Document:

EXHIBIT
10.16

 

 

 

 

 

 

 

 

 

 

 

 

IHOP CORP

Executive Incentive Plan

2001

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Effective Date

The Executive Incentive Plan is effective January 1, 2001 and
supersedes all previously implemented plans.

 

Modification
of the Plan

IHOP Corp. and its subsidiaries reserve the right to modify, terminate,
or make exceptions to the Executive Incentive Plan (“Plan”) at any time without
prior notice.  The Plan will be reviewed
on an annual basis allowing for updates or revisions to be considered.  The Plan and this Plan Document do not
constitute or imply an employment contract, and participants accrue no
interest, right, or any benefit in the Plan, except as specifically set forth
in this document.

 

Eligibility

The Plan includes the President, Vice Presidents, and all director
level reports to the Vice Presidents or President, including legal counsels of
IHOP Corp. and its subsidiaries; except those otherwise covered by another
plan. Any director level employee not qualifying under the previous conditions
may become eligible with the written approval of the President.  Participants must be actively employed with
IHOP Corp. and its subsidiaries through the end of the applicable year of the
incentive plan.  The Company’s Plan Year
is based on IHOP’s fiscal year.  The
last day worked is the last day that an employee is considered active.  In the case of termination, vacation or
other payments can not be used to extend the last day worked.

 

NOTE: 
All information determining an employee’s position and location will be retrieved
from the HRIS system.  Therefore, it is
imperative that information regarding changes in employee status, position, and
location is received by the Personnel Records Department in a timely manner.

 

New
Hires/Re-Hires

New hires and rehires will have a prorated incentive based on the
number of whole months worked in a fiscal year. Incentive eligibility begins
with the first complete calendar month worked in an eligible position.  If the participant begins work on the first
calendar or workday of the month, credited will be for a full month worked.

 

Promotions
/ Demotions/Position Change

Any employee moved from a non-eligible position to an eligible position
during the fiscal year will have an incentive based on the number of whole
months worked in the fiscal year.  If
the participant is promoted on the first calendar or workday of the month,
credit will be for a full month worked. The effective date of the promotion
will be used to determine the number of whole months worked.  Eligibility begins with the first full month
in the eligible position.

 

When an employee is moved from one eligible position to another, the
incentive will be based on the prior position until the first whole month in
the new position begins.  Once the first
full month in the new position begins the incentive will then be based on that
new position.

 

When an employee is moved from an eligible position to a non-eligible
position the incentive will be based on the prior eligible position until the
first whole month in the new position begins. 
Once the first full month in the new position begins the participant is
no longer eligible for this Plan.

 

Short-Term
or Long-Term Disability, Workers’ Compensation, and other Leaves of Absence

Any participant on leave of absence or otherwise not actively working
during the fiscal year will have an incentive prorated excluding the period on
leave.  The date the leave is effective
and the date ending leave will be used to calculate the number of whole months
worked in the fiscal year.  This incentive
will only be paid upon the employee’s return to active duty.

 

 

2

 

Termination
Due to Death or Retirement

Any incentive earned will be prorated for the fiscal year based upon
actual number of whole months worked and paid simultaneously with the normal
distribution of incentives.

 

Plan
Description

The Executive Incentive Plan is an annual incentive based on the
profitability growth of IHOP Corp. and the achievement of specific individual
business objectives of the participants.

 

Determining
Incentive

The incentive award is a percentage of base salary which is dependent
on the position of the participant (see “Bonus Allocation Table”).  The Target Payout % multiplied by the
participants base salary on the last day of the fiscal year is the Target
Incentive in dollars.  Any eligible
participant that is not an Officer will have an incentive based on the
Directors Target Payout as a percentage of Base Salary.  The incentive weighting for the CEO,
Executive Vice President, and Vice Presidents is solely based on Company
Performance.  The incentive weighting
for Directors is 40% Individual Business Objectives and 60% Company
Performance.  The incentive weighting
for Division Vice Presidents is 50% Company Performance, and 50%
Division Performance.

 

	
  BONUS
  ALLOCATION TABLE

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
  

  

  CEO

  	
   

  	
  EXECUTIVE

  VICE

  PRESIDENT

  	
   

  	
  

  VICE

  PRESIDENTS

  	
   

  	
  

  

  DIRECTORS

  	
   

  
	
  TARGET PAYOUT AS A% OF BASE SALARY

  	
   

  	
  60

  	
  %

  	
  50

  	
  %

  	
  35

  	
  %

  	
  20

  	
  %

  

 

Incentive
Payout Calculation

The incentive payout is based solely on performance, therefore no
limiting factors will be used in calculating the incentive. The Level of
Performance is always based on the last whole percentage actually achieved.

 

Examples
of incentive calculations in various scenarios are attached to the Plan
Document.

 

Company
Performance

The Company Performance is based on a comparison of the actual profit
before taxes, bonus, and extraordinary items to the budgeted figure for the
Plan Year.   To determine the Profit
Achievement for the organization, divide the actual profit before taxes, bonus,
and extra ordinary items by the budgeted profit before taxes, bonus, and
extraordinary items.  Refer to the
“Company/Division Payout Table” to determine the bonus achieved for the Company
portion of the incentive.  The bonus
achieved is multiplied by the percentage weighting for the respective position
(see “Determining Incentive” above) and then multiplied by the individual’s
base salary to determine the company portion of the payout.

 

3

 

Company/Division Payout Table

 

	
  Actual Profit Achieved

  	
   

  	
  % of Bonus Achieved

  	
   

  
	
  Less than 95.0%

  	
   

  	
  0

  	
  %

  
	
  95.0 — 95.9%

  	
   

  	
  50.0

  	
  %

  
	
  96.0 — 96.9%

  	
   

  	
  60.0

  	
  %

  
	
  97.0 — 97.9%

  	
   

  	
  70.0

  	
  %

  
	
  98.0 — 98.9%

  	
   

  	
  80.0

  	
  %

  
	
  99.0 — 99.9%

  	
   

  	
  90.0

  	
  %

  
	
  100.0 —100.9%

  	
   

  	
  100.0

  	
  %

  
	
  101.0 —101.9%

  	
   

  	
  105.0

  	
  %

  
	
  102.0 —102.9%

  	
   

  	
  110.0

  	
  %

  
	
  103.0 —103.9%

  	
   

  	
  115.0

  	
  %

  
	
  104.0 —104.9%

  	
   

  	
  120.0

  	
  %

  
	
  105.0 —105.9%

  	
   

  	
  125.0

  	
  %

  
	
  106.0 —106.9%

  	
   

  	
  130.0

  	
  %

  
	
  107.0 —107.9%

  	
   

  	
  135.0

  	
  %

  
	
  108.0 —108.9%

  	
   

  	
  140.0

  	
  %

  
						

 

Individual
Business Objectives

Annually, each Director who participates in the plan sets individual
business objectives in conjunction with his or her immediate supervisor in
December of each year.  During this
process challenging, measurable objectives that significantly impact the
Company business objectives are to be mutually determined.  After the fiscal year, a percentage of
Achievement is then established by the immediate supervisor and approved by the
CEO.  This percentage of Achievement is
multiplied by the percentage weighting for the respective position (see
“Determining Incentive”) and then multiplied by the individual’s base salary to
determine the individual portion of the payout.

 

In addition to the calculated individual portion of the incentive, an
award may be granted at the discretion of the President to individuals
exceeding expected levels of performance.

 

Payment
Distribution

Incentive payouts will be distributed within 90 days following the
close of the fiscal year for which the incentive was earned.  Payouts will be paid in a separate check from
the regular payroll check, and are subject to normal withholding deductions.

 

Plan
Administration

The Executive Incentive Plan is administered by the IHOP Human
Resources Department.  This Plan
Document and its provisions regulate all plan guidelines and participant
eligibility.  Any exception must be
submitted in writing to the Human Resources Department and must be approved by
the President.

 

 

4

 

 

 

 

 

 

 

 

 

INCENTIVE CALCULATION SCENARIOS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

Example
#1: Low Individual Achiever & Low Company

 

Assume a Director has a Base Salary of $100,000.

 

Individual
Component

The Individual Performance (IBOs) was reviewed and found 1 out of 4
goals were achieved.  The Individual
Component is thus 25%.

 

Company
Component

Profit Before Taxes, Bonus, and Extraordinary Items for the year is 98%
of the Target Amount. Therefore, the Bonus Achieved is 80% for the Company
Component (see “Company/Division Payout Table” on page 4 of the Plan).

 

Step # 1  —
Target  Payout

 

	
  Base Salary

  	
  *

  	
   

  	
  Target Payout %

  	
  =

  	
   

  	
  Target Payout

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  $100,000

  	
  *

  	
   

  	
  (20%)

  	
  =

  	
   

  	
  $20,000

  	
   

  

 

 

Step # 2 - Individual Payout

 

	
  Individual

  	
  *

  	
   

  	
  Weighted as 40%

  	
  =

  	
   

  	
  Individual Payout

  	
   

  
	
  Component

  	
   

  	
   

  	
  of Target Payout

  	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  25%

  	
  *

  	
   

  	
  (40% * $20,000)

  	
  =

  	
   

  	
  $2,000

  	
   

  

 

 

Step # 3 - Company Payout

 

	
  Company

  	
  *

  	
   

  	
  Weighted as 60%

  	
  =

  	
   

  	
  Company Target

  	
   

  
	
  Component

  	
   

  	
   

  	
  of Target Payout

  	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  80%

  	
  *

  	
   

  	
  (60% * $20,000)

  	
  =

  	
   

  	
  $9,600

  	
   

  

 

 

Step # 4 - Incentive Payout

 

	
  Individual

  	
  +

  	
   

  	
  Company Payout

  	
  =

  	
   

  	
  Incentive Payout

  	
   

  
	
  Payout

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  $2,000

  	
  +

  	
   

  	
  $9,600

  	
  =

  	
   

  	
  $11,600

  	
   

  

 

 

6

 

Example
#2: High Individual Achiever & High Company

 

Assume a Director has a Base Salary of $100,000.

 

Individual
Component

The Individual Performance (IBOs) was reviewed and found 3 out of 3
goals were achieved.  The Individual
Component is thus 100%.

 

Company
Component

Profit Before Taxes, Bonus, and Extraordinary Items for the year is
104% of the Target Amount. Therefore, the Bonus Achieved is 120% for the
Company Component (see “Company/Division Payout Table” on page 4 of the Plan).

 

Step # 1  —
Target  Payout

 

	
  Base Salary

  	
  *

  	
   

  	
  Target Payout %

  	
  =

  	
   

  	
  Target Payout

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  $100,000

  	
  *

  	
   

  	
  (20%)

  	
  =

  	
   

  	
  $20,000

  	
   

  

 

 

Step # 2 - Individual Payout

 

	
  Individual

  	
  *

  	
   

  	
  Weighted as 40%

  	
  =

  	
   

  	
  Individual Payout

  	
   

  
	
  Component

  	
   

  	
   

  	
  of Target Payout

  	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  100%

  	
  *

  	
   

  	
  (40% * $20,000)

  	
  =

  	
   

  	
  $8,000

  	
   

  

 

 

Step # 3 - Company Payout

 

	
  Company

  	
  *

  	
   

  	
  Weighted as 60%

  	
  =

  	
   

  	
  Company Target

  	
   

  
	
  Component

  	
   

  	
   

  	
  of Target Payout

  	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  120%

  	
  *

  	
   

  	
  (60% * $20,000)

  	
  =

  	
   

  	
  $14,400

  	
   

  

 

 

Step # 4 - Incentive Payout

 

	
  Individual

  	
  +

  	
   

  	
  Company Payout

  	
  =

  	
   

  	
  Incentive Payout

  	
   

  
	
  Payout

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  $8,000

  	
  +

  	
   

  	
  $14,400

  	
  =

  	
   

  	
  $22,400

  	
   

  

 

 

7<Page>

                                                                     EXHIBIT 4.1

                                RIGHTS AGREEMENT

                          DATED MARCH 11, 2002, BETWEEN

                                 PLANETCAD INC.

