Document:

CYLINK CORPORATION

                     Year 2000 EMPLOYEE STOCK PURCHASE PLAN

         The following constitute the provisions of the Year 2000 Employee Stock
Purchase Plan of Cylink Corporation.

1. Purpose.  The purpose of the Plan is to provide  employees of the Company and
its Designated  Subsidiaries with an opportunity to purchase Common Stock of the
Company  through  accumulated  payroll  deductions.  It is the  intention of the
Company to have the Plan  qualify as an  "Employee  Stock  Purchase  Plan" under
Section 423 of the Internal Revenue Code of 1986, as amended.  The provisions of
the  Plan,   accordingly,   shall  be  construed  so  as  to  extend  and  limit
participation  in a manner  consistent with the  requirements of that section of
the Code.

2. Definitions.

(a) "Board" shall mean the Board of Directors of the Company.

(b) "Code" shall mean the Internal Revenue Code of 1986, as amended.

(c) "Common Stock" shall mean the common stock of the Company.

(d) "Company" shall mean Cylink Corporation and any Designated Subsidiary of the
Company.

(e)  "Compensation"  shall  mean all  base  straight  time  gross  earnings  and
commissions,  but exclusive of payments for overtime,  shift premium,  incentive
compensation, incentive payments, bonuses and other compensation.

(f) "Designated  Subsidiary" shall mean any Subsidiary which has been designated
by the Board from time to time in its sole discretion as eligible to participate
in the Plan.

(g)  "Employee"  shall mean any individual who is an Employee of the Company for
tax purposes whose customary employment with the Company is at least twenty (20)
hours per week and more than five (5) months in any calendar  year. For purposes
of the Plan, the employment  relationship  shall be treated as continuing intact
while the individual is on sick leave or other leave of absence  approved by the
Company. Where the period of leave exceeds 90 days and the individual's right to
reemployment is not guaranteed either by statute or by contract,  the employment
relationship shall be deemed to have terminated on the 91st day of such leave.

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Cylink Corporation
Year 2000 Employee Stock Purchase Plan

(h) "Enrollment Date" shall mean the first Trading Day of each Offering Period.

(i) "Exercise Date" shall mean the last Trading Day of each Purchase Period.

(j) "Fair Market  Value" shall mean,  as of any date,  the value of Common Stock
determined as follows:

(1) If the  Common  Stock is  listed  on any  established  stock  exchange  or a
national market system,  including without limitation the Nasdaq National Market
or The Nasdaq Small Cap Market of The Nasdaq Stock Market, its Fair Market Value
shall be the closing sales price for such stock (or the closing bid, if no sales
were  reported) as quoted on such exchange or system for the last market trading
day on the date of such determination, as reported in The Wall Street Journal or
such other source as the Administrator deems reliable;

(2) If the Common Stock is regularly  quoted by a recognized  securities  dealer
but selling prices are not reported,  its Fair Market Value shall be the mean of
the  closing  bid and  asked  prices  for the  Common  Stock on the date of such
determination,  as reported in The Wall Street  Journal or such other  source as
the Board deems reliable;

(3) In the  absence of an  established  market for the  Common  Stock,  the Fair
Market Value thereof shall be determined in good faith by the Board; or

(k) "Offering  Periods" shall mean the periods of  approximately  six months (6)
months  during which an option  granted  pursuant to the Plan may be  exercised,
commencing on the first Trading Day on or after January 1 and July 1of each year
and  terminating on the last Trading Day in the periods ending six months later.
The duration and timing of Offering Periods may be changed pursuant to Section 4
of this Plan.

(l) "Plan" shall mean this 2000 Employee Stock Purchase Plan.

(m) "Purchase  Period" shall mean the  approximately six month period commencing
after one Exercise Date and ending with the next Exercise Date,  except that the
first  Purchase  Period of any Offering  Period shall commence on the Enrollment
Date and end with the next Exercise Date.

(n)  "Purchase  Price"  shall  mean 85% of the Fair  Market  Value of a share of
Common Stock on the Enrollment Date or on the Exercise Date, whichever is lower;
provided, however, that the Purchase Price may be adjusted by the Board pursuant
to Section 20.

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Cylink Corporation
Year 2000 Employee Stock Purchase Plan

(o)  "Reserves"  shall mean the number of shares of Common Stock covered by each
option under the Plan which have not yet been exercised and the number of shares
of Common Stock which have been  authorized  for issuance under the Plan but not
yet placed under option.

(p)  "Subsidiary"  shall mean a corporation,  domestic or foreign,  of which not
less than 50% of the  voting  shares are held by the  Company  or a  Subsidiary,
whether or not such corporation now exists or is hereafter organized or acquired
by the Company or a Subsidiary.

(q) "Trading  Day" shall mean a day on which  national  stock  exchanges and the
Nasdaq System are open for trading.

3. Eligibility.

(a) Any Employee who shall be employed by the Company on a given Enrollment Date
shall be eligible to participate in the Plan.

(b) Any  provisions  of the Plan to the  contrary  notwithstanding,  no Employee
shall be granted an option  under the Plan (i) to the extent  that,  immediately
after the  grant,  such  Employee  (or any other  person  whose  stock  would be
attributed  to such Employee  pursuant to Section  424(d) of the Code) would own
capital stock of the Company  and/or hold  outstanding  options to purchase such
stock possessing five percent (5%) or more of the total combined voting power or
value of all classes of the capital  stock of the Company or of any  Subsidiary,
or (ii) to the  extent  that his or her  rights  to  purchase  stock  under  all
employee stock purchase plans of the Company and its  subsidiaries  accrues at a
rate  which  exceeds  Twenty-Five  Thousand  Dollars  ($25,000)  worth  of stock
(determined  at the fair  market  value of the shares at the time such option is
granted) for each calendar year in which such option is outstanding at any time.

4. Offering  Periods.  The Plan shall be  implemented  by  consecutive  Offering
Periods with a new Offering  Period  commencing  on the first  Trading Day on or
after  January 1 and July 1 of each  year,  or on such  other  date as the Board
shall determine,  and continuing  thereafter until terminated in accordance with
Section 20 hereof.  The  Compensation  Committee of the Board (the  "Committee")
shall have the power to change the duration of Offering  Periods  (including the
commencement dates thereof) with respect to future offerings without shareholder
approval  if such  change  is  announced  at least  five  (5) days  prior to the
scheduled beginning of the first Offering Period to be affected thereafter.

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Cylink Corporation
Year 2000 Employee Stock Purchase Plan

5. Participation.

(a) An eligible  Employee may become a  participant  in the Plan by completing a
subscription  agreement  authorizing payroll deductions in the form of Exhibit A
to this  Plan and  filing  it with the  Company's  payroll  office  prior to the
applicable Enrollment Date.

(b) Payroll  deductions  for a participant  shall  commence on the first payroll
following the Enrollment  Date and shall end on the last payroll in the Offering
Period to which such  authorization is applicable,  unless sooner  terminated by
the participant as provided in Section 10 hereof.

6. Payroll Deductions.

(a) At the time a participant files his or her subscription agreement, he or she
shall elect to have payroll  deductions made on each pay day during the Offering
Period in an amount not exceeding ten percent (10%) of the Compensation which he
or she receives on each pay day during the Offering Period (except for the first
Offering  Period from  February 1 through  June 30, 2000 which  amount shall not
twelve (12%) of the Compensation).

(b) All payroll  deductions  made for a participant  shall be credited to his or
her account  under the Plan and shall be withheld in whole  percentages  only. A
participant may not make any additional payments into such account.

(c) A  participant  may  discontinue  his or her  participation  in the  Plan as
provided in Section 10 hereof,  or may  increase or decrease  the rate of his or
her payroll  deductions  during the Offering Period by completing or filing with
the  Company  a new  subscription  agreement  authorizing  a change  in  payroll
deduction rate. The  Compensation  Committee may, in its  discretion,  limit the
number of participation  rate changes during any Offering Period.  The change in
rate shall be effective  with the first full payroll  period  following five (5)
business  days after the  Company's  receipt of the new  subscription  agreement
unless  the  Company  elects to  process a given  change in  participation  more
quickly.  A  participant's  subscription  agreement  shall  remain in effect for
successive Offering Periods unless terminated as provided in Section 10 hereof.

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Cylink Corporation
Year 2000 Employee Stock Purchase Plan

(d)  Notwithstanding  the  foregoing,  to the extent  necessary  to comply  with
Section  423(b)(8) of the Code and Section 3(b) hereof, a participant's  payroll
deductions  may be  decreased to zero percent (0%) at any time during a Purchase
Period.  Payroll  deductions  shall  recommence  at the  rate  provided  in such
participant's  subscription  agreement at the  beginning  of the first  Purchase
Period  which  is  scheduled  to end  in the  following  calendar  year,  unless
terminated by the participant as provided in Section 10 hereof.

(e) At the time the  option is  exercised,  in whole or in part,  or at the time
some or all of the Company's  Common Stock issued under the Plan is disposed of,
the participant must make adequate provision for the Company's  federal,  state,
or other tax withholding  obligations,  if any, which arise upon the exercise of
the option or the disposition of the Common Stock. At any time, the Company may,
but shall not be obligated to, withhold from the participant's  compensation the
amount  necessary for the Company to meet  applicable  withholding  obligations,
including  any  withholding  required to make  available  to the Company any tax
deductions or benefits attributable to sale or early disposition of Common Stock
by the Employee.

