ARADIGM CORP
S-8, 1998-08-21
ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS
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<PAGE>   1
    As filed with the Securities and Exchange Commission on August 21, 1998
                                                      Registration No. 333-
================================================================================

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

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

                                    FORM S-8
                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933



                               ARADIGM CORPORATION
             (Exact name of registrant as specified in its charter)

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

      California                                        94-3133088
- ------------------------                    ------------------------------------
(State of Incorporation)                    (I.R.S. Employer Identification No.)

                             26219 EDEN LANDING ROAD
                                HAYWARD, CA 94595
                    (Address of principal executive offices)



                           1996 EQUITY INCENTIVE PLAN
                          EMPLOYEE STOCK PURCHASE PLAN
                            (Full title of the plans)



                               RICHARD P. THOMPSON
                      PRESIDENT AND CHIEF EXECUTIVE OFFICER
                               ARADIGM CORPORATION
                             26219 EDEN LANDING ROAD
                                HAYWARD, CA 94595
                                 (510) 783-0100
           (Name, address, including zip code, and telephone number,
                   including area code, of agent for service)

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

                                   Copies to:
                             JEFFREY S. ZIMMAN, ESQ.
                              JAMIE E. CHUNG, ESQ.
                               COOLEY GODWARD LLP
                         ONE MARITIME PLAZA, 20TH FLOOR
                             SAN FRANCISCO, CA 94111
                                 (415) 693-2000


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


                                                                    Page 1 of 34
                                                    Exhibit Index at Pages 3 & 6
<PAGE>   2
                         CALCULATION OF REGISTRATION FEE
================================================================================
<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------------------------------------------------------
                                                      PROPOSED MAXIMUM          PROPOSED MAXIMUM
 TITLE OF SECURITIES TO BE      AMOUNT TO BE         OFFERING PRICE PER         AGGREGATE OFFERING            AMOUNT OF
        REGISTERED               REGISTERED              SHARE (1)                  PRICE (1)              REGISTRATION FEE
- --------------------------------------------------------------------------------------------------------------------------------
<S>                           <C>                    <C>                        <C>                        <C>
Common Stock                  1,150,000 shares        $10.875 - $12.72            $13,266,268.23              $3,913.55
(no par value per share)
- --------------------------------------------------------------------------------------------------------------------------------
</TABLE>

(1)      Estimated solely for the purpose of calculating the amount of the
         registration fee. The offering price per share and aggregate offering
         price are based upon (a) the weighted average exercise price, for
         shares subject to options previously granted under the Aradigm
         Corporation ("Company" or "Registrant") 1996 Equity Incentive Plan 
         (pursuant to Rule 457(h) under the Securities Act of 1933, as amended 
         (the "Act")) (b) the average of the high and low prices of the 
         Company's Common Stock as reported on the Nasdaq National Market on 
         August 19, 1998 for shares available for grant pursuant to the 1996 
         Equity Incentive Plan and Employee Stock Purchase Plan (pursuant to 
         Rule 457(c) under the Act). The following chart shows the calculation 
         of the registration fee.


<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------
                                                                                   PROPOSED MAXIMUM
      TYPE OF SHARES               NUMBER OF          OFFERING PRICE PER          AGGREGATE OFFERING 
                                     SHARES                SHARE                       PRICE (1)
- ------------------------------------------------------------------------------------------------------
<S>                                <C>                <C>                         <C>
Shares issuable pursuant                 411,934             $12.72 (1)(a)              $5,239,800.48
to outstanding options under
the 1996 Equity Incentive
Plan
- ------------------------------------------------------------------------------------------------------
Shares reserved for future               588,066            $10.875 (1)(b)              $6,395,217.75
grant pursuant to the 1996
Equity Incentive Plan
- ------------------------------------------------------------------------------------------------------
Shares reserved for future               150,000            $10.875 (1)(b)              $1,631,250.00
grant pursuant to the
Employee Stock Purchase Plan
- ------------------------------------------------------------------------------------------------------
Proposed Maximum Aggregate
Offering Price                                                                         $13,266,268.23
- ------------------------------------------------------------------------------------------------------
                                                                                            x .000295
- ------------------------------------------------------------------------------------------------------
Registration Fee                                                                            $3,913.55
- ------------------------------------------------------------------------------------------------------
</TABLE>



                                       2.
<PAGE>   3

                    INCORPORATION BY REFERENCE OF CONTENTS OF
                       REGISTRATION STATEMENT ON FORM S-8
                                  NO. 333-15947


         The contents of Registration Statement on Form S-8 No. 333-15947 filed
with the Securities and Exchange Commission on November 12, 1996 are
incorporated by reference herein with such modifications as are set forth below.

          Amendments to the 1996 Equity Incentive Plan (the "Incentive Plan")
and Employee Stock Purchase Plan (the "Purchase Plan") by the Board in February
1998, approved by the stockholders in May 1998, increased the number of shares
of the Company's Common Stock authorized for issuance under the Incentive Plan
from 2,980,000 shares to 3,980,000 shares and increased the number of shares of
the Company's Common Stock available for issuance under the Purchase Plan from
300,000 shares to 450,000 shares.


                                    EXHIBITS

<TABLE>
<CAPTION>
EXHIBIT
NUMBER
- ------

<S>          <C>                                        
5.1          Opinion of Cooley Godward LLP.

23.1         Consent of Ernst & Young LLP, independent auditors.

23.2         Consent of Cooley Godward LLP is contained in Exhibit 5 to this 
             Registration Statement.

24           Power of Attorney is contained on the signature pages.

99.1         1996 Equity Incentive Plan, as amended through May 1998.

99.2         Employee Stock Purchase Plan, as amended through May 1998.

</TABLE>




<PAGE>   4

                                   SIGNATURES


         Pursuant to the requirements of the Securities Act of 1933, as amended,
the Registrant certifies that it has reasonable grounds to believe that it meets
all of the requirements for filing on Form S-8 and has duly caused this
Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Hayward, State of California, on August 20,
1998.


                                        ARADIGM CORPORATION




                                        By:  /s/ Mark A. Olbert
                                             -----------------------------------
                                             Mark A. Olbert
                                             Title: Chief Financial Officer



                                POWER OF ATTORNEY


         KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature
appears below constitutes and appoints Richard P. Thompson and Mark A. Olbert,
and each or any one of them, his or her true and lawful attorney-in-fact and
agent, with full power of substitution and resubstitution, for him or her and in
his or her name, place and stead, in any and all capacities, to sign any and all
amendments (including post-effective amendments) to this Registration Statement,
and to file the same, with all exhibits thereto, and other documents in
connection therewith, with the Securities and Exchange Commission, granting unto
said attorneys-in-fact and agents, and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in connection therewith, as fully to all intents and purposes as he or she might
or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, or their or his or her substitutes
or substitute, may lawfully do or cause to be done by virtue hereof.

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

<TABLE>
<CAPTION>
SIGNATURE                                             TITLE                                       DATE
<S>                                                   <C>                                         <C>



         /s/ Richard P. Thompson                      President, Chief Executive Officer          August 20, 1998
- -----------------------------------------             and Director (Principal Executive
         (Richard P. Thompson)                        Officer)
                                                                                       



                                          
         /s/ Mark. A. Olbert                          Vice President, Finance and                 August 20, 1998
- -----------------------------------------             Administration and Chief Financial
         (Mark A. Olbert)                             Officer (Principal Financial and
                                                      Accounting Officer)
                                                                                        

</TABLE>

<PAGE>   5

<TABLE>
<S>                                                   <C>                                         <C>


         /s/ Reid M. Rubsamen, M.D.                   Vice President, Medical Affairs,            August 20, 1998
- -----------------------------------------             Secretary and Director
         (Reid M. Rubsamen, M.D.)                     




         /s/ Burton J. McMurtry, Ph.D.                Director                                    August 20, 1998
- -----------------------------------------
         (Burton J. McMurtry, Ph.D.)




         /s/ Gordon Russell                           Director                                    August 20, 1998
- -----------------------------------------
         (Gordon Russell)




         /s/ Fred E. Silverstein, M.D.                Director                                    August 20, 1998
- --------------------------------------------
         (Fred E. Silverstein, M.D.)




         /s/ Virgil Thompson                          Director                                    August 20, 1998
- -----------------------------------------
         (Virgil Thompson)

</TABLE>


<PAGE>   6

                                  EXHIBIT INDEX


<TABLE>
<CAPTION>
EXHIBIT                                    DESCRIPTION                              SEQUENTIAL PAGE
NUMBER                                                                              NUMBER
<S>            <C>                                                                <C>
5.1            Opinion of Cooley Godward LLP.
23.1           Consent of Ernst & Young LLP, independent auditors.
23.2           Consent of Cooley Godward LLP is contained in Exhibit 5 to this
               Registration Statement.
24             Power of Attorney is contained on the signature pages.
99.1           1996 Equity Incentive Plan, as amended through May 1998.
99.2           Employee Stock Purchase Plan, as amended through May 1998.

