AMERICA ONLINE INC
S-8, 1999-03-17
COMPUTER PROGRAMMING, DATA PROCESSING, ETC.
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     As filed with the Securities and Exchange Commission on March 17, 1999
                                               Registration No. 333-

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             ----------------------
                                    FORM S-8
                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933

                              AMERICA ONLINE, INC.
             (Exact Name of Registrant as Specified in its Charter)


                    DELAWARE                           54-1322110
        (State or Other Jurisdiction of    (I.R.S. Employer Identification No.)
        Incorporation or Organization)

                                  22000 AOL Way
                           Dulles, Virginia 20166-9323
                    (Address of Principal Executive Offices,
                               including Zip Code)

                          Portola Communications, Inc.
                             1996 Stock Option Plan

                              Sheila A. Clark, Esq.
                             Acting General Counsel
                              America Online, Inc.
                                  22000 AOL Way
                           Dulles, Virginia 20166-9323
                                 (703) 265-1000

            (Name, Address, including Zip Code, and Telephone Number,
                   including Area Code, of Agent for Service)


                         CALCULATION OF REGISTRATION FEE
<TABLE>

                                                                           Proposed Maximum          Proposed Maximum
 Title of Each Securities       Amount to be        Offering Price Per    Aggregate Offering             Amount of
  to be Registered (1)           Registered             Share (2)               Price               Registration Fee

<S>                             <C>                      <C>                 <C>                          <C>  
 Common Stock, par value        9,750 shares             $1.03               $10,042.50                   $2.79
   $0.01 per share 

</TABLE>

     (1) Common Stock being  registered  hereby  includes  associated  Preferred
         Share Purchase Rights,  which initially are attached to and traded with
         the shares of the Registrant's Common Stock. Value attributable to such
         rights, if any, is reflected in the market price of the Common Stock.

     (2) The maximum offering price per share has been determined solely for the
         purpose of calculating  the  registration  fee pursuant to Rules 457(c)
         and (h) under the  Securities  Act as follows:  for the 9,750 shares of
         Common  Stock , which may be  purchased  upon  exercise of  outstanding
         options,  the fee is  based  on the  average  price  of  $1.03 at which
         options may be exercised.

                                PART I

              INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS

         The documents  containing the  information  specified in Part I will be
sent or given to employees as specified by Rule  428(b)(1).  Such  documents are
not being filed with the Securities and Exchange  Commission (the  "Commission")
either as part of this  Registration  Statement or as prospectuses or prospectus
supplements pursuant to Rule 424. Such documents and the documents  incorporated
by reference  in this  Registration  Statement  pursuant to Item 3 of Part II of
this Form,  taken together,  constitute a prospectus that meets the requirements
of Section 10(a) of the Securities Act.

                            PART II

               INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

Item 3.  Incorporation of Documents by Reference.

     The following documents have been filed by America Online, Inc., a Delaware
corporation (the "Company"),  with the Commission and are incorporated herein by
reference:

     (a) The Company's Annual Report on Form 10-K for the fiscal year ended June
         30, 1998 (SEC file number  001-12143  and filing date of September  28,
         1998)

     (b) The Company's  Quarterly  Report on Form 10-Q, for the quarterly period
         ended September 30, 1998 (SEC file number  001-12143 and filing date of
         November 6, 1998)

     (c) The Company's  Quarterly  Report on Form 10-Q, for the quarterly period
         ended  December 31, 1998 (SEC file number  001-12143 and filing date of
         February 10, 1999)

     (d) The Company's  Proxy  Statement on Schedule 14A for the Company's  1998
         Annual Meeting (SEC file number  001-12143 and filing date of September
         28, 1998)

     (e) The Company's Current Report on Form 8-K dated August 4, 1998 (SEC file
         number 001-12143 and filing date of August 5, 1998)

     (f) The Company's  Current Report on Form 8-K dated September 28, 1998 (SEC
         file number 001-12143 and filing date of September 29, 1998)

     (g) The Company's  Current  Report on Form 8-K dated November 23, 1998 (SEC
         file number 001-12143 and filing date of November 24, 1998)

     (h) The Company's  Current  Report on Form 8-K dated  February 1, 1999 (SEC
         file number 001-12143 and filing date of February 11, 1999)

     (i) The Company's  Current  Report on Form 8-K dated  November 9, 1998 (SEC
         file number 001-12143 and filing date of February 17, 1999)

     (j) The  description  of the  common  stock  set  forth  in  the  Company's
         Registration Statement on Form S-3 dated June 24, 1998 (SEC file number
         333-57153  and filing date of June 24, 1998) filed  pursuant to Section
         12 of the Securities Exchange Act

     (k) The description of the preferred share purchase rights contained in the
         Company's Quarterly Report on Form 10-Q for the quarter ended March 31,
         1998 (SEC file number 001-12143 and filing date of May 15, 1998)

     (l) In addition,  all  documents  filed by the Company with the  Commission
         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  offered hereby have been sold or which  deregisters all
         securities then remaining unsold, shall be deemed to be incorporated by
         reference  herein and to be 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.

         Section 145(a) of the General  Corporation Law of the State of Delaware
("Delaware Corporation Law") provides, in general, that a corporation shall have
the power to indemnify  any person who was or is a party or is  threatened to be
made a party to any threatened, pending or completed action, suit or proceeding,
whether civil,  criminal,  administrative or investigative (other than an action
by or in the right of the corporation),  because the person is or was a director
or officer of the corporation. Such indemnity may be against expenses (including
attorneys' fees),  judgments,  fines and amounts paid in settlement actually and
reasonably  incurred  by the  person in  connection  with such  action,  suit or
proceeding,  if the  person  acted  in good  faith  and in a manner  the  person
reasonably  believed  to be in or not  opposed  to  the  best  interests  of the
corporation  and if, with  respect to any  criminal  action or  proceeding,  the
person  did not have  reasonable  cause to  believe  the  person's  conduct  was
unlawful.

         Section 145(b) of the Delaware  Corporation  Law provides,  in general,
that a corporation  shall have the power to indemnify any person who was or is a
party  or is  threatened  to be  made a  party  to any  threatened,  pending  or
completed  action or suit by or in the  right of the  corporation  to  procure a
judgment in its favor  because the person is or was a director or officer of the
corporation,  against any  expenses  (including  attorneys'  fees)  actually and
reasonably  incurred by the person in connection  with the defense or settlement
of such  action or suit if the  person  acted in good  faith and in a manner the
person reasonably  believed to be in or not opposed to the best interests of the
corporation.

         Section 145(g) of the Delaware  Corporation  Law provides,  in general,
that a  corporation  shall have the power to purchase and maintain  insurance on
behalf of any  person who is or was a  director  or  officer of the  corporation
against  any  liability  asserted  against the person in any such  capacity,  or
arising out of the person's status as such, whether or not the corporation would
have the  power to  indemnify  the  person  against  such  liability  under  the
provisions of the law.

         Article Ninth of the Registrant's Restated Certificate of Incorporation
(incorporated by reference  herein) provides for  indemnification  of directors,
officers and other persons as follows:

                           To the  fullest  extent  permitted  by  the  Delaware
         General  Corporation  Law as the same now  exists or may  hereafter  be
         amended, the Corporation shall indemnify,  and advance expenses to, its
         directors  and  officers  and any person  who is or was  serving at the
         request of the Corporation as a director or officer,  employee or agent
         of another  corporation,  partnership,  joint  venture,  trust or other
         enterprise.  The Corporation,  by action of its board of directors, may
         provide  indemnification or advance expenses to employees and agents of
         the  Corporation or other persons only on such terms and conditions and
         to the  extent  determined  by the board of  directors  in its sole and
         absolute discretion.

                           The   indemnification  and  advancement  of  expenses
         provided by, or granted  pursuant  to, this Article  Ninth shall not be
         deemed   exclusive  of  any  other   rights  to  which  those   seeking
         indemnification  or  advancement  of expenses may be entitled under any
         By-law,  agreement,  vote of stockholders or disinterested directors or
         otherwise,  both as to action in his official capacity and as to action
         in another capacity while holding such office.

                           The Corporation  shall have the power to purchase and
         maintain  insurance  on behalf of any person who is or was a  director,
         officer, employee or agent of the Corporation,  or is or was serving at
         the  request of the  Corporation  as a director,  officer,  employee or
         agent of another  corporation,  partnership,  joint  venture,  trust or
         other  enterprise,  against  any  liability  asserted  against  him and
         incurred by him in any such  capacity,  or arising out of his status as
         such,  whether or not the Corporation would have the power to indemnify
         him against such liability under this Article Ninth.

                           The   indemnification  and  advancement  of  expenses
         provided by, or granted  pursuant to, this Article Ninth shall,  unless
         otherwise provided when authorized or ratified, continue as to a person
         who has  ceased to be a  director  or  officer  and shall  inure to the
         benefit of the heirs,  executors and  administrators of such officer or
         director. The indemnification and advancement of expenses that may have
         been provided to an employee or agent of the  Corporation  by action of
         the board of directors, pursuant to the last sentence of Paragraph 1 of
         this Article Ninth, shall, unless otherwise provided when authorized or
         ratified,  continue  as to a person who has ceased to be an employee or
         agent of the  Corporation  and shall inure to the benefit of the heirs,
         executors  and  administrators  of such a  person,  after the time such
         person has ceased to be an employee or agent of the  Corporation,  only
         on such terms and conditions and to the extent  determined by the board
         of directors in its sole discretion.

         Article Five of the  Registrant's  Restated  By-Laws  (incorporated  by
reference herein) provides that:

         Right to Indemnification.  Each person who was or is made a party or is
         threatened  to be  made a  party  to or is  otherwise  involved  in any
         action, suit or proceeding, whether civil, criminal,  administrative or
         investigative,  because  he is or was a  director  or an officer of the
         Corporation or is or was serving at the request of the Corporation as a
         director,  officer,  employee or agent of another  corporation  or of a
         partnership,  joint  venture,  trust  or  other  enterprise,  including
         service  with  respect to an  employee  benefit  plan  (hereinafter  an
         "Indemnitee"),  whether the basis of such  proceeding is alleged action
         in an official capacity as a director, officer, employee or agent or in
         any other  capacity while serving as a director,  officer,  employee or
         agent, shall be indemnified and held harmless by the Corporation to the
         fullest extent  authorized by the Delaware General  Corporation Law, as
         the same exists or may  hereafter be amended  (but,  in the case of any
         such  amendment,  only to the extent  that such  amendment  permits the
         Corporation  to provide  broader  indemnification  rights than such law
         permitted the  Corporation to provide before such  amendment),  against
         all expense,  liability and loss (including attorney's fees, judgments,
         fines,  ERISA excise taxes or penalties and amounts paid in settlement)
         reasonably  incurred  or  suffered  by such  Indemnitee  in  connection
         therewith;  provided,  however, that, except as provided in the section
         "Right of  Indemnitees  to Bring Suit" of this  Article with respect to
         proceedings to enforce rights to indemnification, the Corporation shall
         indemnify any such  Indemnitee in connection with a proceeding (or part
         thereof)  initiated by such Indemnitee only if such proceeding (or part
         thereof) was authorized by the board of directors of the Corporation.

         Right  to  Advancement  of  Expenses.   The  right  to  indemnification
         conferred  in the section  "Right to  Indemnification"  of this Article
         shall  include  the right to be paid by the  Corporation  the  expenses
         (including  attorney's  fees) incurred in defending any such proceeding
         in advance of its final disposition;  provided,  however,  that, if the
         Delaware General  Corporation Law requires,  an advancement of expenses
         incurred by an Indemnitee in his capacity as a director or officer (and
         not in any other  capacity in which  service was or is rendered by such
         Indemnitee,  including,  without  limitation,  service  to an  employee
         benefit plan) shall be made only upon delivery to the Corporation of an
         undertaking,  by or on behalf of such Indemnitee,  to repay all amounts
         so advanced if it shall  ultimately  be  determined  by final  judicial
         decision  from  which  there is no  further  right to appeal  that such
         Indemnitee is not entitled to be  indemnified  for such expenses  under
         this section or  otherwise.  The rights to  indemnification  and to the
         advancement  of  expenses  conferred  in this  section  and the section
         "Right to Indemnification" of this Article shall be contract rights and
         such rights shall  continue as to an Indemnitee  who has ceased to be a
         director,  officer, employee or agent and shall inure to the benefit of
         the Indemnitee's  heirs,  executors and  administrators.  Any repeal or
         modification  of  any of the  provisions  of  this  Article  shall  not
         adversely  affect any right or protection of an Indemnitee  existing at
         the time of such repeal or modification.

         Right of Indemnitees to Bring Suit. If a claim under the section "Right
         to  Indemnification"  or "Right to  Advancement  of  Expenses"  of this
         Article is not paid in full by the  Corporation  within sixty (60) days
         after a written claim has been received by the  Corporation,  except in
         the case of a claim for an advancement  of expenses,  in which case the
         applicable  period shall be twenty (20) days, the Indemnitee may at any
         time  thereafter  bring suit  against  the  Corporation  to recover the
         unpaid  amount of the claim.  If  successful in whole or in part in any
         such  suit,  or in a suit  brought  by the  Corporation  to  recover an
         advancement of expenses  pursuant to the terms of an  undertaking,  the
         Indemnitee   shall  also  be  entitled  to  be  paid  the  expenses  of
         prosecuting  or  defending  such suit.  In (1) any suit  brought by the
         Indemnitee to enforce a right to indemnification  hereunder (but not in
         a suit brought by the  Indemnitee to enforce a right to an  advancement
         of expenses) it shall be a defense that, and (2) in any suit brought by
         the  Corporation to recover an advancement of expenses  pursuant to the
         terms of an undertaking,  the Corporation  shall be entitled to recover
         such expenses upon a final  adjudication  that,  the Indemnitee has not
         met any  applicable  standard  for  indemnification  set  forth  in the
         Delaware   General   Corporation   Law.  Neither  the  failure  of  the
         Corporation  (including  its  board  of  directors,  independent  legal
         counsel, or its stockholders) to have made a determination prior to the
         commencement  of such suit that  indemnification  of the  Indemnitee is
         proper  in  the  circumstances  because  the  Indemnitee  has  met  the
         applicable  standard  of  conduct  set  forth in the  Delaware  General
         Corporation  Law,  nor  an  actual  determination  by  the  Corporation
         (including its board of directors,  independent  legal counsel,  or its
         stockholders) that the Indemnitee has not met such applicable  standard
         of conduct,  shall create a presumption that the Indemnitee has not met
         the  applicable  standard  of  conduct  or,  in the case of such a suit
         brought  by the  Indemnitee,  be a defense  to such  suit.  In any suit
         brought by the Indemnitee to enforce a right to  indemnification  or to
         an advancement of expenses hereunder,  or brought by the Corporation to
         recover  an  advancement  of  expenses  pursuant  to  the  terms  of an
         undertaking,  the burden of proving that the Indemnitee is not entitled
         to be  indemnified,  or to such  advancement  of  expenses,  under this
         Article or otherwise shall be on the Corporation.

         Non-Exclusivity  of Rights.  The rights to  indemnification  and to the
         advancement  of  expenses  conferred  in  this  Article  shall  not  be
         exclusive  of any other  right  which any person may have or  hereafter
         acquire   under  any  statute,   the   Corporation's   Certificate   of
         Incorporation  as  amended  from  time  to  time,  these  By-Laws,  any
         agreement,  any vote of  stockholders  or  disinterested  directors  or
         otherwise.

         Insurance.  The Corporation may maintain insurance,  at its expense, to
         protect  itself and any  director,  officer,  employee  or agent of the
         Corporation or another corporation,  partnership,  joint venture, trust
         or other enterprise against any expense,  liability or loss, whether or
         not the  Corporation  would  have the power to  indemnify  such  person
         against such  expense,  liability  or loss under the  Delaware  General
         Corporation Law.

         Indemnification  of  Employees  and  Agents  of  the  Corporation.  The
         Corporation  may,  to the  extent  authorized  from time to time by the
         board  of  directors,  grant  rights  to  indemnification  and  to  the
         advancement of expenses to any employee or agent of the  Corporation to
         the fullest  extent of the  provisions  of this Article with respect to
         the  indemnification  and  advancement  of  expenses of  directors  and
         officers of the Corporation.

         The directors and officers of the Registrant are covered by a policy of
liability insurance.

Item 7.  Exemption From Registration Claimed.

         Not applicable.

Item 8.  Exhibits.

Exhibit
Number   Description

4.1      Article  4,  Article  6,  Article  8 and  Article  11 of  the  Restated
         Certificate of Incorporation of America Online,  Inc. (filed as part of
         Exhibit 3.1 to America Online, Inc.'s Form 10-K for the year ended June
         30, 1997 and incorporated herein by reference)

4.2      Amendment  of Section A of  Article 4 of the  Restated  Certificate  of
         Incorporation of America Online,  Inc. (filed as Exhibit 3.1 to America
         Online,  Inc.'s  Quarterly  Report on Form 10-Q for the  quarter  ended
         September 30, 1998 and incorporated herein by reference)

4.3      Rights Agreement dated as of May 12, 1998, between America Online, Inc.
         and BankBoston,  N.A., as Rights Agent (filed as Exhibit 4.1 to America
         Online,  Inc.'s  Quarterly  Report on Form 10-Q for the  quarter  ended
         March 31, 1998 and incorporated herein by reference)

4.4      Restated  By-Laws  of America  Online,  Inc.  (filed as Exhibit  3.5 to
         America  Online,  Inc.'s Annual Report on Form 10-K for the fiscal year
         ended June 30, 1998 and incorporated herein by reference)

4.5      Portola Communications, Inc. 1996 Stock Option Plan

5.1      Opinion of Sheila A.  Clark,  Acting  General  Counsel  to the  Company
         (including  the consent of such acting general  counsel)  regarding the
         legality of the securities being offered

23.1     Consent of Ernst & Young LLP

23.2     Consent of Sheila A. Clark  (included  in her opinion  filed as Exhibit
         5.1 and incorporated herein by reference)

24.1     Powers of Attorney  (filed as Exhibit  24.1 to America  Online,  Inc.'s
         Registration  Statement on Form S-8 for the AtWeb, Inc. 1997 Stock Plan
         filed on March 17, 1999 and incorporated herein by reference)

Item 9.  Undertakings.

         (a)      The Registrant hereby undertakes:

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

                           (i)  To include  any  prospectus  required by Section
                                10(a)(3) of the Securities Act of 1933;

                           (ii) To reflect in the prospectus any facts or events
                                arising   after  the   effective   date  of  the
                                registration   statement  (or  the  most  recent
                                post-effective    amendment    thereof)   which,
                                individually  or in the  aggregate,  represent a
                                fundamental  change in the information set forth
                                in the registration  statement.  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  and  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 20 percent  change in the
                                maximum  aggregate  offering  price set forth in
                                the  "Calculation of Registration  Fee" table in
                                the effective registration statement; and

                           (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 (a) (1) (i)
                                and  (a)  (1)   (ii)  do  not   apply   if  this
                                registration  statement is on Form S-3, 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 with or furnished to the Commission by the
                                registrant  pursuant  to  Section  13 or Section
                                15(d)  of the  Securities  Exchange  Act of 1934
                                that  are   incorporated  by  reference  in  the
                                registration statement.

                  (2)      That,  for the purpose of  determining  any liability
                           under  the   Securities   Act  of  1933,   each  such
                           post-effective  amendment shall be deemed to be a new
                           registration  statement  relating  to the  securities
                           offered therein,  and the offering of such securities
                           at that time shall be deemed to be the  initial  bona
                           fide offering thereof.

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

          (b)  The undersigned  Registrant  hereby undertakes that, for purposes
               of  determining  any liability  under the Securities Act of 1933,
               each filing of the Registrant's annual report pursuant to Section
               13(a) or 15(d) of the Securities Exchange Act of 1934 (and, where
               applicable,  each filing of an  employee  benefit  plan's  annual
               report pursuant to Section 15 (d) of the Securities  Exchange Act
               of 1934) 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.

          (c)  Insofar as  indemnification  for  liabilities  arising  under the
               Securities  Act of 1933 may be permitted to  directors,  officers
               and  controlling  persons  of  the  Registrant  pursuant  to  the
               foregoing  provisions,  or  otherwise,  the  Registrant  has been
               advised  that  in the  opinion  of the  Securities  and  Exchange
               Commission  such  indemnification  is  against  public  policy as
               expressed  in the Act and is,  therefore,  unenforceable.  In the
               event that a claim for  indemnification  against such liabilities
               (other than the payment by the Registrant of expenses incurred or
               paid  by  a  director,  officer  or  controlling  person  of  the
               Registrant  in the  successful  defense  of any  action,  suit or
               proceeding) is asserted by such director,  officer or controlling
               person in connection with the securities  being  registered,  the
               Registrant will,  unless in the opinion of its counsel the matter
               has been settled by controlling  precedent,  submit to a court of
               appropriate    jurisdiction    the    question    whether    such
               indemnification  by it is against  public  policy as expressed in
               the Act and will be  governed by the final  adjudication  of such
               issue.

                                   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,  hereunto  duly
authorized,  in the County of Loudoun,  State of  Virginia,  on this 17th day of
March, 1999.

                              AMERICA ONLINE, INC.


