VICOR CORP
DEF 14A, 2000-04-26
ELECTRONIC COMPONENTS, NEC
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                                  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

Filed by the Registrant [X]     Filed by a Party other than the Registrant [  ]
- ------------------------------------------------------------------------------

Check the appropriate box:
[ ] Preliminary Proxy Statement
[X] Definitive Proxy Statement
[ ] Definitive Additional Materials
[ ] Soliciting Material Pursuant to ss.240.14a-11(c) or ss.240.14a-12
[ ] Confidential, for Use of the Commission Only (as permitted by Rule
    14a-6(e)(2)

                                Vicor Corporation
                (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>






                             [VICOR CORPORATE LOGO]

                                 April 26, 2000

Dear Stockholder:

     You are cordially invited to attend the 2000 Annual Meeting of Stockholders
(the "Annual  Meeting") of Vicor  Corporation  (the  "Corporation").  The Annual
Meeting will be held:

                DATE:      June 29, 2000
                TIME:      5:00 P.M. Local Time
                PLACE:     Andover Country Club
                           60 Canterbury Street
                           Andover, Massachusetts

     The attached  Notice of Annual Meeting and Proxy Statement cover the formal
business of the Annual Meeting.  The  accompanying  Proxy  Statement  contains a
discussion of the matters to be voted upon at the Annual Meeting.  At the Annual
Meeting your  management will report on the operations of the  Corporation,  and
directors  and  officers  of the  Corporation  will  respond to  questions  that
stockholders may have.

     The Board of Directors encourages you to promptly complete, date, sign, and
return your Proxy Card.  Return of the Proxy Card indicates your interest in the
Corporation's  affairs.  If you attend the Annual  Meeting and wish to vote your
shares in person you may revoke your proxy at that time.

                                           Sincerely yours,


                                           /S/ PATRIZIO VINCIARELLI
                                           ------------------------
                                           President and Chairman of the Board


<PAGE>



                                VICOR CORPORATION

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

                    NOTICE OF ANNUAL MEETING OF STOCKHOLDERS
                      TO BE HELD ON THURSDAY, JUNE 29, 2000
                         -----------------------------

     NOTICE IS HEREBY GIVEN that the 2000 Annual  Meeting of  Stockholders  (the
"Annual  Meeting")  of Vicor  Corporation  (the  "Corporation")  will be held on
Thursday,  June 29, 2000 at 5:00 p.m.,  local time, at the Andover Country Club,
60 Canterbury Street, Andover, Massachusetts, for the following purposes:

     1. To fix the number of Directors at six and to elect six Directors to hold
office until the 2001 Annual Meeting of Stockholders  and until their respective
successors are duly elected and qualified;

     2. To approve and ratify the 2000 Stock Option and Incentive Plan; and

     3. To consider and act upon any other matters which may be properly brought
before the Annual Meeting, or any adjournments or postponements thereof.

     Any action may be taken on the foregoing proposals at the Annual Meeting on
the date specified above, or on any date or dates to which, by original or later
adjournment, the Annual Meeting may be adjourned, or to which the Annual Meeting
may be postponed.

     The Board of  Directors  has fixed the close of  business on May 1, 2000 as
the record date for  determining the  stockholders  entitled to notice of and to
vote at the Annual Meeting and any adjournments or postponements  thereof.  Only
stockholders of record at the close of business on that date will be entitled to
notice  of  and  to  vote  at  the  Annual  Meeting  and  any   adjournments  or
postponements thereof.

     You are  requested  to fill in and sign the enclosed  Proxy Card,  which is
being  solicited  by the  Board of  Directors,  and to mail it  promptly  in the
enclosed  postage-prepaid  envelope.  Any  proxy  may be  revoked  by a  writing
delivered to the Corporation stating that the proxy is revoked or by delivery of
a later dated proxy.  Stockholders  of record who attend the Annual  Meeting may
vote in  person  by  notifying  the  Secretary,  even if  they  have  previously
delivered a signed proxy.

                                          By Order of the Board of Directors


                                          MARK A. GLAZER
                                          Secretary

Andover, Massachusetts
April 26, 2000

     WHETHER  OR NOT YOU PLAN TO ATTEND  THE ANNUAL  MEETING,  PLEASE  COMPLETE,
SIGN,  DATE  AND  PROMPTLY  RETURN  THE  ENCLOSED  PROXY  CARD  IN THE  ENCLOSED
POSTAGE-PREPAID  ENVELOPE.  IF YOU ATTEND THE ANNUAL MEETING,  YOU MAY VOTE YOUR
SHARES IN PERSON IF YOU WISH,  EVEN IF YOU HAVE  PREVIOUSLY  RETURNED YOUR PROXY
CARD.


<PAGE>



                                VICOR CORPORATION

                                25 FRONTAGE ROAD
                          ANDOVER, MASSACHUSETTS 01810
                            TELEPHONE (978) 470-2900

                                 PROXY STATEMENT
                   FOR THE 2000 ANNUAL MEETING OF STOCKHOLDERS
                      TO BE HELD ON THURSDAY, JUNE 29, 2000

                                                                  April 26, 2000

     This Proxy  Statement is furnished in connection  with the  solicitation of
proxies by the Board of Directors of Vicor Corporation (the  "Corporation") from
holders of the outstanding shares of capital stock of the Corporation for use at
the  2000  Annual  Meeting  of  Stockholders  of the  Corporation  to be held on
Thursday, June 29, 2000 at 5:00 p.m. local time, at the Andover Country Club, 60
Canterbury  Street,   Andover,   Massachusetts,   and  at  any  adjournments  or
postponements   thereof  (the  "Annual   Meeting").   At  the  Annual   Meeting,
stockholders  will be asked to consider  the  proposals  set forth in this Proxy
Statement

     This Proxy  Statement  and the  accompanying  Notice of Annual  Meeting and
Proxy Card are first being sent to  stockholders  on or about May 19, 2000.  The
Board of Directors  has fixed the close of business on May 1, 2000 as the record
date for the determination of stockholders  entitled to notice of and to vote at
the Annual Meeting (the "Record Date"). Only stockholders of record at the close
of  business on the Record Date will be entitled to notice of and to vote at the
Annual  Meeting.  As of March 31, 2000,  there were  outstanding and entitled to
vote 30,407,093  shares of Common Stock and 12,011,348  shares of Class B Common
Stock of the Corporation. Each share of Common Stock entitles the holder thereof
to one vote per share and each share of Class B Common Stock entitles the holder
thereof to 10 votes per share.  Shares of Common  Stock and Class B Common Stock
will vote  together as a single class on the  proposals  set forth in this Proxy
Statement.

     Stockholders of the  Corporation are requested to complete,  date, sign and
return the accompanying Proxy Card in the enclosed envelope.  Shares represented
by a properly  executed  proxy  received prior to the vote at the Annual Meeting
and not revoked will be voted at the Annual Meeting as directed in the proxy. If
a properly  executed proxy is submitted and no instructions are given, the proxy
will be voted FOR the fixing of the Board of  Directors  at six and the election
of the six  nominees  for  Directors  of the  Corporation  named  in this  Proxy
Statement  and FOR the  approval and  ratification  of the 2000 Stock Option and
Incentive  Plan.  It is not  anticipated  that any matters  other than those set
forth in this Proxy Statement will be presented at the Annual Meeting.  If other
matters are presented,  proxies will be voted in accordance  with the discretion
of the proxy holders.


<PAGE>




     A  stockholder  of record may revoke a proxy at any time before it has been
exercised  by  (i)  filing  a  written  revocation  with  the  Secretary  of the
Corporation  at the address of the  Corporation  set forth above;  (ii) filing a
duly  executed  proxy  bearing  a later  date;  or (iii)  appearing  in  person,
notifying  the  Secretary  and  voting  by  ballot at the  Annual  Meeting.  Any
stockholder  of record as of the Record Date  attending  the Annual  Meeting may
vote in  person  whether  or not a proxy  has  been  previously  given,  but the
presence  (without  further  action) of a stockholder at the Annual Meeting will
not constitute revocation of a previously given proxy.

     The presence,  in person or by proxy,  of holders of a majority in interest
of all stock  issued,  outstanding  and  entitled to vote at the Annual  Meeting
shall constitute a quorum for the transaction of business at the Annual Meeting.
Shares that reflect  abstentions  or "broker  non-votes"  (i.e.,  shares held by
brokers or other  nominees that are  represented at the Annual Meeting but as to
which  such  brokers  or  nominees  have  not  received  instructions  from  the
beneficial  owners and,  with  respect to one or more but not all  issues,  such
brokers or nominees do not have discretionary  voting power to vote such shares)
will be counted for purposes of determining  whether a quorum is present for the
transaction of business at the Annual Meeting.

     The cost of solicitation  of proxies in the form enclosed  herewith will be
borne by the  Corporation.  In addition to the  solicitation of proxies by mail,
the  Directors,  officers  and  employees  of the  Corporation  may also solicit
proxies  personally  or by  telephone  without  special  compensation  for  such
activities.  The Corporation will also request  persons,  firms and corporations
holding  shares  in their  names or in the  names of their  nominees,  which are
beneficially owned by others, to send proxy materials to and obtain proxies from
such beneficial  owners.  The Corporation  will reimburse such holders for their
reasonable expenses in connection therewith.

     The Corporation's 1999 Annual Report,  including  financial  statements for
the  fiscal  year ended  December  31,  1999,  is being  mailed to  stockholders
concurrently with this Proxy Statement.

                                   PROPOSAL I

                              ELECTION OF DIRECTORS

     The Board of Directors of the Corporation has nominated the six individuals
named below for election as Directors. Each of the nominees is presently serving
as a Director of the Corporation.  If elected, the nominees will serve until the
2001 Annual Meeting of Stockholders  and until their  respective  successors are
duly  elected and  qualified.  Properly  executed  proxies will be voted for the
nominees  named below  unless  otherwise  specified  in the proxy.  The Board of
Directors  anticipates  that each of the nominees,  if elected,  will serve as a
Director.  However,  if any person  nominated by the Board of Directors fails to
stand for election or is unable to accept  election,  proxies  solicited  hereby
will be voted either for the election of another person  designated by the Board
of Directors or to fix the number of Directors at a lesser  number and elect the
nominees able and willing to serve. A plurality of the votes cast by the holders
of Common Stock and Class B Common Stock voting together as a single class for a
nominee for Director shall elect such nominee. Accordingly,  abstentions, broker
non-votes  and  votes  withheld  from any  Director  will have no effect on this
proposal.  Holders of voting  rights  sufficient  to elect each of the  nominees
named below have indicated an intention to vote in favor of such nominees.

     The  Board  of  Directors  unanimously  recommends  a vote  FOR  all of the
nominees.

                                        2


<PAGE>



INFORMATION REGARDING NOMINEES

     The  following  sets forth  certain  information  as of March 31, 2000 with
respect to the six nominees for election to the Board of Directors.  Information
regarding  the  beneficial  ownership  of  shares  of the  capital  stock of the
Corporation  by such  persons  is set forth  under  the  section  of this  Proxy
Statement entitled "Principal and Management Stockholders."

<TABLE>
<CAPTION>

  NAME                  AGE   DIRECTOR SINCE   PRINCIPAL OCCUPATION FOR PAST FIVE YEARS
  ----                  ---   --------------   ----------------------------------------
<S>                     <C>       <C>          <C>
Patrizio Vinciarelli .. 53       1981          Chairman of the Board, President and Chief Executive
                                               Officer of the Corporation.

Estia J. Eichten ...... 53       1981          Senior Scientist with the Fermi National Accelerator
                                               Laboratory in Batavia, Illinois; President of VLT Corporation,
                                               a wholly-owned subsidiary of the Corporation, since 1987

Jay M. Prager.......... 53       1993          Senior Vice President, Technology of the Corporation.

Barry Kelleher ........ 51       1999          Senior Vice President, Global Operations of the Corporation.

David T. Riddiford .... 64       1984          General Partner of the general partner of Venture Founders
                                               Partners, Limited Partnership  , a  venture  capital
                                               affiliate  of  Pell,  Rudman  & Co.,  Inc.,  an
                                               investment advisory firm, since 1987; general partner
                                               of the general partner of Venture Founders Capital,
                                               a venture capital partnership, since 1984.
                                               Mr. Riddiford is currently a Director of Datawatch Corporation.

M. Michael Ansour ..... 46       1993          Managing partner of Langdon Street Capital, L.P., an
                                               investment limited partnership in New York City, since 1992;
                                               Vice President of Kellner DiLeo & Co., an investment firm
                                               in New York City, from 1989 to 1991.
</TABLE>

     The Corporation's  Board of Directors held three meetings during the fiscal
year ended  December 31, 1999.  Each of the Directors  attended more than 75% of
the total  number of  meetings  of the Board of  Directors  and  meetings of the
committees of the Board of Directors on which he served.  The Board of Directors
has established an Audit Committee and an Executive Compensation Committee.  The
Audit  Committee held four meetings in 1999. The Audit  Committee is composed of
Messrs.  Ansour,  Eichten and  Riddiford.  The functions of the Audit  Committee
generally  include   recommending  the  appointment  of  independent   auditors,
reviewing  with the  independent  auditors  the scope and  results  of the audit
engagement,  and monitoring the Corporation's  internal financial and accounting
controls.  The Executive  Compensation Committee met once in 1999. The Executive
Compensation Committee is composed of Messrs.  Eichten,  Riddiford,  and Ansour.
The Executive  Compensation  Committee is responsible for establishing salaries,
bonuses  and  other  compensation  for  the  officers  of  the  Corporation  and
administering  the  Corporation's  stock  option  and bonus  plans  pursuant  to
authority delegated to it by the Board of Directors. The Board of Directors does
not have a standing nominating  committee.  The full Board of Directors performs
the function of such a committee.

DIRECTORS' COMPENSATION

     Directors of the Corporation do not currently receive cash compensation for
their service on the Board of Directors.  In 1999, each employee  Director other
than any Director who held in excess of 10% of the total number of shares of the
capital stock of the Corporation (i.e., Mr. Vinciarelli),  and each non-employee
Director  automatically  received non-qualified stock options upon election as a
Director under the Corporation's 1998 Stock Option and Incentive Plan (the "1998
Plan").  Such  employee  Directors  and  non-employee  Directors   automatically
received  non-qualified  stock  options to purchase up to 2,000 shares of Common
Stock, which become exercisable in five equal annual  installments of 400 shares
on each  anniversary  of the date of grant and  expire 10 years from the date of
grant.  Non-employee  Directors  also received  additional  non-qualified  stock
options to purchase up to 2,000 shares of Common Stock, which become exercisable
in their  entirety one year from the date of grant and expire 15 months from the
date of grant. All such options are exercisable at a price equal to $17.63,  the
last reported  sale price per share of Common Stock on the date of grant.  Under
the  Corporation's  2000 Stock Option and Incentive Plan, the Board of Directors
may, in its discretion,  grant non-qualified stock options to purchase shares of
Common Stock to Directors.  Beginning in 2000,  the Board of Directors will make
discretionary  option grants in lieu of automatic grants of non-qualified  stock
options to  Directors  made in prior  years under the  Corporation's  1993 Stock
Option Plan (the "1993 Plan") and the 1998 Plan.