</TABLE>


<PAGE>   1

                                                                     EXHIBIT 5.1


August 21, 1998



Aradigm Corporation
26219 Eden Landing Road
Hayward, CA  94595


Ladies and Gentlemen:

You have requested our opinion with respect to certain matters in connection
with the filing by Aradigm Corporation (the "Company") of a Registration
Statement on Form S-8 (the "Registration Statement") with the Securities and
Exchange Commission covering the offering of up to an aggregate of 1,150,000
shares of the Company's Common Stock, no par value, (the "Shares") pursuant to
its 1996 Equity Incentive Plan (the "Incentive Plan") and Employee Stock
Purchase Plan (the "Purchase Plan") (the Incentive Plan and Purchase Plan being
hereinafter collectively referred to as the "Plans").

In connection with this opinion, we have examined the Registration Statement and
related Prospectus, your Articles of Incorporation and By-laws, as amended, and
such other documents, records, certificates, memoranda and other instruments as
we deem necessary as a basis for this opinion. We have assumed the genuineness
and authenticity of all documents submitted to us as originals, the conformity
to originals of all documents submitted to us as copies thereof, and the due
execution and delivery of all documents where due execution and delivery are a
prerequisite to the effectiveness thereof.

On the basis of the foregoing, and in reliance thereon, we are of the opinion
that the Shares, when sold and issued in accordance with the Plans, the
Registration Statement and related Prospectus, will be validly issued, fully
paid, and nonassessable (except as to shares issued pursuant to certain deferred
payment arrangements, which will be fully paid and nonassessable when such
deferred payments are made in full).

We consent to the filing of this opinion as an exhibit to the Registration
Statement.

Very truly yours,

Cooley Godward LLP



By:        /s/ Jeffrey S. Zimman
     ---------------------------------
           Jeffrey S. Zimman




<PAGE>   1

                                                                    EXHIBIT 23.1

               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS


We consent to the incorporation by reference in the Registration Statement (Form
S-8) pertaining to the 1996 Equity Incentive Plan and the Employee Stock
Purchase Plan of Aradigm Corporation, of our report, dated February 6, 1998,
with respect to the financial statements of Aradigm Corporation included in its
Annual Report on Form 10-K/A and on Form 10-K for the year ended December 31,
1997 filed with the Securities and Exchange Commission.


    /s/ Ernst & Young LLP
- -------------------------------
Palo Alto, California
August 21, 1998




<PAGE>   1

                                                                    EXHIBIT 99.1

                               ARADIGM CORPORATION

                           1996 EQUITY INCENTIVE PLAN

                AS AMENDED AND RESTATED BY THE BOARD OF DIRECTORS
                                ON APRIL 16, 1996
                      APPROVED BY SHAREHOLDERS JUNE 5, 1996
             AMENDED BY THE BOARD OF DIRECTORS ON FEBRUARY 11, 1998
                      APPROVED BY SHAREHOLDERS MAY 15, 1998

1.       PURPOSES.

         (a) The purpose of the Plan is to provide a means by which selected
Employees of and Consultants to the Company and its Affiliates may be given an
opportunity to benefit from increases in value of the stock of the Company
through the granting of (i) Incentive Stock Options, (ii) Nonstatutory Stock
Options, (iii) stock bonuses, (iv) rights to purchase restricted stock, and (v)
stock appreciation rights, all as defined below.

         (b) The Company, by means of the Plan, seeks to retain the services of
persons who are now Employees or Consultants, to secure and retain the services
of new Employees and Consultants, and to provide incentives for such persons to
exert maximum efforts for the success of the Company and its Affiliates.

         (c) The Company intends that the Stock Awards issued under the Plan
shall, in the discretion of the Board or any Committee to which responsibility
for administration of the Plan has been delegated pursuant to subsection 3(c),
be either (i) Options granted pursuant to Section 6 hereof, including Incentive
Stock Options and Nonstatutory Stock Options, (ii) stock bonuses or rights to
purchase restricted stock granted pursuant to Section 7 hereof, or (iii) stock
appreciation rights granted pursuant to Section 8 hereof. All Options shall be
separately designated Incentive Stock Options or Nonstatutory Stock Options at
the time of grant, and in such form as issued pursuant to Section 6, and a
separate certificate or certificates will be issued for shares purchased on
exercise of each type of Option.

2.       DEFINITIONS.

         (a) "AFFILIATE" means any parent corporation or subsidiary corporation,
whether now or hereafter existing, as those terms are defined in Sections 424(e)
and (f) respectively, of the Code.

         (b) "BOARD" means the Board of Directors of the Company.

         (c) "CODE" means the Internal Revenue Code of 1986, as amended.

         (d) "COMMITTEE" means a Committee appointed by the Board in accordance
with subsection 3(c) of the Plan.

         (e) "COMPANY" means Aradigm Corporation, a California corporation.


<PAGE>   2

         (f) "CONCURRENT STOCK APPRECIATION RIGHT" or "CONCURRENT RIGHT" means a
right granted pursuant to subsection 8(b)(2) of the Plan.

         (g) "CONSULTANT" means any person, including an advisor, engaged by the
Company or an Affiliate to render consulting services and who is compensated for
such services, provided that the term "Consultant" shall not include Directors
who are paid only a director's fee by the Company or who are not compensated by
the Company for their services as Directors.

         (h) "CONTINUOUS STATUS AS AN EMPLOYEE, DIRECTOR OR CONSULTANT" means
the employment or relationship as a Director or Consultant is not interrupted or
terminated. The Board, in its sole discretion, may determine whether Continuous
Status as an Employee, Director or Consultant shall be considered interrupted in
the case of: (i) any leave of absence approved by the Board, including sick
leave, military leave, or any other personal leave; or (ii) transfers between
locations of the Company or between the Company, Affiliates or their successors.

         (i) "COVERED EMPLOYEE" means the chief executive officer and the four
(4) other highest compensated officers of the Company for whom total
compensation is required to be reported to shareholders under the Exchange Act,
as determined for purposes of Section 162(m) of the Code.

         (j) "DIRECTOR" means a member of the Board.

         (k) "DISINTERESTED PERSON" means a Director who either: (i) was not
during the one year prior to service as an administrator of the Plan granted or
awarded equity securities pursuant to the Plan or any other plan of the Company
or any Affiliate entitling the participants therein to acquire equity securities
of the Company or any Affiliate except as permitted by Rule 16b-3(c)(2)(i); or
(ii) is otherwise considered to be a "disinterested person" in accordance with
Rule 16b-3(c)(2)(i), or any other applicable rules, regulations or
interpretations of the Securities and Exchange Commission.

         (l) "EMPLOYEE" means any person, including Officers and Directors,
employed by the Company or any Affiliate of the Company. Neither service as a
Director nor payment of a director's fee by the Company shall be sufficient to
constitute "employment" by the Company.

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

         (n) "FAIR MARKET VALUE" means, as of any date, the value of the Common
Stock of the Company determined as follows:

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

                  (2) If the Common Stock is quoted on The Nasdaq Stock Market
(but not on the National Market thereof) or is regularly quoted by a recognized
securities dealer but selling prices are not reported, the Fair Market Value of
a share of Common Stock shall be the mean between the bid and 


<PAGE>   3

asked prices for the Common Stock on the last market trading day prior to the
day of determination, as reported in the Wall Street Journal or such other
source as the Board deems reliable;

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

         (o) "INCENTIVE STOCK OPTION" means an Option intended to qualify as an
incentive stock option within the meaning of Section 422 of the Code and the
regulations promulgated thereunder.

         (p) "INDEPENDENT STOCK APPRECIATION RIGHT" or "INDEPENDENT RIGHT" means
a right granted pursuant to subsection 8(b)(3) of the Plan.

         (q) "NONSTATUTORY STOCK OPTION" means an Option not intended to qualify
as an Incentive Stock Option.

         (r) "OFFICER" means a person who is an officer of the Company within
the meaning of Section 16 of the Exchange Act and the rules and regulations
promulgated thereunder.

         (s) "OPTION" means a stock option granted pursuant to the Plan.

         (t) "OPTION AGREEMENT" means a written agreement between the Company
and an Optionee evidencing the terms and conditions of an individual Option
grant. Each Option Agreement shall be subject to the terms and conditions of the
Plan.

         (u) "OPTIONEE" means an Employee or Consultant who holds an outstanding
Option.