                              By:    /s/J.Michael Kelly
                              Name:  J. Michael Kelly
                              Title: Senior Vice President,
                                     Chief Financial Officer,
                                     Treasurer and  Assistant Secretary

         Pursuant  to the  requirements  of the  Securities  Act of  1933,  this
registration  statement  has been signed on the 17th day of March,  1999, by the
following persons in the capacities indicated.


Signature                                   Title


       *                   Chairman of the Board and Chief Executive Officer
Stephen M. Case            (Principal Executive Officer)


       *                   President, Chief Operating Officer and Director
Robert W. Pittman


                           Senior Vice President, Chief Financial Officer, 
/s/J. Michael Kelly        Treasurer and Assistant Secretary 
J. Michael Kelly           (Principal Financial Officer)


       *                   Vice President, Controller, Chief Accounting and 
James F. MacGuidwin        Budget Officer (Principal Accounting Officer)


                            
       *                   Director
Daniel F. Akerson


       *                   Director
Frank J. Caufield


       *                   Director
Alexander M. Haig, Jr.


       *                   Director
William N. Melton


       *                   Director
Thomas Middelhoff


       *                   Director
Colin L. Powell


       *                   Director
Franklin D. Raines

* By: /s/J. Michael Kelly 
      J. Michael Kelly
      Attorney-In-Fact

                                  Exhibit Index

Exhibit
Number   Description   

4.5      Portola Communications, Inc. 1996 Stock Option Plan 

5.1      Opinion of Sheila A.  Clark,  Acting  General  Counsel  to the  Company
         (including  the consent of such acting general  counsel)  regarding the
         legality of the securities being offered

23.1     Consent of Ernst & Young LLP 

23.2     Consent of Sheila A. Clark  (included  in her opinion  filed as Exhibit
         5.1 and incorporated herein by reference) 




                          PORTOLA COMMUNICATIONS, INC.

                             1996 STOCK OPTION PLAN

         1. Establishment, Purpose And Term Of Plan.

         1.1 Establishment.  The Portola Communications,  Inc. 1996 Stock Option
Plan (the  "Plan")  is hereby  established  effective  as of July 22,  1996 (the
"Effective Date").

         1.2 Purpose. The purpose of the Plan is to advance the interests of the
Participating  Company Group and its  shareholders  by providing an incentive to
attract,  retain and reward persons  performing  services for the  Participating
Company  Group and by  motivating  such persons to  contribute to the growth and
profitability of the Participating Company Group.

         1.3 Term Of Plan.  The Plan shall  continue in effect until the earlier
of its  termination by the Board or the date on which all of the shares of Stock
available for issuance under the Plan have been issued and all  restrictions  on
such shares under the terms of the Plan and the  agreements  evidencing  Options
granted under the Plan have lapsed. However, all Options shall be granted, if at
all,  within ten (10) years from the  earlier of the date the Plan is adopted by
the  Board  or the date the Plan is duly  approved  by the  shareholders  of the
Company.

         2.       Definitions And Construction.

         2.1 Definitions.  Whenever used herein,  the following terms shall have
their respective meanings set forth below:

                  (a) "Board"  means the Board of Directors  of the Company.  If
one or more  Committees have been appointed by the Board to administer the Plan,
"Board" also means such Committee(s).

                  (b)  "Code"  means  the  Internal  Revenue  Code of  1986,  as
amended, and any applicable regulations promulgated thereunder.

                  (c)  "Committee"  means the  Compensation  Committee  or other
committee  of the Board duly  appointed to  administer  the Plan and having such
powers as shall be  specified by the Board.  Unless the powers of the  Committee
have been  specifically  limited,  the Committee shall have all of the powers of
the Board granted herein, including,  without limitation,  the power to amend or
terminate  the  Plan at any  time,  subject  to the  terms  of the  Plan and any
applicable limitations imposed by law.

                  (d) "Company" means Portola Communications, Inc., a California
corporation, or any successor corporation thereto.

                  (e)  "Consultant"  means any  person,  including  an  advisor,
engaged by a Participating  Company to render services other than as an Employee
or a Director.

                  (f) "Director"  means a member of the Board or of the board of
directors of any other Participating Company.

                  (g)      "Employee" means any person treated as an employee
                  (including  an officer or a Director who is also treated as an
employee) in the records of a Participating  Company;  provided,  however,  that
neither  service  as a  Director  nor  payment  of a  director's  fee  shall  be
sufficient to constitute employment for purposes of the Plan.

                  (h) "Fair Market Value" means,  as of any date, the value of a
share of stock  or  other  property  as  determined  by the  Board,  in its sole
discretion,  or by the Company, in its sole discretion, if such determination is
expressly allocated to the Company herein.

                  (i)  "Incentive  Stock Option" means an Option  intended to be
(as set forth in the Option Agreement) and which qualifies as an incentive stock
option within the meaning of Section 422(b) of the Code.

                  (j)  "Nonstatutory  Stock Option" means an Option not intended
to be (as set forth in the Option  Agreement)  or which  does not  qualify as an
Incentive Stock Option.

                  (k)  "Option"  means a right to  purchase  Stock  (subject  to
adjustment as provided in Section 4.2)  pursuant to the terms and  conditions of
the Plan.  An Option may be either an Incentive  Stock Option or a  Nonstatutory
Stock Option.

                  (l) "Option  Agreement" means a written  agreement between the
Company and an Optionee setting forth the terms,  conditions and restrictions of
the Option  granted to the  Optionee and any shares  acquired  upon the exercise
thereof.

                  (m) "Optionee" means a person who has been granted one or more
Options.

                  (n) "Parent  Corporation"  means any present or future "parent
corporation" of the Company, as defined in Section 424(e) of the Code.

                  (o)  "Participating  Company"  means the Company or any Parent
Corporation or Subsidiary Corporation.

                  (p) "Participating Company Group" means, at any point in time,
all corporations collectively which are then Participating Companies.

                  (q) "Stock" means the common stock,  without par value, of the
Company, as adjusted from time to time in accordance with Section 4.2.

                  (r)  "Subsidiary  Corporation"  means  any  present  or future
"subsidiary  corporation"  of the Company,  as defined in Section  424(f) of the
Code.

                  (s) "Ten Percent Owner Optionee" means an Optionee who, at the
time an Option is granted to the Optionee,  owns stock  possessing more than ten
percent  (10%) of the total  combined  voting power of all classes of stock of a
Participating Company within the meaning of Section 422(b)(6) of the Code.

         2.2  Construction.   Captions  and  titles  contained  herein  are  for
convenience  only and shall not affect  the  meaning  or  interpretation  of any
provision of the Plan.  Except when  otherwise  indicated  by the  context,  the
singular  shall include the plural,  the plural shall include the singular,  and
the term "or" shall include the conjunctive as well as the disjunctive.

         3.       Administration.

         3.1  Administration By The Board. The Plan shall be administered by the
Board,  including any duly  appointed  Committee of the Board.  All questions of
interpretation  of the Plan or of any Option shall be  determined  by the Board,
and such  determinations  shall be final and binding upon all persons  having an
interest  in the Plan or such  Option.  Any officer of a  Participating  Company
shall have the  authority  to act on behalf of the Company  with  respect to any
matter, right, obligation, determination or election which is the responsibility
of or which is  allocated  to the  Company  herein,  provided  the  officer  has
apparent authority with respect to such matter, right, obligation, determination
or election.

         3.2 Powers Of The Board.  In addition to any other  powers set forth in
the Plan and  subject to the  provisions  of the Plan,  the Board shall have the
full and final power and authority, in its sole discretion:

                  (a) to determine the persons to whom, and the time or times at
which,  Options shall be granted and the number of shares of Stock to be subject
to each Option;

                  (b)  to  designate  Options  as  Incentive  Stock  Options  or
Nonstatutory Stock Options;

                  (c) to  determine  the Fair Market Value of shares of Stock or
other property;

                  (d)  to  determine  the  terms,  conditions  and  restrictions
applicable to each Option (which need not be identical) and any shares  acquired
upon the exercise thereof, including, without limitation, (i) the exercise price
of the Option, (ii) the method of payment for shares purchased upon the exercise
of the  Option,  (iii)  the  method  for  satisfaction  of any  tax  withholding
obligation  arising in connection  with the Option or such shares,  including by
the  withholding  or  delivery of shares of stock,  (iv) the  timing,  terms and
conditions  of the  exercisability  of the  Option or the  vesting of any shares
acquired  upon  the  exercise  thereof,  (v) the time of the  expiration  of the
Option,  (vi) the effect of the Optionee's  termination of employment or service
with the  Participating  Company  Group on any of the  foregoing,  and (vii) all
other terms, conditions and restrictions applicable to the Option or such shares
not inconsistent with the terms of the Plan;

                  (e)      to approve one or more forms of Option Agreement;

                  (f) to amend, modify,  extend, or renew, or grant a new Option
in  substitution  for,  any Option or to waive any  restrictions  or  conditions
applicable to any Option or any shares acquired upon the exercise thereof;

                  (g)   to   accelerate,   continue,   extend   or   defer   the
exercisability  of any Option or the  vesting of any  shares  acquired  upon the
exercise  thereof,  including with respect to the period following an Optionee's
termination of employment or service with the Participating Company Group;

                  (h) to  prescribe,  amend or  rescind  rules,  guidelines  and
policies  relating  to the Plan,  or to adopt  supplements  to,  or  alternative
versions  of,  the Plan,  including,  without  limitation,  as the  Board  deems
necessary  or desirable  to comply with the laws of, or to  accommodate  the tax
policy or  custom  of,  foreign  jurisdictions  whose  citizens  may be  granted
Options; and

                  (i) to correct any defect,  supply any  omission or  reconcile
any  inconsistency  in the Plan or any  Option  Agreement  and to make all other
determinations  and take such  other  actions  with  respect  to the Plan or any
Option as the Board may deem  advisable to the extent  consistent  with the Plan
and applicable law.

         4.       Shares Subject To Plan.

         4.1  Maximum  Number Of  Shares  Issuable.  Subject  to  adjustment  as
provided in Section  4.2, the maximum  aggregate  number of shares of Stock that
may be issued under the Plan shall be Three  Million Five Hundred Five  Thousand
(3,505,000) and shall consist of authorized but unissued or reacquired shares of
Stock or any  combination  thereof.  If an  outstanding  Option  for any  reason
expires or is  terminated  or canceled or shares of Stock  acquired,  subject to
repurchase,  upon the exercise of an Option are repurchased by the Company,  the
shares of Stock  allocable to the  unexercised  portion of such Option,  or such
repurchased  shares of Stock,  shall again be available  for issuance  under the
Plan.

         4.2 Adjustments For Changes In Capital  Structure.  In the event of any
stock dividend, stock split, reverse stock split, recapitalization, combination,
reclassification  or similar  change in the capital  structure  of the  Company,
appropriate  adjustments shall be made in the number and class of shares subject
to the Plan and to any  outstanding  Options and in the exercise price per share
of any  outstanding  Options.  If a majority of the shares which are of the same
class as the shares that are subject to  outstanding  Options are exchanged for,
converted  into,  or otherwise  become  (whether or not pursuant to an Ownership
Change Event, as defined in Section 8.1) shares of another corporation (the "NEW
SHARES"),  the Board may unilaterally  amend the outstanding  Options to provide
that such  Options  are  exercisable  for New  Shares.  In the event of any such
amendment, the number of shares subject to, and the exercise price per share of,
the  outstanding  Options  shall be adjusted in a fair and  equitable  manner as
determined by the Board, in its sole discretion.  Notwithstanding the foregoing,
any fractional  share resulting from an adjustment  pursuant to this Section 4.2
shall be rounded up or down to the nearest  whole  number,  as determined by the
Board,  and in no event may the exercise  price of any Option be decreased to an
amount less than the par value, if any, of the stock subject to the Option.  The
adjustments determined by the Board pursuant to this Section 4.2 shall be final,
binding and conclusive.

         5.       Eligibility And Option Limitations.

         5.1  Persons  Eligible  For  Options.  Options  may be granted  only to
Employees,  Consultants,  and Directors. For purposes of the foregoing sentence,
"Employees" shall include  prospective  Employees to whom Options are granted in
connection  with written  offers of employment  with the  Participating  Company
Group, and "Consultants" shall include  prospective  Consultants to whom Options
are  granted  in  connection   with  written  offers  of  engagement   with  the
Participating  Company Group.  Eligible persons may be granted more than one (1)
Option.

         5.2 Option Grant Restrictions. Any person who is not an Employee on the
effective  date of the grant of an Option to such  person may be granted  only a
Nonstatutory  Stock Option.  An Incentive  Stock Option granted to a prospective
Employee upon the condition  that such person become an Employee shall be deemed
granted effective on the date such person commences service with a Participating
Company,  with an exercise price  determined as of such date in accordance  with
Section 6.1.

         5.3 Fair Market Value Limitation. To the extent that the aggregate Fair
Market  Value of stock with  respect to which  options  designated  as Incentive
Stock  Options  are  exercisable  by an  Optionee  for the first time during any
calendar year (under all stock option plans of the Participating  Company Group,
including the Plan) exceeds One Hundred Thousand Dollars ($100,000), the portion
of such options which exceeds such amount shall be treated as Nonstatutory Stock
Options. For purposes of this Section 5.3, options designated as Incentive Stock
Options shall be taken into account in the order in which they were granted, and
the Fair  Market  Value of stock shall be  determined  as of the time the option
with  respect to such stock is granted.  If the Code is amended to provide for a
different  limitation  from that set forth in this Section 5.3,  such  different
limitation shall be deemed incorporated herein effective as of the date and with
respect to such Options as required or permitted by such  amendment to the Code.
If an  Option  is  treated  as an  Incentive  Stock  Option  in  part  and  as a
Nonstatutory  Stock Option in part by reason of the limitation set forth in this
Section  5.3,  the  Optionee  may  designate  which  portion of such  Option the
Optionee is exercising and may request that separate  certificates  representing
each such portion be issued upon the  exercise of the Option.  In the absence of
such  designation,  the Optionee shall be deemed to have exercised the Incentive
Stock Option portion of the Option first.

         6. Terms And Conditions Of Option. Options shall be evidenced by Option
Agreements  specifying  the number of shares of Stock covered  thereby,  in such
form as the Board  shall  from time to time  establish.  Option  Agreements  may
incorporate  all or any of the terms of the Plan by  reference  and shall comply
with and be subject to the following terms and conditions:

         6.1  Exercise  Price.  The  exercise  price  for each  Option  shall be
established in the sole discretion of the Board; provided, however, that (a) the
exercise  price per share for an  Incentive  Stock Option shall be not less than
the Fair Market Value of a share of Stock on the effective  date of grant of the
Option,  (b) the exercise price per share for a Nonstatutory  Stock Option shall
be not less than  eighty-five  percent (85%) of the Fair Market Value of a share
of Stock on the effective date of grant of the Option, and (c) no Option granted
to a Ten Percent Owner Optionee shall have an exercise price per share less than
one hundred ten percent  (110%) of the Fair Market  Value of a share of Stock on
the effective date of grant of the Option.  Notwithstanding  the  foregoing,  an
Option (whether an Incentive Stock Option or a Nonstatutory Stock Option) may be
granted with an exercise  price lower than the minimum  exercise price set forth
above if such Option is granted  pursuant to an assumption or  substitution  for
another option in a manner  qualifying under the provisions of Section 424(a) of
the Code.

         6.2  Exercise  Period.  Options  shall be  exercisable  at such time or
times,  or upon such event or events,  and  subject to such  terms,  conditions,
performance  criteria,  and restrictions as shall be determined by the Board and
set forth in the Option  Agreement  evidencing such Option;  provided,  however,
that (a) no Option shall be  exercisable  after the expiration of ten (10) years
after the effective date of grant of such Option,  (b) no Incentive Stock Option
granted  to a  Ten  Percent  Owner  Optionee  shall  be  exercisable  after  the
expiration  of five (5) years after the  effective  date of grant of such Option
and (C) no Option granted to prospective Employee or prospective  Consultant may
become exercisable prior to the date on which such person commences service with
a Participating Company.

         6.3      Payment Of Exercise Price.

                  (a) Forms Of  Consideration  Authorized.  Except as  otherwise
         provided below,  payment of the exercise price for the number of shares
         of Stock being  purchased  pursuant to any Option  shall be made (i) in
         cash, by check,  or cash  equivalent,  (ii) by tender to the Company of
         shares of Stock owned by the  Optionee  having a Fair Market  Value (as
         determined  by  the  Company  without  regard  to any  restrictions  on
         transferability  applicable to such stock by reason of federal or state
         securities  laws or agreements with an underwriter for the Company) not
         less than the exercise  price,  (iii) by the assignment of the proceeds
         of a sale or loan  with  respect  to  some or all of the  shares  being
         acquired   upon  the  exercise  of  the  Option   (including,   without
         limitation,  through  an  exercise  complying  with the  provisions  of
         Regulation T as promulgated from time to time by the Board of Governors
         of the Federal  Reserve  System) (a "CASHLESS  EXERCISE"),  (iv) by the
         Optionee's  promissory  note in a form approved by the Company,  (v) by
         such other  consideration  as may be approved by the Board from time to
         time  to the  extent  permitted  by  applicable  law,  or  (vi)  by any
         combination thereof. The Board may at any time or from time to time, by
         adoption of or by amendment to the standard  forms of Option  Agreement
         described in Section 7, or by other means,  grant  Options which do not
         permit  all of the  foregoing  forms  of  consideration  to be  used in
         payment of the exercise price or which  otherwise  restrict one or more
         forms of consideration.

                  (b) Tender Of Stock.  Notwithstanding the foregoing, an Option
         may not be exercised by tender to the Company of shares of Stock to the
         extent  such  tender  of Stock  would  constitute  a  violation  of the
         provisions  of  any  law,  regulation  or  agreement   restricting  the
         redemption of the Company's  stock.  Unless  otherwise  provided by the
         Board,  an Option  may not be  exercised  by tender to the  Company  of
         shares of Stock  unless  such  shares  either  have  been  owned by the
         Optionee for more than six (6) months or were not acquired, directly or
         indirectly, from the Company.

                  (c) Cashless  Exercise.  The Company reserves,  at any and all
         times,  the right,  in the Company's sole and absolute  discretion,  to
         establish,  decline to approve or terminate  any program or  procedures
         for the exercise of Options by means of a Cashless Exercise.

                  (d) Payment By Promissory  Note.  No promissory  note shall be
         permitted if the exercise of an Option using a promissory note would be
         a violation of any law. Any permitted  promissory note shall be on such
         terms as the Board shall  determine  at the time the Option is granted.
         The Board shall have the authority to permit or require the Optionee to
         secure any  promissory  note used to exercise an Option with the shares
         of Stock  acquired  upon  the  exercise  of the  Option  or with  other
         collateral acceptable to the Company.  Unless otherwise provided by the
         Board,  if the  Company  at any  time  is  subject  to the  regulations
         promulgated by the Board of Governors of the Federal  Reserve System or
         any other  governmental  entity  affecting  the  extension of credit in
         connection  with the Company's  securities,  any promissory  note shall
         comply with such applicable regulations, and the Optionee shall pay the
         unpaid principal and accrued interest,  if any, to the extent necessary
         to comply with such applicable regulations.

         6.4 Tax  Withholding.  The  Company  shall have the right,  but not the
obligation,  to deduct from the shares of Stock issuable upon the exercise of an
Option,  or to accept from the  Optionee the tender of, a number of whole shares
of Stock having a Fair Market Value, as determined by the Company,  equal to all
or any part of the federal,  state, local and foreign taxes, if any, required by
law to be  withheld  by the  Participating  Company  Group with  respect to such
Option or the shares  acquired upon the exercise  thereof.  Alternatively  or in
addition,  in its sole  discretion,  the Company shall have the right to require
the Optionee, through payroll withholding, cash payment or otherwise,  including
by means of a Cashless  Exercise,  to make  adequate  provision for any such tax
withholding obligations of the Participating Company Group arising in connection
with the Option or the shares  acquired upon the exercise  thereof.  The Company
shall  have no  obligation  to deliver  shares of Stock or to release  shares of
Stock from an escrow  established  pursuant  to the Option  Agreement  until the
Participating Company Group's tax withholding obligations have been satisfied by
the Optionee.

         6.5 Repurchase Rights. Shares issued under the Plan may be subject to a
right of first refusal,  one or more repurchase options, or other conditions and
restrictions  as determined by the Board in its sole  discretion at the time the
Option is granted.  The  Company  shall have the right to assign at any time any
repurchase right it may have, whether or not such right is then exercisable,  to
one or more  persons as may be  selected  by the  Company.  Upon  request by the
Company,  each Optionee  shall execute any  agreement  evidencing  such transfer
restrictions  prior to the  receipt  of  shares  of Stock  hereunder  and  shall
promptly present to the Company any and all certificates  representing shares of
Stock acquired  hereunder for the placement on such  certificates of appropriate
legends evidencing any such transfer restrictions.

         7.       Standard Forms Of Option Agreement.

         7.1 Incentive Stock Options.  Unless otherwise provided by the Board at
the time the Option is granted,  an Option  designated  as an  "Incentive  Stock
Option" shall comply with and be Subject to the terms and  conditions  set forth
in the form of Immediately  Exercisable Incentive Stock Option Agreement adopted
by the Board concurrently with its adoption of the Plan and as amended from time
to time.