                                        3


<PAGE>



    EXECUTIVE OFFICERS

     Executive  officers  hold  office  until their  successors  are elected and
qualified or until their earlier death,  resignation  or removal.  The following
persons are the executive officers of the Corporation.

     Patrizio  Vinciarelli,  53,  Chairman  of the  Board,  President  and Chief
Executive  Officer.  Dr.  Vinciarelli  founded the  Corporation  in 1981 and has
served as Chairman, President, and Chief Executive Officer since that time.


     Jay M. Prager, 53, Senior Vice President, Technology since 1991. Mr. Prager
held the  position of Vice  President,  Systems  Engineering  from 1987 to 1991.
Prior to joining the  Corporation in 1987, Mr. Prager was Director,  New Product
Development,  at  the  Modicon  Division  of  Gould,  Inc.,  a  manufacturer  of
industrial  control  equipment,  where he spent a total of nine years in various
engineering and engineering management roles.

     Barry Kelleher,  51, Senior Vice President,  Global  Operations since March
1999.  Mr.  Kelleher held the position of Senior Vice  President,  International
Operations  from 1993 to 1999.  Prior to joining the  Corporation  in 1993,  Mr.
Kelleher  was  employed at  Computer  Products  Inc.,  a  manufacturer  of power
conversion  products,  since 1981,  where he held the position of Corporate Vice
President and President of the Power Conversion Group.

     David W. Nesbitt, 54, Senior Vice President, North and South American Sales
since 1995. Mr. Nesbitt held the position of Vice President,  Sales from 1989 to
1992 and Vice  President,  North  American  Sales  from  1992 to 1995.  Prior to
joining the Corporation in 1989, Mr. Nesbitt was employed at Siliconix,  Inc., a
manufacturer of integrated circuits,  from 1981 to 1989. He held the position of
Central  Area  Manager  from  1981 to 1986,  at which  time he was  promoted  to
Director, North American Sales.

     Mark A. Glazer, 47, Chief Financial Officer, Treasurer, and Secretary since
1997.  From April 1998 to March  1999,  Mr.  Glazer was Acting  Vice  President,
Operations. Mr. Glazer held the position of Vice President, Finance from 1993 to
1997 and Controller of the Corporation  from 1988 to 1993.  Prior to joining the
Corporation  in 1988,  Mr.  Glazer was  employed by Analog and Digital  Systems,
Inc., a manufacturer of home and automotive stereo equipment, from 1983 to 1988,
where he was  Controller  from 1983 to 1986 and Treasurer  from 1986 to 1987, at
which time he was promoted to Vice President, Finance.

     N. Douglas Powers,  53, Vice  President,  Chief  Information  Officer since
1993. Mr. Powers held the position of Director,  Management  Information Systems
of the Corporation from 1989 to 1991 and Senior Director, Management Information
Systems from 1991 to 1993.  Prior to joining the Corporation in 1989, Mr. Powers
was  Director,  Research  and  Technical  Support at Stratus  Computer,  Inc., a
manufacturer of fault tolerant computer systems, from 1981 to 1989.

     Larry C.  Gretzinger,  52, Vice  President,  Quality  since 1997.  Prior to
joining the Corporation in 1997, Mr.  Gretzinger was employed at  Racal-Datacom,
Inc.,  a  designer,  manufacturer  and service  provider of data  communications
equipment, where he held the position of Vice President,  Corporate Quality from
1994 to 1997.  Previous positions during his eight year tenure at Racal-Datacom,
Inc. included Director,  Quality;  Manager, Quality Systems; and Manager, Master
Scheduling.

     Thomas A. St. Germain,  62, Vice President,  Financial Services since 1998.
From  1993 to 1998,  Mr.  St.  Germain  was  employed  at Summa  Four,  Inc.,  a
manufacturer  of  specialized  digital  switches,  where he held the position of
Senior Vice President, Chief Financial Officer and Treasurer.

     H. Allen  Henderson,  52, Vice  President,  Vicor  Corporation;  President,
Westcor  Division since March 1999.  Mr.  Henderson held the position of General
Manager of the Westcor Division from 1987 to 1999 and Sales Manager from 1985 to
1987.  Prior to joining the  Corporation in 1985, Mr.  Henderson was employed at
Boschert,  Inc., a manufacturer of power supplies, since 1984, where he held the
position of Director of Marketing.



                                        4


<PAGE>



                      PRINCIPAL AND MANAGEMENT STOCKHOLDERS

     The   following   table  sets  forth  the   beneficial   ownership  of  the
Corporation's  Common  Stock and Class B Common Stock held by (i) each person or
entity that is known to the Corporation to be the beneficial  owner of more than
five  percent of the  outstanding  shares of either  class of the  Corporation's
common stock, (ii) each Director of the Corporation, (iii) each of the executive
officers of the Corporation  named in the Summary  Compensation  Table, and (iv)
all Directors and executive officers as a group, based on representations of the
Directors  and  executive  officers of the  Corporation  as of March 31, 2000, a
review of filings on Schedules  13D, 13F and 13G under the  Securities  Exchange
Act of 1934,  as amended (the  "Exchange  Act"),  and  holdings  reported by the
National Association of Securities Dealers Automated Quotation System ("NASDAQ")
as of December 31, 1999.  Except as otherwise  specified,  the named  beneficial
owner has sole voting and investment  power over the shares.  The information in
the table reflects shares outstanding of each class of common stock on March 31,
2000,  and does not,  except as  otherwise  indicated  below,  take into account
conversions after such date of shares of Class B Common Stock into Common Stock.
Subsequent  conversions  of Class B Common Stock into Common Stock will increase
the voting  control of persons who retain  shares of Class B Common  Stock.  The
percentages  have been  determined as of March 31, 2000 in accordance  with Rule
13d-3 under the Exchange Act, and are based on a total of  42,418,441  shares of
common stock that were outstanding on such date, of which 30,407,093 were shares
of Common  Stock  entitled to one vote per share and  12,011,348  were shares of
Class B Common  Stock  entitled  to 10 votes per  share.  Each  share of Class B
Common Stock is convertible into one share of Common Stock.

<TABLE>
<CAPTION>

                                                                 TOTAL                                 PERCENT OF
                                                               NUMBER OF             PERCENT OF         CLASS B
                                                                SHARES             COMMON STOCK      COMMON STOCK       PERCENT
          NAME AND BUSINESS ADDRESS OF                       BENEFICIALLY          BENEFICIALLY      BENEFICIALLY      OF VOTING
             BENEFICIAL OWNER (1)                              OWNED (2)(3)           OWNED              OWNED            POWER
             --------------------                             ------------            -----              -----            -----
<S>                                                            <C>                     <C>                <C>             <C>
Patrizio Vinciarelli ..................................         20,963,595             32.7%              91.8%            79.8%
Estia J. Eichten ......................................          1,304,964(4)           2.0%               5.8%             5.0%
M. Michael Ansour .....................................             31,000              *                  *                *
David T. Riddiford ....................................            206,736(5)           *                  *                *
Jay M. Prager .........................................            104,982              *                  *                *
David W. Nesbitt.......................................             86,825              *                  *                *
Barry Kelleher ........................................             52,591              *                  *                *
All Directors and executive officers as a group
    (12 persons) ......................................         22,843,317             36.1%             98.0%             85.1%
Nevis Capital Management, Inc. ........................          3,395,353             11.2%              *                 2.3%
     119 St. Paul Street, Baltimore, MD 21202
</TABLE>

   -------------
   * Less than 1%

(1) The address of Mr.  Eichten is: c/o Fermi National  Accelerator  Laboratory,
    Kirk Road and Pine Street,  Batavia,  IL 60510. The address of each other
    person named in the table, but not specified  therein,  is: c/o Vicor
    Corporation,  25 Frontage Road, Andover, MA 01810.


(2)  Includes  shares  issuable upon the exercise of options to purchase  Common
     Stock that are exercisable or will become  exercisable on or before May 30,
     2000 in the  following  amounts:  Mr.  Vinciarelli,  9,393 shares of Common
     Stock; Mr. Eichten,  8,000 shares of Common Stock; Mr. Ansour, 8,000 shares
     of Common Stock; Mr.  Riddiford,  8,000 shares of Common Stock; Mr. Prager,
     72,686 shares of Common Stock; Mr. Nesbitt,  86,825 shares of Common Stock;
     Mr.  Kelleher,  51,591  shares of Common  Stock;  and all Directors and
     executive officers as a group, 329,105 shares of Common Stock.

(3)  The  calculation  of the total number of Common  Stock shares  beneficially
     owned includes the following:  for Mr.  Vinciarelli,  11,023,648  shares of
     Class B Common Stock;  for Mr.  Eichten,  690,700  shares of Class B Common
     Stock;  for Mr.  Ansour,  18,000  shares of Class B Common  Stock;  for Mr.
     Prager,  32,000 shares of Class B Common  Stock;  and for all Directors and
     executive officers as a group, 11,732,348 shares of Class B Common Stock.

                                        5


<PAGE>



(4)  Includes 8,500 shares of Common Stock  beneficially  owned by Mr. Eichten's
     spouse as to which Mr. Eichten disclaims beneficial ownership. In addition,
     Mr. Eichten is a trustee of the Bell S.  Frienberg  Memorial  Trust,  which
     holds  70,00  shares of  Common  Stock as to which  Mr.  Eichten  disclaims
     beneficial ownership.

(5)  Includes 101,236 shares of Common Stock held by Venture  Founders  Partners
     Limited  Partnership.  Mr. Riddiford,  a Director of the Corporation,  is a
     general partner of the general partner of Venture Founders Partners Limited
     Partnership.  Also includes 4,500 shares of Common Stock beneficially owned
     by Mr.  Riddiford's spouse as to which Mr. Riddiford  disclaims  beneficial
     ownership.


                             EXECUTIVE COMPENSATION

SUMMARY COMPENSATION TABLE

     The  following  table shows for the fiscal  years ended  December 31, 1997,
1998 and 1999 the  compensation  paid by the  Corporation to the Chief Executive
Officer and the other four most highly compensated executive officers who earned
more than $100,000 during 1999.

<TABLE>
<CAPTION>

                                                             ANNUAL COMPENSATION                      LONG TERM
                                                       --------------------------------------     COMPENSATION AWARDS
                                                                                 OTHER ANNUAL    -------------------
              NAME AND                                                           COMPENSATION     SHARES UNDERLYING
            PRINCIPAL POSITION                  YEAR    SALARY ($)    BONUS ($)    ($) (1)             OPTIONS (#)
            ------------------                  ----    ----------   ---------    -------             -----------
<S>                                             <C>    <C>           <C>          <C>                  <C>
Patrizio Vinciarelli .........................  1999    213,846        --           9,435              12,370
President and Chief                             1998    198,846        --           9,515               7,389
Executive Officer                               1997    190,615        --           8,820              10,574

Jay M. Prager ................................  1999    184,154        --           9,686              18,335
Sr. Vice President,                             1998    173,154        --           5,290               7,038
Technology                                      1997    168,115        --           9,119               9,620

David W. Nesbitt .............................  1999    180,099      12,037         9,452               6,857
Sr. Vice President,                             1998    154,230      21,744         9,039               2,683
North and South American Sales                  1997    147,712      17,967         9,040               3,866

Barry Kelleher ...............................  1999    178,613       4,516         9,034              17,000
Sr. Vice President,                             1998    154,230      14,540        14,172               6,805
Global Operations                               1997    145,914      13,667         9,465               2,626

H. Allen  Henderson ..........................  1999    157,123        --           6,888               9,863
Vice President, Vicor Corporation               1998    149,126        --           7,230               4,203
President, Westcor Division                     1997    142,386        --           6,000              13,858
</TABLE>

- ----------

(1)  This  column  sets  forth the cost of  providing  certain  perquisites  and
     benefits  to  the  named  executive  officers.  The  amounts  shown  relate
     primarily  to  automobile  allowances,  which  were  as  follows:  for  Mr.
     Vinciarelli,  $9,247 in 1999,  $9,242  in 1998,  and  $8,610  in 1997;  Mr.
     Prager,  $9,498 in 1999,  $5,017 in 1998, and $8,909 in 1997; Mr.  Nesbitt,
     $8,005 in 1999, $8,044 in 1998, and $7,916 in 1997; Mr. Kelleher, $7,875 in
     1999, $8,007 in 1998, and $7,760 in 1997; and Mr.  Henderson,  $6,700 1999,
     $6,000 in 1998, and $6,000 in 1997.

                                        6


<PAGE>


OPTION/SAR GRANTS IN LAST FISCAL YEAR

     The  following  table sets forth  each  grant of stock  options  during the
fiscal  year ended  December  31, 1999 to the Chief  Executive  Officer and each
other  executive  officer  named in the Summary  Compensation  Table.  All stock
options granted in 1999 relate to shares of the  Corporation's  Common Stock. No
stock  appreciation  rights ("SARs") have been granted by the  Corporation.  The
table also shows the value of the options granted at the end of the option terms
if the price of the Corporation's Common Stock were to appreciate annually by 5%
and 10%, respectively.  There is no assurance that the price of the Common Stock
will  appreciate  at the rates  shown in the  table.  If the price of the Common
Stock  appreciates,  the value of the Common Stock held by all stockholders will
increase.  A total of 1,865,943 options to purchase Common Stock were granted to
the Corporation's employees during fiscal year ended December 31, 1999.