7.  Grant of  Option.  On the  Enrollment  Date of each  Offering  Period,  each
eligible  Employee  participating  in such  Offering  Period shall be granted an
option to purchase on each  Exercise  Date during such  Offering  Period (at the
applicable  Purchase  Price) up to a number of  shares of the  Company's  Common
Stock  determined by dividing such  Employee's  payroll  deductions  accumulated
prior to such Exercise Date and retained in the Participant's  account as of the
Exercise Date by the applicable Purchase Price;  provided that in no event shall
an Employee be permitted to purchase during each Purchase Period more than 2,000
shares of the  Company's  Common Stock  (subject to any  adjustment  pursuant to
Section  19), and provided  further that such  purchase  shall be subject to the
limitations set forth in Sections 3(b) and 12 hereof. The Compensation Committee
may,  for  future  Offering  Periods,  increase  or  decrease,  in its  absolute
discretion,  the  maximum  number  of shares of the  Company's  Common  Stock an
Employee may  purchase  during each  Purchase  Period of such  Offering  Period.
Exercise of the option  shall occur as provided in Section 8 hereof,  unless the
participant has withdrawn pursuant to Section 10 hereof. The option shall expire
on the last day of the Offering Period.

8. Exercise of Option.

(a)  Unless a  participant  withdraws  from the Plan as  provided  in Section 10
hereof,  his or her  option  for the  purchase  of  shares  shall  be  exercised
automatically  on the  Exercise  Date,  and the  maximum  number of full  shares
subject to option  shall be

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Cylink Corporation
Year 2000 Employee Stock Purchase Plan

purchased  for  such  participant  at the  applicable  Purchase  Price  with the
accumulated payroll deductions in his or her account. No fractional shares shall
be purchased;  any payroll  deductions  accumulated in a  participant's  account
which are not  sufficient  to  purchase a full share  shall be  retained  in the
participant's  account for the subsequent  Purchase  Period or Offering  Period,
subject to earlier  withdrawal  by the  participant  as  provided  in Section 10
hereof. Any other monies left over in a participant's account after the Exercise
Date shall be returned to the participant.  During a participant's  lifetime,  a
participant's  option to purchase shares hereunder is exercisable only by him or
her.

(b) If the Compensation Committee determines that, on a given Exercise Date, the
number of shares with respect to which  options are to be  exercised  may exceed
(i) the number of shares of Common Stock that were  available for sale under the
Plan on the  Enrollment  Date of the  applicable  Offering  Period,  or (ii) the
number of shares  available for sale under the Plan on such Exercise  Date,  the
Committee may in its sole  discretion  (x) provide that the Company shall make a
pro rata allocation of the shares of Common Stock available for purchase on such
Enrollment Date or Exercise Date, as applicable, in as uniform a manner as shall
be practicable  and as it shall determine in its sole discretion to be equitable
among all  participants  exercising  options to  purchase  Common  Stock on such
Exercise Date, and continue all Offering Periods then in effect,  or (y) provide
that the Company shall make a pro rata  allocation  of the shares  available for
purchase on such Enrollment Date or Exercise Date, as applicable,  in an uniform
a  manner  as  shall  be  practicable  and as it  shall  determine  in its  sole
discretion to be equitable among all participants exercising options to purchase
Common Stock on such Exercise  Date,  and terminate any or all Offering  Periods
then in effect  pursuant  to Section 20 hereof.  The  Company  may make pro rata
allocation  of the shares  available on the  Enrollment  Date of any  applicable
Offering  Period  pursuant  to  the  preceding  sentence,   notwithstanding  any
authorization of additional  shares for issuance under the Plan by the Company's
shareholders subsequent to such Enrollment Date.

9.  Delivery.  As promptly as  practicable  after each  Exercise Date on which a
purchase of shares  occurs,  the  Company  shall  arrange  the  delivery to each
participant,  as appropriate, of a certificate representing the shares purchased
upon exercise of his or her option.

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Cylink Corporation
Year 2000 Employee Stock Purchase Plan

10. Withdrawal.

(a) A participant may withdraw all but not less than all the payroll  deductions
credited to his or her  account  and not yet used to exercise  his or her option
under the Plan at any time by giving  written  notice to the Company in the form
of Exhibit B to this Plan. All of the participant's  payroll deductions credited
to his or her account shall be paid to such  participant  promptly after receipt
of notice of withdrawal and such  participant's  option for the Offering  Period
shall be  automatically  terminated,  and no further payroll  deductions for the
purchase of shares  shall be made for such  Offering  Period.  If a  participant
withdraws from an Offering  Period,  payroll  deductions shall not resume at the
beginning of the succeeding  Offering Period unless the participant  delivers to
the Company a new subscription agreement.

(b) A participant's withdrawal from an Offering Period shall not have any effect
upon his or her  eligibility  to  participate  in any  similar  plan  which  may
hereafter  be adopted by the Company or in  succeeding  Offering  Periods  which
commence after the termination of the Offering Period from which the participant
withdraws.

11. Termination of Employment.

(a) Upon a participant's  ceasing to be an Employee,  for any reason,  he or she
shall be  deemed  to have  elected  to  withdraw  from the Plan and the  payroll
deductions credited to such participant's account during the Offering Period but
not yet used to exercise the option shall be returned to such participant or, in
the case of his or her death,  to the person or persons  entitled  thereto under
Section  15  hereof,  and  such  participant's  option  shall  be  automatically
terminated.  The preceding sentence notwithstanding,  a participant who receives
payment  in lieu of notice of  termination  of  employment  shall be  treated as
continuing to be an Employee for the participant's customary number of hours per
week of employment during the period in which the participant is subject to such
payment in lieu of notice.

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Cylink Corporation
Year 2000 Employee Stock Purchase Plan

12.  Interest.  No  interest  shall  accrue  on  the  payroll  deductions  of  a
participant in the Plan.

13. Stock.

(a)  Subject to  adjustment  upon  changes in  capitalization  of the Company as
provided  in Section 19 hereof,  the maximum  number of shares of the  Company's
Common Stock that shall be made  available  for sale under the Plan shall be two
hundred thousand  (200,000)  shares,  plus an annual increase to be added on the
first day of each fiscal year of the  Company  beginning  in 2001 equal to 1% of
the  outstanding  shares on such date, or such lesser  amount  determined by the
Compensation Committee.

(b) The participant  shall have no interest or voting right in shares covered by
his option until such option has been exercised.

(c) Shares to be delivered to a  participant  under the Plan shall be registered
in the name of the  participant or in the name of the participant and his or her
spouse.

14. Administration. The Plan shall be administered by the Committee and officers
of the Company  authorized  by the  Committee to assist them.  The Committee and
Officers  authorized  to act on their  behalf  shall  have  full  and  exclusive
discretionary authority to construe,  interpret and apply the terms of the Plan,
to determine  eligibility  and to adjudicate all disputed claims filed under the
Plan. Every finding,  decision and determination made by the Committee shall, to
the full extent permitted by law, be final and binding upon all parties.

15. Designation of Beneficiary.

(a) A participant  may file a written  designation  of a  beneficiary  who is to
receive any shares and cash,  if any, from the  participant's  account under the
Plan in the event of such participant's  death subsequent to an Exercise Date on
which the option is exercised but prior to delivery to such  participant of such
shares and cash. In addition,  a participant may file a written designation of a
beneficiary who is to receive any cash from the participant's  account under the
Plan in the event of such  participant's  death prior to exercise of the option.
If a participant  is married and the  designated  beneficiary is not the spouse,
spousal consent shall be required for such designation to be effective.

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Cylink Corporation
Year 2000 Employee Stock Purchase Plan

(b) Such  designation  of beneficiary  may be changed by the  participant at any
time by written  notice.  In the event of the death of a participant  and in the
absence of a beneficiary  validly designated under the Plan who is living at the
time of such  participant's  death, the Company shall deliver such shares and/or
cash to the executor or administrator of the estate of the participant, or if no
such  executor or  administrator  has been  appointed  (to the  knowledge of the
Company), the Company, in its discretion, may deliver such shares and/or cash to
the spouse or to any one or more dependents or relatives of the participant,  or
if no spouse,  dependent or relative is known to the Company, then to such other
person as the Company may designate.

16.  Transferability.  Neither  payroll  deductions  credited to a participant's
account nor any rights  with  regard to the  exercise of an option or to receive
shares  under  the Plan  may be  assigned,  transferred,  pledged  or  otherwise
disposed of in any way (other than by will, the laws of descent and distribution
or as provided  in Section 15 hereof) by the  participant.  Any such  attempt at
assignment,  transfer,  pledge or other  disposition  shall be  without  effect,
except that the Company may treat such act as an election to withdraw funds from
an Offering Period in accordance with Section 10 hereof.

17. Use of Funds. All payroll  deductions  received or held by the Company under
the Plan may be used by the Company for any corporate  purpose,  and the Company
shall not be obligated to segregate such payroll deductions.

18. Reports. Individual accounts shall be maintained for each participant in the
Plan.  Statements of account shall be given to participating  Employees at least
annually,  which statements  shall set forth the amounts of payroll  deductions,
the  Purchase  Price,  the number of shares  purchased  and the  remaining  cash
balance, if any.