         7.2 Nonstatutory Stock Options.  Unless otherwise provided by the Board
at the time the Option is granted, an Option designated as a "Nonstatutory Stock
Option" shall comply with and be subject to the terms and  conditions  set forth
in the form of  Immediately  Exercisable  Nonstatutory  Stock  Option  Agreement
adopted by the Board  concurrently  with its adoption of the Plan and as amended
from time to time.

         7.3 Standard Term Of Options.  Except as otherwise  provided in Section
6.2 or by the Board in the grant of an  Option,  any  Option  granted  hereunder
shall  have a term of ten (10)  years  from the  effective  date of grant of the
Option.

         7.4 Authority To Vary Terms.  The Board shall have the  authority  from
time to time to vary the terms of any of the standard forms of Option  Agreement
described in this Section 7 either in connection  with the grant or amendment of
an individual  Option or in connection with the  authorization of a new standard
form or forms; provided, however, that the terms and conditions of any such new,
revised  or  amended  standard  form or forms of  Option  Agreement  shall be in
accordance with the terms of the Plan. Such authority shall include,  but not by
way of  limitation,  the authority to grant  Options  which are not  immediately
exercisable.

         8.       Transfer Of Control.

         8.1      Definitions.

         (a) An "Ownership Change Event" shall be deemed to have occurred if any
of the following occurs with respect to the Company:

                  (i) the direct or  indirect  sale or  exchange  in a single or
series of related  transactions by the  shareholders of the Company of more than
fifty percent (50%) of the voting stock of the Company;

                  (ii) a merger  or  consolidation  in which  the  Company  is a
party;

                  (iii) the sale, exchange,  or transfer of all or substantially
all of the assets of the Company; or

                  (iv) a liquidation or dissolution of the Company.

         (b) A "Transfer Of Control"  shall mean an Ownership  Change Event or a
series of related  Ownership  Change Events  (collectively,  the  "Transaction")
wherein the  shareholders of the Company  immediately  before the Transaction do
not  retain  immediately  after  the  Transaction,  in  substantially  the  same
proportions  as  their  ownership  of  shares  of  the  Company's  voting  stock
immediately before the Transaction,  direct or indirect beneficial  ownership of
more  than  fifty  percent  (50%)  of the  total  combined  voting  power of the
outstanding  voting stock of the Company or the  corporation or  corporations to
which  the   assets  of  the   Company   were   transferred   (the   "Transferee
Corporation(s)"),  as the case may be. For purposes of the  preceding  sentence,
indirect beneficial  ownership shall include,  without  limitation,  an interest
resulting from ownership of the voting stock of one or more corporations  which,
as  a  result  of  the   Transaction,   own  the   Company  or  the   Transferee
Corporation(s),  as the case may be,  either  directly  or  through  one or more
subsidiary  corporations.  The Board shall have the right to  determine  whether
multiple  sales or  exchanges  of the voting  stock of the  Company or  multiple
Ownership  Change  Events are  related,  and its  determination  shall be final,
binding and conclusive.

         8.2  Effect  Of  Transfer  Of  Control  On  Options.  In the event of a
Transfer  of  Control,  the  surviving,  continuing,  successor,  or  purchasing
corporation or parent  corporation  thereof,  as the case may be (the "Acquiring
Corporation"),  may either assume the  Company's  rights and  obligations  under
outstanding  Options  or  substitute  for  outstanding   Options   substantially
equivalent options for the Acquiring  Corporation's stock. Any Options which are
neither  assumed or substituted  for by the Acquiring  Corporation in connection
with the  Transfer of Control nor  exercised  as of the date of the  Transfer of
Control shall terminate and cease to be outstanding  effective as of the date of
the Transfer of Control.  Notwithstanding  the foregoing,  shares  acquired upon
exercise of an Option  prior to the  Transfer  of Control and any  consideration
received  pursuant to the  Transfer of Control with respect to such shares shall
continue  to be subject to all  applicable  provisions  of the Option  Agreement
evidencing  such Option except as otherwise  provided in such Option  Agreement.
Furthermore,  notwithstanding  the foregoing,  if the  corporation  the stock of
which is subject to the outstanding  Options  immediately  prior to an Ownership
Change Event described in Section  8.1(a)(i)  constituting a Transfer of Control
is the surviving or continuing  corporation and immediately after such Ownership
Change Event less than fifty percent (50%) of the total combined voting power of
its voting stock is held by another  corporation or by other  corporations  that
are members of an affiliated  group within the meaning of Section 1504(a) of the
Code  without  regard to the  provisions  of Section  1504(b)  of the Code,  the
outstanding  Options shall not terminate unless the Board otherwise  provides in
its sole discretion.

         9. Provision Of Information. At least annually, copies of the Company's
balance sheet and income  statement for the just completed  fiscal year shall be
made  available  to each  Optionee  and  purchaser  of shares of Stock  upon the
exercise  of an Option.  The  Company  shall not be  required  to  provide  such
information  to persons whose duties in connection  with the Company assure them
access to equivalent information.

         10. Nontransferability Of Options. During the lifetime of the Optionee,
an Option shall be exercisable  only by the Optionee or the Optionee's  guardian
or legal  representative.  No Option shall be assignable or  transferable by the
Optionee, except by will or by the laws of descent and distribution.

         11.  Transfer  Of  Company's  Rights.  In the event  any  Participating
Company assigns,  other than by operation of law, to a third person,  other than
another  Participating  Company,  any of the  Participating  Company's rights to
repurchase  any shares of Stock  acquired  upon the  exercise of an Option,  the
assignee  shall pay to the  assigning  Participating  Company  the value of such
right as  determined  by the  Company in the  Company's  sole  discretion.  Such
consideration  shall be paid in cash.  In the  event  such  repurchase  right is
exercisable at the time of such assignment, the value of such right shall be not
less than the Fair Market Value of the shares of Stock which may be  repurchased
under such right (as determined by the Company)  minus the  repurchase  price of
such  shares.  The  requirements  of  this  Section  11  regarding  the  minimum
consideration  to be received by the assigning  Participating  Company shall not
inure  to  the  benefit  of  the  Optionee  whose  shares  of  Stock  are  being
repurchased. Failure of a Participating Company to comply with the provisions of
this Section 11 shall not constitute a defense or otherwise prevent the exercise
of the repurchase right by the assignee of such right.

         12.   Indemnification.   In   addition   to  such   other   rights   of
indemnification  as they  may  have as  members  of the  Board  or  officers  or
employees  of the  Participating  Company  Group,  members  of the Board and any
officers or employees of the  Participating  Company Group to whom  authority to
act for the Board is delegated  shall be indemnified by the Company  against all
reasonable  expenses,   including  attorneys'  fees,  actually  and  necessarily
incurred in connection with the defense of any action, suit or proceeding, or in
connection with any appeal therein,  to which they or any of them may be a party
by reason of any action taken or failure to act under or in connection  with the
Plan,  or any right granted  hereunder,  and against all amounts paid by them in
settlement  thereof  (provided such settlement is approved by independent  legal
counsel  selected by the Company) or paid by them in  satisfaction of a judgment
in any such  action,  suit or  proceeding,  except in  relation to matters as to
which it shall be adjudged in such action,  suit or proceeding  that such person
is liable for gross negligence,  bad faith or intentional  misconduct in duties;
provided,  however,  that within sixty (60) days after the  institution  of such
action, suit or proceeding,  such person shall offer to the Company, in writing,
the opportunity at its own expense to handle and defend the same.

         13.  Termination Or Amendment Of Plan. The Board may terminate or amend
the Plan at any time.  However,  subject to  changes  in the law or other  legal
requirements that would permit otherwise,  without the approval of the Company's
shareholders,  there shall be (a) no increase in the maximum aggregate number of
shares of Stock that may be issued  under the Plan  (except by  operation of the
provisions  of Section 4.2),  (b) no change in the class of persons  eligible to
receive  Incentive Stock Options,  and (c ) no expansion in the class of persons
eligible to receive  Nonstatutory Stock Options. In any event, no termination or
amendment of the Plan may adversely  affect any then  outstanding  Option or any
unexercised  portion thereof,  without the consent of the Optionee,  unless such
termination  or  amendment  is  required  to enable an Option  designated  as an
Incentive  Stock Option to qualify as an Incentive  Stock Option or is necessary
to comply with any applicable law or government regulation.

         14.  Shareholder  Approval.  The Plan or any  increase  in the  maximum
number of shares of Stock  issuable  thereunder  as provided in Section 4.1 (the
"Maximum  Shares") shall be approved by the  shareholders  of the Company within
twelve (12) months of the date of adoption thereof by the Board. Options granted
prior to  shareholder  approval of the Plan or in excess of the  Maximum  Shares
previously approved by the shareholders shall become exercisable no earlier than
the date of  shareholder  approval  of the Plan or such  increase in the Maximum
Shares, as the case may be.

         IN WITNESS WHEREOF, the undersigned  Secretary of the Company certifies
that the foregoing Portola Communications,  Inc. 1996 Stock Option Plan was duly
adopted by the Board on July 22,  1996,  as amended on September  16, 1996,  and
September __, 1996.
                                                                      
                                                     Secretary

                         PLAN HISTORY

July 22, 1996            Board adopts Plan, with an initial reserve of 1,400,000
                         shares.

_______, 1996            Shareholders approve Plan, with an initial reserve of
                         1,400,000 shares.

September 16, 1996       Board authorizes an increase in the share reserve of 
                         105,000 for a total of 1,505,000

September __, 1996       Board authorizes an increase in the share reserve of 
                         2,000,000 for a total of 3,505,000

September __, 1996       Shareholders approve increase in the share reserve of 
                         2,105,000 for a total of 3,505,000


                                STANDARD FORM OF

                          PORTOLA COMMUNICATIONS, INC.

                             IMMEDIATELY EXERCISABLE

                        INCENTIVE STOCK OPTION AGREEMENT

THE  SECURITIES  WHICH ARE THE SUBJECT OF THIS AGREEMENT HAVE NOT BEEN QUALIFIED
WITH  THE  COMMISSIONER  OF  CORPORATIONS  OF THE  STATE OF  CALIFORNIA  AND THE
ISSUANCE  OF SUCH  SECURITIES  OR THE  PAYMENT  OR  RECEIPT  OF ANY  PART OF THE
CONSIDERATION THEREFOR PRIOR TO SUCH QUALIFICATION IS UNLAWFUL,  UNLESS THE SALE
OF SECURITIES IS EXEMPT FROM QUALIFICATION BY SECTION 25100,  25102, OR 25105 OF
THE  CALIFORNIA  CORPORATIONS  CODE. THE RIGHTS OF ALL PARTIES TO THIS AGREEMENT
ARE EXPRESSLY  CONDITIONED UPON SUCH  QUALIFICATION  BEING OBTAINED,  UNLESS THE
SALE IS SO EXEMPT.

THE SECURITY  REPRESENTED BY THIS  CERTIFICATE  HAS BEEN ACQUIRED FOR INVESTMENT
AND NOT WITH A VIEW TO, OR IN CONNECTION WITH, THE SALE OR DISTRIBUTION THEREOF.
NO SUCH SALE OR DISPOSITION  MAY BE EFFECTED  WITHOUT AN EFFECTIVE  REGISTRATION
STATEMENT  RELATED THERETO OR AN OPINION OF COUNSEL  SATISFACTORY TO THE COMPANY
THAT SUCH REGISTRATION IS NOT REQUIRED UNDER THE SECURITIES ACT OF 1933.

                          PORTOLA COMMUNICATIONS, INC.

                             IMMEDIATELY EXERCISABLE

                        INCENTIVE STOCK OPTION AGREEMENT

         THIS  IMMEDIATELY  EXERCISABLE  INCENTIVE  STOCK OPTION  AGREEMENT (the
"OPTION  AGREEMENT")  is made and entered into as of  _________,  199__,  by and
between Portola Communications, Inc. and ______________ (the "OPTIONEE").

         The  Company  has  granted  to the  Optionee  pursuant  to the  Portola
Communications,  Inc.  1996 Stock Option Plan (the "PLAN") an option to purchase
certain shares of Stock,  upon the terms and conditions set forth in this Option
Agreement  (the  "OPTION").  The Option  shall in all respects be subject to the
terms and  conditions  of the Plan,  the  provisions  of which are  incorporated
herein by reference.

1.       DEFINITIONS AND CONSTRUCTION.

         1.1 DEFINITIONS.  Unless otherwise  defined herein,  capitalized  terms
shall  have the  meanings  assigned  to such  terms in the Plan.  Whenever  used
herein,  the  following  terms shall have their  respective  meanings  set forth
below:

                  (a)  "DATE OF OPTION GRANT" means ___________________, 199__.

                  (b)  "NUMBER  OF OPTION  SHARES"  means  __________  shares of
Stock, as adjusted from time to time pursuant to Section 9.

                  (c) "EXCHANGE ACT" means the Securities  Exchange Act of 1934,
as amended.

                  (d) "EXERCISE PRICE" means $__________ per share of Stock, as 
adjusted from time to time pursuant to Section 9.

                  (e) "INITIAL EXERCISE DATE" means the Date of Option Grant.

                  (f) "INITIAL  VESTING  DATE" means the date  occurring one (1)
year after (check one):

                       __   the Date of Option Grant.

                       __   __________, 199__, the date the Optionee's Service
                       commenced.

                  (g) "VESTED  RATIO"  means,  on any relevant  date,  the ratio
determined as follows:

                                                               Vested Ratio
        Prior to Initial Vesting Date                                0

        On Initial  Vesting  Date,  provided  the  Optionee's
        Service is  continuous  from the Date of Option Grant
        until the Initial
        Vesting Date                                                 1/4

        Plus

        For  each  full  month of the  Optionee's  continuous
        Service  from the  Initial  Vesting  Date  until  the
        Vested Ratio equals
        1/1, an additional                                           1/48

                  (h)  "OPTION  EXPIRATION  DATE"  means the date ten (10) years
after the Date of Option Grant.

                  (i) "COMPANY" means Portola Communications, Inc., a California
corporation, or any successor corporation thereto.

                  (j) "DISABILITY"  means the inability of the Optionee,  in the
opinion of a qualified physician acceptable to the Company, to perform the major
duties of the Optionee's  position with the Participating  Company Group because
of the sickness or injury of the Optionee.

                  (k)  "SECURITIES  ACT" means the  Securities  Act of 1933,  as
amended.

                  (l) "SERVICE" means the Optionee's  employment or service with
the  Participating  Company  Group,  whether in the capacity of an  Employee,  a
Director or a  Consultant.  The  Optionee's  Service shall not be deemed to have
terminated  merely  because of a change in the  capacity  in which the  Optionee
renders  Service  to  the  Participating  Company  Group  or  a  change  in  the
Participating Company for which the Optionee renders such Service, provided that
there  is  no  interruption  or  termination  of  the  Optionee's  Service.  The
Optionee's  Service  shall be deemed to have  terminated  either  upon an actual
termination of Service or upon the corporation  for which the Optionee  performs
Service ceasing to be a  Participating  Company.  Subject to the foregoing,  the
Company, in its sole discretion,  shall determine whether the Optionee's Service
has terminated and the effective date of such termination.  (NOTE: If the Option
is  exercised  more than three (3) months  after the date on which the  Optionee
ceased to be an Employee (other than by reason of death or a permanent and total
disability  as defined  in Section  22(e)(3)  of the Code),  the Option  will be
treated as a Nonstatutory  Stock Option and not as an Incentive  Stock Option to
the extent required by Section 422 of the Code.)

                  1.2 CONSTRUCTION. Captions and titles contained herein are for
convenience  only and shall not affect  the  meaning  or  interpretation  of any
provision  of this Option  Agreement.  Except when  otherwise  indicated  by the
context,  the singular  shall  include the plural,  the plural shall include the
singular,  and the  term  "or"  shall  include  the  conjunctive  as well as the
disjunctive.

2.       TAX CONSEQUENCES.

         2.1      TAX STATUS OF OPTION.  This Option is intended to be an
Incentive Stock Option within the meaning of Section 422(b) of the Code, but the
Company does not  represent or warrant that this Option  qualifies as such.  The
Optionee  should consult with the  Optionee's own tax advisor  regarding the tax
effects of this Option and the requirements necessary to obtain favorable income
tax  treatment  under  Section 422 of the Code,  including,  but not limited to,
holding  period  requirements.  (NOTE:  If the aggregate  Exercise  Price of the
Option (that is, the Exercise  Price  multiplied by the Number of Option Shares)
plus the aggregate  exercise price of any other  Incentive Stock Options held by
the  Optionee  (whether  granted  pursuant to the Plan or any other stock option
plan of the  Participating  Company Group) is greater than One Hundred  Thousand
Dollars  ($100,000),  the Optionee should contact the Chief Financial Officer of
the Company to  ascertain  whether the entire  Option  qualifies as an Incentive
Stock Option.)

         2.2 ELECTION UNDER SECTION 83(b) OF THE CODE. If the Optionee exercises
this  Option to  purchase  shares  of Stock  that are both  nontransferable  and
subject to a substantial risk of forfeiture,  the Optionee  understands that the
Optionee   should  consult  with  the  Optionee's  tax  advisor   regarding  the
advisability  of filing with the  Internal  Revenue  Service an  election  under
Section  83(b) of the Code,  which must be filed no later than  thirty (30) days
after the date on which the Optionee exercises the Option.  Shares acquired upon
exercise of the Option are  nontransferable and subject to a substantial risk of
forfeiture if, for example,  (a) they are unvested and are subject to a right of
the Company to repurchase such shares at the Optionee's  original purchase price
if the  Optionee's  Service  terminates,  or (b) the  Optionee  is  subject to a
restriction on transfer to comply with "Pooling-of-Interests  Accounting" rules.
Failure to file an election under Section 83(b), if  appropriate,  may result in
adverse tax  consequences to the Optionee.  The Optionee  acknowledges  that the
Optionee has been advised to consult with a tax advisor prior to the exercise of
the Option regarding the tax consequences to the Optionee of the exercise of the
Option.  AN ELECTION  UNDER SECTION 83(b) MUST BE FILED WITHIN 30 DAYS AFTER THE
DATE ON WHICH  THE  OPTIONEE  PURCHASES  SHARES.  THIS  TIME  PERIOD  CANNOT  BE
EXTENDED.  THE  OPTIONEE  ACKNOWLEDGES  THAT  TIMELY  FILING OF A SECTION  83(b)
ELECTION IS THE OPTIONEE'S SOLE  RESPONSIBILITY,  EVEN IF THE OPTIONEE  REQUESTS
THE COMPANY OR ITS REPRESENTATIVE TO FILE SUCH ELECTION ON HIS OR HER BEHALF.

3.       ADMINISTRATION.  All questions of interpretation concerning this
Option Agreement shall be determined by the Board,  including any duly appointed
Committee  of the  Board.  All  determinations  by the Board  shall be final and
binding  upon all persons  having an  interest  in the Option.  Any officer of a
Participating  Company  shall have the authority to act on behalf of the Company
with  respect  to any  matter,  right,  obligation,  or  election  which  is the
responsibility  of or which is  allocated  to the Company  herein,  provided the
officer has apparent authority with respect to such matter,  right,  obligation,
or election.

4.       EXERCISE OF THE OPTION.

         4.1      RIGHT TO EXERCISE.

                  (a) Except as otherwise  provided herein,  the Option shall be
exercisable on and after the Initial  Exercise Date and prior to the termination
of the Option (as  provided  in Section 6) in an amount not to exceed the Number
of Option Shares less the number of shares previously  acquired upon exercise of
the Option,  subject to the Optionee's  agreement that any shares purchased upon
exercise are subject to the Company's  repurchase rights set forth in Section 11
and Section 12.  Notwithstanding  the  foregoing,  except as provided in Section
4.1(b),  the aggregate  Fair Market Value of the shares of Stock with respect to
which the  Optionee  may  exercise  the  Option  for the first  time  during any
calendar  year,  when added to the  aggregate  Fair  Market  Value of the shares
subject to any other options  designated as Incentive  Stock Options  granted to
the Optionee  under all stock option plans of the  Participating  Company  Group
prior to the Date of  Option  Grant  with  respect  to which  such  options  are
exercisable  for the first time during the same calendar year,  shall not exceed
One Hundred Thousand Dollars ($100,000). For purposes of the preceding sentence,
options designated as Incentive Stock Options shall be taken into account in the
order in which they were  granted,  and the Fair Market Value of shares of stock
shall be  determined  as of the time the option  with  respect to such shares is
granted.  Such  limitation  on  exercise  shall be  referred  to in this  Option
Agreement  as the  "ISO  EXERCISE  LIMITATION."  If  Section  422 of the Code is
amended  to  provide  for a  different  limitation  from  that set forth in this
Section 4.1(a), the ISO Exercise Limitation shall be deemed amended effective as
of the date  required  or  permitted  by such  amendment  to the  Code.  The ISO
Exercise  Limitation  shall  terminate  upon the  earlier of (i) the  Optionee's
termination of Service,  (ii) the day immediately prior to the effective date of
a Transfer of Control in which the Option is not assumed or  substituted  for by
the  Acquiring  Corporation  as provided in Section 8, or (iii) the day ten (10)
days prior to the  Option  Expiration  Date.  Upon such  termination  of the ISO
Exercise  Limitation,  the Option shall be deemed a Nonstatutory Stock Option to
the extent of the number of shares  subject to the Option which would  otherwise
exceed the ISO Exercise Limitation.

