SECURE COMPUTING CORP
8-A12G, 1997-08-08
COMPUTER PROGRAMMING SERVICES
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549



                                    FORM 8-A


                FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES
                     PURSUANT TO SECTION 12(b) OR (g) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


                          SECURE COMPUTING CORPORATION
- --------------------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)


               DELAWARE                                  52-1637226
- --------------------------------------------------------------------------------
(State of incorporation or organization)    (I.R.S. Employer Identification No.)




         2675 LONG LAKE ROAD, ROSEVILLE, MN                     55113
- --------------------------------------------------------------------------------
      (Address of principal executive offices)                (Zip Code)



Securities to be registered pursuant to Section 12(b) of the Act:

                                      NONE

Securities to be registered pursuant to Section 12(g) of the Act:

                               Title of each class
                               to be so registered

                         PREFERRED SHARE PURCHASE RIGHTS


                         Exhibit Index located at page 7

<PAGE>


Item 1.  Description of Securities to be Registered.

         On July 24, 1997, the Board of Directors of Secure Computing
Corporation (the "Company"), declared a dividend of one preferred share purchase
right (a "Right") for each outstanding Common Share, $.01 par value (the "Common
Shares"), of the Company. The dividend is payable on August 15, 1997 (the
"Record Date") to stockholders of record on that date. The Board also authorized
the issuance of one Right for each Non-Voting Exchangeable Share (the
"Exchangeable Shares") of Secure Computing Canada Ltd. ("Secure Computing
Canada") outstanding on the Record Date. Rights issued with respect to the
Exchangeable Shares will be issued to The Bank of Nova Scotia Trust Company of
New York, as trustee (the "Trustee") for the benefit of Secure Computing Canada,
in order to enable Secure Computing Canada to effectuate the economic equivalent
to the holders of Exchangeable Shares of the Rights issued to the holders of
Common Shares as required under the Support Agreement by and between the Company
and Secure Computing Canada, dated as of August 29, 1996.

         Each Right entitles the registered holder to purchase from the Company
one one-hundredth of a Series B Junior Participating Preferred Share, $.01 par
value (the "Preferred Shares"), of the Company at a price of $50 per one
one-hundredth of a Preferred Share (the "Purchase Price"), subject to
adjustment. The description and terms of the Rights are set forth in a Rights
Agreement (the "Rights Agreement"), dated as of July 24, 1997, among the
Company, Norwest Bank Minnesota, National Association, as Rights Agent (the
"Rights Agent") and the Trustee.

         Initially, the Rights will attach to all certificates representing
Common Shares and will be held by the Trustee for the benefit of Secure
Computing Canada with respect to Exchangeable Shares then outstanding and no
separate Right Certificates will be distributed. The Rights will separate from
the Common Shares, will no longer be held by the Trustee for the benefit of
Secure Computing Canada and a Distribution Date for the Rights will occur upon
the earlier of:

                   (i) the close of business on the fifteenth day following a
public announcement that a person or group of affiliated or associated persons
has become an "Acquiring Person" (i.e., has become, subject to certain
exceptions, the beneficial owner of 15% or more of the outstanding Common
Shares, including Exchangeable Shares), or

                   (ii) the close of business on the fifteenth day following the
commencement or public announcement of a tender offer or exchange offer the
consummation of which would result in a person or group of affiliated or
associated persons becoming, subject to certain exceptions, the beneficial owner
of 15% or more of the outstanding Common Shares, including Exchangeable Shares
(or such later date as may be determined by the Board of Directors of the
Company prior to a person or group of affiliated or associated persons becoming
an Acquiring Person).

<PAGE>


Until the Distribution Date,

                   (i) the Rights will be evidenced by the Common Share
certificates and on the books and records of Secure Computing Canada and will be
transferred with and only with the Common Shares and, in the case of Rights held
by the Trustee for the benefit of Secure Computing Canada, at the direction of
Secure Computing Canada,

                   (ii) new Common Share certificates and Exchangeable Share
certificates issued after the Record Date upon transfer or new issuance of the
Common Shares or Exchangeable Shares will contain a notation incorporating by
reference, or in the case of Exchangeable Shares denoting, the Rights Agreement,
and

                   (iii) the surrender for transfer of any Common Share
certificate, even without such notation or a copy of this Summary of Rights
attached thereto, will also constitute the transfer of the Rights associated
with the Common Shares represented by such certificate.

As promptly as practicable following the Distribution Date, separate
certificates evidencing the Rights ("Right Certificates") will be mailed to
holders of record of the Common Shares as of the close of business on the
Distribution Date and to Secure Computing Canada or as Secure Computing Canada
directs and such separate Right Certificates alone will evidence the Rights.

         The Rights are not exercisable until the Distribution Date. The Rights
will expire on August 15, 2007, unless extended or earlier redeemed or exchanged
by the Company as described below.

         The Purchase Price payable, and the number of Preferred Shares or other
securities or property issuable, upon exercise of the Rights are subject to
adjustment from time to time to prevent dilution:

                   (i) in the event of a stock dividend on, or a subdivision,
combination or reclassification of, the Preferred Shares,

                   (ii) upon the grant to holders of the Preferred Shares of
certain rights, options or warrants to subscribe for or purchase Preferred
Shares or convertible securities at less than the then current market price of
the Preferred Shares, or

                   (iii) upon the distribution to holders of the Preferred
Shares of evidences of indebtedness or assets (excluding regular periodic cash
dividends or dividends payable in Preferred Shares) or of subscription rights or
warrants (other than those described in clause (ii) hereof).

<PAGE>


The number of Preferred Shares issuable upon the exercise of a Right is also
subject to adjustment in the event of a dividend on Common Shares payable in
Common Shares, or a subdivision, combination or consolidation of the Common
Shares.

         With certain exceptions, no adjustment in the Purchase Price will be
required until cumulative adjustments require an adjustment of at least 1% in
the Purchase Price. No fractional Preferred Shares will be issued (other than
fractional shares which are integral multiples of one one-hundredth (subject to
adjustment) of a Preferred Share, which may, at the election of the Company, be
evidenced by depositary receipts) if in lieu thereof a payment in cash is made
based on the closing price (pro-rated for the fraction) of the Preferred Shares
on the last trading date prior to the date of exercise.

         In the event that any person or group of affiliated or associated
persons becomes an Acquiring Person (unless such person first becomes an
Acquiring Person pursuant to a tender offer or exchange offer for all
outstanding Common Shares, including Exchangeable Shares, at a price and on
terms determined by the Board of Directors of the Company (prior to any change
in control of the Board of Directors) to be fair to the stockholders and
otherwise in the best interests of the Company and its stockholders and which
the Board of Directors recommends to the stockholders), proper provision shall
be made so that each holder of a Right, other than Rights that are or were
beneficially owned by the Acquiring Person (which will thereafter be void), will
thereafter have the right to receive upon exercise thereof at the then current
exercise price of the Right that number of Common Shares having a market value
of two times the exercise price of the Right, subject to certain possible
adjustments.

         In the event that, after the Distribution Date or within 15 days prior
thereto, the Company is acquired in certain mergers or other business
combination transactions (other than a transaction for at least the same
per-share consideration with a person who acquired Common Shares through a
tender offer or exchange offer for all outstanding Common Shares, including
Exchangeable Shares, approved by the Board of Directors in accordance with the
preceding paragraph or any wholly owned subsidiary of any such person) or 50% or
more of the assets or earning power of the Company and its subsidiaries (taken
as a whole) are sold after the Distribution Date or within 15 days prior thereto
in one or a series of related transactions, each holder of a Right (other than
Rights which have become void under the terms of the Rights Agreement) will
thereafter have the right to receive, upon exercise thereof at the then current
exercise price of the Right, that number of common shares of the acquiring
company (or, in certain cases, one of its affiliates) having a market value of
two times the exercise price of the Right.

         In certain events specified in the Rights Agreement, the Company is
permitted to temporarily suspend the exercisability of the Rights.

         At any time after a person or group of affiliated or associated persons
becomes an Acquiring Person (subject to certain exceptions) and prior to the
acquisition by a person or group of affiliated or associated persons of 50% or
more of the outstanding Common Shares, including

<PAGE>


Exchangeable Shares, the Board of Directors of the Company may exchange all or
part of the Rights (other than Rights which have become void under the terms of
the Rights Agreement) for Common Shares or equivalent securities at an exchange
ratio per Right equal to the result obtained by dividing the exercise price of a
Right by the current per share market price of the Common Shares, subject to
adjustment.

         At any time prior to the close of business on the twentieth day after a
public announcement that a person or group of affiliated or associated persons
has become an Acquiring Person, the Board of Directors of the Company may redeem
the Rights in whole, but not in part, at a price of $.001 per Right, subject to
adjustment (the "Redemption Price"), payable in cash; provided, however, that
such redemption may occur after any person becomes an Acquiring Person only if
there has not been a change in control of the Board of Directors of the Company.
The period of time during which the Rights may be redeemed may be extended by
the Board of Directors of the Company if no such change of control has occurred
or if no person has become an Acquiring Person. The redemption of the Rights may
be made effective at such time, on such basis and with such conditions as the
Board of Directors in its sole discretion may establish. The Board of Directors
and the Company shall not have any liability to any person as a result of the
redemption or exchange of the Rights pursuant to the provisions of the Rights
Agreement. The Rights are not exercisable for Common Shares or Preferred Shares,
and the Distribution Date shall not occur, until the Company's right to redeem
the Rights shall have expired.

         The terms of the Rights may be amended by the Board of Directors of the
Company, subject to certain limitations after the Distribution Date, without the
consent of the holders of the Rights, including an amendment prior to the date a
person or group of affiliated or associated persons becomes an Acquiring Person
to lower the 15% threshold for exercisability of the Rights to not less than the
greater of (i) the sum of .001% and the largest percentage of the outstanding
Common Shares, including Exchangeable Shares, then known by the Company to be
beneficially owned by any person or group of affiliated or associated persons
(subject to certain exceptions) or (ii) 10%.

         Until a Right is exercised, the holder thereof, as such, will have no
rights as a stockholder of the Company, including, without limitation, the right
to vote or to receive dividends.

         A copy of the Rights Agreement (including all exhibits thereto), dated
as of July 24, 1997 among the Company, the Rights Agent and the Trustee,
specifying the terms of the Rights, which includes as Exhibit B the form of
Right Certificate, is attached hereto as Exhibit 1 and incorporated herein by
reference. The foregoing description of the Rights does not purport to be
complete and is qualified in its entirety by reference to the Rights Agreement.

<PAGE>


Item 2.  Exhibits.

         1.       Form of Rights Agreement, dated as of July 24, 1997 among
                  Secure Computing Corporation, Norwest Bank Minnesota, National
                  Association, as Rights Agent, and The Bank of Nova Scotia
                  Trust Company of New York, as Trustee, which includes as
                  Exhibit B the form of Right Certificate. Pursuant to the
                  Rights Agreement, Right Certificates will not be mailed until
                  after the earlier of (i) the close of business on the
                  fifteenth day following a public announcement that a person or
                  group of affiliated or associated persons has become, subject
                  to certain exceptions, the beneficial owner of 15% or more of
                  the outstanding Common Shares (including Exchangeable Shares
                  of Secure Computing Canada Ltd.), or (ii) the close of
                  business on the fifteenth day following the commencement or
                  public announcement of a tender offer or exchange offer the
                  consummation of which would result in a person or group of
                  affiliated or associated persons becoming, subject to certain
                  exceptions, the beneficial owner of 15% or more of the
                  Company's outstanding Common Shares, including Exchangeable
                  Shares (or such later date as may be determined by the Board
                  of Directors of the Company prior to a person or group of
                  affiliated or associated persons becoming the beneficial owner
                  of 15% or more of the Company's outstanding Common Shares,
                  including Exchangeable Shares).



                                    SIGNATURE

         Pursuant to the requirements of Section 12 of the Securities Exchange
Act of 1934, the registrant has duly caused this registration statement to be
signed on its behalf by the undersigned, thereunto duly authorized.


                                       SECURE COMPUTING CORPORATION


Date:  August 8, 1997                  By: /s/ Timothy P. McGurran
                                           ------------------------------------
                                       Its: Vice President of Operations
                                           ------------------------------------
                                            and Chief Financial Officer
                                           ------------------------------------

<PAGE>


                                  EXHIBIT INDEX



Exhibit No.                                                     Page No.
- -----------                                                     --------

1.       Form of Rights Agreement                                   8






                                                                       EXHIBIT 1


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


                             SHARE RIGHTS AGREEMENT




                          SECURE COMPUTING CORPORATION


                  NORWEST BANK MINNESOTA, NATIONAL ASSOCIATION
                                  RIGHTS AGENT

                                       AND

                THE BANK OF NOVA SCOTIA TRUST COMPANY OF NEW YORK
                                     TRUSTEE





                                RIGHTS AGREEMENT

                            DATED AS OF JULY 24, 1997


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

<PAGE>


                                TABLE OF CONTENTS

<TABLE>
<CAPTION>

<S>               <C>

Section 1.        Certain Definitions.............................................................................2

Section 2.        Appointment of Rights Agent.....................................................................6

Section 3.        Issue of Right Certificates.....................................................................6

Section 4.        Form of Right Certificates.....................................................................10

Section 5.        Countersignature and Registration..............................................................10

Section 6.        Transfer, Split-Up, Combination and Exchange of Right Certificates; Lost, Stolen,
                  Destroyed or Mutilated Right Certificates......................................................11

Section 7.        Exercise of Rights; Purchase Price; Expiration Date of Rights..................................12

Section 8.        Cancellation and Destruction of Right Certificates.............................................13

Section 9.        Reservation and Availability of Preferred Shares...............................................13

Section 10.       Preferred Shares Record Date...................................................................14

Section 11.       Adjustment of Purchase Price, Number and Kind of Shares or Number of Rights....................15

Section 12.       Certificate of Adjusted Purchase Price or Number of Shares.....................................23

Section 13.       Consolidation, Merger, Sale or Transfer of Assets or Earning Power.............................24

Section 14.       Fractional Rights and Fractional Shares........................................................26

Section 15.       Rights of Action...............................................................................27

Section 16.       Agreement of Right Holders.....................................................................28

Section 17.       Right Certificate Holder Not Deemed a Stockholder..............................................29

Section 18.       Concerning the Rights Agent and the Trustee....................................................29

Section 19.       Merger or Consolidation or Change of Name of Rights Agent or Trustee...........................30

Section 20.       Duties of Rights Agent and Trustee.............................................................30

Section 21.       Change of Rights Agent or Trustee..............................................................33

<PAGE>


Section 22.       Issuance of New Right Certificates.............................................................34

Section 23.       Redemption.....................................................................................34

Section 24.       Exchange.......................................................................................35

Section 25.       Notice of Certain Events.......................................................................37

Section 26.       Notices........................................................................................38

Section 27.       Supplements and Amendments.....................................................................39

Section 28.       Successors.....................................................................................39

Section 29.       Benefits of this Agreement.....................................................................39

Section 30.       Severability...................................................................................40

Section 31.       Governing Law..................................................................................40

Section 32.       Counterparts...................................................................................40

Section 33.       Descriptive Headings...........................................................................40


Exhibit A         --   Certificate of Powers, Designations, Preferences and Rights of Series B Junior
                       Participating Preferred Shares

Exhibit B         --   Form of Right Certificate

Exhibit C         --   Summary of Rights to Purchase Preferred Shares

</TABLE>

<PAGE>


                                RIGHTS AGREEMENT


         Agreement, dated as of July 24, 1997, among Secure Computing
Corporation, a Delaware corporation (the "Company"), Norwest Bank Minnesota,
National Association (the "Rights Agent"), and The Bank of Nova Scotia Trust
Company of New York (the "Trustee").

         The Board of Directors of the Company has authorized and declared a
dividend of one preferred share purchase right (individually a "Right" and
collectively the "Rights") for each Common Share (as defined in this Agreement)
of the Company outstanding at the Close of Business (as defined in this
Agreement) on August 15, 1997 (the "Record Date"), each Right initially
representing the right to purchase one one-hundredth of a Preferred Share (as
defined in this Agreement), upon the terms and subject to the conditions set
forth in this Agreement, and, except as provided in the second to last sentence
of the next succeeding paragraph, has further authorized the issuance of one
Right (as such number may hereafter be adjusted pursuant to the provisions of
Section 11) with respect to each Common Share that shall become outstanding (i)
at any time between the Record Date and the earliest of the Distribution Date,
the Redemption Date or the Final Expiration Date (as such terms are defined in
this Agreement) or (ii) upon the exercise or conversion, prior to the earlier of
the Redemption Date or the Final Expiration Date, of any option or other
security exercisable for or convertible into Common Shares, which option or
other such security is outstanding on the Distribution Date.

         Pursuant to a Support Agreement by and between the Company and Secure
Computing Canada (as defined in this Agreement), dated as of August 29, 1996
(the "Support Agreement"), Secure Computing Canada is obligated to issue or
distribute to the holders of Exchangeable Shares (as defined in this Agreement)
the economic equivalent on a per share basis of any rights issued or distributed
to the holders of Common Shares of the Company. In order to permit Secure
Computing Canada to be able to satisfy this obligation and in accordance with
the Company's obligations under the Support Agreement, the Board of Directors of
the Company has authorized the issuance to the Trustee of one Right for each
Exchangeable Share outstanding at the Close of Business on the Record Date to be
held by the Trustee pursuant to the terms hereof for the benefit of Secure
Computing Canada in order to enable Secure Computing Canada to effectuate the
economic equivalent to the holders of Exchangeable Shares of the Rights issued
to the holders of Common Shares of the Company, each Right initially
representing the right to purchase one one-hundredth of a Preferred Share of the
Company, upon the terms and subject to the conditions set forth in this
Agreement. The Board of Directors of the Company has further authorized the
issuance of one Right (as such number may hereafter be adjusted pursuant to the
provisions of Section 11) (i) to the Trustee for the benefit of Secure Computing
Canada with respect to each Exchangeable Share that shall become outstanding at
any time between the Record Date and the earliest of the Distribution Date, the
Redemption Date or the Final Expiration Date and (ii) after the Distribution
Date, to Secure Computing Canada or as Secure Computing Canada may direct with
respect to each Exchangeable Share that shall become outstanding upon the
exercise or

<PAGE>


conversion, prior to the earlier of the Redemption Date or the Final Expiration
Date, of any option or other security exercisable or exchangeable for or
convertible into Exchangeable Shares, which option or other such security is
outstanding on the Distribution Date. Notwithstanding anything stated in this
paragraph or the last sentence of the immediately preceding paragraph, a Right
(as such Right may be adjusted pursuant to the provisions of Section 11) shall
not be issuable to a holder of an Exchangeable Share upon the exchange thereof
for Common Shares of the Company if a Distribution Date has occurred and a
separate Right Certificate has been issued or is issuable with respect to such
Exchangeable Share to Secure Computing Canada or at its direction. If a separate
Right Certificate has not been issued, and is not then issuable, to Secure
Computing Canada or at its direction with respect to such Exchangeable Share
prior to the exchange of an Exchangeable Share for Common Shares, the Rights
held by the Trustee for the benefit of Secure Computing Canada with respect to
such Exchangeable Share shall, without any action by the Trustee, Secure
Computing Canada or the Company, be deemed cancelled and retired at the time of
such exchange without any consideration, and one Right (as such Right may be
adjusted pursuant to the provisions of Section 11) shall be issued by the
Company with respect to each Common Share that becomes outstanding, upon such
exchange and prior to the earliest of the Distribution Date, Redemption Date or
Final Expiration Date, to the record holder thereof.

