VERISIGN INC/CA
S-8, 1999-07-15
COMPUTER PROGRAMMING SERVICES
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<PAGE>

     As filed with the Securities and Exchange Commission on July 15, 1999
                                                  Registration No. 333-  _______
================================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM S-8

                             REGISTRATION STATEMENT

                                     UNDER

                           THE SECURITIES ACT OF 1933

                                 VERISIGN, INC.

             (Exact name of registrant as specified in its charter)

         Delaware                                            94-3221585
(State or other jurisdiction of                          (I.R.S. employer
incorporation or organization)                          identification no.)

                              1350 Charleston Road
                     Mountain View, California  94043-1331
                    (Address of principal executive offices)

                           1998 Equity Incentive Plan

                       1998 Employee Stock Purchase Plan

                             Non-Plan Stock Options
                             Granted by Registrant

                           (Full titles of the plans)

                                  Dana L. Evan
                            Chief Financial Officer
                                 VeriSign, Inc.
                              1350 Charleston Road
                      Mountain View, California 94043-1331
                                 (650) 961-7500
(Name, address and telephone number, including area code, of agent for service)

                                   Copies to:

                            Jeffrey R. Vetter, Esq.
                            R. Gregory Roussel, Esq.
                               Fenwick & West LLP
                              Two Palo Alto Square
                          Palo Alto, California  94306

                        CALCULATION OF REGISTRATION FEE

<TABLE>
<CAPTION>
- ---------------------------------------------------------------------------------------------------------------------------
                                                                                    Proposed
                                         Amount         Proposed Maximum            Maximum
                                          to be          Offering Price        Aggregate Offering           Amount of
Title of Securities to be Registered   Registered         Per Share                   Price               Registration Fee
- ---------------------------------------------------------------------------------------------------------------------------
<S>                                   <C>              <C>                     <C>                       <C>
Common Stock, no par value..........  4,900,000 (1)       $81.47 (2)               $399,203,000 (2)          $110,978.43
- ----------------------------------------------------------------------------------------------------------------------------
</TABLE>

(1)  Represents 4,000,000 additional shares reserved for issuance upon exercise
     of stock options under the Registrant's 1998 Equity Incentive Plan and
     500,000 additional shares available for issuance under the Registrant's
     1998 Employee Stock Purchase Plan pursuant to amendments of such plans made
     effective as of May 27, 1999.  Also includes 400,000 shares reserved for
     issuance upon exercise of stock options pursuant to Non-Plan Option
     Agreements with five non-executive officer employees.  Shares issuable upon
     exercise of stock options under the Registrant's 1998 Equity Incentive Plan
     were originally registered on a Registration Statement on Form S-8 (File
     No. 333-46803) filed on February 24, 1998.  Shares available for issuance
     under the Registrant's 1998 Employee Stock Purchase Plan were originally
     registered on a Registration Statement on Form S-8 (File No. 333-45237)
     filed on January 30, 1998.
(2)  Estimated solely for the purpose of calculating the registration fee in
     accordance with Rule 457(c) under the Securities Act of 1933 and based upon
     an average of the high and low prices reported on the Nasdaq National
     Market on July 13, 1999.

================================================================================
<PAGE>

                                    PART II

               INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

Item 3.  Incorporation of Documents by Reference.
- ------   ---------------------------------------

          The following documents filed with the Securities and Exchange
Commission (the "Commission") are incorporated herein by reference:
                 ----------

     (a)  The Registrant's latest annual report on Form 10-K filed pursuant to
          Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended
          (the "Exchange Act"), which contains audited financial statements for
                ------------
          the Registrant's latest fiscal year.

     (b)  All other reports filed pursuant to Section 13(a) or 15(d) of the
          Exchange Act since the end of the fiscal year covered by the annual
          report referred to in (a) above.

     (c)  The description of the Registrant's Common Stock contained in the
          Registrant's registration statement on Form 8-A filed with the
          Commission under Section 12 of the Exchange Act, including any
          amendment or report filed for the purpose of updating such
          description.

          All documents subsequently filed by the Registrant pursuant to
Sections 13(a), 13(c), 14 and 15(d) of the Exchange Act, prior to the filing of
a post-effective amendment which indicates that all securities registered hereby
have been sold or which deregisters all securities then remaining unsold, shall
be deemed incorporated by reference herein and to be a part hereof from the date
of the filing of such documents.

Item 4.  Description of Securities.
- ------   -------------------------

          Not applicable.

Item 5.  Interests of Named Experts and Counsel.
- ------   --------------------------------------

          Not applicable.

Item 6.  Indemnification of Directors and Officers and Limitation of Liability.
- ------   ---------------------------------------------------------------------

          As permitted by Section 145 of the Delaware General Corporation Law,
the Registrant's Certificate of Incorporation includes a provision that
eliminates the personal liability of its directors to the Registrant or its
stockholders for monetary damages for breach of fiduciary duty as a director,
except for liability (i) for any breach of the director's duty of loyalty to the
corporation or its stockholders, (ii) for acts or omissions not in good faith or
that involve intentional misconduct or a knowing violation of law, (iii) under
Section 174 of the Delaware General Corporation Law (regarding unlawful
dividends and stock purchases) or (iv) for any transaction from which the
director derived an improper personal benefit.  In addition, as permitted by
Section 145 of the Delaware General Corporation Law, the Amended and Restated
Bylaws of the Registrant provide that:  (i) the Registrant is required to
indemnify its directors to the fullest extent permitted by the Delaware General
Corporation Law, subject to certain very limited exceptions; (ii) the Registrant
may, in its discretion, indemnify its other employees and agents to the extent
that it indemnifies its officers and directors, unless otherwise required by
law, its Certificate of Incorporation, its Amended and Restated Bylaws, or
agreement; (iii) the Registrant is required to advance expenses, as incurred, to
its directors and executive officers in connection with defending a legal
proceeding to the fullest extent permitted by the Delaware General Corporation
Law, subject to the certain very limited exceptions; and (iv) the rights
conferred in the Amended and Restated Bylaws are not exclusive.

          The Registrant has entered into Indemnification Agreements with each
of its current directors and executive officers to give such directors and
executive officers additional contractual assurances regarding the scope of the
indemnification set forth Registrant's Certificate of Incorporation and
<PAGE>

to provide additional procedural protections. At present, there is no pending
litigation or proceeding involving a director, officer or employee of the
Registrant regarding which indemnification is sought, nor is the Registrant
aware of any threatened litigation that may result in claims for
indemnification.

          The Registrant, with approval by the Registrant's Board of Directors,
has applied for, and expects to obtain, directors' and officers' liability
insurance.

Item 7.  Exemption From Registration Claimed
- ------   -----------------------------------

          Not applicable

Item 8.  Exhibits
- ------   --------

Exhibit No.              Description
- ----------               -----------


    4.01*   Third Amended and Restated Certificate of Incorporation of the
            Registrant (incorporated herein by reference to Exhibit 3.03 to the
            Registrant's Registration Statement on Form S-1 (File No. 333-40789)
            filed with the Commission and declared effective January 29, 1998).

    4.02*   Form of Amended And Restated Bylaws of the Registrant (incorporated
            herein by reference to Exhibit 3.05 to the Registrant's Registration
            Statement on Form S-1 (File No. 333-40789) filed with the Commission
            and declared effective January 29, 1998).

    4.03    Amendment to Third Amended and Restated Certificate of Incorporation
            of the Registrant.

    4.04    Registrant's 1998 Equity Incentive Plan.

    4.05    Registrant's 1998 Employee Stock Purchase Plan.

    4.06    Form of Non-Plan Stock Option for options granted to certain non-
            executive officer employees.

    5.01    Opinion of Fenwick & West LLP.

   23.01    Consent of Fenwick & West LLP (included in Exhibit 5.01).

   23.02    Consent of KPMG LLP.

   24.01    Power of Attorney (see page 4).


* These exhibits were previously filed with the Commission as indicated and are
incorporated herein by reference.
<PAGE>

Item 9.  Undertakings.
- ------   ------------

          The undersigned Registrant hereby undertakes:

     (1) To file, during any period in which offers or sales are being made, a
post-effective amendment to this Registration Statement:

          (i)  To include any prospectus required by Section 10(a)(3) of the
Securities Act;

          (ii)  To reflect in the prospectus any facts or events arising after
the effective date of the Registration Statement (or the most recent post-
effective amendment thereof) which, individually or in the aggregate, represent
a fundamental change in the information set forth in the Registration Statement.
Notwithstanding the foregoing, any increase or decrease in volume of securities
offered (if the total dollar value of securities offered would not exceed that
which was registered) and any deviation from the low or high end of the
estimated maximum offering range may be reflected in the form of prospectus
filed with the Commission pursuant to Rule 424(b) if, in the aggregate, the
changes in volume and price represent no more than a 20 percent change in the
maximum aggregate offering price set forth in the "Calculation of Registration
Fee" table in the effective registration statement.

          (iii)  To include any material information with respect to the plan of
distribution not previously disclosed in the Registration Statement or any
material change to such information in the Registration Statement.

     Provided, however, that paragraphs (1)(i) and (1)(ii) above do not apply if
     --------  -------
the Registration Statement is on Form S-3 or Form S-8 or Form F-3, and the
information required to be included in a post-effective amendment by those
paragraphs is contained in periodic reports filed by the Registrant pursuant to
Section 13 or Section 15(d) of the Exchange Act that are incorporated by
reference in the Registration Statement.

     (2) That, for the purpose of determining any liability under the Securities
Act, each such post-effective amendment shall be deemed to be a new registration
statement relating to the securities offered therein and the offering of such
securities at that time shall be deemed to be the initial bona fide offering
thereof.

     (3) To remove from registration by means of a post-effective amendment any
of the securities being registered that remain unsold at the termination of the
offering.

     The undersigned Registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act, each filing of the
Registrant's annual report pursuant to Section 13(a) or Section 15(d) of the
Exchange Act (and, where applicable, each filing of an employee benefit plan's
annual report pursuant to Section 15(d) of the Exchange Act) that is
incorporated by reference in the Registration Statement shall be deemed to be a
new registration statement relating to the securities offered therein, and the
offering of such securities at that time shall be deemed to be the initial bona
fide offering thereof.

     Insofar as indemnification for liabilities arising under the Securities Act
may be permitted to directors, officers and controlling persons of the
Registrant pursuant to the provisions discussed in Item 6 hereof, or otherwise,
the Registrant has been advised that in the opinion of the Commission such
indemnification is against public policy as expressed in the Securities Act and
is, therefore, unenforceable.  In the event that a claim for indemnification
against such liabilities (other than the payment by the Registrant of expenses
incurred or paid by a director, officer or controlling person of the Registrant
in the successful defense of any action, suit or proceeding) is asserted by such
director, officer or controlling person in connection with the securities being
registered hereby, the Registrant will, unless in the opinion of its counsel the
matter has been settled by controlling precedent, submit to a court of
appropriate jurisdiction the question whether such indemnification by it is
against public policy as expressed in the Securities Act and will be governed by
the final adjudication of such issue.
<PAGE>

                                   SIGNATURES

          Pursuant to the requirements of the Securities Act of 1933, the
Registrant certifies that it has reasonable grounds to believe that it meets all
of the requirements for filing on Form S-8 and has duly caused this Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Mountain View, State of California, on the 12th day
of July, 1999.

                                 VERISIGN, INC.

                                 By:   /s/ Stratton D. Sclavos
                                       -----------------------
                                       Stratton D. Sclavos
                                       President, Chief Executive Officer
                                       and Director

                               POWER OF ATTORNEY

          KNOW ALL MEN BY THESE PRESENTS that each individual whose signature
appears below constitutes and appoints Stratton D. Sclavos, Dana L. Evan and
Timothy Tomlinson, and each of them, his true and lawful attorneys-in-fact and
agents with full power of substitution, for him and in his name, place and
stead, in any and all capacities, to sign any and all amendments (including
post-effective amendments) to this Registration Statement on Form S-8, and to
file the same with all exhibits thereto and all documents in connection
therewith, with the Securities and Exchange Commission, granting unto said
attorneys-in-fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully to all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that said attorneys-in-
fact and agents or any of them, or his or their substitute or substitutes, may
lawfully do or cause to be done by virtue hereof.

          Pursuant to the requirements of the Securities Act of 1933, as
amended, this Registration Statement has been signed by the following persons in
the capacities and on the dates indicated.


            Signature                          Title                  Date
            ---------                          -----                  ----
Principal Executive Officer
 and Director:

/s/ Stratton D. Sclavos            President, Chief Executive     July 12, 1999
- ---------------------------------  Officer and Director
Stratton D. Sclavos


Principal Financial and
 Principal Accounting Officer:
                                   Vice President of Finance and
- ---------------------------------  Administration and
Dana L. Evan                       Chief Financial Officer        July 12, 1999


Additional Directors:

/s/ D. James Bidzos                Director                       July 12, 1999
- ---------------------------------
D. James Bidzos


/s/ William Chenevich              Director                       July 12, 1999
- ---------------------------------
William Chenevich


/s/ Kevin R. Compton               Director                       July 12, 1999
- ---------------------------------
Kevin R. Compton

                                   Director
- ---------------------------------                                 July 12, 1999
David J. Cowan



/s/ Tim Tomlinson                  Director                       July 12, 1999
- ---------------------------------
Timothy Tomlinson
<PAGE>

                                 EXHIBIT INDEX
                                 -------------

Exhibit No.             Description
- ----------              -----------

    4.01*   Third Amended and Restated Certificate of Incorporation of the
            Registrant (incorporated herein by reference to Exhibit 3.03 to the
            Registrant's Registration Statement on Form S-1 (File No. 333-40789)
            filed with the Commission and declared effective January 29, 1998).