         (b)  Notwithstanding  any other provision of this Option Agreement,  if
compliance with the ISO Exercise  Limitation as set forth in Section 4.1(a) will
result in the  exercisability  of any Vested Shares (as defined in Section 11.2)
being  delayed  more than thirty  (30) days  beyond the date such shares  become
Vested  Shares (the  "VESTING  DATE"),  the Option shall be deemed to be two (2)
options.  The first  option  shall be for the  maximum  portion of the Number of
Option Shares that can comply with the ISO Exercise  Limitation  without causing
the  Option to be  unexercisable  in the  aggregate  as to Vested  Shares on the
Vesting Date for such shares.  The second option,  which shall not be treated as
an Incentive  Stock Option as described in section 422(b) of the Code,  shall be
for the  balance  of the Number of Option  Shares;  that is,  those such  shares
which, on the respective Vesting Date for such shares, would be unexercisable if
included  in the first  option and  thereby  made  subject  to the ISO  Exercise
Limitation.  Shares treated as subject to the second option shall be exercisable
on the same  terms and at the same time as set forth in this  Option  Agreement;
provided,  however,  that (i) the second  sentence of Section  4.1(a)  shall not
apply to the second  option and (ii) each such share shall become a Vested Share
on the  Vesting  Date such share must first be  allocated  to the second  option
pursuant to the preceding sentence.  Unless the Optionee  specifically elects to
the contrary in the  Optionee's  written  notice of  exercise,  the first option
shall be deemed to be exercised  first to the maximum  possible  extent and then
the second option shall be deemed to be exercised.

         4.2 METHOD OF  EXERCISE.  Exercise  of the  Option  shall be by written
notice to the Company which must state the election to exercise the Option,  the
number of whole shares of Stock for which the Option is being exercised and such
other representations and agreements as to the Optionee's investment intent with
respect to such shares as may be required  pursuant  to the  provisions  of this
Option Agreement.  The written notice must be signed by the Optionee and must be
delivered in person, by certified or registered mail, return receipt  requested,
by confirmed facsimile  transmission,  or by such other means as the Company may
permit,  to the Chief  Financial  Officer of the  Company,  or other  authorized
representative of the Participating  Company Group,  prior to the termination of
the  Option as set forth in Section 6,  accompanied  by (i) full  payment of the
aggregate  Exercise Price for the number of shares of Stock being  purchased and
(ii) an executed copy, if required  herein,  of the then current forms of escrow
and  security  agreement  referenced  below.  The  Option  shall be deemed to be
exercised  upon receipt by the Company of such  written  notice,  the  aggregate
Exercise Price, and, if required by the Company, such executed agreements.

         4.3      PAYMENT OF EXERCISE PRICE.

                  (a) FORMS OF  CONSIDERATION  AUTHORIZED.  Except as  otherwise
provided below, payment of the aggregate Exercise Price for the number of shares
of Stock for which the Option is being  exercised  shall be made (i) in cash, by
check,  or cash  equivalent,  (ii) by tender to the  Company of whole  shares of
Stock owned by the  Optionee  having a Fair Market Value (as  determined  by the
Company without regard to any restrictions on transferability applicable to such
stock by  reason of  federal  or state  securities  laws or  agreements  with an
underwriter for the Company) not less than the aggregate  Exercise Price,  (iii)
by means of a Cashless  Exercise,  as defined  in  Section  4.3(C),  (iv) in the
Company's sole discretion at the time the Option is exercised, by the Optionee's
promissory  note for the aggregate  Exercise Price, or (v) by any combination of
the foregoing.

                  (b) TENDER OF STOCK. Notwithstanding the foregoing, the Option
may not be  exercised  by tender to the Company of shares of Stock to the extent
such tender of Stock would  constitute a violation of the provisions of any law,
regulation or agreement  restricting the redemption of the Company's  stock. The
Option may not be  exercised  by tender to the Company of shares of Stock unless
such shares  either have been owned by the Optionee for more than six (6) months
or were not acquired, directly or indirectly, from the Company.

                  (c)  CASHLESS  EXERCISE.   A  "CASHLESS  EXERCISE"  means  the
assignment in a form acceptable to the Company of the proceeds of a sale or loan
with respect to some or all of the shares of Stock acquired upon the exercise of
the  Option  pursuant  to  a  program  or  procedure  approved  by  the  Company
(including,   without  limitation,   through  an  exercise  complying  with  the
provisions  of  Regulation  T as  promulgated  from time to time by the Board of
Governors of the Federal Reserve System).  The Company reserves,  at any and all
times, the right, in the Company's sole and absolute  discretion,  to decline to
approve or terminate any such program or procedure.

                  (d) PAYMENT BY PROMISSORY  NOTE.  No promissory  note shall be
permitted  if an  exercise  of the  Option  using a  promissory  note would be a
violation of any law. The  promissory  note  permitted in clause (iv) of Section
4.3(a) shall be a full recourse note in a form satisfactory to the Company, with
principal  payable  no more  than four (4)  years  after the date the  Option is
exercised.  Interest on the principal  balance of the  promissory  note shall be
payable in annual  installments at the minimum  interest rate necessary to avoid
imputed interest pursuant to all applicable  sections of the Code. Such recourse
promissory note shall be secured by the shares of Stock acquired pursuant to the
then current form of security agreement as approved by the Company.  At any time
the Company is subject to the regulations  promulgated by the Board of Governors
of the Federal  Reserve System or any other  governmental  entity  affecting the
extension of credit in connection with the Company's securities,  any promissory
note shall comply with such applicable  regulations,  and the Optionee shall pay
the unpaid  principal and accrued  interest,  if any, to the extent necessary to
comply  with such  applicable  regulations.  Except as the  Company  in its sole
discretion shall determine,  the Optionee shall pay the unpaid principal balance
of the promissory note and any accrued  interest thereon upon termination of the
Optionee's Service with the Participating  Company Group for any reason, with or
without cause.

         4.4 TAX WITHHOLDING.  At the time the Option is exercised,  in whole or
in part,  or at any time  thereafter  as requested by the Company,  the Optionee
hereby authorizes  withholding from payroll and any other amounts payable to the
Optionee,  and  otherwise  agrees to make adequate  provision for  (including by
means of a Cashless  Exercise to the extent permitted by the Company),  any sums
required  to satisfy the  federal,  state,  local and  foreign  tax  withholding
obligations  of  the  Participating  Company  Group,  if  any,  which  arise  in
connection with the Option, including,  without limitation,  obligations arising
upon (i) the exercise, in whole or in part, of the Option, (ii) the transfer, in
whole or in part, of any shares acquired upon exercise of the Option,  (iii) the
operation of any law or regulation providing for the imputation of interest,  or
(iv) the lapsing of any  restriction  with respect to any shares  acquired  upon
exercise  of the  Option.  The  Optionee  is  cautioned  that the  Option is not
exercisable unless the tax withholding  obligations of the Participating Company
Group are satisfied.  Accordingly,  the Optionee may not be able to exercise the
Option when desired even though the Option is vested, and the Company shall have
no obligation to issue a certificate for such shares or release such shares from
any escrow provided for herein.

          4.5 CERTIFICATE  REGISTRATION.  Except in the event the Exercise Price
is paid by means of a Cashless  Exercise,  the  certificate for the shares as to
which the Option is exercised  shall be  registered in the name of the Optionee,
or, if applicable, in the names of the heirs of the Optionee.

         4.6  RESTRICTIONS  ON GRANT OF THE OPTION AND  ISSUANCE OF SHARES.  The
grant of the Option and the  issuance  of shares of Stock upon  exercise  of the
Option  shall be subject  to  compliance  with all  applicable  requirements  of
federal,  state or foreign law with respect to such  securities.  The Option may
not be  exercised  if the  issuance  of  shares  of Stock  upon  exercise  would
constitute a violation of any applicable  federal,  state or foreign  securities
laws or other law or  regulations or the  requirements  of any stock exchange or
market system upon which the Stock may then be listed.  In addition,  the Option
may not be exercised  unless (i) a registration  statement  under the Securities
Act shall at the time of exercise of the Option be in effect with respect to the
shares  issuable  upon  exercise  of the Option or (ii) in the  opinion of legal
counsel to the Company,  the shares  issuable upon exercise of the Option may be
issued  in  accordance  with  the  terms  of an  applicable  exemption  from the
registration  requirements of the Securities Act. THE OPTIONEE IS CAUTIONED THAT
THE OPTION MAY NOT BE EXERCISED  UNLESS THE FOREGOING  CONDITIONS ARE SATISFIED.
ACCORDINGLY,  THE  OPTIONEE  MAY NOT BE ABLE TO EXERCISE THE OPTION WHEN DESIRED
EVEN THOUGH THE OPTION IS VESTED.  The  inability  of the Company to obtain from
any regulatory  body having  jurisdiction  the authority,  if any, deemed by the
Company's  legal counsel to be necessary to the lawful  issuance and sale of any
shares  subject to the Option  shall  relieve  the Company of any  liability  in
respect of the failure to issue or sell such  shares as to which such  requisite
authority  shall not have been  obtained.  As a condition to the exercise of the
Option, the Company may require the Optionee to satisfy any qualifications  that
may be necessary or appropriate,  to evidence compliance with any applicable law
or regulation and to make any representation or warranty with respect thereto as
may be requested by the Company.

          4.7  FRACTIONAL  SHARES.  The  Company  shall not be required to issue
fractional shares upon the exercise of the Option.

5.  NONTRANSFERABILITY  OF THE OPTION.  The Option may be  exercised  during the
lifetime of the  Optionee  only by the  Optionee or the  Optionee's  guardian or
legal representative and may not be assigned or transferred in any manner except
by will or by the laws of descent and  distribution.  Following the death of the
Optionee,  the Option,  to the extent provided in Section 7, may be exercised by
the Optionee's  legal  representative  or by any person empowered to do so under
the deceased  Optionee's  will or under the then  applicable laws of descent and
distribution.

6.  TERMINATION OF THE OPTION.  The Option shall  terminate and may no longer be
exercised on the first to occur of (a) the Option  Expiration Date, (b) the last
date for exercising the Option following  termination of the Optionee's  Service
as described in Section 7, or (c ) a Transfer of Control to the extent  provided
in Section 8.

7.       EFFECT OF TERMINATION OF SERVICE.

         7.1      OPTION EXERCISABILITY.

                  (a)   DISABILITY.   If  the   Optionee's   Service   with  the
Participating  Company  Group is  terminated  because of the  Disability  of the
Optionee,  the Option, to the extent  unexercised and exercisable on the date on
which the Optionee's  Service  terminated,  may be exercised by the Optionee (or
the  Optionee's  guardian  or legal  representative)  at any  time  prior to the
expiration  of six (6)  months  after the date on which the  Optionee's  Service
terminated, but in any event no later than the Option Expiration Date. (NOTE: If
the Option is  exercised  more than three (3) months after the date on which the
Optionee's  Service as an Employee  terminated as a result of a Disability other
than a  permanent  and total  disability  as defined in Section  22(e)(3) of the
Code,  the Option will be treated as a  Nonstatutory  Stock Option and not as an
Incentive Stock Option to the extent required by Section 422 of the Code.)

                  (b) DEATH.  If the Optionee's  Service with the  Participating
Company Group is terminated because of the death of the Optionee, the Option, to
the  extent  unexercised  and  exercisable  on the date on which the  Optionee's
Service  terminated,  may be exercised by the Optionee (or the Optionee's  legal
representative, or other person who acquired the right to exercise the Option by
reason of the  Optionee's  death) at any time prior to the expiration of six (6)
months after the date on which the  Optionee's  Service  terminated,  but in any
event no later than the Option Expiration Date. The Optionee's  Service shall be
deemed to have terminated on account of death if the Optionee dies within thirty
(30) days  after the  Optionee's  termination  of Service  (other  than due to a
Termination For Cause).

                  (c) TERMINATION  AFTER TRANSFER OF CONTROL.  If the Optionee's
Service  with  the  Participating  Company  Group  is  terminated  because  of a
Termination After Transfer of Control (as defined below), (i) the Option, to the
extent  unexercised and exercisable on the date on which the Optionee's  Service
terminated,  may be exercised by the  Optionee  (or the  Optionee's  guardian or
legal  representative)  at any time  prior to the  expiration  of six (6) months
after the date on which the Optionee's Service  terminated,  but in any event no
later than the Option Expiration Date, and (ii) solely for purposes of computing
the Vested Ratio,  the Optionee  shall be given credit for an additional  twelve
(12) months of continuous Service; provided, however, that in no event shall the
Vested  Ratio  exceed 1/1.  The Company  makes no  representation  as to the tax
consequences  if the Option is  exercised  more than three (3) months  after the
date on which the  Optionee's  Service as an Employee  terminated.  The Optionee
should consult with the Optionee's own tax advisor as to the tax consequences to
the Optionee of any such delayed exercise.

                  (d) OTHER  TERMINATION OF SERVICE.  If the Optionee's  Service
with  the  Participating   Company  Group  terminates  for  any  reason,  except
Disability,  death, or Termination After Transfer of Control, the Option, to the
extent  unexercised  and  exercisable  by the  Optionee on the date on which the
Optionee's  Service  terminated,  may be exercised by the Optionee within thirty
(30) days (or such other longer period of time as  determined  by the Board,  in
its sole discretion) after the date on which the Optionee's Service  terminated,
but in any event no later than the Option Expiration Date.

         7.2  CERTAIN DEFINITIONS.

                  (a) "TERMINATION  AFTER TRANSFER OF CONTROL" shall mean either
of the following  events occurring within twelve (12) months after a Transfer of
Control (as defined in Section 8.1(b) below):

                         (i) termination by the  Participating  Company Group of
the Optionee's Service with the Participating Company Group for any reason other
than a Termination For Cause; or

                         (ii) the Optionee's  resignation  from Service with the
Participating  Company  Group within a reasonable  period of time  following any
Constructive Termination (as defined below).

Notwithstanding any provision herein to the contrary, Termination After Transfer
of Control shall not include any termination of the Optionee's  Service with the
Participating  Company  Group  which (1) is a  Termination  For Cause;  (2) is a
result of the Optionee's death or Disability;  (3) is a result of the Optionee's
voluntary  termination of Service other than upon  Constructive  Termination (as
defined  below);  or (4) occurs  prior to the  effectiveness  of a  Transfer  of
Control.

                  (b)      "TERMINATION FOR CAUSE" shall mean termination by the
Participating  Company Group of the  Optionee's  Service with the  Participating
Company  Group for any of the  following  reasons:  (i)  theft,  dishonesty,  or
falsification  of  any  Participating  Company  records;  (ii)  improper  use or
disclosure of a Participating Company's confidential or proprietary information;
(iii)  any  action  by  the  Optionee  which  has  a  detrimental  effect  on  a
Participating  Company's reputation or business;  (iv) the Optionee's failure or
inability to perform any  reasonable  assigned  duties after written notice from
the Participating  Company Group of, and a reasonable  opportunity to cure, such
failure or inability;  (v) any material breach by the Optionee of any employment
agreement between the Optionee and the Participating Company Group, which breach
is not cured  pursuant to the terms of such  agreement;  or (vi) the  Optionee's
conviction of any criminal act which impairs the  Optionee's  ability to perform
his or her duties with the Participating Company Group.

                  (c) "CONSTRUCTIVE  TERMINATION"  shall mean any one or more of
the following:

                         (i) without the Optionee's express written consent, the
assignment to the Optionee of any duties,  or any  limitation of the  Optionee's
responsibilities,  substantially  inconsistent  with the  Optionee's  positions,
duties,  responsibilities  and  status  with  the  Participating  Company  Group
immediately prior to the date of the Transfer of Control;

                         (ii) without the Optionee's  express  written  consent,
the relocation of the principal place of the Optionee's employment to a location
that is more than  fifty  (50)  miles  from the  Optionee's  principal  place of
employment  immediately  prior to the date of the  Transfer of  Control,  or the
imposition of travel  requirements  substantially more demanding of the Optionee
than such  travel  requirements  existing  immediately  prior to the date of the
Transfer of Control;

                         (iii) any failure by the Participating Company Group to
pay, or any material  reduction by the  Participating  Company Group of, (1) the
Optionee's base salary in effect  immediately  prior to the date of the Transfer
of Control (unless reductions comparable in amount and duration are concurrently
made  for  all  other  employees  of  the   Participating   Company  Group  with
responsibilities,  organizational level and title comparable to the Optionee's),
or (2) the Optionee's bonus compensation, if any, in effect immediately prior to
the  date  of  the  Transfer  of  Control  (subject  to  applicable  performance
requirements with respect to the actual amount of bonus  compensation  earned by
the Optionee); or

                         (iv) any failure by the Participating  Company Group to
(1) continue to provide the Optionee with the  opportunity  to  participate,  on
terms no less  favorable  than those in effect for the  benefit of any  employee
group which customarily  includes a person holding the employment  position or a
comparable  position  with the  Participating  Company  Group  then  held by the
Optionee, in any benefit or compensation plans and programs,  including, but not
limited to, the Participating Company Group's life, disability,  health, dental,
medical,  savings,  profit sharing, stock purchase and retirement plans, if any,
in which the Optionee  was  participating  immediately  prior to the date of the
Transfer of Control,  or their equivalent,  or (2) provide the Optionee with all
other fringe benefits (or their  equivalent) from time to time in effect for the
benefit of any employee  group which  customarily  includes a person holding the
employment  position or a comparable  position  with the  Participating  Company
Group then held by the Optionee.

         7.3 ADDITIONAL  LIMITATIONS  ON OPTION  EXERCISE.  Notwithstanding  the
provisions of Section 7.1, the Option may not be exercised  after the Optionee's
termination  of  Service  to the  extent  that the  shares to be  acquired  upon
exercise of the Option would be subject to the Unvested Share Repurchase  Option
as  provided in Section 11.  Except as the  Company and the  Optionee  otherwise
agree,  exercise of the Option pursuant to Section 7.1 following  termination of
the  Optionee's  Service  may not be made by delivery  of a  promissory  note as
provided in Section 4.3(a).

         7.4  EXTENSION  IF  EXERCISE  PREVENTED  BY  LAW.  Notwithstanding  the
foregoing,  if the exercise of the Option within the applicable time periods set
forth in Section 7.1 is prevented by the  provisions  of Section 4.6, the Option
shall remain  exercisable  until three (3) months after the date the Optionee is
notified by the Company that the Option is exercisable but in any event no later
than the Option  Expiration Date. The Company makes no  representation as to the
tax consequences of any such delayed exercise.  The Optionee should consult with
the  Optionee's own tax advisor as to the tax  consequences  of any such delayed
exercise.

         7.5 EXTENSION IF OPTIONEE SUBJECT TO SECTION 16(b). Notwithstanding the
foregoing, if a sale within the applicable time periods set forth in Section 7.1
of shares acquired upon the exercise of the Option would subject the Optionee to
suit  under  Section  16(b)  of  the  Exchange  Act,  the  Option  shall  remain
exercisable  until the earliest to occur of (i) the tenth  (10th) day  following
the date on which a sale of such  shares  by the  Optionee  would no  longer  be
subject to such suit,  (ii) the one hundred and ninetieth  (190th) day after the
Optionee's  termination  of Service,  or (iii) the Option  Expiration  Date. The
Company makes no  representation  as to the tax consequences of any such delayed
exercise.  The Optionee should consult with the Optionee's own tax advisor as to
the tax consequences of any such delayed exercise.

         7.6 LEAVE OF ABSENCE.  For  purposes  of Section  7.1,  the  Optionee's
Service with the Participating Company Group shall not be deemed to terminate if
the Optionee takes any military  leave,  sick leave, or other bona fide leave of
absence  approved by the Company of ninety (90) days or less.  In the event of a
leave of absence in excess of ninety (90) days, the Optionee's  Service shall be
deemed to  terminate  on the  ninety-first  (91st) day of such leave  unless the
Optionee's right to reemployment  with the  Participating  Company Group remains
guaranteed  by  statute  or  contract.  Notwithstanding  the  foregoing,  unless
otherwise  designated  by the Company (or  required by law),  a leave of absence
shall not be treated as Service  for  purposes  of  determining  the  Optionee's
Vested Ratio.

8.       TRANSFER OF CONTROL.

         8.1      DEFINITIONS.

         (a) An "OWNERSHIP CHANGE EVENT" shall be deemed to have occurred if any
of the following occurs with respect to the Company:

                    (i) the direct or  indirect  sale or exchange in a single or
series of related  transactions by the  shareholders of the Company of more than
fifty percent (50%) of the voting stock of the Company;

                    (ii)a  merger or  consolidation  in which the  Company  is a
party; or

                    (iii)   the  sale,   exchange,   or   transfer   of  all  or
substantially all of the assets of the Company; or

                    (iv) a liquidation or dissolution of the Company.

