated  payroll   deductions,   or  to  purchase  shares  on  the  Offering
Termination  Date to the  extent  that the  Participating  Employee  would be so
entitled had he or she  continued  to be employed by an Employer.  The number of
shares purchasable will be limited by the amount of the Participating Employee's
accumulated  payroll deductions as of the date of his or her death.  Accumulated
payroll  deductions will be applied by the Company toward the purchase of shares
only if the  Participating  Employee's  Beneficiary  submits to the Employer not
later than the Offering  Termination  Date a written request that the deductions
be so applied.  Accumulated  payroll  deductions not withdrawn or applied to the
purchase of shares will be delivered by the Company to the Beneficiary  within a
reasonable time after the Offering Termination Date.

     9.7 Capital  Changes  Affecting the Stock.  In the event that,  between the
Offering  Commencement Date and the Offering Termination Date with respect to an
Option,  a stock dividend is paid or becomes payable in respect of the Stock, or
there occurs a split-up or contraction in the number of shares of

<PAGE>

                                      -7-

Stock,  the  number of shares of Stock for which the Option  may  thereafter  be
exercised  and  the  price  to  be  paid  for  each  such  share  will  both  be
proportionately  adjusted.  In the event that,  after the Offering  Commencement
Date, there occurs a  reclassification  or change of outstanding shares of Stock
or a consolidation or merger of the Company with or into another  corporation or
a sale or conveyance,  substantially as a whole, of the property of the Company,
the Participating  Employee will be entitled on the Offering Termination Date to
receive shares of Stock or other securities  equivalent in kind and value to the
shares of Stock he or she would have held if he or she had  exercised the Option
in full  immediately  prior  to such  reclassification,  change,  consolidation,
merger, sale, or conveyance and had continued to hold such shares (together with
all other shares and securities  thereafter issued in respect thereof) until the
Offering   Termination   Date.   In  the  event   that   there  is  to  occur  a
recapitalization  involving an increase in the par value of the Stock that would
result in a par value exceeding the exercise price under an outstanding  Option,
the Company will notify the  affected  Participating  Employee of such  proposed
recapitalization  immediately  upon its  being  recommended  by the Board to the
Company's  shareholders,  after which the  Participating  Employee will have the
right to  exercise  his or her  Option  prior to such  recapitalization;  if the
Participating  Employee fails to exercise the Option prior to  recapitalization,
the exercise price under the Option will be appropriately adjusted. In the event
that,  after the  Offering  Commencement  Date,  there occurs a  dissolution  or
liquidation  of the Company,  except  pursuant to a transaction to which Section
424(a) of the Code applies,  each Option will terminate,  but the  Participating
Employee  will  have  the  right to  exercise  his or her  Option  prior to such
dissolution or liquidation.

     9.8 Payroll Deductions.  A Participating Employee may purchase shares under
his or her Option  during  any  particular  Offering  Period by  completing  and
returning  to the  Company  at  least 15 days  prior  to the  beginning  of such
Offering Period a Membership  Agreement indicating a percentage (which will be a
full integer  between two and ten,  inclusive)  of his or her Base  Compensation
that is to be withheld each pay period (not to exceed an aggregate of $12,500 in
any Offering Period). No Participating  Employee will be permitted to change the
percentage of Base Compensation withheld during an Offering Period. However, not
more than once per Offering Period the Participating  Employee may cancel his or
her  Agreement,  and  withdraw  all  (but  not  less  than  all)  of  his or her
accumulated payroll deductions,  by submitting a written request therefor to the
Company not later than the close of business on the Offering  Termination  Date.
The  percentage of Base  Compensation  withheld may be changed from one Offering
Period to another.

     9.9 Exercise of Options. On the Offering Termination Date the Participating
Employee may purchase the number of shares purchasable by his


<PAGE>

                                      -8-


or her accumulated payroll deductions,  or if less, the maximum number of shares
subject to the Option as provided in Section 9.1, provided that:

     (a) If the total  number of shares that all  Optionees  elect to  purchase,
together with any shares  already  purchased  under the Plan,  exceeds the total
number of shares that may be purchased under the Plan pursuant to Section 6, the
number of shares that each  Optionee is permitted to purchase  will be decreased
pro rata based on the Participating Employee's accumulated payroll deductions in
relation to all accumulated  payroll  deductions  currently being withheld under
the Plan.

     (b) If the number of shares  purchasable  includes a fraction,  such number
will be adjusted to the next smaller whole number and the purchase price will be
adjusted accordingly.