                                       AND

                        WELLS FARGO BANK MINNESOTA, N.A.

<Page>

                                TABLE OF CONTENTS

<Table>
<Caption>
                                                                                              Page
<S>     <C>                                                                                <C>
Section 1.    Certain Definitions...........................................................1
Section 2.    Appointment of Rights Agent...................................................5
Section 3.    Issue of Rights Certificates..................................................5
Section 4.    Form of Rights Certificates...................................................7
Section 5.    Countersignature and Registration.............................................7
Section 6.    Transfer, Split Up, Combination and Exchange of Rights Certificates;
              Mutilated, Destroyed, Lost or Stolen Rights Certificates......................8
Section 7.    Exercise of Rights; Purchase Price; Expiration Date of Rights.................9
Section 8.    Cancellation and Retirement of Rights Certificates............................11
Section 9.    Reservation and Availability of Capital Stock.................................11
Section 10.   Preferred Stock Record Date...................................................12
Section 11.   Adjustment of Purchase Price, Number and Kind of Shares or Number of Rights...13
Section 12.   Certificate of Adjusted Purchase Price or Number of Shares....................21
Section 13.   Consolidation, Merger or Sale or Transfer of Assets or Earning Power..........21
Section 14.   Fractional Rights and Fractional Shares.......................................23
Section 15.   Rights of Action..............................................................25
Section 16.   Agreement of Rights Holders...................................................25
Section 17.   Rights Certificate Holder Not Deemed a Stockholder............................26
Section 18.   Duties of Rights Agent........................................................26
Section 19.   Compensation and Indemnification of the Rights Agent..........................28
Section 20.   Merger or Consolidation or Change of Name of Rights Agent.....................29
Section 21.   Change of Rights Agent........................................................29
Section 22.   Issuance of New Rights Certificates...........................................30
Section 23.   Redemption....................................................................30
Section 24.   Exchange......................................................................32
Section 25.   Notice of Certain Events......................................................33
Section 26.   Notices.......................................................................33
Section 27.   Supplements and Amendments....................................................34
Section 28.   Successors....................................................................35
Section 29.   Determinations and Actions by the Board, etc..................................35
Section 30.   Benefits of this Agreement....................................................35
Section 31.   Severability..................................................................35
Section 32.   Governing Law.................................................................36
Section 33.   Counterparts..................................................................36
Section 34.   Descriptive Headings..........................................................36
</Table>

                                       i

<Page>

                                RIGHTS AGREEMENT

         Rights Agreement, dated as of March 11, 2002 (the "Agreement"), between
PlanetCAD Inc., a Delaware corporation (the "Company"), and Wells Fargo Bank
Minnesota, N.A. (the "Rights Agent"). Capitalized terms used and not otherwise
defined herein shall have the meanings ascribed to such terms in Section 1 of
this Agreement.

         WHEREAS, on the Rights Dividend Declaration Date the Board authorized
and declared a dividend of one Right for each share of Common Stock of the
Company outstanding at the Close of Business on the Record Date, and has
authorized the issuance of one Right (as such number may hereafter be adjusted
pursuant to Section 11(p) hereof) with respect to each share of Common Stock of
the Company issued between the Record Date (whether originally issued or
delivered from the Company's treasury) and the Distribution Date, each Right
initially representing the right to purchase one one-thousandth of a share of
Series A Junior Participating Preferred Stock of the Company having the rights,
powers and preferences set forth in the form of Certificate of Designation,
Preferences and Rights attached hereto as EXHIBIT A, upon the terms and subject
to the conditions hereinafter set forth ("Rights").

         NOW, THEREFORE, 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 who or which, together
with all Affiliates and Associates of such Person, shall be the Beneficial Owner
of 15% or more of the shares of Common Stock then outstanding, but shall not
include (i) the Company, (ii) any Subsidiary of the Company, or (iii) any
employee benefit plan of the Company or any Subsidiary of the Company, or any
Person holding shares of Common Stock for or pursuant to the terms of any such
plan to the extent, and only to the extent, of such shares so held.

         (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 Exchange Act.

         (c) "Adjustment Shares" shall have the meaning set forth in Section
11(a)(ii) hereof.

         (d) A Person shall be deemed the "Beneficial Owner" of and shall be
deemed to "beneficially own" any securities:

             (i) which such Person or any of such Person's Affiliates or
     Associates, directly or indirectly, has the right to acquire (whether such
     right is exercisable

<Page>

     immediately or only after the passage of time) pursuant to any agreement,
     arrangement or understanding (whether or not in writing), or upon the
     exercise of conversion rights, exchange rights, other rights (other than
     these Rights), warrants or options, or otherwise; PROVIDED, HOWEVER, that a
     Person shall not be deemed the "Beneficial Owner" of, or to "beneficially
     own", (A) securities 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) securities issuable upon exercise of Rights at any time
     prior to the occurrence of a Triggering Event, or (C) securities issuable
     upon exercise of Rights from and after the occurrence of a Triggering Event
     which Rights were acquired by such Person or any of such Person's
     Affiliates or Associates prior to the Distribution Date or pursuant to
     Section 3(a) or Section 22 hereof (the "Original Rights") or pursuant to
     Section 11(i) hereof in connection with an adjustment made with respect to
     any Original Rights;

          (ii) which such Person or any of such Person's Affiliates or
     Associates, directly or indirectly, has the right to vote or dispose of or
     has "beneficial ownership" of (as determined pursuant to Rule 13d-3 of the
     General Rules and Regulations under the Exchange Act), including 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, any security under this subparagraph (ii) as a
     result of an agreement, arrangement or understanding to vote such security
     if such agreement, arrangement or understanding: (A) arises solely from a
     revocable proxy given in response to a public proxy or consent solicitation
     made pursuant to, and in accordance with, the applicable provisions of the
     General Rules and Regulations under the Exchange Act, and (B) is not also
     then reportable by such Person on Schedule 13D under the Exchange Act (or
     any comparable or successor report); 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 (whether or not in writing), for the purpose
     of acquiring, holding, voting (except pursuant to a revocable proxy as
     described in the proviso to subparagraph (ii) of this paragraph (d)) or
     disposing of any voting securities of the Company;

PROVIDED, HOWEVER, that nothing in this paragraph (d) shall cause a person
engaged in business as an underwriter of securities to be the "Beneficial Owner"
of, or to "beneficially own," any securities acquired through such person's
participation in good faith in a firm commitment underwriting until the
expiration of forty days after the date of such acquisition.

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

         (f) "Business Day" shall mean any day other than a Saturday, Sunday, or
a day on which banking institutions in the State of Colorado or the state in
which the principal office of the Rights Agent is located are authorized or
obligated by law or executive order to close.

                                       2
<Page>

         (g) "Close of Business" on any given date shall mean 5:00 P.M. in the
state in which the principal office of the Rights Agent is located on such date;
PROVIDED, HOWEVER, that if such date is not a Business Day it shall mean 5:00
P.M. in the state in which the principal office of the Rights Agent is located
on the next succeeding Business Day.

         (h) "Common Stock" when used with reference to the Company shall mean
the shares of common stock, par value $.01 per share, of the Company. "Common
Stock" when used with reference to any Person other than the Company shall mean
the class of capital stock with the greatest aggregate voting power, or the
class of equity securities or other equity interests having power to control or
direct the management, of such Person.

         (i) "Company" shall have the meaning set forth in the preamble and
Section 13(a) hereof.

         (j) "Current Value" shall have the meaning set forth in Section
11(a)(iii) hereof.

         (k) "Distribution Date" shall mean the earlier of (i) the Close of
Business on the tenth Business Day after the Stock Acquisition Date (or, if the
tenth Business Day after the Stock Acquisition Date occurs before the Record
Date, the Close of Business on the Record Date), or (ii) the Close of Business
on the tenth Business Day (or, if such tenth Business Day occurs before the
Record Date, the Close of Business on the Record Date), or such specified or
unspecified later date on or after the Record Date as may be determined by
action of the Board prior to such time as any Person becomes an Acquiring
Person, after the date that a tender or exchange offer by any Person (other than
the Company, any Subsidiary of the Company or any employee benefit plan of the
Company or of any Subsidiary of the Company or any Person or entity holding
shares of Common Stock for or pursuant to the terms of any such plan) is first
published or sent or given within the meaning of Rule 14d-2(a) of the General
Rules and Regulations under the Exchange Act, if upon consummation thereof, such
Person would be the Beneficial Owner of 15% or more of the outstanding shares of
Common Stock.

         (l) "Exchange Act" shall mean the Securities Exchange Act of 1934, as
amended, as in effect on the date of this Agreement.

         (m) "Exchange Ratio" shall have the meaning set forth in Section 24(a)
hereof.

         (n) "Expiration Date" shall have the meaning set forth in Section 7(a)
hereof.

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

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

                                       3
<Page>

         (q) "Preferred Stock" shall mean shares of Series A Junior
Participating Preferred Stock, par value $.01 per share, of the Company.

         (r) "Principal Party" shall have the meaning set forth in Section 13(b)
hereof.

         (s) "Purchase Price" shall have the meaning set forth in Sections 7(b),
11(a)(ii) and 13(a) hereof.

         (t) "Record Date" shall mean the Close of Business on March 21, 2002.

         (u) "Redemption Period" shall have the meaning set forth in Section
23(a) hereof.

         (v) "Redemption Price" shall have the meaning set forth in Section
23(a) hereof.

         (w) "Rights" shall have the meaning set forth in the recital.

         (x) "Rights Agent" shall have the meaning set forth in the preamble.

         (y) "Rights Certificate" shall have the meaning set forth in Section
3(d) hereof.

         (z) "Rights Dividend Declaration Date" shall mean the Close of Business
on March 8, 2002.

         (aa) "Section 11(a)(ii) Event" shall mean any event described in
Section 11(a)(ii) hereof.

         (bb) "Section 11(a)(ii) Trigger Date" shall have the meaning set forth
in Section 11(a)(iii) hereof.

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

         (dd) "Securities Act" shall mean the Securities Act of 1933, as
amended, as in effect on the date of this Agreement.

         (ee) "Spread" shall have the meaning set forth in Section 11(a)(iii)
hereof.

         (ff) "Stock 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.

                                       4
<Page>

         (gg) "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 equity interests is owned, directly or indirectly, by such Person, or is
otherwise controlled by such Person.

         (hh) "Substitution Period" shall have the meaning set forth in Section
11(a)(iii) hereof.

         (ii) "Trading Day" shall have the meaning set forth in Section 11(d)(i)
hereof.

         (jj) "Triggering Event" shall mean any Section 11(a)(ii) Event or any
Section 13 Event.

     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 hereof,
shall prior to the Distribution Date also be the holders of the Common Stock) in
accordance with the terms and conditions hereof, 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 RIGHTS CERTIFICATES.

         (a) As promptly as practicable following the Record Date, the Company
will send a copy of a Summary of Rights to Purchase Preferred Stock, in
substantially the form attached hereto as EXHIBIT B, by first-class, postage
prepaid mail, to each record holder of Common Stock as of the Close of Business
on the Record Date at the address of such holder shown on the records of the
Company. With respect to certificates for shares of Common Stock outstanding as
of the Record Date, until the Distribution Date, the Rights will be evidenced by
such certificates for the Common Stock and the registered holders of the Common
Stock shall also be the registered holders of the associated Rights. Until the
Distribution Date (or the earlier Expiration Date or Final Expiration Date), the
transfer of any certificate representing shares of Common Stock in respect of
which Rights have been issued shall also constitute the transfer of the Rights
associated with the shares of Common Stock represented thereby.