         (b) A "TRANSFER OF CONTROL"  shall mean an Ownership  Change Event or a
series of related  Ownership  Change Events  (collectively,  the  "TRANSACTION")
wherein the  shareholders of the Company  immediately  before the Transaction do
not  retain  immediately  after  the  Transaction,  in  substantially  the  same
proportions  as  their  ownership  of  shares  of  the  Company's  voting  stock
immediately before the Transaction,  direct or indirect beneficial  ownership of
more  than  fifty  percent  (50%)  of the  total  combined  voting  power of the
outstanding  voting stock of the Company or the  corporation or  corporations to
which  the   assets  of  the   Company   were   transferred   (the   "TRANSFEREE
CORPORATION(S)"),  as the case may be. For purposes of the  preceding  sentence,
indirect beneficial  ownership shall include,  without  limitation,  an interest
resulting from ownership of the voting stock of one or more corporations  which,
as  a  result  of  the   Transaction,   own  the   Company  or  the   Transferee
Corporation(s),  as the case may be,  either  directly  or  through  one or more
subsidiary  corporations.  The Board shall have the right to  determine  whether
multiple  sales or  exchanges  of the voting  stock of the  Company or  multiple
Ownership  Change  Events are  related,  and its  determination  shall be final,
binding and conclusive.

         8.2 EFFECT OF TRANSFER OF CONTROL ON OPTION. In the event of a Transfer
of Control, the surviving,  continuing,  successor, or purchasing corporation or
parent corporation  thereof,  as the case may be (the "ACQUIRING  CORPORATION"),
may either  assume the  Company's  rights  and  obligations  under the Option or
substitute for the Option a  substantially  equivalent  option for the Acquiring
Corporation's  stock.  The Option shall  terminate  and cease to be  outstanding
effective  as of the date of the  Transfer  of Control  to the  extent  that the
Option is neither  assumed or  substituted  for by the Acquiring  Corporation in
connection  with the  Transfer  of Control nor  exercised  as of the date of the
Transfer  of  Control.  Notwithstanding  the  foregoing,  shares  acquired  upon
exercise of the Option  prior to the  Transfer of Control and any  consideration
received  pursuant to the  Transfer of Control with respect to such shares shall
continue to be subject to all  applicable  provisions  of this Option  Agreement
except as otherwise provided herein. Furthermore, notwithstanding the foregoing,
if the corporation the stock of which is subject to the Option immediately prior
to an Ownership  Change  Event  described in Section  8.1(a)(i)  constituting  a
Transfer of Control is the surviving or continuing  corporation  and immediately
after such  Ownership  Change Event less than fifty  percent  (50%) of the total
combined  voting power of its voting stock is held by another  corporation or by
other corporations that are members of an affiliated group within the meaning of
Section  1504(a) of the Code without regard to the provisions of Section 1504(b)
of the Code, the Option shall not terminate unless the Board otherwise  provides
in its sole discretion.

9.  ADJUSTMENTS  FOR  CHANGES  IN CAPITAL  STRUCTURE.  In the event of any stock
dividend,  stock  split,  reverse  stock split,  recapitalization,  combination,
reclassification,  or similar  change in the capital  structure  of the Company,
appropriate adjustments shall be made in the number, Exercise Price and class of
shares of stock subject to the Option.  If a majority of the shares which are of
the same class as the shares that are subject to the Option are  exchanged  for,
converted  into,  or otherwise  become  (whether or not pursuant to an Ownership
Change Event) shares of another  corporation  (the "NEW SHARES"),  the Board may
unilaterally  amend the Option to provide that the Option is exercisable for New
Shares. In the event of any such amendment,  the Number of Option Shares and the
Exercise Price shall be adjusted in a fair and equitable  manner,  as determined
by the  Board,  in its  sole  discretion.  Notwithstanding  the  foregoing,  any
fractional  share resulting from an adjustment  pursuant to this Section 9 shall
be rounded up or down to the nearest whole  number,  as determined by the Board,
and in no event may the  Exercise  Price be decreased to an amount less than the
par  value,  if  any,  of the  stock  subject  to the  Option.  The  adjustments
determined by the Board  pursuant to this Section 9 shall be final,  binding and
conclusive.

10. RIGHTS AS A SHAREHOLDER,  EMPLOYEE OR CONSULTANT. The Optionee shall have no
rights as a shareholder  with respect to any shares  covered by the Option until
the date of the  issuance of a  certificate  for the shares for which the Option
has been  exercised (as evidenced by the  appropriate  entry on the books of the
Company or of a duly  authorized  transfer agent of the Company).  No adjustment
shall be made for dividends,  distributions or other rights for which the record
date is prior to the date such  certificate  is issued,  except as  provided  in
Section 9. Nothing in this Option  Agreement  shall confer upon the Optionee any
right to continue in the Service of a Participating  Company or interfere in any
way  with  any  right  of the  Participating  Company  Group  to  terminate  the
Optionee's  Service as an  Employee  or  Consultant,  as the case may be, at any
time.

11.      UNVESTED SHARE REPURCHASE OPTION.

         11.1  GRANT OF  UNVESTED  SHARE  REPURCHASE  OPTION.  In the  event the
Optionee's  Service with the  Participating  Company Group is terminated for any
reason or no reason, with or without cause, or, if the Optionee,  the Optionee's
legal  representative,  or other holder of shares  acquired upon exercise of the
Option attempts to sell,  exchange,  transfer,  pledge,  or otherwise dispose of
(other than  pursuant to an Ownership  Change  Event) any shares  acquired  upon
exercise of the Option which exceed the Vested Shares as defined in Section 11.2
below (the  "UNVESTED  SHARES"),  the Company shall have the right to repurchase
the Unvested  Shares under the terms and subject to the  conditions set forth in
this Section 11 (the "UNVESTED SHARE REPURCHASE OPTION").

         11.2 VESTED SHARES AND UNVESTED  SHARES  DEFINED.  The "VESTED  SHARES"
shall mean,  on any given date,  a number of shares of Stock equal to the Number
of Option Shares  multiplied by the Vested Ratio  determined as of such date and
rounded  down to the nearest  whole  share.  On such given date,  the  "UNVESTED
SHARES"  shall mean the number of shares of Stock  acquired upon exercise of the
Option which exceed the Vested Shares determined as of such date.

         11.3  EXERCISE OF UNVESTED  SHARE  REPURCHASE  OPTION.  The Company may
exercise  the  Unvested  Share  Repurchase  Option by written  notice  delivered
personally  or forwarded  by first class mail to the Optionee  within sixty (60)
days after (a) termination of the Optionee's Service (or exercise of the Option,
if later) or (b) the Company has received notice of the attempted disposition of
Unvested Shares.  If the Company fails to give notice within such sixty (60) day
period,  the Unvested Share Repurchase Option shall terminate unless the Company
and the Optionee have  extended the time for the exercise of the Unvested  Share
Repurchase Option. The Unvested Share Repurchase Option must be exercised, if at
all,  for all of the  Unvested  Shares,  except as the Company and the  Optionee
otherwise agree.

         11.4  PAYMENT FOR SHARES AND RETURN OF SHARES TO COMPANY.  The purchase
price per share being repurchased by the Company shall be an amount equal to the
Optionee's  original  cost per share,  as  adjusted  pursuant  to Section 9 (the
"REPURCHASE PRICE"). The Company shall pay the aggregate Repurchase Price to the
Optionee in cash within thirty (30) days after the date of personal  delivery or
mailing of the written  notice of the Company's  exercise of the Unvested  Share
Repurchase  Option.   For  purposes  of  the  foregoing,   cancellation  of  any
indebtedness  of the Optionee to any  Participating  Company shall be treated as
payment to the  Optionee in cash to the extent of the unpaid  principal  and any
accrued interest  canceled.  The shares being  repurchased shall be delivered to
the Company by the Optionee at the same time as the  delivery of the  Repurchase
Price to the Optionee.

         11.5 ASSIGNMENT OF UNVESTED SHARE REPURCHASE  OPTION. The Company shall
have the right to  assign  the  Unvested  Share  Repurchase  Option at any time,
whether or not such option is then exercisable, to one or more persons as may be
selected by the Company.

         11.6 OWNERSHIP CHANGE EVENT. Upon the occurrence of an Ownership Change
Event, any and all new,  substituted or additional  securities or other property
to which the  Optionee  is  entitled by reason of the  Optionee's  ownership  of
Unvested  Shares shall be immediately  subject to the Unvested Share  Repurchase
Option and included in the terms "Stock" and "Unvested  Shares" for all purposes
of the Unvested  Share  Repurchase  Option with the same force and effect as the
Unvested  Shares  immediately  prior to the Ownership  Change  Event.  While the
aggregate  Repurchase  Price shall remain the same after such  Ownership  Change
Event,  the  Repurchase  Price per Unvested  Share upon exercise of the Unvested
Share Repurchase  Option following such Ownership Change Event shall be adjusted
as  appropriate.  For  purposes of  determining  the Vested  Ratio  following an
Ownership  Change  Event,  credited  Service  shall include all Service with any
corporation  which  is a  Participating  Company  at the  time  the  Service  is
rendered, whether or not such corporation is a Participating Company both before
and after the Ownership Change Event.

12.      RIGHT OF FIRST REFUSAL.

         12.1 GRANT OF RIGHT OF FIRST  REFUSAL.  Except as  provided  in Section
12.7 below, in the event the Optionee,  the Optionee's legal representative,  or
other holder of shares  acquired upon  exercise of the Option  proposes to sell,
exchange,  transfer,  pledge,  or  otherwise  dispose of any Vested  Shares (the
"TRANSFER SHARES") to any person or entity, including,  without limitation,  any
shareholder of the Participating Company Group, the Company shall have the right
to repurchase the Transfer  Shares under the terms and subject to the conditions
set forth in this Section 12 (the "RIGHT OF FIRST REFUSAL").

         12.2 NOTICE OF PROPOSED TRANSFER. Prior to any proposed transfer of the
Transfer  Shares,  the  Optionee  shall  give a written  notice  (the  "TRANSFER
NOTICE") to the Company  describing fully the proposed  transfer,  including the
number of Transfer Shares, the name and address of the proposed transferee. (the
"PROPOSED TRANSFEREE") and, if the transfer is voluntary,  the proposed transfer
price, and containing such information necessary to show the bona fide nature of
the proposed transfer. In the event of a bona fide gift or involuntary transfer,
the proposed  transfer  price shall be deemed to be the Fair Market Value of the
Transfer  Shares,  as  determined  by the Board in good faith.  If the  Optionee
proposes to transfer any Transfer  Shares to more than one Proposed  Transferee,
the Optionee shall provide a separate  Transfer Notice for the proposed transfer
to each  Proposed  Transferee.  The Transfer  Notice shall be signed by both the
Optionee and the Proposed Transferee and must constitute a binding commitment of
the Optionee and the Proposed Transferee for the transfer of the Transfer Shares
to the Proposed Transferee subject only to the Right of First Refusal.

         12.3 BONA FIDE TRANSFER. If the Company determines that the information
provided by the Optionee in the Transfer Notice is insufficient to establish the
bona fide nature of a proposed  voluntary  transfer,  the Company shall give the
Optionee  written notice of the Optionee's  failure to comply with the procedure
described in this  Section 12, and the Optionee  shall have no right to transfer
the Transfer Shares without first complying with the procedure described in this
Section 12. The Optionee shall not be permitted to transfer the Transfer  Shares
if the proposed transfer is not bona fide.

         12.4 EXERCISE OF RIGHT OF FIRST REFUSAL.  If the Company determines the
proposed  transfer to be bona fide, the Company shall have the right to purchase
all,  but not less than all, of the Transfer  Shares  (except as the Company and
the Optionee  otherwise  agree) at the purchase price and on the terms set forth
in the  Transfer  Notice by delivery to the  Optionee of a notice of exercise of
the Right of First  Refusal  within thirty (30) days after the date the Transfer
Notice is  delivered  to the  Company.  The  Company's  exercise  or  failure to
exercise  the Right of First  Refusal  with  respect  to any  proposed  transfer
described in a Transfer  Notice shall not affect the Company's right to exercise
the Right of First  Refusal with respect to any proposed  transfer  described in
any other Transfer  Notice,  whether or not such other Transfer Notice is issued
by the Optionee or issued by a person other than the Optionee  with respect to a
proposed transfer to the same Proposed Transferee.  If the Company exercises the
Right of First Refusal,  the Company and the Optionee shall thereupon consummate
the sale of the  Transfer  Shares to the  Company  on the terms set forth in the
Transfer  Notice  within sixty (60) days after the date the  Transfer  Notice is
delivered  to the  Company  (unless a longer  period is offered by the  Proposed
Transferee);  provided,  however, that in the event the Transfer Notice provides
for the payment for the Transfer  Shares other than in cash,  the Company  shall
have the  option of paying for the  Transfer  Shares by the  present  value cash
equivalent of the  consideration  described in the Transfer Notice as reasonably
determined by the Company.  For purposes of the foregoing,  cancellation  of any
indebtedness  of the Optionee to any  Participating  Company shall be treated as
payment to the  Optionee in cash to the extent of the unpaid  principal  and any
accrued interest canceled.

         12.5 FAILURE TO EXERCISE RIGHT OF FIRST  REFUSAL.  If the Company fails
to exercise the Right of First  Refusal in full (or to such lesser extent as the
Company and the Optionee otherwise agree) within the period specified in Section
12.4 above,  the Optionee may conclude a transfer to the Proposed  Transferee of
the  Transfer  Shares on the  terms and  conditions  described  in the  Transfer
Notice,  provided such transfer occurs not later than ninety (90) days following
delivery to the Company of the Transfer Notice. The Company shall have the right
to demand further assurances from the Optionee and the Proposed Transferee (in a
form  satisfactory  to the Company) that the transfer of the Transfer Shares was
actually  carried  out on the terms and  conditions  described  in the  Transfer
Notice.  No Transfer  Shares  shall be  transferred  on the books of the Company
until the Company has received such assurances, if so demanded, and has approved
the  proposed  transfer  as bona  fide.  Any  proposed  transfer  on  terms  and
conditions different from those described in the Transfer Notice, as well as any
subsequent  proposed  transfer  by the  Optionee,  shall again be subject to the
Right of First  Refusal and shall  require  compliance  by the Optionee with the
procedure described in this Section 12.

         12.6  TRANSFEREES OF TRANSFER  SHARES.  All transferees of the Transfer
Shares or any interest therein,  other than the Company,  shall be required as a
condition of such  transfer to agree in writing (in a form  satisfactory  to the
Company) that such  transferee  shall  receive and hold such Transfer  Shares or
interest  therein  subject  to all of the terms and  conditions  of this  Option
Agreement,  including  this Section 12 providing  for the Right of First Refusal
with  respect to any  subsequent  transfer.  Any sale or  transfer of any shares
acquired upon exercise of the Option shall be void unless the provisions of this
Section 12 are met.

         12.7  TRANSFERS  NOT  SUBJECT TO RIGHT OF FIRST  REFUSAL.  The Right of
First Refusal shall not apply to any transfer or exchange of the shares acquired
upon exercise of the Option if such transfer.  or exchange is in connection with
an  Ownership  Change  Event.  If the  consideration  received  pursuant to such
transfer  or  exchange  consists  of  stock  of a  Participating  Company,  such
consideration  shall  remain  subject to the Right of First  Refusal  unless the
provisions of Section 12.9 below result in a  termination  of the Right of First
Refusal.

         12.8  ASSIGNMENT OF RIGHT OF FIRST REFUSAL.  The Company shall have the
right to assign the Right of First Refusal at any time, whether or not there has
been an  attempted  transfer,  to one or more  persons as may be selected by the
Company.

         12.9 EARLY TERMINATION OF RIGHT OF FIRST REFUSAL.  The other provisions
of this  Option  Agreement  notwithstanding,  the Right of First  Refusal  shall
terminate  and be of no further  force and effect upon (a) the  occurrence  of a
Transfer of Control,  unless the  Acquiring  Corporation  assumes the  Company's
rights  and  obligations   under  the  Option  or  substitutes  a  substantially
equivalent option for the Acquiring  Corporation's  stock for the Option, or (b)
the existence of a public market for the class of shares subject to the Right of
First Refusal.  A "PUBLIC  MARKET" shall be deemed to exist if (i) such stock is
listed on a national  securities  exchange (as that term is used in the Exchange
Act) or (ii) such  stock is traded on the  over-the-counter  market  and  prices
therefor are published daily on business days in a recognized financial journal.

13.      ESCROW.

         13.1  ESTABLISHMENT  OF ESCROW.  To ensure that  shares  subject to the
Unvested Share  Repurchase  Option or the Right of First Refusal or securing any
promissory  note will be available for  repurchase,  the Company may require the
Optionee to deposit the  certificate  evidencing  the shares  which the Optionee
purchases  upon  exercise of the Option with an agent  designated by the Company
under the terms and conditions of escrow and security agreements approved by the
Company. If the Company does not require such deposit as a condition of exercise
of the  Option,  the  Company  reserves  the  right at any time to  require  the
Optionee to so deposit the  certificate  in escrow.  Upon the  occurrence  of an
Ownership Change Event or a change,  as described in Section 9, in the character
or amount of any of the outstanding  stock of the corporation the stock of which
is  subject  to the  provisions  of this  Option  Agreement,  any  and all  new,
substituted or additional  securities or other property to which the Optionee is
entitled by reason of the Optionee's  ownership of shares of Stock acquired upon
exercise of the Option that remain,  following  such  Ownership  Change Event or
change described in Section 9, subject to the Unvested Share Repurchase  Option,
the Right of First Refusal or any security interest held by the Company shall be
immediately  subject  to the escrow to the same  extent as such  shares of Stock
immediately before such event.
The Company shall bear the expense of the escrow.

         13.2 DELIVERY OF SHARES TO OPTIONEE.  As soon as practicable  after the
expiration  of the  Unvested  Share  Repurchase  Option  and the  Right of First
Refusal and after full repayment of any promissory note secured by the shares or
other property in escrow, but not more frequently than twice each calendar year,
the escrow agent shall deliver to the Optionee the shares and any other property
no longer  subject to such  restrictions  and no longer  securing any promissory
note.

         13.3  NOTICES  AND  PAYMENTS.  In the  event the  shares  and any other
property  held in escrow are subject to the  Company's  exercise of the Unvested
Share Repurchase  Option or the Right of First Refusal,  the notices required to
be given to the  Optionee  shall be given to the escrow  agent,  and any payment
required to be given to the Optionee shall be given to the escrow agent.  Within
thirty (30) days after  payment by the Company,  the escrow agent shall  deliver
the shares and any other property which the Company has purchased to the Company
and shall deliver the payment received from the Company to the Optionee.

14.  STOCK  DISTRIBUTIONS  SUBJECT TO OPTION  AGREEMENT.  If, from time to time,
there is any stock  dividend,  stock  split or other  change,  as  described  in
Section 9, in the  character  or amount of any of the  outstanding  stock of the
corporation  the stock of which is  subject  to the  provisions  of this  Option
Agreement,  then  in such  event  any and all  new,  substituted  or  additional
securities  to which the  Optionee  is  entitled  by  reason  of the  Optionee's
ownership  of  the  shares  acquired  upon  exercise  of  the  Option  shall  be
immediately  subject to the Unvested Share Repurchase Option, the Right of First
Refusal,  and any security  interest held by the Company with the same force and
effect as the shares subject to the Unvested Share Repurchase  Option, the Right
of First Refusal, and such security interest immediately before such event.

15. NOTICE OF SALES UPON DISQUALIFYING  DISPOSITION.  The Optionee shall dispose
of the shares  acquired  pursuant  to the  Option  only in  accordance  with the
provisions of this Option  Agreement.  In addition,  the Optionee shall promptly
notify the Chief  Financial  Officer of the Company if the Optionee  disposes of
any of the shares acquired  pursuant to the Option within one (1) year after the
date of the Optionee exercises all or part of the Option or within two (2) years
after the Date of Option Grant. Until such time as the Optionee disposes of such
shares in a manner  consistent  with the  provisions  of this Option  Agreement,
unless otherwise  expressly  authorized by the Company,  the Optionee shall hold
all shares  acquired  pursuant to the Option in the Optionee's  name (and not in
the name of any nominee) for the one-year period  immediately after the exercise
of the Option and the two-year period immediately after Date of Option Grant. At
any time during the one-year or two-year  periods set forth  above,  the Company
may place a legend on any certificate  representing  shares acquired pursuant to
the Option  requesting the transfer agent for the Company's  stock to notify the
Company of any such  transfers.  The  obligation  of the  Optionee to notify the
Company of any such transfer  shall continue  notwithstanding  that a legend has
been placed on the certificate pursuant to the preceding sentence.