Accumulated  payroll deductions not withdrawn prior to the offering  Termination
Date will be automatically applied by the Company toward the purchase of Options
Shares, or to the extent in excess of the aggregate purchase price of the shares
then purchasable by the  Participating  Employee,  refunded to the Participating
Employee,  except that where such excess is less than the  purchase  price for a
single share of Stock on the Offering  Termination Date, such excess will not be
refunded  but instead will be carried over and applied to the purchase of shares
in the first following Offering Period (subject to the possibility of withdrawal
by the Participating Employee during such Offering Period in accordance with the
terms of the Plan).

     9.10 Delivery of Stock.  Except as provided below, within a reasonable time
after the  Offering  Termination  Date,  the Company will deliver or cause to be
delivered to the  Participating  Employee a certificate or certificates  for the
number of shares purchased by the  Participating  Employee.  A stock certificate
representing the number of Shares purchased will be issued in the  participant's
name only, or if his or her  Membership  Agreement so specified,  in the name of
the  employee  and another  person of legal age as joint  tenants with rights of
survivorship. If any law or applicable regulation of the Securities and Exchange
Commission or other body having  jurisdiction  in the premises will require that
the Company or the Participating Employee take any action in connection with the
shares  being  purchased  under  the  Option,  delivery  of the  certificate  or
certificates  for such shares will be postponed until the necessary  action will
have  been  completed,  which  action  will be taken by the  Company  at its own
expense,  without  unreasonable  delay.  The  Optionee  will have to rights as a
shareholder  in  respect  of  shares  for  which  he or she has not  received  a
certificate.


<PAGE>

                                      -9-


     9.11  Return of  Accumulated  Payroll  Deductions.  In the  event  that the
Participating  Employee  or  the  Beneficiary  is  entitled  to  the  return  of
accumulated  payroll  deductions,  whether  by reason of  voluntary  withdrawal,
termination of employment,  or death, or in the event that  accumulated  payroll
deductions exceed the price of shares purchased, such amount will be returned by
the Company to the  Participating  Employee or the Beneficiary,  as the case may
be, not later than within a reasonable  time following the Offering  Termination
Date  applicable  to the Option  Period in which  such  deductions  were  taken.
Accumulated  payroll  deductions  held by the Company will not bear interest nor
will the  Company  be  obligated  to  segregate  the same  from any of its other
assets.

<PAGE>

                                  DETACH HERE

|X| Please mark 
    votes as in 
    this example.

1.   Election of two Class I Directors.

Nominees:  (01) Robert L. Castle and (02) Paul J. Ferri

                  FOR         WITHHELD
                  |_|           |_| 

     |_| ______________________________________
         For all nominees except as noted above


2.   Approval of Amendment to Employee        FOR        AGAINST       ABSTAIN
     Stock Purchase Plan.                     |_|          |_|           |_|

3.   Ratification of Appointment of           FOR        AGAINST       ABSTAIN
     Independent Accountants.                 |_|          |_|           |_|  



4.   In their  discretion,  the proxies are  authorized  to vote upon such other
     business  as may  properly  come  before the  meeting  or any  adjournments
     thereof.
                                             

MARK HERE FOR ADDRESS CHANGE AND NOTE AT LEFT      |_|

PLEASE MARK, SIGN, DATE AND RETURN THE PROXY FORM PROMPTLY USING THE ENCLOSED
SELF-ADDRESSED ENVELOPE.


Please sign exactly as name appears hereon. Joint owners should each sign. When
signing as attorney, executor, administrator, trustee or guardian, please give
full title as such. If shares are held of record by a corporation, please sign
in full corporate name by president or other authorized officer. Partnerships
should sign in partnership name by an authorized signatory.


<PAGE>

                                 DETACH HERE


                                     PROXY

                               VIDEOSERVER, INC.

          This proxy is Solicited on Behalf of the Board of Directors
                      of the Company for its Annual Meeting
                                  May 12, 1999


     The undersigned hereby appoints Paul L. Criswell and Stephen J. Nill as
proxies, each with full power of substitution, and hereby authorizes them or
either of them to represent and to vote as designated below all shares of Common
Stock of VideoServer, Inc., held of record by the undersigned on March 26, 1999
at the Annual Meeting of Stockholders to be held at the Offices of the Company,
63 Third Avenue, Burlington, Massachusetts on May 12, 1999 and at any
adjournments or postponements thereof.

     WHEN PROPERLY EXECUTED, THIS PROXY WILL BE VOTED IN THE MANNERS DIRECTED
HEREIN BY THE UNDERSIGNED STOCKHOLDER. IF NO DIRECTION IS GIVEN, THIS PROXY WILL
BE VOTED "FOR" THE ELECTION OF DIRECTORS AND "FOR" THE OTHER PROPOSALS.


- -----------                                                          -----------
SEE REVERSE        CONTINUED AND TO BE SIGNED ON REVERSE SIDE        SEE REVERSE
   SIDE                                                                  SIDE




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