         Accordingly, in consideration of the premises and the mutual agreements
herein set forth, the parties hereby agree as follows:

         Section 1. Certain Definitions. For purposes of this Agreement, the
following terms have the meanings indicated:

         (a) "Acquiring Person" shall mean any Person (as such term is defined
in this Agreement) who or which, together with all Affiliates and Associates (as
such terms are defined in this Agreement) of such Person, shall be the
Beneficial Owner (as such term is defined in this Agreement) of 15% or more of
the Common Shares of the Company then outstanding, but shall not include (i) the
Company, (ii) any Subsidiary (as such term is defined in this Agreement) of the
Company, (iii) any employee benefit plan of the Company or of any Subsidiary of
the Company, (iv) any entity holding Common Shares for or pursuant to the terms
of any such plan described in clause (iii) of this sentence, (v) Montreal Trust
Company of Canada ("Montreal Trust") to the extent it may otherwise be deemed to
be the Beneficial Owner of Common Shares by reason of that certain Voting and
Exchange Trust Agreement dated as of August 29, 1996 between the Company, Secure
Computing Canada and Montreal Trust (the "Voting Trust Agreement") or (vi) the
Trustee by reason of this Agreement. Notwithstanding the foregoing, no Person
shall become an "Acquiring Person" as the result of an acquisition of Common
Shares by the Company which, by reducing the number of Common Shares
outstanding, increases the proportionate number of shares beneficially owned by
such Person to 15% or more of the Common Shares of the Company then outstanding;
provided, however, that if a Person shall, together with all Affiliates or
Associates of such Person, become the Beneficial Owner of 15% or more of the
Common Shares of the Company then outstanding by reason of share acquisitions by
the Company and if such 

<PAGE>


Person or such Person's Affiliates or Associates shall, after such share
acquisitions by the Company, become the Beneficial Owner of any additional
Common Shares of the Company, and, immediately after becoming the Beneficial
Owner of such additional Common Shares, such Person shall, together with all
Affiliates and Associates of such Person, be the Beneficial Owner of 15% or more
of the Common Shares of the Company then outstanding, then such Person (unless
such Person shall be (1) the Company, (2) any Subsidiary of the Company, (3) any
employee benefit plan of the Company or of any Subsidiary of the Company, (4)
any entity holding Common Shares for or pursuant to the terms of any such plan
described in clause (3) of this sentence, (5) the Montreal Trust to the extent
it may otherwise be deemed to be the Beneficial Owner of Common Shares by reason
of the Voting Trust Agreement, or (6) the Trustee by reason of this Agreement)
shall be deemed an "Acquiring Person." For purposes of calculating any Person's
percentage of beneficial ownership of Common Shares of the Company under this
Agreement there shall be included in the number of Common Shares beneficially
owned by such Person the total number of Exchangeable Shares beneficially owned
by such Person and in the number of Common Shares of the Company then
outstanding all Exchangeable Shares then outstanding (other than the
Exchangeable Shares owned by the Company or any Subsidiary). An entity other
than the Company or any Subsidiary of the Company holding Common Shares for or
pursuant to the terms of an employee benefit plan of the Company or of any
Subsidiary of the Company and in addition being the Beneficial Owner of Common
Shares that are not held for or pursuant to the terms of any such plan shall be
deemed to constitute an Acquiring Person, notwithstanding anything herein
stated, if, but only if, it, together with its Affiliates and Associates, shall
be the Beneficial Owner of 15% or more, exclusive of those Common Shares held by
it for or pursuant to the terms of any such plan, of the Common Shares then
outstanding.

         (b) "Affiliate" and "Associate" shall have the respective meanings
ascribed to such terms in Rule 12b-2 of the General Rules and Regulations under
the Securities Exchange Act of 1934, as amended (the "Exchange Act"), as in
effect on the date of this Agreement.

         (c) A Person shall be deemed the "Beneficial Owner" of, and shall be
deemed to "beneficially own" or have "beneficial ownership" of, any securities:

                   (i) which such Person or any of such Person's Affiliates or
Associates beneficially owns, directly or indirectly, including without
limitation securities with respect to which such Person or any of such Person's
Affiliates or Associates has "beneficial ownership" pursuant to Rule 13d-3 of
the General Rules and Regulations under the Exchange Act;

                   (ii) which such Person or any of such Person's Affiliates or
Associates has, directly or indirectly, (A) the right to acquire (whether such
right is exercisable immediately or only after the passage of time) pursuant to
any agreement, arrangement or understanding, whether or not in writing (other
than customary agreements with and between underwriters and selling group
members with respect to a bona fide public offering of securities), or upon the
exercise of conversion rights, exchange rights, other rights (other than the
Rights), warrants or options, or otherwise; provided, however, that a Person
shall not be deemed the Beneficial Owner of, or to

<PAGE>


beneficially own, or to have beneficial ownership of, any securities pursuant to
subparagraph (i), (ii) or (iii) of this paragraph (c) solely because such
securities are tendered pursuant to a tender or exchange offer made by or on
behalf of such Person or any of such Person's Affiliates or Associates until
such tendered securities are accepted for purchase or exchange; or (B) the right
to vote or dispose of (including without limitation pursuant to any agreement,
arrangement or understanding (whether or not in writing)); provided, however,
that a Person shall not be deemed the Beneficial Owner of, or to beneficially
own, or to have beneficial ownership of, any securities pursuant to subparagraph
(i), (ii) or (iii) of this paragraph (c) solely because of the right to vote
such securities pursuant to an agreement, arrangement or understanding if the
agreement, arrangement or understanding to vote such securities (x) arises
solely from a revocable proxy or consent given to such Person or any of such
Person's Affiliates or Associates in response to a public proxy or consent
solicitation made pursuant to, and in accordance with, the applicable rules and
regulations under the Exchange Act and (y) is not also then reportable by such
Person on Schedule 13D under the Exchange Act (or any comparable or successor
report) as being beneficially owned by such Person; or

                   (iii) which are beneficially owned, directly or indirectly,
by any other Person (or any Affiliate or Associate thereof) with which such
Person (or any of such Person's Affiliates or Associates) has any agreement,
arrangement or understanding (other than customary agreements with and between
underwriters and selling group members with respect to a bona fide public
offering of securities) for the purpose of acquiring, holding, voting (except
pursuant to the Voting Trust Agreement, this Agreement or a revocable proxy as
described in the final proviso to subparagraph (ii) of this paragraph (c)) or
disposing of any voting securities of the Company.

Notwithstanding anything in these definitions of Beneficial Owner, beneficially
own or beneficial ownership to the contrary, the phrase "then outstanding," when
used with reference to a Person's beneficial ownership of securities of the
Company, shall mean the number of such securities then issued and outstanding
together with the number of such securities not then actually issued and
outstanding which such Person would be deemed to beneficially own under this
Agreement and shall also include Exchangeable Shares owned by any other Person
(other than the Company or its Subsidiaries).

         (d) "Business Day" shall mean any day other than a Saturday, Sunday,
holiday, or a day on which banking institutions in Minneapolis, Minnesota, New
York, New York or Toronto, Ontario are authorized or obligated by law or
executive order to close.

         (e) "Close of Business" on any given date shall mean 5:00 p.m., New
York City time, on such date; provided, however, that if such date is not a
Business Day it shall mean 5:00 p.m., New York City time, on the next succeeding
Business Day.

         (f) "Common Shares," when used with reference to the Company, shall
mean shares of Common Stock, $.01 par value (as such par value may be changed
from time to time), of the Company. "Common Shares," when used with reference to
any Person other than the

<PAGE>


Company, shall mean the capital stock (or equity interest) with the greatest
voting power of such other Person.

         (g) "Continuing Director" shall mean any Person who is a member of the
Board of Directors of the Company, while such Person is a member of the Board of
Directors, who is not an Acquiring Person, or an Affiliate or Associate of an
Acquiring Person, or a representative or nominee of an Acquiring Person or of
any such Affiliate or Associate, and who was a member of the Board of Directors
of the Company on the date of this Agreement. A "Continuing Director" shall also
mean any Person who subsequently becomes a member of the Board of Directors of
the Company, while such Person is a member of the Board of Directors, who is not
an Acquiring Person, or an Affiliate or Associate of an Acquiring Person, or a
representative or nominee of an Acquiring Person or of any such Affiliate or
Associate, if such Person's initial nomination for election or initial election
to the Board of Directors is recommended or approved by the Board of Directors
at a time when a majority of the directors then serving are Continuing
Directors.

         (h) "Distribution Date" shall have the meaning set forth in Section 3.

         (i) "Exchangeable Shares" shall mean the Exchangeable Non-Voting Shares
of Secure Computing Canada.

         (j) "Final Expiration Date" shall have the meaning set forth in
Section 7.

         (k) "Person" shall mean any individual, firm, corporation, partnership
or other entity, and shall include any successor (by merger or otherwise) of any
such entity.

         (l) "Preferred Shares" shall mean Series B Junior Participating
Preferred Shares, $.01 par value (as such par value may be changed from time to
time), of the Company having the rights and preferences set forth in the Form of
Certificate of Powers, Designations, Preferences and Rights attached to this
Agreement as Exhibit A hereto.

         (m) "Redemption Date" shall have the meaning set forth in Section 7.

         (n) "Section 11(a)(ii) Event" shall mean an event described in the
first sentence of Section 11(a)(ii).

         (o) "Section 13 Event" shall mean any event described in clauses (w),
(x) or (y) of Section 13(a).

         (p) "Secure Computing Canada" shall mean Securing Computing Canada
Ltd., a corporation amalgamated under the laws of the Province of Ontario.

<PAGE>


         (q) "Shares Acquisition Date" shall mean the first date of public
announcement (which, for purposes of this definition, shall include, without
limitation, a report filed pursuant to Section 13(d) of the Exchange Act) by the
Company or an Acquiring Person that an Acquiring Person has become such.

         (r) "Subsidiary" of any Person shall mean any corporation or other
entity of which a majority of the voting power of the voting equity securities
or other equity interests entitled to vote in the election of directors (or
Persons with comparable responsibilities if the entity has no directors) is
beneficially owned, directly or indirectly, by such Person, or otherwise
controlled by such Person.

         Section 2. Appointment of Rights Agent. The Company hereby appoints the
Rights Agent to act as agent for the Company and the holders of the Rights (who,
in accordance with Section 3, shall prior to the Distribution Date also be the
Trustee and the holders of the Common Shares) in accordance with the terms and
conditions of this Agreement, and the Rights Agent hereby accepts such
appointment. The Company may from time to time appoint such co-Rights Agents as
it may deem necessary or desirable.

         Section 3. Issue of Right Certificates.

         (a) Until the earlier of (i) the Close of Business on the 15th day
after the Shares Acquisition Date or (ii) the Close of Business on the 15th day
(or such later date as may be determined by action of the Board of Directors of
the Company prior to such time as any Person becomes an Acquiring Person) after
the date of the commencement by any Person (other than the Company, any
Subsidiary of the Company, any employee benefit plan of the Company or of any
Subsidiary of the Company or any entity holding Common Shares for or pursuant to
the terms of any such plan) of, or of the first public announcement of the
intention of any Person (other than the Company, any Subsidiary of the Company,
any employee benefit plan of the Company or of any Subsidiary of the Company or
any entity holding Common Shares for or pursuant to the terms of any such plan)
to commence (which intention shall not have been withdrawn within five business
days (as defined in Rule 14d-1 of the General Rules and Regulations under the
Exchange Act) after such public announcement), a tender or exchange offer the
consummation of which would result in beneficial ownership by a Person (other
than the Company, any Subsidiary of the Company, any employee benefit plan of
the Company or of any Subsidiary of the Company or any entity holding Common
Shares for or pursuant to the terms of any such plan) of 15% or more of the then
outstanding Common Shares (including any such date that is after the date of
this Agreement and prior to the issuance of the Rights, the earlier of such
dates being herein referred to as the "Distribution Date"), (A) the Rights will
be evidenced (subject to the provisions of Section 3(b)) (x) by the certificates
for Common Shares registered in the names of the holders thereof (which
certificates shall also be deemed to be Right Certificates where the context so
requires) and not by separate Right Certificates and (y) on the books and
records of Secure Computing Canada as being held by the Trustee for the benefit
of Secure Computing Canada in order to effectuate the economic equivalent to the
holders of Exchangeable Shares of the

<PAGE>


Rights, and (B) the right to receive Right Certificates will be transferable
only in connection with the transfer of Common Shares and, in the case of Rights
held by the Trustee for the benefit of Secure Computing Canada, at the direction
of Secure Computing Canada. Notwithstanding anything stated in this Section 3 to
the contrary, the Distribution Date shall in no event occur until the authority
of the Board of Directors of the Company to redeem the Rights pursuant to
Section 23(a), as such section may be amended pursuant to Section 27, shall have
terminated. As soon as practicable after the Distribution Date, the Company will
prepare and execute, the Rights Agent will countersign, and the Company will
send or cause to be sent (and the Rights Agent will, if requested, send, at the
expense of the Company) by first-class, postage-prepaid mail, to (1) each record
holder of Common Shares as of the Close of Business on the Distribution Date, at
the address of such holder shown on the records of the Company, one or more
Right Certificates, in substantially the form of Exhibit B hereto (the "Right
Certificates"), evidencing one Right for each Common Share so held, subject to
adjustment pursuant to Section 11(i), and (2) Secure Computing Canada or as
Secure Computing Canada may direct, one or more Right Certificates, evidencing
one Right for each then outstanding Exchangeable Share, subject to adjustment
pursuant to Section 11(i), and the Trustee upon the issuance of such Right
Certificate(s) to Secure Computing Canada or as Secure Computing Canada may
direct shall no longer be deemed to have any interests in the Rights. In the
event that an adjustment in the number of Rights per Common Share has been made
pursuant to Section 11(i), at the time Right Certificates are distributed, the
Company may, to the extent provided in Section 14(a), make the necessary and
appropriate adjustments (as set forth in Section 14(a)) so that Right
Certificates are distributed representing only whole numbers of Rights and pay
cash in lieu of fractional Rights pursuant to Section 14(a). As of and after the
Distribution Date, the Rights will be evidenced solely by such Right
Certificates.

         (b) On the Record Date, or as soon as practicable thereafter, the
Company will send a copy of a Summary of Rights to Purchase Preferred Shares, in
substantially the form of Exhibit C hereto (the "Summary of Rights"), by
first-class, postage-prepaid mail, to each record holder of Common Shares as of
the Close of Business on the Record Date, at the address of such holder shown on
the records of the Company and to Secure Computing Canada to send to each record
holder of Exchangeable Shares as of the Close of Business on the Record Date, at
the address of such holder shown on the records of Secure Computing Canada. With
respect to certificates for Common Shares outstanding as of the Record Date,
until the Distribution Date, the Rights will be evidenced by such certificates
registered in the names of the holders thereof, and the registered holders of
the Common Shares shall also be the registered holders of the associated Rights.
Until the Distribution Date (or the earlier of the Redemption Date or the Final
Expiration Date), the surrender for transfer of any certificate for Common
Shares outstanding on the Record Date, with or without a copy of the Summary of
Rights attached thereto, shall also constitute the transfer of the Rights
associated with the Common Shares represented thereby.

         (c) Certificates for Common Shares which become outstanding after the
Record Date and (i) prior to the earliest of the Distribution Date, the
Redemption Date or the Final Expiration Date or (ii) upon the exercise or
conversion, prior to the earlier of the Redemption Date

<PAGE>


or the Final Expiration Date, of any option or other security exercisable for or
convertible into Common Shares, which option or other security is outstanding on
the Distribution Date, shall have impressed on, printed on, written on or
otherwise affixed to them the following legend:

                           This certificate also evidences and entitles the
                  holder hereof to certain Rights as set forth in a Rights
                  Agreement among Secure Computing Corporation, Norwest Bank
                  Minnesota, National Association and The Bank of Nova Scotia
                  Trust Company of New York, dated as of July 24, 1997 (the
                  "Rights Agreement"), the terms of which (including
                  restrictions on the transfer of such Rights) are hereby
                  incorporated herein by reference and a copy of which is on
                  file with the Secretary at the principal executive offices of
                  the Company. Under certain circumstances, as set forth in the
                  Rights Agreement, such Rights will be evidenced by separate
                  certificates and will no longer be evidenced by this
                  certificate. The Company will mail to the holder of this
                  certificate a copy of the Rights Agreement without charge
                  after receipt of a written request therefor to its Secretary
                  from such holder. Under certain circumstances, as set forth in
                  the Rights Agreement, Rights that are or were acquired or
                  beneficially owned by an Acquiring Person or any Associate or
                  Affiliate thereof (as such terms are defined in the Rights
                  Agreement) may become null and void.

With respect to certificates containing the foregoing legend, until the earliest
of the Distribution Date, the Redemption Date or the Final Expiration Date, the
Rights associated with the Common Shares represented by such certificates shall
be evidenced by such certificates alone, the registered holders of the Common
Shares shall also be the registered holders of the associated Rights and the
surrender for transfer of any such certificate shall also constitute the
transfer of the Rights associated with the Common Shares represented thereby. In
the event that the Company purchases or acquires any Common Shares after the
Record Date but prior to the Distribution Date, any Rights associated with such
Common Shares shall be deemed canceled and retired so that the Company shall not
be entitled to exercise any Rights associated with the Common Shares which are
no longer outstanding.

<PAGE>


         (d) Certificates for Exchangeable Shares which become outstanding after
the Record Date and (i) prior to the earliest of the Distribution Date, the
Redemption Date or the Final Expiration Date or (ii) upon the exercise or
conversion, prior to the earlier of the Redemption Date or the Final Expiration
Date, of any option or other security exercisable or exchangeable for or
convertible into Exchangeable Shares, which option or other security is
outstanding on the Distribution Date, shall have impressed on, printed on,
written on or otherwise affixed to them the following legend:

                           Pursuant to a Rights Agreement among Secure Computing
                  Corporation ("Secure Computing US"), Norwest Bank Minnesota,
                  National Association and The Bank of Nova Scotia Trust Company
                  of New York (the "Trustee"), dated as of July 24, 1997 (the
                  "Rights Agreement"), the Board of Directors of Secure
                  Computing US declared a dividend of one preferred share
                  purchase right (a "Right") for each outstanding Common Share
                  of Secure Computing US. The Board of Directors of Secure
                  Computing US also authorized the issuance of one Right to the
                  Trustee for the benefit of Secure Computing Canada Ltd.
                  ("Secure Computing Canada") for each outstanding Non-Voting
                  Exchangeable Share (the "Exchangeable Shares") of Secure
                  Computing Canada and for each Exchangeable Share that becomes
                  outstanding within time periods specified in the Rights
                  Agreement. Under certain circumstances, as set forth in the
                  Rights Agreement, the Rights will no longer be held by the
                  Trustee on behalf of Secure Computing Canada and separate
                  certificates evidencing such Rights will be issued by the
                  Company to Secure Computing Canada, or at its direction, in
                  order to permit Secure Computing Canada to fulfill its
                  obligations under that certain Support Agreement by and
                  between Secure Computing US and Secure Computing Canada dated
                  as of August 29, 1996 (the "Support Agreement") to issue or
                  distribute to the holders of Exchangeable Shares the economic
                  equivalent on a per share basis of any rights issued or
                  distributed to the holders of Common Shares of Secure
                  Computing US. Secure Computing Canada will mail to the holder
                  of this certificate a copy of the Rights Agreement and the
                  Support Agreement without charge after receipt of a written
                  request therefor to its Secretary from such holder. Under
                  certain circumstances, as set forth in the Rights Agreement,
                  Rights held by the Trustee on behalf of Secure Computing
                  Canada with respect to Exchangeable Shares that are or were
                  acquired or beneficially owned by an Acquiring Person or any
                  Associate or 

<PAGE>


                  Affiliate thereof (as such terms are defined in the Rights
                  Agreement) may become null and void.