    4.02*   Form of Amended And Restated Bylaws of the Registrant (incorporated
            herein by reference to Exhibit 3.05 to the Registrant's Registration
            Statement on Form S-1 (File No. 333-40789) filed with the Commission
            and declared effective January 29, 1998).

    4.03    Amendment to Third Amended and Restated Certificate of Incorporation
            of the Registrant.

    4.04    Registrant's 1998 Equity Incentive Plan.

    4.05    Registrant's 1998 Employee Stock Purchase Plan.

    4.06    Form of Non-Plan Stock Option for options granted to certain non-
            executive officer employees.

    5.01    Opinion of Fenwick & West LLP.

   23.01    Consent of Fenwick & West LLP (included in Exhibit 5.01).

   23.02    Consent of KPMG LLP.

   24.01    Power of Attorney (see page II-4).


* These exhibits were previously filed with the Commission as indicated and are
incorporated herein by reference.

<PAGE>

                                                                    EXHIBIT 4.03
                                                                    ------------


                                CERTIFICATE OF
                                   AMENDMENT
                                      OF
                          THIRD AMENDED AND RESTATED
                         CERTIFICATE OF INCORPORATION
                               OF VERISIGN, INC.

     VeriSign, Inc., a corporation organized and existing under the General
Corporation Law of the State of Delaware (the "Corporation"), whose original
                                               -----------
Certificate of Incorporation was filed in the Office of the Secretary of State
of the State of Delaware on April 12, 1995 under the name of Digital
Certificates International, Inc., subsequently amended on April 18, 1995 and
July 7, 1995, subsequently amended and restated on February 15, 1996,
subsequently amended on August 22, 1996, subsequently amended and restated on
November 14, 1996, subsequently amended on November 18, 1997 and January 27,
1998, and subsequently amended and restated on February 4, 1998 does hereby
certify:

     A resolution amending the Corporation's Third Amended and Restated
Certificate of Incorporation was approved by the Corporation's Board of
Directors and Stockholders, and that such amendment was adopted in accordance
with the provisions of Section 242 of the Delaware General Corporation Law:

     Paragraph A of Article Four is hereby amended in its entirety to read as
follows:

     FOUR: A.  The Corporation is authorized to issue two classes of stock to be
     designated, respectively, "Common Stock" and "Preferred Stock."  The total
     number of shares which the Corporation is authorized to issue is Two
     Hundred Five Million (205,000,000) shares.  Two Hundred Million
     (200,000,000) shares shall be Common Stock, $0.001 par value per share, and
     Five Million (5,000,000) shares shall be Preferred Stock, $0.001 par value
     per share.

     IN WITNESS WHEREOF, VeriSign, Inc. has caused this Certificate to be signed
and attested by its duly authorized officers this 27th day of May, 1999.

                                    VERISIGN, INC.

                                    By:  /s/ Stratton Sclavos
                                         --------------------
                                         Stratton Sclavos, President

     Attest:

     /s/ Tim Tomlinson
     -----------------
     Timothy Tomlinson, Secretary

<PAGE>

                                                                    Exhibit 4.04

                                 VERISIGN, INC.

                           1998 EQUITY INCENTIVE PLAN

                          As Adopted October 31, 1997
                       and Amended Effective May 27, 1999


         1.   PURPOSE.  The purpose of this Plan is to provide incentives to
              -------
attract, retain and motivate eligible persons whose present and potential
contributions are important to the success of the Company, its Parent and
Subsidiaries, by offering them an opportunity to participate in the Company's
future performance through awards of Options, Restricted Stock and Stock
Bonuses.  Capitalized terms not defined in the text are defined in Section 23.

         2.   SHARES SUBJECT TO THE PLAN.
              --------------------------

              2.1    Number of Shares Available.  Subject to Sections 2.2 and
                     --------------------------
18, the total number of Shares reserved and available for grant and issuance
pursuant to this Plan will be 8,000,000 Shares. Subject to Sections 2.2 and 18,
Shares that: (a) are subject to issuance upon exercise of an Option but cease to
be subject to such Option for any reason other than exercise of such Option; (b)
are subject to an Award granted hereunder but are forfeited or are repurchased
by the Company at the original issue price; or (c) are subject to an Award that
otherwise terminates without Shares being issued, will again be available for
grant and issuance in connection with future Awards under this Plan. Any
authorized shares not issued or subject to outstanding grants under the
Company's 1997 Stock Option Plan and the Company's 1995 Stock Option Plan (the
"Prior Plans") on the Effective Date (as defined below) and any shares that are
issuable upon exercise of options granted pursuant to the Prior Plans that
expire or become unexercisable for any reason without having been exercised in
full, will no longer be available for grant and issuance under the Prior Plans,
but will be available for grant and issuance under this Plan. In addition, any
shares issued under the Prior Plans which are repurchased or forfeited will be
available for grant and issuance under this Plan. At all times the Company shall
reserve and keep available a sufficient number of Shares as shall be required to
satisfy the requirements of all outstanding Options granted under this Plan and
all other outstanding but unvested Awards granted under this Plan.

              2.2    Adjustment of Shares.  In the event that the number of
                     --------------------
outstanding shares is changed by a stock dividend, recapitalization, stock
split, reverse stock split, subdivision, combination, reclassification or
similar change in the capital structure of the Company without consideration,
then (a) the number of Shares reserved for issuance under this Plan, (b) the
Exercise Prices of and number of Shares subject to outstanding Options, and (c)
the number of Shares subject to other outstanding Awards will be proportionately
adjusted, subject to any required action by the Board or the stockholders of the
Company and compliance with applicable securities laws; provided, however, that
                                                        --------  -------
fractions of a Share will not be issued but will either be replaced by a cash
payment equal to the Fair Market Value of such fraction of a Share or will be
rounded up to the nearest whole Share, as determined by the Committee.

         3.   ELIGIBILITY.  ISOs (as defined in Section 5 below) may be granted
              -----------
only to employees (including officers and directors who are also employees) of
the Company or of a Parent or Subsidiary of the Company.  All other Awards may
be granted to employees, officers, directors, consultants, independent
contractors and advisors of the Company or any Parent or Subsidiary of the
Company; provided such consultants, contractors and advisors render bona fide
         --------
services not in connection with the offer and sale of securities in a capital-
raising transaction.  No person will be eligible to receive more than 800,000
Shares in any calendar year under this Plan pursuant to the grant of Awards
hereunder, other than new employees of the Company or of a Parent or Subsidiary
of the Company (including new employees who are also officers and directors of
the Company or any Parent or Subsidiary of the Company), who are eligible to
receive up to a maximum of 2,000,000 Shares in the calendar year in which they
commence their employment.  A person may be granted more than one Award under
this Plan.

         4.   ADMINISTRATION.
              --------------
<PAGE>

              4.1    Committee Authority.  This Plan will be administered by
                     -------------------
the Committee or by the Board acting as the Committee. Subject to the general
purposes, terms and conditions of this Plan, and to the direction of the Board,
the Committee will have full power to implement and carry out this Plan. Without
limitation, the Committee will have the authority to:

         (a)  construe and interpret this Plan, any Award Agreement and any
              other agreement or document executed pursuant to this Plan;

         (b)  prescribe, amend and rescind rules and regulations relating to
              this Plan or any Award;

         (c)  select persons to receive Awards;

         (d)  determine the form and terms of Awards;

         (e)  determine the number of Shares or other consideration subject to
              Awards;

         (f)  determine whether Awards will be granted singly, in combination
              with, in tandem with, in replacement of, or as alternatives to,
              other Awards under this Plan or any other incentive or
              compensation plan of the Company or any Parent or Subsidiary of
              the Company;

         (g)  grant waivers of Plan or Award conditions;

         (h)  determine the vesting, exercisability and payment of Awards;

         (i)  correct any defect, supply any omission or reconcile any
              inconsistency in this Plan, any Award or any Award Agreement;

         (j)  determine whether an Award has been earned; and

         (k)  make all other determinations necessary or advisable for the
              administration of this Plan.

              4.2    Committee Discretion.  Any determination made by the
                     --------------------
Committee with respect to any Award will be made in its sole discretion at the
time of grant of the Award or, unless in contravention of any express term of
this Plan or Award, at any later time, and such determination will be final and
binding on the Company and on all persons having an interest in any Award under
this Plan.  The Committee may delegate to one or more officers of the Company
the authority to grant an Award under this Plan to Participants who are not
Insiders of the Company.

         5.   OPTIONS.  The Committee may grant Options to eligible persons and
              -------
will determine whether such Options will be Incentive Stock Options within the
meaning of the Code ("ISO") or Nonqualified Stock Options ("NQSOs"), the number
of Shares subject to the Option, the Exercise Price of the Option, the period
during which the Option may be exercised, and all other terms and conditions of
the Option, subject to the following:

              5.1    Form of Option Grant.  Each Option granted under this
                     --------------------
Plan will be evidenced by an Award Agreement which will expressly identify the
Option as an ISO or an NQSO ("Stock Option Agreement"), and will be in such form
and contain such provisions (which need not be the same for each Participant) as
the Committee may from time to time approve, and which will comply with and be
subject to the terms and conditions of this Plan.

              5.2    Date of Grant.  The date of grant of an Option will be
                     -------------
the date on which the Committee makes the determination to grant such Option,
unless otherwise specified by the Committee. The Stock Option Agreement and a
copy of this Plan will be delivered to the Participant within a reasonable time
after the granting of the Option.

              5.3    Exercise Period.  Options may be exercisable within the
                     ---------------
times or upon the events determined by the Committee as set forth in the Stock
Option Agreement governing such Option; provided,
                                        --------

                                      -2-
<PAGE>

however, that no Option will be exercisable after the expiration of ten (10)
- -------
years from the date the Option is granted; and provided further that no ISO
                                               -------- -------
granted to a person who directly or by attribution owns more than ten percent
(10%) of the total combined voting power of all classes of stock of the Company
or of any Parent or Subsidiary of the Company ("Ten Percent Stockholder") will
be exercisable after the expiration of five (5) years from the date the ISO is
granted. The Committee also may provide for Options to become exercisable at one
time or from time to time, periodically or otherwise, in such number of Shares
or percentage of Shares as the Committee determines.

              5.4     Exercise Price.  The Exercise Price of an Option will be
                      --------------
determined by the Committee when the Option is granted and may be not less than
85% of the Fair Market Value of the Shares on the date of grant; provided that:
(i) the Exercise Price of an ISO will be not less than 100% of the Fair Market
Value of the Shares on the date of grant; and (ii) the Exercise Price of any ISO
granted to a Ten Percent Stockholder will not be less than 110% of the Fair
Market Value of the Shares on the date of grant.  Payment for the Shares
purchased may be made in accordance with Section 8 of this Plan.

              5.5     Method of Exercise.  Options may be exercised only by
                      ------------------
delivery to the Company of a written stock option exercise agreement  (the
"Exercise Agreement") in a form approved by the Committee (which need not be the
same for each Participant), stating the number of Shares being purchased, the
restrictions imposed on the Shares purchased under such Exercise Agreement, if
any, and such representations and agreements regarding Participant's investment
intent and access to information and other matters, if any, as may be required
or desirable by the Company to comply with applicable securities laws, together
with payment in full of the Exercise Price for the number of Shares being
purchased.

              5.6     Termination.  Notwithstanding the exercise periods set
                      -----------
forth in the Stock Option Agreement, exercise of an Option will always be
subject to the following:

         (a)  If the Participant is Terminated for any reason except death or
              Disability, then the Participant may exercise such Participant's
              Options only to the extent that such Options would have been
              exercisable upon the Termination Date no later than three (3)
              months after the Termination Date (or such shorter or longer time
              period not exceeding five (5) years as may be determined by the
              Committee, with any exercise beyond three (3) months after the
              Termination Date deemed to be an NQSO), but in any event, no later
              than the expiration date of the Options.

         (b)  If the Participant is Terminated because of Participant's death or
              Disability (or the Participant dies within three (3) months after
              a Termination other than because of Participant's death or
              disability), then Participant's Options may be exercised only to
              the extent that such Options would have been exercisable by
              Participant on the Termination Date and must be exercised by
              Participant (or Participant's legal representative or authorized
              assignee) no later than twelve (12) months after the Termination
              Date (or such shorter or longer time period not exceeding five (5)
              years as may be determined by the Committee, with any such
              exercise beyond (a) three (3) months after the Termination Date
              when the Termination is for any reason other than the
              Participant's death or Disability, or (b) twelve (12) months after
              the Termination Date when the Termination is for Participant's
              death or Disability, deemed to be an NQSO), but in any event no
              later than the expiration date of the Options.

         (c)  Notwithstanding the provisions in paragraph 5.6(a) above, if a
              Participant is terminated for Cause, neither the Participant, the
              Participant's estate nor such other person who may then hold the
              Option shall be entitled to exercise any Option with respect to
              any Shares whatsoever, after termination of service, whether or
              not after termination of service the Participant may receive
              payment from the Company or Subsidiary for vacation pay, for
              services rendered prior to termination, for services rendered for
              the day on which termination occurs, for salary in lieu of notice,
              or for any other benefits.  In making such determination, the
              Board shall give the Participant an opportunity to present to the
              Board evidence on his behalf.  For the purpose of this paragraph,
              termination of service shall be deemed to occur on the date when
              the Company dispatches notice or advice to the Participant that
              his service is terminated.