<TABLE>
<CAPTION>

                                                   INDIVIDUAL GRANTS
                         -----------------------------------------------------------------
                                                                                                POTENTIAL REALIZABLE
                           NUMBER OF                                                              VALUE AT ASSUMED
                           SHARES                                                              ANNUAL RATES OF STOCK
                          UNDERLYING        PERCENT OF                                        PRICE APPRECIATION FOR
                         OPTIONS/SARS   TOTAL OPTIONS/SARS     EXERCISE OR                         OPTION TERM
                          GRANTED      GRANTED TO EMPLOYEES    BASE PRICE   EXPIRATION     ------------------------------
NAME                         (#)         IN FISCAL YEAR         ($/SH)        DATE            5%($)          10%($)
- ----                         ---         --------------         ------        ----            -----          ------
<S>                        <C>                <C>               <C>        <C>            <C>                <C>
Patrizio Vinciarelli.....   3,566(1)           0.19%           $12.06      2/29/2000     $  2,150         $  4,301
                            8,914(2)           0.48             12.06      3/01/2009       67,608          171,332
                              250(3)           0.01             19.75      7/29/2009        3,105            7,869

Jay M. Prager............   3,068(1)           0.17             12.06      2/29/2000        1,850            3,700
                            8,267(2)           0.45             12.06      3/01/2009       62,701          158,896
                            2,000(4)           0.11             17.63      6/24/2009       22,175           56,195
                            5,000(5)           0.27             20.00      6/29/2009       62,889          159,374

Barry Kelleher...........  15,000(2)           0.81             12.06      3/01/2009      113,767          288,308
                            2,000(4)           0.11             17.63      6/24/2009       22,175           56,195

David W. Nesbitt.........   6,857(2)           0.37             12.06      3/01/2009       52,007          131,795

H. Allen Henderson.......   2,612(1)           0.14             12.06      2/29/2000        1,575            3,150
                            1,244(2)           0.07             12.06      3/01/2009        9,435           23,910
                            6,007(2)           0.32             12.06      3/01/2009       45,560          115,458
</TABLE>

(1)  These  options  were  granted  on March 1, 1999 and became  exercisable  on
     October 25, 1999.

(2)  These options were granted on March 1, 1999 and become  exercisable in five
     equal annual installments on each anniversary of the date of grant.

(3)  These options were granted on July 29, 1999 and become  exercisable in five
     equal annual installments on each anniversary of the date of grant.

(4)  These options were granted on June 24, 1999 and become  exercisable in five
     equal annual installments on each anniversary of the date of grant.

(5)  These options were granted on June 29, 1999 and become  exercisable in five
     equal annual installments on each anniversary of the date of grant.

                                        7


<PAGE>




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

     The following  table sets forth the shares  acquired and the value realized
upon  exercise of options to purchase  Common Stock during the fiscal year ended
December  31,  1999 by the Chief  Executive  Officer  and each  other  executive
officer  named  in  the  Summary  Compensation  Table  and  certain  information
concerning the number and value of unexercised options.

<TABLE>
<CAPTION>

                                                                             NUMBER OF SHARES           VALUE OF UNEXERCISED
                                                                          UNDERLYING UNEXERCISED         IN-THE-MONEY OPTIONS
                                      SHARES ACQUIRED     VALUE      OPTIONS AT FISCAL YEAR-END(#)     AT FISCAL YEAR-END($)(1)
     NAME                              ON EXERCISE(#)    REALIZED($)   EXERCISABLE   UNEXERCISABLE    EXERCISABLE    UNEXERCISABLE
     ----                             --------------    -----------   -----------   -------------     -----------    -------------
<S>                                     <C>             <C>           <C>             <C>             <C>              <C>
Patrizio Vinciarelli ...............           0      $        0       13,506          15,552        $  310,329         366,181
Jay M.Prager .......................      48,068       1,290,396      104,476          23,988         3,699,040         554,095
David W. Nesbitt ...................       3,232          91,498       85,790          10,997         2,912,785         261,072
Barry Kelleher .....................      20,000         351,150       50,556          31,488         1,434,390         832,612
H.Allen Henderson ..................       7,612         177,253       16,219          18,916           452,205         462,726
</TABLE>

- ----------

(1)  Equal to the  aggregate  market  value of shares  covered  by  in-the-money
     options on December 31, 1999 (based on the last  reported sale price of the
     Corporation's  Common  Stock on NASDAQ on  December  31, 1999 of $40.50 per
     share), less the aggregate option exercise price.  Options are in-the-money
     if the market  value of the  shares  covered  thereby  is greater  than the
     option exercise price. All values assume  conversion of any shares of Class
     B Common Stock to Common Stock.

REPORT OF THE EXECUTIVE COMPENSATION COMMITTEE OF THE BOARD OF DIRECTORS

     The  Executive  Compensation  Committee  of the Board of  Directors  of the
Corporation (the "Committee") consists of David T. Riddiford,  Estia J. Eichten,
and M. Michael Ansour.  Messrs. Riddiford and Ansour are non-employee directors,
while  Mr.  Eichten  serves  as  President  of VLT  Corporation.  The  Committee
establishes  the terms of and grants awards under the  Corporation's  1993 Plan,
the 1998 Plan and other benefit plans. The Committee also approves  compensation
policies for executive officers.


COMPENSATION POLICIES FOR EXECUTIVE OFFICERS

     The Corporation's  compensation  program for executive  officers  currently
consists primarily of a base salary and awards of stock options.  In addition to
base salary,  the Corporation  provides certain benefits to executive  officers,
such as the use of automobiles  or automobile  allowances,  and enhanced  health
insurance coverage, that are not available to employees generally.

     Salary  levels for  executive  officers  are  proposed  by  management  and
approved by the Committee.  In connection  with salary  adjustments  made in the
beginning  of 1999,  the  Committee  reviewed  compensation  information  from a
national survey of the high technology industry. This survey contained data from
over four  hundred  companies,  including  the  Corporation  and  certain of the
companies  contained in the peer group used in formulating the Stock Performance
Graph  appearing on page 10. The Committee  believes that most salary levels for
executive officers of the Corporation are comparable to the median salary levels
of the companies surveyed.

     The primary element of the Corporation's incentive compensation program has
been the  granting of options to  purchase  shares of the  Corporation's  Common
Stock under the Corporation's 1993 Plan and 1998 Plan.  Substantially all of the
Corporation's  employees,  including its executive officers,  participate in the
Corporation's  1993 Plan and in the 1998  Plan.  The 1993 Plan and the 1998 Plan
are designed to give each  participating  employee an ownership  interest in the
Corporation  and to align  the  interests  of the  employees  with  those of the
Corporation's stockholders.

     Stock options are granted to employees and  executive  officers  based upon
guidelines  established by the Board of Directors and the Committee.  The number
of  continuation  option  awards  ("Continuation  Awards")  granted to executive
officers in 1999 was based on a formula that calculates the product of two times
the executive  officer's merit salary increase (based on the executive officer's
performance  review) divided by the market value per share of the  Corporation's
Common  Stock on the date of grant.  The  number of  shares  to be  granted  was
approved by the  Committee,  and was not based on any corporate or business unit
performance  measures.  All Continuation  Awards were made with a 5-year vesting
schedule.

                                        8


<PAGE>




     In addition to Continuation Awards under the 1993 Plan, the Corporation has
in the past granted  short-term  "bonus" stock options to all eligible employees
and officers (except those who participate in the Corporation's  sales incentive
plan),  which are exercisable  for  approximately  two years.  These grants were
designed to provide a short-term  incentive  under the 1998 Plan.  In 1999,  the
Corporation  granted  "bonus"  options at a rate of 20  percent  of base  salary
divided by the market value per share of the  Corporation's  Common Stock on the
date of grant to all  participating  executive  officers  and  employees  of the
Corporation.  Management recommends the grant of these options and the Committee
does not use  specific  or weighted  criteria  relating  to  performance  of the
Corporation in determining  whether to grant these awards.  Although  options of
this type have  typically been granted over the past few years at the rate of 20
percent  of  base  salary   divided  by  the  market  value  per  share  of  the
Corporation's Common Stock on the date of grant to all eligible employees,  this
program is discretionary and may be changed in the future.

     Also in 1999,  the  Corporation  granted  "long-term"  stock options to all
eligible employees and officers.  The long-term option awards are based upon the
employee's  length of service.  For eligible  employees and officers having less
than five years of service,  such long term  options are granted at a rate of 20
percent  of  base  salary   divided  by  the  market  value  per  share  of  the
Corporation's  Common Stock on the date of grant, and they become exercisable in
five equal annual  installments.  The rate increases to 30 percent at five years
of service, then increases an additional two percent for each year of service up
to a maximum of 50 percent at 15 years of service.

     Finally, to the extent applicable to the Corporation, the Committee intends
to review and to take any  necessary  and  appropriate  steps to ensure that the
Corporation complies with certain income tax regulations, which if not satisfied
would limit the deductibility of executive compensation above specified amounts.

COMPENSATION OF CHIEF EXECUTIVE OFFICER

     The  Committee  approves  the  annual  salary  for  Mr.  Vinciarelli,   the
Corporation's  Chief  Executive  Officer.  The Committee  does not have specific
criteria, either in terms of individual or corporate performance,  in evaluating
the base salary of the Chief Executive  Officer.  In light of the relatively low
cash  compensation  paid to the Chief Executive  Officer,  the Committee has not
attempted  to  relate  compensation  of  the  Chief  Executive  Officer  to  the
performance of the  Corporation.  Based on salary data from the survey discussed
above,  and other  sources,  the  Committee  believes  that the Chief  Executive
Officer's  salary  is at the  lower  end of the  range of  salaries  for CEOs of
comparable companies.

     In 1999,  the  Committee  determined  to  include  Mr.  Vinciarelli  in the
granting of stock options  described above as "bonus" and  "long-term"  options.
However, as in prior years, the Corporation continued to exclude Mr. Vinciarelli
from  the  granting  of  Continuation   Awards  because  of  Mr.   Vinciarelli's
significant  stock holdings in the  Corporation  and the practice of basing such
awards on performance reviews that were typically prepared by Mr. Vinciarelli.

               Submitted by the Executive Compensation Committee:
                                M. Michael Ansour
                                Estia J. Eichten
                               David T. Riddiford

COMPENSATION COMMITTEE INTERLOCKS AND INSIDER PARTICIPATION

     Messrs. Eichten,  Riddiford, and Ansour serve on the Committee. Mr. Eichten
serves as President of VLT Corporation,  the Corporation's licensing subsidiary,
but receives no compensation for such service.  Messrs.  Riddiford and Ansour do
not serve as officers of the  Corporation.  The  Corporation is not aware of any
compensation committee interlocks.


CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

     Mr.   Vinciarelli,   the  President  and  Chief  Executive  Office  of  the
Corporation, has borrowed a total of $1,625,393 from the Corporation pursuant to
a series of unsecured  term notes,  of which  $356,000 plus interest of $294,000
was paid during 1999.  The notes have terms of five years and are due at various
dates  through  March 2005.  The notes bear interest at the greater of the prime
borrowing  rate less 1%,  or the  applicable  federal  rate  under the  Internal
Revenue  Code  of  1986,  as  amended.  The  largest  aggregate  amount  of  all
indebtedness  outstanding  at  anytime  during  1999 was  $1,724,484,  including
accrued interest.  The aggregate amount of all loans outstanding as of April 17,
2000 was approximately $1,432,953, including accrued interest.

                                        9


<PAGE>




STOCKHOLDER RETURN PERFORMANCE GRAPH

     The graph set forth below presents the  cumulative,  five-year  stockholder
return for each of the  Corporation's  Common  Stock,  the Standard & Poor's 500
Index and an index of peer group  companies  selected  by the  Corporation  (the
"Peer Group"). The Peer Group consists of nine publicly-traded  companies in the
specialty electronic component industry: Analog Devices Incorporated; Burr-Brown
Corporation;    Cypress   Semiconductor   Corporation;    Dallas   Semiconductor
Corporation;  Integrated  Device  Technology  Incorporated;  Intel  Corporation;
Linear Technology  Corporation;  LSI Logic Corporation and Xilinx  Incorporated.
One company  historically  selected by the Corporation for inclusion in the Peer
Group  (i.e.,  AMP  Incorporated)  was  acquired in 1999.  The  Corporation  has
determined not to replace AMP Incorporated in its Peer Group. The  Corporation's
Common  Stock  began  trading  publicly on April 3, 1990.  The graph  assumes an
investment  of $100 on  December  31, 1994 in each of the  Corporation's  Common
Stock,  the  Standard  & Poor's  500  Index,  and the  Peer  Group  and  assumes
reinvestment of all dividends. The graph is market capitalization-weighted.

                    COMPARISON OF FIVE YEAR CUMULATIVE RETURN
                     AMONG VICOR CORPORATION, S&P 500 INDEX
                      AND AN INDEX OF PEER GROUP COMPANIES

<TABLE>
<CAPTION>

    Measurement Period            Vicor         S&P           Peer Group
   (Fiscal Year Covered)       Corporation    500 Index        Companies
- --------------------------     -----------    ----------       ---------
<S>                            <C>            <C>    >    <C>
Measurement Pt-12/31/94        $   100.00    $   100.00    $   100.00
       FYE 12/31/95            $   155.34    $   137.58    $   169.21
       FYE 12/31/96            $   129.61    $   169.17    $   341.28
       FYE 12/31/97            $   210.68    $   225.60    $   364.37
       FYE 12/31/98            $    69.90    $   290.08    $   594.98
       FYE 12/31/99            $   314.56    $   351.12    $   900.44

</TABLE>

                                       10


<PAGE>


                                   PROPOSAL II
                       PROPOSAL TO APPROVE AND RATIFY THE
                      2000 STOCK OPTION AND INCENTIVE PLAN

PROPOSAL

     The Board of Directors has adopted the 2000 Stock Option and Incentive Plan
(the "2000 Plan") for  Directors,  officers,  employees and other key persons of
the Corporation and its subsidiaries, subject to approval by the stockholders.

     The 2000 Plan is  administered  by the  Committee.  The  Committee,  in its
discretion,  may grant a variety of stock  incentive  awards based on the Common
Stock of the Corporation. Awards under the 2000 Plan include stock options (both
incentive  options  and  non-qualified  options),   stock  appreciation  rights,
restricted stock,  performance shares,  unrestricted  stock,  deferred stock and
dividend equivalent rights. These awards are described in greater detail below.

     Subject to adjustment for stock splits, stock dividends and similar events,
the total  number of shares of Common  Stock  that may be issued  under the 2000
Plan is 2,000,000 shares, of which no more than 100,000 shares will be available
for grants in the form of unrestricted  stock,  restricted  stock or performance
shares. In order to satisfy the performance-based  compensation exception to the
$1 million cap on the  Corporation's  tax deduction imposed by Section 162(m) of
the Internal  Revenue Code of 1986, as amended (the "Code"),  the 2000 Plan also
provides that stock options or stock appreciation rights with respect to no more
than 100,000  shares of Common Stock may be granted to any one individual in any
one calendar year. In general,  the shares issued by the  Corporation  under the
2000 Plan may be authorized  but unissued  shares,  or shares  reacquired by the
Corporation.  To the  extent  that  awards  under  the 2000  Plan do not vest or
otherwise revert to the Corporation,  the shares of Common Stock  represented by
such awards may be the subject of subsequent awards.