In the event that any certificate for Exchangeable Shares is exchanged for
Common Shares prior to the earliest of the Distribution Date, the Redemption
Date or the Final Expiration Date, the Rights held by the Trustee for the
benefit of Secure Computing Canada with respect to the Exchangeable Shares
associated with such certificate shall be deemed cancelled and retired at the
time of such exchange and one Right (as such Right may be adjusted pursuant to
the provisions of Section 11) shall be issued by the Company with respect to
each Common Share that becomes outstanding upon such exchange to the record
holder thereof (and shall be evidenced by the Common Share certificate until the
earliest of the Distribution Date, the Redemption Date or the Final Expiration
Date). In the event that Secure Computing Canada or the Company purchases or
acquires any Exchangeable Shares after the Record Date but prior to the
Distribution Date, any Rights held by the Trustee associated with such
Exchangeable Shares and all interests therein shall be deemed canceled and
retired so that neither Secure Computing Canada or the Company, as the case may
be, nor the Trustee shall be entitled to exercise any Rights associated with the
Exchangeable Shares which have been purchased or acquired by Secure Computing
Canada or the Company.

         Section 4. Form of Right Certificates. The Right Certificates (and the
forms of election to purchase Preferred Shares and of assignment to be printed
on the reverse thereof) shall be in substantially the form of Exhibit B hereto
and may have such marks of identification or designation and such legends,
summaries or endorsements printed thereon as the Company may deem appropriate
and as are not inconsistent with the provisions of this Agreement, or as may be
required to comply with any applicable law, rule or regulation (including,
without limitation, any rule or regulation of any stock exchange on which the
Rights may from time to time be listed) or to conform to usage or to reflect
adjustments to the Rights made pursuant to this Agreement. Subject to the
provisions of Section 11 and Section 22, the initial Right Certificates,
whenever distributed, shall entitle the holders thereof to purchase such number
of one one-hundredths of a Preferred Share as shall be set forth therein at the
price per one one-hundredth of a Preferred Share set forth therein (the price
per one-hundredth of a Preferred Share being herein called the "Purchase
Price"), but the amount and type of securities purchasable upon the exercise of
each Right and the Purchase Price shall be subject to adjustment as provided in
this Agreement.

         Section 5. Countersignature and Registration.

         (a) The Right Certificates shall be executed on behalf of the Company
by any one of its Chairman of the Board, its Chief Executive Officer, its
President, its Chief Financial Officer or any of its Vice Presidents and shall
be attested by the Secretary or Assistant Secretary, either manually or by
facsimile signature. The Right Certificates shall be countersigned, either
manually or by facsimile signature, by the Rights Agent and shall not be valid
for any purpose unless so countersigned. In case any officer of the Company who
shall have signed any of the Right Certificates shall cease to be such officer
of the Company before countersignature by the

<PAGE>


Rights Agent and issuance and delivery by the Company, such Right Certificates,
nevertheless, may be countersigned by the Rights Agent and issued and delivered
by the Company with the same force and effect as though the person who signed
such Right Certificates had not ceased to be such officer of the Company; and
any Right Certificate may be signed on behalf of the Company by any person who,
at the actual date of the signing of such Right Certificate, shall be a proper
officer of the Company to sign such Right Certificate, although at the date of
the execution of this Rights Agreement any such person was not such an officer.

         (b) Following the Distribution Date, the Rights Agent will keep or
cause to be kept, at its principal office or the office or offices designated as
the appropriate place for surrender of Right Certificates upon exercise or
transfer, books for registration and transfer of the Right Certificates. Such
books shall show the names and addresses of the respective holders of the Right
Certificates, the number of Rights evidenced on its face by each of the Right
Certificates and the date of each of the Right Certificates.


         Section 6. Transfer, Split-Up, Combination and Exchange of Right
Certificates; Lost, Stolen, Destroyed or Mutilated Right Certificates

         (a) Subject to the provisions of Section 14, at any time after the
Close of Business on the Distribution Date, and at or prior to the Close of
Business on the earlier of the Redemption Date or the Final Expiration Date, any
Right Certificate or Right Certificates (other than Right Certificates
representing Rights that have become void pursuant to Section 11(a)(ii) or that
have been exchanged pursuant to Section 24) may be transferred, split up,
combined or exchanged for another Right Certificate or Right Certificates,
entitling the registered holder to purchase a like number of one one-hundredths
of a Preferred Share as the Right Certificate or Right Certificates surrendered
then entitled such holder (or former holder in the case of a transfer) to
purchase. Any registered holder desiring to transfer, split up, combine or
exchange any Right Certificate or Right Certificates shall make such request in
writing delivered to the Rights Agent, and shall surrender the Right Certificate
or Right Certificates to be transferred, split up, combined or exchanged at the
office or offices of the Rights Agent designated for such purpose. Thereupon the
Rights Agent shall, subject to Section 14, countersign and deliver to the Person
entitled thereto a Right Certificate or Right Certificates, as the case may be,
as so requested. The Company may require payment by the registered holder of a
sum sufficient to cover any tax or governmental charge that may be imposed in
connection with any transfer, split-up, combination or exchange of Right
Certificates. Neither the Rights Agent nor the Company shall be obligated to
take any action whatsoever with respect to the transfer of any such surrendered
Right Certificate until the registered holder shall have duly completed and
executed the form of assignment on the reverse side of such Right Certificate
and shall have provided such additional evidence of the identity of the
Beneficial Owner (or former Beneficial Owner) of such Right Certificate or
Affiliates or Associates thereof as the Company or the Rights Agent shall
reasonably request.

         (b) Upon receipt by the Company and the Rights Agent of evidence
reasonably satisfactory to them of the loss, theft, destruction or mutilation of
a Right Certificate, and, in case

<PAGE>


of loss, theft or destruction, of indemnity or security reasonably satisfactory
to them, and, at the Company's or the Rights Agent's request, reimbursement to
the Company and the Rights Agent of all reasonable expenses incidental thereto,
and upon surrender to the Rights Agent and cancellation of the Right Certificate
if mutilated, the Company will make and deliver a new Right Certificate of like
tenor to the Rights Agent for countersignature and delivery to the registered
owner in lieu of the Right Certificate so lost, stolen, destroyed or mutilated.

         Section 7. Exercise of Rights; Purchase Price; Expiration Date of
Rights

         (a) Subject to Section 11(a)(ii), the registered holder of any Right
Certificate may exercise the Rights evidenced thereby (except as otherwise
provided in this Agreement) in whole or in part at any time after the
Distribution Date upon surrender of the Right Certificate, with the form of
election to purchase on the reverse side thereof duly completed and executed, to
the Rights Agent at the office or offices of the Rights Agent designated for
such purpose, together with payment of the Purchase Price for each one
one-hundredth of a Preferred Share as to which the Rights are exercised, prior
to the earliest of (i) the Close of Business on August 15, 2007 (the "Final
Expiration Date"), (ii) the time at which the Rights are redeemed as provided in
Section 23 (the "Redemption Date"), or (iii) the time at which such Rights are
exchanged as provided in Section 24.

         (b) The Purchase Price for each one one-hundredth of a Preferred Share
purchasable pursuant to the exercise of a Right shall initially be $50, shall be
subject to adjustment from time to time as provided in Sections 11 and 13 and
shall be payable in lawful money of the United States of America in accordance
with paragraph (c) below.

         (c) Upon receipt of a Right Certificate representing exercisable
Rights, with the form of election to purchase duly completed and executed,
accompanied by payment of the Purchase Price for the shares to be purchased and
an amount equal to any applicable transfer tax required to be paid by the holder
of such Right Certificate in accordance with Section 9 in cash, or by certified
check or bank cashier's check or money order payable to the order of the
Company, the Rights Agent shall, subject to Section 20(k), thereupon promptly
(i) (A) requisition from any transfer agent of the Preferred Shares (or make
available, if the Rights Agent is the transfer agent for such shares)
certificates for the number of Preferred Shares to be purchased and the Company
hereby irrevocably authorizes its transfer agent to comply with all such
requests, or (B) if the Company shall have elected to deposit the total number
of Preferred Shares issuable upon exercise of the Rights under this Agreement
with a depositary agent, requisition from the depositary agent depositary
receipts representing such number of one one-hundredths of a Preferred Share as
are to be purchased (in which case certificates for the Preferred Shares
represented by such receipts shall be deposited by the transfer agent with the
depositary agent) and the Company hereby directs the depositary agent to comply
with such request, (ii) when appropriate, requisition from the Company the
amount of cash to be paid in lieu of issuance of fractional interests in shares
in accordance with Section 14, (iii) after receipt of such certificates or
depositary receipts, cause the same to be delivered to or upon the order of the
registered holder of such Right Certificate, registered in such

<PAGE>


name or names as may be designated by such holder and (iv) when appropriate,
after receipt, deliver such cash for fractional interests in shares to or upon
the order of the registered holder of such Right Certificate.

         (d) In case the registered holder of any Right Certificate shall
exercise less than all the Rights evidenced thereby, a new Right Certificate
evidencing Rights equivalent to the Rights remaining unexercised shall be issued
by the Rights Agent and delivered to the registered holder of such Right
Certificate or to such holder's duly authorized assigns, subject to the
provisions of Section 14 hereof.

         (e) Notwithstanding anything in this Agreement to the contrary, neither
the Rights Agent nor the Company shall be obligated to undertake any action with
respect to a registered holder upon the occurrence of any purported exercise as
set forth in this Section unless such registered holder shall have (i) duly
completed and executed the form of election to purchase set forth on the reverse
side of the Right Certificate surrendered for such exercise and (ii) provided
such additional evidence of the identity of the Beneficial Owner (or former
Beneficial Owner) of such Right Certificate or Affiliates or Associates thereof
as the Company shall reasonably request.

         Section 8. Cancellation and Destruction of Right Certificates. All
Right Certificates surrendered for the purpose of exercise, transfer, split-up,
combination or exchange shall, if surrendered to the Company or to any of its
agents, be delivered to the Rights Agent for cancellation or in canceled form,
or, if surrendered to the Rights Agent, shall be canceled by it, and no Right
Certificates shall be issued in lieu thereof except as expressly permitted by
any of the provisions of this Rights Agreement. The Company shall deliver to the
Rights Agent for cancellation and retirement, and the Rights Agent shall so
cancel and retire, any other Right Certificate purchased or acquired by the
Company otherwise than upon the exercise thereof. The Rights Agent shall deliver
all canceled Right Certificates to the Company.

         Section 9. Reservation and Availability of Preferred Shares.

         (a) The Company covenants and agrees that it will cause to be reserved
and kept available out of its authorized and unissued Preferred Shares or any
Preferred Shares held in its treasury, the number of Preferred Shares that will
be sufficient to permit the exercise in full of all outstanding Rights.

         (b) The Company will prepare and file, as soon as practicable following
expiration of the Company's right of redemption pursuant to Section 23, a
registration statement under the Securities Act of 1933, as amended (the "Act"),
with respect to the Rights and the Company's securities purchasable upon
exercise of the Rights on an appropriate form, and use its best efforts to cause
such registration statement to (i) become effective as soon as practicable after
such filing, and (ii) remain effective (with a prospectus at all times meeting
the requirements of the Act) until the earlier of (A) the date as of which the
Rights are no longer exercisable for such securities or (B) the Final Expiration
Date. The Company will also take such action as may be

<PAGE>


appropriate under, or to ensure compliance with, the securities or "blue sky"
laws of the various states in connection with the exercisability of the Rights.
The Company may temporarily suspend, for a period of time not to exceed 90 days
after the date the registration statement is filed, the exercisability of the
Rights in order to permit the registration statement to become effective. Upon
any such suspension, the Company shall issue a public announcement stating that
the exercisability of the Rights has been temporarily suspended, as well as a
public announcement at such time as the suspension is no longer in effect. The
Company will use its best efforts to qualify the distribution of the Rights to
Secure Computing Canada or as Secure Computing Canada directs and to qualify
securities purchasable upon exercise of such Rights and to qualify any first
trades in such securities under the securities laws of any provinces of Canada
where Secure Computing Canada directs. Such steps may include the filing of a
prospectus or obtaining discretionary relief, if appropriate. Notwithstanding
any provision of this Agreement to the contrary, the Rights shall not be
exercisable in any jurisdiction if the requisite qualification in such
jurisdiction shall not have been obtained or the exercise thereof is not
permitted under applicable law.

         (c) The Company covenants and agrees that it will take all such action
as may be necessary to ensure that all Preferred Shares delivered upon exercise
of Rights shall, at the time of delivery of the certificates for such Preferred
Shares (subject to payment of the Purchase Price and any applicable transfer
taxes), be duly and validly authorized and issued and fully paid and
nonassessable shares.

         (d) The Company further covenants and agrees that it will pay when due
and payable any and all federal and state transfer taxes and charges that may be
payable in respect of the issuance or delivery of the Right Certificates or of
any Preferred Shares upon the exercise of Rights. The Company shall not,
however, be required to pay any transfer tax that may be payable in respect of
any transfer or delivery of Right Certificates to a person other than, or the
issuance or delivery of certificates or depositary receipts for the Preferred
Shares in a name other than that of, the registered holder of the Right
Certificate evidencing Rights surrendered for exercise, or to issue or to
deliver any certificates or depositary receipts for Preferred Shares upon the
exercise of any Rights, until any such tax shall have been paid (any such tax
being payable by the holder of such Right Certificate at the time of surrender)
or until it has been established to the Company's satisfaction that no such tax
is due.

         Section 10. Preferred Shares Record Date. Each person in whose name any
certificate for Preferred Shares is issued upon the exercise of Rights shall for
all purposes be deemed to have become the holder of record of the Preferred
Shares represented thereby on, and such certificate shall be dated, the date
upon which the Right Certificate evidencing such Rights was duly surrendered and
payment of the Purchase Price (and any applicable transfer taxes) was made;
provided, however, that if the date of such surrender and payment is a date upon
which the Preferred Shares transfer books of the Company are closed, such person
shall be deemed to have become the record holder of such shares on, and such
certificate shall be dated, the next succeeding Business Day on which the
Preferred Shares transfer books of the Company are open. Prior to the exercise
of the Rights evidenced thereby, the holder of a Right Certificate as such shall

<PAGE>


not be entitled to any rights of a holder of Preferred Shares for which the
Rights shall be exercisable, including without limitation, the right to vote, to
receive dividends or other distributions or to exercise any preemptive rights,
and shall not be entitled to receive any notice of any proceedings of the
Company, except as provided herein.

         Section 11. Adjustment of Purchase Price, Number and Kind of Shares or
Number of Rights. The Purchase Price, the number and kind of shares covered by
each Right and the number of Rights outstanding are subject to adjustment from
time to time as provided in this Section 11.

                   (a)(i) In the event the Company shall at any time after the
date of this Agreement (A) declare a dividend on the Preferred Shares payable in
Preferred Shares, (B) subdivide the outstanding Preferred Shares, (C) combine
the outstanding Preferred Shares into a smaller number of Preferred Shares or
(D) issue any shares of its capital stock in a reclassification of the Preferred
Shares (including any such reclassification in connection with a consolidation
or merger in which the Company is the continuing, surviving or acquiring
corporation), except as otherwise provided in this Section 11(a), the Purchase
Price in effect at the time of the record date for such dividend or of the
effective date of such subdivision, combination or reclassification, and the
number and kind of shares of capital stock issuable on such date pursuant to the
exercise of the Rights, shall be proportionately adjusted so that the holder of
any Right exercised after such time shall be entitled to receive, upon payment
of the Purchase Price then in effect (and any applicable transfer taxes), the
aggregate number and kind of shares of capital stock which, if such Right had
been exercised immediately prior to such date and at a time when the Preferred
Shares transfer books of the Company were open, such holder would have owned
upon such exercise and been entitled to receive by virtue of such dividend,
subdivision, combination or reclassification; provided, however, that in no
event shall the consideration to be paid upon the exercise of one Right be less
than the aggregate par value of the shares of capital stock of the Company
issuable upon exercise of one Right. If an event occurs which would require an
adjustment under both Section 11(a)(i) and Section 11(a)(ii), the adjustment
provided for in this Section 11(a)(i) shall be in addition to, and shall be made
prior to, any adjustment required pursuant to Section 11(a)(ii).

                   (ii) Subject to Section 24 of this Agreement, in the event
any Person shall become an Acquiring Person (other than (A) pursuant to any
Section 13 Event occurring after the Distribution Date or within 15 days prior
thereto or (B) as a result of an acquisition of Common Shares of the Company
pursuant to a tender offer or an exchange offer for all outstanding Common
Shares of the Company and for all outstanding Exchangeable Shares held by
Persons other than the Company or a Subsidiary at a price (which shall be the
same per-share price for both the Common Shares and the Exchangeable Shares) and
on terms determined by the Board of Directors of the Company, at a time when a
majority of the directors then serving are Continuing Directors and after
receiving advice from one or more investment banking firms, to be (1) fair to
stockholders (taking into account all factors which the Board of Directors deems
relevant), and (2) otherwise in the best interests of the Company and its
stockholders and which the

<PAGE>


Board of Directors determines to recommend to the stockholders of the Company),
proper provision shall be made so that each holder of a Right, subject to
Section 11(a)(iii), shall thereafter have a right to receive, upon exercise
thereof by payment of the amount equal to the product of the number of one
one-hundredths of a Preferred Share which would otherwise be issuable upon
exercise of a Right and the then current Purchase Price in accordance with the
terms of this Agreement, in lieu of Preferred Shares, such number of Common
Shares of the Company as shall equal the result obtained by (x) multiplying the
then current Purchase Price by the number of one one-hundredths of a Preferred
Share for which a Right is exercisable immediately prior to the occurrence of
the Section 11(a)(ii) Event and (y) dividing that product by 50% of the current
per share market price of the Company's Common Shares (determined pursuant to
Section 11(d)) on the date of such occurrence.

          From and after the first occurrence of a Section 11(a)(ii) Event or a
Section 13 Event, any Rights that are beneficially owned by any Acquiring Person
(or any Associate or Affiliate thereof) or were beneficially owned by any
Acquiring Person (or any Associate or Affiliate thereof) after the Acquiring
Person became an Acquiring Person shall become null and void without any further
action and no holder of such Rights shall thereafter have any rights to exercise
such Rights or any other rights whatsoever with respect to such Rights, whether
under any provision of this Agreement or otherwise. No Right Certificate shall
be issued pursuant to Section 3 that represents Rights that would be void
pursuant to the preceding sentence; no Right Certificate shall be issued at any
time upon the transfer of any Rights to an Acquiring Person whose Rights would
be void pursuant to the preceding sentence or to any Associate or Affiliate of
such an Acquiring Person or to any nominee of such Acquiring Person, Associate
or Affiliate; and any Right Certificate delivered to the Rights Agent for
transfer to an Acquiring Person or any Associate or Affiliate of such an
Acquiring Person whose Rights would be void pursuant to the preceding sentence
shall be canceled. The Company shall use all reasonable efforts to insure that
the provisions of this Section 11(a)(ii) are complied with, but shall have no
liability to any holder of a Right Certificate or other Person as a result of
its failure in good faith to make any determinations with respect to an
Acquiring Person or its Affiliates or Associates.

                   (iii) If, on the date of the occurrence of a Section
11(a)(ii) Event (the "Adjustment Date"), the Company does not have sufficient
issued but not outstanding or reserved or authorized, unissued and unreserved
Common Shares available to permit the exercise in full of all Rights that are
exercisable on the Adjustment Date for the number of Common Shares per Right
provided for in Section 11(a)(ii), then the Exercise Price (as defined below)
and the number of Common Shares to be delivered by the Company upon exercise of
a Right shall be further adjusted as provided in this subparagraph (iii).

         (1)  Definitions:

                   (A) The "Aggregate Market Value" is the product of (i) the
number of Available Shares and (ii) the current per share market price of the
Common Shares on the Adjustment Date, determined as provided in Section 11(d).