19. Adjustments Upon Changes in Capitalization, Dissolution, Liquidation, Merger
or Asset Sale.

(a)  Changes  in   Capitalization.   Subject  to  any  required  action  by  the
shareholders  of the Company,  the Reserves,  the maximum  number of shares each
participant may purchase each Purchase  Period  (pursuant to Section 7), as well
as the price per share and the number of shares of Common Stock  covered by each
option under the Plan which has not yet been exercised shall be  proportionately
adjusted for any  increase or decrease in the number of issued  shares of Common
Stock  resulting  from a stock  split,  reverse  stock  split,  stock  dividend,
combination or  reclassification  of the Common

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Year 2000 Employee Stock Purchase Plan

Stock, or any other increase or decrease in the number of shares of Common Stock
effected  without receipt of consideration  by the Company;  provided,  however,
that conversion of any convertible securities of the Company shall not be deemed
to have been "effected without receipt of consideration".  Such adjustment shall
be made by the Compensation Committee, whose determination in that respect shall
be final,  binding and  conclusive.  Except as  expressly  provided  herein,  no
issuance  by the  Company  of  shares  of  stock  of any  class,  or  securities
convertible into shares of stock of any class,  shall affect,  and no adjustment
by reason  thereof  shall be made with respect to, the number or price of shares
of Common Stock subject to an option.

(b)  Dissolution  or  Liquidation.  In the event of the proposed  dissolution or
liquidation  of the  Company,  the  Offering  Period then in  progress  shall be
shortened by setting a new Exercise  Date (the "New Exercise  Date"),  and shall
terminate  immediately prior to the consummation of such proposed dissolution or
liquidation,  unless provided otherwise by the Compensation  Committee.  The New
Exercise Date shall be before the date of the Company's proposed  dissolution or
liquidation.  The Committee shall notify each  participant in writing,  at least
ten (10)  business days prior to the New Exercise  Date,  that the Exercise Date
for the participant's  option has been changed to the New Exercise Date and that
the  participant's  option shall be exercised  automatically on the New Exercise
Date,  unless prior to such date the participant has withdrawn from the Offering
Period as provided in Section 10 hereof.

(c)  Merger  or  Asset  Sale.  In  the  event  of a  proposed  sale  of  all  or
substantially  all of the assets of the  Company,  or the merger of the  Company
with or into another corporation, each outstanding option shall be assumed or an
equivalent  option  substituted  by the  successor  corporation  or a Parent  or
Subsidiary  of the  successor  corporation.  In the  event  that  the  successor
corporation refuses to assume or substitute for the option, any Purchase Periods
then in progress  shall be shortened  by setting a new  Exercise  Date (the "New
Exercise  Date") and any Offering  Periods then in progress shall end on the New
Exercise  Date.  The New Exercise Date shall be before the date of the Company's
proposed  sale  or  merger.   The  Compensation   Committee  shall  notify  each
participant  in  writing,  at least  ten  (10)  business  days  prior to the New
Exercise  Date,  that the Exercise  Date for the  participant's  option has been
changed to the New  Exercise  Date and that the  participant's  option  shall be
exercised  automatically on the New Exercise Date, unless prior to such date the
participant  has  withdrawn  from the Offering  Period as provided in Section 10
hereof.

20. Amendment or Termination.

(a) The Board of  Directors  of the  Company  may at any time and for any reason
terminate  or amend the Plan.  Except as provided in Section 19 hereof,  no such

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Year 2000 Employee Stock Purchase Plan

termination  can affect options  previously  granted,  provided that an Offering
Period may be  terminated  by the Board of Directors on any Exercise Date if the
Board  determines  that the termination of the Offering Period or the Plan is in
the best  interests of the Company and its  shareholders.  Except as provided in
Section 19 and this Section 20 hereof,  no amendment  may make any change in any
option theretofore granted that adversely affects the rights of any participant.
To the extent necessary to comply with Section 423 of the Code (or any successor
rule or provision or any other  applicable  law,  regulation  or stock  exchange
rule),  the Company  shall obtain  shareholder  approval in such a manner and to
such a degree as required.

(b) Without  shareholder  consent and without regard to whether any  participant
rights may be considered to have been "adversely  affected," the Committee shall
be entitled to change the Offering Periods, limit the frequency and/or number of
changes in the amount withheld during an Offering Period, establish the exchange
ratio  applicable  to amounts  withheld in a currency  other than U.S.  dollars,
permit payroll  withholding in excess of the amount  designated by a participant
in order to adjust  for  delays  or  mistakes  in the  Company's  processing  of
properly  completed  withholding  elections,  establish  reasonable  waiting and
adjustment  periods and/or  accounting  and crediting  procedures to ensure that
amounts  applied  toward  the  purchase  of Common  Stock  for each  participant
properly  correspond with amounts withheld from the participant's  Compensation,
and  establish  such  other  limitations  or  procedures  as the  Board  (or its
committee) determines in its sole discretion advisable which are consistent with
the Plan.

(c) In the event the Board determines that the ongoing operation of the Plan may
result  in  unfavorable  financial  accounting  consequences,  the Board (or its
committee)  may, in its  discretion  and, to the extent  necessary or desirable,
modify  or amend the Plan to reduce or  eliminate  such  accounting  consequence
including, but not limited to:

(1) altering the Purchase  Price for any Offering  Period  including an Offering
Period underway at the time of the change in Purchase Price;

(2)  shortening  any Offering  Period so that the Offering  Period ends on a new
Exercise Date,  including an Offering  Period  underway at the time of the Board
action; and

(3) allocating shares.

         Such modifications or amendments shall not require stockholder approval
or the consent of any Plan participants.

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Cylink Corporation
Year 2000 Employee Stock Purchase Plan

21. Notices. All notices or other communications by a participant to the Company
under or in  connection  with the Plan  shall be deemed to have been duly  given
when received in the form  specified by the Company at the  location,  or by the
person, designated by the Company for the receipt thereof.

22. Conditions Upon Issuance of Shares.  Shares shall not be issued with respect
to an option unless the exercise of such option and the issuance and delivery of
such shares pursuant thereto shall comply with all applicable provisions of law,
domestic or foreign, including,  without limitation, the Securities Act of 1933,
as amended,  the  Securities  Exchange  Act of 1934,  as amended,  the rules and
regulations promulgated  thereunder,  and the requirements of any stock exchange
upon which the shares  may then be listed,  and shall be further  subject to the
approval of counsel for the Company with respect to such compliance.

     As a condition  to the  exercise of an option,  the Company may require the
person  exercising  such option to represent and warrant at the time of any such
exercise that the shares are being purchased only for investment and without any
present  intention  to sell or  distribute  such  shares  if, in the  opinion of
counsel  for  the  Company,  such a  representation  is  required  by any of the
aforementioned applicable provisions of law.

23. Term of Plan.  The Plan shall become  effective upon the earlier to occur of
its adoption by the Board of Directors  or its approval by the  shareholders  of
the  Company.  It shall  continue in effect for a term of ten (10) years  unless
sooner terminated under Section 20 hereof.

24. Automatic  Transfer to Low Price Offering Period. To the extent permitted by
any  applicable  laws,  regulations,  or stock exchange rules if the Fair Market
Value of the Common  Stock on any Exercise  Date in an Offering  Period is lower
than the Fair Market  Value of the Common Stock on the  Enrollment  Date of such
Offering  Period,  then  all  participants  in such  Offering  Period  shall  be
automatically withdrawn from such Offering Period immediately after the exercise
of their  option on such  Exercise  Date and  automatically  re-enrolled  in the
immediately following Offering Period as of the first day thereof.

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<PAGE>

EXHIBIT A

                               CYLINK CORPORATION

                     YEAR 2000 EMPLOYEE STOCK PURCHASE PLAN

                             SUBSCRIPTION AGREEMENT

Check Applicable Items:

_____ Original Application (Enrollment Date: ___________)
_____ Change in Payroll Deduction Rate
_____ Change of Beneficiary(ies)

1.       I,  ____________________  hereby  elect to  participate  in the  Cylink
         Corporation Year 2000 Employee Stock Purchase Plan (the "Employee Stock
         Purchase  Plan") and  subscribe  to  purchase  shares of the  Company's
         Common Stock in  accordance  with this  Subscription  Agreement and the
         Employee Stock Purchase Plan.

2.       I hereby authorize payroll  deductions from each paycheck in the amount
         of  ____%  for  the  first  Offering  Period  [please  specify  in full
         percentage points from 1% to 12%], and ___% for all subsequent Offering
         Periods [please  specify in full percentage  points from 1% to 10%], of
         my  Compensation  (as  defined in the Plan) on each  payday  during the
         Offering  Period in accordance  with the Employee  Stock Purchase Plan.
         (Please note that no fractional percentages are permitted.)

3.       I  understand  that prior to the  Purchase  Date I may  discontinue  my
         participation in the Plan as provided in Section 10 of the Plan. I also
         understand that I can increase or decrease the rate of my Contributions
         to not less than 1% and to not more than 12% of my Compensation  during
         the initial Offering  Period,  and not more than 10% of my Compensation
         during all subsequent Offering Periods,  but no more frequently than on
         one occasion during any Offering Period, by completing and filing a new
         Subscription  Agreement with such increase or decrease taking effect as
         of the  beginning  of the next  calendar  month  following  the date of
         filing of the new Subscription Agreement (provided it is filed at least
         five (5) business  days prior to the  beginning  of such month).  I may
         change the rate of deductions for future  Offering  Periods by filing a
         new Subscription Agreement, and any such change will be effective as of
         the beginning of the next Offering Period. I acknowledge that, unless I
         discontinue my  participation  in the Plan as provided in Section 10 of
         the Plan, my election will continue to be

                                       13

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Cylink Corporation
Year 2000 Employee Stock Purchase Plan

         effective for each successive Offering Period.