16. LEGENDS.  The Company may at any time place legends referencing the Unvested
Share Repurchase Option, the Right of First Refusal, and any applicable federal,
state or foreign  securities law restrictions on all  certificates  representing
shares of stock subject to the provisions of this Option Agreement. The Optionee
shall,  at the request of the Company,  promptly  present to the Company any and
all  certificates  representing  shares  acquired  pursuant to the Option in the
possession of the Optionee in order to carry out the provisions of this Section.
Unless otherwise  specified by the Company,  legends placed on such certificates
may include, but shall not be limited to, the following:

         16.1  "THE  SECURITIES  EVIDENCED  BY THIS  CERTIFICATE  HAVE  NOT BEEN
REGISTERED  UNDER THE SECURITIES  ACT OF 1933, AS AMENDED,  AND MAY NOT BE SOLD,
TRANSFERRED,  ASSIGNED OR HYPOTHECATED UNLESS THERE IS AN EFFECTIVE REGISTRATION
STATEMENT  UNDER  SUCH  ACT  COVERING  SUCH  SECURITIES,  THE  SALE  IS  MADE IN
ACCORDANCE  WITH RULE 144 OR RULE 701 UNDER THE ACT, OR THE COMPANY  RECEIVES AN
OPINION OF COUNSEL FOR THE HOLDER OF THESE SECURITIES REASONABLY SATISFACTORY TO
THE COMPANY,  STATING THAT SUCH SALE,  TRANSFER,  ASSIGNMENT OR HYPOTHECATION IS
EXEMPT FROM THE REGISTRATION AND PROSPECTUS DELIVERY REQUIREMENTS OF SUCH ACT."

         16.2 Any legend  required to be placed thereon by the  Commissioner  of
Corporations of the State of California.

         16.3 "THE  SHARES  REPRESENTED  BY THIS  CERTIFICATE  ARE SUBJECT TO AN
UNVESTED SHARE REPURCHASE OPTION IN FAVOR OF THE CORPORATION OR ITS ASSIGNEE SET
FORTH IN AN AGREEMENT BETWEEN THE CORPORATION AND THE REGISTERED HOLDER, OR SUCH
HOLDERS  PREDECESSOR  IN INTEREST,  A COPY OF WHICH IS ON FILE AT THE  PRINCIPAL
OFFICE OF THIS CORPORATION."

         16.4 "THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO A RIGHT
OF FIRST REFUSAL OPTION IN FAVOR OF THE CORPORATION OR ITS ASSIGNEE SET FORTH IN
AN AGREEMENT BETWEEN THE CORPORATION AND THE REGISTERED HOLDER, OR SUCH HOLDER'S
PREDECESSOR IN INTEREST,  A COPY OF WHICH IS ON FILE AT THE PRINCIPAL  OFFICE OF
THIS CORPORATION."

         16.5 "THE  SHARES  EVIDENCED  BY THIS  CERTIFICATE  WERE  ISSUED BY THE
CORPORATION TO THE REGISTERED  HOLDER UPON EXERCISE OF AN INCENTIVE STOCK OPTION
AS DEFINED IN  SECTION  422 OF THE  INTERNAL  REVENUE  CODE OF 1986,  AS AMENDED
("ISO"). IN ORDER TO OBTAIN THE PREFERENTIAL TAX TREATMENT AFFORDED TO ISOs, THE
SHARES  SHOULD  NOT BE  TRANSFERRED  PRIOR TO  ___________________.  SHOULD  THE
REGISTERED  HOLDER  ELECT TO TRANSFER  ANY OF THE SHARES  PRIOR TO THIS DATE AND
FOREGO ISO TAX  TREATMENT,  THE  TRANSFER  AGENT FOR THE SHARES SHALL NOTIFY THE
CORPORATION  IMMEDIATELY.  THE REGISTERED HOLDER SHALL HOLD ALL SHARES PURCHASED
UNDER THE INCENTIVE STOCK OPTION IN THE REGISTERED HOLDER'S NAME (AND NOT IN THE
NAME OF ANY  NOMINEE)  PRIOR TO THIS  DATE OR  UNTIL  TRANSFERRED  AS  DESCRIBED
ABOVE."

17.  PUBLIC  OFFERING.  The  Optionee  hereby  agrees  that in the  event of any
underwritten  public offering of stock,  including an initial public offering of
stock, made by the Company pursuant to an effective registration statement filed
under the Securities Act, the Optionee shall not offer, sell,  contract to sell,
pledge, hypothecate,  grant any option to purchase or make any short sale of, or
otherwise dispose of any shares of stock of the Company or any rights to acquire
stock of the Company for such period of time from and after the  effective  date
of such registration statement as may be established by the underwriter for such
public offering;  provided,  however,  that such period of time shall not exceed
one  hundred  eighty  (180)  days from the  effective  date of the  registration
statement to be filed in  connection  with such public  offering.  The foregoing
limitation shall not apply to shares registered in the public offering under the
Securities Act. The Optionee shall be subject to this Section  provided and only
if the  officers  and  directors  of the  Company  are also  subject  to similar
arrangements.

18. BINDING  EFFECT.  Subject to the  restrictions on transfer set forth herein,
this Option  Agreement  shall  inure to the  benefit of and be binding  upon the
parties hereto and their respective heirs, executors, administrators, successors
and assigns.

19.  TERMINATION OR AMENDMENT.  The Board may terminate or amend the Plan or the
Option at any time; provided, however, that except as provided in Section 8.2 in
connection  with a Transfer of Control,  no such  termination  or amendment  may
adversely  affect the  Option or any  unexercised  portion  hereof  without  the
consent of the  Optionee  unless such  termination  or amendment is necessary to
comply with any applicable law or government regulation or is required to enable
the Option to qualify as an Incentive Stock Option.  No amendment or addition to
this Option Agreement shall be effective unless in writing.

20.  INTEGRATED  AGREEMENT.  This Option  Agreement and the Plan  constitute the
entire understanding and agreement of the 0ptionee and the Participating Company
Group with respect to the subject matter  contained herein and therein and there
are no agreements, understandings,  restrictions, representations, or warranties
among the  Optionee  and the  Participating  Company  Group with respect to such
subject  matter other than those as set forth or provided for herein or therein.
To the extent  contemplated  herein or therein,  the  provisions  of this Option
Agreement  shall  survive any  exercise  of the Option and shall  remain in full
force and effect.

21.  APPLICABLE LAW. This Option  Agreement shall be governed by the laws of the
State of California as such laws are applied to  agreements  between  California
residents  entered  into  and to be  performed  entirely  within  the  State  of
California.

                                 PORTOLA COMMUNICATIONS, INC.

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


                                 Title:-------------------------------

The  Optionee  represents  that the  Optionee  is  familiar  with the  terms and
provisions of this Option  Agreement,  including the Unvested  Share  Repurchase
Option  set  forth in  Section  11 and the Right of First  Refusal  set forth in
Section  12,  and  hereby  accepts  the  Option  subject to all of the terms and
provisions thereof. The Optionee hereby agrees to accept as binding,  conclusive
and final all  decisions  or  interpretations  of the Board  upon any  questions
arising under this Option Agreement.  The undersigned  acknowledges receipt of a
copy of the Plan.

                                 OPTIONEE ---------------------------
                                 Date:-------------------------------

THE  SECURITIES  WHICH ARE THE SUBJECT OF THIS AGREEMENT HAVE NOT BEEN QUALIFIED
WITH  THE  COMMISSIONER  OF  CORPORATIONS  OF THE  STATE OF  CALIFORNIA  AND THE
ISSUANCE  OF SUCH  SECURITIES  OR THE  PAYMENT  OR  RECEIPT  OF ANY  PART OF THE
CONSIDERATION THEREFOR PRIOR TO SUCH QUALIFICATION IS UNLAWFUL,  UNLESS THE SALE
OF SECURITIES IS EXEMPT FROM QUALIFICATION BY SECTION 25100,  25102, OR 25105 OF
THE  CALIFORNIA  CORPORATIONS  CODE. THE RIGHTS OF ALL PARTIES TO THIS AGREEMENT
ARE EXPRESSLY  CONDITIONED UPON SUCH  QUALIFICATION  BEING OBTAINED,  UNLESS THE
SALE IS SO EXEMPT.

THE SECURITY  REPRESENTED BY THIS  CERTIFICATE  HAS BEEN ACQUIRED FOR INVESTMENT
AND NOT WITH A VIEW TO, OR IN CONNECTION WITH, THE SALE OR DISTRIBUTION THEREOF.
NO SUCH SALE OR DISPOSITION  MAY BE EFFECTED  WITHOUT AN EFFECTIVE  REGISTRATION
STATEMENT  RELATED THERETO OR AN OPINION OF COUNSEL  SATISFACTORY TO THE COMPANY
THAT SUCH REGISTRATION IS NOT REQUIRED UNDER THE SECURITIES ACT OF 1933.

                          PORTOLA COMMUNICATIONS, INC.

                             IMMEDIATELY EXERCISABLE

                       NONSTATUTORY STOCK OPTION AGREEMENT

         THIS IMMEDIATELY  EXERCISABLE  NONSTATUTORY STOCK OPTION AGREEMENT (the
"OPTION AGREEMENT") is made and entered into as of _____________, 199___, by and
between Portola Communications, Inc. and __________ (the "OPTIONEE").

         The  Company  has  granted  to the  Optionee  pursuant  to the  Portola
Communications,  Inc.  1996 Stock Option Plan (the "PLAN") an option to purchase
certain shares of Stock,  upon the terms and conditions set forth in this Option
Agreement  (the  "OPTION").  The Option  shall in all respects be subject to the
terms and  conditions  of the Plan,  the  provisions  of which are  incorporated
herein by reference.

1.       DEFINITIONS AND CONSTRUCTION.

         1.1 DEFINITIONS.  Unless otherwise  defined herein,  capitalized  terms
shall  have the  meanings  assigned  to such  terms in the Plan.  Whenever  used
herein,  the  following  terms shall have their  respective  meanings  set forth
below:

                  (a)      "DATE OF OPTION GRANT" means ____________, 199_.

                  (b) "NUMBER OF OPTION SHARES" means ___________________ shares
of Stock, as adjusted from time to time pursuant to Section 9.

                  (c) "EXCHANGE ACT" means the Securities  Exchange Act of 1934,
as amended.

                  (d)  "EXERCISE  PRICE"  means  $_____  per share of Stock,  as
adjusted from time to time pursuant to Section 9.

                  (e)  "INITIAL  EXERCISE  DATE"  means the later of the Date of
Option Grant or the date the Optionee's Service commences.

                  (f) "INITIAL  VESTING  DATE" means the date  occurring one (1)
year after (check one):

                  ___  the Date of Option Grant.

                  ___  ____________,  199_,  the  date  the  Optionee's  Service
commenced.

                  (g) "VESTED  RATIO"  means,  on any relevant  date,  the ratio
determined as follows:


                                                                   Vested Ratio

   Prior to Initial Vesting Date                                         0

   On Initial  Vesting Date,  provided the Optionee's  Service is
   continuous  from the later of the Date of Option  Grant or the
   Optionee's Service commencement date until the
   Initial Vesting Date                                                  1 /4


   Plus

   For each full month of the Optionee's  continuous Service from
   the Initial Vesting Date until the Vested Ratio equals
   1/1, an additional                                                    1/48

                  (h)  "OPTION  EXPIRATION  DATE"  means the date ten (10) years
after the Date of Option Grant.

                  (i) "COMPANY" means Portola Communications, Inc., a California
corporation, or any successor corporation thereto.

                  (j) "DISABILITY"  means the inability of the Optionee,  in the
opinion of a qualified physician acceptable to the Company, to perform the major
duties of the Optionee's  position with the Participating  Company Group because
of the sickness or injury of the Optionee.

                  (k)  "SECURITIES  ACT" means the  Securities  Act of 1933,  as
amended.

                  (l) "SERVICE" means the Optionee's  employment or service with
the  Participating  Company  Group,  whether in the capacity of an  Employee,  a
Director or a  Consultant.  The  Optionee's  Service shall not be deemed to have
terminated  merely  because of a change in the  capacity  in which the  Optionee
renders  Service  to  the  Participating  Company  Group  or  a  change  in  the
Participating Company for which the Optionee renders such Service, provided that
there  is  no  interruption  or  termination  of  the  Optionee's  Service.  The
Optionee's  Service  shall be deemed to have  terminated  either  upon an actual
termination of Service or upon the corporation  for which the Optionee  performs
Service ceasing to be a  Participating  Company.  Subject to the foregoing,  the
Company, in its sole discretion,  shall determine whether the Optionee's Service
has terminated and the effective date of such termination.

         1.2  CONSTRUCTION.   Captions  and  titles  contained  herein  are  for
convenience  only and shall not affect  the  meaning  or  interpretation  of any
provision  of this Option  Agreement.  Except when  otherwise  indicated  by the
context,  the singular  shall  include the plural,  the plural shall include the
singular,  and the  term  "or"  shall  include  the  conjunctive  as well as the
disjunctive.

2.       TAX CONSEQUENCES.

         2.1 TAX STATUS OF OPTION.  This Option is intended to be a Nonstatutory
Stock  Option and shall not be treated as an Incentive  Stock Option  within the
meaning of Section 422(b) of the Code.

         2.2 ELECTION UNDER SECTION 83(b) OF THE CODE. If the Optionee exercises
this  Option to  purchase  shares  of Stock  that are both  nontransferable  and
subject to a substantial risk of forfeiture,  the Optionee  understands that the
Optionee   should  consult  with  the  Optionee's  tax  advisor   regarding  the
advisability  of filing with the  Internal  Revenue  Service an  election  under
Section  83(b) of the Code,  which must be filed no later than  thirty (30) days
after the date on which the Optionee exercises the Option.  Shares acquired upon
exercise of the Option are  nontransferable and subject to a substantial risk of
forfeiture if, for example,  (a) they are unvested and are subject to a right of
the Company to repurchase such shares at the Optionee's  original purchase price
if the  Optionee's  Service  terminates,  or (b) the  Optionee  is  subject to a
restriction on transfer to comply with "Pooling-of-Interests  Accounting" rules.
Failure to file an election under Section 83(b), if  appropriate,  may result in
adverse tax  consequences to the Optionee.  The Optionee  acknowledges  that the
Optionee has been advised to consult with a tax advisor prior to the exercise of
the Option regarding the tax consequences to the Optionee of the exercise of the
Option.  AN ELECTION  UNDER SECTION 83(b) MUST BE FILED WITHIN 30 DAYS AFTER THE
DATE ON WHICH  THE  OPTIONEE  PURCHASES  SHARES.  THIS  TIME  PERIOD  CANNOT  BE
EXTENDED.  THE  OPTIONEE  ACKNOWLEDGES  THAT  TIMELY  FILING OF A SECTION  83(b)
ELECTION IS THE OPTIONEE'S SOLE  RESPONSIBILITY,  EVEN IF THE OPTIONEE  REQUESTS
THE COMPANY OR ITS REPRESENTATIVE TO FILE SUCH ELECTION ON HIS OR HER BEHALF.

3.  ADMINISTRATION.  All  questions  of  interpretation  concerning  this Option
Agreement  shall be  determined  by the  Board,  including  any  duly  appointed
Committee  of the  Board.  All  determinations  by the Board  shall be final and
binding  upon all persons  having an  interest  in the Option.  Any officer of a
Participating  Company  shall have the authority to act on behalf of the Company
with  respect  to any  matter,  right,  obligation,  or  election  which  is the
responsibility  of or which is  allocated  to the Company  herein,  provided the
officer has apparent authority with respect to such matter,  right,  obligation,
or election.

4.       EXERCISE OF THE OPTION.

         4.1      RIGHT TO EXERCISE.

                  (a) Except as otherwise  provided herein,  the Option shall be
exercisable on and after the Initial  Exercise Date and prior to the termination
of the Option (as  provided  in Section 6) in an amount not to exceed the Number
of Option Shares less the number of shares previously  acquired upon exercise of
the Option,  subject to the Optionee's  agreement that any shares purchased upon
exercise are subject to the Company's  repurchase rights set forth in Section 11
and Section 12.

         4.2 METHOD OF  EXERCISE.  Exercise  of the  Option  shall be by written
notice to the Company which must state the election to exercise the Option,  the
number of whole shares of Stock for which the Option is being exercised and such
other representations and agreements as to the Optionee's investment intent with
respect to such shares as may be required  pursuant  to the  provisions  of this
Option Agreement.  The written notice must be signed by the Optionee and must be
delivered in person, by certified or registered mail, return receipt  requested,
by confirmed facsimile  transmission,  or by such other means as the Company may
permit,  to the Chief  Financial  Officer of the  Company,  or other  authorized
representative of the Participating  Company Group,  prior to the termination of
the  Option as set forth in Section 6,  accompanied  by (i) full  payment of the
aggregate  Exercise Price for the number of shares of Stock being  purchased and
(ii) an executed copy, if required  herein,  of the then current forms of escrow
and  security  agreement  referenced  below.  The  Option  shall be deemed to be
exercised  upon receipt by the Company of such  written  notice,  the  aggregate
Exercise Price, and, if required by the Company, such executed agreements.

         4.3      PAYMENT OF EXERCISE PRICE.

                  (a) FORMS OF  CONSIDERATION  AUTHORIZED.  Except as  otherwise
provided below, payment of the aggregate Exercise Price for the number of shares
of Stock for which the Option is being  exercised  shall be made (i) in cash, by
check,  or cash  equivalent,  (ii) by tender to the  Company of whole  shares of
Stock owned by the  Optionee  having a Fair Market Value (as  determined  by the
Company without regard to any restrictions on transferability applicable to such
stock by  reason of  federal  or state  securities  laws or  agreements  with an
underwriter for the Company) not less than the aggregate  Exercise Price,  (iii)
by means of a Cashless  Exercise,  as defined  in  Section  4.3(C),  (iv) in the
Company's sole discretion at the time the Option is exercised, by the Optionee's
promissory  note for the aggregate  Exercise Price, or (v) by any combination of
the foregoing.

                  (b) TENDER OF STOCK. Notwithstanding the foregoing, the Option
may not be  exercised  by tender to the Company of shares of Stock to the extent
such tender of Stock would  constitute a violation of the provisions of any law,
regulation or agreement  restricting the redemption of the Company's  stock. The
Option may not be  exercised  by tender to the Company of shares of Stock unless
such shares  either have been owned by the Optionee for more than six (6) months
or were not acquired, directly or indirectly, from the Company.

                  (c)  CASHLESS  EXERCISE.   A  "CASHLESS  EXERCISE"  means  the
assignment in a form acceptable to the Company of the proceeds of a sale or loan
with respect to some or all of the shares of Stock acquired upon the exercise of
the  Option  pursuant  to  a  program  or  procedure  approved  by  the  Company
(including,   without  limitation,   through  an  exercise  complying  with  the
provisions  of  Regulation  T as  promulgated  from time to time by the Board of
Governors of the Federal Reserve System).  The Company reserves,  at any and all
times, the right, in the Company's sole and absolute  discretion,  to decline to
approve or terminate any such program or procedure.

                  (d) PAYMENT BY PROMISSORY  NOTE.  No promissory  note shall be
permitted  if an  exercise  of the  Option  using a  promissory  note would be a
violation of any law. The  promissory  note  permitted in clause (iv) of Section
4.3(a) shall be a full recourse note in a form satisfactory to the Company, with
principal  payable  no more  than four (4)  years  after the date the  Option is
exercised.  Interest on the principal  balance of the  promissory  note shall be
payable in annual  installments at the minimum  interest rate necessary to avoid
imputed interest pursuant to all applicable  sections of the Code. Such recourse
promissory note shall be secured by the shares of Stock acquired pursuant to the
then current form of security agreement as approved by the Company.  At any time
the Company is subject to the regulations  promulgated by the Board of Governors
of the Federal  Reserve System or any other  governmental  entity  affecting the
extension of credit in connection with the Company's securities,  any promissory
note shall comply with such applicable  regulations,  and the Optionee shall pay
the unpaid  principal and accrued  interest,  if any, to the extent necessary to
comply  with such  applicable  regulations.  Except as the  Company  in its sole
discretion shall determine,  the Optionee shall pay the unpaid principal balance
of the promissory note and any accrued  interest thereon upon termination of the
Optionee's Service with the Participating  Company Group for any reason, with or
without cause.

         4.4 TAX WITHHOLDING.  At the time the Option is exercised,  in whole or
in part,  or at any time  thereafter  as requested by the Company,  the Optionee
hereby authorizes  withholding from payroll and any other amounts payable to the
Optionee,  and  otherwise  agrees to make adequate  provision for  (including by
means of a Cashless  Exercise to the extent permitted by the Company),  any sums
required  to satisfy the  federal,  state,  local and  foreign  tax  withholding
obligations  of  the  Participating  Company  Group,  if  any,  which  arise  in
connection with the Option, including,  without limitation,  obligations arising
upon (i) the exercise, in whole or in part, of the Option, (ii) the transfer, in
whole or in part, of any shares acquired upon exercise of the Option,  (iii) the
operation of any law or regulation providing for the imputation of interest,  or
(iv) the lapsing of any  restriction  with respect to any shares  acquired  upon
exercise  of the  Option.  The  Optionee  is  cautioned  that the  Option is not
exercisable unless the tax withholding  obligations of the Participating Company
Group are satisfied.  Accordingly,  the Optionee may not be able to exercise the
Option when desired even though the Option is vested, and the Company shall have
no obligation to issue a certificate for such shares or release such shares from
any escrow provided for herein.

         4.5 CERTIFICATE REGISTRATION. Except in the event the Exercise Price is
paid by means of a Cashless Exercise, the certificate for the shares as to which
the Option is exercised shall be registered in the name of the Optionee,  or, if
applicable, in the names of the heirs of the Optionee.