<PAGE>


                   (B) The "Available Shares" are all unreserved Common Shares
which are authorized and unissued or issued but not outstanding immediately
prior to the Adjustment Date.

                   (C) The "Exercise Price" is the amount of the payment that
must be made by the holder of a Right in connection with the exercise of one
Right immediately prior to the Adjustment Date.

                   (D) The "Deficiency" is the amount by which (i) two times the
Exercise Price exceeds (ii) the quotient obtained by dividing the Aggregate
Market Value by the number of Rights remaining outstanding immediately prior to
the Adjustment Date (the "Remaining Rights") (which number shall not include the
Rights that are beneficially owned by any Acquiring Person (or any Associate or
Affiliate thereof) or were beneficially owned by any Acquiring Person (or any
Associate or Affiliate thereof) after the Acquiring Person became an Acquiring
Person that shall have become void pursuant to Section 11(a)(ii)).

         (2) If the Deficiency is less than or equal to the Exercise Price, then

                   (A) the number of Common Shares to be delivered by the
Company upon exercise of a Right shall be adjusted to be equal to the number of
Available Shares divided by the number of Remaining Rights; and

                   (B) the amount of cash required to be delivered by the holder
of a Right upon the exercise thereof shall be adjusted (the "New Exercise
Price") to equal the Exercise Price minus the Deficiency; provided, however,
that in no event will the New Exercise Price be less than the aggregate par
value of the Common Shares required to be delivered upon the exercise of one
Right pursuant to subparagraph (2)(A) above.

         (3) If the Deficiency is greater than the Exercise Price, then

                   (A) the number of Common Shares to be delivered by the
Company upon exercise of a Right shall be adjusted to equal the quotient
obtained by dividing the Exercise Price by the current per share market price of
the Common Shares on the Adjustment Date;

                   (B) the New Exercise Price shall equal the aggregate par
value of the Common Shares required to be delivered upon the exercise of one
Right pursuant to subparagraph (3)(A) above; and

                   (C) in lieu of issuing Common Shares (in whole or in part
upon the exercise of Rights) the Company may issue, upon the exercise of Rights
at the New Exercise Price, other equity securities of the Company (including,
without limitation, shares, or units or fractions of shares, of preferred stock
which the Board of Directors of the Company has determined to have

<PAGE>


substantially the same value, voting rights and other rights as Common Shares
(such equity securities are herein called "common share equivalents")). To the
extent that such common share equivalents (or fractions thereof) are substituted
for Common Shares upon exercise of the Rights following the occurrence of a
Section 11(a)(ii) Event, they shall be substituted on a pro-rata basis with
respect to all Rights (other than Rights that are beneficially owned by any
Acquiring Person (or any Associate or Affiliate thereof) or were beneficially
owned by any Acquiring Person (or any Associate or Affiliate thereof) after the
Acquiring Person became an Acquiring Person that shall have become void pursuant
to Section 11(a)(ii)). Such common share equivalents shall not be included in
Available Shares, and all of the Available Shares shall be reserved, as of the
Adjustment Date, for issuance, on a pro-rata basis, upon exercise of the Rights
and may not be substituted for with common share equivalents upon the exercise
of any Right except to the extent that the number of Common Shares required to
be delivered under subparagraph (3)(A) upon the exercise of such Right exceeds
the quotient of the number of Available Shares divided by the number of
Remaining Rights.

         (4) If, at the time any adjustment is required pursuant to this Section
11(a)(iii), the Common Shares shall have no par value, then for the purposes of
this Section 11(a)(iii), the par value of the Common Shares shall be deemed to
be $.01 per share.

         (5) In the event that there shall not be sufficient issued but not
outstanding or reserved or authorized but unissued and unreserved Common Shares
(or common share equivalents the issuance of which is permitted under Section
11(a)(iii)(3)(C)) to permit the exercise in full of the Rights in accordance
with this subparagraph (iii), the Company shall use its best efforts to cause
the authorization of sufficient additional Common Shares or common share
equivalents to permit such exercise and, if the Board of Directors of the
Company shall determine in good faith that it is likely that sufficient
additional Common Shares or common share equivalents could be authorized to
permit such exercise, the Company may suspend the exercisability of the Rights
for a period not to exceed 90 days in order to seek any authorization of
additional Common Shares or other common share equivalents. In the event of any
such suspension, the Company shall issue a public announcement stating that the
exercisability of the Rights has been temporarily suspended, as well as a public
announcement at such time as the suspension is no longer in effect.

         (b) In case the Company shall fix a record date for the issuance of
rights, options or warrants to all holders of Preferred Shares entitling them
(for a period expiring within 45 calendar days after such record date) to
subscribe for or purchase Preferred Shares (or shares having the same rights,
privileges and preferences as the Preferred Shares ("equivalent preferred
shares")) or securities convertible into Preferred Shares or equivalent
preferred shares at a price per Preferred Share or equivalent preferred share
(or having a conversion price per share, if a security convertible into
Preferred Shares or equivalent preferred shares) less than the current per share
market price of the Preferred Shares (as determined pursuant to Section 11(d))
on such record date, the Purchase Price to be in effect after such record date
shall be determined by multiplying the Purchase Price in effect immediately
prior to such record date by a fraction, the numerator of 

<PAGE>


which shall be the number of Preferred Shares outstanding on such record date,
plus the number of Preferred Shares which the aggregate offering price of the
total number of Preferred Shares and/or equivalent preferred shares so to be
offered (and/or the aggregate initial conversion price of the convertible
securities so to be offered) would purchase, at such current per share market
price, and the denominator of which shall be the number of Preferred Shares
outstanding on such record date, plus the number of additional Preferred Shares
and/or equivalent preferred shares to be offered for subscription or purchase
(or into which the convertible securities so to be offered are initially
convertible); provided, however, that in no event shall the consideration to be
paid upon the exercise of one Right be less than the aggregate par value of the
shares of capital stock of the Company issuable upon exercise of one Right. In
case such subscription price may be paid in a consideration part or all of which
shall be in a form other than cash, the value of such consideration shall be as
determined in good faith by the Board of Directors of the Company, whose
determination shall be described in a statement filed with the Rights Agent and
shall be binding on the Rights Agent and the holders of the Rights. Preferred
Shares owned by or held for the account of the Company shall not be deemed
outstanding for the purpose of any such computation. Such adjustment shall be
made successively whenever such a record date is fixed; and in the event that
such rights, options or warrants are not so issued, the Purchase Price shall
again be adjusted to be the Purchase Price which would then be in effect if such
record date had not been fixed.

         (c) In case the Company shall fix a record date for the making of a
distribution to all holders of the Preferred Shares (including any such
distribution made in connection with a consolidation or merger in which the
Company is the continuing or surviving corporation) of evidences of indebtedness
or cash or non-cash assets (other than a regular quarterly cash dividend or a
dividend payable in Preferred Shares) or subscription rights or warrants
(excluding those referred to in Section 11(b)), the Purchase Price to be in
effect after such record date shall be determined by multiplying the Purchase
Price in effect immediately prior to such record date by a fraction, the
numerator of which shall be the then current per share market price of the
Preferred Shares (as determined pursuant to Section 11(d)) on such record date,
less the fair market value (as determined in good faith by the Board of
Directors of the Company, whose determination shall be described in a statement
filed with the Rights Agent and shall be binding on the Rights Agent and the
holders of the Rights) of the portion of the evidences of indebtedness or cash
or non-cash assets so to be distributed on, or of such subscription rights or
warrants applicable to, one Preferred Share, and the denominator of which shall
be such then current per share market price of the Preferred Shares; provided,
however, that in no event shall the consideration to be paid upon the exercise
of one Right be less than the aggregate par value of the shares of capital stock
of the Company to be issued upon exercise of one Right. Such adjustments shall
be made successively whenever such a record date is fixed; and in the event that
such distribution is not so made, the Purchase Price shall again be adjusted to
be the Purchase Price that would then be in effect if such record date had not
been fixed.

          (d)(i) For the purpose of any computation hereunder, the "current per
share market price" of any security (a "Security" for the purpose of this
Section 11(d)(i)) on any 

<PAGE>


date shall be deemed to be the average of the daily closing prices per share of
such Security for the 30 consecutive Trading Days (as such term is hereinafter
defined) immediately prior to such date; provided, however, that in the event
that the current per share market price of the Security is determined during a
period following the announcement by the issuer of such Security of (A) a
dividend or distribution on such Security payable in such Security or securities
convertible into such Security (other than the Rights) or (B) any subdivision,
combination or reclassification of such Security, and prior to the expiration of
30 Trading Days after the ex-dividend date for such dividend or distribution, or
the record date for such subdivision, combination or reclassification, then, and
in each such case, the current per share market price shall be appropriately
adjusted to reflect the current market price per share equivalent of such
Security. The closing price for each day shall be the last sale price, regular
way, or, in case no such sale takes place on such day, the average of the
closing bid and asked prices, regular way, in either case as reported in the
principal consolidated transaction reporting system with respect to securities
listed or admitted to trading on the New York Stock Exchange or, if the Security
is not listed or admitted to trading on the New York Stock Exchange, as reported
in the principal consolidated transaction reporting system with respect to
securities listed on the principal national securities exchange on which the
Security is listed or admitted to trading or, if the Security is not listed or
admitted to trading on any national securities exchange, the last quoted price
or, if not so quoted, the average of the high bid and low asked prices in the
over-the-counter market, as reported on the Nasdaq National Market or the
National SmallCap Market or such other system then in use, or, if on any such
day the Security is not so quoted or reported, the average of the closing bid
and asked prices as furnished by a professional market maker making a market in
the Security selected by the Board of Directors of the Company. Except as
provided in Section 11(d)(ii) with respect to Preferred Shares, if on any such
day the Security is not publicly held or no professional market maker is making
a market in the Security, the fair value of such Security on such day as
determined in good faith by the Board of Directors of the Company (whose
determination shall be described in a statement filed with the Rights Agent and
shall be binding on the Rights Agent and the holders of the Rights) shall be
used in lieu of the closing price for such day. The term "Trading Day" shall
mean a day on which the principal national securities exchange on which the
Security is listed or admitted to trading is open for the transaction of
business or, if the Security is not listed or admitted to trading on any
national securities exchange, a Business Day.

                   (ii) If the Preferred Shares are not publicly held or traded
in a manner described in Section 11(d)(i), then, notwithstanding anything to the
contrary provided in Section 11(d)(i), the "current per share market price" of
the Preferred Shares shall be conclusively deemed to be the current per share
market price of the Common Shares as determined pursuant to Section 11(d)(i)
(appropriately adjusted to reflect any stock split, stock dividend or similar
transaction occurring after the date of this Agreement) multiplied by one
hundred. If neither the Common Shares nor the Preferred Shares are publicly held
or so traded, the "current per share market price" of the Preferred Shares shall
mean the fair value per share as determined in good faith by the Board of
Directors of the Company, whose determination shall be described in a statement
filed with the Rights Agent and shall be binding on the Rights Agent and the
holders of the Rights.

<PAGE>


         (e) Except as provided in the third sentence of this Section 11(e), no
adjustment in the Purchase Price shall be required unless such adjustment would
require an increase or decrease of at least 1% in the Purchase Price; provided,
however, that any adjustments which by reason of this Section 11(e) are not
required to be made shall be carried forward and taken into account in any
subsequent adjustment. All calculations under this Section 11 shall be made to
the nearest cent or to the nearest one one-millionth of a Preferred Share or one
ten-thousandth of any other share or security, as the case may be.
Notwithstanding the first sentence of this Section 11(e), any adjustment
required by this Section 11, but for the first sentence of this Section 11(e),
shall be made no later than the earlier of (i) three years from the date of the
transaction that requires such adjustment or (ii) the Final Expiration Date.

         (f) If as a result of an adjustment made pursuant to Section 11(a) or
Section 13(a), the holder of any Right thereafter exercised shall become
entitled to receive any shares of capital stock other than Preferred Shares,
thereafter the number of such other shares so receivable upon exercise of any
Right shall be subject to adjustment from time to time in a manner and on terms
as nearly equivalent as practicable to the provisions with respect to the
Preferred Shares contained in Section 11(a) through (c), inclusive and the
provisions of Sections 7, 9, 10, 13 and 14 with respect to the Preferred Shares
shall apply on like terms to any such other shares.

         (g) All Rights originally issued by the Company subsequent to any
adjustment made to the Purchase Price under this Agreement shall evidence the
right to purchase, at the adjusted Purchase Price, the number of one
one-hundredths of a Preferred Share (or other securities) purchasable from time
to time under this Agreement upon exercise of the Rights, all subject to further
adjustment as provided in this Agreement.

         (h) Unless the Company shall have exercised its election as provided in
Section 11(i), upon each adjustment of the Purchase Price as a result of the
calculations made in Section 11(b) and (c), each Right outstanding immediately
prior to the making of such adjustment shall thereafter evidence the right to
purchase, at the adjusted Purchase Price, that number of one one-hundredths of a
Preferred Share (calculated to the nearest one one-millionth of a Preferred
Share) obtained by (i) multiplying (x) the number of one one-hundredths of a
share covered by a Right immediately prior to this adjustment by (y) the
Purchase Price in effect immediately prior to such adjustment of the Purchase
Price and (ii) dividing the product so obtained by the Purchase Price in effect
immediately after such adjustment of the Purchase Price.

         (i) The Company may elect on or after the date of any adjustment of the
Purchase Price to adjust the number of Rights, in substitution for any
adjustment in the number of one one-hundredths of a Preferred Share purchasable
upon the exercise of a Right. Each of the Rights outstanding after such
adjustment of the number of Rights shall be exercisable for the number of one
one-hundredths of a Preferred Share for which a Right was exercisable
immediately prior to such adjustment. Each Right held of record prior to such
adjustment of the number of Rights shall become that number of Rights
(calculated to the nearest one 

<PAGE>


ten-thousandth) obtained by dividing the Purchase Price in effect immediately
prior to adjustment of the Purchase Price by the Purchase Price in effect
immediately after adjustment of the Purchase Price. The Company shall make a
public announcement of its election to adjust the number of Rights, indicating
the record date for the adjustment, and, if known at the time, the amount of the
adjustment to be made. This record date may be the date on which the Purchase
Price is adjusted or any day thereafter, but, if the Right Certificates have
been issued on or after the Distribution Date, shall be at least 10 days later
than the date of the public announcement. If Right Certificates have been issued
on or after the Distribution Date, upon each adjustment of the number of Rights
pursuant to this Section 11(i), the Company shall, as promptly as practicable,
cause to be distributed to holders of record of Right Certificates on such
record date Right Certificates evidencing, subject to Section 14, the additional
Rights to which such holders shall be entitled as a result of such adjustment,
or, at the option of the Company, shall cause to be distributed to such holders
of record in substitution and replacement for the Right Certificates held by
such holders prior to the date of adjustment, and upon surrender thereof, if
required by the Company, new Right Certificates evidencing all the Rights to
which such holders shall be entitled after such adjustment. Right Certificates
so to be distributed shall be issued, executed and countersigned in the manner
provided for in this Agreement, shall bear the adjusted Purchase Price, and
shall be registered in the names of the holders of record of Right Certificates
on the record date specified in the public announcement.

         (j) Irrespective of any adjustment or change in the Purchase Price or
the number of one one-hundredths of a Preferred Share issuable upon the exercise
of the Rights, the Right Certificates theretofore issued may continue to express
the Purchase Price and the number of one one-hundredths of a Preferred Share
which were expressed at the time of the issuance of such Right Certificates
under this Agreement.

         (k) Before taking any actions that would cause an adjustment reducing
the Purchase Price below one one-hundredth of the then par value, if any, of the
Preferred Shares issuable upon exercise of the Rights, the Company shall take
any corporate action which may, in the opinion of its counsel, be necessary in
order that the Company may validly and legally issue fully paid and
nonassessable Preferred Shares at such adjusted Purchase Price.

         (l) In any case in which this Section 11 shall require that an
adjustment in the Purchase Price be made effective as of a record date for a
specified event, the Company may elect to defer until the occurrence of such
event the issuing to the holder of any Right exercised after such record date of
the Preferred Shares and other capital stock or securities of the Company, if
any, issuable upon such exercise over and above the Preferred Shares and other
capital stock or securities of the Company, if any, issuable upon such exercise
on the basis of the Purchase Price in effect prior to such adjustment; provided,
however, that the Company shall deliver to such holder a due bill or other
appropriate instrument evidencing such holder's right to receive such additional
shares upon the occurrence of the event requiring such adjustment.

<PAGE>


         (m) Anything in this Section 11 to the contrary notwithstanding, the
Company shall be entitled to make such reductions in the Purchase Price, in
addition to those adjustments expressly required by this Section 11, as and to
the extent that the Board of Directors of the Company shall determine to be
advisable in order that any (i) consolidation or subdivision of the Preferred
Shares, (ii) issuance wholly for cash of any of the Preferred Shares at less
than the current per share market price, (iii) issuance wholly for cash of
Preferred Shares or securities which by their terms are convertible into or
exchangeable for Preferred Shares, (iv) dividends on Preferred Shares payable in
Preferred Shares or (v) issuance of rights, options or warrants referred to in
Section 11(b), hereafter made by the Company to holders of its Preferred Shares
shall not be taxable to such stockholders.

         (n) Anything in this Agreement or the Rights to the contrary
notwithstanding, in the event that at any time after the date of this Agreement
and prior to the Distribution Date, the Company shall (i) declare or pay any
dividend on the Common Shares payable in Common Shares or (ii) effect a
subdivision, combination or consolidation of the Common Shares (by
reclassification or otherwise) into a greater or lesser number of Common Shares,
then in any such case (x) the number of one one-hundredths of a Preferred Share
purchasable after such event upon proper exercise of each Right shall be
determined by multiplying the number of one one-hundredths of a Preferred Share
so purchasable immediately prior to such event by a fraction, the numerator of
which is the number of Common Shares and Exchangeable Shares outstanding
immediately before such event and the denominator of which is the number of
Common Shares and Exchangeable Shares outstanding immediately after such event,
(y) each Common Share outstanding immediately after such event shall have issued
with respect to it that number of Rights which each Common Share outstanding
immediately prior to such event had issued with respect to it, and (z) the
Company shall issue to the Trustee with respect to each Exchangeable Share
outstanding immediately after such event that number of Rights held by the
Trustee associated with each Exchangeable Share outstanding immediately prior to
such event. The adjustments provided for in this Section 11(n) shall be made
successively whenever such a dividend is declared or paid or such a subdivision,
combination or consolidation is effected. If an event occurs which would require
an adjustment under Section 11(a)(ii) and this Section 11(n), the adjustments
provided for in this Section 11(n) shall be in addition and prior to any
adjustment required pursuant to Section 11(a)(ii).

         (o) If any adjustment in the Purchase Price pursuant to paragraph (b)
or (c) of this Section 11 would not be permitted by law, under the Company's
Certificate of Incorporation or under the Certificate of Powers, Designations,
Preferences and Rights establishing the Preferred Shares, no such issuance of
securities or distribution of evidences of indebtedness or other assets or
subscription rights or warrants, as the case may be, that would require such an
adjustment but for the limitations established by law, the Company's Certificate
of Incorporation or such Certificate of Powers, Designations, Preferences and
Rights shall be made by the Company.

         Section 12. Certificate of Adjusted Purchase Price or Number of Shares.
Whenever an adjustment is made as provided in Sections 11 and 13, the Company
shall (a)

<PAGE>


promptly prepare a certificate setting forth such adjustment and a brief
statement of the facts accounting for such adjustment, (b) promptly file with
the Rights Agent and with each transfer agent for the Common Shares or the
Preferred Shares a copy of such certificate and (c) if such adjustment is made
after the Distribution Date, mail a brief summary thereof to each holder of
record of a Right Certificate, in accordance with Section 25. The Rights Agent
shall be fully protected in relying on such certificate and on any adjustment
therein contained.