         (v) "OUTSIDE DIRECTOR" means a Director who either (i) is not a current
employee of the Company or an "affiliated corporation" (within the meaning of
Treasury regulations promulgated under Section 162(m) of the Code), is not a
former employee of the Company or an "affiliated corporation" receiving
compensation for prior services (other than benefits under a tax qualified
pension plan), was not an officer of the Company or an "affiliated corporation"
at any time, and is not currently receiving direct or indirect remuneration from
the Company or an "affiliated corporation" for services in any capacity other
than as a Director, or (ii) is otherwise considered an "outside director" for
purposes of Section 162(m) of the Code.

         (w) "PLAN" means this Aradigm Corporation 1996 Equity Incentive Plan.

         (x) "RULE 16B-3" means Rule 16b-3 of the Exchange Act or any successor
to Rule 16b-3, as in effect when discretion is being exercised with respect to
the Plan.

         (y) "STOCK APPRECIATION RIGHT" means any of the various types of rights
which may be granted under Section 8 of the Plan.

         (z) "STOCK AWARD" means any right granted under the Plan, including any
Option, any stock bonus, any right to purchase restricted stock, and any Stock
Appreciation Right.


<PAGE>   4

         (aa) "STOCK AWARD AGREEMENT" means a written agreement between the
Company and a holder of a Stock Award evidencing the terms and conditions of an
individual Stock Award grant. Each Stock Award Agreement shall be subject to the
terms and conditions of the Plan.

         (bb) "TANDEM STOCK APPRECIATION RIGHT" or "TANDEM RIGHT" means a right
granted pursuant to subsection 8(b)(1) of the Plan.

3.       ADMINISTRATION.

         (a) The Plan shall be administered by the Board unless and until the
Board delegates administration to a Committee, as provided in subsection 3(c).

         (b) The Board shall have the power, subject to, and within the
limitations of, the express provisions of the Plan:

                  (1) To determine from time to time which of the persons
eligible under the Plan shall be granted Stock Awards; when and how each Stock
Award shall be granted; whether a Stock Award will be an Incentive Stock Option,
a Nonstatutory Stock Option, a stock bonus, a right to purchase restricted
stock, a Stock Appreciation Right, or a combination of the foregoing; the
provisions of each Stock Award granted (which need not be identical), including
the time or times when a person shall be permitted to receive stock pursuant to
a Stock Award; whether a person shall be permitted to receive stock upon
exercise of an Independent Stock Appreciation Right; and the number of shares
with respect to which a Stock Award shall be granted to each such person.

                  (2) To construe and interpret the Plan and Stock Awards
granted under it, and to establish, amend and revoke rules and regulations for
its administration. The Board, in the exercise of this power, may correct any
defect, omission or inconsistency in the Plan or in any Stock Award Agreement,
in a manner and to the extent it shall deem necessary or expedient to make the
Plan fully effective.

                  (3) To amend the Plan or a Stock Award as provided in Section
14.

                  (4) Generally, to exercise such powers and to perform such
acts as the Board deems necessary or expedient to promote the best interests of
the Company which are not in conflict with the provisions of the Plan.

         (c) The Board may delegate administration of the Plan to a committee
composed of not fewer than two (2) members (the "Committee"), all of the members
of which Committee shall be Disinterested Persons and may also be, in the
discretion of the Board, Outside Directors. If administration is delegated to a
Committee, the Committee shall have, in connection with the administration of
the Plan, the powers theretofore possessed by the Board (and references in this
Plan to the Board shall thereafter be to the Committee), subject, however, to
such resolutions, not inconsistent with the provisions of the Plan, as may be
adopted from time to time by the Board. The Board may abolish the Committee at
any time and revest in the Board the administration of the Plan. Notwithstanding
anything in this Section 3 to the contrary, at any time the Board or the
Committee may delegate to a committee of one or more members of the Board the
authority to grant Stock Awards to eligible persons who (1) are not then subject
to Section 16 of the Exchange Act and/or (2) are either (i) 


<PAGE>   5

not then Covered Employees and are not expected to be Covered Employees at the
time of recognition of income resulting from such Stock Award, or (ii) not
persons with respect to whom the Company wishes to avoid the application of
Section 162(m) of the Code.

         (d) Any requirement that an administrator of the Plan be a
Disinterested Person shall not apply if the Board or the Committee expressly
declares that such requirement shall not apply. Any Disinterested Person shall
otherwise comply with the requirements of Rule 16b-3.

4.       SHARES SUBJECT TO THE PLAN.

         (a) Subject to the provisions of Section 13 relating to adjustments
upon changes in stock, the stock that may be issued pursuant to Stock Awards
shall not exceed in the aggregate three million nine hundred eighty thousand
(3,980,000) shares of the Company's Common Stock. If any Stock Award shall for
any reason expire or otherwise terminate, in whole or in part, without having
been exercised in full, the stock not acquired under such Stock Award shall
revert to and again become available for issuance under the Plan. Shares subject
to Stock Appreciation Rights exercised in accordance with Section 8 of the Plan
shall not be available for subsequent issuance under the Plan.

         (b) The stock subject to the Plan may be unissued shares or reacquired
shares, bought on the market or otherwise.

5.       ELIGIBILITY.

         (a) Incentive Stock Options and Stock Appreciation Rights appurtenant
thereto may be granted only to Employees. Stock Awards other than Incentive
Stock Options and Stock Appreciation Rights appurtenant thereto may be granted
only to Employees or Consultants.

         (b) A Director shall in no event be eligible for the benefits of the
Plan unless at the time of grant the Director is also an Employee or Consultant.

         (c) No person shall be eligible for the grant of an Incentive Stock
Option if, at the time of grant, such person owns (or is deemed to own pursuant
to Section 424(d) of the Code) stock possessing more than ten percent (10%) of
the total combined voting power of all classes of stock of the Company or of any
of its Affiliates unless the exercise price of such Option is at least one
hundred ten percent (110%) of the Fair Market Value of such stock at the date of
grant and the Option is not exercisable after the expiration of five (5) years
from the date of grant, or in the case of a restricted stock purchase award, the
purchase price is at least one hundred percent (100%) of the Fair Market Value
of such stock at the date of grant.

6.       OPTION PROVISIONS.

         Each Option shall be in such form and shall contain such terms and
conditions as the Board shall deem appropriate. The provisions of separate
Options need not be identical, but each Option shall include (through
incorporation of provisions hereof by reference in the Option or otherwise) the
substance of each of the following provisions:


<PAGE>   6

         (a) TERM. No Option shall be exercisable after the expiration of ten
(10) years from the date it was granted.

         (b) PRICE. The exercise price of each Incentive Stock Option shall be
not less than one hundred percent (100%) of the Fair Market Value of the stock
subject to the Option on the date the Option is granted, and the exercise price
of a Nonstatutory Stock Option shall be not less than eighty-five percent (85%)
of the Fair Market Value of the stock subject to the Option on the date the
Option is granted. Notwithstanding the foregoing, an Incentive Stock Option may
be granted with an exercise price lower than that set forth in the preceding
sentence if such Option is granted pursuant to an assumption or substitution for
another option in a manner satisfying the provisions of Section 424(a) of the
Code.

         (c) CONSIDERATION. The purchase price of stock acquired pursuant to an
Option shall be paid, to the extent permitted by applicable statutes and
regulations, either (i) in cash at the time the Option is exercised, or (ii) at
the discretion of the Board or the Committee, at the time of the grant of the
Option, (A) by delivery to the Company of other Common Stock of the Company, (B)
according to a deferred payment or other arrangement (which may include, without
limiting the generality of the foregoing, the use of other Common Stock of the
Company) with the person to whom the Option is granted or to whom the Option is
transferred pursuant to subsection 6(d), or (C) in any other form of legal
consideration that may be acceptable to the Board.

         In the case of any deferred payment arrangement, interest shall be
payable at least annually and shall be charged at the minimum rate of interest
necessary to avoid the treatment as interest, under any applicable provisions of
the Code, of any amounts other than amounts stated to be interest under the
deferred payment arrangement.

         (d) TRANSFERABILITY. An Incentive Stock Option shall not be
transferable except by will or by the laws of descent and distribution, and
shall be exercisable during the lifetime of the person to whom the Incentive
Stock Option is granted only by such person. A Nonstatutory Stock Option shall
not be transferable except by will, by the laws of descent and distribution or
pursuant to a qualified domestic relations order satisfying the requirements of
Rule 16b-3 and any administrative interpretations or pronouncements thereunder
(a "QDRO"), and shall be exercisable during the lifetime of the person to whom
the Option is granted only by such person or any transferee pursuant to a QDRO.
Notwithstanding the foregoing, the person to whom the Option is granted may, by
delivering written notice to the Company, in a form satisfactory to the Company,
designate a third party who, in the event of the death of the Optionee, shall
thereafter be entitled to exercise the Option.