RECOMMENDATION

     The Board of Directors  believes that stock  options and other  stock-based
incentive  awards serve an important  role in the success of the  Corporation by
encouraging and enabling the officers and other employees of the Corporation and
its  Subsidiaries  upon whose  judgment,  initiative and efforts the Corporation
largely  depends  for the  successful  conduct  of its  business  to  acquire  a
proprietary interest in the Corporation. The Board of Directors anticipates that
providing  such  persons with a direct  stake in the  Corporation  will assure a
closer  identification  of the interests of  participants  in the 2000 Plan with
those of the Corporation, thereby stimulating their efforts on the Corporation's
behalf and strengthening  their desire to remain with the Corporation.  However,
under the  Corporation's  1993 Plan and 1998 Plan,  there are only  322,329  and
719,888  shares,  respectively,  remaining  available for  issuance.  The shares
available under the 1993 Plan and 1998 Plan will be utilized prior to any grants
of incentive stock options or non-qualified stock options under the 2000 Plan.

     The Board of Directors  believes  that the proposed 2000 Plan will help the
Corporation  to  achieve  its  goals  by  keeping  the  Corporation's  incentive
compensation  program  dynamic and  competitive  with those of other  companies.
Accordingly,  the Board of Directors  believes that the 2000 Plan is in the best
interests  of the  Corporation  and its  stockholders  and  recommends  that the
stockholders approve and ratify the 2000 Plan.

     The Board of Directors  unanimously  recommends a vote FOR the approval and
ratification of the 2000 Plan.

                                       11


<PAGE>



SUMMARY OF THE 2000 PLAN

     The following  description of certain features of the 2000 Plan is intended
to be a summary only.  The summary is qualified in its entirety by the full text
of the 2000 Plan, which is attached hereto as Exhibit A .

     PLAN  ADMINISTRATION;  ELIGIBILITY.  The 2000 Plan is  administered  by the
Committee,  which is  comprised  of not  less  than  two  Directors  who are not
employed by the Corporation or its subsidiaries ("Independent Directors").

     The Committee has full power to select,  from among the employees  eligible
for  awards,  the  individuals  to whom  awards  will be  granted,  to make  any
combination of awards to  participants,  and to determine the specific terms and
conditions  of each  award,  subject to the  provisions  of the 2000  Plan.  The
Committee  may permit Common Stock,  and other  amounts  payable  pursuant to an
award,  to be deferred.  In such instances,  the Committee may permit  interest,
dividends or deemed dividends to be credited to the amount of deferrals.

     Persons  eligible to participate  in the 2000 Plan will be those  employees
and  other  key  persons  of  the  Corporation  and  its  subsidiaries  who  are
responsible for or contribute to the management,  growth or profitability of the
Corporation  and  its  subsidiaries,  as  selected  from  time  to  time  by the
Committee.  There  are  approximately  1,500  persons  who will be  eligible  to
participate.  Independent  Directors  will also be eligible  for certain  awards
under the 2000 Plan.

     STOCK  OPTIONS.  The 2000 Plan  permits  the  granting  of (i)  options  to
purchase Common Stock intended to qualify as incentive stock options ("Incentive
Options")  under Section 422 of the Code and (ii) options that do not so qualify
("Non-Qualified  Options").  The option  exercise  price of each  option will be
determined  by the  Committee  but may not be less than 100% of the fair  market
value of the Common  Stock on the date of grant in the case of  incentive  stock
options,  and may not be less than 85% of the fair  market  value of the  Common
Stock on the date of grant in the case of Non-Qualified Options.

     The term of each option will be fixed by the  Committee  and may not exceed
10 years from date of grant in the case of an Incentive  Option.  The  Committee
will determine at what time or times each option may be exercised  and,  subject
to the  provisions  of the  2000  Plan,  the  period  of  time,  if  any,  after
retirement,  death, disability or termination of employment during which options
may be  exercised.  Options may be made  exercisable  in  installments,  and the
exercisability of options may be accelerated by the Committee.

     Upon exercise of options,  the option  exercise  price must be paid in full
either in cash or by certified or bank check or other  instrument  acceptable to
the Committee  or, if the Committee so permits,  by delivery of shares of Common
Stock that have been  beneficially  owned by the  optionee  for at least six (6)
months.  The exercise price may also be delivered to the Corporation by a broker
pursuant to irrevocable instructions to the broker from the optionee.

     At the  discretion of the Committee,  stock options  granted under the 2000
Plan may include a "re-load" feature pursuant to which an optionee exercising an
option by the delivery of shares of Common Stock would  automatically be granted
an  additional  stock  option  (with an exercise  price equal to the fair market
value of the Common Stock on the date the additional stock option is granted) to
purchase that number of shares of Common Stock equal to the number  delivered to
exercise the  original  stock  option.  The purpose of this feature is to enable
participants  to  maintain  any  equity  interest  in  the  Corporation  without
dilution.

     To qualify as Incentive  Options,  options must meet additional federal tax
requirements,  including  limits  on the value of shares  subject  to  Incentive
Options that first become  exercisable  in any one calendar  year, and a shorter
term  and  higher   minimum   exercise  price  in  the  case  of  certain  large
stockholders.

                                       12


<PAGE>



     STOCK OPTIONS GRANTED TO INDEPENDENT DIRECTORS.  The Board of Directors may
grant  Non-Qualified  Options to Independent  Directors in its  discretion.  The
ability of the Board of Directors to make such discretionary  grants shall be in
lieu of any automatic  grants of  Non-Qualified  Options under the 1993 Plan and
the 1998 Plan.

     STOCK  APPRECIATION  RIGHT.  The Committee  may award a stock  appreciation
right ("SAR") either as a  freestanding  award or in tandem with a stock option.
Upon exercise of the SAR, the holder will be entitled to receive an amount equal
to the excess of the fair  market  value on the date of exercise of one share of
Common Stock over the exercise  price per share  specified in the related  stock
option (or, in the case of a freestanding  SAR, the price per share specified in
such right,  which  price may not be less than 100% of the fair market  value of
the  Common  Stock on the date of grant)  times  the  number of shares of Common
Stock with  respect to which the SAR is  exercised.  This  amount may be paid in
cash, Common Stock, or a combination thereof, as determined by the Committee. If
the SAR is granted in tandem  with a stock  option,  exercise of the SAR cancels
the related option to the extent of such exercise.

     TAX WITHHOLDING.  Participants  under the 2000 Plan are responsible for the
payment of any federal, state or local taxes that the Company is required by law
to withhold upon any option  exercise or vesting of other  awards.  Participants
may elect to have the minimum  statutory tax withholding  obligations  satisfied
either by authorizing  us to withhold  shares of Common Stock to be issued to an
option  exercise or other award,  or by  transferring  to the Company  shares of
Common Stock having a value equal to the amount of such taxes.

     RESTRICTED  STOCK.  The  Committee  may award  shares  of  Common  Stock to
participants  subject to such  conditions and  restrictions as the Committee may
determine  ("Restricted  Stock").  These conditions and restrictions may include
the achievement of certain  performance  goals and/or  continued  employment (or
other business relationship) with the Corporation through a specified restricted
period.  The purchase price of shares of Restricted  Stock will be determined by
the Committee. If the performance goals and other restrictions are not attained,
the participants will forfeit their awards of Restricted Stock.

     DEFERRED STOCK AWARDS.  The  Corporation may award phantom stock units to a
participant,  subject to such  conditions and  restrictions as the Committee may
determine  ("Deferred  Stock Awards").  These  conditions and  restrictions  may
include  the  achievement  of  certain   performance   goals  and/or   continued
employment.  During the deferral period, the participant shall have no rights as
a stockholder, but may be credited with dividend equivalent rights (as described
below) with respect to the phantom  stock units  underlying  his or her Deferred
Stock Award. At the end of the deferral period, the Deferred Stock Award, to the
extent vested,  shall be paid to the participant in the form of shares of Common
Stock. In addition, the Committee may permit a participant to elect to receive a
portion of the cash  compensation  or  Restricted  Stock  otherwise  due to such
participant  in the form of a Deferred  Stock  Award,  subject to such terms and
conditions as the Committee may determine.

     UNRESTRICTED  STOCK.  The  Committee  may grant shares (at no cost or for a
purchase price  determined by the Committee) that are free from any restrictions
under the 2000 Plan ("Unrestricted Stock").  Unrestricted Stock may be issued to
employees  and key  persons  in  recognition  of past  services  or other  valid
consideration,  and may be  issued  in lieu of cash  bonuses  to be paid to such
employees and key persons.

     Subject to the consent of the  Committee,  an employee or key person of the
Corporation may make an advance irrevocable election to receive a portion of his
compensation in Unrestricted  Stock (valued at fair market value on the date the
cash compensation would otherwise be paid).

     PERFORMANCE SHARE AWARDS.  The Committee may grant performance share awards
to employees or other key persons  entitling the recipient to receive  shares of
Common Stock upon the achievement of individual or Corporation performance goals
and such other conditions as the Committee shall determine  ("Performance  Share
Awards").

                                       13

<PAGE>

     DIVIDEND  EQUIVALENT  RIGHTS.  The Committee may grant dividend  equivalent
rights,  which entitle the recipient to receive credits for dividends that would
have been  paid if the  recipient  had held  specified  shares of Common  Stock.
Dividend  equivalent rights may be granted as a component of another award or as
a freestanding award.  Dividend  equivalents credited under the 2000 Plan may be
paid  currently or be deemed to be  reinvested  in  additional  shares of Common
Stock,  which may  thereafter  accrue  additional  dividend  equivalents at fair
market value at the time of deemed  reinvestment  or on the terms then governing
the  reinvestment of dividends  under the  Corporation's  dividend  reinvestment
plan, if any. Dividend  equivalent  rights may be settled in cash,  shares, or a
combination  thereof,  in a single installment or installments,  as specified in
the award.  Awards payable in cash on a deferred basis may provide for crediting
and payment of interest equivalents

     ADJUSTMENTS  FOR STOCK  DIVIDENDS,  MERGERS,  ETC. The Committee  will make
appropriate adjustments in outstanding awards to reflect stock dividends,  stock
splits and similar events.  In the event of a merger,  liquidation,  sale of the
Corporation or similar event, as of the effective date of such transaction,  all
options and SARs shall  become  fully  exercisable  and all other  awards  shall
become fully  vested,  except as the  Committee  may  otherwise  determine  with
respect to particular awards. Unless provision is made in connection with such a
transaction for the assumption of outstanding awards or the substitution of such
awards with new  awards,  the 2000 Plan and all  outstanding  options and awards
shall terminate.

     AMENDMENTS AND TERMINATION. The Board of Directors may at any time amend or
discontinue  the 2000  Plan and the  Committee  may at any time  amend or cancel
outstanding  awards for the purpose of satisfying  changes in the law or for any
other  lawful  purpose.  However,  no such action may be taken  which  adversely
affects  any rights  under  outstanding  awards  without the  holder's  consent.
Further,  2000 Plan amendments shall be subject to approval by the Corporation's
stockholders if and to the extent required by the Code to preserve the qualified
status of Incentive Options.

     CHANGE OF CONTROL PROVISIONS. The 2000 Plan provides that in the event of a
"Change of Control" (as defined in the 2000 Plan) of the Corporation,  all stock
options  and  stock  appreciation  rights  shall   automatically   become  fully
exercisable. In addition, at any time prior to or after a Change of Control, the
Committee may accelerate  awards and waive  conditions and  restrictions  on any
awards to the extent it may determine appropriate.

EFFECTIVE DATE OF 2000 PLAN

     The 2000  Plan  will  become  effective  upon the  affirmative  vote of the
holders  of at  least  a  majority  of the  votes  cast at the  Annual  Meeting.
Accordingly,  abstentions  and  broker  non-votes  will  have no  effect on this
proposal.  Awards of Incentive  Stock Options may be granted under the 2000 Plan
until March 31, 2010.

     No  grants  have  been  made with  respect  to the  shares of Common  Stock
reserved for issuance  under the 2000 Plan. The number of shares of Common Stock
that  may be  granted  to  executive  officers  and  non-executive  officers  is
indeterminable at this time, as such grants are subject to the discretion of the
Committee.

TAX ASPECTS UNDER THE U.S. INTERNAL REVENUE CODE

     The following is a summary of the principal federal income tax consequences
of option  grants  under the 2000 Plan.  It does not  describe  all  federal tax
consequences  under the 2000 Plan,  and it does not describe  state or local tax
consequences.

     INCENTIVE OPTIONS

     Under the Code,  an employee will not realize  taxable  income by reason of
the grant or the exercise of an Incentive  Option.  If an employee  exercises an
Incentive  Option and does not dispose of the shares  until the later of (a) two
years  from the date the  option  was  granted or (b) one year from the date the
shares were transferred to the employee,  the entire gain, if any, realized upon
disposition  of such shares will be taxable to the employee as capital gain, and
the Corporation will not be entitled to any deduction.  If an employee  disposes
of the shares  within  such  one-year  or  two-year  period in a manner so as to
violate the holding period  requirements (a  "disqualifying  disposition"),  the
employee generally will realize ordinary income in the year of disposition,  and
the Corporation  will receive a corresponding  deduction,  in an amount equal to
the  excess  of (1) the  lesser  of (x) the  amount,  if  any,  realized  on the
disposition  and (y) the fair market  value of the shares on the date the option
was exercised  over (2) the option price.  Any  additional  gain realized on the
disposition of the shares acquired upon exercise of the option will be long-term
or short-term  capital gain and any loss will be long-term or short-term capital
loss depending upon the holding period for such shares.

                                       14

<PAGE>

The  employee  will be  considered  to have  disposed of his shares if he sells,
exchanges,  makes a gift of or  transfers  legal title to the shares  (except by
pledge or by transfer  on death).  If the  disposition  of shares is by gift and
violates the holding period requirements,  the amount of the employee's ordinary
income (and the  Corporation's  deduction)  is equal to the fair market value of
the shares on the date of exercise less the option price.  If the disposition is
by sale or exchange, the employee's tax basis will equal the amount paid for the
shares  plus any  ordinary  income  realized  as a result  of the  disqualifying
distribution.  The exercise of an  Incentive  Option may subject the employee to
the alternative minimum tax.

     Special  rules apply if an employee  surrenders  shares of Common  Stock in
payment of the exercise price of his Incentive Option.

     An Incentive Option that is exercised by an employee more than three months
after an employee's  employment  terminates  will be treated as a  Non-Qualified
Option  for  federal  income tax  purposes.  In the case of an  employee  who is
disabled,  the three-month  period is extended to one year and in the case of an
employee who dies, the three-month employment rule does not apply.

NON-QUALIFIED OPTIONS

     There are no federal income tax consequences to either the optionee, or the
Corporation  on the  grant  of a  Non-Qualified  Option.  On the  exercise  of a
Non-Qualified  Option,  the  optionee  (except as  described  below) has taxable
ordinary income equal to the excess of the fair market value of the Common Stock
received  on the  exercise  date  over  the  option  price  of the  shares.  The
optionee's  tax basis for the shares  acquired upon exercise of a  Non-Qualified
Option is increased by the amount of such taxable income.  The Corporation  will
be entitled to a federal income tax deduction in an amount equal to such excess.
Upon the sale of the shares acquired by exercise of a Non-Qualified  Option, the
optionee  will realize  long-term or short-term  capital gain or loss  depending
upon his or her holding period for such shares.