         Section 13. Consolidation, Merger, Sale or Transfer of Assets or
Earning Power.

         (a) In the event, after the Distribution Date or within 15 days prior
thereto, directly or indirectly,

                   (w) the Company shall consolidate with, or merge with and
into, any other Person, and the Company shall not be the continuing or surviving
corporation of such consolidation or merger,

                   (x) any Person shall consolidate with the Company, or merge
with and into the Company and the Company shall be the continuing or surviving
corporation of such consolidation or merger and, in connection with such
consolidation or merger, all or part of the outstanding Common Shares of the
Company held by existing stockholders of the Company shall be changed into or
exchanged for stock or other securities of any other Person (or the Company) or
money or any other property (except as a result of the exercise of statutory
dissenters' rights), or

                   (y) the Company shall sell or otherwise transfer (or one or
more of its Subsidiaries shall sell or otherwise transfer), in one or a series
of related transactions, assets or earning power aggregating 50% or more of the
assets or earning power of the Company and its Subsidiaries (taken as a whole)
to any other Person or Persons (other than the Company or one or more of its
wholly-owned Subsidiaries),

then, and in each such case (except as may be contemplated by Section 13(e)),
proper provision shall be made so that (i) each holder of a Right (except as
otherwise provided herein) shall thereafter have the right to receive, upon the
exercise thereof (in accordance with Section 7) by payment of the amount equal
to the product of the number of one one-hundredths of a Preferred Share which
would otherwise be issuable upon exercise of a Right and the then current
Purchase Price in accordance with the terms of this Agreement and in lieu of
Preferred Shares, such number of validly authorized and issued, fully paid,
nonassessable and freely tradable Common Shares of the Principal Party (as
hereinafter defined), not subject to any liens, encumbrances, rights of first
refusal or adverse claims, as shall be equal to the result obtained by (x)
multiplying the then current Purchase Price by the number of one one-hundredths
of a Preferred Share for which a Right is, immediately prior to the occurrence
of the Section 13 Event, exercisable and (y) dividing that product by 50% of the
then current per share market price of the Common Shares of such Principal Party
(determined pursuant to Section 11(d)) on the date of consummation of such
Section 13

<PAGE>


Event; (ii) such Principal Party shall thereafter be liable for, and shall
assume, by virtue of such merger, consolidation, sale or transfer, all the
obligations and duties of the Company pursuant to this Agreement; (iii) the term
"Company" shall thereafter be deemed to refer to such Principal Party; and (iv)
such Principal Party shall take such steps (including, but not limited to, the
reservation of a sufficient number of its Common Shares to permit the exercise
of all outstanding Rights) in connection with the consummation of any such
transaction as may be necessary to assure that the provisions hereof shall
thereafter be applicable, as nearly as reasonably may be, in relation to its
Common Shares thereafter deliverable upon the exercise of the Rights.

         (b) "Principal Party" shall mean:

                   (i) in the case of any transaction described in clauses (w)
or (x) of the first sentence of Section 13(a), the Person (including, without
limitation, the Company as successor thereto or as the surviving corporation)
that is the issuer of any securities into which Common Shares of the Company are
converted in such merger or consolidation, or if no securities are so issued,
the Person that is the other party to such merger or consolidation; and

                   (ii) in the case of any transaction described in clause (y)
of the first sentence of Section 13(a), the Person that is the party receiving
the greatest portion of the assets or earning power transferred pursuant to such
transaction or transactions;

provided, however, that in any such case, (1) if the Common Shares of such
Person are not at such time or have not been continuously over the preceding
12-month period registered under Section 12 of the Exchange Act, and such Person
is a direct or indirect Subsidiary of another Person the Common Shares of which
are and have been so registered, "Principal Party" shall refer to such other
Person, and (2) in case such Person is a Subsidiary, directly or indirectly, of
more than one Person, the Common Shares of two or more of which are and have
been so registered, "Principal Party" shall refer to whichever of such Persons
is the issuer of the Common Shares having the greatest aggregate market value.

         (c) The Company shall not consummate any Section 13 Event unless the
Principal Party shall have a sufficient number of authorized, unreserved Common
Shares which have not been issued or are held in treasury to permit the exercise
in full of the Rights in accordance with this Section 13 and unless prior
thereto the Company and such Principal Party shall have executed and delivered
to the Rights Agent a supplemental agreement providing for the terms set forth
in paragraphs (a) and (b) of this Section 13 and further providing that, as soon
as practicable after the date of any Section 13 Event, the Principal Party will:

                   (i) prepare and file a registration statement under the Act,
with respect to the Rights and the securities purchasable upon exercise of the
Rights, on an appropriate form, and use its best efforts to cause such
registration statement to (A) become effective as soon as practicable after such
filing and (B) remain effective (with a prospectus at all times meeting the

<PAGE>


requirements of the Act) until the earlier of (1) the date as of which the
Rights are no longer exercisable for such securities or (2) the Final Expiration
Date;

                   (ii)take such action as may be appropriate under, or to
ensure compliance with, the securities or "blue sky" laws of the various states
in the United States and provinces in Canada in connection with the
exercisability of the Rights; and

                   (iii) deliver to holders of the Rights historical financial
statements for the Principal Party and each of its Affiliates which comply in
all respects with the requirements for registration on Form 10 under the
Exchange Act.

         (d) The Company shall not enter into any transaction of the kind
referred to in this Section 13 if at the time of such transaction there are any
rights, warrants, instruments or securities outstanding or any agreements or
arrangements which, as a result of the consummation of such transaction, would
eliminate or substantially diminish the benefits intended to be afforded by the
Rights.

         (e) Notwithstanding anything in this Agreement to the contrary, Section
13 shall not be applicable to a transaction described in subparagraphs (w) or
(x) of Section 13(a) if (i) such transaction is consummated with a Person or
Persons who acquired Common Shares pursuant to a tender offer or exchange offer
for all outstanding Common Shares and Exchangeable Shares which complies with
the provisions of clause (B) of Section 11(a)(ii) (or a wholly owned Subsidiary
of any such Person or Persons), (ii) the price per Common Share and Exchangeable
Share offered in such transaction is not less than the price per Common Share
paid to all holders of Common Shares and Exchangeable Shares whose shares were
purchased pursuant to such tender offer or exchange offer and (iii) the form of
consideration being offered to the remaining holders of Common Shares and
Exchangeable Shares pursuant to such transaction is the same as the form of
consideration paid pursuant to such tender offer or exchange offer. Upon
consummation of any such transaction contemplated by this Section 13(e), all
Rights hereunder shall expire.

         The provisions of this Section 13 shall similarly apply to successive
mergers, consolidations, or sales or other transfers.

         Section 14. Fractional Rights and Fractional Shares.

         (a) The Company shall not be required to issue fractions of Rights or
to distribute Right Certificates which evidence fractional Rights. In lieu of
such fractional Rights, there may be paid to the registered holders of the Right
Certificates with regard to which such fractional Rights would otherwise be
issuable an amount in cash equal to the same fraction of the current market
value of a whole Right. For the purposes of this Section 14(a), the current
market value of a whole Right shall be the closing price of the Rights for the
Trading Day immediately prior to the date on which such fractional Rights would
have been otherwise issuable. The closing price for any day shall be the last
sale price, regular way, or, in case no such sale takes place on

<PAGE>


such day, the average of the closing bid and asked prices, regular way, in
either case as reported in the principal consolidated transaction reporting
system with respect to securities listed or admitted to trading on the New York
Stock Exchange or, if the Rights are not listed or admitted to trading on the
New York Stock Exchange, as reported in the principal consolidated transaction
reporting system with respect to securities listed on the principal national
securities exchange on which the Rights are listed or admitted to trading or, if
the Rights are not listed or admitted to trading on any national securities
exchange, the last quoted price or, if not so quoted, the average of the high
bid and low asked prices in the over-the-counter market, as reported on the
Nasdaq National Market or the National SmallCap Market or such other system then
in use or, if on any such date the Rights are not so quoted or reported, the
average of the closing bid and asked prices as furnished by a professional
market maker making a market in the Rights selected by the Board of Directors of
the Company. If on any such date no such market maker is making a market in the
Rights, the fair value of the Rights on such date as determined in good faith by
the Board of Directors of the Company shall be used in lieu of the closing price
for such day.

         (b) The Company shall not be required to issue fractions of Preferred
Shares (other than fractions that are integral multiples of one one-hundredth of
a Preferred Share, or, if a Right shall then be exercisable for a fraction other
than one one-hundredth of a Preferred Share, integral multiples of that
fraction) upon exercise of the Rights or to distribute certificates which
evidence fractions of Preferred Shares (other than fractions that are integral
multiples of one one-hundredth of a Preferred Share or, if a Right shall then be
exercisable for a fraction other than one one-hundredth of a Preferred Share,
integral multiples of that fraction). Fractions of Preferred Shares in integral
multiples of one one-hundredth of a Preferred Share or, if a Right shall then be
exercisable for a fraction other than one one-hundredth of a Preferred Share,
integral multiples of that fraction may, at the election of the Company, be
evidenced by depositary receipts pursuant to an appropriate agreement between
the Company and a depositary selected by it, provided, that such agreement shall
provide that the holders of such depositary receipts shall have all the rights,
privileges and preferences to which they are entitled as beneficial owners of
the Preferred Shares represented by such depositary receipts. In lieu of
fractional Preferred Shares that are not integral multiples of one one-hundredth
of a Preferred Share, or, if a Right shall then be exercisable for a fraction
other than one one-hundredth of a Preferred Share, integral multiples of that
fraction, the Company may pay to the registered holders of Right Certificates at
the time such Rights are exercised as herein provided an amount in cash equal to
the same fraction of the current market value of one Preferred Share. For
purposes of this Section 14(b), the current market value of a Preferred Share
shall be the closing price of a Preferred Share (as determined pursuant to
Section 11(d)(ii)) for the Trading Day immediately prior to the date of such
exercise.

         (c) The holder of a Right by the acceptance of the Rights expressly
waives such holder's right to receive any fractional Rights or any fractional
shares (except as provided above) upon exercise of a Right.

         Section 15. Rights of Action. All rights of action in respect of this
Agreement, except the rights of action given to the Rights Agent under Section
18, are vested in the respective 

<PAGE>


registered holders of the Right Certificates (and, prior to the Distribution
Date, the registered holders of the Common Shares, the Trustee and Secure
Computing Canada); and any registered holder of any Right Certificate (or, prior
to the Distribution Date, the registered holder of any Common Share, or the
Trustee or Secure Computing Canada), without the consent of the Rights Agent or
of the holder of any other Right Certificate (or, prior to the Distribution
Date, the registered holder of any Common Share, or the Trustee or Secure
Computing Canada), may, in such holder's or the Trustee's own behalf and for
such holder's or the Trustee's own benefit, enforce, and may institute and
maintain any suit, action or proceeding against the Company to enforce, or
otherwise act in respect of, such holder's or the Trustee's right to exercise
the Rights evidenced by such Right Certificate (or, prior to the Distribution
Date, the associated Common Shares certificate or on the books and records of
Secure Computing Canada) in the manner provided in such Right Certificate and in
this Agreement. Without limiting the foregoing or any remedies available to the
holders of Rights or the Trustee, it is specifically acknowledged that the
holders of Rights would not have an adequate remedy at law for any breach of
this Agreement and will be entitled to specific performance of the obligations
under, and injunctive relief against actual or threatened violations of the
obligations of any Person subject to, this Agreement.

         Section 16. Agreement of Right Holders. Every holder of a Right, by
accepting the same, consents and agrees with the Company and the Rights Agent
and with every other holder of a Right that:

         (a) prior to the Distribution Date, the Rights will be transferable
only in connection with the transfer of the Common Shares or in the case of
Rights held by the Trustee for the benefit of Secure Computing Canada, at the
direction of Secure Computing Canada;

         (b) after the Distribution Date, the Right Certificates are
transferable only on the registry books of the Rights Agent if surrendered at
the office or offices of the Rights Agent designated for such purposes, duly
endorsed or accompanied by a proper instrument of transfer;

         (c) the Company and the Rights Agent may deem and treat the person in
whose name the Right Certificate is registered as the absolute owner thereof and
of the Rights evidenced thereby (notwithstanding any notations of ownership or
writing on the Right Certificate or the associated Common Shares certificate or
any Exchangeable Shares certificate made by anyone other than the Company or the
Rights Agent) for all purposes whatsoever, and neither the Company nor the
Rights Agent shall be affected by any notice to the contrary;

         (d) the Company may issue Rights after the Record Date as provided in
this Agreement; and

         (e) notwithstanding anything in this Agreement or the Rights to the
contrary, the Company, the Rights Agent, the Trustee and the Board of Directors
of the Company shall not have any liability to any holder of a Right, Secure
Computing Canada, or other Person as a result of the inability of the Company,
the Rights Agent or the Trustee to perform any of its obligations

<PAGE>


under this Agreement by reason of any preliminary or permanent injunction or
other order, decree or ruling issued by a court of competent jurisdiction or by
a governmental, regulatory or administrative agency or commission, or any
statute, rule, regulation or executive order promulgated or enacted by any
governmental authority prohibiting or otherwise restraining performance of such
obligation.

         Section 17. Right Certificate Holder Not Deemed a Stockholder. Neither
the Trustee nor any holder, as such, of any Right Certificate shall be entitled
to vote, receive dividends or be deemed for any purpose the holder of the
Preferred Shares or any other securities of the Company which may at any time be
issuable on the exercise of the Rights represented thereby, nor shall anything
contained in this Agreement or in any Right Certificate be construed to confer
upon the holder of any Right Certificate, as such, any of the rights of a
stockholder of the Company or any right to vote for the election of directors or
upon any matter submitted to stockholders at any meeting thereof, or to give or
withhold consent to any corporate action, or to receive notice of meetings or
other actions affecting stockholders (except as provided in Section 25), or to
receive dividends or subscription rights, or otherwise, until the Right or
Rights evidenced by such Right Certificate shall have been exercised in
accordance with the provisions of this Agreement.

         Section 18. Concerning the Rights Agent and the Trustee.

         (a) The Company agrees to pay to the Rights Agent and the Trustee
reasonable compensation for all services rendered by them under this Agreement
and, from time to time, on demand of the Rights Agent or the Trustee, their
reasonable expenses and counsel fees and other disbursements incurred in the
administration and execution of this Agreement and the exercise and performance
of their duties under this Agreement. The Company also agrees to indemnify the
Rights Agent and the Trustee for, and to hold them harmless against, any loss,
liability or expense (including the costs and expenses of defending against any
claim of liability), incurred without negligence, bad faith or willful
misconduct on the part of the Rights Agent or the Trustee, for anything done or
omitted by the Rights Agent or the Trustee in connection with the acceptance and
administration of this Agreement and the exercise and performance of their
duties under this Agreement.

         (b) Each of the Trustee and the Rights Agent may conclusively rely upon
and shall be protected and shall incur no liability for, or in respect of any
action taken, suffered or omitted by it in connection with, its administration
of this Agreement in reliance upon any Right Certificate or certificate for the
Preferred Shares or Common Shares or for other securities of the Company,
instrument of assignment or transfer, power of attorney, endorsement, affidavit,
letter, notice, direction, consent, certificate, statement, or other paper or
document believed by it to be genuine and to be signed, executed and, where
necessary, verified or acknowledged, by the proper person or persons, or
otherwise upon the advice of its counsel as set forth in Section 20.

<PAGE>


         Section 19. Merger or Consolidation or Change of Name of Rights Agent
or Trustee.

         (a) Any corporation into which the Rights Agent or any successor Rights
Agent or the Trustee or any successor Trustee may be merged or with which it may
be consolidated, or any corporation resulting from any merger or consolidation
to which the Rights Agent or any successor Rights Agent or the Trustee or any
successor Trustee shall be a party, or any corporation succeeding to the
corporate trust or stock transfer business of the Rights Agent or any successor
Rights Agent or to the trust business of the Trustee or any successor Trustee,
shall be the successor to the Rights Agent or the Trustee, as the case may be,
under this Agreement without the execution or filing of any paper or any further
act on the part of any of the parties to this Agreement; provided, however, that
such corporation would be eligible for appointment as a successor Rights Agent
or successor Trustee under the provisions of Section 21. If at the time such
successor Rights Agent shall succeed to the agency created by this Agreement,
any of the Right Certificates shall have been countersigned but not delivered,
any such successor Rights Agent may adopt the countersignature of the
predecessor Rights Agent and deliver such Right Certificates so countersigned;
and in case at that time any of the Right Certificates shall not have been
countersigned, any successor Rights Agent may countersign such Right
Certificates either in the name of the predecessor Rights Agent or in the name
of the successor Rights Agent; and in all such cases such Right Certificates
shall have the full force provided in the Right Certificates and in this
Agreement.

         (b) In case at any time the name of the Rights Agent shall be changed
and at such time any of the Right Certificates shall have been countersigned but
not delivered, the Rights Agent may adopt the countersignature under its prior
name and deliver Right Certificates so countersigned; and in case at that time
any of the Right Certificates shall not have been countersigned, the Rights
Agent may countersign such Right Certificates either in its prior name or in its
changed name; and in all such cases such Right Certificates shall have the full
force provided in the Right Certificates and in this Agreement.

         Section 20. Duties of Rights Agent and Trustee. The Rights Agent and
Trustee undertake the duties and obligations imposed by this Agreement upon the
following terms and conditions, by all of which the Company and the holders of
Right Certificates (or, prior to the Distribution Date, holders of the Common
Shares certificates and Secure Computing Canada), by their acceptance of the
Rights or interest in Rights, as the case may be, shall be bound:

         (a) The Rights Agent and the Trustee may consult with legal counsel
(who may be legal counsel for the Company), and the opinion of such counsel
shall be full and complete authorization and protection to the Rights Agent and
the Trustee as to any action taken or omitted by it in good faith and in
accordance with such opinion.

         (b) Whenever in the performance of its duties under this Agreement the
Rights Agent or the Trustee shall deem it necessary or desirable that any fact
or matter (including, without

<PAGE>


limitation, the identity of any Acquiring Person and the determination of the
"current per share market price" or the identity and address of the record
holders of Exchangeable Shares and the number of Exchangeable Shares held by
each of them) be proved or established by the Company prior to taking or
suffering any action under this Agreement, such fact or matter (unless other
evidence in respect thereof be herein specifically prescribed) may be deemed to
be conclusively proved and established by a certificate signed by any one of the
Chairman of the Board, the Chief Executive Officer, the President, the Chief
Financial Officer, any Vice President or the Secretary of the Company and
delivered to the Rights Agent or the Trustee, as the case may be; and such
certificate shall be full authorization to the Rights Agent or the Trustee, as
the case may be, for any action taken or suffered in good faith by it under the
provisions of this Agreement in reliance upon such certificate.

         (c) The Rights Agent or the Trustee shall be liable hereunder to the
Company and any other Person only for its own negligence, bad faith or willful
misconduct.

         (d) Neither the Rights Agent nor the Trustee shall be liable for or by
reason of any of the statements of fact or recitals contained in this Agreement
or in the Right Certificates (except, in the case of the Rights Agent, its
countersignature thereof) or be required to verify the same, but all such
statements and recitals are and shall be deemed to have been made by the Company
only.