         (e) VESTING. The total number of shares of stock subject to an Option
may, but need not, be allotted in periodic installments (which may, but need
not, be equal). The Option Agreement may provide that from time to time during
each of such installment periods, the Option may become exercisable ("vest")
with respect to some or all of the shares allotted to that period, and may be
exercised with respect to some or all of the shares allotted to such period
and/or any prior period as to which the Option became vested but was not fully
exercised. The Option may be subject to such other terms and conditions on the
time or times when it may be exercised (which may be based on performance or
other criteria) as the Board may deem appropriate. The provisions of this
subsection 

<PAGE>   7

6(e) are subject to any Option provisions governing the minimum number of shares
as to which an Option may be exercised.

         (f) TERMINATION OF EMPLOYMENT OR RELATIONSHIP AS A DIRECTOR OR
CONSULTANT. In the event an Optionee's Continuous Status as an Employee,
Director or Consultant terminates (other than upon the Optionee's death or
disability), the Optionee may exercise his or her Option (to the extent that the
Optionee was entitled to exercise it at the date of termination) but only within
such period of time ending on the earlier of (i) the date three (3) months after
the termination of the Optionee's Continuous Status as an Employee, Director or
Consultant (or such longer or shorter period specified in the Option Agreement),
or (ii) the expiration of the term of the Option as set forth in the Option
Agreement. If, after termination, the Optionee does not exercise his or her
Option within the time specified in the Option Agreement, the Option shall
terminate, and the shares covered by such Option shall revert to and again
become available for issuance under the Plan.

         An Optionee's Option Agreement may also provide that if the exercise of
the Option following the termination of the Optionee's Continuous Status as an
Employee, Director, or Consultant (other than upon the Optionee's death or
disability) would result in liability under Section 16(b) of the Exchange Act,
then the Option shall terminate on the earlier of (i) the expiration of the term
of the Option set forth in the Option Agreement, or (ii) the tenth (10th) day
after the last date on which such exercise would result in such liability under
Section 16(b) of the Exchange Act. Finally, an Optionee's Option Agreement may
also provide that if the exercise of the Option following the termination of the
Optionee's Continuous Status as an Employee, Director or Consultant (other than
upon the Optionee's death or disability) would be prohibited at any time solely
because the issuance of shares would violate the registration requirements under
the Act, then the Option shall terminate on the earlier of (i) the expiration of
the term of the Option set forth in the first paragraph of this subsection 6(f),
or (ii) the expiration of a period of three (3) months after the termination of
the Optionee's Continuous Status as an Employee, Director or Consultant during
which the exercise of the Option would not be in violation of such registration
requirements.

         (g) DISABILITY OF OPTIONEE. In the event an Optionee's Continuous
Status as an Employee, Director or Consultant terminates as a result of the
Optionee's disability, the Optionee may exercise his or her Option (to the
extent that the Optionee was entitled to exercise it at the date of
termination), but only within such period of time ending on the earlier of (i)
the date twelve (12) months following such termination (or such longer or
shorter period specified in the Option Agreement), or (ii) the expiration of the
term of the Option as set forth in the Option Agreement. If, at the date of
termination, the Optionee is not entitled to exercise his or her entire Option,
the shares covered by the unexercisable portion of the Option shall revert to
and again become available for issuance under the Plan. If, after termination,
the Optionee does not exercise his or her Option within the time specified
herein, the Option shall terminate, and the shares covered by such Option shall
revert to and again become available for issuance under the Plan.

         (h) DEATH OF OPTIONEE. In the event of the death of an Optionee during,
or within a period specified in the Option after the termination of, the
Optionee's Continuous Status as an Employee, Director or Consultant, the Option
may be exercised (to the extent the Optionee was entitled to exercise the Option
at the date of death) by the Optionee's estate, by a person who acquired the
right to exercise the Option by bequest or inheritance or by a person designated
to exercise the option upon the 

<PAGE>   8

Optionee's death pursuant to subsection 6(d), but only within the period ending
on the earlier of (i) the date twelve (12) months following the date of death
(or such longer or shorter period specified in the Option Agreement), or (ii)
the expiration of the term of such Option as set forth in the Option Agreement.
If, at the time of death, the Optionee was not entitled to exercise his or her
entire Option, the shares covered by the unexercisable portion of the Option
shall revert to and again become available for issuance under the Plan. If,
after death, the Option is not exercised within the time specified herein, the
Option shall terminate, and the shares covered by such Option shall revert to
and again become available for issuance under the Plan.

         (i) EARLY EXERCISE. The Option may, but need not, include a provision
whereby the Optionee may elect at any time while an Employee, Director or
Consultant to exercise the Option as to any part or all of the shares subject to
the Option prior to the full vesting of the Option. Any unvested shares so
purchased may be subject to a repurchase right in favor of the Company or to any
other restriction the Board determines to be appropriate.

         (j) RE-LOAD OPTIONS. Without in any way limiting the authority of the
Board or Committee to make or not to make grants of Options hereunder, the Board
or Committee shall have the authority (but not an obligation) to include as part
of any Option Agreement a provision entitling the Optionee to a further Option
(a "Re-Load Option") in the event the Optionee exercises the Option evidenced by
the Option agreement, in whole or in part, by surrendering other shares of
Common Stock in accordance with this Plan and the terms and conditions of the
Option Agreement. Any such Re-Load Option (i) shall be for a number of shares
equal to the number of shares surrendered as part or all of the exercise price
of such Option; (ii) shall have an expiration date which is the same as the
expiration date of the Option the exercise of which gave rise to such Re-Load
Option; and (iii) shall have an exercise price which is equal to one hundred
percent (100%) of the Fair Market Value of the Common Stock subject to the
Re-Load Option on the date of exercise of the original Option. Notwithstanding
the foregoing, a Re-Load Option which is an Incentive Stock Option and which is
granted to a 10% shareholder (as described in subsection 5(c)), shall have an
exercise price which is equal to one hundred ten percent (110%) of the Fair
Market Value of the stock subject to the Re-Load Option on the date of exercise
of the original Option and shall have a term which is no longer than five (5)
years.

         Any such Re-Load Option may be an Incentive Stock Option or a
Nonstatutory Stock Option, as the Board or Committee may designate at the time
of the grant of the original Option; provided, however, that the designation of
any Re-Load Option as an Incentive Stock Option shall be subject to the one
hundred thousand dollar ($100,000) annual limitation on exercisability of
Incentive Stock Options described in subsection 12(d) of the Plan and in Section
422(d) of the Code. There shall be no Re-Load Options on a Re-Load Option. Any
such Re-Load Option shall be subject to the availability of sufficient shares
under subsection 4(a) and shall be subject to such other terms and conditions as
the Board or Committee may determine which are not inconsistent with the express
provisions of the Plan regarding the terms of Options.

7.       TERMS OF STOCK BONUSES AND PURCHASES OF RESTRICTED STOCK.

         Each stock bonus or restricted stock purchase agreement shall be in
such form and shall contain such terms and conditions as the Board or the
Committee shall deem appropriate. The terms and conditions of stock bonus or
restricted stock purchase agreements may change from time to time, and 

<PAGE>   9

the terms and conditions of separate agreements need not be identical, but each
stock bonus or restricted stock purchase agreement shall include (through
incorporation of provisions hereof by reference in the agreement or otherwise)
the substance of each of the following provisions as appropriate:

         (a) PURCHASE PRICE. The purchase price under each restricted stock
purchase agreement shall be such amount as the Board or Committee shall
determine and designate in such agreement but in no event shall the purchase
price be less than eighty-five percent (85%) of the stock's Fair Market Value on
the date such award is made. Notwithstanding the foregoing, the Board or the
Committee may determine that eligible participants in the Plan may be awarded
stock pursuant to a stock bonus agreement in consideration for past services
actually rendered to the Company for its benefit.

         (b) TRANSFERABILITY. No rights under a stock bonus or restricted stock
purchase agreement shall be transferable except by will or the laws of descent
and distribution or pursuant to a qualified domestic relations order satisfying
the requirements of Rule 16b-3 and any administrative interpretations or
pronouncements thereunder, so long as stock awarded under such agreement remains
subject to the terms of the agreement.

         (c) CONSIDERATION. The purchase price of stock acquired pursuant to a
stock purchase agreement shall be paid either: (i) in cash at the time of
purchase; (ii) at the discretion of the Board or the Committee, according to a
deferred payment or other arrangement with the person to whom the stock is sold;
or (iii) in any other form of legal consideration that may be acceptable to the
Board or the Committee in its discretion. Notwithstanding the foregoing, the
Board or the Committee to which administration of the Plan has been delegated
may award stock pursuant to a stock bonus agreement in consideration for past
services actually rendered to the Company or for its benefit.