                                      -3-
<PAGE>

              5.7      Limitations on Exercise.  The Committee may specify a
                       -----------------------
reasonable minimum number of Shares that may be purchased on any exercise of an
Option, provided that such minimum number will not prevent Participant from
exercising the Option for the full number of Shares for which it is then
exercisable.


              5.8      Limitations on ISO.  The aggregate Fair Market Value
                       ------------------
(determined as of the date of grant) of Shares with respect to which ISO are
exercisable for the first time by a Participant during any calendar year (under
this Plan or under any other incentive stock option plan of the Company, Parent
or Subsidiary of the Company) will not exceed $100,000.  If the Fair Market
Value of Shares on the date of grant with respect to which ISO are exercisable
for the first time by a Participant during any calendar year exceeds $100,000,
then the Options for the first $100,000 worth of Shares to become exercisable in
such calendar year will be ISO and the Options for the amount in excess of
$100,000 that become exercisable in that calendar year will be NQSOs.  In the
event that the Code or the regulations promulgated thereunder are amended after
the Effective Date of this Plan to provide for a different limit on the Fair
Market Value of Shares permitted to be subject to ISO, such different limit will
be automatically incorporated herein and will apply to any Options granted after
the effective date of such amendment.

              5.9      Modification, Extension or Renewal.  The Committee may
                       ----------------------------------
modify, extend or renew outstanding Options and authorize the grant of new
Options in substitution therefor, provided that any such action may not, without
the written consent of a Participant, impair any of such Participant's rights
under any Option previously granted.  Any outstanding ISO that is modified,
extended, renewed or otherwise altered will be treated in accordance with
Section 424(h) of the Code.  The Committee may reduce the Exercise Price of
outstanding Options without the consent of Participants affected by a written
notice to them; provided, however, that the Exercise Price may not be reduced
                --------  -------
below the minimum Exercise Price that would be permitted under Section 5.4 of
this Plan for Options granted on the date the action is taken to reduce the
Exercise Price.

              5.10     No Disqualification.  Notwithstanding any other provision
                       -------------------
in this Plan, no term of this Plan relating to ISO will be interpreted, amended
or altered, nor will any discretion or authority granted under this Plan be
exercised, so as to disqualify this Plan under Section 422 of the Code or,
without the consent of the Participant affected, to disqualify any ISO under
Section 422 of the Code.

         6.   RESTRICTED STOCK.  A Restricted Stock Award is an offer by the
              ----------------
Company to sell to an eligible person Shares that are subject to restrictions.
The Committee will determine to whom an offer will be made, the number of Shares
the person may purchase, the price to be paid (the "Purchase Price"), the
restrictions to which the Shares will be subject, and all other terms and
conditions of the Restricted Stock Award, subject to the following:

              6.1      Form of Restricted Stock Award.  All purchases under a
                       ------------------------------
Restricted Stock Award made pursuant to this Plan will be evidenced by an Award
Agreement ("Restricted Stock Purchase Agreement") that will be in such form
(which need not be the same for each Participant) as the Committee will from
time to time approve, and will comply with and be subject to the terms and
conditions of this Plan.  The offer of Restricted Stock will be accepted by the
Participant's execution and delivery of the Restricted Stock Purchase Agreement
and full payment for the Shares to the Company within thirty (30) days from the
date the Restricted Stock Purchase Agreement is delivered to the person.  If
such person does not execute and deliver the Restricted Stock Purchase Agreement
along with full payment for the Shares to the Company within thirty (30) days,
then the offer will terminate, unless otherwise determined by the Committee.

              6.2      Purchase Price.  The Purchase Price of Shares sold
                       --------------
pursuant to a Restricted Stock Award will be determined by the Committee on the
date the Restricted Stock Award is granted, except in the case of a sale to a
Ten Percent Stockholder, in which case the Purchase Price will be 100% of the
Fair Market Value. Payment of the Purchase Price may be made in accordance with
Section 8 of this Plan.

              6.3      Terms of Restricted Stock Awards.  Restricted Stock
                       --------------------------------
Awards shall be subject to such restrictions as the Committee may impose. These
restrictions may be based upon completion of a specified number of years of
service with the Company or upon completion of the performance goals as set out
in advance in the Participant's individual Restricted Stock Purchase Agreement.
Restricted Stock Awards may vary from Participant to Participant and between
groups of Participants. Prior to the grant of a Restricted Stock Award, the
Committee shall: (a) determine the nature, length and starting date of any
Performance Period for the Restricted Stock Award; (b) select from among the
Performance Factors to be used to measure performance goals, if any; and (c)

                                      -4-
<PAGE>

determine the number of Shares that may be awarded to the Participant. Prior to
the payment of any Restricted Stock Award, the Committee shall determine the
extent to which such Restricted Stock Award has been earned. Performance Periods
may overlap and Participants may participate simultaneously with respect to
Restricted Stock Awards that are subject to different Performance Periods and
having different performance goals and other criteria.

              6.4      Termination During Performance Period.  If a Participant
                       -------------------------------------
is Terminated during a Performance Period for any reason, then such Participant
will be entitled to payment (whether in Shares, cash or otherwise) with respect
to the Restricted Stock Award only to the extent earned as of the date of
Termination in accordance with the Restricted Stock Purchase Agreement, unless
the Committee will determine otherwise.

         7.   STOCK BONUSES.
              -------------

              7.1      Awards of Stock Bonuses.  A Stock Bonus is an award of
                       -----------------------
Shares (which may consist of Restricted Stock) for services rendered to the
Company or any Parent or Subsidiary of the Company. A Stock Bonus may be awarded
for past services already rendered to the Company, or any Parent or Subsidiary
of the Company pursuant to an Award Agreement (the "Stock Bonus Agreement") that
will be in such form (which need not be the same for each Participant) as the
Committee will from time to time approve, and will comply with and be subject to
the terms and conditions of this Plan. A Stock Bonus may be awarded upon
satisfaction of such performance goals as are set out in advance in the
Participant's individual Award Agreement (the "Performance Stock Bonus
Agreement") that will be in such form (which need not be the same for each
Participant) as the Committee will from time to time approve, and will comply
with and be subject to the terms and conditions of this Plan. Stock Bonuses may
vary from Participant to Participant and between groups of Participants, and may
be based upon the achievement of the Company, Parent or Subsidiary and/or
individual performance factors or upon such other criteria as the Committee may
determine.

              7.2      Terms of Stock Bonuses.  The Committee will determine the
                       ----------------------
number of Shares to be awarded to the Participant.  If the Stock Bonus is being
earned upon the satisfaction of performance goals pursuant to a Performance
Stock Bonus Agreement, then the Committee will: (a)  determine the nature,
length and starting date of any Performance Period for each Stock Bonus; (b)
select from among the Performance Factors to be used to measure the performance,
if any; and (c) determine the number of Shares that may be awarded to the
Participant.  Prior to the payment of any Stock Bonus, the Committee shall
determine the extent to which such Stock Bonuses have been earned.  Performance
Periods may overlap and Participants may participate simultaneously with respect
to Stock Bonuses that are subject to different Performance Periods and different
performance goals and other criteria.  The number of Shares may be fixed or may
vary in accordance with such performance goals and criteria as may be determined
by the Committee.  The Committee may adjust the performance goals applicable to
the Stock Bonuses to take into account changes in law and accounting or tax
rules and to make such adjustments as the Committee deems necessary or
appropriate to reflect the impact of extraordinary or unusual items, events or
circumstances to avoid windfalls or hardships.

              7.3      Form of Payment.  The earned portion of a Stock Bonus may
                       ---------------
be paid currently or on a deferred basis with such interest or dividend
equivalent, if any, as the Committee may determine. Payment may be made in the
form of cash or whole Shares or a combination thereof, either in a lump sum
payment or in installments, all as the Committee will determine.

         8.   PAYMENT FOR SHARE PURCHASES.
              ---------------------------

              8.1      Payment.  Payment for Shares purchased pursuant to this
                       -------
Plan may be made in cash (by check) or, where expressly approved for the
Participant by the Committee and where permitted by law:

         (a)  by cancellation of indebtedness of the Company to the Participant;

         (b)  by surrender of shares that either:  (1) have been owned by
              Participant for more than six (6) months and have been paid for
              within the meaning of SEC Rule 144 (and, if such shares were
              purchased from the Company by use of a promissory note, such note
              has been fully paid with respect to such shares); or (2) were
              obtained by Participant in the public market;

                                      -5-
<PAGE>

         (c)  by tender of a full recourse promissory note having such terms as
              may be approved by the Committee and bearing interest at a rate
              sufficient to avoid imputation of income under Sections 483 and
              1274 of the Code; provided, however, that Participants who are not
                                --------  -------
              employees or directors of the Company will not be entitled to
              purchase Shares with a promissory note unless the note is
              adequately secured by collateral other than the Shares;

         (d)  by waiver of compensation due or accrued to the Participant for
              services rendered;

         (e)  with respect only to purchases upon exercise of an Option, and
              provided that a public market for the Company's stock exists:

              (1)  through a "same day sale" commitment from the Participant and
                   a broker-dealer that is a member of the National Association
                   of Securities Dealers (an "NASD Dealer") whereby the
                   Participant irrevocably elects to exercise the Option and to
                   sell a portion of the Shares so purchased to pay for the
                   Exercise Price, and whereby the NASD Dealer irrevocably
                   commits upon receipt of such Shares to forward the Exercise
                   Price directly to the Company; or

              (2)  through a "margin" commitment from the Participant and a NASD
                   Dealer whereby the Participant irrevocably elects to exercise
                   the Option and to pledge the Shares so purchased to the NASD
                   Dealer in a margin account as security for a loan from the
                   NASD Dealer in the amount of the Exercise Price, and whereby
                   the NASD Dealer irrevocably commits upon receipt of such
                   Shares to forward the Exercise Price directly to the Company;
                   or

         (f)  by any combination of the foregoing.

              8.2      Loan Guarantees.  The Committee may help the Participant
                       ---------------
pay for Shares purchased under this Plan by authorizing a guarantee by the
Company of a third-party loan to the Participant.

         9.   WITHHOLDING TAXES.
              -----------------

              9.1      Withholding Generally.  Whenever Shares are to be issued
                       ---------------------
in satisfaction of Awards granted under this Plan, the Company may require the
Participant to remit to the Company an amount sufficient to satisfy federal,
state and local withholding tax requirements prior to the delivery of any
certificate or certificates for such Shares. Whenever, under this Plan, payments
in satisfaction of Awards are to be made in cash, such payment will be net of an
amount sufficient to satisfy federal, state, and local withholding tax
requirements.

              9.2      Stock Withholding.  When, under applicable tax laws, a
                       -----------------
Participant incurs tax liability in connection with the exercise or vesting of
any Award that is subject to tax withholding and the Participant is obligated to
pay the Company the amount required to be withheld, the Committee may in its
sole discretion allow the Participant to satisfy the minimum withholding tax
obligation by electing to have the Company withhold from the Shares to be issued
that number of Shares having a Fair Market Value equal to the minimum amount
required to be withheld, determined on the date that the amount of tax to be
withheld is to be determined.  All elections by a Participant to have Shares
withheld for this purpose will be made in accordance with the requirements
established by the Committee and be in writing in a form acceptable to the
Committee.

         10.  PRIVILEGES OF STOCK OWNERSHIP.
              -----------------------------

              10.1     Voting and Dividends.  No Participant will have any of
                       --------------------
the rights of a stockholder with respect to any Shares until the Shares are
issued to the Participant. After Shares are issued to the Participant, the
Participant will be a stockholder and have all the rights of a stockholder with
respect to such Shares, including the right to vote and receive all dividends or
other distributions made or paid with respect to such Shares; provided, that if
                                                              --------
such Shares are Restricted Stock, then any new, additional or different
securities the Participant may become entitled to receive with respect to such
Shares by virtue of a stock dividend, stock split or any other change in the
corporate or capital structure of the Company will be subject to the same
restrictions as the Restricted Stock; provided, further, that the Participant
                                      --------  -------
will have no right to retain such stock dividends or stock distributions

                                      -6-
<PAGE>

with respect to Shares that are repurchased at the Participant's Purchase Price
or Exercise Price pursuant to Section 12.

              10.2      Financial Statements.  The Company will provide
                        --------------------
financial statements to each Participant prior to such Participant's purchase of
Shares under this Plan, and to each Participant annually during the period such
Participant has Awards outstanding; provided, however, the Company will not be
required to provide such financial statements to Participants whose services in
connection with the Company assure them access to equivalent information.

         11.  TRANSFERABILITY.  Awards granted under this Plan, and any interest
              ---------------
therein, will not be transferable or assignable by Participant, and may not be
made subject to execution, attachment or similar process, otherwise than by will
or by the laws of descent and distribution or as determined by the Committee and
set forth in the Award Agreement with respect to Awards that are not ISOs.
During the lifetime of the Participant an Award will be exercisable only by the
Participant, and any elections with respect to an Award may be made only by the
Participant unless otherwise determined by the Committee and set forth in the
Award Agreement with respect to Awards that are not ISOs.