4.       I understand that said payroll  deductions shall be accumulated for the
         purchase of shares of Common  Stock at the  applicable  Purchase  Price
         determined  in  accordance  with the Employee  Stock  Purchase  Plan. I
         understand  that if I do not withdraw from an Offering Period by giving
         written notice (see Exhibit B), any accumulated payroll deductions will
         be used to automatically exercise my option.

5.       I have received a copy of the complete  Employee Stock Purchase Plan. I
         understand that my participation in the Employee Stock Purchase Plan is
         in all respects  subject to the terms of the Plan. I understand that my
         ability to exercise  the option  under this  Subscription  Agreement is
         subject to shareholder approval of the Employee Stock Purchase Plan.

6.       Shares  purchased for me under the Employee  Stock Purchase Plan should
         be issued in the name(s) of  (Employee  or Employee  and Spouse  only):
         __________________________________________

7.       I understand that if I dispose of any shares received by me pursuant to
         the Plan within 2 years after the Enrollment Date (the first day of the
         Offering Period during which I purchased such shares) or one year after
         the Exercise Date, I will be treated for federal income tax purposes as
         having received  ordinary income at the time of such  disposition in an
         amount  equal to the excess of the fair  market  value of the shares at
         the time such shares were  purchased  by me over the price which I paid
         for the shares.  I hereby agree to notify the Company in writing within
         30 days after the date of any  disposition of my shares and I will make
         adequate  provision  for  Federal,   state  or  other  tax  withholding
         obligations,  if any,  which arise upon the  disposition  of the Common
         Stock.  The Company may, but will not be obligated to, withhold from my
         compensation  the amount  necessary to meet any applicable  withholding
         obligation including any withholding necessary to make available to the
         Company any tax  deductions or benefits  attributable  to sale or early
         disposition  of Common  Stock by me. If I dispose of such shares at any
         time after the expiration of the 2-year and 1-year holding  periods,  I
         understand  that I will be treated for federal  income tax  purposes as
         having received income only at the time of such  disposition,  and that
         such income  will be taxed as ordinary  income only to the extent of an
         amount  equal to the lesser of (1) the excess of the fair market  value
         of the shares at the time of such  disposition  over the purchase price
         which I paid for the shares, or (2) 15% of the fair market value of the
         shares on the first day of the Offering  Period.  The  remainder of the
         gain, if any,  recognized on such  disposition will be taxed as capital
         gain.

                                       14

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Cylink Corporation
Year 2000 Employee Stock Purchase Plan

8.       I hereby agree to be bound by the terms of the Employee  Stock Purchase
         Plan. The  effectiveness  of this  Subscription  Agreement is dependent
         upon my eligibility to participate in the Employee Stock Purchase Plan.

                                       15

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Cylink Corporation
Year 2000 Employee Stock Purchase Plan

9.       In the  event of my  death,  I hereby  designate  the  following  as my
         beneficiary(ies)  to receive all  payments  and shares due me under the
         Employee Stock Purchase Plan:

NAME: (Please print) ___________________________________________________________
                        (First)             (Middle)            (Last)

______________________________       ___________________________________________
Relationship To Employee
                                     ___________________________________________
                                     (Address Of Beneficiary)

Employee's Social Security Number:   ___________________________________________

Employee's Address:                  ___________________________________________

                                     ___________________________________________

                                     ___________________________________________

I UNDERSTAND THAT THIS SUBSCRIPTION  AGREEMENT SHALL REMAIN IN EFFECT THROUGHOUT
SUCCESSIVE OFFERING PERIODS UNLESS TERMINATED BY ME.

Dated: ___________________           ___________________________________________
                                     Signature of Employee

                                     ___________________________________________
                                     Spouse's Signature (If beneficiary other
                                     than spouse)

                                       16

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Cylink Corporation
Year 2000 Employee Stock Purchase Plan

                                    EXHIBIT B

                               CYLINK CORPORATION

                     Year 2000 EMPLOYEE STOCK PURCHASE PLAN

                              NOTICE OF WITHDRAWAL

         The  undersigned  participant  in the  Offering  Period  of the  Cylink
Corporation 2000 Employee Stock Purchase Plan which began on ____________,  20__
(the  "Enrollment  Date")  hereby  notifies  the  Company  that he or she hereby
withdraws from the Offering Period.  He or she hereby directs the Company to pay
to the  undersigned  as  promptly  as  practicable  all the  payroll  deductions
credited  to his or her  account  with  respect  to such  Offering  Period.  The
undersigned  understands  and agrees  that his or her  option for such  Offering
Period will be automatically  terminated.  The undersigned  understands  further
that no further  payroll  deductions  will be made for the purchase of shares in
the current Offering Period and the undersigned shall be eligible to participate
in  succeeding  Offering  Periods  only  by  delivering  to  the  Company  a new
Subscription Agreement.

                                      Name and Address of Participant:

                                      __________________________________________

                                      __________________________________________

                                      __________________________________________

                                      Signature:

                                      __________________________________________

                                      Date: ____________________________________

                                       17

<PAGE>

Cylink Corporation
Year 2000 Employee Stock Purchase Plan

                                    EXHIBIT A

                               CYLINK CORPORATION

                     YEAR 2000 EMPLOYEE STOCK PURCHASE PLAN

                             SUBSCRIPTION AGREEMENT

Check Applicable Items:

_____ Original Application (Enrollment Date: ___________)
_____ Change in Payroll Deduction Rate
_____ Change of Beneficiary(ies)

1.       I,  ___________________________  hereby  elect  to  participate  in the
         Cylink   Corporation  Year  2000  Employee  Stock  Purchase  Plan  (the
         "Employee Stock Purchase Plan") and subscribe to purchase shares of the
         Company's Common Stock in accordance with this  Subscription  Agreement
         and the Employee Stock Purchase Plan.

2.       I hereby authorize payroll  deductions from each paycheck in the amount
         of  ____%  for  the  first  Offering  Period  [please  specify  in full
         percentage points from 1% to 12%], and ___% for all subsequent Offering
         Periods [please  specify in full percentage  points from 1% to 10%], of
         my  Compensation  (as  defined in the Plan) on each  payday  during the
         Offering  Period in accordance  with the Employee  Stock Purchase Plan.
         (Please note that no fractional percentages are permitted.)

3.       I  understand  that prior to the  Purchase  Date I may  discontinue  my
         participation in the Plan as provided in Section 10 of the Plan. I also
         understand that I can increase or decrease the rate of my Contributions
         to not less than 1% and to not more than 12% of my Compensation  during
         the initial Offering  Period,  and not more than 10% of my Compensation
         during all subsequent Offering Periods,  but no more frequently than on
         one occasion during any Offering Period, by completing and filing a new
         Subscription  Agreement with such increase or decrease taking effect as
         of the  beginning  of the next  calendar  month  following  the date of
         filing of the new Subscription Agreement (provided it is filed at least
         five (5) business  days prior to the  beginning  of such month).  I may
         change the rate of deductions for future  Offering  Periods by filing a
         new Subscription

                                       18

<PAGE>

Cylink Corporation
Year 2000 Employee Stock Purchase Plan

         Agreement, and any such change will be effective as of the beginning of
         the next Offering Period. I acknowledge  that,  unless I discontinue my
         participation  in the Plan as  provided  in Section 10 of the Plan,  my
         election  will continue to be effective  for each  successive  Offering
         Period.

4.       I understand that said payroll  deductions shall be accumulated for the
         purchase of shares of Common  Stock at the  applicable  Purchase  Price
         determined  in  accordance  with the Employee  Stock  Purchase  Plan. I
         understand  that if I do not withdraw from an Offering Period by giving
         written notice (see Exhibit B), any accumulated payroll deductions will
         be used to automatically exercise my option.

5.       I have received a copy of the complete  Employee Stock Purchase Plan. I
         understand that my participation in the Employee Stock Purchase Plan is
         in all respects  subject to the terms of the Plan. I understand that my
         ability to exercise  the option  under this  Subscription  Agreement is
         subject to shareholder approval of the Employee Stock Purchase Plan.

6.       Shares  purchased for me under the Employee  Stock Purchase Plan should
         be issued in the name(s) of  (Employee  or Employee  and Spouse  only):
         ________________________________

7.       I understand that if I dispose of any shares received by me pursuant to
         the Plan within 2 years after the Enrollment Date (the first day of the
         Offering Period during which I purchased such shares) or one year after
         the Exercise Date, I will be treated for federal income tax purposes as
         having received  ordinary income at the time of such  disposition in an
         amount  equal to the excess of the fair  market  value of the shares at
         the time such shares were  purchased  by me over the price which I paid
         for the shares.  I hereby agree to notify the Company in writing within
         30 days after the date of any  disposition of my shares and I will make
         adequate  provision  for  Federal,   state  or  other  tax  withholding
         obligations,  if any,  which arise upon the  disposition  of the Common
         Stock.  The Company may, but will not be obligated to, withhold from my
         compensation  the amount  necessary to meet any applicable  withholding
         obligation including any withholding necessary to make available to the
         Company any tax  deductions or benefits  attributable  to sale or early
         disposition  of Common  Stock by me. If I dispose of such shares at any
         time after the expiration of the 2-year and 1-year holding  periods,  I
         understand  that I will be treated for federal  income tax  purposes as
         having received income only at the time of such  disposition,  and that
         such income  will be taxed as ordinary  income only to the extent of an
         amount  equal to the lesser of (1) the excess of the fair market  value
         of the shares at the time of such  disposition  over the purchase price
         which I paid for the shares, or (2) 15% of the fair market value of the
         shares on the first day of the Offering  Period.  The

                                       19

<PAGE>

Cylink Corporation
Year 2000 Employee Stock Purchase Plan

         remainder of the gain, if any,  recognized on such  disposition will be
         taxed as capital gain.