         (b) Rights shall be issued in respect of all shares of Common Stock
issued (whether originally issued or from the Company's treasury) after the
Record Date but prior to the earliest of the Distribution Date, the Expiration
Date or the Final Expiration Date. Rights shall also be issued to the extent
provided in Section 22 in respect of all shares of Common Stock which are issued
(whether originally issued or from the Company's treasury) after the
Distribution Date and prior to the Expiration Date. Certificates representing
such shares of Common Stock shall also be deemed to be certificates for Rights,
and shall bear the following legend:

         This certificate also evidences and entitles the holder hereof to
         certain Rights as set forth in a Rights Agreement between PlanetCAD
         Inc. (the "Company") and Wells

                                       5
<Page>

         Fargo Bank Minnesota, N.A. dated as of March 11, 2002 (the "Rights
         Agreement"), the terms of which are hereby incorporated herein by
         reference and a copy of which is on file 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 as in effect on the date of mailing without charge
         after receipt of a written request therefor.

         Under certain circumstances set forth in the Rights Agreement, Rights
         issued to, or held by, any Person who is, was or becomes an Acquiring
         Person or any Affiliate or Associate thereof (as such terms are defined
         in the Rights Agreement), whether currently held by or on behalf of
         such Person or by any subsequent holder, may become null and void. The
         Rights shall not be exercisable, and shall be void so long as held, by
         a holder in any jurisdiction where the requisite qualification of the
         issuance to such holder, or the exercise by such holder, of the Rights
         in such jurisdiction shall not have been obtained or be obtainable.

With respect to such certificates containing the foregoing legend, until the
earlier of (i) the Distribution Date or (ii) the Expiration Date, the Rights
associated with the Common Stock represented by such certificates shall be
evidenced by such certificates alone and registered holders of Common Stock
shall also be the registered holders of the associated Rights, and the transfer
of any such certificate shall also constitute the transfer of the Rights
associated with the Common Stock represented thereby.

         (c) Until the Distribution Date (i) the Rights will be evidenced
(subject to the provisions of paragraph (a) of this Section 3) by the
certificates for Common Stock registered in the names of the holders thereof
(which certificates for Common Stock shall also be deemed to be Rights
Certificates) and not by separate Rights Certificates, and (ii) the Rights will
be transferable only in connection with the transfer of the underlying shares of
Common Stock (including a transfer to the Company).

         (d) As soon as practicable after the Distribution Date, the Rights
Agent will send by first-class, insured, postage prepaid mail, to each record
holder of Common Stock as of the Close of Business on the Distribution Date, at
the address of such holder shown on the records of the Company, a certificate,
in substantially the form of EXHIBIT C hereto (a "Rights Certificate"),
evidencing one Right for each share of Common Stock so held, subject to
adjustment as provided herein. In the event that an adjustment in the number of
Rights per share of Common Stock has been made pursuant to Section 11(p) hereof,
at the time of distribution of the Rights Certificates, the Company shall make
necessary and appropriate rounding adjustments (in accordance with Section 14(a)
hereof) so that Rights Certificates representing only whole numbers of Rights
are distributed and cash is paid in lieu of any fractional Rights. As of and
after the Distribution Date, the Rights will be evidenced solely by such Right
Certificates.

                                       6
<Page>

     SECTION 4. FORM OF RIGHTS CERTIFICATES.

         (a) The Rights Certificates (and the forms of election to purchase and
of assignment to be printed on the reverse thereof) shall be in substantially
the form of EXHIBIT C 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 or with
any rule or regulation made pursuant thereto or with any rule or regulation of
any stock exchange on which the Rights may from time to time be listed, or to
conform to usage. Subject to the provisions of Section 11 and Section 22 hereof,
the Rights Certificates, whenever issued, shall be dated as of the Record Date,
and on their face shall entitle the holders thereof to purchase such number of
one one-thousandths of a share of Preferred Stock as shall be set forth therein
at the Purchase Price, but the amount and type of securities purchasable upon
exercise of each Right and the Purchase Price thereof shall be subject to
adjustment as provided herein.

         (b) Any Rights Certificate issued pursuant to Section 3(d) or Section
22 hereof that represents Rights beneficially owned by: (i) an Acquiring Person
or any Associate or Affiliate of an Acquiring Person; (ii) a transferee of an
Acquiring Person (or of any such Associate or Affiliate) who becomes a
transferee after the Acquiring Person becomes such; or (iii) a transferee of an
Acquiring Person (or of any such Associate or Affiliate) who becomes a
transferee prior to or concurrently with the Acquiring Person becoming such and
receives such Rights pursuant to either (A) a transfer (whether or not for
consideration) from the Acquiring Person to holders of equity interests in such
Acquiring Person or to any Person with whom such Acquiring Person has any
continuing agreement, arrangement or understanding regarding the transferred
Rights or (B) a transfer which a majority of the Board has determined is part of
a plan, arrangement or understanding which has as a primary purpose or effect
avoidance of Section 7(e) hereof, and any Rights Certificate issued pursuant to
Section 6 or Section 11 hereof upon transfer, exchange, replacement or
adjustment of any other Rights Certificate referred to in this sentence, shall
contain (to the extent feasible) the following legend:

         The Rights represented by this Rights Certificate are or were
         beneficially owned by a Person who was or became an Acquiring Person or
         an Affiliate or Associate of an Acquiring Person (as such terms are
         defined in the Rights Agreement between PlanetCAD Inc. and Wells Fargo
         Bank Minnesota, N.A. dated as of March 11, 2002 (the "Rights
         Agreement")). Accordingly, this Rights Certificate and the Rights
         represented hereby may become null and void in the circumstances
         specified in Section 7(e) of such Rights Agreement.

     SECTION 5. COUNTERSIGNATURE AND REGISTRATION.

         (a) The Rights Certificates shall be executed on behalf of the Company
by its President or a Vice-President either manually or by facsimile signature,
and have affixed thereto the Company's seal or a facsimile thereof which shall
be attested by the Secretary or an Assistant Secretary or the Treasurer or an
Assistant Treasurer of the Company, either manually or by facsimile signature.
The Rights Certificates shall be manually countersigned by the Rights Agent

                                       7
<Page>

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 Rights Certificates
shall cease to be such officer of the Company before countersignature by the
Rights Agent and issuance and delivery by the Company, such Rights 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 Rights Certificates had not ceased to be such officer of the Company; and
any Rights Certificate may be signed on behalf of the Company by any person who,
at the actual date of the execution of such Rights Certificate, shall be a
proper officer of the Company to sign such Rights 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 offices designated as the
appropriate place for surrender of Rights Certificates upon exercise or
transfer, books for registration and transfer of the Rights Certificates issued
hereunder. Such books shall show the names and addresses of the respective
holders of the Rights Certificates, the number of Rights evidenced on its face
by each of the Rights Certificates and the date of each of the Rights
Certificates.

     SECTION  6. TRANSFER, SPLIT UP, COMBINATION AND EXCHANGE OF RIGHTS
                 CERTIFICATES; MUTILATED, DESTROYED, LOST OR STOLEN RIGHTS
                 CERTIFICATES.

         (a) Subject to the provisions of Section 4(b), Section 7(e) and Section
14 hereof, 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 Expiration Date or
Final Expiration Date, any Rights Certificate or Certificates may be
transferred, split up, combined or exchanged for another Rights Certificate or
Certificates, entitling the registered holder to purchase a like number of one
one-thousandths of a share of Preferred Stock (or following a Triggering Event,
Common Stock, other securities, cash, or other assets, as the case may be) as
the Rights Certificate or 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 Rights Certificate shall
make such request in writing delivered to the Rights Agent, and shall surrender
the Rights Certificate or Certificates to be transferred, split up, combined or
exchanged at the principal office of the Rights Agent. Neither the Rights Agent
nor the Company shall be obligated to take any action whatsoever with respect to
the transfer of any such surrendered Rights Certificate until the registered
holder shall have completed and signed the certificate contained in the form of
assignment on the reverse side of such Rights Certificate and shall have
provided such additional evidence of the identity of the Beneficial Owner (or
former Beneficial Owner) or Affiliates or Associates thereof as the Company
shall reasonably request. Thereupon the Rights Agent shall, subject to Section
4(b), Section 7(e) and Section 14 hereof, countersign and deliver to the person
entitled thereto a Rights Certificate or Certificates, as the case may be, as so
requested. The Company may require payment 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 Rights Certificates.

                                       8
<Page>

         (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 Rights Certificate, and, in case of loss, theft or destruction, of indemnity
or security reasonably satisfactory to them, and, at the Company'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 Rights Certificate if mutilated, the Company will execute and deliver a new
Rights Certificate of like tenor to the Rights Agent for countersignature and
delivery to the registered owner in lieu of the Rights Certificate so lost,
stolen, destroyed or mutilated.

     SECTION 7. EXERCISE OF RIGHTS; PURCHASE PRICE; EXPIRATION DATE OF RIGHTS.

         (a) Subject to Section 7(e) hereof, the registered holder of any Rights
Certificate may exercise the Rights evidenced thereby (except as otherwise
provided herein including, without limitation, the restrictions on
exercisability set forth in Section 9(c), Section 11(a)(iii) and Section 23(a)
hereof) in whole or in part at any time after the Distribution Date upon
surrender of the Rights Certificate, with the form of election to purchase and
the certificate on the reverse side thereof duly executed, to the Rights Agent
at the principal office of the Rights Agent, together with payment of the
Purchase Price for each one one-thousandth of a share of Preferred Stock (or
following a Triggering Event, Common Stock, other securities, cash or other
assets, as the case may be) as to which the Rights are exercised, prior to the
earliest of (i) the Close of Business on March 8, 2012 (the "Final Expiration
Date"), (ii) the time at which the Rights are redeemed as provided in Section 23
hereof, (iii) the time at which such Rights are exchanged as provided in Section
24 hereof, and (iv) the time at which the Rights expire pursuant to Section
13(d) hereof (the earliest of (i), (ii), (iii) and (iv) being herein referred to
as the "Expiration Date").

         (b) Each Right shall entitle the registered holder thereof to purchase
one one-thousandth of a share of Preferred Stock, and the purchase price for
each one one-thousandth of a share of Preferred Stock pursuant to the exercise
of a Right shall initially be $5.00, and shall be subject to adjustment from
time to time as provided in Sections 11 and 13 hereof and shall be payable in
lawful money of the United States of America in accordance with paragraph (c)
below (the "Purchase Price").

         (c) Upon receipt of a Rights Certificate representing exercisable
Rights, with the form of election to purchase and the certificate duly executed,
accompanied by payment, with respect to each Right so exercised, of the Purchase
Price per one one-thousandth of a share of Preferred Stock (or Common Stock,
other securities, cash or other assets, as the case may be) to be purchased and
an amount equal to any applicable transfer tax in cash, or by certified check,
cashier's check or bank draft payable to the order of the Company, the Rights
Agent shall, subject to Section 18(j) hereof, thereupon promptly (i) (A)
requisition from any transfer agent of the shares of Preferred Stock (or make
available, if the Rights Agent is the transfer agent) certificates for the total
number of one one-thousandths of a share of Preferred Stock 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 shares of Preferred Stock issuable upon exercise of the Rights
hereunder with a depositary agent,

                                       9
<Page>

requisition from the depositary agent depositary receipts representing such
number of one one-thousandths of a share of Preferred Stock as are to be
purchased (in which case certificates for the shares of Preferred Stock
represented by such receipts shall be deposited by the transfer agent with the
depositary agent) and the Company will direct the depositary to comply with such
request, (ii) requisition from the Company the amount of cash, if any, to be
paid in lieu of issuance of fractional shares in accordance with Section 14,
(iii) promptly 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
Rights Certificate, registered in such name or names as may be designated by
such holder and (iv) after receipt thereof, promptly deliver such cash, if any,
to or upon the order of the registered holder of such Rights Certificate. In the
event that the Company is obligated to issue other securities (including Common
Stock) of the Company, pay cash and/or distribute other property pursuant to
Section 11(a) hereof, the Company will make all arrangements necessary so that
such securities, cash and/or other property are available for distribution by
the Rights Agent, if and when appropriate.