         4.6  RESTRICTIONS  ON GRANT OF THE OPTION AND  ISSUANCE OF SHARES.  The
grant of the Option and the  issuance  of shares of Stock upon  exercise  of the
Option  shall be subject  to  compliance  with all  applicable  requirements  of
federal,  state or foreign law with respect to such  securities.  The Option may
not be  exercised  if the  issuance  of  shares  of Stock  upon  exercise  would
constitute a violation of any applicable  federal,  state or foreign  securities
laws or other law or  regulations or the  requirements  of any stock exchange or
market system upon which the Stock may then be listed.  In addition,  the Option
may not be exercised  unless (i) a registration  statement  under the Securities
Act shall at the time of exercise of the Option be in effect with respect to the
shares  issuable  upon  exercise  of the Option or (ii) in the  opinion of legal
counsel to the Company,  the shares  issuable upon exercise of the Option may be
issued  in  accordance  with  the  terms  of an  applicable  exemption  from the
registration  requirements of the Securities Act. THE OPTIONEE IS CAUTIONED THAT
THE OPTION MAY NOT BE EXERCISED  UNLESS THE FOREGOING  CONDITIONS ARE SATISFIED.
ACCORDINGLY,  THE  OPTIONEE  MAY NOT BE ABLE TO EXERCISE THE OPTION WHEN DESIRED
EVEN THOUGH THE OPTION IS VESTED.  The  inability  of the Company to obtain from
any regulatory  body having  jurisdiction  the authority,  if any, deemed by the
Company's  legal counsel to be necessary to the lawful  issuance and sale of any
shares  subject to the Option  shall  relieve  the Company of any  liability  in
respect of the failure to issue or sell such  shares as to which such  requisite
authority  shall not have been  obtained.  As a condition to the exercise of the
Option, the Company may require the Optionee to satisfy any qualifications  that
may be necessary or appropriate,  to evidence compliance with any applicable law
or regulation and to make any representation or warranty with respect thereto as
may be requested by the Company.

          4.7  FRACTIONAL  SHARES.  The  Company  shall not be required to issue
fractional shares upon the exercise of the Option.

5.  NONTRANSFERABILITY  OF THE OPTION.  The Option may be  exercised  during the
lifetime of the  Optionee  only by the  Optionee or the  Optionee's  guardian or
legal representative and may not be assigned or transferred in any manner except
by will or by the laws of descent and  distribution.  Following the death of the
Optionee,  the Option,  to the extent provided in Section 7, may be exercised by
the Optionee's  legal  representative  or by any person empowered to do so under
the deceased  Optionee's  will or under the then  applicable laws of descent and
distribution.

6.  TERMINATION OF THE OPTION.  The Option shall  terminate and may no longer be
exercised on the first to occur of (a) the Option  Expiration Date, (b) the last
date for exercising the Option following  termination of the Optionee's  Service
as described  in Section 7, or (c) a Transfer of Control to the extent  provided
in Section 8.

7.       EFFECT OF TERMINATION OF SERVICE.

         7.1      OPTION EXERCISABILITY.

                  (a)   DISABILITY.   If  the   Optionee's   Service   with  the
Participating  Company  Group is  terminated  because of the  Disability  of the
Optionee,  the Option, to the extent  unexercised and exercisable on the date on
which the Optionee's  Service  terminated,  may be exercised by the Optionee (or
the  Optionee's  guardian  or legal  representative)  at any  time  prior to the
expiration  of six (6)  months  after the date on which the  Optionee's  Service
terminated, but in any event no later than the Option Expiration Date.

                  (b) DEATH.  If the Optionee's  Service with the  Participating
Company Group is terminated because of the death of the Optionee, the Option, to
the  extent  unexercised  and  exercisable  on the date on which the  Optionee's
Service  terminated,  may be exercised by the Optionee (or the Optionee's  legal
representative, or other person who acquired the right to exercise the Option by
reason of the  Optionee's  death) at any time prior to the expiration of six (6)
months after the date on which the  Optionee's  Service  terminated,  but in any
event no later than the Option Expiration Date. The Optionee's  Service shall be
deemed to have terminated on account of death if the Optionee dies within thirty
(30) days  after the  Optionee's  termination  of Service  (other  than due to a
Termination For Cause).

                  (c) TERMINATION  AFTER TRANSFER OF CONTROL.  If the Optionee's
Service  with  the  Participating  Company  Group  is  terminated  because  of a
Termination After Transfer of Control (as defined below), (i) the Option, to the
extent  unexercised and exercisable on the date on which the Optionee's  Service
terminated,  may be exercised by the  Optionee  (or the  Optionee's  guardian or
legal  representative)  at any time  prior to the  expiration  of six (6) months
after the date on which the Optionee's Service  terminated,  but in any event no
later than the Option Expiration Date, and (ii) solely for purposes of computing
the Vested Ratio,  the Optionee  shall be given credit for an additional  twelve
(12) months of continuous Service; provided, however, that in no event shall the
Vested Ratio exceed 1/1.

                  (d) OTHER  TERMINATION OF SERVICE.  If the Optionee's  Service
with  the  Participating   Company  Group  terminates  for  any  reason,  except
Disability,  death, or Termination After Transfer of Control, the Option, to the
extent  unexercised  and  exercisable  by the  Optionee on the date on which the
Optionee's  Service  terminated,  may be exercised by the Optionee within thirty
(30) days (or such other longer period of time as  determined  by the Board,  in
its sole discretion) after the date on which the Optionee's Service  terminated,
but in any event no later than the Option Expiration Date.

         7.2  CERTAIN DEFINITIONS.

                  (a) "TERMINATION  AFTER TRANSFER OF CONTROL" shall mean either
of the following  events occurring within twelve (12) months after a Transfer of
Control (as defined in Section 8.1(b) below):

                         (i) termination by the  Participating  Company Group of
the Optionee's Service with the Participating Company Group for any reason other
than a Termination For Cause; or

                         (ii) the Optionee's  resignation  from Service with the
Participating  Company  Group within a reasonable  period of time  following any
Constructive Termination (as defined below).

                  Notwithstanding   any   provision   herein  to  the  contrary,
Termination  After Transfer of Control shall not include any  termination of the
Optionee's  Service  with  the  Participating  Company  Group  which  (1)  is  a
Termination  For Cause;  (2) is a result of the Optionee's  death or Disability;
(3) is a result of the  Optionee's  voluntary  termination of Service other than
upon  Constructive  Termination (as defined  below);  or (4) occurs prior to the
effectiveness of a Transfer of Control.

                  (b)  "TERMINATION  FOR CAUSE"  shall mean  termination  by the
Participating  Company Group of the  Optionee's  Service with the  Participating
Company  Group for any of the  following  reasons:  (i)  theft,  dishonesty,  or
falsification  of  any  Participating  Company  records;  (ii)  improper  use or
disclosure of a Participating Company's confidential or proprietary information;
(iii)  any  action  by  the  Optionee  which  has  a  detrimental  effect  on  a
Participating  Company's reputation or business;  (iv) the Optionee's failure or
inability to perform any  reasonable  assigned  duties after written notice from
the Participating  Company Group of, and a reasonable  opportunity to cure, such
failure or inability;  (v) any material breach by the Optionee of any employment
agreement between the Optionee and the Participating Company Group, which breach
is not cured  pursuant to the terms of such  agreement;  or (vi) the  Optionee's
conviction of any criminal act which impairs the  Optionee's  ability to perform
his or her duties with the Participating Company Group.

                  (c) "CONSTRUCTIVE  TERMINATION"  shall mean any one or more of
the following:

                         (i) without the Optionee's express written consent, the
assignment to the Optionee of any duties,  or any  limitation of the  Optionee's
responsibilities,  substantially  inconsistent  with the  Optionee's  positions,
duties,  responsibilities  and  status  with  the  Participating  Company  Group
immediately prior to the date of the Transfer of Control;

                         (ii) without the Optionee's  express  written  consent,
the relocation of the principal place of the Optionee's employment to a location
that is more than  fifty  (50)  miles  from the  Optionee's  principal  place of
employment  immediately  prior to the date of the  Transfer of  Control,  or the
imposition of travel  requirements  substantially more demanding of the Optionee
than such  travel  requirements  existing  immediately  prior to the date of the
Transfer of Control;

                         (iii) any failure by the Participating Company Group to
pay, or any material  reduction by the  Participating  Company Group of, (1) the
Optionee's base salary in effect  immediately  prior to the date of the Transfer
of Control (unless reductions comparable in amount and duration are concurrently
made  for  all  other  employees  of  the   Participating   Company  Group  with
responsibilities  organizational  level and title comparable to the Optionee's),
or (2) the Optionee's bonus compensation, if any, in effect immediately prior to
the  date  of  the  Transfer  of  Control  (subject  to  applicable  performance
requirements with respect to the actual amount of bonus  compensation  earned by
the Optionee); or

                         (iv) any failure by the Participating  Company Group to
(1) continue to provide the Optionee with the  opportunity  to  participate,  on
terms no less  favorable  than those in effect for the  benefit of any  employee
group which customarily  includes a person holding the employment  position or a
comparable  position  with the  Participating  Company  Group  then  held by the
Optionee, in any benefit or compensation plans and programs,  including, but not
limited to, the Participating Company Group's life, disability,  health, dental,
medical,  savings,  profit sharing, stock purchase and retirement plans, if any,
in which the Optionee  was  participating  immediately  prior to the date of the
Transfer of Control,  or their equivalent,  or (2) provide the Optionee with all
other fringe benefits (or their  equivalent) from time to time in effect for the
benefit of any employee  group which  customarily  includes a person holding the
employment  position or a comparable  position  with the  Participating  Company
Group then held by the Optionee.

         7.3 ADDITIONAL  LIMITATIONS  ON OPTION  EXERCISE.  Notwithstanding  the
provisions of Section 7.1, the Option may not be exercised  after the Optionee's
termination  of  Service  to the  extent  that the  shares to be  acquired  upon
exercise of the Option would be subject to the Unvested Share Repurchase  Option
as  provided in Section 11.  Except as the  Company and the  Optionee  otherwise
agree,  exercise of the Option pursuant to Section 7.1 following  termination of
the  Optionee's  Service  may not be made by delivery  of a  promissory  note as
provided in Section 43(a).

         7.4  EXTENSION  IF  EXERCISE  PREVENTED  BY  LAW.  Notwithstanding  the
foregoing,  if the exercise of the Option within the applicable time periods set
forth in Section 7.1 is prevented by the  provisions  of Section 4.6, the Option
shall remain  exercisable  until three (3) months after the date the Optionee is
notified  by the  Company  that the Option is  exercisable,  but in any event no
later than the Option Expiration Date.

         7.5 EXTENSION IF OPTIONEE SUBJECT TO SECTION 16(b). Notwithstanding the
foregoing, if a sale within the applicable time periods set forth in Section 7.1
of shares acquired upon the exercise of the Option would subject the Optionee to
suit  under  Section  16(b)  of  the  Exchange  Act,  the  Option  shall  remain
exercisable  until the earliest to occur of (i) the tenth  (10th) day  following
the date on which a sale of such  shares  by the  Optionee  would no  longer  be
subject to such suit,  (ii) the one hundred and ninetieth  (190th) day after the
Optionee's termination of Service, or (iii) the Option Expiration Date.

         7.6 LEAVE OF ABSENCE.  For  purposes  of Section  7.1,  the  Optionee's
Service with the Participating Company Group shall not be deemed to terminate if
the Optionee takes any military  leave,  sick leave, or other bona fide leave of
absence  approved by the Company of ninety (90) days or less.  In the event of a
leave of absence in excess of ninety (90) days, the Optionee's  Service shall be
deemed to  terminate  on the  ninety-first  (91st) day of such leave  unless the
Optionee's right to reemployment  with the  Participating  Company Group remains
guaranteed  by  statute  or  contract.  Notwithstanding  the  foregoing,  unless
otherwise  designated  by the Company (or  required by law),  a leave of absence
shall not be treated as Service  for  purposes  of  determining  the  Optionee's
Vested Ratio.

8.       TRANSFER OF CONTROL.

         8.1      DEFINITIONS.

                  (a) An  "OWNERSHIP  CHANGE  EVENT"  shall  be  deemed  to have
occurred if any of the following occurs with respect to the Company:

                         (i) the direct or indirect sale or exchange in a single
or series of related  transactions  by the  shareholders  of the Company of more
than fifty percent (50%) of the voting stock of the Company;

                         (ii) a merger or  consolidation in which the Company is
a party; or

                         (iii)  the  sale,  exchange,  or  transfer  of  all  or
substantially all of the assets of the Company; or

                         (iv) a liquidation or dissolution of the Company.

                  (b) A "TRANSFER  OF CONTROL"  shall mean an  Ownership  Change
Event  or a  series  of  related  Ownership  Change  Events  (collectively,  the
"TRANSACTION")  wherein the shareholders of the Company  immediately  before the
Transaction do not retain  immediately  after the Transaction,  in substantially
the same  proportions as their ownership of shares of the Company's voting stock
immediately before the Transaction,  direct or indirect beneficial  ownership of
more  than  fifty  percent  (50%)  of the  total  combined  voting  power of the
outstanding  voting stock of the Company or the  corporation or  corporations to
which  the   assets  of  the   Company   were   transferred   (the   "TRANSFEREE
CORPORATION(S)"),  as the case may be. For purposes of the  preceding  sentence,
indirect beneficial  ownership shall include,  without  limitation,  an interest
resulting from ownership of the voting stock of one or more corporations  which,
as  a  result  of  the   Transaction,   own  the   Company  or  the   Transferee
Corporation(s),  as the case may be,  either  directly  or  through  one or more
subsidiary  corporations.  The Board shall have the right to  determine  whether
multiple  sales or  exchanges  of the voting  stock of the  Company or  multiple
Ownership  Change  Events are  related,  and its  determination  shall be final,
binding and conclusive.

         8.2 EFFECT OF TRANSFER OF CONTROL ON OPTION. In the event of a Transfer
of Control, the surviving,  continuing,  successor, or purchasing corporation or
parent corporation  thereof,  as the case may be (the "Acquiring  Corporation"),
may either  assume the  Company's  rights  and  obligations  under the Option or
substitute for the Option a  substantially  equivalent  option for the Acquiring
Corporation's  stock.  The Option shall  terminate  and cease to be  outstanding
effective  as of the date of the  Transfer  of Control  to the  extent  that the
Option is neither  assumed or  substituted  for by the Acquiring  Corporation in
connection  with the  Transfer  of Control nor  exercised  as of the date of the
Transfer  of  Control.  Notwithstanding  the  foregoing,  shares  acquired  upon
exercise of the Option  prior to the  Transfer of Control and any  consideration
received  pursuant to the  Transfer of Control with respect to such shares shall
continue to be subject to all  applicable  provisions  of this Option  Agreement
except as otherwise provided herein. Furthermore, notwithstanding the foregoing,
if the corporation the stock of which is subject to the Option immediately prior
to an Ownership  Change  Event  described in Section  8.1(a)(i)  constituting  a
Transfer of Control is the surviving or continuing  corporation  and immediately
after such  Ownership  Change Event less than fifty  percent  (50%) of the total
combined  voting power of its voting stock is held by another  corporation or by
other corporations that are members of an affiliated group within the meaning of
Section  1504(a) of the Code without regard to the provisions of Section 1504(b)
of the Code, the Option shall not terminate unless the Board otherwise  provides
in its sole discretion.

9.  ADJUSTMENTS  FOR  CHANGES  IN CAPITAL  STRUCTURE.  In the event of any stock
dividend,  stock  split,  reverse  stock split,  recapitalization,  combination,
reclassification,  or similar  change in the capital  structure  of the Company,
appropriate adjustments shall be made in the number, Exercise Price and class of
shares of stock subject to the Option.  If a majority of the shares which are of
the same class as the shares that are subject to the Option are  exchanged  for,
converted  into,  or otherwise  become  (whether or not pursuant to an Ownership
Change Event) shares of another  corporation  (the "NEW SHARES"),  the Board may
unilaterally  amend the Option to provide that the Option is exercisable for New
Shares. In the event of any such amendment,  the Number of Option Shares and the
Exercise Price shall be adjusted in a fair and equitable  manner,  as determined
by the  Board,  in its  sole  discretion.  Notwithstanding  the  foregoing,  any
fractional  share resulting from an adjustment  pursuant to this Section 9 shall
be rounded up or down to the nearest whole  number,  as determined by the Board,
and in no event may the  Exercise  Price be decreased to an amount less than the
par  value,  if  any,  of the  stock  subject  to the  Option.  The  adjustments
determined by the Board  pursuant to this Section 9 shall be final,  binding and
conclusive.

10. RIGHTS AS A SHAREHOLDER,  EMPLOYEE OR CONSULTANT. The Optionee shall have no
rights as a shareholder  with respect to any shares  covered by the Option until
the date of the  issuance of a  certificate  for the shares for which the Option
has been  exercised (as evidenced by the  appropriate  entry on the books of the
Company or of a duly  authorized  transfer agent of the Company).  No adjustment
shall be made for dividends,  distributions or other rights for which the record
date is prior to the date such  certificate  is issued,  except as  provided  in
Section 9. Nothing in this Option  Agreement  shall confer upon the Optionee any
right to continue in the Service of a Participating  Company or interfere in any
way  with  any  right  of the  Participating  Company  Group  to  terminate  the
Optionee's  Service as an  Employee  or  Consultant,  as the case may be, at any
time.

11.      UNVESTED SHARE REPURCHASE OPTION.

         11.1  GRANT OF  UNVESTED  SHARE  REPURCHASE  OPTION.  In the  event the
Optionee's  Service with the  Participating  Company Group is terminated for any
reason or no reason, with or without cause, or, if the Optionee,  the Optionee's
legal  representative,  or other holder of shares  acquired upon exercise of the
Option attempts to sell,  exchange,  transfer,  pledge,  or otherwise dispose of
(other than  pursuant to an Ownership  Change  Event) any shares  acquired  upon
exercise of the Option which exceed the Vested Shares as defined in Section 11.2
below (the  "UNVESTED  SHARES"),  the Company shall have the right to repurchase
the Unvested  Shares under the terms and subject to the  conditions set forth in
this Section 11 (the "UNVESTED SHARE REPURCHASE OPTION").

         11.2 VESTED SHARES AND UNVESTED  SHARES  DEFINED.  The "VESTED  SHARES"
shall mean,  on any given date,  a number of shares of Stock equal to the Number
of Option Shares  multiplied by the Vested Ratio  determined as of such date and
rounded  down to the nearest  whole  share.  On such given date,  the  "UNVESTED
SHARES"  shall mean the number of shares of Stock  acquired upon exercise of the
Option which exceed the Vested Shares determined as of such date.

         11.3  EXERCISE OF UNVESTED  SHARE  REPURCHASE  OPTION.  The Company may
exercise  the  Unvested  Share  Repurchase  Option by written  notice  delivered
personally  or forwarded  by first class mail to the Optionee  within sixty (60)
days after (a) termination of the Optionee's Service (or exercise of the Option,
if later) or (b) the Company has received notice of the attempted disposition of
Unvested Shares.  If the Company fails to give notice within such sixty (60) day
period,  the Unvested Share Repurchase Option shall terminate unless the Company
and the Optionee have  extended the time for the exercise of the Unvested  Share
Repurchase Option. The Unvested Share Repurchase Option must be exercised, if at
all,  for all of the  Unvested  Shares,  except as the Company and the  Optionee
otherwise agree.

         11.4  PAYMENT FOR SHARES AND RETURN OF SHARES TO COMPANY.  The purchase
price per share being repurchased by the Company shall be an amount equal to the
Optionee's  original  cost per share,  as  adjusted  pursuant  to Section 9 (the
"REPURCHASE PRICE"). The Company shall pay the aggregate Repurchase Price to the
Optionee in cash within thirty (30) days after the date of personal  delivery or
mailing of the written  notice of the Company's  exercise of the Unvested  Share
Repurchase  Option.   For  purposes  of  the  foregoing,   cancellation  of  any
indebtedness  of the Optionee to any  Participating  Company shall be treated as
payment to the  Optionee in cash to the extent of the unpaid  principal  and any
accrued interest  canceled.  The shares being  repurchased shall be delivered to
the Company by the Optionee at the same time as the  delivery of the  Repurchase
Price to the Optionee.

         11.5 ASSIGNMENT OF UNVESTED SHARE REPURCHASE  OPTION. The Company shall
have the right to  assign  the  Unvested  Share  Repurchase  Option at any time,
whether or not such option is then exercisable, to one or more persons as may be
selected by the Company.

         11.6 OWNERSHIP CHANGE EVENT. Upon the occurrence of an Ownership Change
Event, any and all new,  substituted or additional  securities or other property
to which the  Optionee  is  entitled by reason of the  Optionee's  ownership  of
Unvested  Shares shall be immediately  subject to the Unvested Share  Repurchase
Option and included in the terms "Stock" and "Unvested  Shares" for all purposes
of the Unvested  Share  Repurchase  Option with the same force and effect as the
Unvested  Shares  immediately  prior to the Ownership  Change  Event.  While the
aggregate  Repurchase  Price shall remain the same after such  Ownership  Change
Event,  the  Repurchase  Price per Unvested  Share upon exercise of the Unvested
Share Repurchase  Option following such Ownership Change Event shall be adjusted
as  appropriate.  For  purposes of  determining  the Vested  Ratio  following an
Ownership  Change  Event,  credited  Service  shall include all Service with any
corporation  which  is a  Participating  Company  at the  time  the  Service  is
rendered, whether or not such corporation is a Participating Company both before
and after the Ownership Change Event.