8.       I hereby agree to be bound by the terms of the Employee  Stock Purchase
         Plan. The  effectiveness  of this  Subscription  Agreement is dependent
         upon my eligibility to participate in the Employee Stock Purchase Plan.

9.       In the  event of my  death,  I hereby  designate  the  following  as my
         beneficiary(ies)  to receive all  payments  and shares due me under the
         Employee Stock Purchase Plan:

NAME: (Please print) ___________________________________________________________
                        (First)             (Middle)            (Last)

______________________________       ___________________________________________
Relationship To Employee
                                     ___________________________________________
                                     (Address Of Beneficiary)

Employee's Social Security Number:   ___________________________________________

Employee's Address:                  ___________________________________________

                                     ___________________________________________

                                     ___________________________________________

I UNDERSTAND THAT THIS SUBSCRIPTION  AGREEMENT SHALL REMAIN IN EFFECT THROUGHOUT
SUCCESSIVE OFFERING PERIODS UNLESS TERMINATED BY ME.

Dated: ___________________           ___________________________________________
                                     Signature of Employee

                                     ___________________________________________
                                     Spouse's Signature (If beneficiary other
                                     than spouse)

                                       20

<PAGE>

Cylink Corporation
Year 2000 Employee Stock Purchase Plan

                                    EXHIBIT B

                               CYLINK CORPORATION

                     Year 2000 EMPLOYEE STOCK PURCHASE PLAN

                              NOTICE OF WITHDRAWAL

         The  undersigned  participant  in the  Offering  Period  of the  Cylink
Corporation  2000  Employee  Stock  Purchase  Plan which began on  ____________,
19____ (the "Enrollment Date") hereby notifies the Company that he or she hereby
withdraws from the Offering Period.  He or she hereby directs the Company to pay
to the  undersigned  as  promptly  as  practicable  all the  payroll  deductions
credited  to his or her  account  with  respect  to such  Offering  Period.  The
undersigned  understands  and agrees  that his or her  option for such  Offering
Period will be automatically  terminated.  The undersigned  understands  further
that no further  payroll  deductions  will be made for the purchase of shares in
the current Offering Period and the undersigned shall be eligible to participate
in  succeeding  Offering  Periods  only  by  delivering  to  the  Company  a new
Subscription Agreement.

                                      Name and Address of Participant:

                                      __________________________________________

                                      __________________________________________

                                      __________________________________________

                                      Signature:

                                      __________________________________________

                                      Date: ____________________________________

                                       21<PAGE>

                                                                     EXHIBIT 4.1

                    CERTIFICATE OF DESIGNATIONS, PREFERENCES
                      AND RELATIVE, PARTICIPATING, OPTIONAL
                       OR OTHER SPECIAL RIGHTS OF SERIES A
                           CONVERTIBLE PREFERRED STOCK
                               AND QUALIFICATIONS,
                      LIMITATIONS AND RESTRICTIONS THEREOF

                                       OF

                              TEKINSIGHT.COM, INC.

           (Under Section 151 of the Delaware General Corporation Law)

<PAGE>

                    CERTIFICATE OF DESIGNATIONS, PREFERENCES
                      AND RELATIVE, PARTICIPATING, OPTIONAL
                       OR OTHER SPECIAL RIGHTS OF SERIES A
                           CONVERTIBLE PREFERRED STOCK
                               AND QUALIFICATIONS,
                      LIMITATIONS AND RESTRICTIONS THEREOF

                                       OF

                              TEKINSIGHT.COM, INC.

           (Under Section 151 of the Delaware General Corporation Law)

                  TekInsight.Com, Inc. (the "Corporation"), a corporation
organized and existing under and by virtue of the General Corporation Law of the
State of Delaware and formerly known as Tadeo Holdings, Inc. and as Universal
Self Care, Inc., in accordance with the provisions of Section 151 of the General
Corporation Law of the State of Delaware, DOES HEREBY CERTIFY:

                  That, pursuant to authority conferred upon the Board of
Directors by the Certificate of Incorporation of said Corporation, said Board of
Directors duly adopted a resolution providing for the authorization of a series
of preferred stock consisting of 7,500,000 shares designated Series A
Convertible Preferred Stock, which resolution is as follows:

                  RESOLVED: That, pursuant to Article FOURTH of the Certificate
of Incorporation of the Corporation, there be and hereby is authorized and
created a series of Preferred Stock, hereby designated as the Series A
Convertible Preferred Stock, to consist of 7,500,000, par value of $.0001 per
share, having the designations, preferences, relative participating, optional
and other special rights, qualifications, limitations and restrictions as
hereinafter set forth (the "Certificate of Designations"):

                                   ARTICLE 1.

                                   DEFINITIONS

                  SECTION 1.1. Definitions. The terms defined in this Article
whenever used in this Amendment have the following respective meanings:

                  (a) [Reserved]

                  (b) "Affiliate" has the meaning ascribed to such term in Rule
12b-2 under the Securities Exchange Act of 1934, as amended.

                  (c) "Average Price" means the average of the closing sale
prices per share of Common Stock as reported on The Nasdaq SmallCap Market for
the ten (10) consecutive trading days ending on the trading day that immediately
precedes the Closing Date.

                                       2
<PAGE>

                  (d) "Business Day" means a day other than Saturday, Sunday or
any day on which banks located in the State of New York are authorized or
obligated to close.

                  (e) "Capital Shares" means the Common Shares and any other
shares of any other class or series of Common Stock, whether now or hereafter
authorized and however designated, which have the right to participate in the
distribution of earnings and assets (upon dissolution, liquidation or
winding-up) of the Corporation.

                  (f) "Closing Date" means the Closing Date as defined in the
Merger Agreement.

                  (g) "Common Shares" or "Common Stock" means shares of Common
Stock, $.0001 par value, of the Corporation.

                  (h) "Common Stock Issued at Conversion" when used with
reference to the securities issuable upon conversion of the Series A Preferred
Stock, means all Common Shares now or hereafter Outstanding and securities of
any other class or series into which the Series A Preferred Stock hereafter
shall have been changed or substituted, whether now or hereafter created and
however designated.

                  (i) "Conversion Date" means any day on which all or any
portion of shares of the Series A Preferred Stock is converted in accordance
with the provisions hereof.

                  (j) "Conversion Notice" has the meaning set forth in Section
6.2.

                  (k) "Conversion Rate" means on any date of determination the
applicable rate (e.g., one-for-one) for the conversion of shares of Series A
Preferred Stock into Common Shares on such day as set forth in Section 6.1.

                  (l) "Corporation" means TekInsight.Com, Inc., a Delaware
corporation, and any successor or resulting corporation by way of merger,
consolidation, sale or exchange of all or substantially all of the Surviving
Corporation's assets, or otherwise.

                  (m) "Current Conversion Date " means the first anniversary of
the Closing Date.

                  (n) "Holders" means any Persons who become the registered
owners of shares of Series A Preferred Stock pursuant to the terms and
conditions of the Merger Agreement, or any Persons to whom the Series A
Preferred Stock is subsequently transferred in accordance with the provisions
hereof.

                  (o) "Merger Agreement " means that certain Agreement and Plan
of Merger, dated February 18, 2000, between the Corporation, Astratek, Inc. and
Data Systems Network Corporation., as amended on April 4, 2000 and June 28,2000.

                                       3
<PAGE>

                  (p) "Outstanding" when used with reference to Common Shares or
Capital Shares (collectively, "Shares"), means, on any date of determination,
all issued and outstanding Shares, and includes all such Shares issuable in
respect of outstanding scrip or any certificates representing fractional
interests in such Shares; provided, however, that any such Shares directly or
indirectly owned or held by or for the account of the Corporation or any
Subsidiary of the Corporation shall not be deemed "Outstanding" for purposes
hereof.

                  (q) "Person" means an individual, a corporation, a
partnership, an association, a limited liability company, a unincorporated
business organization, a trust or other entity or organization, and any
government or political subdivision or any agency or instrumentality thereof.

                  (r) "SEC" means the United States Securities and Exchange
Commission.

                  (s) "SEC Investigation" means the formal private investigation
by the SEC of accounting irregularities experienced by Data Systems Network
Corporation ("DSN") in DSN's 1996 and 1997 fiscal years, and of which DSN was
informed by the SEC on October 29, 1998.

                  (t) "Securities Act" means the Securities Act of 1933, as
amended, and the rules and regulations of the SEC thereunder, all as in effect
at the time.

                  (u) "Subsidiary" means any entity of which securities or other
ownership interests having ordinary voting power to elect a majority of the
board of directors or other persons performing similar functions are owned
directly or indirectly by the Corporation.

                  (v) "Surviving Corporation" means Astratek, Inc., a New York
corporation, and any successor or resulting corporation by way of merger,
consolidation, sale or exchange of all or substantially all of the Corporation's
asset, or otherwise.