         (d) In case the registered holder of any Rights Certificate shall
exercise less than all the Rights evidenced thereby, a new Rights Certificate
evidencing Rights equivalent to the Rights remaining unexercised shall be issued
by the Rights Agent and delivered to, or upon the order of, the registered
holder of such Rights Certificate, registered in such name or names as may be
designated by such holder, subject to the provisions of Section 14 hereof.

         (e) Notwithstanding anything in this Agreement to the contrary, from
and after the first occurrence of a Section 11(a)(ii) Event, any Rights
beneficially owned by (i) an Acquiring Person or an Associate or Affiliate of an
Acquiring Person, which a majority of the Board, in their sole discretion,
determines is or was involved in or caused or facilitated, directly or
indirectly (including through any change in the Board), such Section 11(a)(ii)
Event, (ii) a transferee of an Acquiring Person (or of any such Associate or
Affiliate) who becomes a transferee after the Acquiring Person becomes such, or
(iii) a transferee of an Acquiring Person (or of any such Associate or
Affiliate) who becomes a transferee prior to or concurrently with the Acquiring
Person becoming such and receives such Rights pursuant to either (A) a transfer
(whether or not for consideration) from the Acquiring Person to holders of
equity interests in such Acquiring Person or to any Person with whom such
Acquiring Person has any continuing agreement, arrangement or understanding
regarding the transferred Rights or (B) a transfer which a majority of the Board
has determined is part of a plan, arrangement or understanding which has as a
primary purpose or effect the avoidance of this Section 7(e), shall become null
and void without any further action, and no holder of such Rights shall have any
rights whatsoever with respect to such Rights, whether under any provision of
this Agreement or otherwise. The Company shall use all reasonable efforts to
ensure that the provisions of this Section 7(e) and Section 4(b) hereof are
complied with, but shall have no liability hereunder to any holder of Rights
Certificates or other Person as a result of its failure to make any
determinations with respect to an Acquiring Person or its Affiliates or
Associates or its or their transferees.

         (f) 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 7

                                       10
<Page>

unless such registered holder shall have (i) completed and signed the
certificate contained in the form of election to purchase set forth on the
reverse side of the Rights Certificate surrendered for such exercise, and (ii)
provided such additional evidence of the identity of the Beneficial Owner (or
former Beneficial Owner) or Affiliates or Associates thereof as the Company
shall reasonably request.

     SECTION 8. CANCELLATION AND RETIREMENT OF RIGHTS CERTIFICATES.

         All Rights 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
cancelled form, or, if surrendered to the Rights Agent, shall be cancelled by
it, and no Rights Certificates shall be issued in lieu thereof except as
expressly permitted by any provisions of this Rights Agreement. The Company
shall deliver to the Rights Agent for cancellation and retirement, and the
Rights Agent shall, upon receipt of the written request from the Company and
promptly after the expiration of any Securities and Exchange Commission required
retention period, so cancel and retire, any other Rights Certificate purchased
or acquired by the Company otherwise than upon the exercise thereof. The Rights
Agent shall deliver all cancelled Rights Certificates to the Company.

     SECTION 9. RESERVATION AND AVAILABILITY OF CAPITAL STOCK.

         (a) The Company covenants and agrees that it will cause to be reserved
and kept available out of its authorized and unissued shares of Preferred Stock
(and following the occurrence of a Triggering Event, out of its authorized and
unissued shares of Common Stock and/or other securities or out of its authorized
and issued shares held in its treasury), the number of shares of Preferred Stock
(and, following a Triggering Event, shares of Common Stock and/or other
securities) that, as provided in this Agreement, including Section 11(a)(iii)
hereof, will be sufficient to permit the exercise in full of all outstanding
Rights.

         (b) In the event the shares of Preferred Stock (and, following the
occurrence of a Triggering Event, Common Stock and/or other securities) issuable
upon the exercise of Rights become listed on any national securities exchange,
the Company shall use its best efforts to cause, from and after such time as the
Rights become exercisable, all shares reserved for such issuance to be listed on
such exchange upon official notice of issuance upon such exercise.

         (c) The Company shall use its best efforts to (i) file, as soon as
practicable following the earliest date after the first occurrence of a Section
11(a)(ii) Event on which the consideration to be delivered by the Company upon
exercise of the Rights has been determined in accordance with this Agreement, a
registration statement under the Securities Act with respect to the Common Stock
or other securities purchasable upon exercise of the Rights on an appropriate
form, (ii) cause such registration statement to become effective as soon as
practicable after such filing, and (iii) cause such registration statement to
remain effective (with a prospectus at all times meeting the requirements of the
Securities Act) until the earlier of (A) the date as of which the Rights are no
longer exercisable for such securities, and (B) the Expiration Date. The Company
will also take such action as may be appropriate under, or to ensure compliance
with,

                                       11
<Page>

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 ninety (90) days after the date set forth in clause (i) of
the first sentence of this Section 9(c), the exercisability of the Rights in
order to prepare and file such registration statement and permit it to become
effective. In addition, if the Company shall determine that a registration
statement is required following the Distribution Date, the Company may
temporarily suspend the exercisability of the Rights until such time as a
registration statement has been declared effective. Upon any suspension of
exercisability of Rights referred to in this Section 9(c), 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. Notwithstanding any provision of this
Agreement to the contrary, the Rights shall not be exercisable, and shall be
void so long as held, by a holder in any jurisdiction where the requisite
qualification to the issuance to such holder, or the exercise by such holder, of
the Rights in such jurisdiction shall not have been obtained or be obtainable,
or the exercise thereof shall not be permitted under applicable law or a
registration statement shall not have been declared effective.

         (d) The Company covenants and agrees that it will take all such action
as may be necessary to ensure that all one one-thousandths of a share of
Preferred Stock (and, following the occurrence of a Triggering Event, Common
Stock and/or other securities) delivered upon exercise of Rights shall, at the
time of delivery of the certificates for such shares (subject to payment of the
Purchase Price), be duly and validly authorized and issued and fully paid and
non-assessable.

         (e) The Company further covenants and agrees that it will pay when due
and payable any and all federal and state transfer taxes and charges which may
be payable in respect of the issuance or delivery of the Rights Certificates or
of any certificates for a number of one one-thousandths of a share of Preferred
Stock (or Common Stock and/or other securities, as the case may be) upon the
exercise of Rights. The Company shall not, however, be required to pay any
transfer tax or governmental charge which may be payable in respect of any split
up, combination or exchange of Rights Certificates, any transfer or delivery of
Rights Certificates to a Person other than, or the issuance or delivery of
certificates for a number of one one-thousandths of a share of Preferred Stock
(or Common Stock and/or other securities, as the case may be) in a name other
than that of, the registered holder of the Rights Certificate evidencing Rights
surrendered for exercise or to issue or deliver any certificates for a number of
one one-thousandths of a share of Preferred Stock (or Common Stock and/or other
securities, as the case may be) in a name other than that of the registered
holder upon the exercise of any Rights until any such tax or charge shall have
been paid (any such tax or charge being payable by the holder of such Rights
Certificate at the time of surrender) or until it has been established to the
Company's satisfaction that no such tax or charge is due.

     SECTION 10. PREFERRED STOCK RECORD DATE.

         Each person in whose name any certificate for a number of one
one-thousandths of a share of Preferred Stock (or Common Stock and/or other
securities, as the case may be) is

                                       12
<Page>

issued upon the exercise of Rights shall for all purposes be deemed to have
become the holder of record of such fractional shares of Preferred Stock (or
Common Stock and/or other securities, as the case may be) represented thereby
on, and such certificate shall be dated, the date upon which the Rights
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 Stock (or Common Stock and/or other securities as the case may be)
transfer books of the Company are closed, such person shall be deemed to have
become the record holder of such shares (fractional or otherwise) on, and such
certificate shall be dated, the next succeeding Business Day on which the
Preferred Stock (or Common Stock and/or other securities as the case may be)
transfer books of the Company are open. Prior to the exercise of the Rights
evidenced thereby, the holder of a Rights Certificate shall not be entitled to
any rights of a stockholder of the Company with respect to 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 Stock payable in
     shares of Preferred Stock, (B) subdivide the outstanding Preferred Stock,
     (C) combine the outstanding Preferred Stock into a smaller number of shares
     or (D) issue any shares of its capital stock in a reclassification of the
     Preferred Stock (including any such reclassification in connection with a
     consolidation or merger in which the Company is the continuing or surviving
     corporation), except as otherwise provided in this Section 11(a) and
     Section 7(e) hereof, 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
     Preferred Stock or the number and kind of shares of capital stock issuable
     on such date, as the case may be, shall be proportionately adjusted so that
     the holder of any Right exercised after such time shall be entitled to
     receive, upon payment of the aggregate adjusted Purchase Price then in
     effect necessary to exercise a Right in full, the aggregate number and kind
     of shares of Preferred Stock or the number and kind of shares of capital
     stock, as the case may be, which, if such Right had been exercised
     immediately prior to such date and at a time when the Preferred Stock (or
     other capital stock, as the case may be) transfer books of the Company were
     open, he would have owned upon such exercise and been entitled to receive
     by virtue of such dividend, subdivision, combination, or reclassification.
     If an event occurs which would require an adjustment under both this
     Section 11(a)(i) and Section 11(a)(ii) hereof, 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) hereof.

                                       13
<Page>

             (ii) Subject to Sections 23 and 24 of this Agreement, in the event
     that 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 Person or entity organized, appointed or established by the Company
     for or pursuant to the terms of any such plan), alone or together with its
     Affiliates and Associates, shall, at any time after the Rights Dividend
     Declaration Date, become an Acquiring Person, unless the event causing such
     Person to become an Acquiring Person is a transaction set forth in Section
     13(a) hereof, or is an acquisition of shares of Common Stock pursuant to a
     cash tender offer made pursuant to Section 14(d) of the Exchange Act for
     all outstanding shares of Common Stock (other than shares of Common Stock
     beneficially owned by the person making the offer or by its Affiliates or
     Associates) at a price and on terms determined by at least two-thirds of
     the Board, after receiving advice from one or more investment banking
     firms, to be (a) at a price which is fair to stockholders (taking into
     account all factors which such members of the Board deem relevant
     including, without limitation, prices which could reasonably be achieved if
     the Company or its assets were sold on an orderly basis designed to realize
     maximum value) and (b) otherwise in the best interests of the Company and
     its stockholders, proper provision shall be made so that promptly following
     the Redemption Period each holder of a Right (except as provided below and
     in Section 7(e) hereof) shall thereafter have the right to receive, upon
     exercise thereof and payment of an amount equal to the then current
     Purchase Price in accordance with the terms of this Agreement, in lieu of a
     number of one one-thousandths of a share of Preferred Stock, such number of
     shares of Common Stock of the Company as shall equal the result obtained by
     (x) multiplying the then current Purchase Price by the then number of one
     one-thousandths of a share of Preferred Stock for which a Right was or
     would have been exercisable immediately prior to the first occurrence of a
     Section 11(a)(ii) Event, whether or not such Right was then exercisable,
     and (y) dividing that product (which, following such first occurrence,
     shall thereafter be referred to as the "Purchase Price" for each Right and
     for all purposes of this Agreement except to the extent set forth in
     Section 13 thereof) by 50% of the current market price per share of Common
     Stock (determined pursuant to Section 11(d) hereof) on the date of such
     first occurrence (such number of shares, the "Adjustment Shares").