     Special  rules apply if an optionee  surrenders  shares of Common  Stock in
payment of the exercise price of a Non-Qualified Option.

PARACHUTE PAYMENTS

     The  exercise of any portion of any option that is  accelerated  due to the
occurrence  of a change of  control  may cause a portion  of the  payments  with
respect to such  accelerated  options to be treated as  "parachute  payments" as
defined in the Code. Any such parachute  payments may be  non-deductible  to the
Corporation,  in  whole  or  in  part,  and  may  subject  the  recipient  to  a
non-deductible  20%  federal  excise tax on all or portion of such  payment  (in
addition to other taxes ordinarily payable).

LIMITATION ON CORPORATION'S DEDUCTIONS

     As a result of Section  162(m) of the Code, the  Corporation's  federal tax
deduction  for certain  awards  under the Plan may be limited to the extent that
the Chief  Executive  Officer or other executive  officer whose  compensation is
required to be reported in the summary compensation table receives  compensation
(other than performance-based compensation) in excess of $1 million a year.

                                       15


<PAGE>





             SECTION 16(a) BENEFICIAL OWNERSHIP REPORTING COMPLIANCE

     Section  16(a) of the Exchange Act  requires  the  Corporation's  executive
officers and Directors,  and persons who own more than 10% of a registered class
of the  Corporation's  equity  securities  (collectively,  "Insiders"),  to file
reports of ownership and changes in ownership with the SEC and NASDAQ.  Insiders
are required by SEC regulation to furnish the Company with copies of all Section
16(a) forms they file. To the Corporation's knowledge,  based solely on a review
of copies of such reports and written representations that no other reports were
required during the fiscal year ended December 31, 1999, all transactions in the
Corporation's  securities  that  were  engaged  in by  Insiders,  and  therefore
required to be disclosed  pursuant to Section  16(a) of the Exchange  Act,  were
timely  reported  except for the Form 3 for H. Allen  Henderson  which was filed
late.

                              INDEPENDENT AUDITORS

     The Corporation has selected Ernst & Young LLP as the independent  auditors
for  the   Corporation   for  the  fiscal  year  ending  December  31,  2000.  A
representative  of Ernst & Young LLP is  expected  to be  present  at the Annual
Meeting  and  will  be  given  the   opportunity   to  make  a  statement.   The
representative is expected to be available to respond to appropriate questions.

                              STOCKHOLDER PROPOSALS

     Stockholder  proposals  intended to be presented at the 2001 Annual Meeting
of  Stockholders  must be received by the  Corporation on or before December 27,
2000  in  order  to be  considered  for  inclusion  in the  Corporation's  proxy
statement.  These proposals must also comply with the rules of the SEC governing
the form and content of proposals  in order to be included in the  Corporation's
proxy statement and form of proxy and should be directed to: Vicor  Corporation,
25 Frontage Road, Andover,  Massachusetts  01810,  Attention:  Secretary.  It is
suggested that any stockholder proposal be transmitted by certified mail, return
receipt requested.

     Proxies  solicited  by the Board of  Directors  will  confer  discretionary
voting authority with respect to stockholder proposals,  other than proposals to
be  considered  for inclusion in the  Corporation's  proxy  statement  described
above,  that the Corporation  receives at the above address after April 4, 2001.
These proxies will also confer  discretionary  voting  authority with respect to
stockholder  proposals,  other than  proposals to be considered for inclusion in
the Corporation's proxy statement described above, that the Corporation receives
on or before April 4, 2001,  subject to SEC rules governing the exercise of this
authority.

                                       16


<PAGE>







                                VICOR CORPORATION                     EXHIBIT A
                      2000 STOCK OPTION AND INCENTIVE PLAN

SECTION 1.        GENERAL PURPOSE OF THE PLAN: DEFINITIONS

     The  name of the  plan is the  Vicor  Corporation  2000  Stock  Option  and
Incentive Plan (the "Plan").  The purpose of the Plan is to encourage and enable
the officers,  employees,  Eligible  Directors and other key persons  (including
consultants)  of Vicor  Corporation  (the "Company") and its  Subsidiaries  upon
whose  judgment,  initiative  and efforts the  Company  largely  depends for the
successful  conduct of its  business  to acquire a  proprietary  interest in the
Company.  It is  anticipated  that providing such persons with a direct stake in
the Company's  welfare will assure a closer  identification  of their  interests
with those of the Company,  thereby  stimulating  their efforts on the Company's
behalf and strengthening their desire to remain with the Company.

         The following terms shall be defined as set forth below:

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

         "Administrator" is defined in Section 2(a).

          "Award" or "Awards,"  except where referring to a particular  category
     of  grant  under  the  Plan,   shall  include   Incentive   Stock  Options,
     Non-Qualified  Stock Options,  Stock  Appreciation  Rights,  Deferred Stock
     Awards,  Restricted Stock Awards,  Unrestricted  Stock Awards,  Performance
     Share Awards and Dividend Equivalent Rights.

         "Board" means the Board of Directors of the Company.

         "Change of Control" is defined in Section 16.

          "Code" means the Internal  Revenue Code of 1986,  as amended,  and any
     successor Code, and related rules, regulations and interpretations.

         "Committee" means the Committee of the Board referred to in Section 2.

          "Deferred Stock Award" means Awards granted pursuant to Section 8.

         "Dividend  Equivalent  Right" means Awards granted  pursuant to Section
          11.

          "Effective  Date"  means  the date on which  the Plan is  approved  by
     stockholders as set forth in Section 18.

          "Fair  Market  Value" of the Stock on any  given  date  means the fair
     market value of the Stock  determined  in good faith by the  Administrator;
     provided,  however,  that (i) if the Stock is admitted to  quotation on the
     National  Association  of Securities  Dealers  Automated  Quotation  System
     ("NASDAQ"),  the Fair Market Value on any given date shall not be less than
     the  average  of the  highest  bid and  lowest  asked  prices  of the Stock
     reported  for such date or, if no bid and asked  prices were  reported  for
     such date,  for the last day preceding such date for which such prices were
     reported,  or (ii) if the  Stock  is  admitted  to  trading  on a  national
     securities  exchange or the NASDAQ National Market System,  the Fair Market
     Value on any date shall not be less than the closing price reported for the
     Stock on such  exchange  or  system  for such  date  or,  if no sales  were
     reported  for such date,  for the last date  preceding  the date for such a
     sale was reported.

                                       A-1


<PAGE>



          "Incentive  Stock  Option"  means  any  Stock  Option  designated  and
     qualified as an  "incentive  stock option" as defined in Section 422 of the
     Code.

          "Independent  Director" means a member of the Board who is not also an
     employee of the Company or any Subsidiary.

          "Non-Qualified  Stock  Option"  means any Stock  Option that is not an
     Incentive Stock Option.

          "Option"  or "Stock  Option"  means any option to  purchase  shares of
     Stock granted pursuant to Section 5.

          "Performance Share Award" means Awards granted pursuant to Section 10.

          "Principal  Stockholder"  means Patrizio  Vinciarelli,  members of his
     immediate  family,  any  trusts of which he is a trustee  or in which he or
     members of his immediate  family have substantial  beneficial  interest and
     upon his death, his executors,  administrators,  personal  representatives,
     heirs, legatees or distributees.

          "Restricted Stock Award" means Awards granted pursuant to Section 7.

          "Stock"  means the Common  Stock,  par value  $.01 per  share,  of the
     Company, subject to adjustments pursuant to Section 3.

          "Stock Appreciation Right" means any Award granted pursuant to Section
           6.

          "Subsidiary"  means any  corporation  or other entity  (other than the
     Company) in any unbroken chain of corporations or other entities  beginning
     with the Company if each of the  corporations  or entities  (other than the
     last  corporation  or entity in the  unbroken  chain)  owns  stock or other
     interests  possessing  50 percent or more of the  economic  interest or the
     total combined  voting power of all classes of stock or other  interests in
     one of the other corporations or entities in the chain.

          "Unrestricted Stock Award" means any Award granted pursuant to Section
           9.

     SECTION 2.  ADMINISTRATION OF THE PLAN:  Administrator  Authority to Select
Participants and Determine Awards

     (a)  COMMITTEE.  The Plan  shall be  administered  by either the Board or a
committee  of not less than two  Independent  Directors  (in  either  case,  the
"Administrator").

     (b) POWERS OF  ADMINISTRATOR.  The  Administrator  shall have the power and
authority to grant Awards  consistent with the terms of the Plan,  including the
power and authority:

          (i) to select the  individuals to whom Awards may from time to time be
     granted;

          (ii) to determine the time or times of grant, and the extent,  if any,
     of Incentive Stock Options, Non-Qualified Stock Options, Stock Appreciation
     Rights, Restricted Stock Awards, Deferred Stock Awards,  Unrestricted Stock
     Awards,  Performance  Share Awards and Dividend  Equivalent  Rights, or any
     combination of the foregoing, granted to any one or more participants;

          (iii) to determine  the number of shares of Stock to be covered by any
     Award;

          (iv)  to  determine  and  modify  from  time  to time  the  terms  and
     conditions,  including restrictions, not inconsistent with the terms of the
     Plan, of any Award,  which terms and conditions may differ among individual
     Awards and  participants,  and to approve  the form of written  instruments
     evidencing the Awards;

          (v) to accelerate at any time the  exercisability or vesting of all or
     any portion of any Award;

          (vi) subject to the provisions of Section  5(a)(ii),  to extend at any
     time the period in which Stock Options may be exercised;

                                       A-2


<PAGE>




          (vii) at any time to adopt,  alter and repeal such  rules,  guidelines
     and  practices  for  administration  of the  Plan  and for its own acts and
     proceedings  as it  shall  deem  advisable;  to  interpret  the  terms  and
     provisions  of  the  Plan  and  any  Award   (including   related   written
     instruments);  to  make  all  determinations  it  deems  advisable  for the
     administration  of the Plan;  to decide all disputes  arising in connection
     with the Plan; and to otherwise supervise the administration of the Plan.

     All decisions and  interpretations of the Administrator shall be binding on
all persons, including the Company and Plan participants.

     (c)  DELEGATION OF AUTHORITY TO GRANT  AWARDS.  The  Administrator,  in its
discretion,  may delegate to the Chief  Executive  Officer of the Company all or
part of the Administrator's authority and duties with respect to the granting of
Awards at Fair Market Value, to individuals who are not subject to the reporting
and other provisions of Section 16 of the Act or "covered  employees" within the
meaning of Section 162(m) of the Code. Any such delegation by the  Administrator
shall include a limitation as to the amount of Awards that may be granted during
the  period  of  the  delegation   and  shall  contain   guidelines  as  to  the
determination of the exercise price of any Option, the conversion ratio or price
of other Awards and the vesting criteria.  The Administrator may revoke or amend
the terms of a delegation at any time but such action shall not  invalidate  any
prior actions of the Administrator's  delegate or delegates that were consistent
with the terms of the Plan.

     (d) INDEMNIFICATION. Neither the Board nor the Committee, nor any member of
either  or any  delegatee  thereof,  shall  be  liable  for any  act,  omission,
interpretation,  construction or determination  made in good faith in connection
with the Plan,  and the members of the Board and  Committee  (and any  delegatee
thereof) shall be entitled in all cases to indemnification  and reimbursement by
the Company in respect of any claim, loss, damage or expense (including, without
limitation,  reasonable  attorneys' fees) arising or resulting  therefrom to the
fullest  extent  permitted  by law and/or  under any  directors'  and  officers'
liability insurance coverage which may be in effect from time to time.

SECTION 3. STOCK ISSUABLE UNDER THE PLAN; MERGERS; SUBSTITUTION

     (a) STOCK  ISSUABLE.  The maximum  number of shares of Stock  reserved  and
available for issuance under the Plan shall be 2,000,000  shares;  provided that
not more than 100,000 shares shall be issued in the form of  Unrestricted  Stock
Awards , Restricted  Stock  Awards,  or  Performance  Share Awards except to the
extent  such  Awards  are  granted  in lieu of cash  compensation  or fees.  For
purposes of this limitation, the shares of Stock underlying any Awards which are
forfeited,  canceled,  reacquired by the Company, satisfied without the issuance
of Stock or otherwise terminated (other than by exercise) shall be added back to
the  shares of Stock  available  for  issuance  under the Plan.  Subject to such
overall  limitation,  shares of Stock may be  issued up to such  maximum  number
pursuant to any type or types of Award; provided, however, that Stock Options or
Stock  Appreciation  Rights with respect to no more than 100,000 shares of Stock
may be granted to any one  individual  participant  during any one calendar year
period.  The shares  available for issuance under the Plan may be authorized but
unissued  shares of Stock or shares of Stock  reacquired by the Company and held
in its treasury.

     (b)   CHANGES   IN  STOCK.   If,   as  a  result  of  any   reorganization,
recapitalization,  reclassification,  stock dividend, stock split, reverse stock
split or other similar change in the Company's  capital stock,  the  outstanding
shares of Stock are  increased  or decreased  or are  exchanged  for a different
number or kind of shares  or other  securities  of the  Company,  or  additional
shares or new or different  shares or other  securities  of the Company or other
non-cash  assets are  distributed  with respect to such shares of Stock or other
securities,  the  Administrator  shall  make  an  appropriate  or  proportionate
adjustment in (i) the maximum  number of shares  reserved for issuance under the
Plan, (ii) the number of Stock Options or Stock Appreciation  Rights that can be
granted to any one individual  participant,  (iii) the number and kind of shares
or other securities  subject to any then outstanding  Awards under the Plan, and
(iv) the price for each share subject to any then outstanding  Stock Options and
Stock  Appreciation  Rights  under  the Plan,  without  changing  the  aggregate
exercise  price (i.e.,  the  exercise  price  multiplied  by the number of Stock
Options and Stock Appreciation  Rights) as to which such Stock Options and Stock
Appreciation  Rights remain  exercisable.  The  adjustment by the  Administrator
shall be final,  binding and conclusive.  No fractional shares of Stock shall be
issued under the Plan resulting from any such adjustment,  but the Administrator
in its discretion may make a cash payment in lieu of fractional shares.

     The  Administrator  may  also  adjust  the  number  of  shares  subject  to
outstanding Awards and the exercise price and the terms of outstanding Awards to
take into consideration  material changes in accounting practices or principles,
extraordinary  dividends,  acquisitions  or dispositions of stock or property or
any other event if it is determined by the Administrator that such adjustment is
appropriate to avoid  distortion in the operation of the Plan,  provided that no
such adjustment shall be made in the case of an Incentive Stock Option,  without
the consent of the participant, if it would constitute a modification, extension
or renewal of the Option within the meaning of Section 424(h) of the Code.