         (d) VESTING. Shares of stock sold or awarded under the Plan may, but
need not, be subject to a repurchase option in favor of the Company in
accordance with a vesting schedule to be determined by the Board or the
Committee.

         (e) TERMINATION OF EMPLOYMENT OR RELATIONSHIP AS A DIRECTOR OR
CONSULTANT. In the event a Participant's Continuous Status as an Employee,
Director or Consultant terminates, the Company may repurchase or otherwise
reacquire any or all of the shares of stock held by that person which have not
vested as of the date of termination under the terms of the stock bonus or
restricted stock purchase agreement between the Company and such person.

8.       STOCK APPRECIATION RIGHTS.

         (a) The Board or Committee shall have full power and authority,
exercisable in its sole discretion, to grant Stock Appreciation Rights under the
Plan to Employees and Consultants. To exercise any outstanding Stock
Appreciation Right, the holder must provide written notice of exercise to the
Company in compliance with the provisions of the Stock Award Agreement
evidencing such right. If a Stock Appreciation Right is granted to an individual
who is at the time subject to Section 16(b) of the Exchange Act (a "Section
16(b) Insider"), the Stock Award Agreement of grant shall incorporate all the
terms and conditions at the time necessary to assure that the subsequent
exercise of such right shall qualify for the safe-harbor exemption from
short-swing profit liability provided by Rule 16b-3 promulgated under the
Exchange Act (or any successor rule or regulation). No limitation shall exist on

<PAGE>   10

the aggregate amount of cash payments the Company may make under the Plan in
connection with the exercise of a Stock Appreciation Rights.

         (b) Three types of Stock Appreciation Rights shall be authorized for
issuance under the Plan:

                  (1) TANDEM STOCK APPRECIATION RIGHTS. Tandem Stock
Appreciation Rights will be granted appurtenant to an Option, and shall, except
as specifically set forth in this Section 8, be subject to the same terms and
conditions applicable to the particular Option grant to which it pertains.
Tandem Stock Appreciation Rights will require the holder to elect between the
exercise of the underlying Option for shares of stock and the surrender, in
whole or in part, of such Option for an appreciation distribution. The
appreciation distribution payable on the exercised Tandem Right shall be in cash
(or, if so provided, in an equivalent number of shares of stock based on Fair
Market Value on the date of the Option surrender) in an amount up to the excess
of (A) the Fair Market Value (on the date of the Option surrender) of the number
of shares of stock covered by that portion of the surrendered Option in which
the Optionee is vested over (B) the aggregate exercise price payable for such
vested shares.

                  (2) CONCURRENT STOCK APPRECIATION RIGHTS. Concurrent Rights
will be granted appurtenant to an Option and may apply to all or any portion of
the shares of stock subject to the underlying Option and shall, except as
specifically set forth in this Section 8, be subject to the same terms and
conditions applicable to the particular Option grant to which it pertains. A
Concurrent Right shall be exercised automatically at the same time the
underlying Option is exercised with respect to the particular shares of stock to
which the Concurrent Right pertains. The appreciation distribution payable on an
exercised Concurrent Right shall be in cash (or, if so provided, in an
equivalent number of shares of stock based on Fair Market Value on the date of
the exercise of the Concurrent Right) in an amount equal to such portion as
shall be determined by the Board or the Committee at the time of the grant of
the excess of (A) the aggregate Fair Market Value (on the date of the exercise
of the Concurrent Right) of the vested shares of stock purchased under the
underlying Option which have Concurrent Rights appurtenant to them over (B) the
aggregate exercise price paid for such shares.

                  (3) INDEPENDENT STOCK APPRECIATION RIGHTS. Independent Rights
will be granted independently of any Option and shall, except as specifically
set forth in this Section 8, be subject to the same terms and conditions
applicable to Nonstatutory Stock Options as set forth in Section 6. They shall
be denominated in share equivalents. The appreciation distribution payable on
the exercised Independent Right shall be not greater than an amount equal to the
excess of (A) the aggregate Fair Market Value (on the date of the exercise of
the Independent Right) of a number of shares of Company stock equal to the
number of share equivalents in which the holder is vested under such Independent
Right, and with respect to which the holder is exercising the Independent Right
on such date, over (B) the aggregate Fair Market Value (on the date of the grant
of the Independent Right) of such number of shares of Company stock. The
appreciation distribution payable on the exercised Independent Right shall be in
cash or, if so provided, in an equivalent number of shares of stock based on
Fair Market Value on the date of the exercise of the Independent Right.

9.       CANCELLATION AND RE-GRANT OF OPTIONS.

         The Board or the Committee shall have the authority to effect, at any
time and from time to time, (i) the repricing of any outstanding Options and/or
any Stock Appreciation Rights under the Plan and/or (ii) with the consent of any
adversely affected holders of Options and/or Stock Appreciation Rights, the


<PAGE>   11

cancellation of any outstanding Options and/or any Stock Appreciation Rights
under the Plan and the grant in substitution therefor of new Options and/or
Stock Appreciation Rights under the Plan covering the same or different numbers
of shares of stock, but having an exercise price per share not less than:
eighty-five percent (85%) of the Fair Market Value for a Nonstatutory Stock
Option, one hundred percent (100%) of the Fair Market Value in the case of an
Incentive Stock Option or, in the case of an Incentive Stock Option held by a
10% shareholder (as described in subsection 5(c)), not less than one hundred ten
percent (110%) of the Fair Market Value per share of stock on the new grant
date. Notwithstanding the foregoing, the Board or the Committee may grant an
Option and/or Stock Appreciation Right with an exercise price lower than that
set forth above if such Option and/or Stock Appreciation Right is granted as
part of a transaction to which section 424(a) of the Code applies.

10.      COVENANTS OF THE COMPANY.

         (a) During the terms of the Stock Awards, the Company shall keep
available at all times the number of shares of stock required to satisfy such
Stock Awards.

         (b) The Company shall seek to obtain from each regulatory commission or
agency having jurisdiction over the Plan such authority as may be required to
issue and sell shares of stock upon exercise of the Stock Award; provided,
however, that this undertaking shall not require the Company to register under
the Securities Act of 1933, as amended (the "Securities Act") either the Plan,
any Stock Award or any stock issued or issuable pursuant to any such Stock
Award. If, after reasonable efforts, the Company is unable to obtain from any
such regulatory commission or agency the authority which counsel for the Company
deems necessary for the lawful issuance and sale of stock under the Plan, the
Company shall be relieved from any liability for failure to issue and sell stock
upon exercise of such Stock Awards unless and until such authority is obtained.

11.      USE OF PROCEEDS FROM STOCK.

         Proceeds from the sale of stock pursuant to Stock Awards shall
constitute general funds of the Company.

12.      MISCELLANEOUS.

         (a) The Board shall have the power to accelerate the time at which a
Stock Award may first be exercised or the time during which a Stock Award or any
part thereof will vest pursuant to subsection 6(e), 7(d) or 8(b),
notwithstanding the provisions in the Stock Award stating the time at which it
may first be exercised or the time during which it will vest.

         (b) Neither an Employee, a Consultant nor any person to whom a Stock
Award is transferred in accordance with the Plan shall be deemed to be the
holder of, or to have any of the rights of a holder with respect to, any shares
subject to such Stock Award unless and until such person has satisfied all
requirements for exercise of the Stock Award pursuant to its terms.

         (c) Nothing in the Plan or any instrument executed or Stock Award
granted pursuant thereto shall confer upon any Employee, Consultant or other
holder of Stock Awards any right to continue in the employ of the Company or any
Affiliate or to continue acting as a Consultant or shall affect the right of the
Company or any Affiliate to terminate the employment of any Employee with or
without notice and 

<PAGE>   12

with or without cause, or the right to terminate the relationship of any
Consultant pursuant to the terms of such Consultant's agreement with the Company
or Affiliate.

         (d) To the extent that the aggregate Fair Market Value (determined at
the time of grant) of stock with respect to which Incentive Stock Options are
exercisable for the first time by any Optionee during any calendar year under
all plans of the Company and its Affiliates exceeds one hundred thousand dollars
($100,000), the Options or portions thereof which exceed such limit (according
to the order in which they were granted) shall be treated as Nonstatutory Stock
Options.