             (iii) The Company may at its option substitute for a share of
     Common Stock issuable upon the exercise of Rights in accordance with
     Section 11(a)(ii) hereof such number or fractions of shares of Preferred
     Stock having an aggregate market value equal to the current per share
     market price of a share of Common Stock. In the event that the number of
     shares of Common Stock which is authorized by the Company's Certificate of
     Incorporation but not outstanding, or reserved for issuance for purposes
     other than upon exercise of the Rights, is not sufficient to permit the
     exercise in full of the Rights in accordance with Section 11(a)(ii) hereof,
     the Board shall, to the extent permitted by applicable law and by material
     agreements then in effect to which the Company is a party, (A) determine
     the excess of (1) the value of the Adjustment Shares issuable upon the
     exercise of a Right (the "Current Value") over (2) the Purchase Price (such
     excess, the "Spread"), and (B) with respect to each Right (subject to
     Section 7(e) hereof), make

                                       14
<Page>

     adequate provision to substitute for some or all of the Adjustment Shares,
     upon exercise of a Right and payment of the applicable Purchase Price, (1)
     cash, (2) a reduction in the Purchase Price, (3) Common Stock or other
     equity securities of the Company (including, without limitation, shares, or
     units of shares, of Preferred Stock which the Board has deemed to have the
     same value as shares of Common Stock (such shares or units of shares of
     Preferred Stock are herein called "common stock equivalents")), (4) debt
     securities of the Company, (5) other assets, or (6) any combination of the
     foregoing, having an aggregate value equal to the Current Value, where such
     aggregate value has been determined by the Board based upon the advice of
     an investment banking firm selected by the Board; PROVIDED, HOWEVER, if the
     Company shall not have made adequate provision to deliver value pursuant to
     clause (B) above within thirty (30) days following the later of (x) the
     first occurrence of a Section 11(a)(ii) Event and (y) the date on which the
     Company's right of redemption pursuant to Section 23(a) expires (the later
     of (x) and (y) being referred to herein as the "Section 11(a)(ii) Trigger
     Date"), then the Company shall be obligated to deliver, upon the surrender
     for exercise of a Right and without requiring payment of the Purchase
     Price, shares of Common Stock (to the extent available) and then, if
     necessary, cash, which shares and/or cash have an aggregate value equal to
     the Spread. If, upon the occurrence of a Section 11(a)(ii) Event, the Board
     shall determine in good faith that it is likely that sufficient additional
     shares of Common Stock could be authorized for issuance upon exercise in
     full of the Rights, then if the Board so elects, the thirty (30) day period
     set forth above may be extended to the extent necessary, but not more than
     ninety (90) days after the Section 11(a)(ii) Trigger Date, in order that
     the Company may seek stockholder approval for the authorization of such
     additional shares (such period, as it may be extended, the "Substitution
     Period"). To the extent that action is to be taken pursuant to the
     preceding provisions of this Section 11(a)(iii), the Company (x) shall
     provide, subject to Section 7(e) hereof, that such action shall apply
     uniformly to all outstanding Rights, and (y) may suspend the exercisability
     of the Rights until the expiration of the Substitution Period in order to
     seek any authorization of additional shares and/or to decide the
     appropriate form of distribution to be made pursuant to the first sentence
     of this Section 11(a)(iii) and to determine the value thereof. 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. For purposes of this Section 11(a)(iii), the value
     of the Common Stock shall be the current market price (as determined
     pursuant to Section 11(d) hereof) per share of the Common Stock on the
     Section 11(a)(ii) Trigger Date and the value of any common stock equivalent
     shall be deemed to have the same value as the Common Stock on such date.
     The Board may, but shall not be required to, establish procedures to
     allocate the right to receive shares of Common Stock upon the exercise of
     the Rights among holders of Rights pursuant to this Section 11(a)(iii).

         (b) In case the Company shall fix a record date for the issuance of
rights, options or warrants to all holders of Preferred Stock entitling them
(for a period expiring within forty-five (45) calendar days after such record
date) to subscribe for or purchase Preferred Stock (or shares having the same
rights, privileges and preferences as the shares of Preferred Stock

                                       15
<Page>

("equivalent preferred stock")) or securities convertible into Preferred Stock
at a price per share of Preferred Stock or per share of equivalent preferred
stock (or having a conversion price per share of Preferred Stock, if a security
convertible into Preferred Stock) less than the current per share market price
of the Preferred Stock (as defined in 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 which shall be the number of shares of Preferred
Stock outstanding on such record date, plus the number of shares of Preferred
Stock which the aggregate offering price of the total number of shares of
Preferred Stock and/or equivalent preferred stock so to be offered (and/or the
aggregate initial conversion price of the convertible securities so to be
offered) would purchase at such current market price, and the denominator of
which shall be the number of shares of Preferred Stock outstanding on such
record date, plus the number of additional shares of Preferred Stock and/or
equivalent preferred stock to be offered for subscription or purchase (or into
which the convertible securities so to be offered are initially convertible). 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, whose determination shall be described in
a statement filed with the Rights Agent and shall be conclusive for all
purposes. Shares of Preferred Stock 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 or warrants are not so issued, the Purchase
Price shall 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 a distribution to
all holders of Preferred Stock (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, cash (other than a
regular quarterly cash dividend out of the earnings or retained earnings of the
Company), assets (other than a dividend payable in Preferred Stock, but
including any dividend payable in stock other than Preferred Stock), 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 current per share market
price of the Preferred Stock (as defined in Section 11(d)) on such record date,
less the fair market value (as determined in good faith by the Board, whose
determination shall be described in a statement filed with the Rights Agent and
shall be conclusive for all purposes) of the portion of the cash, assets or
evidences of indebtedness so to be distributed or of such subscription rights or
warrants applicable to a share of Preferred Stock and the denominator of which
shall be such current per share market price of the Preferred Stock. Such
adjustment 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, other than
     computations made pursuant to Section 11(a)(iii) hereof, the "current
     market price" of the Common Stock on any date shall be deemed to be the
     average of the daily closing prices

                                       16
<Page>

     per share of such Common Stock for the 30 consecutive Trading Days (as such
     term is hereinafter defined) immediately prior to such date, and for
     purposes of computations made pursuant to Section 11(a)(iii) hereof, the
     "current market price" per share of Common Stock on any date shall be
     deemed to be the average of the daily closing prices per share of Common
     Stock for the ten (10) consecutive Trading Days immediately following such
     date; PROVIDED, HOWEVER, that in the event that the current market price of
     the Common Stock is determined during a period following the announcement
     by the issuer of such Common Stock of (i) a dividend or distribution on
     such Common Stock payable in shares of such Common Stock or securities
     convertible into such Common Stock (other than the Rights), or (ii) any
     subdivision, combination or reclassification of such Common Stock, and
     prior to the expiration of the requisite thirty (30) Trading Day or ten
     (10) Trading Day period, as set forth above, 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
     market price" shall be appropriately adjusted to take into account
     ex-dividend trading. 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 shares of Common Stock 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 shares of Common
     Stock are listed or admitted to trading or, if the shares of Common Stock
     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 by the Nasdaq
     Stock Market or such other system then in use, or, if on any such date the
     shares of Common Stock are not quoted by any such organization, the average
     of the closing bid and asked prices as furnished by a professional market
     maker making a market in the shares of Common Stock selected by the Board.
     If on any such date no market maker is making a market in the Common Stock,
     the fair value of such shares on such date as determined in good faith by
     the Board shall be used. The term "Trading Day" shall mean a day on which
     the principal national securities exchange on which the shares of Common
     Stock are listed or admitted to trading is open for the transaction of
     business, or, if the shares of Common Stock are not listed or admitted to
     trading on any national securities exchange, a Business Day. If the Common
     Stock is not publicly held or not listed or traded, "current market price"
     shall mean the fair value per share as determined in good faith by the
     Board, whose determination shall be described in a statement filed with the
     Rights Agent and shall be conclusive for all purposes.

             (ii) For the purpose of any computation hereunder, the "current
     market price" per share of Preferred Stock shall be determined in the same
     manner as set forth above for the Common Stock in clause (i) of this
     Section 11(d) (other than the last sentence thereof). If the current market
     price per share of Preferred Stock cannot be determined in the manner
     provided above or if the Preferred Stock is not publicly held or

                                       17
<Page>

     listed or traded in a manner described in clause (i) of this Section 11(d),
     the "current market price" per share of Preferred Stock shall be
     conclusively deemed to be an amount equal to 1,000 (as such number may be
     appropriately adjusted for such events as stock splits, stock dividends and
     recapitalizations with respect to the Common Stock occurring after the date
     of this Agreement) multiplied by the current market price per share of the
     Common Stock. If neither the Common Stock nor the Preferred Stock is
     publicly held or so listed or traded, "current market price" per share of
     the Preferred Stock shall mean the fair value per share as determined in
     good faith by the Board, whose determination shall be described in a
     statement filed with the Rights Agent and shall be conclusive for all
     purposes. For all purposes of this Agreement, the "current market price" of
     one one-thousandth of a share of Preferred Stock shall be equal to the
     "current market price" of one share of Preferred Stock divided by 1,000.

         (e) Anything herein to the contrary notwithstanding, no adjustment in
the Purchase Price shall be required unless such adjustment would require an
increase or decrease of at least one percent (1%) in such 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 ten-thousandth of a share of Common Stock or
other share or one-millionth of a share of Preferred Stock, as the case may be.
Notwithstanding the first sentence of this Section 11(e), an adjustment required
by this Section 11 shall be made no later than the earlier of (i) three years
from the date of the transaction which requires such adjustment or (ii) the
Expiration Date.

         (f) If as a result of an adjustment made pursuant to Section 11(a)(ii)
or Section 13(a) hereof, the holder of any Right thereafter exercised shall
become entitled to receive any shares of capital stock of the Company other than
Preferred Stock, thereafter the number of such other shares so receivable upon
exercise of any Right and the Purchase Price thereof 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 Stock contained in
Sections 11(a), (b), (c), (e), (g), (h), (i), (j), (k) and (m), and the
provisions of Sections 7, 9, 10, 13 and 14 hereof with respect to the Preferred
Stock 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 hereunder shall evidence the right to
purchase, at the adjusted Purchase Price, the number of one one-thousandths of a
share of Preferred Stock purchasable from time to time hereunder upon exercise
of the Rights, all subject to further adjustment as provided herein.

         (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 Sections 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-thousandths of
a share of Preferred Stock (calculated to the nearest one-millionth) obtained by
(i) multiplying (x) the number of one one-thousandths of a share covered by a
Right immediately

                                       18
<Page>

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 lieu of any adjustment in the
number of one one-thousandths of a share of Preferred Stock issuable 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-thousandths of a
share of Preferred Stock 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
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 Rights Certificates have
been issued, shall be at least ten (10) days later than the date of the public
announcement. If Rights Certificates have been issued, 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 Rights
Certificates on such record date Rights Certificates evidencing, subject to
Section 14 hereof, 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
Rights Certificates held by such holders prior to the date of adjustment, and
upon surrender thereof, if required by the Company, new Rights Certificates
evidencing all the Rights to which such holders shall be entitled after such
adjustment. Rights Certificates so to be distributed shall be issued, executed
and countersigned in the manner provided for herein (and may bear, at the option
of the Company, the adjusted Purchase Price) and shall be registered in the
names of the holders of record of Rights 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-thousandths of a share of Preferred Stock issuable upon
the exercise of the Rights, the Rights Certificates theretofore and thereafter
issued may continue to express the Purchase Price per one one-thousandth of a
share and the number of one one-thousandths of a share which were expressed in
the initial Rights Certificates issued hereunder.