                                       A-3

<PAGE>

     (c) MERGERS AND OTHER  TRANSACTIONS.  In the case of (i) the dissolution or
liquidation  of the Company,  (ii) the sale of all or  substantially  all of the
assets of the Company on a consolidated  basis to an unrelated person or entity,
(iii) a merger,  reorganization  or  consolidation  in which the  holders of the
Company's  outstanding voting power immediately prior to such transaction do not
own a majority of the  outstanding  voting  power of the  surviving or resulting
entity immediately upon completion of such transaction,  (iv) the sale of all of
the  Stock of the  Company  to an  unrelated  person  or entity or (v) any other
transaction in which the owners of the Company's  outstanding voting power prior
to such  transaction  do not own at least a majority of the  outstanding  voting
power  of  the  relevant   entity  after  the   transaction  (in  each  case,  a
"Transaction"),  as of the effective date of such  Transaction,  all Options and
Stock   Appreciation   Rights  that  are  not  exercisable  shall  become  fully
exercisable and all other Awards which are not vested shall become fully vested,
except as the  Administrator  may  otherwise  specify with respect to particular
Awards. Upon the effectiveness of the Transaction,  the Plan and all outstanding
Options,  Stock  Appreciation  Rights and other Awards granted  hereunder  shall
terminate,  unless  provision is made in connection with the Transaction for the
assumption of Awards heretofore  granted,  or the substitution of such Awards of
new  Awards  of  the  successor  entity  or  parent  thereof,  with  appropriate
adjustment  as to the number and kind of shares  and,  if  appropriate,  the per
share exercise  prices,  as provided in Section 3(b) above. In the event of such
termination,  each  optionee  shall be  permitted to exercise for a period of at
least 15 days prior to the date of such termination all outstanding  Options and
Stock  Appreciation  Rights held by such optionee which are then  exercisable or
become exercisable upon the effectiveness of the Transaction.

     (d) SUBSTITUTE AWARDS. The Administrator may grant Awards under the Plan in
substitution  for stock and stock  based  awards  held by  employees  of another
corporation who become employees of the Company or a Subsidiary as the result of
a merger or  consolidation  of the employing  corporation  with the Company or a
Subsidiary  or the  acquisition  by the Company or a  Subsidiary  of property or
stock of the  employing  corporation.  The  Administrator  may  direct  that the
substitute  awards be granted on such terms and conditions as the  Administrator
considers appropriate in the circumstances.  Any substitute Awards granted under
the Plan shall not count  against the share  limitations  set forth in Section 3
(a).

SECTION 4. ELIGIBILITY

     Participants in the Plan will be such full or part-time  officers and other
employees,  Independent  Directors  and  key  persons  of the  Company  and  its
Subsidiaries who are responsible for or contribute to the management,  growth or
profitability  of the Company and its  Subsidiaries as are selected from time to
time by the Administrator in its sole discretion.

SECTION 5.  STOCK OPTIONS

     Any  Stock  Option  granted  under  the Plan  shall be in such  form as the
Administrator may from time to time approve.

     Stock Options granted under the Plan may be either  Incentive Stock Options
or Non-Qualified  Stock Options.  Incentive Stock Options may be granted only to
employees of the Company or any  Subsidiary  that is a "subsidiary  corporation"
within the meaning of Section  424(f) of the Code. To the extent that any Option
does  not  qualify  as  an  Incentive  Stock  Option,   it  shall  be  deemed  a
Non-Qualified Stock Option.

     No Incentive  Stock Option shall be granted  under the Plan after March 31,
2010.

     (a) STOCK OPTIONS GRANTED TO EMPLOYEES AND KEY PERSONS.  The  Administrator
in its discretion may grant Stock Options to eligible  employees and key persons
of the Company or any Subsidiary. Stock Options granted pursuant to this Section
5(a) shall be subject to the following  terms and  conditions  and shall contain
such additional  terms and conditions,  not  inconsistent  with the terms of the
Plan,  as the  Administrator  shall  deem  desirable.  If the  Administrator  so
determines,  Stock  Options may be granted in lieu of cash  compensation  at the
participant's   election,   subject  to  such  terms  and   conditions   as  the
Administrator may establish, as well as in addition to other compensation.

          (i) EXERCISE PRICE. The exercise price per share for the Stock covered
     by a Stock Option granted pursuant to this Section 5(a) shall be determined
     by the  Administrator  at the time of grant  but shall not be less than 100
     percent  of the  Fair  Market  Value  on the  date of  grant in the case of
     Incentive Stock Options, or 85 percent of the Fair Market Value on the date
     of grant, in the case of Non-Qualified  Stock Options.  If an employee owns
     or is deemed to own (by reason of the  attribution  rules of Section 424(d)
     of the Code)  more than 10  percent  of the  combined  voting  power of all
     classes of stock of the Company or any parent or subsidiary corporation and
     an Incentive Stock Option is granted to such employee,  the option price of
     such Incentive  Stock Option shall be not less than 110 percent of the Fair
     Market Value on the grant date.

                                       A-4

<PAGE>

          (ii) OPTION TERM.  The term of each Stock Option shall be fixed by the
     Administrator, but no Incentive Stock Option shall be exercisable more than
     ten years after the date the option is granted.  If an employee  owns or is
     deemed to own (by reason of the attribution  rules of Section 424(d) of the
     Code) more than 10 percent of the  combined  voting power of all classes of
     stock  of the  Company  or any  parent  or  subsidiary  corporation  and an
     Incentive Stock Option is granted to such employee, the term of such option
     shall be no more than five years from the date of grant.

          (iii)  EXERCISABILITY;  RIGHTS OF A  STOCKHOLDER.  Stock Options shall
     become  exercisable at such time or times,  whether or not in installments,
     as shall be  determined  by the  Administrator  at or after the grant date;
     provided, however, that Stock Options granted in lieu of compensation shall
     be exercisable in full as of the grant date. The  Administrator  may at any
     time  accelerate  the  exercisability  of all or any  portion  of any Stock
     Option.  An  optionee  shall  have the rights of a  stockholder  only as to
     shares  acquired  upon  the  exercise  of a  Stock  Option  and  not  as to
     unexercised Stock Options.

          (iv) METHOD OF EXERCISE. Stock Options may be exercised in whole or in
     part, by giving written  notice of exercise to the Company,  specifying the
     number of shares to be purchased. Payment of the purchase price may be made
     by one or more of the  following  methods  to the  extent  provided  in the
     Option Award agreement:

                (A) In cash, by certified or bank check or other instrument
                acceptable to the Administrator;

                (B) Through the delivery (or  attestation  to the  ownership) of
                shares of Stock that are not then subject to restrictions  under
                any Company  plan and that have been  beneficially  owned by the
                optionee  for at least six months or have been  purchased by the
                participant   on  the  open   market,   if   permitted   by  the
                Administrator in its discretion.  Such surrendered  shares shall
                be valued at Fair Market Value on the exercise date;

               (C) By the optionee delivering to the Company a properly executed
               exercise  notice  together  with  irrevocable  instructions  to a
               broker to promptly deliver to the Company cash or a check payable
               and  acceptable to the Company for the purchase  price;  provided
               that in the event the optionee  chooses to pay the purchase price
               as so  provided,  the  optionee  and the broker shall comply with
               such  procedures and enter into such  agreements of indemnity and
               other  agreements  as  the  Administrator  shall  prescribe  as a
               condition of such payment procedure; or

               (D) By the optionee  delivering to the Company a promissory  note
               if the Board has  expressly  authorized  the loan of funds to the
               optionee for the purpose of enabling or assisting the optionee to
               effect the exercise of his Stock  Option;  provided that at least
               so much of the exercise  price as represents the par value of the
               Stock shall be paid other than with a promissory note.

     Payment instruments will be received subject to collection. The delivery of
certificates  representing  the shares of Stock to be purchased  pursuant to the
exercise of a Stock Option will be contingent upon receipt from the optionee (or
a purchaser  acting in his stead in accordance  with the provisions of the Stock
Option)  by the  Company  of the full  purchase  price for such  shares  and the
fulfillment  of  any  other  requirements  contained  in  the  Stock  Option  or
applicable provisions of laws.

          (v) Annual Limit on Incentive  Stock Options.  To the extent  required
     for "incentive  stock option"  treatment under Section 422 of the Code, the
     aggregate  Fair Market  Value  (determined  as of the time of grant) of the
     shares of Stock with respect to which Incentive Stock Options granted under
     this Plan and any other plan of the  Company  or its parent and  subsidiary
     corporations  become  exercisable  for the first time by an optionee during
     any calendar year shall not exceed  $100,000.  To the extent that any Stock
     Option  exceeds  this limit,  it shall  constitute  a  Non-Qualified  Stock
     Option.

     (b) RELOAD OPTIONS. At the discretion of the Administrator, Options granted
under the Plan may  include a "reload"  feature  pursuant  to which an  optionee
exercising  an  option  by the  delivery  of a  number  of  shares  of  Stock in
accordance with Section  5(a)(iv)(B)  hereof would  automatically  be granted an
additional  Option (with an exercise price equal to the Fair Market Value of the
Stock on the date the additional  Option is granted and with such other terms as
the  Administrator may provide) to purchase that number of shares of Stock equal
to the number  delivered  to exercise  the  original  Option with an Option term
equal to the  remainder  of the  original  Option term unless the  Administrator
otherwise determines in the Award agreement for the original Option grant.

                                       A-5


<PAGE>

          (c) STOCK  OPTIONS  GRANTED  TO  INDEPENDENT  DIRECTORS.  The Board of
     Directors,in  its  discretion,  may grant  Non-Qualified  Stock  Options to
     Independent Directors.  The terms and conditions of any such grant may vary
     among  individual  Independent  Directors.  The  ability  of the  Board  of
     Directors  to  make  such  discretionary  grants  shall  be in  lieu of any
     automatic grant of options under the  Corporation's  1993 Stock Option Plan
     and 1998 Stock Option and Incentive Plan.

          (d)   NON-TRANSFERABILITY   OF  OPTIONS.  No  Stock  Option  shall  be
     transferable  by the  optionee  otherwise  than by  will or by the  laws of
     descent and distribution and all Stock Options shall be exercisable, during
     the optionee's  lifetime,  only by the optionee or by the optionee's  legal
     representative  or  guardian  in the  event of the  optionee's  incapacity.
     Notwithstanding the foregoing,  the Administrator,  in its sole discretion,
     may  provide  in the Award  agreement  regarding  a given  Option  that the
     optionee  may  transfer,   without  consideration  for  the  transfer,  his
     Non-Qualified  Stock Options to members of his immediate  family, to trusts
     for the benefit of such family  members,  or to  partnerships in which such
     family members are the only partners,  provided that the transferee  agrees
     in writing with the Company to be bound by all of the terms and  conditions
     of this Plan and the applicable Option.

          (e)   TERMINATION.   Except  as  may  otherwise  be  provided  by  the
     Administrator  either in the Award  agreement,  or  subject  to  Section 14
     below, in writing after the Award agreement is issued, an optionee's rights
     in all Stock Options shall  automatically  terminate upon the participant's
     termination of employment (or cessation of business  relationship) with the
     Company and its Subsidiaries for any reason.

                                       A-6


<PAGE>

     SECTION 6. STOCK APPRECIATION RIGHTS.

     (a) NATURE OF STOCK  APPRECIATION  RIGHTS. A Stock Appreciation Right is an
Award entitling the recipient to receive an amount in cash or shares of Stock or
a  combination  thereof  having a value  equal to the excess of the Fair  Market
Value of the  Stock on the  date of  exercise  over  the  exercise  price  Stock
Appreciation  Right,  which price shall not be less than 100 percent of the Fair
Market Value of the Stock on the date of grant (or more than the option exercise
price per share,  if the Stock  Appreciation  Right was granted in tandem with a
Stock Option)  multiplied by the number of shares of Stock with respect to which
the Stock Appreciation  Right shall have been exercised,  with the Administrator
having the right to determine the form of payment.

     (b) GRANT AND EXERCISE OF STOCK  APPRECIATION  RIGHTs.  Stock  Appreciation
Rights may be granted by the  Administrator in tandem with, or independently of,
any Stock  Option  granted  pursuant to Section 5 of the Plan.  In the case of a
Stock  Appreciation  Right granted in tandem with a Non-Qualified  Stock Option,
such Stock  Appreciation Right may be granted either at or after the time of the
grant of such  Option.  In the case of a Stock  Appreciation  Right  granted  in
tandem with an Incentive  Stock  Option,  such Stock  Appreciation  Right may be
granted only at the time of the grant of the Option.

     A Stock  Appreciation Right or applicable portion thereof granted in tandem
with a Stock  Option  shall  terminate  and no  longer be  exercisable  upon the
termination or exercise of the related Option.

     (c) TERMS AND CONDITIONS OF STOCK APPRECIATION  RIGHTS.  Stock Appreciation
Rights shall be subject to such terms and conditions as shall be determined from
time to time by the Administrator, subject to the following:

          (i) Stock Appreciation  Rights granted in tandem with Options shall be
     exercisable  at such time or times and to the extent that the related Stock
     Options shall be exercisable.

          (ii) Upon  exercise  of a Stock  Appreciation  Right,  the  applicable
     portion of any related Option shall be surrendered.

          (iii) All Stock  Appreciation  Rights shall be exercisable  during the
     participant's  lifetime only by the participant or the participant's  legal
     representative.

     (d) TERMINATION.  Except as may otherwise be provided by the  Administrator
either in the Award agreement,  or subject to Section 14 below, in writing after
the Award agreement is issued,  an optionee's  rights in all Stock  Appreciation
Rights shall  automatically  terminate  upon the  participant's  termination  of
employment  (or  cessation  of business  relationship)  with the Company and its
Subsidiaries for any reason.

     SECTION 7. RESTRICTED STOCK AWARDS

     (a) NATURE OF RESTRICTED STOCK AWARDS. A Restricted Stock Award is an Award
entitling the recipient to acquire,  at par value or such other higher  purchase
price  determined  by  the  Administrator,  shares  of  Stock  subject  to  such
restrictions  and conditions as the  Administrator  may determine at the time of
grant ("Restricted Stock"). Conditions may be based on continuing employment (or
other business  relationship) and/or achievement of pre-established  performance
goals and objectives. The grant of a Restricted Stock Award is contingent on the
participant  executing  the  Restricted  Stock  Award  agreement.  The terms and
conditions of each such agreement shall be determined by the Administrator,  and
such terms and conditions may differ among individual Awards and participants.