                  All references to "cash" or "$" herein means currency of the
United States of America.

                                   ARTICLE 2.

                                    RESERVED

                                       4
<PAGE>

                                   ARTICLE 3.

                                      RANK

                    The Series A Preferred Stock shall rank (i) prior to the
Common Stock, except as specifically provided for herein; (ii) prior to any
class or series of capital stock of the Corporation hereafter created other than
"Pari Passu Securities" (collectively, with the Common Stock, "Junior
Securities"); and (iii) pari passu with any class or series of capital stock of
the Corporation hereafter created specifically ranking on parity with the Series
A Preferred Stock ("Pari Passu Securities").

                                   ARTICLE 4.

                                    DIVIDENDS

SECTION 4.1. Dividends. (a) The Holders shall be entitled to receive, out of
funds legally available therefor, dividends in the same amount per share as
dividends are paid with respect to the Common Stock (treating each share of
Series A Preferred Stock as being equal to the number of shares of Common Stock
into which each such share of Series A Preferred Stock could be converted
pursuant to the provisions of Article 6 hereof, with such number determined as
of the record date for the determination of Holders of Common Stock entitled to
receive such dividend).

                  (b) As long as any shares of the Series A Preferred Stock are
Outstanding, no dividends shall be declared or paid or set apart for payment on
Pari Passu Securities for any period unless dividends in the same amount per
share as dividends are paid with respect to the Series A Preferred Stock and
Common Stock (with the Series A Preferred Stock being treated along with the
Common Stock in accordance with the requirements of Section 4.1(a)) have been or
contemporaneously are declared and paid or declared and a sum sufficient for the
payment thereof set apart for such payment on the Series A Preferred Stock.

                  (c) As long as any shares of the Series A Preferred Stock are
outstanding, no dividends shall be declared or paid or set apart for payment or
other distribution declared or made upon Junior Securities (other than the
Common Stock) nor shall any Junior Securities be redeemed, purchased or
otherwise acquired [other than a redemption, purchase or other acquisition of
shares of Common Stock made for purposes of an employee agreement, or incentive
or benefit plan (including a stock option plan), of the Corporation or any
subsidiary (all such dividends, distributions, redemptions or purchases being
hereinafter referred to as a "Junior Securities Distribution")] for any
consideration (or any moneys be paid to or made available for a sinking fund for
the redemption of any shares of any such stock) by the Corporation, directly or
indirectly, unless in each case an equal amount of Junior Securities
Distribution per share as dividends, distributions, redemptions or purchase
amounts are paid with respect to the Series A Preferred Stock, any Pari Passu
Securities and the Common Stock (with the Series A Preferred Stock being treated
along with the Common Stock in accordance with the requirements of Section
4.1(a)).

                                       5
<PAGE>

                                   ARTICLE 5.

                             LIQUIDATION PREFERENCE

                  SECTION 5.1. Liquidation. (a) If the Corporation shall
commence the winding up, dissolution or liquidation of its affairs, and the
Corporation shall liquidate, dissolve or wind up (each such event being
considered a "Liquidation Event"), no distribution shall be made to the Holders
of any shares of capital stock of the Corporation upon liquidation, dissolution
or winding up unless prior thereto, the holders of shares of Series A Preferred
Stock, subject to Article 5, shall have received the Liquidation Preference (as
defined in Section 5.1(b)) with respect to each share. If upon the occurrence of
a Liquidation Event, the assets and funds available for distribution among the
Holders of the Series A Preferred Stock and Holders of Pari Passu Securities
shall be insufficient to permit the payment to such Holders of the preferential
amounts payable thereon, then the entire assets and funds of the Corporation
legally available for distribution to the Series A Preferred Stock and the Pari
Passu Securities shall be distributed ratably among such shares in proportion to
the ratio that the Liquidation Preference payable on each such share bears to
the aggregate Liquidation Preferences payable on all such shares.

                  (b) For purposes hereof, the "Liquidation Preference" with
respect to a share of the Series A Preferred Stock shall mean an amount equal to
the Average Price (adjusted appropriately for stock splits).

                                   ARTICLE 6.

                     CONVERSION OF SERIES A PREFERRED STOCK

                  SECTION 6.1. Conversion. A Holder of any share or shares of
Series A Preferred Stock shall be entitled, at any time and from time to time
after the Current Conversion Date (unless a Liquidation Event has occurred prior
to that date) to cause any or all of such shares to be converted into shares of
Common Stock. The initial Conversion Rate for each share of Series A Preferred
Stock shall be equal to one of the following ratios: (i) in the event that the
closing bid price per share of Common Stock as reported on The Nasdaq SmallCap
Market for the trading date immediately preceding the Closing Date (the "Market
Price") is $3.50 or less , then the initial Conversion Rate for each share of
Series A Preferred Stock shall be equal to one share of Series A Preferred Stock
for-two and one-half (2.5) shares of Common Stock; (ii) in the event that the
Market Price is more than $3.50 but equal to or less than $4.50, then the
initial Conversion Rate for each share of Series A Preferred Stock shall be
equal to one share of Series A Preferred Stock for-one and one-half (1.5) shares
of Common Stock; and (iii) in the event that the Market Price is more than
$4.50, then the initial Conversion Rate for each share of Series A Preferred
Stock shall be equal to one share of Series A Preferred Stock for-one share of
Common Stock. Such initial Conversion Rate shall be adjusted as hereinafter
provided. If a Holder elects to convert Series A Preferred Stock at a time when
there are any declared and unpaid dividends or other amounts due on such shares,
to the extent permitted by applicable law (which the Corporation shall use its
best efforts to comply with in order to permit such payment of declared and
unpaid dividends or other amounts), such dividends and other amounts shall be
paid in full by the Corporation in connection with such conversion.

                                       6
<PAGE>

                  SECTION 6.2. Exercise of Conversion Privilege. Conversion of
the Series A Preferred Stock may be exercised, in whole or in part, by the
Holder by telecopying an executed and completed notice of conversion in the form
annexed hereto as Annex I (the "Conversion Notice") to the Corporation. Each
date on which a Conversion Notice is telecopied to and received by the
Corporation in accordance with the provisions of this Section 6.2 shall
constitute a Conversion Date. The Corporation shall convert the Series A
Preferred Stock and issue the Common Stock Issued at Conversion effective as of
the Conversion Date. The Conversion Notice also shall state the name or names
(with addresses) of the persons who are to become the Holders of the Common
Stock Issued at Conversion in connection with such conversion. The Holder shall
deliver the shares of Series A Preferred Stock to the Corporation by express
courier within five (5) days following the date on which the telecopied
Conversion Notice has been transmitted to the Corporation. Upon surrender for
conversion, the Series A Preferred Stock shall be accompanied by a proper
assignment hereof to the Corporation or be endorsed in blank. As promptly as
practicable after the receipt of the Conversion Notice and the surrender of the
Series A Preferred Stock being converted as aforesaid, the Corporation shall (i)
issue the Common Stock Issued at Conversion in accordance with the provisions of
this Article 6, and (ii) cause to be mailed for delivery to the Holder (X) a
certificate or certificate(s) representing the number of Common Shares to which
the Holder is entitled by virtue of such conversion, (Y) cash, as provided in
Section 6.3, in respect of any fraction of a Share issuable upon such conversion
and (Z) cash in the amount of unpaid dividends as of the Conversion Date. Such
conversion shall be deemed to have been effected at the time at which the
Conversion Notice indicates so long as the Series A Preferred Stock shall have
been surrendered as aforesaid at such time, and at such time the rights of the
Holder of the Series A Preferred Stock, as such, shall cease and the Person and
Persons in whose name or names the Common Stock Issued at Conversion shall be
issuable shall be deemed to have become the Holder or Holders of record of the
Common Shares represented thereby. The Conversion Notice shall constitute a
contract between the Holder and the Corporation, whereby the Holder shall be
deemed to subscribe for the number of Common Shares which it will be entitled to
receive upon such conversion and, in payment and satisfaction of such
subscription (and for any cash adjustment to which it is entitled pursuant to
Section 6.4), to surrender the Series A Preferred Stock and to release the
Corporation from all liability thereon. No cash payment aggregating less than
$1.50 shall be required to be given to any Holder unless specifically requested
by the Holder.

                  SECTION 6.3. Fractional Shares. No fractional Common Shares or
scrip representing fractional Common Shares shall be issued upon conversion of
the Series A Preferred Stock. Instead of any fractional Common Shares which
otherwise would be issuable upon conversion of the Series A Preferred Stock, the
Corporation shall pay a cash adjustment in respect of such fraction in an amount
equal to the same fraction of the Average Price (as adjusted for stock splits).
No cash payment of less than $1.50 shall be required to be given unless
specifically requested by the Holder.