         (k) Before taking any action that would cause an adjustment reducing
the Purchase Price below the then par value, if any, of the number of one
one-thousandths of a share of Preferred Stock 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 non-assessable such number of one one-thousandths of a
share of Preferred Stock at such adjusted Purchase Price.

                                       19
<Page>

         (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 issuance to the holder of any Right exercised after such record date
the number of one one-thousandths of a share of Preferred Stock and other
capital stock or securities of the Company, if any, issuable upon such exercise
over and above the number of one one-thousandths of a share of Preferred Stock
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.

         (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 in its sole discretion shall determine to be advisable
in order that any (i) consolidation or subdivision of the Preferred Stock, (ii)
issuance wholly for cash of any shares of Preferred Stock at less than the
current market price, (iii) issuance wholly for cash of shares of Preferred
Stock or securities which by their terms are convertible into or exchangeable
for Preferred Stock, (iv) stock dividends or (v) issuance of rights, options or
warrants referred to hereinabove in this Section 11, hereafter made by the
Company to holders of its Preferred Stock shall not be taxable to such
stockholders.

         (n) The Company covenants and agrees that it shall not, at any time
after the Distribution Date, (i) consolidate with any other Person (other than a
Subsidiary of the Company in a transaction which complies with Section 11(o)
hereof), (ii) merge with or into any other Person (other than a Subsidiary of
the Company in a transaction which complies with Section 11(o) hereof), or (iii)
sell or transfer (or permit any Subsidiary to sell or transfer), in one
transaction, or a series of related transactions, assets or earning power
aggregating more than 50% 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 Subsidiaries in one or more transactions each of which
complies with Section 11(o) hereof), if (x) at the time of or immediately after
such consolidation, merger or sale there are any rights, warrants or other
instruments or securities outstanding or agreements in effect which would
substantially diminish or otherwise eliminate the benefits intended to be
afforded by the Rights or (y) prior to, simultaneously with or immediately after
such consolidation, merger or sale, the stockholders of the Person who
constitutes, or would constitute, the "Principal Party" for purposes of Section
13(a) hereof shall have received a distribution of Rights previously owned by
such Person or any of its Affiliates and Associates.

         (o) The Company covenants and agrees that, after the Distribution Date,
it will not, except as permitted by Section 23 or Section 27 hereof, take (or
permit any Subsidiary to take) any action if at the time such action is taken it
is reasonably foreseeable that such action will diminish substantially or
otherwise eliminate the benefits intended to be afforded by the Rights.

                                       20
<Page>

         (p) Anything in this Agreement to the contrary notwithstanding, in the
event that the Company shall at any time after the Rights Dividend Declaration
Date and prior to the Distribution Date (i) declare a dividend on the
outstanding shares of Common Stock payable in shares of Common Stock, (ii)
subdivide the outstanding shares of Common Stock, or (iii) combine the
outstanding shares of Common Stock into a smaller number of shares, the number
of Rights associated with each share of Common Stock then outstanding, or issued
or delivered thereafter but prior to the Distribution Date, shall be
proportionately adjusted so that the number of Rights thereafter associated with
each share of Common Stock following any such event shall equal the result
obtained by multiplying the number of Rights associated with each share of
Common Stock immediately prior to such event by a fraction the numerator of
which shall be the total number of shares of Common Stock outstanding
immediately prior to the occurrence of the event and the denominator of which
shall be the total number of shares of Common Stock outstanding immediately
following the occurrence of such event.

     SECTION 12. CERTIFICATE OF ADJUSTED PURCHASE PRICE OR NUMBER OF SHARES.

         Whenever an adjustment is made as provided in Sections 11 and 13
hereof, the Company shall (a) 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
Preferred Stock and the Common Stock a copy of such certificate and (c) mail a
brief summary thereof to each holder of a Rights Certificate (or, if prior to
the Distribution Date, to each holder of a certificate representing shares of
Common Stock) in accordance with Section 26 hereof. The Rights Agent shall be
fully protected in relying on any such certificate and on any adjustment therein
contained and shall not be deemed to have knowledge of any adjustment unless and
until it shall have received such certificate.

     SECTION 13. CONSOLIDATION, MERGER OR SALE OR TRANSFER OF ASSETS OR EARNING
                 POWER.

         (a) Subject to Section 23 of this Agreement, in the event that,
following the Stock Acquisition Date, directly or indirectly, (x) the Company
shall consolidate with, or merge with and into, any other Person (other than a
Subsidiary of the Company in a transaction which complies with Section 11(o)
hereof), and the Company shall not be the continuing or surviving corporation of
such consolidation or merger, (y) any Person (other than a Subsidiary of the
Company in a transaction which complies with Section 11(o) hereof) shall
consolidate with, or merge with or 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
shares of Common Stock shall be changed into or exchanged for stock or other
securities of any other Person or cash or any other property, or (z) the Company
shall sell or otherwise transfer (or one or more of its Subsidiaries shall sell
or otherwise transfer), in one transaction or a series of related transactions,
assets or earning power aggregating more than 50% of the assets or earning power
of the Company and its Subsidiaries (taken as a whole) to any Person or Persons
(other than the Company or any Subsidiary of the Company in one or more
transactions each of which complies with Section 11(o) hereof), then, and in
each such case (except as may be contemplated by Section 13(d) hereof), proper
provision

                                       21
<Page>

shall be made so that: (i) each holder of a Right, except as provided in Section
7(e) hereof, shall, upon the expiration of the Redemption Period, thereafter
have the right to receive, upon the exercise thereof at the then current
Purchase Price in accordance with the terms of this Agreement, such number of
validly authorized and issued, fully paid, non-assessable and freely tradable
shares of Common Stock of the Principal Party, not subject to any liens,
encumbrances, rights of first refusal or other adverse claims, as shall be equal
to the result obtained by (1) multiplying the then current Purchase Price by the
number of one one-thousandths of a share of Preferred Stock for which a Right
was exercisable immediately prior to the first occurrence of a Section 13 Event
(or, if a Section 11(a)(ii) Event has occurred prior to the first occurrence of
a Section 13 Event, multiplying the number of one one-thousandths of a share of
Preferred Stock for which a Right was exercisable immediately prior to the first
occurrence of a Section 11(a)(ii) Event by the Purchase Price in effect
immediately prior to such first occurrence), and (2) dividing that product
(which product, following the first occurrence of a Section 13 Event, shall be
referred to as the "Purchase Price" for each Right and for all purposes of this
Agreement) by 50% of the current market price per share of the shares of Common
Stock of such Principal Party on the date of consummation of such Section 13
Event (or the fair market value on such date of other securities or property of
the Principal Party, as provided for herein); (ii) such Principal Party shall
thereafter be liable for, and shall assume, by virtue of such Section 13 Event,
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,
it being specifically intended that the provisions of Section 11 hereof (other
than Sections 11(a)(ii) and 11(a)(iii)) shall apply only to such Principal Party
following the first occurrence of a Section 13 Event; (iv) such Principal Party
shall take such steps (including, but not limited to, the reservation of a
sufficient number of shares of its Common Stock) 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 shares of Common Stock thereafter deliverable upon the
exercise of the Rights; and (v) the provisions of Section 11(a)(ii) and Section
11(a)(iii) hereof shall be of no effect following the first occurrence of any
Section 13 Event.

         (b) "Principal Party" shall mean

             (i) in the case of any transaction described in clause (x) or (y)
     of the first sentence of Section 13(a), the Person that is the issuer of
     any securities into which shares of Common Stock of the Company are
     converted in such merger or consolidation, and 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 (z) 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 Stock of such Person is not at such time and has not been
     continuously over the preceding twelve (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 Stock of which is and has been so
     registered, "Principal Party" shall refer to such other Person; and (2) in
     case such Person is a

                                       22
<Page>

     Subsidiary, directly or indirectly, of more than one Person, the Common
     Stocks 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
     Stock 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 shares of its
Common Stock which have not been issued or reserved for issuance 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 such Section 13 Event, the
Principal Party will:

             (i) prepare and file a registration statement under the Securities
     Act, with respect to the Rights and the securities purchasable upon
     exercise of the Rights on an appropriate form, and will 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 requirements of the Securities Act)
     until the Expiration Date; and

             (ii) will 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.

The provisions of this Section 13 shall similarly apply to successive mergers or
consolidations or sales or other transfers. In the event that a Section 13 Event
shall occur at any time after the occurrence of a Section 11(a)(ii) Event, the
Rights which have not theretofore been exercised shall thereafter become
exercisable in the manner described in Section 13(a) hereof.

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

     SECTION 14. FRACTIONAL RIGHTS AND FRACTIONAL SHARES.

         (a) The Company shall not be required to issue fractions of Rights
except prior to the Distribution Date as provided in Section 11(p) hereof, or to
distribute Rights Certificates

                                       23
<Page>

which evidence fractional Rights. In lieu of such fractional Rights, there shall
be paid to the registered holders of the Rights 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 the 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, or, in case no such
sale takes place on such day, the average of the high bid and low asked prices,
in either case as reported by the Nasdaq Stock Market or such other system then
in use or, if on any such date the Rights are not quoted by any such
organization, 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.
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
shall be used. In the event the Rights are listed or admitted to trading on a
national securities exchange, the closing price for any day shall be the last
sale price, regular way, or, in case no such sale takes place on such day, the
average of the high bid and low asked prices, regular way, in either case as
reported in the principal consolidated transaction reporting system with respect
to the national securities exchange on which the Rights are listed or admitted
to trading.

         (b) The Company shall not be required to issue fractions of shares of
Preferred Stock (other than fractions which are integral multiples of one
one-thousandth of a share of Preferred Stock) upon exercise of the Rights or to
distribute certificates which evidence fractional shares of Preferred Stock
(other than fractions which are integral multiples of one one-thousandth of a
share of Preferred Stock). In lieu of fractional shares of Preferred Stock that
are not integral multiples of one one-thousandth of a share of Preferred Stock,
the Company may pay to the registered holders of Rights 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 one-thousandth of a share of
Preferred Stock. For purposes of this Section 14(b), the current market value of
one one-thousandth of a share of Preferred Stock shall be one one-thousandth of
the closing price of a share of Preferred Stock (as determined pursuant to
Section 11(d)(ii) hereof) for the Trading Day immediately prior to the date of
such exercise.

         (c) Following the occurrence of a Triggering Event, the Company shall
not be required to issue fractions of shares of Common Stock upon exercise of
the Rights or to distribute certificates which evidence fractional shares of
Common Stock. In lieu of fractional shares of Common Stock, the Company may pay
to the registered holders of Rights 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 (1) share of Common Stock. For purposes of this
Section 14(c), the current market value of one share of Common Stock shall be
the closing price of one share of Common Stock (as determined pursuant to
Section 11(d)(i) hereof) for the Trading Day immediately prior to the date of
such exercise.

         (d) The holder of a Right by the acceptance of the Right expressly
waives his right to receive any fractional Rights or any fractional shares upon
exercise of a Right, except as permitted by this Section 14.

                                       24
<Page>

     SECTION 15. RIGHTS OF ACTION.