         (e) The Company may require any person to whom a Stock Award is
granted, or any person to whom a Stock Award is transferred in accordance with
the Plan, as a condition of exercising or acquiring stock under any Stock Award,
(1) to give written assurances satisfactory to the Company as to such person's
knowledge and experience in financial and business matters and/or to employ a
purchaser representative reasonably satisfactory to the Company who is
knowledgeable and experienced in financial and business matters, and that he or
she is capable of evaluating, alone or together with the purchaser
representative, the merits and risks of exercising the Stock Award; and (2) to
give written assurances satisfactory to the Company stating that such person is
acquiring the stock subject to the Stock Award for such person's own account and
not with any present intention of selling or otherwise distributing the stock.
The foregoing requirements, and any assurances given pursuant to such
requirements, shall be inoperative if (i) the issuance of the shares upon the
exercise or acquisition of stock under the Stock Award has been registered under
a then currently effective registration statement under the Securities Act, or
(ii) as to any particular requirement, a determination is made by counsel for
the Company that such requirement need not be met in the circumstances under the
then applicable securities laws. The Company may, upon advice of counsel to the
Company, place legends on stock certificates issued under the Plan as such
counsel deems necessary or appropriate in order to comply with applicable
securities laws, including, but not limited to, legends restricting the transfer
of the stock.

         (f) To the extent provided by the terms of a Stock Award Agreement, the
person to whom a Stock Award is granted may satisfy any federal, state or local
tax withholding obligation relating to the exercise or acquisition of stock
under a Stock Award by any of the following means or by a combination of such
means: (1) tendering a cash payment; (2) authorizing the Company to withhold
shares from the shares of the Common Stock otherwise issuable to the participant
as a result of the exercise or acquisition of stock under the Stock Award; or
(3) delivering to the Company owned and unencumbered shares of the Common Stock
of the Company.

13.      ADJUSTMENTS UPON CHANGES IN STOCK.

         (a) If any change is made in the stock subject to the Plan, or subject
to any Stock Award, without the receipt of consideration by the Company (through
merger, consolidation, reorganization, recapitalization, reincorporation, stock
dividend, dividend in property other than cash, stock split, liquidating
dividend, combination of shares, exchange of shares, change in corporate
structure or other transaction not involving the receipt of consideration by the
Company), the Plan will be appropriately adjusted in the class(es) and maximum
number of shares subject to the Plan pursuant to subsection 4(a), and the
outstanding Stock Awards will be appropriately adjusted in the class(es) and
number of shares and price per share of stock subject to such outstanding Stock
Awards. Such adjustments shall be made by the Board or the Committee, the
determination of which shall be final, binding and conclusive. (The 

<PAGE>   13

conversion of any convertible securities of the Company shall not be treated as
a "transaction not involving the receipt of consideration by the Company".)

         (b) In the event of: (1) a dissolution, liquidation or sale of
substantially all of the assets of the Company; (2) a merger or consolidation in
which the Company is not the surviving corporation; or (3) a reverse merger in
which the Company is the surviving corporation but the shares of the Company's
Common Stock outstanding immediately preceding the merger are converted by
virtue of the merger into other property, whether in the form of securities,
cash or otherwise, then to the extent permitted by applicable law: (i) any
surviving corporation or an Affiliate of such surviving corporation shall assume
any Stock Awards outstanding under the Plan or shall substitute similar Stock
Awards for those outstanding under the Plan, or (ii) such Stock Awards shall
continue in full force and effect. In the event any surviving corporation and
its Affiliates refuse to assume or continue such Stock Awards, or to substitute
similar options for those outstanding under the Plan, then, with respect to
Stock Awards held by persons then performing services as Employees, Directors or
Consultants, the time during which such Stock Awards may be exercised shall be
accelerated and the Stock Awards terminated if not exercised prior to such
event.

14.      AMENDMENT OF THE PLAN AND STOCK AWARDS.

         (a) The Board at any time, and from time to time, may amend the Plan.
However, except as provided in Section 13 relating to adjustments upon changes
in stock, no amendment shall be effective unless approved by the shareholders of
the Company within twelve (12) months before or after the adoption of the
amendment, where the amendment will:

                         (i) Increase the number of shares reserved for Stock 
Awards under the Plan;

                        (ii) Modify the requirements as to eligibility for 
participation in the Plan (to the extent such modification requires shareholder
approval in order for the Plan to satisfy the requirements of Section 422 of the
Code); or

                       (iii) Modify the Plan in any other way if such 
modification requires shareholder approval in order for the Plan to satisfy the
requirements of Section 422 of the Code or to comply with the requirements of
Rule 16b-3.

         (b) The Board may in its sole discretion submit any other amendment to
the Plan for shareholder approval, including, but not limited to, amendments to
the Plan intended to satisfy the requirements of Section 162(m) of the Code and
the regulations promulgated thereunder regarding the exclusion of
performance-based compensation from the limit on corporate deductibility of
compensation paid to certain executive officers.

         (c) It is expressly contemplated that the Board may amend the Plan in
any respect the Board deems necessary or advisable to provide eligible Employees
or Consultants with the maximum benefits provided or to be provided under the
provisions of the Code and the regulations promulgated thereunder relating to
Incentive Stock Options and/or to bring the Plan and/or Incentive Stock Options
granted under it into compliance therewith.


<PAGE>   14

         (d) Rights and obligations under any Stock Award granted before
amendment of the Plan shall not be impaired by any amendment of the Plan unless
(i) the Company requests the consent of the person to whom the Stock Award was
granted and (ii) such person consents in writing.

         (e) The Board at any time, and from time to time, may amend the terms
of any one or more Stock Award; provided, however, that the rights and
obligations under any Stock Award shall not be impaired by any such amendment
unless (i) the Company requests the consent of the person to whom the Stock
Award was granted and (ii) such person consents in writing.

15.      TERMINATION OR SUSPENSION OF THE PLAN.

         (a) The Board may suspend or terminate the Plan at any time. Unless
sooner terminated, the Plan shall terminate ten (10) years from the date the
Plan is adopted by the Board or approved by the shareholders of the Company,
whichever is earlier. No Stock Awards may be granted under the Plan while the
Plan is suspended or after it is terminated.

         (b) Rights and obligations under any Stock Award granted while the Plan
is in effect shall not be impaired by suspension or termination of the Plan,
except with the consent of the person to whom the Stock Award was granted.

16.      EFFECTIVE DATE OF PLAN.

         The Plan shall become effective on the same day that the Company's
initial public offering of shares of Common Stock becomes effective, but no
Stock Awards granted under the Plan shall be exercised unless and until the Plan
has been approved by the shareholders of the Company, which approval shall be
within twelve (12) months before or after the date the Plan is adopted by the
Board.



<PAGE>   1

                                                                    EXHIBIT 99.2

                               ARADIGM CORPORATION

                          EMPLOYEE STOCK PURCHASE PLAN

                             ADOPTED APRIL 16, 1996
                      APPROVED BY SHAREHOLDERS JUNE 5, 1996
                     AMENDED BY THE BOARD FEBRUARY 11, 1998
                      APPROVED BY SHAREHOLDERS MAY 15, 1998

1.       PURPOSE.

         (a) The purpose of the Employee Stock Purchase Plan (the "Plan") is to
provide a means by which employees of Aradigm Corporation, a California
corporation (the "Company"), and its Affiliates, as defined in subparagraph
1(b), which are designated as provided in subparagraph 2(b), may be given an
opportunity to purchase stock of the Company.

         (b) The word "Affiliate" as used in the Plan means any parent
corporation or subsidiary corporation of the Company, as those terms are defined
in Sections 424(e) and (f), respectively, of the Internal Revenue Code of 1986,
as amended (the "Code").

         (c) The Company, by means of the Plan, seeks to retain the services of
its employees, to secure and retain the services of new employees, and to
provide incentives for such persons to exert maximum efforts for the success of
the Company.

         (d) The Company intends that the rights to purchase stock of the
Company granted under the Plan be considered options issued under an "employee
stock purchase plan" as that term is defined in Section 423(b) of the Code.

2.       ADMINISTRATION.

         (a) The Plan shall be administered by the Board of Directors (the
"Board") of the Company unless and until the Board delegates administration to a
Committee, as provided in subparagraph 2(c). Whether or not the Board has
delegated administration, the Board shall have the final power to determine all
questions of policy and expediency that may arise in the administration of the
Plan.

         (b) The Board shall have the power, subject to, and within the
limitations of, the express provisions of the Plan:

                  (i) To determine when and how rights to purchase stock of the
Company shall be granted and the provisions of each offering of such rights
(which need not be identical).

                  (ii) To designate from time to time which Affiliates of the
Company shall be eligible to participate in the Plan.


<PAGE>   2

                  (iii) To construe and interpret the Plan and rights granted
under it, and to establish, amend and revoke rules and regulations for its
administration. The Board, in the exercise of this power, may correct any
defect, omission or inconsistency in the Plan, in a manner and to the extent it
shall deem necessary or expedient to make the Plan fully effective.

                  (iv) To amend the Plan as provided in paragraph 13.

                  (v) Generally, to exercise such powers and to perform such
acts as the Board deems necessary or expedient to promote the best interests of
the Company and its Affiliates and to carry out the intent that the Plan be
treated as an "employee stock purchase plan" within the meaning of Section 423
of the Code.