         (e) Neither the Rights Agent nor the Trustee shall be under any
responsibility in respect of the validity of this Agreement or the execution and
delivery of this Agreement (except the due execution by the Rights Agent and the
Trustee) or in respect of the validity or execution of any Right Certificate
(except in the case of the Rights Agent, its countersignature thereof); nor
shall it be responsible for any breach by the Company of any covenant or
condition contained in this Agreement or in any Right Certificate; nor shall it
be responsible for any change in the exercisability of the Rights (including the
Rights becoming void pursuant to Section 11(a)(ii)) or any adjustment in the
terms of the Rights (including the manner, method or amount thereof) provided
for in Section 3, 11, 13, 23 or 24, or the ascertaining of the existence of
facts that would require any such change or adjustment (except by the Rights
Agent with respect to the exercise of Rights evidenced by Right Certificates
after actual notice that such change or adjustment is required); nor shall it by
any act under this Agreement be deemed to make any representation or warranty as
to the authorization or reservation of any Preferred Shares or Common Shares to
be issued pursuant to this Agreement or any Right Certificate or as to whether
any Preferred Shares or Common Shares will, when issued, be validly authorized
and issued, fully paid and nonassessable.

         (f) The Company agrees that it will perform, execute, acknowledge and
deliver or cause to be performed, executed, acknowledged and delivered all such
further and other acts, instruments and assurances as may reasonably be required
by the Rights Agent or the Trustee for the carrying out or performing by the
Rights Agent or the Trustee of the provisions of this Agreement.

<PAGE>


         (g) The Rights Agent and the Trustee are hereby authorized and directed
to accept instructions with respect to the performance of their duties in
administering this Agreement from any one of the Chairman of the Board, the
Chief Executive Officer, the President, the Chief Financial Officer, any Vice
President or the Secretary of the Company, and to apply to such officers for
advice or instructions in connection with their duties, and they shall not be
liable for any action taken or suffered to be taken by them in good faith in
accordance with instructions of any such officer or for delay in acting while
waiting for those instructions.

         (h) The Rights Agent and the Trustee and any stockholder, director,
officer or employee of the Rights Agent or the Trustee may buy, sell or deal in
any of the Rights or other securities of the Company or Secure Computing Canada
or become pecuniarily interested in any transaction in which the Company or its
Subsidiaries may be interested, or contract with or lend money to the Company or
its Subsidiaries or otherwise act as fully and freely as though it were not
Rights Agent or Trustee under this Agreement. Nothing in this Agreement shall
preclude the Rights Agent or the Trustee from acting in any other capacity for
the Company or its Subsidiaries or for any other legal entity.

         (i) The Rights Agent and the Trustee may execute and exercise any of
the rights or powers hereby vested in them or perform any duty under this
Agreement either themselves or by or through their attorneys or agents, and the
Rights Agent and the Trustee shall not be answerable or accountable for any act,
default, neglect or misconduct of any such attorneys or agents or for any loss
to the Company resulting from any such act, default, neglect or misconduct,
provided reasonable care was exercised in the selection and continued employment
thereof.

         (j) No provision of this Agreement shall require the Rights Agent or
the Trustee to expend or risk its own funds or otherwise incur any financial
liability in the performance of any of its duties under this Agreement or in the
exercise of its rights or powers if there shall be reasonable grounds for
believing that repayment of such funds or adequate indemnification against such
risk or liability is not reasonably assured to it.

         (k) If, with respect to any Right Certificate surrendered to the Rights
Agent for exercise or transfer, the form of assignment or form of election to
purchase, as the case may be, has either not been duly completed and executed or
indicates an affirmative response to enumerated clause 1 and/or 2 on the reverse
side of the applicable Right Certificate, the Rights Agent shall not take any
further action with respect to such requested exercise or transfer without first
consulting with the Company.

         (l) The Trustee acknowledges and agrees that it shall hold all Rights
issued to it in trust for Secure Computing Canada until the Distribution Date
and that such Rights will not be evidenced by separate Right Certificates but
will be evidenced on the books and records of Secure Computing Canada (with one
Right for each outstanding Exchangeable Share). Upon the Distribution Date, the
Trustee acknowledges that the Company will issue Right Certificates

<PAGE>


representing one Right for each then outstanding Exchangeable Share directly to
Secure Computing Canada or as Secure Computing Canada may direct and the Trustee
shall no longer be deemed to have any interest in the Rights. The Company and,
by its acceptance of the Rights or interests in the Rights, Secure Computing
Canada agree that the Trustee shall have no obligations hereunder after the
issuance of Right Certificates to Secure Computing Canada (or at its direction)
in accordance with this Agreement.

         (m) The Trustee undertakes to perform such duties and only such duties
as are specifically set forth in this Agreement with respect to it and no
implied obligations or duties shall be read into this Agreement against the
Trustee. As to any matters not expressly provided for herein (including, without
limitation, enforcement of rights of action under Section 15), the Trustee shall
not be required to exercise any discretion or take any action, but shall be
required to act or to refrain from acting (and shall be fully protected in so
acting or refraining from acting) upon the instructions of Secure Computing
Canada and if only furnished with indemnity satisfactory to the Trustee by the
Persons making the request; provided that the Trustee shall not be required to
take any action that exposes it to personal liability or that is contrary to
this Agreement or applicable law.

         Section 21. Change of Rights Agent or Trustee.

         (a) The Rights Agent or any successor Rights Agent may resign and be
discharged from its duties under this Agreement upon 30 days' notice in writing
mailed to the Company and to each transfer agent of the Common Shares and
Preferred Shares by registered or certified mail, at the expense of the Company,
and, if such notice is mailed after the Distribution Date, to the holders of the
Right Certificates by first-class mail. The Company may remove the Rights Agent
or any successor Rights Agent upon 30 days' notice in writing mailed to the
Rights Agent or successor Rights Agent, as the case may be, and to each transfer
agent of the Common Shares and Preferred Shares by registered or certified mail,
and, if such notice is mailed after the Distribution Date, to the holders of the
Right Certificates by first-class mail. If the Rights Agent shall resign or be
removed or shall otherwise become incapable of acting, the Company shall appoint
a successor to the Rights Agent. If the Company shall fail to make such
appointment within a period of 30 days after giving notice of such removal or
after it has been notified in writing of such resignation or incapacity by the
resigning or incapacitated Rights Agent or by the holder of a Right Certificate
(who shall, with such notice, submit such holder's Right Certificate for
inspection by the Company), then the registered holder of any Right Certificate
may apply to any court of competent jurisdiction for the appointment of a new
Rights Agent. Any successor Rights Agent, whether appointed by the Company or by
such a court, shall be (i) a corporation organized and doing business under the
laws of the United States or of the State of Minnesota or New York (or of any
other state of the United States so long as such corporation is authorized to do
business as a banking institution in the State of Minnesota or New York), in
good standing, having an office in the State of Minnesota or New York which is
authorized under such laws to exercise corporate trust or stock transfer powers
and is subject to supervision or examination by federal or state authority and
which has at the time of its appointment as Rights Agent a combined

<PAGE>


capital and surplus of at least $50 million or (ii) an affiliate of a
corporation described in clause (i) of this sentence. After appointment, the
successor Rights Agent shall be vested with the same powers, rights, duties and
responsibilities as if it had been originally named as Rights Agent without
further act or deed; but the predecessor Rights Agent shall deliver and transfer
to the successor Rights Agent any property at the time held by it under this
Agreement, and execute and deliver any further assurance, conveyance, act or
deed necessary for the purpose. Not later than the effective date of any such
appointment, the Company shall file notice thereof in writing with the
predecessor Rights Agent and each transfer agent of the Common Shares and
Preferred Shares, and, if such notice is filed after the Distribution Date, mail
a notice thereof in writing to the registered holders of the Right Certificates.
Failure to give any notice provided for in this Section, however, or any defect
therein, shall not affect the legality or validity of the resignation or removal
of the Rights Agent or the appointment of the successor Rights Agent, as the
case may be.

         (b) The Trustee or any successor Trustee may resign and be discharged
from its duties under this Agreement upon 30 days' notice in writing mailed to
the Company and to the Rights Agent. The Company may remove the Trustee or any
successor Trustee upon 30 days' notice in writing mailed to the Trustee or
successor Trustee, as the case may be, and to the Rights Agent. If the Trustee
shall resign or be removed or shall otherwise become incapable of acting, the
Company shall appoint a successor to the Trustee. If the Company shall fail to
make such appointment within a period of 30 days after giving notice of such
removal or after it has been notified in writing of such resignation or
incapacity by the resigning or incapacitated Trustee, then the Trustee or Secure
Computing Canada may apply to any court of competent jurisdiction for the
appointment of a new Trustee. After appointment, the successor Trustee shall be
vested with the same powers, rights, duties and responsibilities as if it had
been originally named as Trustee without further act or deed; but the
predecessor Trustee shall deliver and transfer to the successor Trustee any
property at the time held by it under this Agreement, and execute and deliver
any further assurance, conveyance, act or deed necessary for the purpose.
Failure to give any notice provided for in this section, however, or any defect
therein, shall not affect the legality or validity of the resignation or removal
of the Trustee or the appointment of the successor Trustee, as the case may be.

         Section 22. Issuance of New Right Certificates. Notwithstanding any of
the provisions of this Agreement or of the Rights to the contrary, the Company
may, at its option, issue new Right Certificates evidencing Rights in such form
as may be approved by its Board of Directors to reflect any adjustment or change
in the Purchase Price and the number or kind or class of shares or other
securities or property purchasable under the Right Certificates made in
accordance with the provisions of this Agreement.

         Section 23. Redemption.

         (a) Subject to the provisions of Section 27, the Board of Directors of
the Company may, at its option, at any time prior to the earlier of (x) the
Close of Business on the 20th day after the Shares Acquisition Date or (y) the
Close of Business on the Final Expiration Date,

<PAGE>


redeem all but not less than all of the then outstanding Rights at a redemption
price of $.001 per Right, appropriately adjusted to reflect any stock split,
stock dividend or similar transaction occurring after the date of this Agreement
(such redemption price being hereinafter referred to as the "Redemption Price"),
provided, however, that for the purposes hereof the Board of Directors of the
Company shall be entitled to so redeem the Rights after the time at which any
Person first becomes an Acquiring Person only if a majority of the directors
then serving are Continuing Directors. Notwithstanding anything contained in
this Agreement to the contrary, the Rights shall not be exercisable after the
first occurrence of a Section 11(a)(ii) Event until such time as the authority
of the Board of Directors of the Company to redeem the Rights pursuant to this
Section 23(a), as such section may be amended pursuant to Section 27, shall have
terminated. The Redemption Price shall be payable in cash by the Company. The
redemption of the Rights by the Board of Directors of the Company may be made
effective at such time and on such basis and with such conditions as the Board
of Directors of the Company in its sole discretion may establish. Except for the
obligation to pay the Redemption Price, the Board of Directors and the Company
shall not have any liability to any Person as a result of the redemption of
Rights pursuant to the terms of this Section 23. In the case of the Redemption
of any Rights held by the Trustee in trust for Secure Computing Canada, the
Redemption Price shall be payable directly to Secure Computing Canada (or at
Secure Computing Canada's direction) and not to the Trustee.

         (b) Immediately upon the action of the Board of Directors of the
Company ordering the redemption of the Rights pursuant to paragraph (a) of this
Section 23, and without any further action and without any notice, the right to
exercise the Rights will terminate and the only right thereafter of the holders
of Rights and Secure Computing Canada (or its designees) shall be to receive the
Redemption Price for each Right so held. Promptly after the action of the Board
of Directors of the Company ordering the redemption of the Rights, the Company
shall give notice of such redemption to the Rights Agent, the Trustee, Secure
Computing Canada, and the holders of the then outstanding Rights by mailing such
notice to all such holders at their last addresses as they appear upon the
registry books of the Rights Agent or, prior to the Distribution Date, on the
registry books of the transfer agent for the Common Shares; provided, however,
that the failure to give, or any defect in, any such notice shall not affect the
validity of such redemption. Any notice which is mailed in the manner provided
in this paragraph shall be deemed given whether or not the holder or other
Person receives the notice. Each such notice of redemption will state the method
by which the payment of the Redemption Price will be made. Neither the Company
nor any of its Affiliates or Associates may redeem, acquire or purchase for
value any Rights at any time in any manner except as specifically set forth in
this Section or in Section 24 or in connection with the purchase of Common
Shares or Exchangeable Shares prior to the Distribution Date.

         Section 24. Exchange.

         (a) The Board of Directors of the Company may, at its option, at any
time after any Person becomes an Acquiring Person,, exchange all or part of the
then outstanding and exercisable Rights (which shall not include Rights that
have become void pursuant to the provisions of Section 11(a)(ii)) for Common
Shares, with each Right to be exchanged for such

<PAGE>


number of Common Shares as shall equal the result obtained by dividing (x) the
Exercise Price (as defined in Section 11(a)(iii)) by (y) the current per share
market price of the Common Shares (determined pursuant to Section 11(d)) on the
date any Person becomes an Acquiring Person (such number of shares being
hereinafter referred to as the "Exchange Ratio"). The Exchange Ratio shall be
appropriately adjusted to reflect any stock split, stock dividend or similar
transaction affecting the Common Shares that occurs after the date any Person
becomes an Acquiring Person. Notwithstanding the foregoing, the Board of
Directors of the Company shall not be empowered to effect such exchange at any
time after any Person (other than (1) the Company, (2) any Subsidiary of the
Company, (3) any employee benefit plan of the Company or of any Subsidiary of
the Company or (4) any entity holding Common Shares for or pursuant to the terms
of any plan described in clause (3) of this sentence), together with all
Affiliates and Associates of such Person, becomes the Beneficial Owner of 50% or
more of the Common Shares then outstanding.

         (b) Immediately upon the action of the Board of Directors of the
Company ordering the exchange of any Rights pursuant to paragraph (a) of this
Section 24 and without any further action and without any notice, the right to
exercise such Rights shall terminate and the only right thereafter of a holder
of such Rights shall be to receive that number of Common Shares equal to the
number of such Rights held by such holder multiplied by the Exchange Ratio. The
Company shall promptly give public notice of any such exchange; provided,
however, that the failure to give, or any defect in, such notice shall not
affect the validity of such exchange. The Company shall promptly mail a notice
of any such exchange to all of the holders of such Rights at their last
addresses as they appear upon the registry books of the Rights Agent. Any notice
which is mailed in the manner herein provided shall be deemed given, whether or
not the holder or other Person receives the notice. Each such notice of exchange
will state the method by which the exchange of the Common Shares for Rights will
be effected and, in the event of any partial exchange, the number of Rights
which will be exchanged. Any partial exchange shall be effected pro rata based
on the number of Rights (other than Rights which have become void pursuant to
the provisions of Section 11(a)(ii)) held by each holder of Rights.

         (c) In the event that there shall not be sufficient unreserved Common
Shares issued but not outstanding or authorized and unissued to permit the
exchange of Rights as contemplated in accordance with this Section 24, the
Company, at its option, may substitute Preferred Shares (or equivalent preferred
shares, as such term is defined in Section 11(b), or common share equivalents,
as such term is defined in Section 11(a)(iii)(3)(C)), for Common Shares
exchangeable for Rights, at the initial rate of one one-hundredth of a Preferred
Share (or equivalent preferred share) or one common share equivalent for each
Common Share, as appropriately adjusted to reflect stock splits, stock dividends
or similar transactions affecting the Common Shares that occur after the date of
this Agreement.

         (d) In the event that there shall not be sufficient unreserved Common
Shares, Preferred Shares, equivalent preferred shares or common share
equivalents, authorized and unissued or issued but not outstanding to permit the
exchange of Rights as contemplated in accordance with this Section 24, the
Company shall take all such action as may be necessary to

<PAGE>


authorize additional Common Shares or Preferred Shares, equivalent preferred
shares or common share equivalents for issuance upon exchange of the Rights.

         (e) The Company shall not be required to issue fractions of Common
Shares or to distribute certificates which evidence fractional Common Shares.
In lieu of such fractional Common Shares, the Company may pay to the registered
holders of the Right Certificates with regard to which such fractional Common
Shares would otherwise be issuable an amount in cash equal to the same fraction
of the current market value of a whole Common Share. For the purposes of this
paragraph (e), the current market value of a whole Common Share shall be the
closing price of a Common Share (as determined pursuant to the second sentence
of Section 11(d)(i)) for the Trading Day immediately prior to the date of
exchange pursuant to this Section. The Board of Directors and the Company shall
not have any liability to any Person as a result of the exchange of Rights
pursuant to the terms of this Section.

         Section 25. Notice of Certain Events.

         (a) In case the Company shall propose, at any time after the
Distribution Date, (i) to pay any dividend payable in stock of any class to the
holders of its Preferred Shares or to make any other distribution to the holders
of its Preferred Shares (other than a regular quarterly cash dividend), or (ii)
to offer to the holders of its Preferred Shares rights or warrants to subscribe
for or to purchase any additional Preferred Shares or shares of stock of any
class or any other securities, rights or options, or (iii) to effect any
reclassification of its Preferred Shares (other than a reclassification
involving only the subdivision of outstanding Preferred Shares), or (iv) to
effect any consolidation or merger into or with any other Person, or to effect
any sale or other transfer (or to permit one or more of its Subsidiaries to
effect any sale or other transfer), in one or a series of related transactions,
of 50% or more of the assets or earning power of the Company and its
Subsidiaries (taken as a whole) to, any other Person or Persons (other than the
Company and/or any of its wholly owned Subsidiaries), or (v) to effect the
liquidation, dissolution or winding up of the Company, or (vi) to declare or pay
any dividend on the Common Shares payable in Common Shares or to effect a
subdivision, combination or consolidation of the Common Shares (by
reclassification or otherwise), then, in each such case, the Company shall give
to each holder of a Right Certificate, to the extent feasible and in accordance
with Section 26, a notice of such proposed action, which shall specify the
record date for the purposes of such stock dividend or distribution of rights or
warrants, or the date on which such reclassification, consolidation, merger,
sale, transfer, liquidation, dissolution, or winding up is to take place and the
date of participation therein by the holders of the Common Shares and/or
Preferred Shares, if any such date is to be fixed, and such notice shall be so
given in the case of any action covered by clause (i) or (ii) above at least 10
days prior to the record date for determining holders of the Preferred Shares
for purposes of such action, and in the case of any such other action, at least
10 days prior to the date of the taking of such proposed action or the date of
participation therein by the holders of the Common Shares and/or Preferred
Shares, whichever shall be the earlier.

<PAGE>


         (b) In case any Section 11(a)(ii) Event shall occur, then, in any such
case, the Company shall as soon as practicable thereafter give to each holder of
a Right Certificate, in accordance with Section 26 hereof, a notice of the
occurrence of such event, which shall specify the event and the consequences of
the event to holders of Rights under Section 11(a)(ii).

         Section 26. Notices. Notices or demands authorized by this Agreement to
be given or made by the Rights Agent, by the Trustee, by the holder of any Right
Certificate or by Secure Computing Canada to or on the Company shall be
sufficiently given or made if sent by first-class mail, postage-prepaid,
addressed (until another address is filed in writing with the Rights Agent) as
follows:

                           Secure Computing Corporation
                           2675 Long Lake Road
                           Roseville, Minnesota  55113
                           Attention:  Chief Financial Officer

Subject to the provisions of Section 21, any notice or demand authorized by this
Agreement to be given or made by the Company, by the Trustee, by the holder of
any Right Certificate or by Secure Computing Canada to or on the Rights Agent
shall be sent by first-class mail, postage-prepaid, addressed (until another
address is filed in writing with the Company) as follows:

                           Norwest Bank Minnesota, National Association
                           161 North Concord Exchange
                           South St. Paul, Minnesota  55075
                           Attention:  Stock Transfer Manager

Subject to the provisions of Section 21, any notice or demand authorized by this
Agreement to be given or made by the Rights Agent, by the Company, by the holder
of any Right Certificate or by Secure Computing Canada to or on the Trustee
shall be sent by first-class mail, postage-prepaid, addressed (until another
address if filed in writing with the Company) as follows:

                           The Bank of Nova Scotia Trust Company of New York
                           One Liberty Plaza
                           New York, New York  10006
                           Attention:  Secretary

Notices or demands authorized by this Agreement to be given or made by the
Company, the Trustee (in the case of Secure Computing Canada) or the Rights
Agent to the holder of any Right Certificate shall be sufficiently given or made
if sent by first-class mail, postage-prepaid, addressed to such holder at the
address of such holder as shown on the registry books of the Company or, in the
case of Secure Computing Canada, to the address for the Company.