     (b) RIGHTS AS A STOCKHOLDER. Upon execution of a written instrument setting
forth the Restricted Stock Award and payment of any applicable purchase price, a
participant shall have the rights of a stockholder with respect to the voting of
the  Restricted  Stock,  subject to such  conditions  contained  in the  written
instrument evidencing the Restricted Stock Award. Unless the Administrator shall
otherwise determine,  certificates  evidencing the Restricted Stock shall remain
in the  possession  of the  Company  until  such  Restricted  Stock is vested as
provided in Section 7(d) below,  and the  participant  shall be  required,  as a
condition  of the grant,  to deliver to the  Company a stock  power  endorsed in
blank.

     (c) RESTRICTIONS.  Restricted Stock may not be sold, assigned, transferred,
pledged or otherwise  encumbered or disposed of except as specifically  provided
herein or in the Restricted Stock Award agreement. If a participant's employment
(or  other  business   relationship)  with  the  Company  and  its  Subsidiaries
terminates  for any  reason,  the  Company  shall  have the right to  repurchase
Restricted  Stock that has not vested at the time of termination at its original
purchase price, from the participant or the participant's legal representative.

                                       A-7


<PAGE>


     (d) VESTING OF RESTRICTED  STOCK.  The  Administrator  at the time of grant
shall  specify  the date or  dates  and/or  the  attainment  of  pre-established
performance   goals,    objectives   and   other   conditions   on   which   the
non-transferability   of  the  Restricted  Stock  and  the  Company's  right  of
repurchase  or forfeiture  shall lapse.  Subsequent to such date or dates and/or
the attainment of such pre-established  performance goals,  objectives and other
conditions,  the shares on which all restrictions have lapsed shall no longer be
Restricted  Stock and  shall be deemed  "vested."  Except  as may  otherwise  be
provided  by the  Administrator  either in the Award  agreement  or,  subject to
Section  14  below,  in  writing  after  the  Award   agreement  is  issued,   a
participant's  rights in any  shares of  Restricted  Stock  that have not vested
shall automatically  terminate upon the participant's  termination of employment
(or other business  relationship) with the Company and its Subsidiaries and such
shares  shall be subject to the  Company's  right of  repurchase  as provided in
Section 7(c) above.

     (e) WAIVER,  DEFERRAL AND  REINVESTMENT OF DIVIDENDS.  The Restricted Stock
Award agreement may require or permit the immediate payment, waiver, deferral or
investment of dividends paid on the Restricted Stock.

     SECTION 8. DEFERRED STOCK AWARDS

     (a) NATURE OF DEFERRED STOCK AWARDS.  A Deferred Stock Award is an Award of
phantom stock units to a participant,  subject to restrictions and conditions as
the Administrator may determine at the time of grant. Conditions may be based on
continuing  employment (or other business  relationship)  and/or  achievement of
pre-established  performance goals and objectives. The grant of a Deferred Stock
Award is  contingent  on the  participant  executing  the  Deferred  Stock Award
agreement.

     The terms and conditions of each such agreement  shall be determined by the
Administrator,  and such terms and conditions may differ among individual Awards
and participants.  At the end of the deferral period,  the Deferred Stock Award,
to the extent vested,  shall be paid to the participant in the form of shares of
Stock.

     (b) ELECTION TO RECEIVE DEFERRED STOCK AWARDS IN LIEU OF COMPENSATION.  The
Administrator  may, in its sole  discretion,  permit a  participant  to elect to
receive a portion of the cash  compensation or Restricted  Stock Award otherwise
due to such participant in the form of a Deferred Stock Award. Any such election
shall be made in writing and shall be delivered to the Company no later than the
date specified by the  Administrator and in accordance with rules and procedures
established by the Administrator. The Administrator shall have the sole right to
determine  whether and under what  circumstances to permit such elections and to
impose  such  limitations  and  other  terms  and  conditions   thereon  as  the
Administrator deems appropriate.

     (c) RIGHTS AS A  STOCKHOLDER.  During the deferral  period,  a  participant
shall have no rights as a stockholder;  provided,  however, that the participant
may be credited  with  Dividend  Equivalent  Rights with  respect to the phantom
stock units  underlying  his  Deferred  Stock  Award,  subject to such terms and
conditions as the Administrator may determine.

     (d)  RESTRICTIONS.  A  Deferred  Stock  Award  may not be  sold,  assigned,
transferred,  pledged or otherwise encumbered or disposed of during the deferral
period.

     (e) TERMINATION.  Except as may otherwise be provided by the  Administrator
either in the Award  agreement or, subject to Section 14 below, in writing after
the Award  agreement is issued,  a  participant's  right in all  Deferred  Stock
Awards that have not vested shall automatically terminate upon the participant's
termination  of  employment  (or  cessation of business  relationship)  with the
Company and its Subsidiaries for any reason.

     SECTION 9. UNRESTRICTED STOCK AWARDs

     GRANT OR SALE OF UNRESTRICTED  STOCK.  The  Administrator  may, in its sole
discretion, grant (or sell at par value or such higher purchase price determined
by the Administrator) an Unrestricted Stock Award to any participant pursuant to
which such  participant  may  receive  shares of Stock free of any  restrictions
("Unrestricted Stock") under the Plan.  Unrestricted Stock Awards may be granted
or sold as described in the  preceding  sentence in respect of past  services or
other  valid  consideration,  or in  lieu  of  cash  compensation  due  to  such
participant.

     SECTION 10. PERFORMANCE SHARE AWARDs

     (a) NATURE OF  PERFORMANCE  SHARE AWARDS.  A Performance  Share Award is an
Award  entitling the recipient to acquire shares of Stock upon the attainment of
specified performance goals. The Administrator may make Performance Share Awards
independent  of or in connection  with the granting of any other Award under the
Plan. The  Administrator in its sole discretion  shall determine  whether and to
whom Performance Share Awards shall be made, the performance  goals, the periods
during  which  performance  is to be  measured,  and all other  limitations  and
conditions.

                                       A-8

<PAGE>


     (b) RIGHTS AS A STOCKHOLDER.  A participant  receiving a Performance  Share
Award shall have the rights of a stockholder only as to shares actually received
by the participant  under the Plan and not with respect to shares subject to the
Award but not  actually  received by the  participant.  A  participant  shall be
entitled to receive a stock certificate  evidencing the acquisition of shares of
Stock under a Performance  Share Award only upon  satisfaction of all conditions
specified in the  Performance  Share Award  agreement (or in a performance  plan
adopted by the Administrator).

     (c) TERMINATION.  Except as may otherwise be provided by the  Administrator
either in the Award  agreement or, subject to Section 14 below, in writing after
the Award agreement is issued, a participant's  rights in all Performance  Share
Awards shall  automatically  terminate  upon the  participant's  termination  of
employment  (or  cessation  of business  relationship)  with the Company and its
Subsidiaries for any reason.

     (d)  ACCELERATION,  WAIVER,  ETC.  At any time  prior to the  participant's
termination of employment (or other  business  relationship)  by the Company and
its Subsidiaries, the Administrator may in its sole discretion accelerate, waive
or,  subject  to Section  14,  amend any or all of the  goals,  restrictions  or
conditions applicable to a Performance Share Award.

     SECTION 11. DIVIDEND EQUIVALENT RIGHTS

     (a) DIVIDEND  EQUIVALENT  RIGHTS.  A Dividend  Equivalent Right is an Award
entitling the recipient to receive  credits based on cash  dividends  that would
have been paid on the shares of Stock specified in the Dividend Equivalent Right
(or other  award to which it relates) if such shares had been issued to and held
by the recipient.  A Dividend  Equivalent Right may be granted  hereunder to any
participant  as a component of another  Award or as a  freestanding  award.  The
terms and  conditions  of Dividend  Equivalent  Rights shall be specified in the
grant.  Dividend  equivalents  credited  to the holder of a Dividend  Equivalent
Right may be paid  currently  or may be deemed to be  reinvested  in  additional
shares of Stock,  which may thereafter accrue additional  equivalents.  Any such
reinvestment  shall be at Fair Market Value on the date of  reinvestment or such
other price as may then apply under a dividend  reinvestment  plan  sponsored by
the Company, if any. Dividend Equivalent Rights may be settled in cash or shares
of Stock or a combination  thereof,  in a single installment or installments.  A
Dividend  Equivalent  Right  granted as a component of another Award may provide
that such Dividend Equivalent Right shall be settled upon exercise,  settlement,
or payment  of, or lapse of  restrictions  on, such other  award,  and that such
Dividend  Equivalent  Right shall expire or be  forfeited or annulled  under the
same  conditions as such other award. A Dividend  Equivalent  Right granted as a
component of another Award may also contain terms and conditions  different from
such other award.

     (b)  INTEREST  EQUIVALENTS.  Any Award  under  this Plan that is settled in
whole or in part in cash on a  deferred  basis  may  provide  in the  grant  for
interest equivalents to be credited with respect to such cash payment.  Interest
equivalents  may be compounded  and shall be paid upon such terms and conditions
as may be specified by the grant.

     (c) TERMINATION.  Except as may otherwise be provided by the  Administrator
either in the Award  agreement or, subject to Section 14 below, in writing after
the Award agreement is issued, a participant's rights in all Dividend Equivalent
Rights  or  interest   equivalents  shall   automatically   terminate  upon  the
participant's  termination of employment (or cessation of business relationship)
with the Company and its Subsidiaries for any reason.

     SECTION 12. TAX WITHHOLDING

     (a) PAYMENT BY PARTICIPANT.  Each participant shall, no later than the date
as of which  the  value of an Award or of any  Stock or other  amounts  received
thereunder  first becomes  includable in the gross income of the participant for
Federal  income  tax  purposes,   pay  to  the  Company,  or  make  arrangements
satisfactory to the Administrator  regarding payment of, any Federal,  state, or
local  taxes of any kind  required by law to be  withheld  with  respect to such
income. The Company and its Subsidiaries  shall, to the extent permitted by law,
have the right to deduct any such taxes from any  payment of any kind  otherwise
due to the participant.  The Company's  obligation to deliver stock certificates
to any  participant  is  subject to and  conditioned  on tax  obligations  being
satisfied by the participant.

     (b)  PAYMENT  IN  STOCK.  Subject  to  approval  by  the  Administrator,  a
participant  may elect to have the minimum  statutory  required tax  withholding
obligation  satisfied,  in whole or in part, by (i)  authorizing  the Company to
withhold  from  shares of Stock to be issued  pursuant  to any Award a number of
shares with an aggregate  Fair Market Value (as of the date the  withholding  is
effected) that would satisfy the withholding amount due, or (ii) transferring to
the Company shares of Stock owned by the  participant  with a minimum  aggregate
Fair  Market  Value (as of the date the  withholding  is  effected)  that  would
satisfy the minimum statutory withholding amount due.

                                       A-9

<PAGE>

     SECTION 13. TRANSFER, LEAVE OF ABSENCE, ETC.

     For  purposes  of the  Plan,  the  following  events  shall not be deemed a
termination of employment:

     (a) a transfer to the  employment  of the Company from a Subsidiary or from
the Company to a Subsidiary, or from one Subsidiary to another; or

     (b) an approved leave of absence for military  service or sickness,  or for
any  other  purpose  approved  by  the  Company,  if  the  employee's  right  to
re-employment  is  guaranteed  either by a statute or by  contract  or under the
policy   pursuant  to  which  the  leave  of  absence  was  granted  or  if  the
Administrator otherwise so provides in writing.

     SECTION 14. AMENDMENTS AND TERMINATION

     The  Board  may,  at any  time,  amend  or  discontinue  the  Plan  and the
Administrator  may, at any time,  amend or cancel any outstanding  Award for the
purpose of  satisfying  changes in law or for any other lawful  purpose,  but no
such action shall adversely  affect rights under any  outstanding  Award without
the holder's consent.  The  Administrator  may provide  substitute Awards at the
same or reduced exercise or purchase price or with no exercise or purchase price
in a manner not inconsistent with the terms of the Plan, but such price, if any,
must satisfy the  requirements  which would apply to the  substitute  or amended
Award if it were then  initially  granted  under this Plan,  but no such  action
shall adversely  affect rights under any outstanding  Award without the holder's
consent.  If and to the extent determined by the Administrator to be required by
the Code to ensure  that  Incentive  Stock  Options  granted  under the Plan are
qualified  under Section 422 of the Code or to ensure that  compensation  earned
under Stock Options and Stock Appreciation Rights qualifies as performance-based
compensation  under Section 162(m) of the Code, if and to the extent intended to
so  qualify,  Plan  amendments  shall be  subject  to  approval  by the  Company
stockholders  entitled  to vote at a meeting  of  stockholders.  Nothing in this
Section  14 shall  limit the  Board's  authority  to take any  action  permitted
pursuant to Section 3(c).

SECTION 15.  STATUS OF PLAN

     With  respect to the portion of any Award that has not been  exercised  and
any  payments  in  cash,  Stock  or  other   consideration  not  received  by  a
participant,  a participant shall have no rights greater than those of a general
creditor of the  Company  unless the  Administrator  shall  otherwise  expressly
determine in connection with any Award or Awards.  In its sole  discretion,  the
Administrator may authorize the creation of trusts or other arrangements to meet
the  Company's  obligations  to deliver  Stock or make  payments with respect to
Awards  hereunder,   provided  that  the  existence  of  such  trusts  or  other
arrangements is consistent with the foregoing sentence.

SECTION 16.  CHANGE OF CONTROL PROVISIONS

     Upon the occurrence of a Change of Control as defined in this Section 16:

     (a) Except as otherwise  provided in the applicable Award  agreement,  each
outstanding Stock Option and Stock Appreciation Right shall automatically become
fully exercisable.

     (b) Each  outstanding  Restricted  Stock Award and Performance  Share Award
shall be subject to such terms,  if any,  with respect to a Change of Control as
have been provided by the  Administrator in the Award  agreement,  or subject to
Section 14 above, in writing after the Award agreement is issued.