         12.  RESTRICTIONS ON SHARES.  At the discretion of the Committee, the
              ----------------------
Company may reserve to itself and/or its assignee(s) in the Award Agreement a
right to repurchase a portion of or all Unvested Shares held by a Participant
following such Participant's Termination at any time within ninety (90) days
after the later of Participant's Termination Date and the date Participant
purchases Shares under this Plan, for cash and/or cancellation of purchase money
indebtedness, at the Participant's Exercise Price or Purchase Price, as the case
may be.

         13.  CERTIFICATES.  All certificates for Shares or other securities
              ------------
delivered under this Plan will be subject to such stock transfer orders, legends
and other restrictions as the Committee may deem necessary or advisable,
including restrictions under any applicable federal, state or foreign securities
law, or any rules, regulations and other requirements of the SEC or any stock
exchange or automated quotation system upon which the Shares may be listed or
quoted.

         14.  ESCROW; PLEDGE OF SHARES.  To enforce any restrictions on a
              ------------------------
Participant's Shares, the Committee may require the Participant to deposit all
certificates representing Shares, together with stock powers or other
instruments of transfer approved by the Committee, appropriately endorsed in
blank, with the Company or an agent designated by the Company to hold in escrow
until such restrictions have lapsed or terminated, and the Committee may cause a
legend or legends referencing such restrictions to be placed on the
certificates.  Any Participant who is permitted to execute a promissory note as
partial or full consideration for the purchase of Shares under this Plan will be
required to pledge and deposit with the Company all or part of the Shares so
purchased as collateral to secure the payment of Participant's obligation to the
Company under the promissory note; provided, however, that the Committee may
                                   --------  -------
require or accept other or additional forms of collateral to secure the payment
of such obligation and, in any event, the Company will have full recourse
against the Participant under the promissory note notwithstanding any pledge of
the Participant's Shares or other collateral.  In connection with any pledge of
the Shares, Participant will be required to execute and deliver a written pledge
agreement in such form as the Committee will from time to time approve.  The
Shares purchased with the promissory note may be released from the pledge on a
pro rata basis as the promissory note is paid.

         15.  EXCHANGE AND BUYOUT OF AWARDS.  The Committee may, at any time or
              -----------------------------
from time to time, authorize the Company, with the consent of the respective
Participants, to issue new Awards in exchange for the surrender and cancellation
of any or all outstanding Awards.  The Committee may at any time buy from a
Participant an Award previously granted with payment in cash, Shares (including
Restricted Stock) or other consideration, based on such terms and conditions as
the Committee and the Participant may agree.

         16.  SECURITIES LAW AND OTHER REGULATORY COMPLIANCE.  An Award will not
              ----------------------------------------------
be effective unless such Award is in compliance with all applicable federal and
state securities laws, rules and regulations of any governmental body, and the
requirements of any stock exchange or automated quotation system upon which the
Shares may then be listed or quoted, as they are in effect on the date of grant
of the Award and also on the date of exercise or other issuance.
Notwithstanding any other provision in this Plan, the Company will have no
obligation to issue or deliver certificates for Shares under this Plan prior to:
(a) obtaining any approvals from

                                      -7-
<PAGE>

governmental agencies that the Company determines are necessary or advisable;
and/or (b) completion of any registration or other qualification of such Shares
under any state or federal law or ruling of any governmental body that the
Company determines to be necessary or advisable. The Company will be under no
obligation to register the Shares with the SEC or to effect compliance with the
registration, qualification or listing requirements of any state securities
laws, stock exchange or automated quotation system, and the Company will have no
liability for any inability or failure to do so.

         17.  NO OBLIGATION TO EMPLOY.  Nothing in this Plan or any Award
              -----------------------
granted under this Plan will confer or be deemed to confer on any Participant
any right to continue in the employ of, or to continue any other relationship
with, the Company or any Parent or Subsidiary of the Company or limit in any way
the right of the Company or any Parent or Subsidiary of the Company to terminate
Participant's employment or other relationship at any time, with or without
cause.

         18.  CORPORATE TRANSACTIONS.
              ----------------------

              18.1      Assumption or Replacement of Awards by Successor.  In
                        ------------------------------------------------
the event of (a) a dissolution or liquidation of the Company, (b) a merger or
consolidation in which the Company is not the surviving corporation (other than
a merger or consolidation with a wholly-owned subsidiary, a reincorporation of
the Company in a different jurisdiction, or other transaction in which there is
no substantial change in the stockholders of the Company or their relative stock
holdings and the Awards granted under this Plan are assumed, converted or
replaced by the successor corporation, which assumption will be binding on all
Participants), (c) a merger in which the Company is the surviving corporation
but after which the stockholders of the Company immediately prior to such merger
(other than any stockholder that merges, or which owns or controls another
corporation that merges, with the Company in such merger) cease to own their
shares or other equity interest in the Company, (d) the sale of substantially
all of the assets of the Company, or (e) the acquisition, sale, or transfer of
more than 50% of the outstanding shares of the Company by tender offer or
similar transaction, any or all outstanding Awards may be assumed, converted or
replaced by the successor corporation (if any), which assumption, conversion or
replacement will be binding on all Participants. In the alternative, the
successor corporation may substitute equivalent Awards or provide substantially
similar consideration to Participants as was provided to stockholders (after
taking into account the existing provisions of the Awards). The successor
corporation may also issue, in place of outstanding Shares of the Company held
by the Participant, substantially similar shares or other property subject to
repurchase restrictions no less favorable to the Participant. In the event such
successor corporation (if any) refuses to assume or substitute Awards, as
provided above, pursuant to a transaction described in this Subsection 18.1,
such Awards will expire on such transaction at such time and on such conditions
as the Committee will determine; provided, however, that the Committee may, in
                                 --------  -------
its sole discretion, provide that the vesting of any or all Awards granted
pursuant to this Plan will accelerate. If the Committee exercises such
discretion with respect to Options, such Options will become exercisable in full
prior to the consummation of such event at such time and on such conditions as
the Committee determines, and if such Options are not exercised prior to the
consummation of the corporate transaction, they shall terminate at such time as
determined by the Committee.

              18.2      Other Treatment of Awards.  Subject to any greater
                        -------------------------
rights granted to Participants under the foregoing provisions of this Section
18, in the event of the occurrence of any transaction described in Section 18.1,
any outstanding Awards will be treated as provided in the applicable agreement
or plan of merger, consolidation, dissolution, liquidation, or sale of assets.

              18.3      Assumption of Awards by the Company.  The Company, from
                        -----------------------------------
time to time, also may substitute or assume outstanding awards granted by
another company, whether in connection with an acquisition of such other company
or otherwise, by either; (a) granting an Award under this Plan in substitution
of such other company's award; or (b) assuming such award as if it had been
granted under this Plan if the terms of such assumed award could be applied to
an Award granted under this Plan. Such substitution or assumption will be
permissible if the holder of the substituted or assumed award would have been
eligible to be granted an Award under this Plan if the other company had applied
the rules of this Plan to such grant. In the event the Company assumes an award
granted by another company, the terms and conditions of such award will remain
unchanged (except that the exercise price and the number and nature of Shares
           ------
issuable upon exercise of any such option will be adjusted appropriately
pursuant to Section 424(a) of the Code). In the event the Company elects to
grant a new Option rather than assuming an existing option, such new Option may
be granted with a similarly adjusted Exercise Price.

                                      -8-
<PAGE>

         19.  ADOPTION AND STOCKHOLDER APPROVAL.  This Plan will become
              ---------------------------------
effective on the date on which the registration statement filed by the Company
with the SEC under the Securities Act registering the initial public offering of
the Company's Common Stock is declared effective by the SEC (the "Effective
Date").  This Plan shall be approved by the stockholders of the Company
(excluding Shares issued pursuant to this Plan), consistent with applicable
laws, within twelve (12) months before or after the date this Plan is adopted by
the Board.  Upon the Effective Date, the Committee may grant Awards pursuant to
this Plan; provided, however, that: (a) no Option may be exercised prior to
           --------  -------
initial stockholder approval of this Plan; (b) no Option granted pursuant to an
increase in the number of Shares subject to this Plan approved by the Board will
be exercised prior to the time such increase has been approved by the
stockholders of the Company; and (c) in the event that stockholder approval of
such increase is not obtained within the time period provided herein, all Awards
granted pursuant to such increase will be canceled, any Shares issued pursuant
to any Award granted pursuant to such increase will be canceled, and any
purchase of Shares pursuant to such increase will be rescinded.

         20.  TERM OF PLAN/GOVERNING LAW.  Unless earlier terminated as provided
              --------------------------
herein, this Plan will terminate ten (10) years from the date this Plan is
adopted by the Board or, if earlier, the date of stockholder approval.  This
Plan and all agreements thereunder shall be governed by and construed in
accordance with the laws of the State of California.

         21.  AMENDMENT OR TERMINATION OF PLAN.  The Board may at any time
              --------------------------------
terminate or amend this Plan in any respect, including without limitation
amendment of any form of Award Agreement or instrument to be executed pursuant
to this Plan; provided, however, that the Board will not, without the approval
              --------  -------
of the stockholders of the Company, amend this Plan in any manner that requires
such stockholder approval.

         22.  NONEXCLUSIVITY OF THE PLAN.  Neither the adoption of this Plan by
              --------------------------
the Board, the submission of this Plan to the stockholders of the Company for
approval, nor any provision of this Plan will be construed as creating any
limitations on the power of the Board to adopt such additional compensation
arrangements as it may deem desirable, including, without limitation, the
granting of stock options and bonuses otherwise than under this Plan, and such
arrangements may be either generally applicable or applicable only in specific
cases.

         23.  DEFINITIONS.  As used in this Plan, the following terms will have
              -----------
the following meanings:

              "Award" means any award under this Plan, including any Option,
Restricted Stock or Stock Bonus.

              "Award Agreement" means, with respect to each Award, the signed
written agreement between the Company and the Participant setting forth the
terms and conditions of the Award.

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

              "Cause" means the commission of an act of theft, embezzlement,
fraud, dishonesty or a breach of fiduciary duty to the Company or a Parent or
Subsidiary of the Company.

              "Code" means the Internal Revenue Code of 1986, as amended.

              "Committee" means the Compensation Committee of the Board.

              "Company" means VeriSign, Inc. or any successor corporation.

              "Disability" means a disability, whether temporary or permanent,
partial or total, within the meaning of Section 22(e)(3) of the Code, as
determined by the Committee.

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

              "Exercise Price" means the price at which a holder of an Option
may purchase the Shares issuable upon exercise of the Option.

                                      -9-
<PAGE>

              "Fair Market Value" means, as of any date, the value of a share of
the Company's  Common Stock determined as follows:

         (a)  if such Common Stock is then quoted on the Nasdaq National Market,
              its closing price on the Nasdaq National Market on the date of
              determination as reported in The Wall Street Journal;
                                           -----------------------

         (b)  if such Common Stock is publicly traded and is then listed on a
              national securities exchange, its closing price on the date of
              determination on the principal national securities exchange on
              which the Common Stock is listed or admitted to trading as
              reported in The Wall Street Journal;
                          -----------------------

         (c)  if such Common Stock is publicly traded but is not quoted on the
              Nasdaq National Market nor listed or admitted to trading on a
              national securities exchange, the average of the closing bid and
              asked prices on the date of determination as reported in The Wall
                                                                       --------
              Street Journal;
              --------------

         (d)  in the case of an Award made on the Effective Date, the price per
              share at which shares of the Company's Common Stock are initially
              offered for sale to the public by the Company's underwriters in
              the initial public offering of the Company's Common Stock pursuant
              to a registration statement filed with the SEC under the
              Securities Act; or

         (d)  if none of the foregoing is applicable, by the Committee in good
              faith.

              "Insider" means an officer or director of the Company or any other
person whose transactions in the Company's Common Stock are subject to Section
16 of the Exchange Act.

              "Option" means an award of an option to purchase Shares pursuant
to Section 5.

               "Parent" means any corporation (other than the Company) in an
unbroken chain of corporations ending with the Company if each of such
corporations other than the Company owns stock possessing 50% or more of the
total combined voting power of all classes of stock in one of the other
corporations in such chain.

              "Participant" means a person who receives an Award under this
Plan.

               "Performance Factors" means the factors selected by the Committee
from among the following measures to determine whether the performance goals
established by the Committee and applicable to Awards have been satisfied:

              (a)   Net revenue and/or net revenue growth;

              (b)   Earnings before income taxes and amortization and/or
                    earnings before income taxes and amortization growth;

              (c)   Operating income and/or operating income growth;

              (d)   Net income and/or net income growth;

              (e)   Earnings per share and/or earnings per share growth;

              (f)   Total shareholder return and/or total shareholder return
                    growth;

              (g)   Return on equity;

              (h)   Operating cash flow return on income;

                                      -10-
<PAGE>

              (i)   Adjusted operating cash flow return on income;

              (j)   Economic value added; and

              (k)   Individual confidential business objectives.

              "Performance Period" means the period of service determined by the
Committee, not to exceed five years, during which years of service or
performance is to be measured for Restricted Stock Awards or Stock Bonuses.

              "Plan" means this VeriSign, Inc. 1998 Equity Incentive Plan, as
amended from time to time.

              "Restricted Stock Award" means an award of Shares pursuant to
Section 6.

              "SEC" means the Securities and Exchange Commission.

              "Securities Act" means the Securities Act of 1933, as amended.