                                       7
<PAGE>

                  SECTION 6.4. Reclassification, Consolidation, Merger or
Mandatory Share Exchange. At any time while the Series A Preferred Stock remains
outstanding and any shares thereof have not been converted, in case of any
reclassification or change of Outstanding Common Shares issuable upon conversion
of the Series A Preferred Stock (other than a change in par value, or from par
value to no par value per share, or from no par value per share to par value or
as a result of a subdivision or combination of outstanding securities issuable
upon conversion of the Series A Preferred Stock) or in case of any
consolidation, merger or mandatory share exchange of the Corporation with or
into another corporation (other than a merger or mandatory share exchange with
another corporation in which the Corporation is a continuing corporation and
which does not result in any reclassification or change, other than a change in
par value, or from par value to no par value per share, or from no par value per
share to par value, or as a result of a subdivision or combination of
Outstanding Common Shares upon conversion of the Series A Preferred Stock), or
in the case of any sale or transfer to another corporation of the property of
the Corporation as an entirety or substantially as an entirety (any of which
shall be identified as a "Major Corporate Event"), the Corporation, or such
successor, resulting or purchasing corporation, as the case may be, shall,
without payment of any additional consideration therefor, execute a new Series A
Preferred Stock providing that the Holder shall have the right to convert such
new Series A Preferred Stock (upon terms and conditions not less favorable to
the Holder than those in effect pursuant to the Series A Preferred Stock) and to
receive upon such exercise, in lieu of each Common Share theretofore issuable
upon conversion of the Series A Preferred Stock, the kind and amount of shares
of stock, other securities, money or property receivable upon such
reclassification, change, consolidation, merger, mandatory share exchange, sale
or transfer by the Holder of one Common Share issuable upon conversion of the
Series A Preferred Stock had the Series A Preferred Stock been converted
immediately prior to such reclassification, change, consolidation, merger,
mandatory share exchange or sale or transfer. The provisions of this Section 6.4
shall similarly apply to successive reclassifications, changes, consolidations,
mergers, mandatory share exchanges and sales and transfers.

                  SECTION 6.5. Reservation of Common Stock. The Corporation
shall at all times reserve and keep available out of its authorized and unissued
Common Stock, solely for issuance upon the conversion of Series A Preferred
Stock as herein provided, free from any preemptive rights or other obligations,
such number of shares of Common Stock as shall from time to time be issuable
upon the conversion of all the Series A Preferred Stock then outstanding. The
Corporation shall prepare and shall use its best efforts to obtain and keep in
force such governmental or regulatory permits or other authorizations as may be
required by law, and shall comply with all requirements as to registration,
qualification or listing of the Common Stock, in order to enable the Corporation
lawfully to issue and deliver to each Holder of record of Series A Preferred
Stock such number of shares of its Common Stock as shall from time to time be
sufficient to effect the conversion of all Series A Preferred Stock then
outstanding and convertible into shares of Common Stock.

                  SECTION 6.6. Adjustments. The Conversion Rate in effect, or
the number of shares of Common Stock into which the Series A Preferred Stock is
convertible, from time to time shall be subject to adjustment as follows:

                                       8
<PAGE>

                  (a) Stock Dividends, Subdivisions and Combinations. Upon the
issuance of additional shares of Common Stock as a dividend or other
distribution on outstanding Common Stock (unless also distributed to Holders of
Series A Preferred Stock in accordance with Section 4.1(a)), the subdivision of
outstanding shares of Common Stock into a greater number of shares of Common
Stock, or the combination of outstanding shares of Common Stock into a smaller
number of shares of Common Stock, the Conversion Rate shall, simultaneously with
the happening of such dividend, distribution, subdivision or combination be
adjusted by multiplying the then effective Conversion Rate by a fraction, the
numerator of which shall be the number of shares of Common Stock Outstanding
immediately prior to such event and the denominator of which shall be the number
of shares of Common Stock Outstanding immediately after such event. An
adjustment made pursuant to this Section 6.6(a) shall be given effect, in the
case of payment of such a dividend or distribution, as of the record date for
the determination of stockholders entitled to receive such dividend or
distribution (on a retroactive basis) and in the case of a subdivision or
combination shall become effective immediately as of the effective date thereof.

                  (b) Other Adjustments. (i) In event the Corporation shall make
or issue, or fix a record date for the determination of Holders of Common Stock
entitled to receive a dividend or other distribution payable in securities of
the Corporation other than shares of Common Stock, then and in each such event
lawful and adequate provision shall be made so that the Holders shall receive
upon conversion thereof in addition to the number of shares of Common Stock
receivable thereupon, the number of securities of the Corporation which they
would have received had their Series A Preferred Stock been converted into
Common Stock on the date of such event and had they thereafter, during the
period from the date of such event to and including the respective Conversion
Date, retained such securities receivable by them as aforesaid during such
period, giving application to all adjustments called for during such period
under this Section 6.6 as applied to such distributed securities.

                  (ii) If the Common Stock issuable upon the conversion of the
Series A Preferred Stock shall be changed into the same or different number of
shares of any class or classes of stock, whether by reclassification or
otherwise (other than a subdivision or combination of shares or stock dividend,
subdivision or combination provided for above, or a reorganization, merger,
consolidation or sale of assets provided for in Section 6.4), then and in each
such event the Holder shall have the right thereafter to convert such share into
the kind and amount of shares of stock and other securities and property
receivable upon such reclassification or other change, by Holders of the number
of shares of Common Stock into which such shares of Series A Preferred Stock
might have been converted immediately prior to such reclassification or change,
all subject to further adjustment as provided herein.

                  (iii) In the event that as a result of the SEC Investigation
the Corporation or the Surviving Corporation is notified that the SEC
Investigation will result in any form of monetary penalty or other assessment to
be assessed against the Corporation or the Surviving Corporation for payment by
either such company (the "Penalty"), the quotient found by dividing the dollar
amount of the assessed Penalty by the number of shares of Series A Preferred
Stock that became issuable to the Holders on the Closing Date shall be used as
the numerator, and the Average Price shall be used as the denominator, of a
ratio which when multiplied by the then applicable Conversion Rate shall result
in an adjusted Conversion Rate which will be applicable to all outstanding
shares of Series A Preferred Stock; provided, that to the extent that after
further negotiation the announced Penalty is reduced, the Conversion Rate shall
be further adjusted for all then outstanding shares of Series A Preferred Stock
to reflect the actual amount of the Penalty paid at the time that the SEC
Investigation results in a final order issued by the SEC.

                                       9
<PAGE>

                  SECTION 6.7. Notices. In each case of an adjustment or
readjustment of the Conversion Rate, the Corporation will furnish each
registered Holder with a certificate, prepared by the President or Chief
Financial Officer of the Corporation, showing such adjustment or readjustment,
and stating in reasonable detail the facts upon which such adjustment or
readjustment is based.

                  SECTION 6.8. No Impairment. The Corporation will not, by
amendment of its Certificate of Incorporation, this Certificate of Designations,
or through any reorganization, recapitalization, transfer of assets,
consolidation, merger, dissolution, issue or sale of securities or any other
voluntary action, avoid or seek to avoid the observance or performance of any of
the terms to be observed or performed hereunder by the Corporation, but will at
all times in good faith assist in the carrying out of all the provisions of this
Article 6 and in the taking of all such action as may be necessary or
appropriate in order to protect the conversion rights of the Holders of the
Series A Preferred Stock against unreasonable impairment.

                  SECTION 6.9. Automatic Conversion. In the event that on the
fifth anniversary of the Closing Date there are shares of Series A Preferred
Stock outstanding (the "Mandatory Conversion Date"), all Series A Preferred
Stock outstanding shall be converted to Common Stock at the then applicable
Conversion Rate ("Automatic Conversion").

                  SECTION 6.10. Notice of Automatic Conversion. Notice of
Automatic Conversion pursuant to Section 6.9 shall be provided by the
Corporation to the Holder in writing (by registered mail or overnight courier at
the Holder's last address appearing in the Corporation's security registry) not
fewer than ten (10) nor more than thirty (30) days prior to the Mandatory
Conversion Date.

                  SECTION 6.11. Surrender of Series A Preferred Stock. Upon
conversion of the Series A Preferred Stock pursuant to Sections 6.9, the Holder
shall either deliver the Series A Preferred Stock by hand to the Corporation at
its principal executive offices or surrender the same to the Corporation at such
address by express courier. Issuance of the Common Stock upon Automatic
Conversion of the Series A Preferred Stock shall be made by the Corporation to
the Holder against receipt of the Series A Preferred Stock.

                  SECTION 6.12. Reacquired Shares. Any shares of the Series A
Preferred Stock acquired by the Corporation by reason of purchase, conversion or
otherwise shall (upon compliance with any applicable provisions of the laws of
the State of Delaware) have the status of authorized and unissued shares of
Preferred Stock, unclassified as to series, and may be reissued as part of any
series of Preferred Stock; provided, however, that no such shares shall be
reissued or sold as Series A Preferred Stock.

                                       10
<PAGE>

                                   ARTICLE 7.

                                  VOTING RIGHTS

                  SECTION 7.1. Voting Rights.

                  (a) Except as otherwise expressly provided herein or as
required by law, the Holder of each share of Series A Preferred Stock shall be
entitled to vote on all matters for which Holders of Common Stock are entitled
to vote. Each share of Series A Preferred Stock shall entitle the Holder thereof
to such number of votes per share as shall equal the number of shares of Common
Stock into which each share of Series A Preferred Stock is convertible,
determined as of the date for determination of holders of Common Stock entitled
to vote with respect to such matter. Except as otherwise expressly provided
herein (including, without limitation, the provisions of Article 8 hereof) or as
required by law, the Holders of shares of Series A Preferred Stock and Common
Stock shall vote together as a single class on all matters.