         All rights of action in respect of this Agreement, except the rights of
action vested in the Rights Agent pursuant to Section 18 and Section 20 hereof,
are vested in the respective registered holders of the Rights Certificates (and,
prior to the Distribution Date, the registered holders of the Common Stock); and
any registered holder of any Rights Certificate (or, prior to the Distribution
Date, of the Common Stock), without the consent of the Rights Agent or of the
holder of any other Rights Certificate (or, prior to the Distribution Date, of
the Common Stock), may, in his own behalf and for his own benefit, enforce, and
may institute and maintain any suit, action or proceeding against the Company to
enforce, or otherwise act in respect of, his right to exercise the Rights
evidenced by such Rights Certificate in the manner provided in such Rights
Certificate and in this Agreement. Without limiting the foregoing or any
remedies available to the holders of Rights, 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 hereunder of any Person subject to this Agreement.

     SECTION 16. AGREEMENT OF RIGHTS 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 Stock;

         (b) after the Distribution Date, the Rights Certificates are
transferable only on the registry books of the Rights Agent if surrendered at
the principal office of the Rights Agent, duly endorsed or accompanied by a
proper instrument of transfer and with the appropriate form of assignment and
the certificate contained therein duly completed and executed;

         (c) subject to Section 6(a) and Section 7(f) hereof, the Company and
the Rights Agent may deem and treat the person in whose name the Rights
Certificate (or, prior to the Distribution Date, the associated Common Stock
certificate) is registered as the absolute owner thereof and of the Rights
evidenced thereby (notwithstanding any notations of ownership or writing on the
Rights Certificates or the associated Common Stock certificate made by anyone
other than the Company or the Rights Agent) for all purposes whatsoever, and
neither the Company nor the Rights Agent, subject to the last sentence of
Section 7(e) hereof, shall be affected by any notice to the contrary; and

         (d) Notwithstanding anything in this Agreement to the contrary, neither
the Company nor the Rights Agent shall have any liability to any holder of a
Right or other Person as a result of its inability to perform any of its
obligations 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,

                                       25
<Page>

or any statute, rule, regulation or executive order promulgated or enacted by
any government authority, prohibiting or otherwise restraining performance of
such obligation; PROVIDED, HOWEVER, the Company must use its best efforts to
have any such order, decree or ruling lifted or otherwise overturned as soon as
possible.

     SECTION 17. RIGHTS CERTIFICATE HOLDER NOT DEEMED A STOCKHOLDER.

         No holder, as such, of any Rights Certificate shall be entitled to
vote, receive dividends or be deemed for any purpose the holder of the Preferred
Stock 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
herein or in any Rights Certificate be construed to confer upon the holder of
any Rights 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 hereof), or to receive
dividends or subscription rights, or otherwise, until the Right or Rights
evidenced by such Rights Certificate shall have been exercised in accordance
with the provisions hereof.

     SECTION 18. DUTIES OF RIGHTS AGENT.

         The Rights Agent undertakes the duties and obligations imposed by this
Agreement upon the following terms and conditions, by all of which the Company
and the holders of Rights Certificates, by their acceptance thereof, shall be
bound:

         (a) The Rights Agent 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 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 shall deem it necessary or desirable that any fact or matter
(including, without limitation, the identity of any Acquiring Person and the
determination of "current market price") be proved or established by the Company
prior to taking or suffering any action hereunder, 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 President, a Vice President, the Treasurer or the Secretary of the
Company and delivered to the Rights Agent; and such certificate shall be full
authorization to the Rights Agent 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 shall be liable hereunder only for its own
negligence, bad faith or willful misconduct.

                                       26
<Page>

         (d) The Rights Agent shall not be liable for or by reason of any of the
statements of fact or recitals contained in this Agreement or in the Rights
Certificates (except as to 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) The Rights Agent shall not be under any responsibility in respect
of the validity of this Agreement or the execution and delivery hereof (except
the due execution hereof by the Rights Agent) or in respect of the validity or
execution of any Rights Certificate (except 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 Rights Certificate; nor shall it
be responsible for any change in the exercisability of the Rights (including the
Rights becoming void pursuant to Section 7(e) hereof) or any adjustment required
under the provisions of Section 11 or 13 hereof or responsible for the manner,
method or amount of any such adjustment or the ascertaining of the existence of
facts that would require any such adjustment (except with respect to the
exercise of Rights evidenced by Rights Certificates after actual notice of any
such adjustment); nor shall it by any act hereunder be deemed to make any
representation or warranty as to the authorization or reservation of any shares
of Common Stock or shares of Preferred Stock to be issued pursuant to this
Agreement or any Rights Certificate or as to whether any shares of Common Stock
or shares of Preferred Stock will, when so issued, be validly authorized and
issued, fully paid and non-assessable.

         (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 for the carrying out or performing by the Rights Agent of
the provisions of this Agreement.

         (g) The Rights Agent is hereby authorized and directed to accept
instructions with respect to the performance of its duties hereunder from any
one of the Chairman of the Board, the President, a Vice President, the Secretary
or the Treasurer of the Company, and to apply to such officers for advice or
instructions in connection with its duties, and it shall not be liable for any
action taken or suffered to be taken by it in good faith in accordance with
instructions of any such officer. Any application by the Rights Agent for
written instructions from the Company may, at the option of the Rights Agent,
set forth in writing any action proposed to be taken or omitted by the Rights
Agent under this Rights Agreement and the date on or after which such action
shall be taken or such omission shall be effective. The Rights Agent shall not
be liable for any action taken by, or omission of, the Rights Agent in
accordance with a proposal included in any such application on or after the date
specified in such application (which date shall not be less than five Business
Days after the date any officer of the Company actually receives such
application, unless any such officer shall have consented in writing to an
earlier date) unless, prior to taking any such action (or the effective date in
the case of an omission), the Rights Agent shall have received written
instruction in response to such application specifying the action to be taken or
omitted.

         (h) The Rights Agent and any stockholder, director, officer or employee
of the Rights Agent may buy, sell or deal in any of the Rights or other
securities of the Company or

                                       27
<Page>

become pecuniarily interested in any transaction in which the Company may be
interested, or contract with or lend money to the Company or otherwise act as
fully and freely as though it were not Rights Agent under this Agreement.
Nothing herein shall preclude the Rights Agent from acting in any other capacity
for the Company or for any other legal entity.

         (i) The Rights Agent may execute and exercise any of the rights or
powers hereby vested in it or perform any duty hereunder either itself or by or
through its attorneys or agents, and the Rights Agent 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, HOWEVER, reasonable care was exercised in the
selection and continued employment thereof.

         (j) No provision of this Agreement shall require the Rights Agent to
expend or risk its own funds or otherwise incur any financial liability in the
performance of any of its duties hereunder or in the exercise of its rights 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 Rights Certificate surrendered to the
Rights Agent for exercise or transfer, the certificate attached to the form of
assignment or form of election to purchase, as the case may be, has either not
been completed or indicates an affirmative response to clause 1 and/or 2
thereof, the Rights Agent shall not take any further action with respect to such
requested exercise of transfer without first consulting with the Company.

     SECTION 19. COMPENSATION AND INDEMNIFICATION OF THE RIGHTS AGENT.

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

         (b) The Rights Agent 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 Rights
Certificate or certificate for Common Stock 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.

                                       28
<Page>

     SECTION 20. MERGER OR CONSOLIDATION OR CHANGE OF NAME OF RIGHTS AGENT.

         (a) Any corporation into which the Rights Agent or any successor Rights
Agent 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 shall be a party, or any corporation succeeding to the
corporate trust business of the Rights Agent or any successor Rights Agent,
shall be the successor to the Rights Agent under this Agreement without the
execution or filing of any paper or any further act on the part of any of the
parties hereto; PROVIDED, HOWEVER, that such corporation would be eligible for
appointment as a successor Rights Agent under the provisions of Section 21
hereof. In case at the time such successor Rights Agent shall succeed to the
agency created by this Agreement, any of the Rights 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 Rights
Certificates so countersigned; and in case at that time any of the Rights
Certificates shall not have been countersigned, any successor Rights Agent may
countersign such Rights 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 Rights Certificates shall have the full force provided in the Rights
Certificates and in this Agreement.

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

     SECTION 21. CHANGE OF RIGHTS AGENT.

         The Rights Agent or any successor Rights Agent may resign and be
discharged from its duties under this Agreement upon thirty (30) days' notice in
writing mailed to the Company and to each transfer agent of the Common Stock and
the Preferred Stock by registered or certified mail, and to the holders of the
Rights Certificates by first-class mail. The Company may remove the Rights Agent
or any successor Rights Agent upon thirty (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 Stock and Preferred Stock by registered or
certified mail, and to the holders of the Rights 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 thirty
(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 Rights Certificate (who shall, with such
notice, submit his Rights Certificate for inspection by the Company), then the
registered holder of any Rights 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 a
corporation organized and

                                       29
<Page>

doing business under the laws of the United States or of the State of 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 New York), in
good standing, having a principal office in the State of New York which is
authorized under such laws to exercise corporate trust power 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 capital and surplus of at
least $50 million. 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 hereunder, 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 Stock and the Preferred Stock, and mail a notice thereof in writing
to the registered holders of the Rights Certificates. Failure to give any notice
provided for in this Section 21, 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.

     SECTION 22. ISSUANCE OF NEW RIGHTS CERTIFICATES.

         Notwithstanding any of the provisions of this Agreement or of the
Rights Certificates to the contrary, the Company may, at its option, issue new
Rights Certificates evidencing Rights in such form as may be approved by the
Board to reflect any adjustment or change in the Purchase Price per share and
the number or kind of class of shares or other securities or property
purchasable under the Rights Certificates made in accordance with the provisions
of this Agreement. In addition, in connection with the issuance or sale of
shares of Common Stock following the Distribution Date (other than upon exercise
of a Right) and prior to the redemption or expiration of the Rights, the Company
(a) shall, with respect to shares of Common Stock so issued or sold pursuant to
the exercise of stock options or under any employee plan or arrangement, or upon
the exercise, conversion or exchange of securities hereinafter issued by the
Company, and (b) may, in any other case, if deemed necessary or appropriate by
the Board, issue Rights Certificates representing the appropriate number of
Rights in connection with such issuance or sale and such Rights Certificates
shall be dated as of the same date as the stock certificates representing such
Common Stock; PROVIDED, HOWEVER, that (i) no such Rights Certificate shall be
issued if, and to the extent that, the Company shall be advised by counsel that
such issuance would create a significant risk of material adverse tax
consequences to the Company or the Person to whom such Rights Certificate would
be issued, and (ii) no such Rights Certificate shall be issued if, and to the
extent that, appropriate adjustment shall otherwise have been made in lieu of
the issuance thereof.

     SECTION 23. REDEMPTION.