              "Shares" means shares of the Company's Common Stock reserved for
issuance under this Plan, as adjusted pursuant to Sections 2 and 18, and any
successor security.

              "Stock Bonus" means an award of Shares, or cash in lieu of Shares,
pursuant to Section 7.

              "Subsidiary" means any corporation (other than the Company) in an
unbroken chain of corporations beginning with the Company if each of the
corporations other than the last corporation in the unbroken chain owns stock
possessing 50% or more of the total combined voting power of all classes of
stock in one of the other corporations in such chain.

              "Termination" or "Terminated" means, for purposes of this Plan
with respect to a Participant, that the Participant has for any reason ceased to
provide services as an employee, officer, director, consultant, independent
contractor, or advisor to the Company or a Parent or Subsidiary of the Company.
An employee will not be deemed to have ceased to provide services in the case of
(i) sick leave, (ii) military leave, or (iii) any other leave of absence
approved by the Committee, provided, that such leave is for a period of not more
than 90 days, unless reemployment upon the expiration of such leave is
guaranteed by contract or statute or unless provided otherwise pursuant to
formal policy adopted from time to time by the Company and issued and
promulgated to employees in writing. In the case of any employee on an approved
leave of absence, the Committee may make such provisions respecting suspension
of vesting of the Award while on leave from the employ of the Company or a
Subsidiary as it may deem appropriate, except that in no event may an Option be
exercised after the expiration of the term set forth in the Option agreement.
The Committee will have sole discretion to determine whether a Participant has
ceased to provide services and the effective date on which the Participant
ceased to provide services (the "Termination Date").

              "Unvested Shares" means "Unvested Shares" as defined in the Award
Agreement.

              "Vested Shares" means "Vested Shares" as defined in the Award
Agreement.

                                      -11-

<PAGE>

                                                                    Exhibit 4.05
                                 VERISIGN, INC.

                       1998 EMPLOYEE STOCK PURCHASE PLAN

                          As Adopted December 19, 1997
               and Amended Effective May 1, 1998 and May 27, 1999


     1.  Establishment of Plan.  VeriSign, Inc. (the "Company") proposes to
grant options for purchase of the Company's  Common Stock to eligible employees
of the Company and its Participating Subsidiaries (as hereinafter defined)
pursuant to this Employee Stock Purchase Plan (this "Plan").  For purposes of
this Plan, "Parent Corporation" and "Subsidiary" (collectively, "Participating
Subsidiaries") shall have the same meanings as "parent corporation" and
"subsidiary corporation" in Sections 424(e) and 424(f), respectively, of the
Internal Revenue Code of 1986, as amended (the "Code").  "Participating
Subsidiaries" are Parent Corporations or Subsidiaries that the Board of
Directors of the Company (the "Board") designates from time to time as
corporations that shall participate in this Plan.  The Company intends this Plan
to qualify as an "employee stock purchase plan" under Section 423 of the Code
(including any amendments to or replacements of such Section), and this Plan
shall be so construed.  Any term not expressly defined in this Plan but defined
for purposes of Section 423 of the Code shall have the same definition herein.
A total of 1,500,000 shares of the Company's  Common Stock is reserved for
issuance under this Plan.  Such number shall be subject to adjustments effected
in accordance with Section 14 of this Plan.

     2.  Purpose.  The purpose of this Plan is to provide eligible employees of
the Company and Participating Subsidiaries with a convenient means of acquiring
an equity interest in the Company through payroll deductions, to enhance such
employees' sense of participation in the affairs of the Company and
Participating Subsidiaries, and to provide an incentive for continued
employment.

     3.  Administration.  This Plan shall be administered by the Compensation
Committee of the Board (the "Committee").  Subject to the provisions of this
Plan and the limitations of Section 423 of the Code or any successor provision
in the Code, all questions of interpretation or application of this Plan shall
be determined by the Committee and its decisions shall be final and binding upon
all participants.  Members of the Committee shall receive no compensation for
their services in connection with the administration of this Plan, other than
standard fees as established from time to time by the Board for services
rendered by Board members serving on Board committees.  All expenses incurred in
connection with the administration of this Plan shall be paid by the Company.

     4.  Eligibility.  Any employee of the Company or the Participating
Subsidiaries is eligible to participate in an Offering Period (as hereinafter
defined) under this Plan except the following:

         (a)  employees who are not employed by the Company or Participating
Subsidiaries ten (10) days before the beginning of such Offering Period, except
that employees who are employed on the effective date of the registration
statement filed by the Company with the Securities and Exchange Commission
("SEC") under the Securities Act of 1933, as amended (the "Securities Act")
registering the initial public offering of the Company's  Common Stock shall be
eligible to participate in the first Offering Period under the Plan;

         (b)  employees who are customarily employed for twenty (20) hours or
less per week;

         (c)  employees who are customarily employed for five (5) months or less
in a calendar year;

         (d)  employees who, together with any other person whose stock would be
attributed to such employee pursuant to Section 424(d) of the Code, own stock or
hold options to purchase stock possessing five percent (5%) or more of the total
combined voting power or value of all classes of stock of the Company or any of
its Participating Subsidiaries or who, as a result of being granted an option
under this Plan with respect to such Offering Period, would own stock or hold
options to purchase stock possessing five percent (5%) or more of the total
combined voting power or value of all classes of stock of the Company or any of
its Participating Subsidiaries; and
<PAGE>

                                                                  VeriSign, Inc.
                                               1998 Employee Stock Purchase Plan

       (e)  individuals who provide services to the Company or any of its
Participating Subsidiaries as independent contractors who are reclassified as
common law employees for any reason except for federal income and employment tax
                                    ------ ---
purposes.


     5.  Offering Dates.  The offering periods of this Plan (each, an "Offering
Period") shall be of twenty-four (24) months duration commencing on February 1
and August 1 of each year and ending on January 31 and July 31 of each year;
provided, however, that notwithstanding the foregoing, the first such
- --------- --------
Offering Period shall commence on the first business day on which price
quotations for the Company's  Common Stock are available on the Nasdaq National
Market (the "First Offering Date") and shall end on January 31, 2000.  Except
for the first Offering Period, each Offering Period shall consist of four (4)
six-month purchase periods (individually, a "Purchase Period") during which
payroll deductions of the participants are accumulated under this Plan.  The
first Offering Period shall consist of no more than five and no fewer than three
Purchase Periods, any of which may be greater or less than six months as
determined by the Committee.  The first business day of each Offering Period is
referred to as the "Offering Date".  The last business day of each Purchase
Period is referred to as the "Purchase Date".  The Committee shall have the
power to change the duration of Offering Periods or Purchase Periods with
respect to offerings without stockholder approval if such change is announced at
least fifteen (15) days prior to the scheduled beginning of the first Offering
Period or Purchase Period to be affected.

     6.  Participation in this Plan.  Eligible employees may become participants
in an Offering Period under this Plan on the first Offering Date after
satisfying the eligibility requirements by delivering a subscription agreement
to the Company's treasury department (the "Treasury Department") not later than
five (5) days before such Offering Date unless a later time for filing the
subscription agreement authorizing payroll deductions is set by the Committee
for all eligible employees with respect to a given Offering Period.  An eligible
employee who does not deliver a subscription agreement to the Treasury
Department by such date after becoming eligible to participate in such Offering
Period shall not participate in that Offering Period or any subsequent Offering
Period unless such employee enrolls in this Plan by filing a subscription
agreement with the Treasury Department not later than five (5) days preceding a
subsequent Offering Date.  Once an employee becomes a participant in an Offering
Period, such employee will automatically participate in the Offering Period
commencing immediately following the last day of the prior Offering Period
unless the employee withdraws or is deemed to withdraw from this Plan or
terminates further participation in the Offering Period as set forth in Section
11 below.  Such participant is not required to file any additional subscription
agreement in order to continue participation in this Plan.

     7.  Grant of Option on Enrollment.  Enrollment by an eligible employee in
this Plan with respect to an Offering Period will constitute the grant (as of
the Offering Date) by the Company to such employee of an option to purchase on
the Purchase Date up to that number of shares of  Common Stock of the Company
determined by dividing (a) the amount accumulated in such employee's payroll
deduction account during such Purchase Period by (b) the lower of (i) eighty-
five percent (85%) of the fair market value of a share of the Company's  Common
Stock on the Offering Date (but in no event less than the par value of a share
of the Company's  Common Stock), or (ii) eighty-five percent (85%) of the fair
market value of a share of the Company's  Common Stock on the Purchase Date (but
in no event less than the par value of a share of the Company's  Common Stock),
provided, however, that the number of shares of the Company's  Common Stock
- --------  -------
subject to any option granted pursuant to this Plan shall not exceed the lesser
of (a) the maximum number of shares set by the Committee pursuant to Section
10(c) below with respect to the applicable Purchase Date, or (b) the maximum
number of shares which may be purchased pursuant to Section 10(b) below with
respect to the applicable Purchase Date.  The fair market value of a share of
the Company's  Common Stock shall be determined as provided in Section 8 hereof.

     8.  Purchase Price.  The purchase price per share at which a share of
Common Stock will be sold in any Offering Period shall be eighty-five percent
(85%) of the lesser of:

         (a)  The fair market value on the Offering Date; or

         (b)  The fair market value on the Purchase Date.

                                      -2-
<PAGE>

                                                                  VeriSign, Inc.
                                               1998 Employee Stock Purchase Plan


       For purposes of this Plan, the term "Fair Market Value" means, as of any
date, the value of a share of the Company's  Common Stock determined as follows:

         (a)  if such  Common Stock is then quoted on the Nasdaq National
              Market, its closing price on the Nasdaq National Market on the
              date of determination as reported in The Wall Street Journal;
                                                   -----------------------

         (b)  if such  Common Stock is publicly traded and is then listed on a
              national securities exchange, its closing price on the date of
              determination on the principal national securities exchange on
              which the  Common Stock is listed or admitted to trading as
              reported in The Wall Street Journal;
                          -----------------------

         (c)  if such  Common Stock is publicly traded but is not quoted on the
              Nasdaq National Market nor listed or admitted to trading on a
              national securities exchange, the average of the closing bid and
              asked prices on the date of determination as reported in The Wall
                                                                       --------
              Street Journal; or
              --------------

         (d)  if none of the foregoing is applicable, by the Board in good
              faith, which in the case of the First Offering Date will be the
              price per share at which shares of the Company's  Common Stock are
              initially offered for sale to the public by the Company's
              underwriters in the initial public offering of the Company's
              Common Stock pursuant to a registration statement filed with the
              SEC under the Securities Act.

     9.  Payment Of Purchase Price; Changes In Payroll Deductions; Issuance Of
Shares.

         (a)  The purchase price of the shares is accumulated by regular payroll
deductions made during each Offering Period.  The deductions are made as a
percentage of the participant's compensation in one percent (1%) increments not
less than two percent (2%), nor greater than ten percent (10%) or such lower
limit set by the Committee.  Compensation shall mean base salary, commissions,
bonuses, incentive compensation and shift premiums not to exceed  $250,000 per
calendar year, provided however, that for purposes of determining a
participant's compensation, any election by such participant to reduce his or
her regular cash remuneration under Sections 125 or 401(k) of the Code shall be
treated as if the participant did not make such election.  Payroll deductions
shall commence on the first payday of the Offering Period and shall continue to
the end of the Offering Period unless sooner altered or terminated as provided
in this Plan.

         (b)  A participant may decrease or increase the rate of payroll
deductions during an Offering Period by filing with the Treasury Department a
new authorization for payroll deductions, in which case the new rate shall
become effective for the next payroll period commencing more than fifteen (15)
days after the Treasury Department's receipt of the authorization and shall
continue for the remainder of the Offering Period unless changed as described
below.  Such change in the rate of payroll deductions may be made at any time
during an Offering Period, but not more than two (2) changes may be made
effective during any Offering Period.  A participant may increase or decrease
the rate of payroll deductions for any subsequent Offering Period by filing with
the Treasury Department a new authorization for payroll deductions not later
than fifteen (15) days before the beginning of such Offering Period.

         (c)  All payroll deductions made for a participant are credited to his
or her account under this Plan and are deposited with the general funds of the
Company. No interest accrues on the payroll deductions. All payroll deductions
received or held by the Company may be used by the Company for any corporate
purpose, and the Company shall not be obligated to segregate such payroll
deductions.

         (d)  On each Purchase Date, so long as this Plan remains in effect and
provided that the participant has not submitted a signed and completed
withdrawal form before that date which notifies the Company that the participant
wishes to withdraw from that Offering Period under this Plan and have all
payroll deductions accumulated in

                                      -3-
<PAGE>

                                                                  VeriSign, Inc.
                                               1998 Employee Stock Purchase Plan



the account maintained on behalf of the participant as of that date returned to
the participant, the Company shall apply the funds then in the participant's
account to the purchase of whole shares of Common Stock reserved under the
option granted to such participant with respect to the Offering Period to the
extent that such option is exercisable on the Purchase Date. The purchase price
per share shall be as specified in Section 8 of this Plan. Any cash remaining in
a participant's account after such purchase of shares shall be refunded to such
participant in cash, without interest; provided, however that any amount
remaining in such participant's account on a Purchase Date which is less than
the amount necessary to purchase a full share of Common Stock of the Company
shall be carried forward, without interest, into the next Purchase Period or
Offering Period, as the case may be. In the event that this Plan has been
oversubscribed, all funds not used to purchase shares on the Purchase Date shall
be returned to the participant, without interest. No Common Stock shall be
purchased on a Purchase Date on behalf of any employee whose participation in
this Plan has terminated prior to such Purchase Date.