<PAGE>


         Section 27. Supplements and Amendments. The Company may and the Rights
Agent and the Trustee shall, if so directed by the Company, from time to time
supplement or amend this Agreement without the approval of any holders of Common
Shares, Secure Computing Canada, any holders of Exchangeable Shares, the Trustee
or any holders of Right Certificates in order (i) to extend the Final Expiration
Date or, provided that at the time of such amendment (x) no Person has become an
Acquiring Person or (y) a majority of the directors are Continuing Directors, to
extend the period during which the Rights may be redeemed, notwithstanding
anything to the contrary provided in clause (iv), (ii) to cure any ambiguity, or
to correct or supplement any provision contained in this Agreement which may be
defective or inconsistent with any other provisions in this Agreement, (iii)
prior to the Distribution Date, to otherwise change or supplement any provision
in this Agreement in any manner which the Company may deem necessary or
desirable, or (iv) following the Distribution Date, to otherwise change or
supplement any provision in this Agreement in any manner which the Company may
deem necessary or desirable and which shall not adversely affect the interests
of the holders of Right Certificates (other than Right Certificates evidencing
Rights that shall have become null and void pursuant to Section 11(a)(ii)).
Without limiting the foregoing, the Company may at any time prior to such time
as any Person becomes an Acquiring Person amend this Agreement to lower the
thresholds set forth in Sections 1(a) and 3(a) from 15% to not less than the
greater of (i) the sum of .001% and the largest percentage of the outstanding
Common Shares then known by the Company to be beneficially owned by any Person
(other than (1) the Company, (2) any Subsidiary of the Company, (3) any employee
benefit plan of the Company or any Subsidiary of the Company, or (4) any entity
holding Common Shares for or pursuant to the terms of any plan described in
clause (3) of this sentence) or (ii) 10%.

         Section 28. Successors. All the covenants and provisions of this
Agreement by or for the benefit of the Company, the Rights Agent or the Trustee
shall bind and inure to the benefit of their respective successors and assigns
hereunder.

         Section 29. Benefits of this Agreement.

         (a) Nothing in this Agreement shall be construed to give to any Person
other than the Company, the Rights Agent, the Trustee, the registered holders of
the Right Certificates (and, prior to the Distribution Date, the registered
holders of Common Shares or Secure Computing Canada) any legal or equitable
right, remedy or claim under this Agreement. This Agreement shall be for the
sole and exclusive benefit of the Company, the Rights Agent, the Trustee, the
registered holders of the Right Certificates (and, prior to the Distribution
Date, the registered holders of Common Shares and Secure Computing Canada).

         (b) The Board of Directors of the Company shall have the exclusive
power and total and complete authority to administer this Agreement and to
exercise all rights and powers specifically granted to the Board of Directors or
the Company or necessary or advisable in the administration of this Agreement,
including without limitation the right and power to interpret this Agreement and
to make conclusively all determinations deemed necessary or advisable for the

<PAGE>


administration of this Agreement. All such acts, calculations, interpretations
and determinations (including, for purposes of clause (y) below, all omissions
with respect to the foregoing) that are done or made by the Board of Directors
in good faith shall (x) be final, conclusive and binding on the Company, the
Rights Agent, the Trustee, Secure Computing Canada and the holders of the Rights
and all other parties and (y) not subject the Board of Directors to any
liability to the holders of the Rights or any other party.

         Section 30. Severability. If any term, provision, covenant or
restriction of this Agreement is held by a court of competent jurisdiction or
other authority to be invalid, void or unenforceable, the remainder of the
terms, provisions, covenants and restrictions of this Agreement shall remain in
full force and effect and shall in no way be affected, impaired or invalidated;
provided, however, that notwithstanding anything in this Agreement to the
contrary, if any such term, provision, covenant or restriction is held by such
court or authority to be invalid, void or unenforceable and the Board of
Directors of the Company determines, at a time when a majority of the directors
then serving are Continuing Directors, in their good faith judgment that
severing the invalid language from this Agreement would adversely affect the
purpose or effect of this Agreement, the right of redemption set forth in
Section 23 shall be reinstated and shall not expire until the close of business
on the tenth day following the date of such determination by the Board of
Directors.

         Section 31. Governing Law. This Agreement and each Right Certificate
issued hereunder shall be deemed to be a contract made under the laws of the
State of Delaware and for all purposes shall be governed by and construed in
accordance with the laws of the State of Delaware applicable to contracts to be
made and performed entirely within such state, except for Sections 18, 19, 20
and 21, which shall be governed by and construed in accordance with (i) the laws
of the State of Minnesota, in the case of the Rights Agent, and (ii) the laws of
the State of New York, in the case of the Trustee.

         Section 32. Counterparts. This Agreement may be executed in any number
of counterparts and each of such counterparts shall for all purposes be deemed
to be an original, and all such counterparts shall together constitute but one
and the same instrument.

         Section 33. Descriptive Headings. Descriptive headings of the several
Sections of this Agreement are inserted for convenience only and shall not
control or affect the meaning or construction of any of the provisions of this
Agreement.

<PAGE>


         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the day and year first above written.



                                   SECURE COMPUTING CORPORATION



                                   By:  /s/ Timothy P. McGurran
                                        ---------------------------------------
                                         Vice President of Operations and Chief
                                   Its:  Financial Officer
                                        ---------------------------------------



                                   NORWEST BANK MINNESOTA,
                                     NATIONAL ASSOCIATION,
                                     as Rights Agent



                                   By:  /s/ Karri L. Van Dell
                                        ---------------------------------------
                                   Its:  Corporate Officer
                                        ---------------------------------------



                                   THE BANK OF NOVA SCOTIA TRUST
                                     COMPANY OF NEW YORK,
                                     as Trustee



                                   By:  /s/ Warren Goshine
                                        ---------------------------------------
                                   Its: Trust Officer
                                        ---------------------------------------

<PAGE>


                                                                       EXHIBIT A

           CERTIFICATE OF POWERS, DESIGNATIONS, PREFERENCES AND RIGHTS
                OF SERIES B JUNIOR PARTICIPATING PREFERRED SHARES
                                       OF
                          SECURE COMPUTING CORPORATION

        (PURSUANT TO SECTION 151 OF THE DELAWARE GENERAL CORPORATION LAW)


         Secure Computing Corporation, a corporation organized and existing
under the General Corporation Law of the State of Delaware (the "Corporation"),
hereby certifies that the following resolution creating a series of 225,000
Preferred Shares, $.01 par value, designated as Series B Junior Participating
Preferred Shares, was adopted by the Board of Directors of the Corporation in
accordance with the provisions of Section 151 of the General Corporation Law at
a meeting duly called and held on July 24, 1997:

         RESOLVED, that pursuant to the authority granted to and vested in the
Board of Directors of this Corporation in accordance with the provisions of its
Restated Certificate of Incorporation, as amended, a series of Preferred Stock
of this Corporation be, and it hereby is, created, and that the designation and
amount thereof and the relative rights, preferences and limitations of the
shares of such series, are as follows:

         1. Designation and Amount. The shares of such series shall be
designated as "Series B Junior Participating Preferred Shares" (the "Series B
Preferred Shares"), and the number of shares constituting such series shall be
Two Hundred Twenty Five Thousand (225,000). The number of shares constituting
such series may, unless prohibited by the Certificate of Incorporation or by
applicable law of the State of Delaware, be increased or decreased by resolution
of the Board of Directors; provided, that no decrease shall reduce the number of
Series B Preferred Shares to a number less than the number of shares then
outstanding plus the number of shares issuable upon the exercise of outstanding
options, rights or warrants or upon the conversion of any outstanding securities
issued by the Corporation convertible into Series B Preferred Shares.

         2. Dividends and Distributions.

                   (i) The holders of Series B Preferred Shares, in preference
to the holders of Common Shares and of any other junior stock, shall be entitled
to receive, when, as and if declared by the Board of Directors out of funds
legally available for the purpose, quarterly dividends payable in cash on the
last business day of March, June, September and December in each year (each such
date being referred to herein as a "Quarterly Dividend Payment Date"),
commencing on the first Quarterly Dividend Payment Date after the first issuance
of a Series B Preferred Share, or fraction thereof, in an amount per share
(rounded to the nearest cent) equal to the greater of (a) $1.00 or (b) subject
to the provision for adjustment hereinafter set forth, one hundred (100) times
the aggregate per share amount of all cash dividends, and one hundred (100)
times the aggregate per share amount (payable in kind) of all non-cash dividends
or other distributions, other than a dividend payable in Common Shares or a
subdivision of the outstanding

<PAGE>


Common Shares (by reclassification or otherwise), declared on the Common Shares
since the immediately preceding Quarterly Dividend Payment Date or, with respect
to the first Quarterly Dividend Payment Date, since the first issuance of any
Series B Preferred Share, or fraction thereof. In the event the Corporation
shall at any time after August 15, 1997 declare or pay any dividend on Common
Shares payable in Common Shares, or effect a subdivision or combination or
consolidation of the outstanding Common Shares (by reclassification or
otherwise) into a greater or lesser number of Common Shares, then in each such
case the amount to which holders of Series B Preferred Shares were entitled
immediately prior to such event under clause (b) of the preceding sentence shall
be adjusted by multiplying such amount by a fraction, the numerator of which is
the number of Common Shares outstanding immediately after such event and the
denominator of which is the number of Common Shares that were outstanding
immediately prior to such event.

                   (ii) The Corporation shall declare a dividend or distribution
on the Series B Preferred Shares as provided in subparagraph (i) of this
paragraph 2 simultaneously with its declaration of a dividend or distribution on
the Common Shares (other than a dividend payable in Common Shares or a
subdivision of the outstanding Common Shares); provided that, in the event no
dividend or distribution shall have been declared on the Common Shares during
the period between any Quarterly Dividend Payment Date and the next subsequent
Quarterly Dividend Payment Date, a dividend of $1.00 per share on the Series B
Preferred Shares shall nevertheless be payable, out of funds legally available
for such purpose, on such subsequent Quarterly Dividend Payment Date.

                   (iii) Dividends shall begin to accrue and be cumulative on
outstanding Series B Preferred Shares from the Quarterly Dividend Payment Date
immediately preceding the date of issue of such Series B Preferred Shares,
unless the date of issue of such shares is prior to the record date for the
first Quarterly Dividend Payment Date, in which case dividends on such shares
shall begin to accrue from the date of issue of such shares, or unless the date
of issue is a Quarterly Dividend Payment Date or is a date after the record date
for the determination of holders of Series B Preferred Shares entitled to
receive a quarterly dividend and before such Quarterly Dividend Payment Date, in
either of which events such dividends shall begin to accrue and be cumulative
from such Quarterly Dividend Payment Date. Accrued but unpaid dividends shall
not bear interest. Dividends paid on the Series B Preferred Shares in an amount
less than the total amount of such dividends at the time accrued and payable on
such shares shall be allocated pro rata on a share-by-share basis among all such
shares outstanding at that time. The Board of Directors may fix a record date
for the determination of holders of Series B Preferred Shares entitled to
receive payment of a dividend or distribution declared thereon, which record
date shall be not more than sixty (60) days prior to the date fixed for the
payment thereof.

         3. Voting Rights. The holders of Series B Preferred Shares shall have
the following voting rights:

                   (i) Subject to the provision for adjustment hereinafter set
forth, each Series B Preferred Share shall entitle the holder thereof to one
hundred (100) votes on all matters

<PAGE>


submitted to a vote of the stockholders of the Corporation. In the event the
Corporation shall at any time after August 15, 1997 declare or pay any dividend
on Common Shares payable in Common Shares, or effect a subdivision or
combination or consolidation of the outstanding Common Shares (by
reclassification or otherwise) into a greater or lesser number of Common Shares,
then in each such case the number of votes per share to which holders of Series
B Preferred Shares were entitled immediately prior to such event shall be
adjusted by multiplying such number by a fraction, the numerator of which is the
number of Common Shares outstanding immediately after such event and the
denominator of which is the number of Common Shares that were outstanding
immediately prior to such event.

                   (ii) Except as otherwise provided herein, in any other
Certificate of Powers, Designations, Preferences and Rights creating a series of
Preferred Stock or by law, the holders of Series B Preferred Shares and the
holders of Common Shares, Series A Preferred Stock and any other capital shares
of the Corporation having general voting rights shall vote together as one class
on all matters submitted to a vote of the stockholders of the Corporation.

                   (iii) Except as otherwise provided herein or by law, the
holders of Series B Preferred Shares shall have no special voting rights and
their consent shall not be required (except to the extent they are entitled to
vote with holders of Common Shares, Series A Preferred Stock and any other
capital stock of the Corporation having general voting rights as set forth
herein) for taking any corporate action.

         4. Certain Restrictions.

                   (i) Whenever quarterly dividends or other dividends or
distributions payable on the Series B Preferred Shares as provided in paragraph
2 hereof are in arrears, thereafter and until all accrued and unpaid dividends
and distributions, whether or not declared, on Series B Preferred Shares
outstanding shall have been paid in full, the Corporation shall not:

                       (a) declare or pay dividends, or make any other
distributions, on any shares of stock ranking junior (either as to dividends or
upon liquidation, dissolution or winding up) to the Series B Preferred Shares;

                       (b) declare or pay dividends, or make any other
distributions, on any shares of stock ranking on a parity (either as to
dividends or upon liquidation, dissolution or winding up) with the Series B
Preferred Shares, except dividends paid ratably on the Series B Preferred Shares
and all such parity stock on which dividends are payable or in arrears in
proportion to the total amounts to which the holders of all such shares are then
entitled;

                       (c) redeem or purchase or otherwise acquire for
consideration shares of any stock ranking junior (either as to dividends or upon
liquidation, dissolution or winding up) to the Series B Preferred Shares,
provided that the Corporation may at any time redeem, purchase or otherwise
acquire shares of any such junior stock in exchange for shares of

<PAGE>


stock of the Corporation ranking junior (both as to dividends and upon
liquidation, dissolution or winding up) to the Series B Preferred Shares; or

                       (d) redeem or purchase or otherwise acquire for
consideration any Series B Preferred Shares, or any shares of stock ranking on a
parity with the Series B Preferred Shares, except in accordance with a purchase
offer made in writing or by publication (as determined by the Board of
Directors) to all holders of such shares upon such terms as the Board of
Directors, after consideration of the respective annual dividend rates and other
relative rights and preferences of the respective series and classes, shall
determine in good faith will result in fair and equitable treatment among the
respective series or classes.

                    (ii) The Corporation shall not permit any subsidiary of the
Corporation to purchase or otherwise acquire for consideration any shares of
stock of the Corporation unless the Corporation could, under subparagraph (i) of
this paragraph 4, purchase or otherwise acquire such shares at such time and in
such manner.

         5. Reacquired Shares. Any Series B Preferred Shares purchased or
otherwise acquired by the Corporation in any manner whatsoever shall be retired
and canceled promptly after the acquisition thereof. All such shares shall upon
their cancellation become authorized but unissued Preferred Shares and may be
reissued as part of a new series of Preferred Stock by resolution or resolutions
of the Board of Directors, subject to the conditions and restrictions on
issuance set forth herein, in the Certificate of Incorporation, or in any other
Certificate of Powers, Designations, Preferences and Rights creating a series of
Preferred Stock or as otherwise required by law.

         6. Liquidation, Dissolution or Winding Up. Upon any liquidation,
dissolution or winding up of the Corporation, no distribution shall be made (a)
to the holders of shares of stock ranking junior (either as to dividends or upon
liquidation, dissolution or winding up) to the Series B Preferred Shares unless,
prior thereto, the holders of Series B Preferred Shares shall have received the
greater of (i) $100 per share, plus an amount equal to accrued and unpaid
dividends and distributions thereon, whether or not declared, to the date of
such payment, or (ii) an aggregate amount per share, subject to the provision
for adjustment hereinafter set forth, equal to one hundred (100) times the
aggregate amount to be distributed per share to holders of Common Shares, or (b)
to the holders of shares of stock ranking on a parity (either as to dividends or
upon liquidation, dissolution or winding up) with the Series B Preferred Shares,
except distributions made ratably on the Series B Preferred Shares and all other
such parity stock in proportion to the total amounts to which the holders of all
such shares are entitled upon such liquidation, dissolution or winding up. In
the event the Corporation shall at any time after August 15, 1997 declare or pay
any dividend on the Common Shares payable in Common Shares, or effect a
subdivision or combination or consolidation of the outstanding Common Shares (by
reclassification or otherwise) into a greater or lesser number of Common Shares,
then in each such case the aggregate amount to which holders of Series B
Preferred Shares were entitled immediately prior to such event under clause
(a)(ii) of the preceding sentence shall be adjusted by multiplying such amount
by a fraction

<PAGE>


the numerator of which is the number of Common Shares outstanding immediately
after such event and the denominator of which is the number of Common Shares
that were outstanding immediately prior to such event.

         7. Consolidation, Merger, etc. In case the Corporation shall enter into
any consolidation, merger, combination, or other transaction in which the Common
Shares are exchanged for or changed into other stock or securities, cash and/or
any other property, then in any such case the Series B Preferred Shares shall at
the same time be similarly exchanged or changed into an amount per share
(subject to the provision for adjustment hereinafter set forth) equal to one
hundred (100) times the aggregate amount of stock, securities, money and/or any
other property (payable in kind), as the case may be, into which or for which
each Common Share is changed or exchanged. In the event the Corporation shall at
any time after August 15, 1997 declare or pay any dividend on Common Shares
payable in Common Shares, or effect a subdivision or combination or
consolidation of the outstanding Common Shares (by reclassification or
otherwise) into a greater or lesser number of Common Shares, then in each such
case the amount set forth in the preceding sentence with respect to the exchange
or change of Series B Preferred Shares shall be adjusted by multiplying such
amount by a fraction, the numerator of which is the number of Common Shares
outstanding immediately after such event and the denominator of which is the
number of Common Shares that were outstanding immediately prior to such event.

         8. No Redemption. The Series B Preferred Shares shall not be
redeemable.

         9. Rank. The Series B Preferred Shares shall rank senior to the Series
A Preferred Stock and junior in terms of dividend and liquidation, dissolution
and winding up rights to all other series of the corporation's Preferred Stock
hereafter issued that specifically provide that they shall rank senior to the
Series B Preferred Shares.

         10. Fractional Shares. Series B Preferred Shares may be issued in
fractions of a share which shall entitle the holder, in proportion to such
holder's fractional shares, to receive dividends, participate in distributions
and to have the benefit of all other rights of holders of Series B Preferred
Shares.

<PAGE>


         IN WITNESS WHEREOF, this Certificate of Powers, Designations,
Preferences and Rights is executed on behalf of the Corporation by its
_____________________ and attested by its Secretary, all as of the ______ day of
__________________, 1997.


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

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

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

Attest:


By: 
    ------------------------------------
    James E. Nicholson, Secretary

<PAGE>


                                                                       EXHIBIT B


                           [FORM OF RIGHT CERTIFICATE]


Certificate No. R- ______                                        ________ Rights

     NOT EXERCISABLE AFTER AUGUST 15, 2007 OR SUCH EARLIER DATE AS THE BOARD OF
DIRECTORS ORDERS REDEMPTION OR EXCHANGE OF THE RIGHTS. THE RIGHTS ARE SUBJECT TO
REDEMPTION, AT THE OPTION OF THE COMPANY, AT $.001 PER RIGHT (SUBJECT TO
ADJUSTMENT) AND TO EXCHANGE ON THE TERMS SET FORTH IN THE RIGHTS AGREEMENT.
UNDER CERTAIN CIRCUMSTANCES SET FORTH IN THE RIGHTS AGREEMENT, RIGHTS THAT ARE
OR WERE ACQUIRED OR BENEFICIALLY OWNED BY AN ACQUIRING PERSON OR AN AFFILIATE OR
ASSOCIATE OF AN ACQUIRING PERSON (AS SUCH TERMS ARE DEFINED IN THE RIGHTS
AGREEMENT) MAY BECOME NULL AND VOID.