         (c) The Board may delegate administration of the Plan to a Committee
composed of not fewer than two (2) members of the Board (the "Committee")
constituted in accordance with the requirements of Rule 16b-3 under the Exchange
Act. If administration is delegated to a Committee, the Committee shall have, in
connection with the administration of the Plan, the powers theretofore possessed
by the Board, subject, however, to such resolutions, not inconsistent with the
provisions of the Plan, as may be adopted from time to time by the Board. The
Board may abolish the Committee at any time and revest in the Board the
administration of the Plan.

3.       SHARES SUBJECT TO THE PLAN.

         (a) Subject to the provisions of paragraph 12 relating to adjustments
upon changes in stock, the stock that may be sold pursuant to rights granted
under the Plan shall not exceed in the aggregate four hundred fifty thousand
(450,000) shares of the Company's common stock (the "Common Stock"). If any
right granted under the Plan shall for any reason terminate without having been
exercised, the Common Stock not purchased under such right shall again become
available for the Plan.

         (b) The stock subject to the Plan may be unissued shares or reacquired
shares, bought on the market or otherwise.

4.       GRANT OF RIGHTS; OFFERING.

         The Board or the Committee may from time to time grant or provide for
the grant of rights to purchase Common Stock of the Company under the Plan to
eligible employees (an "Offering") on a date or dates (the "Offering Date(s)")
selected by the Board or the Committee. Each Offering shall be in such form and
shall contain such terms and conditions as the Board or the Committee shall deem
appropriate, which shall comply with the requirements of Section 423(b)(5) of
the Code that all employees granted rights to purchase stock under the Plan
shall have the same rights and privileges. The terms and conditions of an
Offering shall be incorporated by reference into the Plan and treated as part of
the Plan. The provisions of separate Offerings need not be identical, but each
Offering shall include (through incorporation of the provisions of this Plan by
reference in the document comprising the Offering or otherwise) the period
during which the Offering shall be effective, which period shall not exceed
twenty-seven (27) months beginning with the Offering Date, and the substance of
the provisions contained in paragraphs 5 through 8, inclusive.

5.       ELIGIBILITY.


<PAGE>   3

         (a) Rights may be granted only to employees of the Company or, as the
Board or the Committee may designate as provided in subparagraph 2(b), to
employees of any Affiliate of the Company. Except as provided in subparagraph
5(b), an employee of the Company or any Affiliate shall not be eligible to be
granted rights under the Plan, unless, on the Offering Date, such employee has
been in the employ of the Company or any Affiliate for such continuous period
preceding such grant as the Board or the Committee may require, but in no event
shall the required period of continuous employment be equal to or greater than
two (2) years. In addition, unless otherwise determined by the Board or the
Committee and set forth in the terms of the applicable Offering, no employee of
the Company or any Affiliate shall be eligible to be granted rights under the
Plan, unless, on the Offering Date, such employee's customary employment with
the Company or such Affiliate is for at least twenty (20) hours per week and at
least five (5) months per calendar year.

         (b) The Board or the Committee may provide that, each person who,
during the course of an Offering, first becomes an eligible employee of the
Company or designated Affiliate will, on a date or dates specified in the
Offering which coincides with the day on which such person becomes an eligible
employee or occurs thereafter, receive a right under that Offering, which right
shall thereafter be deemed to be a part of that Offering. Such right shall have
the same characteristics as any rights originally granted under that Offering,
as described herein, except that:

                  (i) the date on which such right is granted shall be the
"Offering Date" of such right for all purposes, including determination of the
exercise price of such right;

                  (ii) the period of the Offering with respect to such right
shall begin on its Offering Date and end coincident with the end of such
Offering; and

                  (iii) the Board or the Committee may provide that if such
person first becomes an eligible employee within a specified period of time
before the end of the Offering, he or she will not receive any right under that
Offering.

         (c) No employee shall be eligible for the grant of any rights under the
Plan if, immediately after any such rights are granted, such employee owns stock
possessing five percent (5%) or more of the total combined voting power or value
of all classes of stock of the Company or of any Affiliate. For purposes of this
subparagraph 5(c), the rules of Section 424(d) of the Code shall apply in
determining the stock ownership of any employee, and stock which such employee
may purchase under all outstanding rights and options shall be treated as stock
owned by such employee.

         (d) An eligible employee may be granted rights under the Plan only if
such rights, together with any other rights granted under "employee stock
purchase plans" of the Company and any Affiliates, as specified by Section
423(b)(8) of the Code, do not permit such employee's rights to purchase stock of
the Company or any Affiliate to accrue at a rate which exceeds twenty five
thousand dollars ($25,000) of fair market value of such stock (determined at the
time such rights are granted) for each calendar year in which such rights are
outstanding at any time.

         (e) Officers of the Company and any designated Affiliate shall be
eligible to participate in Offerings under the Plan, provided, however, that the
Board may provide in an Offering that certain employees who are highly
compensated employees within the meaning of Section 423(b)(4)(D) of the Code
shall not be eligible to participate.


<PAGE>   4

6.       RIGHTS; PURCHASE PRICE.

         (a) On each Offering Date, each eligible employee, pursuant to an
Offering made under the Plan, shall be granted the right to purchase up to the
number of shares of Common Stock of the Company purchasable with a percentage
designated by the Board or the Committee not exceeding fifteen percent (15%) of
such employee's Earnings (as defined by the Board or the Committee in each
Offering) during the period which begins on the Offering Date (or such later
date as the Board or the Committee determines for a particular Offering) and
ends on the date stated in the Offering, which date shall be no later than the
end of the Offering. The Board or the Committee shall establish one or more
dates during an Offering (the "Purchase Date(s)") on which rights granted under
the Plan shall be exercised and purchases of Common Stock carried out in
accordance with such Offering.

         (b) In connection with each Offering made under the Plan, the Board or
the Committee may specify a maximum number of shares that may be purchased by
any employee as well as a maximum aggregate number of shares that may be
purchased by all eligible employees pursuant to such Offering. In addition, in
connection with each Offering that contains more than one Purchase Date, the
Board or the Committee may specify a maximum aggregate number of shares which
may be purchased by all eligible employees on any given Purchase Date under the
Offering. If the aggregate purchase of shares upon exercise of rights granted
under the Offering would exceed any such maximum aggregate number, the Board or
the Committee shall make a pro rata allocation of the shares available in as
nearly a uniform manner as shall be practicable and as it shall deem to be
equitable.

         (c) The purchase price of stock acquired pursuant to rights granted
under the Plan shall be not less than the lesser of:

                  (i) an amount equal to eighty-five percent (85%) of the fair 
market value of the stock on the Offering Date; or

                  (ii) an amount equal to eighty-five percent (85%) of the fair
market value of the stock on the Purchase Date.

7.       PARTICIPATION; WITHDRAWAL; TERMINATION.

         (a) An eligible employee may become a participant in the Plan pursuant
to an Offering by delivering a participation agreement to the Company within the
time specified in the Offering, in such form as the Company provides. Each such
agreement shall authorize payroll deductions of up to the maximum percentage
specified by the Board or the Committee of such employee's Earnings during the
Offering (as defined by the Board or Committee in each Offering). The payroll
deductions made for each participant shall be credited to an account for such
participant under the Plan and shall be deposited with the general funds of the
Company. A participant may reduce (including to zero) or increase such payroll
deductions, and an eligible employee may begin such payroll deductions, after
the beginning of any Offering only as provided for in the Offering. A
participant may make additional payments into his or her account only if
specifically provided for in the Offering and only if the participant has not
had the maximum amount withheld during the Offering.

         (b) At any time during an Offering, a participant may terminate his or
her payroll deductions under the Plan and withdraw from the Offering by
delivering to the Company a notice of withdrawal in 


<PAGE>   5

such form as the Company provides. Such withdrawal may be elected at any time
prior to the end of the Offering except as provided by the Board or the
Committee in the Offering. Upon such withdrawal from the Offering by a
participant, the Company shall distribute to such participant all of his or her
accumulated payroll deductions (reduced to the extent, if any, such deductions
have been used to acquire stock for the participant) under the Offering, without
interest, and such participant's interest in that Offering shall be
automatically terminated. A participant's withdrawal from an Offering will have
no effect upon such participant's eligibility to participate in any other
Offerings under the Plan but such participant will be required to deliver a new
participation agreement in order to participate in subsequent Offerings under
the Plan.

         (c) Rights granted pursuant to any Offering under the Plan shall
terminate immediately upon cessation of any participating employee's employment
with the Company and any designated Affiliate, for any reason, and the Company
shall distribute to such terminated employee all of his or her accumulated
payroll deductions (reduced to the extent, if any, such deductions have been
used to acquire stock for the terminated employee) under the Offering, without
interest.