         (e)  As promptly as practicable after the Purchase Date, the Company
shall issue shares for the participant's benefit representing the shares
purchased upon exercise of his or her option.

         (f)  During a participant's lifetime, such participant's option to
purchase shares hereunder is exercisable only by him or her.  The participant
will have no interest or voting right in shares covered by his or her option
until such option has been exercised.

     10.  Limitations on Shares to be Purchased.

         (a)  No participant shall be entitled to purchase stock under this Plan
at a rate which, when aggregated with his or her rights to purchase stock under
all other employee stock purchase plans of the Company or any Subsidiary,
exceeds $25,000 in fair market value, determined as of the Offering Date (or
such other limit as may be imposed by the Code) for each calendar year in which
the employee participates in this Plan.  The Company shall automatically suspend
the payroll deductions of any participant as necessary to enforce such limit
provided that when the Company automatically resumes such payroll deductions,
the Company must apply the rate in effect immediately prior to such suspension.

         (b)  No more than two hundred percent (200%) of the number of shares
determined by using eighty-five percent (85%) of the fair market value of a
share of the Company's  Common Stock on the Offering Date as the denominator may
be purchased by a participant on any single Purchase Date.

         (c)  No participant shall be entitled to purchase more than the Maximum
Share Amount (as defined below) on any single Purchase Date.  Not less than
thirty (30) days prior to the commencement of any Offering Period, the Committee
may, in its sole discretion, set a maximum number of shares which may be
purchased by any employee at any single Purchase Date (hereinafter the "Maximum
Share Amount").  Until otherwise determined by the Committee, there shall be no
Maximum Share Amount.  In no event shall the Maximum Share Amount exceed the
amounts permitted under Section 10(b) above.  If a new Maximum Share Amount is
set, then all participants must be notified of such Maximum Share Amount prior
to the commencement of the next Offering Period.  Once the Maximum Share Amount
is set, it shall continue to apply with respect to all succeeding Purchase Dates
and Offering Periods unless revised by the Committee as set forth above.

         (d)  If the number of shares to be purchased on a Purchase Date by all
employees participating in this Plan exceeds the number of shares then available
for issuance under this Plan, then the Company will make a pro rata allocation
of the remaining shares in as uniform a manner as shall be reasonably
practicable and as the Committee shall determine to be equitable.  In such
event, the Company shall give written notice of such reduction of the number of
shares to be purchased under a participant's option to each participant affected
thereby.

         (e)  Any payroll deductions accumulated in a participant's account
which are not used to purchase stock due to the limitations in this Section 10
shall be returned to the participant as soon as practicable after the end of the
applicable Purchase Period, without interest.

                                      -4-
<PAGE>

                                                                  VeriSign, Inc.
                                               1998 Employee Stock Purchase Plan



     11.  Withdrawal.

         (a)  Each participant may withdraw from an Offering Period under this
Plan by signing and delivering to the Treasury Department a written notice to
that effect on a form provided for such purpose.  Such withdrawal may be elected
at any time at least fifteen (15) days prior to the end of an Offering Period.

         (b)  Upon withdrawal from this Plan, the accumulated payroll deductions
shall be returned to the withdrawn participant, without interest, and his or her
interest in this Plan shall terminate.  In the event a participant voluntarily
elects to withdraw from this Plan, he or she may not resume his or her
participation in this Plan during the same Offering Period, but he or she may
participate in any Offering Period under this Plan which commences on a date
subsequent to such withdrawal by filing a new authorization for payroll
deductions in the same manner as set forth above for initial participation in
this Plan.

         (c)  If the purchase price on the first day of any current Offering
Period in which a participant is enrolled is higher than the purchase price on
the first day of any subsequent Offering Period, the Company will automatically
enroll such participant in the subsequent Offering Period.  Except with respect
to the first Offering Period, any funds accumulated in a participant's account
prior to the first day of such subsequent Offering Period will be applied to the
purchase of shares on the Purchase Date immediately prior to the first day of
such subsequent Offering Period.  With respect to the first Offering Period, any
funds accumulated in a participant's account prior to the first day of such
subsequent Offering Period will be applied to the purchase of shares on the
Purchase Date next following the first day of such subsequent Offering Period.
A participant does not need to file any forms with the Company to automatically
be enrolled in the subsequent Offering Period.

     12.  Termination of Employment.  Termination of a participant's employment
for any reason, including retirement, death or the failure of a participant to
remain an eligible employee of the Company or of a Participating Subsidiary,
immediately terminates his or her participation in this Plan.  In such event,
the payroll deductions credited to the participant's account will be returned to
him or her or, in the case of his or her death, to his or her legal
representative, without interest.  For purposes of this Section 12, an employee
will not be deemed to have terminated employment or failed to remain in the
continuous employ of the Company or of a Participating Subsidiary in the case of
sick leave, military leave, or any other leave of absence approved by the Board;
provided that such leave is for a period of not more than ninety (90) days or
- --------
reemployment upon the expiration of such leave is guaranteed by contract or
statute.

     13.  Return of Payroll Deductions.  In the event a participant's interest
in this Plan is terminated by withdrawal, termination of employment or
otherwise, or in the event this Plan is terminated by the Board, the Company
shall promptly deliver to the participant all payroll deductions credited to
such participant's account.  No interest shall accrue on the payroll deductions
of a participant in this Plan.

     14.  Capital Changes.  Subject to any required action by the stockholders
of the Company, the number of shares of  Common Stock covered by each option
under this Plan which has not yet been exercised and the number of shares of
Common Stock which have been authorized for issuance under this Plan but have
not yet been placed under option (collectively, the "Reserves"), as well as the
price per share of Common Stock covered by each option under this Plan which has
not yet been exercised, shall be proportionately adjusted for any increase or
decrease in the number of issued and outstanding shares of  Common Stock of the
Company resulting from a stock split or the payment of a stock dividend (but
only on the  Common Stock) or any other increase or decrease in the number of
issued and outstanding shares of Common Stock effected without receipt of any
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
Committee, whose determination shall be final, binding and conclusive.  Except
as expressly provided herein, no issue 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.

                                      -5-
<PAGE>

                                                                  VeriSign, Inc.
                                               1998 Employee Stock Purchase Plan



    In the event of the proposed dissolution or liquidation of the Company, the
Offering Period will terminate immediately prior to the consummation of such
proposed action, unless otherwise provided by the Committee.  The Committee may,
in the exercise of its sole discretion in such instances, declare that this Plan
shall terminate as of a date fixed by the Committee and give each participant
the right to purchase shares under this Plan prior to such termination.  In the
event of (i) a merger or consolidation in which the Company is not the surviving
corporation (other than a merger or consolidation with a wholly-owned
subsidiary, a reincorporation of the Company in a different jurisdiction, or
other transaction in which there is no substantial change in the stockholders of
the Company or their relative stock holdings and the options under this Plan are
assumed, converted or replaced by the successor corporation, which assumption
will be binding on all participants), (ii) a merger in which the Company is the
surviving corporation but after which the stockholders of the Company
immediately prior to such merger (other than any stockholder that merges, or
which owns or controls another corporation that merges, with the Company in such
merger) cease to own their shares or other equity interest in the Company, (iii)
the sale of substantially all of the assets of the Company or (iv) the
acquisition, sale, or transfer of more than 50% of the outstanding shares of the
Company by tender offer or similar transaction, the Plan shall continue for all
Offering Periods which began prior to the transaction and shares will be
purchased based on the fair market value of the surviving corporation's stock on
each Purchase Date (taking into account the exchange ratio, where necessary).

    The Committee may, if it so determines in the exercise of its sole
discretion, also make provision for adjusting the Reserves, as well as the price
per share of  Common Stock covered by each outstanding option, in the event that
the Company effects one or more reorganizations, recapitalizations, rights
offerings or other increases or reductions of shares of its outstanding  Common
Stock, or in the event of the Company being consolidated with or merged into any
other corporation.

     15.  Nonassignability.  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 this 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 22 hereof) by the participant.  Any such
attempt at assignment, transfer, pledge or other disposition shall be void and
without effect.

     16.  Reports.  Individual accounts will be maintained for each participant
in this Plan.  Each participant shall receive promptly after the end of each
Purchase Period a report of his or her account setting forth the total payroll
deductions accumulated, the number of shares purchased, the per share price
thereof and the remaining cash balance, if any, carried forward to the next
Purchase Period or Offering Period, as the case may be.

     17.  Notice of Disposition.  Each participant shall notify the Company if
the participant disposes of any of the shares purchased in any Offering Period
pursuant to this Plan if such disposition occurs within two (2) years from the
Offering Date or within one (1) year from the Purchase Date on which such shares
were purchased (the "Notice Period").  Unless such participant is disposing of
any of such shares during the Notice Period, such participant shall keep the
certificates representing such shares in his or her name (and not in the name of
a nominee) during the Notice Period.  The Company may, at any time during the
Notice Period, place a legend or legends on any certificate representing shares
acquired pursuant to this Plan requesting the Company's transfer agent to notify
the Company of any transfer of the shares.  The obligation of the participant to
provide such notice shall continue notwithstanding the placement of any such
legend on the certificates.

     18.  No Rights to Continued Employment.  Neither this Plan nor the grant of
any option hereunder shall confer any right on any employee to remain in the
employ of the Company or any Participating Subsidiary, or restrict the right of
the Company or any Participating Subsidiary to terminate such employee's
employment.

     19.  Equal Rights And Privileges.  All eligible employees shall have equal
rights and privileges with respect to this Plan so that this Plan qualifies as
an "employee stock purchase plan" within the meaning of Section 423 or any
successor provision of the Code and the related regulations.  Any provision of
this Plan which is inconsistent with Section 423 or any successor provision of
the Code shall, without further act or amendment by the

                                      -6-
<PAGE>

                                                                  VeriSign, Inc.
                                               1998 Employee Stock Purchase Plan



Company, the Committee or the Board, be reformed to comply with the requirements
of Section 423. This Section 19 shall take precedence over all other provisions
in this Plan.

     20.  Notices.  All notices or other communications by a participant to the
Company under or in connection with this 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.

     21.  Term; Stockholder Approval.  After this Plan is adopted by the Board,
this Plan will become effective on the date that is the First Offering Date (as
defined above).  This Plan shall be approved by the stockholders of the Company,
in any manner permitted by applicable corporate law, within twelve (12) months
before or after the date this Plan is adopted by the Board.  No purchase of
shares pursuant to this Plan shall occur prior to such stockholder approval.
This Plan shall continue until the earlier to occur of (a) termination of this
Plan by the Board (which termination may be effected by the Board at any time),
(b) issuance of all of the shares of  Common Stock reserved for issuance under
this Plan, or (c) ten (10) years from the adoption of this Plan by the Board.

     22.  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
this Plan in the event of such participant's death subsequent to the end of an
Purchase Period but prior to delivery to him 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 this Plan in the event
of such participant's death prior to a Purchase Date.

         (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 this Plan who is living
at the time of such participant's death, the Company shall deliver such shares
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 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.

     23.  Conditions Upon Issuance of Shares; Limitation on Sale 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, the Securities Exchange Act of 1934, the
rules and regulations promulgated thereunder, and the requirements of any stock
exchange or automated quotation system 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.

     24.  Applicable Law.  The Plan shall be governed by the substantive laws
(excluding the conflict of laws rules) of the State of California.

     25.  Amendment or Termination of this Plan.  The Board may at any time
amend, terminate or extend the term of this Plan, except that any such
termination cannot affect options previously granted under this Plan, nor may
any amendment make any change in an option previously granted which would
adversely affect the right of any participant, nor may any amendment be made
without approval of the stockholders of the Company obtained in accordance with
Section 21 hereof within twelve (12) months of the adoption of such amendment
(or earlier if required by Section 21) if such amendment would:

         (a) increase the number of shares that may be issued under this Plan;
or

         (b) change the designation of the employees (or class of employees)
eligible for participation in this Plan.

                                      -7-

<PAGE>

                                                                    Exhibit 4.06

                             FORM OF VERISIGN, INC.
                        NON-PLAN STOCK OPTION AGREEMENT
                        -------------------------------


     This Stock Option Agreement (this "Agreement") is made and entered into as
of the date of grant set forth below (the "Date of Grant") by and between
VeriSign, Inc., a Delaware corporation (the "Company"), and the optionee named
below ("Optionee"). Capitalized terms not defined herein shall have the meaning
ascribed to them in Section 20.

Optionee:                        ______________________________________________
Social Security Number:          ______________________________________________
Optionee's Address:              ______________________________________________
                                 ______________________________________________
Total Option Shares:             ______________________________________________
Exercise Price Per Share:        ______________________________________________
Date of Grant:                   ______________________________________________
Vesting Start Date:              ______________________________________________
Expiration Date:                 ______________________________________________
Type of Stock Option:            ______________________________________________

     1.   Grant of Option.  The Company hereby grants to Optionee an option
          ---------------
(this "Option") to purchase up to the total number of shares of common stock of
the Company, $0.001 par value ("Common Stock"), set forth above (collectively,
the "Shares") at the Exercise Price Per Share set forth above (the "Exercise
Price"), subject to all of the terms and conditions of this Agreement.