                                Right Certificate

                          SECURE COMPUTING CORPORATION

         This certifies that _________________, or registered assigns, is the
registered owner of the number of Rights set forth above, each of which entitles
the owner thereof, subject to the terms, provisions and conditions of the Rights
Agreement dated as of July 24, 1997 (the "Rights Agreement") among Secure
Computing Corporation, a Delaware corporation (the "Company"), Norwest Bank
Minnesota, National Association (the "Rights Agent"), and The Bank of Nova
Scotia Trust Company of New York (the "Trustee"), to purchase from the Company
at any time after the Distribution Date (as such term is defined in the Rights
Agreement) and prior to 5:00 P.M. (Minneapolis, Minnesota time) on August 15,
2007 at the office or offices of the Rights Agent designated for such purpose,
or of its successor as Rights Agent, one one-hundredth of a fully paid,
nonassessable Series B Junior Participating Preferred Share, $.01 par value, of
the Company (the "Preferred Shares"), at a purchase price of $50 per one
one-hundredth of a Preferred Share (the "Purchase Price"), upon presentation and
surrender of this Right Certificate with the Form of Election to Purchase duly
completed and executed. The number of Rights evidenced by this Right Certificate
(and the number of one one-hundredths of a Preferred Share which may be
purchased upon exercise thereof) set forth above, and the Purchase Price set
forth above, are, except for adjustments required pursuant to the Rights
Agreement, the number and Purchase Price as of August 15, 1997, based on the
Preferred Shares as constituted at such date.

         As provided in the Rights Agreement, the Purchase Price and the number
of one one-hundredths of a Preferred Share which may be purchased upon the
exercise of the Rights evidenced by this Right Certificate are subject to
modification and adjustment upon the happening of certain events.

<PAGE>


         This Right Certificate is subject to all of the terms, provisions and
conditions of the Rights Agreement, which terms, provisions and conditions are
hereby incorporated herein by reference and made a part hereof and which
contains a full description of the rights, limitations of rights, obligations,
duties and immunities hereunder of the Rights Agent, the Company and the holders
of the Right Certificates (which limitations of rights include the voiding of
the Rights under certain circumstances specified in the Rights Agreement).
Copies of the Rights Agreement are on file with the Secretary of the Company at
its principal executive office and will be mailed without charge by the Company
or the Rights Agent to the holder of this certificate promptly following receipt
by the Company or the Rights Agent of a written request therefor.

         Upon the occurrence of a Section 11(a)(ii) Event (as such term is
defined in the Rights Agreement), any Rights evidenced by this Right Certificate
that are beneficially owned by an Acquiring Person or an Associate or Affiliate
of such Acquiring Person (as such terms are defined in the Rights Agreement) or
were beneficially owned by an Acquiring Person or an Associate or Affiliate of
such Acquiring Person after the Acquiring Person becomes an Acquiring Person
shall be null and void from and after the occurrence of such Section 11(a)(ii)
Event.

         This Right Certificate, with or without other Right Certificates, upon
surrender at the office or offices of the Rights Agent designated for such
purpose, may be exchanged for another Right Certificate or Right Certificates of
like tenor and date evidencing Rights entitling the holder to purchase a like
aggregate number of one one-hundredths of a Preferred Share as the Rights
evidenced by the Right Certificate or Right Certificates surrendered then
entitled such holder to purchase. If this Right Certificate shall be exercised
in part, the holder shall be entitled to receive upon surrender hereof another
Right Certificate or Right Certificates for the number of Rights not exercised.

         Subject to the provisions of the Rights Agreement, the Rights evidenced
by this Certificate (i) may, but are not required to, be redeemed by the Company
at a redemption price of $.001 per Right, subject to adjustment as provided in
the Rights Agreement, payable in cash and (ii) may, but are not required to, be
exchanged by the Company in whole or in part for Common Shares or other shares
of capital stock of the Company. The Board of Directors of the Company and the
Company shall not have any liability to any person as a result of the redemption
or exchange of the Rights pursuant to the provisions of the Rights Agreement.

         No fractional Preferred Shares will be issued upon the exercise of any
Right or Rights evidenced hereby (other than fractional shares which are
integral multiples of one one-hundredth of a Preferred Share or, if a Right
shall then be exercisable for a fraction other than one one-hundredth of a
Preferred Share, integral multiples of that fraction, which may, at the election
of the Company, be evidenced by depositary receipts), if in lieu thereof a cash
payment is made, as provided in the Rights Agreement.

         No holder of this Right Certificate, as such, shall be entitled to vote
or receive dividends or be deemed for any purpose the holder of the Preferred
Shares or of any other 

<PAGE>


securities of the Company which may at any time be issuable on the exercise
hereof, nor shall anything contained in the Rights Agreement or herein be
construed to confer upon the holder hereof, as such, any of the rights of a
stockholder of the Company or any right to vote for the election of directors or
upon any matter submitted to stockholders at any meeting thereof, or to give or
withhold consent to any corporate action, or to receive notice of meetings or
other actions affecting stockholders (except as provided in the Rights
Agreement), or to receive dividends or subscription rights, or otherwise, until
the Right or Rights evidenced by this Right Certificate shall have been
exercised as provided in the Rights Agreement.

         This Right Certificate shall not be valid or obligatory for any purpose
until it shall have been countersigned by the Rights Agent.

         WITNESS the manual or facsimile signature of the proper officer of the
Company.

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

                                        SECURE COMPUTING CORPORATION


ATTEST:                                 By:
                                            ------------------------------------
                                        Its:
- -------------------------------------       ------------------------------------

Countersigned:

NORWEST BANK MINNESOTA,
  NATIONAL ASSOCIATION


By:
    ---------------------------------
    Authorized Manual or
    Facsimile Signature

<PAGE>


                   [Form of Reverse Side of Right Certificate]


                               FORM OF ASSIGNMENT


                (To be executed by the registered holder if such
               holder desires to transfer the Right Certificate.)


FOR VALUE RECEIVED ________________________ hereby sells, assigns and transfers
unto
                  (Please print name and address of transferee)


this Right Certificate, together with all right, title and interest therein, and
does hereby irrevocably constitute and appoint ___________________________
Attorney, to transfer the within Right Certificate on the books of the
within-named Company, with full power of substitution.

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



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


Signature Guaranteed:

         Signatures must be guaranteed by a member firm of a registered national
securities exchange, a member of the National Association of Securities Dealers,
Inc., or a commercial bank or trust company having an office or correspondent in
the United States or Canada or by an eligible guarantor institution (bank,
stockbroker, savings and loan association or credit union with membership in an
approved signature guarantee medallion program), pursuant to Rule 17Ad-15
promulgated under the Securities Exchange Act of 1934, as amended.

<PAGE>


                                   CERTIFICATE

         The undersigned hereby certifies (after due inquiry and to the best of
its knowledge) by checking the appropriate boxes that:

         (1) the Rights evidenced by this Right Certificate

                      |_|  are
                           or
                      |_|  are not

beneficially owned by an Acquiring Person or an Affiliate or Associate of an
Acquiring Person (as such terms are defined in the Rights Agreement); and

         (2) the undersigned

                      |_|  did
                           or
                      |_|  did not

acquire the Rights evidenced by this Right Certificate from any Person who, at
any time that such Person beneficially owned such Rights, is or was an Acquiring
Person or an Affiliate or Associate of an Acquiring Person.



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



                                     NOTICE

         The signature of the foregoing Assignment and Certificate must
correspond to the name as written upon the face of this Right Certificate in
every particular, without alteration or enlargement or any change whatsoever.

<PAGE>


                          FORM OF ELECTION TO EXERCISE

                  (To be executed if holder desires to exercise
                  Rights represented by the Right Certificate.)

TO:  SECURE COMPUTING CORPORATION

         The undersigned hereby irrevocably elects to exercise __________ Rights
represented by this Right Certificate to purchase the Preferred Shares issuable
upon the exercise of such Rights (or such other securities of the Company or of
any other person which may be issuable upon exercise of the Rights) and requests
that certificates for such shares be issued in the name of:

Please insert social security
or other identifying number

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

- --------------------------------------------------------------------------------
                         (Please print name and address)

If such number of Rights shall not be all the Rights evidenced by this Right
Certificate, a new Right Certificate for the balance remaining of such Rights
shall be registered in the name of and delivered to:

Please insert social security
or other identifying number


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

- --------------------------------------------------------------------------------
                         (Please print name and address)

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

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

<PAGE>


Signature Guaranteed:

         Signatures must be guaranteed by a member firm of a registered national
securities exchange, a member of the National Association of Securities Dealers,
Inc., or a commercial bank or trust company having an office or correspondent in
the United States or Canada or by an eligible guarantor institution (bank,
stockbroker, savings and loan association or credit union with membership in an
approved signature guarantee medallion program), pursuant to Rule 17Ad-15
promulgated under the Securities Exchange Act of 1934, as amended.

<PAGE>


                                   CERTIFICATE

         The undersigned hereby certifies (after due inquiry and to the best of
its knowledge) by checking the appropriate boxes that:

         (1) he Rights evidenced by this Right Certificate

                      |_|  are
                           or
                      |_|  are not

beneficially owned by an Acquiring Person or an Affiliate or Associate of an
Acquiring Person (as such terms are defined in the Rights Agreement); and

         (2) the undersigned

                      |_|  did
                           or
                      |_|  did not

acquire the Rights evidenced by this Right Certificate from any Person who, at
any time that such Person beneficially owned such Rights, is or was an Acquiring
Person or an Affiliate or Associate of an Acquiring Person.



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


                                     NOTICE

         The signature of the foregoing Election to Exercise and Certificate
must correspond to the name as written upon the face of this Right Certificate
in every particular, without alteration or enlargement or any change whatsoever.

<PAGE>


                                                                       EXHIBIT C

                          SUMMARY OF RIGHTS TO PURCHASE
                                PREFERRED SHARES
                                       OF
                          SECURE COMPUTING CORPORATION


         On July 24, 1997, the Board of Directors of Secure Computing
Corporation (the "Company"), declared a dividend of one preferred share purchase
right (a "Right") for each outstanding Common Share, $.01 par value (the "Common
Shares"), of the Company. The dividend is payable on August 15, 1997 (the
"Record Date") to stockholders of record on that date. The Board also authorized
the issuance of one Right for each Non-Voting Exchangeable Share (the
"Exchangeable Shares") of Secure Computing Canada Ltd. ("Secure Computing
Canada") outstanding on the Record Date. Rights issued with respect to the
Exchangeable Shares will be issued to The Bank of Nova Scotia Trust Company of
New York, as trustee (the "Trustee") for the benefit of Secure Computing Canada,
in order to enable Secure Computing Canada to effectuate the economic equivalent
to the holders of Exchangeable Shares of the Rights issued to the holders of
Common Shares as required under the Support Agreement by and between the Company
and Secure Computing Canada, dated as of August 29, 1996.

         Each Right entitles the registered holder to purchase from the Company
one one-hundredth of a Series B Junior Participating Preferred Share, $.01 par
value (the "Preferred Shares"), of the Company at a price of $50 per one
one-hundredth of a Preferred Share (the "Purchase Price"), subject to
adjustment. The description and terms of the Rights are set forth in a Rights
Agreement (the "Rights Agreement"), dated as of July 24, 1997, among the
Company, Norwest Bank Minnesota, National Association, as Rights Agent (the
"Rights Agent") and the Trustee.

         Initially, the Rights will attach to all certificates representing
Common Shares and will be held by the Trustee for the benefit of Secure
Computing Canada with respect to Exchangeable Shares then outstanding and no
separate Right Certificates will be distributed. The Rights will separate from
the Common Shares, will no longer be held by the Trustee for the benefit of
Secure Computing Canada and a Distribution Date for the Rights will occur upon
the earlier of:

                   (i) the close of business on the fifteenth day following a
public announcement that a person or group of affiliated or associated persons
has become an "Acquiring Person" (i.e., has become, subject to certain
exceptions, the beneficial owner of 15% or more of the outstanding Common
Shares, including Exchangeable Shares), or

                   (ii) the close of business on the fifteenth day following the
commencement or public announcement of a tender offer or exchange offer the
consummation of which would result in a person or group of affiliated or
associated persons becoming, subject to certain exceptions, the beneficial owner
of 15% or more of the outstanding Common Shares, including Exchangeable Shares
(or such later date as may be determined by the Board of Directors

<PAGE>


of the Company prior to a person or group of affiliated or associated persons
becoming an Acquiring Person).

Until the Distribution Date,

                   (i) the Rights will be evidenced by the Common Share
certificates and on the books and records of Secure Computing Canada and will be
transferred with and only with the Common Shares and, in the case of Rights held
by the Trustee for the benefit of Secure Computing Canada, at the direction of
Secure Computing Canada,

                   (ii) new Common Share certificates and Exchangeable Share
certificates issued after the Record Date upon transfer or new issuance of the
Common Shares or Exchangeable Shares will contain a notation incorporating by
reference, or in the case of Exchangeable Shares denoting, the Rights Agreement,
and

                   (iii) the surrender for transfer of any Common Share
certificate, even without such notation or a copy of this Summary of Rights
attached thereto, will also constitute the transfer of the Rights associated
with the Common Shares represented by such certificate.

As promptly as practicable following the Distribution Date, separate
certificates evidencing the Rights ("Right Certificates") will be mailed to
holders of record of the Common Shares as of the close of business on the
Distribution Date and to Secure Computing Canada or as Secure Computing Canada
directs and such separate Right Certificates alone will evidence the Rights.

         The Rights are not exercisable until the Distribution Date. The Rights
will expire on August 15, 2007, unless extended or earlier redeemed or exchanged
by the Company as described below.

         The Purchase Price payable, and the number of Preferred Shares or other
securities or property issuable, upon exercise of the Rights are subject to
adjustment from time to time to prevent dilution:

                   (i) in the event of a stock dividend on, or a subdivision,
combination or reclassification of, the Preferred Shares,

                   (ii) upon the grant to holders of the Preferred Shares of
certain rights, options or warrants to subscribe for or purchase Preferred
Shares or convertible securities at less than the then current market price of
the Preferred Shares, or

                   (iii) upon the distribution to holders of the Preferred
Shares of evidences of indebtedness or assets (excluding regular periodic cash
dividends or dividends payable in Preferred Shares) or of subscription rights or
warrants (other than those described in clause (ii) hereof).

<PAGE>


The number of Preferred Shares issuable upon the exercise of a Right is also
subject to adjustment in the event of a dividend on Common Shares payable in
Common Shares, or a subdivision, combination or consolidation of the Common
Shares.

         With certain exceptions, no adjustment in the Purchase Price will be
required until cumulative adjustments require an adjustment of at least 1% in
the Purchase Price. No fractional Preferred Shares will be issued (other than
fractional shares which are integral multiples of one one-hundredth (subject to
adjustment) of a Preferred Share, which may, at the election of the Company, be
evidenced by depositary receipts) if in lieu thereof a payment in cash is made
based on the closing price (pro-rated for the fraction) of the Preferred Shares
on the last trading date prior to the date of exercise.

         In the event that any person or group of affiliated or associated
persons becomes an Acquiring Person (unless such person first becomes an
Acquiring Person pursuant to a tender offer or exchange offer for all
outstanding Common Shares, including Exchangeable Shares, at a price and on
terms determined by the Board of Directors of the Company (prior to any change
in control of the Board of Directors) to be fair to the stockholders and
otherwise in the best interests of the Company and its stockholders and which
the Board of Directors recommends to the stockholders), proper provision shall
be made so that each holder of a Right, other than Rights that are or were
beneficially owned by the Acquiring Person (which will thereafter be void), will
thereafter have the right to receive upon exercise thereof at the then current
exercise price of the Right that number of Common Shares having a market value
of two times the exercise price of the Right, subject to certain possible
adjustments.

         In the event that, after the Distribution Date or within 15 days prior
thereto, the Company is acquired in certain mergers or other business
combination transactions (other than a transaction for at least the same
per-share consideration with a person who acquired Common Shares through a
tender offer or exchange offer for all outstanding Common Shares, including
Exchangeable Shares, approved by the Board of Directors in accordance with the
preceding paragraph or any wholly owned subsidiary of any such person) or 50% or
more of the assets or earning power of the Company and its subsidiaries (taken
as a whole) are sold after the Distribution Date or within 15 days prior thereto
in one or a series of related transactions, each holder of a Right (other than
Rights which have become void under the terms of the Rights Agreement) will
thereafter have the right to receive, upon exercise thereof at the then current
exercise price of the Right, that number of common shares of the acquiring
company (or, in certain cases, one of its affiliates) having a market value of
two times the exercise price of the Right.

         In certain events specified in the Rights Agreement, the Company is
permitted to temporarily suspend the exercisability of the Rights.

         At any time after a person or group of affiliated or associated persons
becomes an Acquiring Person (subject to certain exceptions) and prior to the
acquisition by a person or group

<PAGE>


of affiliated or associated persons of 50% or more of the outstanding Common
Shares, including Exchangeable Shares, the Board of Directors of the Company may
exchange all or part of the Rights (other than Rights which have become void
under the terms of the Rights Agreement) for Common Shares or equivalent
securities at an exchange ratio per Right equal to the result obtained by
dividing the exercise price of a Right by the current per share market price of
the Common Shares, subject to adjustment.

         At any time prior to the close of business on the twentieth day after a
public announcement that a person or group of affiliated or associated persons
has become an Acquiring Person, the Board of Directors of the Company may redeem
the Rights in whole, but not in part, at a price of $.001 per Right, subject to
adjustment (the "Redemption Price"), payable in cash; provided, however, that
such redemption may occur after any person becomes an Acquiring Person only if
there has not been a change in control of the Board of Directors of the Company.
The period of time during which the Rights may be redeemed may be extended by
the Board of Directors of the Company if no such change of control has occurred
or if no person has become an Acquiring Person. The redemption of the Rights may
be made effective at such time, on such basis and with such conditions as the
Board of Directors in its sole discretion may establish. The Board of Directors
and the Company shall not have any liability to any person as a result of the
redemption or exchange of the Rights pursuant to the provisions of the Rights
Agreement. The Rights are not exercisable for Common Shares or Preferred Shares,
and the Distribution Date shall not occur, until the Company's right to redeem
the Rights shall have expired.

         The terms of the Rights may be amended by the Board of Directors of the
Company, subject to certain limitations after the Distribution Date, without the
consent of the holders of the Rights, including an amendment prior to the date a
person or group of affiliated or associated persons becomes an Acquiring Person
to lower the 15% threshold for exercisability of the Rights to not less than the
greater of (i) the sum of .001% and the largest percentage of the outstanding
Common Shares, including Exchangeable Shares, then known by the Company to be
beneficially owned by any person or group of affiliated or associated persons
(subject to certain exceptions) or (ii) 10%.

         Until a Right is exercised, the holder thereof, as such, will have no
rights as a stockholder of the Company, including, without limitation, the right
to vote or to receive dividends.

         A copy of the Rights Agreement has been filed with the Securities and
Exchange Commission as an Exhibit to a Registration Statement on Form 8-A dated
__________, 1997. A copy of the Rights Agreement is available free of charge
from the Company by contacting the Chief Financial Officer at Secure Computing
Corporation, 2675 Long Lake Road, Roseville, Minnesota 55113. This summary
description of the Rights does not purport to be complete and is qualified in
its entirety by reference to the Rights Agreement, which is hereby incorporated
herein by reference.



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