                  (b) The Corporation shall provide each Holder of Series A
Preferred Stock with prior notification of any meeting of the stockholders (and
copies of proxy materials and other information sent to stockholders), which
notice would be provided pursuant to the Corporation's by laws and the Delaware
General Corporation Law ("GCL"). In the event of any taking by the Corporation
of a record of its stockholders for the purpose of determining stockholders who
are entitled to receive payment of any dividend or other distribution, any right
to subscribe for, purchase or otherwise acquire (including by way of merger,
consolidation or recapitalization) any share of any class or any other
securities or property, or to receive any other right, or for the purpose of
determining stockholders who are entitled to vote in connection with any
proposed liquidation, dissolution or winding up of the Corporation, the
Corporation shall mail a notice to each Holder, at least ten (10) days prior to
the consummation of the transaction or event, whichever is earlier), of the date
on which any such action is to be taken for the purpose of such dividend,
distribution, right or other event, and a brief statement regarding the amount
and character of such dividend, distribution, right or other event to the extent
known at such time.

                  (c) To the extent that under the GCL the vote of the Holders
of the Series A Preferred Stock, voting separately as a class or series as
applicable, is required to authorize a given action of the Corporation, the
affirmative vote or consent of the Holders of at least a majority of the shares
of the Series A Preferred Stock represented at a duly held meeting at which a
quorum is present or by written consent of a majority of the shares of Series A
Preferred Stock (except as otherwise may be required under the GCL) shall
constitute the approval of such action by the class. To the extent that under
the terms of the Company's Certificate of Incorporation and/or the GCL Holders
of the Series A Preferred Stock are entitled to vote on a matter with Holders of
Common Stock, voting together as one class, each share of Series A Preferred
Stock shall be entitled to a number of votes equal to the number of shares of
Common Stock into which it is then convertible using the record date for the
taking of such vote of stockholders as the date as of which the Conversion Rate
is calculated. Holders of the Series A Preferred Stock shall be entitled to
notice of all stockholder meetings or written consents (and copies of proxy
materials and other information sent to stockholders) with respect to which they
would be entitled to vote, which notice would be provided pursuant to the
Corporation's bylaws and the GCL.

                                       11
<PAGE>

                                   ARTICLE 8.

                              PROTECTIVE PROVISIONS

                  So long as shares of Series A Preferred Stock are outstanding,
the Corporation shall not, without first obtaining the approval (by vote or
written consent, as provided by the GCL) of the Holders of at least a majority
of the then outstanding shares of Series A Preferred Stock:

                  (a) alter or change the rights, preferences or privileges of
the Series A Preferred Stock;

                  (b) create any new class or series of capital stock having a
preference over the Series A Preferred Stock as to distribution of assets upon
liquidation, dissolution or winding up of the Corporation ("Senior Securities")
or alter or change the rights, preferences or privileges of any Senior
Securities so as to affect adversely the Series A Preferred Stock;

                  (c) increase the authorized number of shares of Series A
Preferred Stock; or

                  (d) do any act or thing not authorized or contemplated by this
Amendment which
would result in taxation of the Holders of shares of the Series A Preferred
Stock under Section 305 of the Internal Revenue Code of 1986, as amended (or any
comparable provision of the Internal Revenue Code as hereafter from time to time
amended).

                  In the event Holders of at least a majority of the then
outstanding shares of Series A Preferred Stock agree to allow the Corporation to
alter or change the rights, preferences or privileges of the shares of Series A
Preferred Stock, pursuant to subsection (a) above, so as to affect the Series A
Preferred Stock, then the Corporation will deliver notice of such approved
change to the Holders of the Series A Preferred Stock that did not agree to such
alteration or change (the "Dissenting Holders") and Dissenting Holders shall
have the right for a period of thirty (30) days to convert pursuant to the terms
of this Amendment as they exist prior to such alteration or change or continue
to hold their shares of Series A Preferred Stock.

                                   ARTICLE 9.

                                  MISCELLANEOUS

                  SECTION 9.1. Loss, Theft, Destruction of Series A Preferred
Stock. Upon receipt of evidence satisfactory to the Corporation of the loss,
theft, destruction or mutilation of shares of Series A Preferred Stock and, in
the case of any such loss, theft or destruction, upon receipt of indemnity or
security reasonably satisfactory to the Corporation, or, in the case of any such
mutilation, upon surrender and cancellation of the Series A Preferred Stock, the
Corporation shall make, issue and deliver, in lieu of such lost, stolen,
destroyed or mutilated shares of Series A Preferred Stock, new shares of Series
A Preferred Stock of like tenor. The Series A Preferred Stock shall be held and
owned upon the express condition that the provisions of this Section 9.1 are
exclusive with respect to the replacement of mutilated, destroyed, lost or
stolen shares of Series A Preferred Stock and shall preclude any and all other
rights and remedies notwithstanding any law or statute existing or hereafter
enacted to the contrary with respect to the replacement of negotiable
instruments or other securities without the surrender thereof.

                                       12
<PAGE>

                  SECTION 9.2. Who Deemed Absolute Owner. The Corporation may
deem the Person in whose name the Series A Preferred Stock shall be registered
upon the registry books of the Corporation to be, and may treat it as, the
absolute owner of the Series A Preferred Stock for the purpose of receiving
payment of dividends on the Series A Preferred Stock, for the conversion of the
Series A Preferred Stock and for all other purposes, and the Corporation shall
not be affected by any notice to the contrary. All such payments and such
conversion shall be valid and effectual to satisfy and discharge the liability
upon the Series A Preferred Stock to the extent of the sum or sums so paid or
the conversion so made.

                  SECTION 9.3. Notice of Certain Events. In the case of the
occurrence of any event described in Sections 6.1, 6.4, 6.6 and 6.9 of this
Certificate of Designations, the Corporation shall cause to be mailed to the
Holder of the Series A Preferred Stock at its last address as it appears in the
Corporation's security registry, at least twenty (20) days prior to the
applicable record, effective or expiration date hereinafter specified (or, if
such twenty (20) days notice is not practicable, at the earliest practicable
date prior to any such record, effective or expiration date), a notice stating
(x) the date on which a record is to be taken for the purpose of such dividend,
distribution, issuance or granting of rights, options or warrants, or if a
record is not to be taken, the date as of which the Holders of record of Series
A Preferred Stock to be entitled to such dividend, distribution, issuance or
granting of rights, options or warrants are to be determined or (y) the date on
which such reclassification, consolidation, merger, sale, transfer, dissolution,
liquidation or winding-up is expected to become effective, and the date as of
which it is expected that Holders of record of Series A Preferred Stock will be
entitled to exchange their shares for securities, cash or other property
deliverable upon such reclassification, consolidation, merger, sale transfer,
dissolution, liquidation or winding-up.

                  SECTION 9.4. Register. The Corporation shall keep at its
principal office a register in which the Corporation shall provide for the
registration of the Series A Preferred Stock. Upon any transfer of the Series A
Preferred Stock in accordance with the provisions hereof, the Corporation shall
register such transfer on the Series A Preferred Stock register.

                  The Corporation may deem the person in whose name the Series A
Preferred Stock shall be registered upon the registry books of the Corporation
to be, and may treat it as, the absolute owner of the Series A Preferred Stock
for the purpose of receiving payment of dividends on the Series A Preferred
Stock, for the conversion of the Series A Preferred Stock and for all other
purposes, and the Corporation shall not be affected by any notice to the
contrary. All such payments and such conversions shall be valid and effective to
satisfy and discharge the liability upon the Series A Preferred Stock to the
extent of the sum or sums so paid or the conversion or conversions so made.

                                       13
<PAGE>

                  SECTION 9.5. Withholding. To the extent required by applicable
law, the Corporation may withhold amounts for or on account of any taxes imposed
or levied by or on behalf of any taxing authority in the United States having
jurisdiction over the Corporation from any payments made pursuant to the Series
A Preferred Stock.

                  SECTION 9.6. Headings. The headings of the Articles and
Sections of this Amendment are inserted for convenience only and do not
constitute a part of this Certificate of Designations.

                  IN WITNESS WHEREOF, the undersigned has executed this
Certificate of Designations this ___ day of __________, 2000.

                                   TEKINSIGHT.COM, INC.

                                   By:
                                       ----------------------------------

Attest:

----------------------------------
Secretary

                                       14
<PAGE>

                                     ANNEX I
                           [FORM OF CONVERSION NOTICE]

TO:

                  The undersigned owner of this Series A Convertible Preferred
Stock (the "Series A Preferred Stock") issued by TekInsight.Com, Inc. (the
"Corporation") hereby irrevocably exercises its option to convert __________
shares of the Series A Preferred Stock into shares of the common stock, $.0001
par value, of the Corporation ("Common Stock"), in accordance with the terms of
the Certificate of Designations to the Corporation's Certificate of
Incorporation for Series A Preferred Stock (the "Certificate"). The undersigned
hereby instructs the Corporation to convert the number of shares of the Series A
Preferred Stock specified above into Shares of Common Stock Issued at Conversion
in accordance with the provisions of Article 6 of the Certificate. The
undersigned directs that the Common Stock issuable and certificates therefor
deliverable upon conversion, the Series A Preferred Stock recertificated, if
any, not being surrendered for conversion hereby, together with any check in
payment for fractional Common Stock, be issued in the name of and delivered to
the undersigned unless a different name has been indicated below. All
capitalized terms used and not defined herein have the respective meanings
assigned to them in the Certificate.

Dated:
      -----------------------------------

-----------------------------------------
               Signature

                  Fill in for registration of Series A Preferred Stock:

Please print name and address
(including zip code number) :

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