      2.  Vesting; Exercise Period.
          ------------------------

          2.1      Vesting of Shares.  This Option shall be exercisable a it
                   -----------------
vests. Subject to the terms and conditions of this Agreement, this Option shall
vest and become exercisable as to portions of the Shares as follows: (a) this
Option shall not be exercisable with respect to any of the Shares until
_________________, 19___ (the "First Vesting Date"); (b) if Optionee has
continuously provided services to the Company, or any Parent or Subsidiary of
the Company, then on the First Vesting Date, this Option shall become
exercisable as to twenty-five percent (25%) of the Shares; and (c) thereafter
this Option shall become exercisable as to an additional 6.25% of the Shares on
each three (3) month anniversary of the First Vesting Date, provided that
Optionee has continuously provided services to the Company, or any Parent or
Subsidiary of the Company. This Option shall cease to vest upon Optionee's
Termination and Optionee shall in no event be entitled under this Option to
purchase a number of shares of the Company's Common Stock greater than the
"Total Option Shares."

          2.2      Expiration. This Option shall expire on the Expiration Date
                   ----------
set forth above and must be exercised, if at all, on or before the earlier of
the Expiration Date or the date on
<PAGE>

                                                                  VeriSign, Inc.
                                                 Non-Plan Stock Option Agreement



which this Option is earlier terminated in accordance with the provisions of
Section 3, provided, however, that this Option will be not be exercisable after
           --------  -------
the expiration of ten (10) years from the Date of Grant.

     3.   Termination.
          -----------

          3.1      Termination for Any Reason Except Death, Disability or
                   ------------------------------------------------------
Cause. If Optionee is Terminated for any reason except Optionee's death,
- -----
Disability or Cause, then this Option, to the extent (and only to the extent)
that it is vested in accordance with the schedule set forth in Section 2.1 of
this Agreement on the date of Termination, may be exercised by Optionee no later
than three (3) months after the date of Termination, but in any event no later
than the Expiration Date.

          3.2      Termination Because of Death or Disability.  If Optionee
                    ------------------------------------------
is Terminated because of death or Disability of Optionee (or the Optionee dies
within three (3) months after a Termination other than because of death,
Disability or Cause), then this Option, to the extent that it is vested in
accordance with the schedule set forth in Section 2.1 of this Agreement on the
date of Termination, may be exercised by Optionee (or Optionee's legal
representative) no later than twelve (12) months after the date of Termination,
but in any event no later than the Expiration Date.

          3.3      Termination for Cause.  If Optionee is Terminated for Cause,
                   ---------------------
this Option will expire on the Optionee's date of Termination.

          3.4      No Obligation to Employ.  Nothing in this Agreement shall
                   -----------------------
confer on Optionee any right to continue in the employ of, or other relationship
with, the Company or any Parent or Subsidiary of the Company, or limit in any
way the right of the Company or any Parent or Subsidiary of the Company to
terminate Optionee's employment or other relationship at any time, with or
without Cause.

     4.   Manner of Exercise.
          ------------------

          4.1      Stock Option Exercise Agreement.  To exercise this Option,
                   -------------------------------
Optionee (or in the case of exercise after Optionee's death, Optionee's
executor, administrator, heir or legatee, as the case may be) must deliver to
the Company an executed stock option exercise agreement in the form attached
hereto as Exhibit A, or in such other form as may be approved by the Company
          ---------
from time to time (the "Exercise Agreement"), which shall set forth, inter alia,
                                                                     ----- ----
Optionee's election to exercise this Option, the number of shares being
purchased, any restrictions imposed on the Shares and any representations,
warranties and agreements regarding Optionee's investment intent and access to
information as may be required by the Company to comply with applicable
securities laws.  If someone other than Optionee exercises this Option, then
such person must submit documentation reasonably acceptable to the Company that
such person has the right to exercise this Option.
<PAGE>

                                                                  VeriSign, Inc.
                                                 Non-Plan Stock Option Agreement



          4.2      Limitations on Exercise.  This Option may not be exercised
                   -----------------------
unless such exercise is in compliance with all applicable federal and state
securities laws, as they are in effect on the date of exercise.  This Option may
not be exercised as to fewer than 100 Shares unless it is exercised as to all
Shares as to which this Option is then exercisable.

          4.3      Payment.  The Exercise Agreement shall be accompanied by full
                   -------
payment of the Exercise Price for the Shares being purchased in cash (by check),
or where permitted by law:

    (a)   provided that a public market for the Company's stock exists: (1)
          through a "same day sale" commitment from Optionee and a broker-dealer
          that is a member of the National Association of Securities Dealers (an
          "NASD Dealer") whereby Optionee irrevocably elects to exercise this
          Option and to sell a portion of the Shares so purchased to pay for the
          exercise price and whereby the NASD Dealer irrevocably commits upon
          receipt of such Shares to forward the exercise price directly to the
          Company; or (2) through a "margin" commitment from Optionee and a NASD
                   --
          Dealer whereby Optionee irrevocably elects to exercise this Option and
          to pledge the Shares so purchased to the NASD Dealer in a margin
          account as security for a loan from the NASD Dealer in the amount of
          the exercise price, and whereby the NASD Dealer irrevocably commits
          upon receipt of such Shares to forward the exercise price directly to
          the Company; or

    (b)   by any combination of the foregoing.

          4.4      Tax Withholding.  Prior to the issuance of the Shares upon
                   ---------------
exercise of this Option, Optionee must pay or provide for any applicable federal
or state withholding obligations of the Company.  If the Committee permits,
Optionee may provide for payment of withholding taxes upon exercise of this
Option by requesting that the Company retain Shares with a Fair Market Value
equal to the minimum amount of taxes required to be withheld.  In such case, the
Company shall issue the net number of Shares to the Optionee by deducting the
Shares retained from the Shares issuable upon exercise.

          4.5      Issuance of Shares.  Provided that the Exercise Agreement and
                   ------------------
payment are in form and substance satisfactory to counsel for the Company, the
Company shall issue the Shares registered in the name of Optionee, Optionee's
authorized assignee, or Optionee's legal representative, and shall deliver
certificates representing the Shares with the appropriate legends affixed
thereto.

     5.   Compliance with Laws and Regulations.  The exercise of this Option and
          ------------------------------------
the issuance and transfer of Shares shall be subject to compliance by the
Company and Optionee with all applicable requirements of federal and state
securities laws and with all applicable requirements of any stock exchange on
which the Company's Common Stock may be listed at the time of such issuance or
transfer. Optionee understands that the Company is under no obligation
<PAGE>

                                                                  VeriSign, Inc.
                                                 Non-Plan Stock Option Agreement



to register or qualify the Shares with the Securities and Exchange Commission,
any state securities commission or any stock exchange to effect such compliance.

     6.   Nontransferability of Option.  This Option may not be transferred in
          ----------------------------
any manner other than by will or by the laws of descent and distribution and may
be exercised during the lifetime of Optionee only by Optionee. The terms of this
Option shall be binding upon the executors, administrators, successors and
assigns of Optionee.

     7.   Tax Consequences.  Set forth below is a brief summary of some of the
          ----------------
federal and California tax consequences of exercise of this Option and
disposition of the Shares. THIS SUMMARY IS NECESSARILY INCOMPLETE, AND THE TAX
LAWS AND REGULATIONS ARE SUBJECT TO CHANGE. OPTIONEE SHOULD CONSULT A TAX
ADVISOR BEFORE EXERCISING THE OPTION OR DISPOSING OF THE SHARES.

          7.1      Exercise of Nonqualified Stock Option.  There may be a
                   -------------------------------------
regular federal and California income tax liability upon the exercise of this
Option.  Optionee will be treated as having received compensation income
(taxable at ordinary income tax rates) equal to the excess, if any, of the fair
market value of the Shares on the date of exercise over the Exercise Price.  The
Company will be required to withhold from Optionee's compensation or collect
from Optionee and pay to the applicable taxing authorities an amount equal to a
percentage of this compensation income at the time of exercise.

          7.2      Disposition of Shares.  If the Shares are held for more than
                   ---------------------
twelve (12) months after the date of the transfer of the Shares pursuant to the
exercise of an NQSO, any gain realized on disposition of the Shares will be
treated as long-term capital gain, as the case may be.

     8.   Privileges of Stock Ownership.  Optionee shall not have any of the
          -----------------------------
rights of a shareholder with respect to any Shares until Optionee exercises this
Option and pays the Exercise Price.

     9.   Interpretation.  Any dispute regarding the interpretation of this
          --------------
Agreement shall be submitted by Optionee or the Company to the Committee for
review.  The resolution of such a dispute by the Committee shall be final and
binding on the Company and Optionee.

     10.  Entire Agreement.  This Agreement and the Exercise Agreement
          ----------------
constitute the entire agreement and understanding of the parties hereto with
respect to the subject matter hereof and supersede all prior understandings and
agreements with respect to such subject matter.

     11.  Notices.  Any notice required to be given or delivered to the
          -------
Company under the terms of this Agreement shall be in writing and addressed to
the Corporate Secretary of the Company at its principal corporate offices.  Any
notice required to be given or delivered to Optionee shall be in writing and
addressed to Optionee at the address indicated above or to such other address as
such party may designate in writing from time to time to the Company.  All
<PAGE>

                                                                  VeriSign, Inc.
                                                 Non-Plan Stock Option Agreement



notices shall be deemed to have been given or delivered upon:  personal
delivery; three (3) days after deposit in the United States mail by certified or
registered mail (return receipt requested); one (1) business day after deposit
with any return receipt express courier (prepaid); or one (1) business day after
transmission by rapifax or telecopier.

     12.  Successors and Assigns.  The Company may assign any of its rights
          ----------------------
under this Agreement.  This Agreement shall be binding upon and inure to the
benefit of the successors and assigns of the Company.  Subject to the
restrictions on transfer set forth herein, this Agreement shall be binding upon
Optionee and Optionee's heirs, executors, administrators, legal representatives,
successors and assigns.

     13.  Governing Law.  This Agreement shall be governed by and construed in
          -------------
accordance with the internal laws of the State of California, without regard to
that body of law pertaining to choice of law or conflict of law.

     14.  Acceptance.  Optionee hereby acknowledges receipt of a copy of this
          ----------
Agreement. Optionee has read and understands the terms and provisions thereof,
and accepts this Option subject to all the terms and conditions of this
Agreement. Optionee acknowledges that there may be adverse tax consequences upon
exercise of this Option or disposition of the Shares and that the Company has
advised Optionee to consult a tax advisor prior to such exercise or disposition.

     15.  Modification, Extension or Renewal.  The Committee may modify, extend
          ----------------------------------
or renew this Option and authorize the grant of new options in substitution
therefor, provided that any such action may not, without the written consent of
the Optionee, impair any of such Optionee's rights under this Option. The
Committee may reduce the Exercise Price of this Option without the consent of
the Optionee affected by a written notice to them; provided, however, that the
                                                   --------  -------
Exercise Price may not be reduced below 85% of the Fair Market Value of
the Shares on the date of grant.

     16.  Certificates.  All certificates for Shares or other securities
          ------------
delivered upon exercise of this Option will be subject to such stock transfer
orders, legends and other restrictions as the Committee may deem necessary or
advisable, including restrictions under any applicable federal, state or foreign
securities law, or any rules, regulations and other requirements of the SEC or
any stock exchange or automated quotation system upon which the Shares may be
listed or quoted.

     17.  Adjustment of Shares.  In the event that the number of outstanding
          --------------------
shares is changed by a stock dividend, recapitalization, stock split, reverse
stock split, subdivision, combination, reclassification or similar change in the
capital structure of the Company without consideration, then the Exercise Price
of and the number of Shares subject to this Option will be proportionately
adjusted, subject to any required action by the Board or the Optionee and
compliance with applicable securities laws; provided, however, that fractions of
                                            --------  -------
a Share will not be issued but will either be replaced by a cash payment equal
to the Fair Market Value of such
<PAGE>

                                                                  VeriSign, Inc.
                                                 Non-Plan Stock Option Agreement



fraction of a Share or will be rounded up to the nearest whole Share, as
determined by the Committee.

     18.  Corporate Transactions.
          ----------------------

          18.1      Assumption or Replacement of Option by Successor.  In the
                    ------------------------------------------------
event of (a) a dissolution or liquidation of the Company, (b) a merger or
consolidation in which the Company is not the surviving corporation (other than
a merger or consolidation with a wholly-owned subsidiary, a reincorporation of
the Company in a different jurisdiction, or other transaction in which there is
no substantial change in the stockholders of the Company or their relative stock
holdings and this Option is assumed, converted or replaced by the successor
corporation, which assumption will be binding on the Optionee), (c) a merger in
which the Company is the surviving corporation but after which the stockholders
of the Company immediately prior to such merger (other than any stockholder that
merges, or which owns or controls another corporation that merges, with the
Company in such merger) cease to own their shares or other equity interest in
the Company, (d) the sale of substantially all of the assets of the Company, or
(e) the acquisition, sale, or transfer of more than 50% of the outstanding
shares of the Company by tender offer or similar transaction, this Option may be
assumed, converted or replaced by the successor corporation (if any), which
assumption, conversion or replacement will be binding on the Optionee.  In the
alternative, the successor corporation may substitute equivalent options or
provide substantially similar consideration to the Optionee as was provided to
other stockholders.  The successor corporation may also issue, in place of
outstanding Shares of the Company held by the Optionee, substantially similar
shares or other property subject to repurchase restrictions no less favorable to
the Optionee.  In the event such successor corporation (if any) refuses to
assume or substitute this Option, as provided above, pursuant to a transaction
described in this subsection, this Option will expire on such transaction at
such time and on such conditions as the Committee will determine; provided,
                                                                  --------
however, that the Committee may, in its sole discretion, provide that the
- -------
vesting of this Option will accelerate.  If the Committee exercises such
discretion with respect to this Option, this Option will become exercisable in
full prior to the consummation of such event at such time and on such conditions
as the Committee determines, and if this Option is not exercised prior to the
consummation of the corporate transaction, it shall terminate at such time as
determined by the Committee.