12.      RIGHT OF FIRST REFUSAL.

         12.1 GRANT OF RIGHT OF FIRST  REFUSAL.  Except as  provided  in Section
12.7 below, in the event the Optionee,  the Optionee's legal representative,  or
other holder of shares  acquired upon  exercise of the Option  proposes to sell,
exchange,  transfer,  pledge,  or  otherwise  dispose of any Vested  Shares (the
"TRANSFER SHARES") to any person or entity, including,  without limitation,  any
shareholder of the Participating Company Group, the Company shall have the right
to repurchase the Transfer  Shares under the terms and subject to the conditions
set forth in this Section 12 (the "RIGHT OF FIRST REFUSAL").

         12.2 NOTICE OF PROPOSED TRANSFER. Prior to any proposed transfer of the
Transfer  Shares,  the  Optionee  shall  give a written  notice  (the  "TRANSFER
NOTICE") to the Company  describing fully the proposed  transfer,  including the
number of Transfer Shares, the name and address of the proposed  transferee (the
"PROPOSED TRANSFEREE") and, if the transfer is voluntary,  the proposed transfer
price, and containing such information necessary to show the bona fide nature of
the proposed transfer. In the event of a bona fide gift or involuntary transfer,
the proposed  transfer  price shall be deemed to be the Fair Market Value of the
Transfer  Shares,  as  determined  by the Board in good faith.  If the  Optionee
proposes to transfer any Transfer  Shares to more than one Proposed  Transferee,
the Optionee shall provide a separate  Transfer Notice for the proposed transfer
to each  Proposed  Transferee.  The Transfer  Notice shall be signed by both the
Optionee and the Proposed Transferee and must constitute a binding commitment of
the Optionee and the Proposed Transferee for the transfer of the Transfer Shares
to the Proposed Transferee subject only to the Right of First Refusal.

         12.3 BONA FIDE TRANSFER. If the Company determines that the information
provided by the Optionee in the Transfer Notice is insufficient to establish the
bona fide nature of a proposed  voluntary  transfer,  the Company shall give the
Optionee  written notice of the Optionee's  failure to comply with the procedure
described in this  Section 12, and the Optionee  shall have no right to transfer
the Transfer Shares without first complying with the procedure described in this
Section 12. The Optionee shall not be permitted to transfer the Transfer  Shares
if the proposed transfer is not bona fide.

         12.4 EXERCISE OF RIGHT OF FIRST REFUSAL.  If the Company determines the
proposed  transfer to be bona fide, the Company shall have the right to purchase
all,  but not less than all, of the Transfer  Shares  (except as the Company and
the Optionee  otherwise  agree) at the purchase price and on the terms set forth
in the  Transfer  Notice by delivery to the  Optionee of a notice of exercise of
the Right of First  Refusal  within thirty (30) days after the date the Transfer
Notice is  delivered  to the  Company.  The  Company's  exercise  or  failure to
exercise  the Right of First  Refusal  with  respect  to any  proposed  transfer
described in a Transfer  Notice shall not affect the Company's right to exercise
the Right of First  Refusal with respect to any proposed  transfer  described in
any other Transfer  Notice,  whether or not such other Transfer Notice is issued
by the Optionee or issued by a person other than the Optionee  with respect to a
proposed transfer to the same Proposed Transferee.  If the Company exercises the
Right of First Refusal,  the Company and the Optionee shall thereupon consummate
the sale of the  Transfer  Shares to the  Company  on the terms set forth in the
Transfer  Notice  within sixty (60) days after the date the  Transfer  Notice is
delivered  to the  Company  (unless a longer  period is offered by the  Proposed
Transferee);  provided,  however, that in the event the Transfer Notice provides
for the payment for the Transfer  Shares other than in cash,  the Company  shall
have the  option of paying for the  Transfer  Shares by the  present  value cash
equivalent of the  consideration  described in the Transfer Notice as reasonably
determined by the Company.  For purposes of the foregoing,  cancellation  of any
indebtedness  of the Optionee to any  Participating  Company shall be treated as
payment to the  Optionee in cash to the extent of the unpaid  principal  and any
accrued interest canceled.

         12.5 FAILURE TO EXERCISE RIGHT OF FIRST  REFUSAL.  If the Company fails
to exercise the Right of First  Refusal in full (or to such lesser extent as the
Company and the Optionee otherwise agree) within the period specified in Section
12.4 above,  the Optionee may conclude a transfer to the Proposed  Transferee of
the  Transfer  Shares on the  terms and  conditions  described  in the  Transfer
Notice,  provided such transfer occurs not later than ninety (90) days following
delivery to the Company of the Transfer Notice. The Company shall have the right
to demand further assurances from the Optionee and the Proposed Transferee (in a
form  satisfactory  to the Company) that the transfer of the Transfer Shares was
actually  carried  out on the terms and  conditions  described  in the  Transfer
Notice.  No Transfer  Shares  shall be  transferred  on the books of the Company
until the Company has received such assurances, if so demanded, and has approved
the  proposed  transfer  as bona  fide.  Any  proposed  transfer  on  terms  and
conditions different from those described in the Transfer Notice, as well as any
subsequent  proposed  transfer  by the  Optionee,  shall again be subject to the
Right of First  Refusal and shall  require  compliance  by the Optionee with the
procedure described in this Section 12.

         12.6  TRANSFEREES OF TRANSFER  SHARES.  All transferees of the Transfer
Shares or any interest therein,  other than the Company,  shall be required as a
condition of such  transfer to agree in writing (in a form  satisfactory  to the
Company) that such  transferee  shall  receive and hold such Transfer  Shares or
interest  therein  subject  to all of the terms and  conditions  of this  Option
Agreement,  including  this Section 12 providing  for the Right of First Refusal
with  respect to any  subsequent  transfer.  Any sale or  transfer of any shares
acquired upon exercise of the Option shall be void unless the provisions of this
Section 12 are met.

         12.7  TRANSFERS  NOT  SUBJECT TO RIGHT OF FIRST  REFUSAL.  The Right of
First Refusal shall not apply to any transfer or exchange of the shares acquired
upon exercise of the Option if such  transfer or exchange is in connection  with
an  Ownership  Change  Event.  If the  consideration  received  pursuant to such
transfer  or  exchange  consists  of  stock  of a  Participating  Company,  such
consideration  shall  remain  subject to the Right of First  Refusal  unless the
provisions of Section 12.9 below result in a  termination  of the Right of First
Refusal.

         12.8  ASSIGNMENT OF RIGHT OF FIRST REFUSAL.  The Company shall have the
right to assign the Right of First Refusal at any time, whether or not there has
been an  attempted  transfer,  to one or more  persons as may be selected by the
Company.

         12.9 EARLY TERMINATION OF RIGHT OF FIRST REFUSAL.  The other provisions
of this  Option  Agreement  notwithstanding,  the Right of First  Refusal  shall
terminate  and be of no further  force and effect upon (a) the  occurrence  of a
Transfer of Control,  unless the  Acquiring  Corporation  assumes the  Company's
rights  and  obligations   under  the  Option  or  substitutes  a  substantially
equivalent option for the Acquiring  Corporation's  stock for the Option, or (b)
the existence of a public market for the class of shares subject to the Right of
First Refusal.  A "PUBLIC  MARKET" shall be deemed to exist if (i) such stock is
listed on a national  securities  exchange (as that term is used in the Exchange
Act) or (ii) such  stock is traded on the  over-the-counter  market  and  prices
therefor are published daily on business days in a recognized financial journal.

13.      ESCROW.

         13.1  ESTABLISHMENT  OF ESCROW.  To ensure that  shares  subject to the
Unvested Share  Repurchase  Option or the Right of First Refusal or securing any
promissory  note will be available for  repurchase,  the Company may require the
Optionee to deposit the  certificate  evidencing  the shares  which the Optionee
purchases  upon  exercise of the Option with an agent  designated by the Company
under the terms and conditions of escrow and security agreements approved by the
Company. If the Company does not require such deposit as a condition of exercise
of the  Option,  the  Company  reserves  the  right at any time to  require  the
Optionee to so deposit the  certificate  in escrow.  Upon the  occurrence  of an
Ownership Change Event or a change,  as described in Section 9, in the character
or amount of any of the outstanding  stock of the corporation the stock of which
is  subject  to the  provisions  of this  Option  Agreement,  any  and all  new,
substituted or additional  securities or other property to which the Optionee is
entitled by reason of the Optionee's  ownership of shares of Stock acquired upon
exercise of the Option that remain,  following  such  Ownership  Change Event or
change described in Section 9, subject to the Unvested Share Repurchase  Option,
the Right of First Refusal or any security interest held by the Company shall be
immediately  subject  to the escrow to the same  extent as such  shares of Stock
immediately before such event.
The Company shall bear the expenses of the escrow.

         13.2 DELIVERY OF SHARES TO OPTIONEE.  As soon as practicable  after the
expiration  of the  Unvested  Share  Repurchase  Option  and the  Right of First
Refusal and after full repayment of any promissory note secured by the shares or
other property in escrow, but not more frequently than twice each calendar year,
the escrow agent shall deliver to the Optionee the shares and any other property
no longer  subject to such  restrictions  and no longer  securing any promissory
note.

         13.3  NOTICES  AND  PAYMENTS.  In the  event the  shares  and any other
property  held in escrow are subject to the  Company's  exercise of the Unvested
Share Repurchase  Option or the Right of First Refusal,  the notices required to
be given to the  Optionee  shall be given to the escrow  agent,  and any payment
required to be given to the Optionee shall be given to the escrow agent.  Within
thirty (30) days after  payment by the Company,  the escrow agent shall  deliver
the shares and any other property which the Company has purchased to the Company
and shall deliver the payment received from the Company to the Optionee.

14.  STOCK  DISTRIBUTIONS  SUBJECT TO OPTION  AGREEMENT.  If, from time to time,
there is any stock  dividend,  stock  split or other  change,  as  described  in
Section 9, in the  character  or amount of any of the  outstanding  stock of the
corporation  the stock of which is  subject  to the  provisions  of this  Option
Agreement,  then  in such  event  any and all  new,  substituted  or  additional
securities  to which the  Optionee  is  entitled  by  reason  of the  Optionee's
ownership  of  the  shares  acquired  upon  exercise  of  the  Option  shall  be
immediately  subject to the Unvested Share Repurchase Option, the Right of First
Refusal,  and any security  interest held by the Company with the same force and
effect as the shares subject to the Unvested Share Repurchase  Option, the Right
of First Refusal, and such security interest immediately before such event.

15. LEGENDS.  The Company may at any time place legends referencing the Unvested
Share Repurchase Option, the Right of First Refusal, and any applicable federal,
state or foreign  securities law restrictions on all  certificates  representing
shares of stock subject to the provisions of this Option Agreement. The Optionee
shall,  at the request of the Company,  promptly  present to the Company any and
all  certificates  representing  shares  acquired  pursuant to the Option in the
possession of the Optionee in order to carry out the provisions of this Section.
Unless otherwise  specified by the Company,  legends placed on such certificates
may include, but shall not be limited to, the following:

         15.1  "THE  SECURITIES  EVIDENCED  BY THIS  CERTIFICATE  HAVE  NOT BEEN
REGISTERED  UNDER THE SECURITIES  ACT OF 1933, AS AMENDED,  AND MAY NOT BE SOLD,
TRANSFERRED,  ASSIGNED OR HYPOTHECATED UNLESS THERE IS AN EFFECTIVE REGISTRATION
STATEMENT  UNDER  SUCH  ACT  COVERING  SUCH  SECURITIES,  THE  SALE  IS  MADE IN
ACCORDANCE  WITH RULE 144 OR RULE 701 UNDER THE ACT, OR THE COMPANY  RECEIVES AN
OPINION OF COUNSEL FOR THE HOLDER OF THESE SECURITIES REASONABLY SATISFACTORY TO
THE COMPANY,  STATING THAT SUCH SALE,  TRANSFER,  ASSIGNMENT OR HYPOTHECATION IS
EXEMPT FROM THE REGISTRATION AND PROSPECTUS DELIVERY REQUIREMENTS OF SUCH ACT."

         15.2 Any legend  required to be placed thereon by the  Commissioner  of
Corporations of the State of California.

         15.3 "THE  SHARES  REPRESENTED  BY THIS  CERTIFICATE  ARE SUBJECT TO AN
UNVESTED SHARE REPURCHASE OPTION IN FAVOR OF THE CORPORATION OR ITS ASSIGNEE SET
FORTH IN AN AGREEMENT BETWEEN THE CORPORATION AND THE REGISTERED HOLDER, OR SUCH
HOLDER'S  PREDECESSOR  IN INTEREST,  A COPY OF WHICH IS ON FILE AT THE PRINCIPAL
OFFICE OF THIS CORPORATION."

         15.4 "THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO A RIGHT
OF FIRST REFUSAL OPTION IN FAVOR OF THE CORPORATION OR ITS ASSIGNEE SET FORTH IN
AN AGREEMENT BETWEEN THE CORPORATION AND THE REGISTERED HOLDER, OR SUCH HOLDER'S
PREDECESSOR IN INTEREST,  A COPY OF WHICH IS ON FILE AT THE PRINCIPAL  OFFICE OF
THIS CORPORATION."

16.  PUBLIC  OFFERING.  The  Optionee  hereby  agrees  that in the  event of any
underwritten  public offering of stock,  including an initial public offering of
stock, made by the Company pursuant to an effective registration statement filed
under the Securities Act, the Optionee shall not offer, sell,  contract to sell,
pledge, hypothecate,  grant any option to purchase or make any short sale of, or
otherwise dispose of any shares of stock of the Company or any rights to acquire
stock of the Company for such period of time from and after the  effective  date
of such registration statement as may be established by the underwriter for such
public offering;  provided,  however,  that such period of time shall not exceed
one  hundred  eighty  (180)  days from the  effective  date of the  registration
statement to be filed in  connection  with such public  offering.  The foregoing
limitation shall not apply to shares registered in the public offering under the
Securities Act. The Optionee shall be subject to this Section  provided and only
if the  officers  and  directors  of the  Company  are also  subject  to similar
arrangements.

17. BINDING  EFFECT.  Subject to the  restrictions on transfer set forth herein,
this Option  Agreement  shall  inure to the  benefit of and be binding  upon the
parties hereto and their respective heirs, executors, administrators, successors
and assigns.

18.  TERMINATION OR AMENDMENT.  The Board may terminate or amend the Plan or the
Option at any time; provided, however, that except as provided in Section 8.2 in
connection  with a Transfer of Control,  no such  termination  or amendment  may
adversely  affect the  Option or any  unexercised  portion  hereof  without  the
consent of the  Optionee  unless such  termination  or amendment is necessary to
comply  with any  applicable  law or  government  regulation.  No  amendment  or
addition to this Option Agreement shall be effective unless in writing.

19.  INTEGRATED  AGREEMENT.  This Option  Agreement and the Plan  constitute the
entire understanding and agreement of the Optionee and the Participating Company
Group with respect to the subject matter  contained herein and therein and there
are no agreements, understandings,  restrictions, representations, or warranties
among the  Optionee  and the  Participating  Company  Group with respect to such
subject  matter other than those as set forth or provided for herein or therein.
To the extent  contemplated  herein or therein,  the  provisions  of this Option
Agreement  shall  survive any  exercise  of the Option and shall  remain in full
force and effect.

20.  APPLICABLE LAW. This Option  Agreement shall be governed by the laws of the
State of California as such laws are applied to  agreements  between  California
residents  entered  into  and to be  performed  entirely  within  the  State  of
California.

                                                  PORTOLA COMMUNICATIONS, INC.


                                                  By:                      
                                                  Title:                   

The  Optionee  represents  that the  Optionee  is  familiar  with the  terms and
provisions of this Option  Agreement,  including the Unvested  Share  Repurchase
Option  set  forth in  Section  11 and the Right of First  Refusal  set forth in
Section  12,  and  hereby  accepts  the  Option  subject to all of the terms and
provisions thereof. The Optionee hereby agrees to accept as binding,  conclusive
and final all  decisions  or  interpretations  of the Board  upon any  questions
arising under this Option Agreement.  The undersigned  acknowledges receipt of a
copy of the Plan.

                                                  OPTIONEE 

                                                  Date:         


                                                                     Exhibit 5.1


                                 March 17, 1999

America Online, Inc.
22000 AOL Way
Dulles, Virginia 20166

Ladies and Gentlemen:

         This  opinion is  furnished  in  connection  with the filing by America
Online,  Inc. (the "Company")  with the Securities and Exchange  Commission of a
Registration  Statement  on Form S-8 (the  "Registration  Statement")  under the
Securities Act of 1933, as amended. You have requested my opinion concerning the
status under  Delaware law of the 9,750 shares (the  "Shares") of the  Company's
common stock, par value $.01 per share ("Common  Stock"),  and certain Preferred
Stock  Purchase  Rights  (the  "Rights")  which are being  registered  under the
Registration  Statement for issuance by the Company pursuant to the terms of the
Portola Communications, Inc. 1996 Stock Option Plan (the "Plan").

         I am Acting General Counsel to the Company and have acted as counsel in
connection with the Registration Statement.  In that connection,  I, or a member
of my  staff  upon  whom I have  relied,  have  examined  and am  familiar  with
originals or copies, certified or otherwise, identified to our satisfaction, of:

1.        Restated  Certificate of Incorporation of the Company, as amended, and
          as presently in effect;

2.        Restated By-Laws of the Company as presently in effect;

3.        Certain resolutions adopted by the Company's Board of Directors;

4.        Rights  Agreement of the Company  adopted on May 12, 1998 (the "Rights
          Agreement"); and

5.        The Plan.

         In our examination,  we have assumed the genuineness of all signatures,
the legal  capacity  of  natural  persons,  the  authenticity  of all  documents
submitted  to us as  originals,  the  conformity  to original  documents  of all
documents   submitted  to  us  as  certified  or  photostatic   copies  and  the
authenticity of the originals of such copies. We have also assumed that: (i) all
of the Shares will be issued for the  consideration  permitted under the Plan as
currently in effect,  and none of such Shares will be issued for less than $.01;
(ii) all actions  required to be taken  under the Plan by the  Compensation  and
Management  Development Committee and the Board of Directors of the Company have
been or will be taken by the Compensation and Management  Development  Committee
and the Board of Directors of the Company,  respectively;  and (iii) at the time
of the exercise of the options  under the Plan,  the Company  shall  continue to
have  sufficient  authorized  and unissued  shares of Common Stock  reserved for
issuance thereunder.

         Based upon and subject to the foregoing, we are of the opinion that:

1.        The shares of Common Stock and the related  Preferred  Stock  Purchase
          Rights  which may be issued upon the  exercise of the Rights have been
          duly authorized for issuance.

2.        If and when any Common Stock and the related  Preferred Stock Purchase
          Rights are issued in accordance  with the  authorization  therefor (as
          adjusted)  established  with  respect  to  the  applicable  Rights  in
          accordance  with the  requirements of the Plan, and against receipt of
          the exercise price therefor,  and assuming the continued  updating and
          effectiveness of the Registration  Statement and the completion of any
          necessary  action  to  permit  such  issuance  to be  carried  out  in
          accordance  with  applicable  securities  laws,  such shares of Common
          Stock will be validly issued,  fully-paid and  nonassessable,  and the
          accompanying   Preferred  Stock  Purchase  Rights,  if  the  Company's
          Preferred  Stock Purchase  Rights have not expired or been redeemed in
          accordance  with the terms of the  Rights  Agreement,  will be validly
          issued.

         You acknowledge  that I am admitted to practice only in  Massachusetts,
Texas and the District of Columbia and am not an expert in the laws of any other
jurisdiction.  No one other than the  addressees and their assigns are permitted
to rely on or distribute  this opinion  without the prior written consent of the
undersigned.

         This opinion is limited to the General  Corporation Law of the State of
Delaware  and  federal  law,  although  the Company  acknowledges  that I am not
admitted to  practice in the State of Delaware  and am not an expert in the laws
of that  jurisdiction.  We express no  opinion  with  respect to the laws of any
other jurisdiction.

         I hereby  consent  to the  filing of this  opinion as an exhibit to the
Registration  Statement,  and  further  consent  to the use of my name  wherever
appearing in the Registration Statement and any amendment thereto.

                                             Very truly yours,


                                             /s/Sheila A. Clark, Esq.
                                             Sheila A. Clark, Esq.
                                             Acting General Counsel

                                                           
                                                                    Exhibit 23.1

                         Consent of Independent Auditors


We consent to the incorporation by reference in the Registration Statement (Form
S-8 No. 333-______)  pertaining to the Portola  Communications,  Inc. 1996 Stock
Option  Plan of our  report  dated  September  25,  1998,  except  for the  last
paragraph of Note 17, as to which the date is February 15, 1999, with respect to
the consolidated  financial  statements of America Online, Inc., included in its
Current Report on Form 8-K dated November 9, 1998, filed with the Securities and
Exchange Commission on February 17, 1999.


                                                           /S/ ERNST & YOUNG LLP
                                                               Ernst & Young LLP




Vienna, Virginia
March 16, 1999



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