         (d) Rights granted under the Plan shall not be transferable by a
participant otherwise than by will or the laws of descent and distribution, or
by a beneficiary designation as provided in paragraph 14 and, otherwise during
his or her lifetime, shall be exercisable only by the person to whom such rights
are granted.

8.       EXERCISE.

         (a) On each Purchase Date specified therefor in the relevant Offering,
each participant's accumulated payroll deductions and other additional payments
specifically provided for in the Offering (without any increase for interest)
will be applied to the purchase of whole shares of stock of the Company, up to
the maximum number of shares permitted pursuant to the terms of the Plan and the
applicable Offering, at the purchase price specified in the Offering. No
fractional shares shall be issued upon the exercise of rights granted under the
Plan. The amount, if any, of accumulated payroll deductions remaining in each
participant's account after the purchase of shares which is less than the amount
required to purchase one share of stock on the final Purchase Date of an
Offering shall be held in each such participant's account for the purchase of
shares under the next Offering under the Plan, unless such participant withdraws
from such next Offering, as provided in subparagraph 7(b), or is no longer
eligible to be granted rights under the Plan, as provided in paragraph 5, in
which case such amount shall be distributed to the participant after such final
Purchase Date, without interest. The amount, if any, of accumulated payroll
deductions remaining in any participant's account after the purchase of shares
which is equal to the amount required to purchase whole shares of stock on the
final Purchase Date of an Offering shall be distributed in full to the
participant after such Purchase Date, without interest.

         (b) No rights granted under the Plan may be exercised to any extent
unless the shares to be issued upon such exercise under the Plan (including
rights granted thereunder) are covered by an effective registration statement
pursuant to the Securities Act of 1933, as amended (the "Securities Act") and
the Plan is in material compliance with all applicable state, foreign and other
securities and other laws applicable to the Plan. If on a Purchase Date in any
Offering hereunder the Plan is not so registered or in such compliance, no
rights granted under the Plan or any Offering shall be exercised on 


<PAGE>   6

such Purchase Date, and the Purchase Date shall be delayed until the Plan is
subject to such an effective registration statement and such compliance, except
that the Purchase Date shall not be delayed more than twelve (12) months and the
Purchase Date shall in no event be more than twenty-seven (27) months from the
Offering Date. If on the Purchase Date of any Offering hereunder, as delayed to
the maximum extent permissible, the Plan is not registered and in such
compliance, no rights granted under the Plan or any Offering shall be exercised
and all payroll deductions accumulated during the Offering (reduced to the
extent, if any, such deductions have been used to acquire stock) shall be
distributed to the participants, without interest.

9.       COVENANTS OF THE COMPANY.

         (a) During the terms of the rights granted under the Plan, the Company
shall keep available at all times the number of shares of stock required to
satisfy such rights.

         (b) The Company shall seek to obtain from each federal, state, foreign
or other regulatory commission or agency having jurisdiction over the Plan such
authority as may be required to issue and sell shares of stock upon exercise of
the rights granted under the Plan. If, after reasonable efforts, the Company is
unable to obtain from any such regulatory commission or agency the authority
which counsel for the Company deems necessary for the lawful issuance and sale
of stock under the Plan, the Company shall be relieved from any liability for
failure to issue and sell stock upon exercise of such rights unless and until
such authority is obtained.

10.      USE OF PROCEEDS FROM STOCK.

         Proceeds from the sale of stock pursuant to rights granted under the
Plan shall constitute general funds of the Company.

11.      RIGHTS AS A SHAREHOLDER.

         A participant shall not be deemed to be the holder of, or to have any
of the rights of a holder with respect to, any shares subject to rights granted
under the Plan unless and until the participant's shareholdings acquired upon
exercise of rights under the Plan are recorded in the books of the Company.

12.      ADJUSTMENTS UPON CHANGES IN STOCK.

         (a) If any change is made in the stock subject to the Plan, or subject
to any rights granted under the Plan (through merger, consolidation,
reorganization, recapitalization, reincorporation, stock dividend, dividend in
property other than cash, stock split, liquidating dividend, combination of
shares, exchange of shares, change in corporate structure or other transaction
not involving the receipt of consideration by the Company), the Plan and
outstanding rights will be appropriately adjusted in the class(es) and maximum
number of shares subject to the Plan and the class(es) and number of shares and
price per share of stock subject to outstanding rights. Such adjustments shall
be made by the Board or the Committee, the determination of which shall be
final, binding and conclusive. (The conversion of any convertible securities of
the Company shall not be treated as a "transaction not involving the receipt of
consideration by the Company.")


<PAGE>   7

         (b) In the event of: (1) a dissolution or liquidation of the Company;
(2) a merger or consolidation in which the Company is not the surviving
corporation; (3) a reverse merger in which the Company is the surviving
corporation but the shares of the Company's Common Stock outstanding immediately
preceding the merger are converted by virtue of the merger into other property,
whether in the form of securities, cash or otherwise; or (4) the acquisition by
any person, entity or group within the meaning of Section 13(d) or 14(d) of the
Exchange Act or any comparable successor provisions (excluding any employee
benefit plan, or related trust, sponsored or maintained by the Company or any
Affiliate of the Company) of the beneficial ownership (within the meaning of
Rule 13d-3 promulgated under the Exchange Act, or comparable successor rule) of
securities of the Company representing at least fifty percent (50%) of the
combined voting power entitled to vote in the election of directors, then, as
determined by the Board in its sole discretion (i) any surviving or acquiring
corporation may assume outstanding rights or substitute similar rights for those
under the Plan, (ii) such rights may continue in full force and effect, or (iii)
participants' accumulated payroll deductions may be used to purchase Common
Stock immediately prior to the transaction described above and the participants'
rights under the ongoing Offering terminated.

13.      AMENDMENT OF THE PLAN.

         (a) The Board at any time, and from time to time, may amend the Plan.
However, except as provided in paragraph 12 relating to adjustments upon changes
in stock, no amendment shall be effective unless approved by the shareholders of
the Company within twelve (12) months before or after the adoption of the
amendment, where the amendment will:

                  (i) Increase the number of shares reserved for rights under 
         the Plan;

                  (ii) Modify the provisions as to eligibility for participation
         in the Plan (to the extent such modification requires shareholder
         approval in order for the Plan to obtain employee stock purchase plan
         treatment under Section 423 of the Code or to comply with the
         requirements of Rule 16b-3 promulgated under the Exchange Act as
         amended ("Rule 16b-3")); or

                  (iii) Modify the Plan in any other way if such modification
         requires shareholder approval in order for the Plan to obtain employee
         stock purchase plan treatment under Section 423 of the Code or to
         comply with the requirements of Rule 16b-3.

It is expressly contemplated that the Board may amend the Plan in any respect
the Board deems necessary or advisable to provide eligible employees with the
maximum benefits provided or to be provided under the provisions of the Code and
the regulations promulgated thereunder relating to employee stock purchase plans
and/or to bring the Plan and/or rights granted under it into compliance
therewith.

         (b) Rights and obligations under any rights granted before amendment of
the Plan shall not be impaired by any amendment of the Plan, except with the
consent of the person to whom such rights were granted, or except as necessary
to comply with any laws or governmental regulations, or except as necessary to
ensure that the Plan and/or rights granted under the Plan comply with the
requirements of Section 423 of the Code.

14.      DESIGNATION OF BENEFICIARY.


<PAGE>   8

         (a) A participant may file a written designation of a beneficiary who
is to receive any shares and cash, if any, from the participant's account under
the Plan in the event of such participant's death subsequent to the end of an
Offering but prior to delivery to the participant of such shares and cash. In
addition, a participant may file a written designation of a beneficiary who is
to receive any cash from the participant's account under the Plan in the event
of such participant's death during an Offering.

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

15.      TERMINATION OR SUSPENSION OF THE PLAN.

         (a) The Board in its discretion, may suspend or terminate the Plan at
any time. No rights may be granted under the Plan while the Plan is suspended or
after it is terminated.

         (b) Rights and obligations under any rights granted while the Plan is
in effect shall not be impaired by suspension or termination of the Plan, except
as expressly provided in the Plan or with the consent of the person to whom such
rights were granted, or except as necessary to comply with any laws or
governmental regulation, or except as necessary to ensure that the Plan and/or
rights granted under the Plan comply with the requirements of Section 423 of the
Code.

16.      EFFECTIVE DATE OF PLAN.

         The Plan shall become effective on the same day that the Company's
initial public offering of shares of common stock becomes effective (the
"Effective Date"), but no rights granted under the Plan shall be exercised
unless and until the Plan has been approved by the shareholders of the Company
within twelve (12) months before or after the date the Plan is adopted by the
Board or the Committee, which date may be prior to the Effective Date.





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