          18.2     Other Treatment of Option.  Subject to any greater rights
                   -------------------------
granted to the Optionee under the foregoing provisions of this section, in the
event of the occurrence of any transaction described in Section 18.1, this
Option will be treated as provided in the applicable agreement or plan of
merger, consolidation, dissolution, liquidation, or sale of assets.

     19.  Amendment or Termination of the Agreement.  The Board may at any time
          -----------------------------------------
terminate or amend this Agreement in any respect; provided, however, that the
                                                  --------  -------
Board will not, without the approval of the Optionee, amend this Agreement in
any manner that requires Optionee's approval.
<PAGE>

                                                                  VeriSign, Inc.
                                                 Non-Plan Stock Option Agreement



     20.  Definitions.   As used in this Agreement, the following terms will
          -----------
have the following meanings:

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

          "Cause" means the commission of an act of theft, embezzlement, fraud,
dishonesty or a breach of fiduciary duty to the Company or a Parent or
Subsidiary of the Company.

          "Committee" means the Compensation Committee of the Board

          "Disability" means a disability, whether temporary or permanent,
partial or total, within the meaning of Section 22(e)(3) of the Internal Revenue
Code of 1986, as amended, as determined by the Committee.

          "Fair Market Value" means, as of any date, the value of a share of the
Company's Common Stock determined as follows:

     (a)   if such Common Stock is then quoted on the Nasdaq National Market,
           its closing price on the Nasdaq National Market on the date of
           determination as reported in The Wall Street Journal;
                                        -----------------------

     (b)   if such Common Stock is publicly traded and is then listed on a
           national securities exchange, its closing price on the date of
           determination on the principal national securities exchange on
           which the Common Stock is listed or admitted to trading as reported
           in The Wall Street Journal;
              -----------------------

     (c)  if such Common Stock is publicly traded but is not quoted on the
          Nasdaq National Market nor listed or admitted to trading on a
          national securities exchange, the average of the closing bid and
          asked prices on the date of determination as reported in The Wall
                                                                   --------
          Street Journal; or
           --------------

     (d)  if none of the foregoing is applicable, by the Committee in good
          faith.

          "Parent" means any corporation (other than the Company) in an unbroken
chain of corporations ending with the Company if each of such corporations other
than the Company owns stock possessing 50% or more of the total combined voting
power of all classes of stock in one of the other corporations in such chain.

          "Subsidiary" means any corporation (other than the Company) in an
unbroken chain of corporations beginning with the Company if each of the
corporations other than the last corporation in the unbroken chain owns stock
possessing 50% or more of the total combined voting power of all classes of
stock in one of the other corporations in such chain.
<PAGE>

                                                                  VeriSign, Inc.
                                                 Non-Plan Stock Option Agreement



          "Termination" or "Terminated" means, for purposes of this Agreement
with respect to the Optionee, that the Optionee has for any reason ceased to
provide services as an employee, officer, director, consultant, independent
contractor, or advisor to the Company or a Parent or Subsidiary of the Company.
An employee will not be deemed to have ceased to provide services in the case of
(i) sick leave, (ii) military leave, or (iii) any other leave of absence
approved by the Committee, provided, that such leave is for a period of not more
than 90 days, unless reemployment upon the expiration of such leave is
guaranteed by contract or statute or unless provided otherwise pursuant to
formal policy adopted from time to time by the Company and issued and
promulgated to employees in writing.  In the case of the Optionee is on an
approved leave of absence, the Committee may make such provisions respecting
suspension of vesting of this Option while on leave from the employ of the
Company or a Subsidiary as it may deem appropriate, except that in no event may
this Option be exercised after the expiration of the term set forth in this
Agreement.  The Committee will have sole discretion to determine whether the
Optionee has ceased to provide services and the effective date on which the
Optionee ceased to provide services (the "Termination Date").

        IN WITNESS WHEREOF, the Company has caused this Agreement to be executed
in duplicate by its duly authorized representative and Optionee has executed
this Agreement in duplicate as of the Date of Grant.

VERISIGN, INC.                   OPTIONEE


By: _________________________    ___________________________
                                 (Signature)

_____________________________    ___________________________
(Please print name)              (Please print name)

_____________________________
(Please print title)
<PAGE>

                                   EXHIBIT A
                                   ---------


                        STOCK OPTION EXERCISE AGREEMENT
<PAGE>

                                   Exhibit A
                                   ---------

                                 VERISIGN, INC.
                    NON-PLAN STOCK OPTION EXERCISE AGREEMENT
                    ----------------------------------------

      I hereby elect to purchase the number of shares of Common Stock of
VERISIGN, INC. (the "Company") as set forth below:

<TABLE>
<CAPTION>
<S>                                                                 <C>
Optionee: ________________________________________________          Number of Shares Purchased: _________________________________
Social Security Number: __________________________________          Purchase Price per Share: ___________________________________
Address: _________________________________________________          Aggregate Purchase Price: ___________________________________
                                                                    Date of Option Agreement: ___________________________________
Type of Option:  Nonqualified Stock Option                          Exact Name of Title to Shares: ______________________________
</TABLE>
1.  Delivery of Purchase Price.  Optionee hereby delivers to the Company the
Aggregate Purchase Price, to the extent permitted in the Option Agreement (the
"Option Agreement") as follows (check as applicable and complete):
<TABLE>
<CAPTION>
<S>                          <C>
[   ]                        in cash (by check) in the amount of $_____________________, receipt of which is acknowledged by the
                             Company;
[   ]                        through a "same-day-sale" commitment, delivered herewith, from Optionee and the NASD Dealer named
                             therein, in the amount of $_______________________________; or
[   ]                        through a "margin" commitment, delivered herewith from optionee and the NADS dealer named therein, in
                             the amount of $_________________________________________.
</TABLE>

2.   Market Standoff Agreement. Optionee, if requested by the Company and an
underwriter of Common Stock (or other securities) of the Company, agrees not to
sell or otherwise transfer or dispose of any Common Stock (or other securities)
of the Company held by Optionee during the period requested by the managing
underwriter following the effective date of a registration statement of the
Company filed under the securities act, provided that all officers and directors
of the Company are required to enter into similar agreements. Such agreement
shall be in writing in a form satisfactory to the Company and such underwriter.
The Company may impose stop-transfer instructions with respect to the shares (or
other securities) subject to the foregoing restriction until the end of such
period.

3.   Tax Consequences.  OPTIONEE UNDERSTANDS THAT OPTIONEE MAY SUFFER ADVERSE
TAX CONSEQUENCES AS A RESULT OF OPTIONEE'S PURCHASE OR DISPOSITION OF THE
SHARES.  OPTIONEE REPRESENTS THAT OPTIONEE HAS CONSULTED WITH ANY TAX
CONSULTANT(S) OPTIONEE DEEMS ADVISABLE IN CONNECTION WITH THE PURCHASE OR
DISPOSITION OF THE SHARES AND THAT OPTIONEE IS NOT RELYING ON THE COMPANY FOR
ANY TAX ADVICE.

4.   Entire Agreement.  The Option Agreement is incorporated herein by
reference.  This exercise agreement and the Option Agreement constitute the
entire agreement and understanding of the parties and supersede in their
entirety all prior understandings and agreements of the Company and Optionee
with respect to the subject matter hereof, and are governed by California law
except for that body of law pertaining to choice of law or conflict of law.


Date: _______________________________  _________________________________
                                       Signature of Optionee
<PAGE>

                                Spousal Consent


     I acknowledge that I have read the foregoing Stock Option Exercise
Agreement (the "Agreement") and that I know its contents.  I hereby consent to
and approve all the provisions of the Agreement, and agree that the shares of
the Common Stock of VeriSign, Inc. purchased thereunder (the "Shares") and any
interest I may have in such Shares are subject to all the provisions of the
Agreement.  I will take no action at any time to hinder operation of the
Agreement on these Shares or any interest I may have in or to them.



           __________________________________   Date:__________________
           Signature of Optionee's Spouse

           __________________________________
           Spouse's Name - Typed or Printed

           ___________________________________
           Optionee's Name - Typed or Printed

<PAGE>

                                                                    EXHIBIT 5.01

                                  July 12,1999

VeriSign, Inc.
1350 Charleston Road
Mountain View, California 94043-1331

Gentlemen/Ladies:

     At your request, we have examined the Registration Statement on Form S-8
(the "Registration Statement") to be filed by you with the Securities and
Exchange Commission on or about July 14, 1999 in connection with the
registration under the Securities Act of 1933, as amended, of an aggregate of
4,900,000 shares of your Common Stock (the "Stock") subject to issuance by you
upon exercise of options granted or to be granted under your 1998 Equity
Incentive Plan, 1998 Employee Stock Purchase Plan and Non-Plan Option Agreements
(collectively, the "Plans")

     In rendering this opinion, we have examined the following:

     (1)  your registration statement on Form S-1 (File Number 333-40789), filed
          with the Commission and declared effective on January 29, 1998 (the
          "Form S-1"), together with the Exhibits filed as a part thereof,
          including without limitation the Plans and related grant and exercise
          form agreements;

     (2)  your registration statement on Form 8-A (File Number 000-23593) filed
          with Commission on January 6, 1998, which we understand was declared
          effective on January 29, 1998;

     (3)  the Registration Statement, together with the Exhibits filed as a part
          thereof;

     (4)  the Prospectus prepared in connection with the Registration Statement;

     (5)  the minutes of meetings and actions by written consent of your
          stockholders and Board of Directors that are contained in your minute
          books that are in our possession;

     (6)  [a certificate from your transfer agent dated July 8, 1999 / verbal
          confirmation from the transfer agent] regarding the number of shares
          outstanding, and a list prepared by [you/Sharedata, Inc.] identifying
          all outstanding options, warrants and other rights to acquire your
          capital stock and

     (7)  a Management Certificate addressed to us and dated of even date
          herewith executed by the Company containing certain factual and other
          representations.

     We have also confirmed the continued effectiveness of your registration
under the Securities Exchange Act of 1934, as amended, by telephone call to the
offices of the Commission and have confirmed your eligibility to use Form S-8.

     In our examination of documents for purposes of this opinion, we have
assumed, and express no opinion as to, the genuineness of all signatures on
original documents, the authenticity and completeness of
<PAGE>

all documents submitted to us as originals, the conformity to originals and
completeness of all documents submitted to us as copies, the legal capacity of
all natural persons executing the same, the lack of any undisclosed termination,
modification, waiver or amendment to any document reviewed by us and the due
authorization, execution and delivery of all documents where due authorization,
execution and delivery are prerequisites to the effectiveness thereof.

     As to matters of fact relevant to this opinion, we have relied solely upon
our examination of the documents referred to above and have assumed the current
accuracy and completeness of the information included in the documents referred
to above.  We have made no independent investigation or other attempt to verify
the accuracy of any of such information or to determine the existence or non-
existence of any other factual matters; however, we are not aware of any facts
that would lead us to believe that the opinion expressed herein is not accurate.

     We are admitted to practice law in the State of California, and we express
no opinion herein with respect to the application or effect of the laws of any
jurisdiction other than the existing laws of the United States of America and
the State of California and (without reference to case law or secondary sources)
the existing Delaware General Corporation Law.

     Based upon the foregoing, it is our opinion that the 4,900,000 shares of
Stock that may be issued and sold by you upon  the exercise of options granted
or to be granted under the Plans, or purchase rights pursuant to the Plans when
issued and sold in accordance with the respective Plan and purchase agreements
to be entered into thereunder, and in the manner referred to in the Prospectus
associated with the Registration Statement, will be validly issued, fully paid
and nonassessable.

     We consent to the use of this opinion as an exhibit to the Registration
Statement and further consent to all references to us, if any, in the
Registration Statement, the Prospectus prepared in connection therewith and any
amendments thereto.

     This opinion speaks only as of its date and we assume no obligation to
update this opinion should circumstances change after the date hereof.  This
opinion is intended solely for your use as an exhibit to the Registration
Statement for the purpose of the above sale of the Stock and is not to be relied
upon for any other purpose.

                              Very truly yours,

                              FENWICK & WEST LLP

<PAGE>

                                                                  Exhibit 23.02

                        Consent of Independent Auditors

The Board of Directors

VeriSign, Inc.

We consent to incorporation by reference in the registration statement dated on
or about July 9, 1999, on Form S-8 of VeriSign, Inc., of our report dated
January 15, 1999, with respect to the consolidated balance sheets of VeriSign,
Inc. and subsidiaries as of December 31, 1998 and 1997, and the related
consolidated statements of operations, stockholders' equity, and cash flows for
each of the years in the three-year period ended December 31, 1998, which report
appears in the December 31, 1998, annual report on Form 10-K of VeriSign, Inc.

Mountain View, California
July 9, 1999


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