     (c)  "Change  of  Control"  shall  mean  the  occurrence  of any one of the
following events:

          (i) any "person," as such term is used in Sections  13(d) and 14(d) of
     the Act (other than the Company,  any of its Subsidiaries,  or any trustee,
     fiduciary or other person or entity holding  securities  under any employee
     benefit plan or trust of the Company or any of its Subsidiaries),  together
     with all  "affiliates"  and "associates" (as such terms are defined in Rule
     12b-2 under the Act) of such person,  shall become the  "beneficial  owner"
     (as such  term is  defined  in Rule  13d-3  under  the  Act),  directly  or
     indirectly, of securities of the Company representing 25 percent or more of
     the combined  voting power of the  Company's  then  outstanding  securities
     having the right to vote in an election of the Company's Board of Directors
     ("Voting  Securities")  (in  such  case  other  than  as  a  result  of  an
     acquisition of securities directly from the Company); or

                                      A-10


<PAGE>


          (ii) persons who, as of the Effective  Date,  constitute the Company's
     Board of  Directors  (the  "Incumbent  Directors")  cease  for any  reason,
     including,  without  limitation,  as a  result  of a  tender  offer,  proxy
     contest,  merger or similar transaction,  to constitute at least a majority
     of the Board,  provided that any person  becoming a director of the Company
     subsequent to the Effective Date shall be considered an Incumbent  Director
     if such person's  election was approved by or such person was nominated for
     election  by  either  (A) a vote of at least a  majority  of the  Incumbent
     Directors or (B) a vote of at least a majority of the  Incumbent  Directors
     who are members of a nominating  committee comprised,  in the majority,  of
     Incumbent Directors; or

          (iii)  the   stockholders   of  the  Company  shall  approve  (A)  any
     consolidation  or  merger of the  Company  where  the  stockholders  of the
     Company,  immediately  prior to the  consolidation  or  merger,  would not,
     immediately  after the  consolidation or merger,  beneficially own (as such
     term is defined  in Rule  13d-3  under the Act),  directly  or  indirectly,
     shares  representing  in the  aggregate  50  percent  or more of the voting
     shares of the corporation  issuing cash or securities in the  consolidation
     or merger (or of its ultimate  parent  corporation,  if any), (B) any sale,
     lease,  exchange  or other  transfer  (in one  transaction  or a series  of
     transactions contemplated or arranged by any party as a single plan) of all
     or  substantially  all of the  assets  of the  Company  or (C) any  plan or
     proposal for the liquidation or dissolution of the Company.

     Notwithstanding the foregoing, a "Change of Control" shall not be deemed to
have occurred for purposes of the  foregoing  clause (i) solely as the result of
an  acquisition  of securities by the Company  which,  by reducing the number of
shares of Voting Securities  outstanding,  increases the proportionate number of
shares of Voting  Securities  beneficially  owned by any person to 25 percent or
more of the combined  voting power of all then  outstanding  Voting  Securities;
provided,  however,  that  if any  person  referred  to in this  sentence  shall
thereafter  become  the  beneficial  owner of any  additional  shares  of Voting
Securities  (other than pursuant to a stock split,  stock  dividend,  or similar
transaction  or as a result of an  acquisition  of securities  directly from the
Company),  then a "Change  of  Control"  shall be deemed  to have  occurred  for
purposes of the foregoing clause (i).

     SECTION 17. GENERAL PROVISIONS

     (a) NO DISTRIBUTION;  COMPLIANCE WITH LEGAL REQUIREMENTS. The Administrator
may require each person acquiring Stock pursuant to an Award to represent to and
agree with the  Company  in writing  that such  person is  acquiring  the shares
without a view to distribution thereof.

     No  shares  of Stock  shall  be  issued  pursuant  to an  Award  until  all
applicable  securities  law and  other  legal  and  stock  exchange  or  similar
requirements  have been satisfied.  The Administrator may require the placing of
such stop-orders and restrictive legends on certificates for Stock and Awards as
it deems appropriate.

     (b) DELIVERY OF STOCK  CERTIFICATES.  Stock  certificates  to  participants
under this Plan shall be deemed delivered for all purposes when the Company or a
stock transfer agent of the Company shall have mailed such  certificates  in the
United States mail,  addressed to the  participant,  at the  participant's  last
known address on file with the Company.

     (c)  OTHER  COMPENSATION   ARRANGEMENTS;   No  Employment  Rights.  Nothing
contained in this Plan shall prevent the Board from adopting other or additional
compensation arrangements, including trusts, and such arrangements may be either
generally  applicable or applicable only in specific cases. The adoption of this
Plan and the  grant of  Awards  do not  confer  upon any  employee  any right to
continued employment with the Company or any Subsidiary.

     (d) TRADING POLICY  RESTRICTIONS.  Option  exercises and other Awards under
the  Plan  shall be  subject  to such  Company's  insider-trading-policy-related
restrictions,  terms and conditions as may be established by the  Administrator,
or in accordance with policies set by the Administrator, from time to time.

     (e) LOANS TO  PARTICIPANTS.  The Company  shall have the  authority to make
loans to participants hereunder (including to facilitate the purchase of shares)
and shall  further  have the  authority  to issue  shares for  promissory  notes
hereunder.

     (f) DESIGNATION OF BENEFICIARY.  Each participant to whom an Award has been
made under the Plan may designate a beneficiary or beneficiaries to exercise any
Award  or  receive  any  payment  under  any  Award  payable  on  or  after  the
participant's  death. Any such designation  shall be on a form provided for that
purpose by the  Administrator  and shall not be effective  until received by the
Administrator.  If no beneficiary has been designated by a deceased participant,
or if  the  designated  beneficiaries  have  predeceased  the  participant,  the
beneficiary shall be the participant's estate.

                                      A-11


<PAGE>


     SECTION 18. EFFECTIVE DATE OF PLAN

     This Plan shall become effective upon approval by the holders of a majority
of the votes cast at a meeting  of  stockholders  at which a quorum is  present.
Subject to such  approval by the  stockholders  and to the  requirement  that no
Stock may be issued  hereunder  prior to such approval,  Stock Options and other
Awards may be granted hereunder on and after adoption of this Plan by the Board.

SECTION 19.  GOVERNING LAW

     This Plan and all Awards and actions taken thereunder shall be governed by,
and construed in  accordance  with,  the laws of the State of Delaware,  applied
without regard to conflict of law principles.

DATE APPROVED BY BOARD OF DIRECTORS: March 31, 2000

DATE APPROVED BY STOCKHOLDERS:



                                      A-12
<PAGE>


<TABLE>
<CAPTION>

<S>                                <C>
[X]  PLEASE MARK VOTES
     AS IN THIS EXAMPLE
  ------------------------         1. Proposal to elect the following Directors: For All    With-   For All
     VICOR CORPORATION                                                           Nominees   hold    Except
 -------------------------           (01)M. Michael Ansour (04)Jay M. Prager       [ ]       [ ]      [ ]
      COMMON STOCK                   (02)Estia J. Eichten  (05)David T. Riddiford
                                     (03)Barry Kelleher    (06)Patrizio Vinciarelli

                                   If you do not wish your shares  voted "For" a particular nominee,
                                   mark the "For All Except" box and strike a line  through  the name(s) of
                                   the nominee(s). Your shares will be voted for the remaining nominee(s)


                                   2. Proposal to approve and ratify the          For    Against   Abstain
                                      2000 Stock Option and Incentive Plan        [ ]     [ ]        [ ]


                                   Mark  box at right if an  address  change  or comment  has [ ]
                                   been  noted  on the  reverse side of this card.

                                                 ------
Please be sure to sign and date this Proxy.       Date
- --------------------------------------------------------

- ---Stockholder sign here----------Co-owner sign here----------------

Detach Card                                                    Detach  Card

                                VICOR CORPORATION

Dear Stockholder,

Please take note of the  important  information  enclosed  with this Proxy Card,
which  includes   issues  related  to  the  management  and  operation  of  your
Corporation  that require  your  immediate  attention  and  approval.  These are
discussed in detail in the enclosed proxy materials.

Your vote counts, and you are strongly encouraged to exercise your right to vote
your shares.

Please  mark the boxes on this proxy card to  indicate  how your  shares will be
voted.  Then sign the card, detach it and return your proxy vote in the enclosed
postage paid envelope.

Your vote must be received prior to the Annual Meeting of  Stockholders  on June
29, 2000.

Thank you in advance for your prompt consideration of these matters.

Sincerely,

Vicor Corporation

</TABLE>


<PAGE>



                                                                   Form of Proxy

COMMON                VICOR CORPORATION                            COMMON

            PROXY FOR ANNUAL MEETING OF STOCKHOLDERS - JUNE 29, 2000

           THIS PROXY IS SOLICITED  ON BEHALF OF THE BOARD OF DIRECTORS  AND MAY
                BE REVOKED PRIOR TO ITS EXERCISE.

The undersigned hereby constitutes and appoints Patrizio Vinciarelli and Mark A.
Glazer,  and each of them,  as  Proxies of the  undersigned,  with full power to
appoint his substitute, and authorizes each of them to represent and to vote all
shares of Common  Stock of Vicor  Corporation  (the  "Corporation")  held by the
undersigned  at the close of business on May 1, 2000,  at the Annual  Meeting of
Stockholders  to be held at the Andover  Country  Club,  60  Canterbury  Street,
Andover, Massachusetts, on Thursday, June 29, 2000 at 5:00 p.m., local time, and
at any adjournments or postponements thereof.

When properly  executed,  this proxy will be voted in the manner directed herein
by the undersigned stockholder(s).  IF NO DIRECTION IS GIVEN, THIS PROXY WILL BE
VOTED FOR THE ELECTION OF ALL THE NOMINEES  FOR  DIRECTOR,  FOR THE APPROVAL AND
RATIFICATION  OF THE 2000 STOCK OPTION AND INCENTIVE PLAN AND, IN THE DISCRETION
OF THE  PROXIES,  UPON SUCH  OTHER  BUSINESS  AS MAY  PROPERLY  COME  BEFORE THE
MEETING.  A  stockholder  wishing  to vote  in  accordance  with  the  Board  of
Directors'  recommendation  need only sign and date this  proxy and return it in
the envelope provided.

The undersigned hereby acknowledges receipt of a copy of the accompanying Notice
of Annual Meeting of Stockholders,  the Proxy Statement with respect thereto and
the  Corporation's  1999 Annual Report to  Stockholders  and hereby  revokes any
proxy or proxies  heretofore given. This proxy may be revoked at any time before
it is exercised.

- --------------------------------------------------------------------------------
                PLEASE VOTE, DATE AND SIGN ON REVERSE AND RETURN
                       PROMPTLY IN THE ENCLOSED ENVELOPE.
- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
Please sign exactly as your name(s)  appear(s) on the books of the  Corporation.
Joint owners should each sign personally.  Trustees and other fiduciaries should
indicate the capacity in which they sign,  and where more than one name appears,
a majority  must sign. If a  corporation,  this  signature  should be that of an
authorized officer who should state his or her title.

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

HAS YOUR ADDRESS CHANGED?              DO YOU HAVE ANY COMMENTS?

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

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

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

<PAGE>


<TABLE>
<CAPTION>

<S>                                <C>
[X]  PLEASE MARK VOTES
     AS IN THIS EXAMPLE
  ------------------------         1. Proposal to elect the following Directors: For All    With-   For All
     VICOR CORPORATION                                                           Nominees   hold    Except
 -------------------------           (01)M. Michael Ansour (04)Jay M. Prager       [ ]       [ ]      [ ]
    CLASS B COMMON STOCK             (02)Estia J. Eichten  (05)David T. Riddiford
                                     (03)Barry Kelleher    (06)Patrizio Vinciarelli

                                  If you do not wish your shares  voted "For" a particular nominee,
                                  mark the "For All Except" box and strike a line  through  the name(s) of
                                  the nominee(s). Your shares will be voted for the remaining nominee(s)


                                   2. Proposal to approve and ratify the          For    Against   Abstain
                                      2000 Stock Option and Incentive Plan        [ ]     [ ]        [ ]


                                   Mark  box at right if an  address  change or comment  has [ ]
                                   been  noted  on the  reverse side of this card.

                                                 ------
Please be sure to sign and date this Proxy.       Date
- --------------------------------------------------------

- ---Stockholder sign here----------Co-owner sign here----------------

Detach Card                                                    Detach  Card

                                VICOR CORPORATION

Dear Stockholder,

Please take note of the  important  information  enclosed  with this Proxy Card,
which  includes   issues  related  to  the  management  and  operation  of  your
Corporation  that require  your  immediate  attention  and  approval.  These are
discussed in detail in the enclosed proxy materials.

Your vote counts, and you are strongly encouraged to exercise your right to vote
your shares.

Please  mark the boxes on this proxy card to  indicate  how your  shares will be
voted.  Then sign the card, detach it and return your proxy vote in the enclosed
postage paid envelope.

Your vote must be received prior to the Annual Meeting of  Stockholders  on June
29, 2000.

Thank you in advance for your prompt consideration of these matters.

Sincerely,

Vicor Corporation

</TABLE>


<PAGE>


                                                                   Form of Proxy

CLASS B COMMON          VICOR CORPORATION                         CLASS B COMMON

            PROXY FOR ANNUAL MEETING OF STOCKHOLDERS - JUNE 29, 2000

           THIS PROXY IS SOLICITED  ON BEHALF OF THE BOARD OF DIRECTORS  AND
                    MAY BE REVOKED PRIOR TO ITS EXERCISE.

The undersigned hereby constitutes and appoints Patrizio Vinciarelli and Mark A.
Glazer,  and each of them,  as  Proxies of the  undersigned,  with full power to
appoint his substitute, and authorizes each of them to represent and to vote all
shares of Class B Common Stock of Vicor Corporation (the  "Corporation") held by
the  undersigned  at the close of business on May 1, 2000, at the Annual Meeting
of Stockholders  to be held at the Andover  Country Club, 60 Canterbury  Street,
Andover, Massachusetts, on Thursday, June 29, 2000 at 5:00 p.m., local time, and
at any adjournments or postponements thereof.

When properly  executed,  this proxy will be voted in the manner directed herein
by the undersigned stockholder(s).  IF NO DIRECTION IS GIVEN, THIS PROXY WILL BE
VOTED FOR THE ELECTION OF ALL THE NOMINEES  FOR  DIRECTOR,  FOR THE APPROVAL AND
RATIFICATION  OF THE 2000 STOCK OPTION AND INCENTIVE PLAN AND, IN THE DISCRETION
OF THE  PROXIES,  UPON SUCH  OTHER  BUSINESS  AS MAY  PROPERLY  COME  BEFORE THE
MEETING.  A  stockholder  wishing  to vote  in  accordance  with  the  Board  of
Directors'  recommendation  need only sign and date this  proxy and return it in
the envelope provided.

The undersigned hereby acknowledges receipt of a copy of the accompanying Notice
of Annual Meeting of Stockholders,  the Proxy Statement with respect thereto and
the  Corporation's  1999 Annual Report to  Stockholders  and hereby  revokes any
proxy or proxies  heretofore given. This proxy may be revoked at any time before
it is exercised.

- --------------------------------------------------------------------------------
                PLEASE VOTE, DATE AND SIGN ON REVERSE AND RETURN
                       PROMPTLY IN THE ENCLOSED ENVELOPE.
- --------------------------------------------------------------------------------


- --------------------------------------------------------------------------------
Please sign exactly as your name(s)  appear(s) on the books of the  Corporation.
Joint owners should each sign personally.  Trustees and other fiduciaries should
indicate the capacity in which they sign,  and where more than one name appears,
a majority  must sign. If a  corporation,  this  signature  should be that of an
authorized officer who should state his or her title.

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

HAS YOUR ADDRESS CHANGED?              DO YOU HAVE ANY COMMENTS?

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

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

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


<PAGE>


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