         (a) The Board may, at its option, at any time during the period
commencing on the Rights Dividend Declaration Date and ending on the earlier of
(i) the Close of Business on the tenth Business Day following the Stock
Acquisition Date (or, if the Stock Acquisition Date

                                       30
<Page>

shall have occurred prior to the Record Date, the Close of Business on the tenth
Business Day following the Record Date), as such period may be extended or
shortened in the discretion of the Board (the "Redemption Period") or (ii) the
Final Expiration Date, cause the Company to redeem all but not less than all the
then outstanding Rights at a redemption price of $.0001 per Right, as such
amount may be appropriately adjusted to reflect any stock split, stock dividend
or similar transaction occurring after the date hereof (such redemption price
being hereinafter referred to as the "Redemption Price"); PROVIDED, HOWEVER,
that, if the Board authorizes redemption of the Rights in either of the
circumstances set forth in clauses (x) and (y) below, then such authorization
shall require the concurrence of two-thirds of the Board: (x) such authorization
occurs on or after the time a Person becomes an Acquiring Person, or (y) such
authorization occurs on or after the date of a change (resulting from a proxy or
consent solicitation effected in compliance with applicable law and regulations)
in a majority of the directors in office at the commencement of such
solicitation if any Person who is a participant in such solicitation has stated
(or, if a majority of the directors in office at the commencement of such
solicitation has determined in good faith) that such Person (or any of its
Affiliates or Associates) intends to take, or may consider taking, any action
which would result in such Person becoming an Acquiring Person or which would
cause the occurrence of a Triggering Event unless, concurrently with such
solicitation, such Person (or one or more of its Affiliates or Associates) is
making a cash tender offer pursuant to a Schedule TO (or any successor form)
filed with the Securities and Exchange Commission for all outstanding shares of
Common Stock not beneficially owned by such Person (or by its Affiliates or
Associates). If, following the occurrence of a Stock Acquisition Date and
following the expiration of the Company's right of redemption hereunder (i) a
Person who is an Acquiring Person shall have transferred or otherwise disposed
of a number of shares of Common Stock in one transaction or series of
transactions, not directly or indirectly involving the Company or any of its
Subsidiaries, which did not result in the occurrence of a Triggering Event such
that such Person is thereafter a Beneficial Owner of 10% or less of the
outstanding shares of Common Stock, (ii) there are no other Persons, immediately
following the occurrence of the event described in clause (i), who are Acquiring
Persons, and (iii) the Board (by a vote of two-thirds of the Board) shall so
approve, then the Company's right of redemption shall be reinstated and
thereafter be subject to the provisions of this Section 23. 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 or a Section
13 Event until such time as the Company's right of redemption hereunder has
expired. The Company may, at its option, pay the Redemption Price in cash,
shares of Common Stock (based on the current market price of the Common Stock at
the time of redemption) or any other form of consideration deemed appropriate by
the Board.

         (b) Immediately upon the action of the Board ordering the redemption of
the Rights, evidence of which shall have been filed with the Rights Agent 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
shall be to receive the Redemption Price. Promptly after the action of the Board
ordering the redemption of the Rights, the Company shall give notice of such
redemption to the Rights Agent 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 Stock. Any notice
mailed in the manner herein provided shall be deemed given,

                                       31
<Page>

whether or not the holder receives the notice. Each such notice of redemption
will state the method by which the payment of the Redemption Price will be made.

     SECTION 24. EXCHANGE.

         (a) The Board 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) or Section 7(e) hereof) for
shares of Common Stock at an exchange ratio of one share of Common Stock per
Right, appropriately adjusted to reflect any stock split, stock dividend or
similar transaction occurring after the date hereof (such exchange ratio being
hereinafter referred to as the "Exchange Ratio").

         (b) Immediately upon the action of the Board ordering the exchange of
any Rights pursuant to subsection (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 shares of Common Stock 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 promptly shall 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 mailed in the manner herein provided shall
be deemed given, whether or not the holder receives the notice. Each such notice
of exchange will state the method by which the exchange of Common Stock 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) or Section 7(e) hereof) held by each
holder of Rights.

         (c) In the event that there shall not be sufficient Common Stock issued
but not outstanding or authorized but unissued to permit any exchange of Rights
as contemplated in accordance with this Section 24, the Company shall take all
such action as may be necessary to authorize additional shares of Common Stock
for issuance upon exchange of the Rights.

         (d) The Company shall not be required to issue fractions of shares of
Common Stock or to distribute certificates which evidence fractional shares of
Common Stock. In lieu of such fractional shares, the Company shall pay to the
registered holders of the Right Certificates with regard to which such
fractional shares would otherwise be issuable an amount in cash equal to the
same fraction of the current market value of a whole share of Common Stock. For
the purposes of this paragraph (d), the current market value of a whole share of
Common Stock shall be the closing price of a share of Common Stock (as
determined pursuant to the second sentence of Section 11(d) hereof) for the
Trading Day immediately prior to the date of exchange pursuant to this
Section 24.

                                       32
<Page>

     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 Preferred Stock or to make any other distribution to the holders of
Preferred Stock (other than a regular quarterly cash dividend out of earnings or
retained earnings) or (ii) to offer to the holders of Preferred Stock rights or
warrants to subscribe for or to purchase any additional shares of Preferred
Stock or shares of stock of any class or any other securities, rights or
options, or (iii) to effect any reclassification of its Preferred Stock (other
than a reclassification involving only the subdivision of outstanding Preferred
Stock), or (iv) to effect any consolidation or merger into or with, 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 more transactions, of more than
50% of the assets or earning power of the Company and its subsidiaries (taken as
a whole) to, any other Person, or (v) to effect the liquidation, dissolution or
winding up of the Company, then, in each such case, the Company shall give to
each holder of a Rights Certificate, to the extent feasible and in accordance
with Section 26 hereof, a notice of such proposed action, which shall specify
the record date for the purposes of such stock dividend, 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 shares of Preferred Stock,
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 twenty (20) days
prior to the record date for determining holders of the shares of Preferred
Stock for purposes of such action and in the case of any such other action, at
least twenty (20) days prior to the date of the taking of such proposed action
or the date of participation therein by the holders of the shares of Preferred
Stock, whichever shall be the earlier.

         (b) In case any Section 11(a)(ii) Event shall occur, then, in any such
case, (i) the Company shall as soon as practicable thereafter give to each
holder of a Rights Certificate, to the extent feasible and 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) hereof, and (ii) all references in the preceding paragraph to
Preferred Stock shall be deemed thereafter to refer to Common Stock and/or, if
appropriate, other securities.

     SECTION 26. NOTICES.

         Notices or demands authorized by this Agreement to be given or made by
the Rights Agent or by the holder of any Rights Certificate 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:

                  PlanetCAD Inc.
                  2520 55th Street, Suite 200
                  Boulder, Colorado 80301
                  Attention:  Corporate Secretary

                                       33
<Page>

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

                  Wells Fargo Bank Minnesota, N.A.
                  161 North Concord Exchange
                  South St. Paul, Minnesota 55075
                  Attention:  Account Manager

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

     SECTION 27. SUPPLEMENTS AND AMENDMENTS.

         Prior to the Distribution Date and subject to the penultimate sentence
of this Section 27, the Company and the Rights Agent shall, if the Company so
directs, supplement or amend any provision of this Agreement without the
approval of any holders of certificates representing shares of Common Stock.
From and after the Distribution Date and subject to the penultimate sentence of
this Section 27, the Company and the Rights Agent shall at any time and from
time to time, if the Company so directs, supplement or amend this Agreement
without the approval of any holders of Rights Certificates in order (i) to cure
any ambiguity, (ii) to correct or supplement any provision contained herein
which may be defective or inconsistent with any other provisions herein, (iii)
to shorten or lengthen any time period hereunder or (iv) to change or supplement
the provisions hereunder in any manner which the Company may deem necessary or
desirable and which shall not adversely affect the interests of the holders of
Rights Certificates (other than an Acquiring Person or an Affiliate or Associate
of any such Person); PROVIDED, HOWEVER, that this Agreement may not be
supplemented or amended (A) whether before or after the Distribution Date, to
lengthen a time period relating to when the Rights may be redeemed or to modify
the ability (or inability) of the Board to redeem the Rights at such time as the
Rights are not then redeemable, or (B) after the Distribution Date, to lengthen,
pursuant to clause (iii) of this sentence, any other time period unless such
lengthening is for the purpose of protecting, enhancing or clarifying the rights
of, and/or the benefits to, the holders of Rights. Upon the delivery of a
certificate from an appropriate officer of the Company which states that the
proposed supplement or amendment is in compliance with the terms of this Section
27, the Rights Agent shall execute such supplement or amendment. Notwithstanding
anything contained in this Agreement to the contrary, no supplement or amendment
shall be made which changes the Redemption Price, the Final Expiration Date, the
Purchase Price or the number of one one-thousandths of a share of Preferred
Stock for which a Right is exercisable. Prior to the Distribution Date, the
interests of the holders of Rights shall be deemed coincident with the interests
of the holders of shares of Common Stock.

                                       34
<Page>

     SECTION 28. SUCCESSORS.

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

     SECTION 29. DETERMINATIONS AND ACTIONS BY THE BOARD, ETC.

         For all purposes of this Agreement, any calculation of the number of
shares of Common Stock outstanding at any particular time, including for
purposes of determining the particular percentage of such outstanding shares of
Common Stock of which any Person is the Beneficial Owner, shall be made in
accordance with the last sentence of Rule 13d-3(d)(1)(i) of the General Rules
and Regulations under the Exchange Act. The Board (with, where specifically
provided for herein, a vote of two-thirds of the Board) shall have the exclusive
power and authority to administer this Agreement and to exercise all rights and
powers specifically granted to the Board (with, where specifically provided for
herein, a vote of two-thirds of the Board) or to the Company, or as may be
necessary or advisable in the administration of this Agreement, including,
without limitation, the right and power to (i) interpret the provisions of this
Agreement, and (ii) make all determinations deemed necessary or advisable for
the administration of this Agreement (including, without limitation, a
determination to redeem or not redeem the Rights or to amend the Agreement). All
such actions, calculations, interpretations and determinations (including, for
purposes of clause (y) below, all omissions with respect to the foregoing) which
are done or made by the Board (with, where specifically provided for herein, a
vote of two-thirds of the Board) in good faith, shall (x) be final, conclusive
and binding on the Company, the Rights Agent, the holders of the Rights and all
other parties, and (y) not subject any director to any liability to the holders
of the Rights.

     SECTION 30. BENEFITS OF THIS AGREEMENT.

         Nothing in this Agreement shall be construed to give to any Person
other than the Company, the Rights Agent and the registered holders of the
Rights Certificates (and, prior to the Distribution Date, the registered holders
of the Common Stock) any legal or equitable right, remedy or claim under this
Agreement; but this Agreement shall be for the sole and exclusive benefit of the
Company, the Rights Agent and the registered holders of the Rights Certificates
(and, prior to the Distribution Date, registered holders of Common Stock).

     SECTION 31. 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 determines in its good faith
judgment that severing the invalid language from this Agreement

                                       35
<Page>

would materially and adversely affect the purpose or effect of this Agreement,
the right of redemption set forth in Section 23 hereof shall be reinstated and
shall not expire until the Close of Business on the tenth Business Day following
the date of such determination by the Board.

     SECTION 32. GOVERNING LAW.

         This Agreement, each Right and each Rights 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 laws
of such State.

     SECTION 33. COUNTERPARTS.

         This Agreement may be executed in any number of counterparts. It shall
not be necessary that the signature of or on behalf of each party appears on
each counterpart, but it shall be sufficient that the signature of or on behalf
of each party appears on one or more of the counterparts. All counterparts shall
collectively constitute a single agreement. It shall not be necessary in any
proof of this Agreement to produce or account for more than a number of
counterparts containing the respective signatures of or on behalf of all of the
parties.

     SECTION 34. 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 hereof.

                                    * * * * *

                                       36
<Page>

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed and their respective corporate seals to be hereunto affixed and
attested, all as of the day and year first above written.

                                          PLANETCAD INC.

Attest:

By /s/ Joy Godesiabois                    By /s/ David Hushbeck
   ------------------------------------      -----------------------------------
   Joy Godesiabois, CFO                      David Hushbeck, President and CEO
   ------------------------------------      -----------------------------------

                                          WELLS FARGO BANK MINNESOTA, N.A.

Attest:

By /s/ Jennifer L. Leno                   By /s/ John Baker
   ------------------------------------      -----------------------------------
   Officer                                   Assistant Vice President
   ------------------------------------      -----------------------------------

                                 Signature Page

<Page>

                                    EXHIBIT C

                           FORM OF RIGHTS CERTIFICATE

                 Certificate No. R-____         ______ Rights

         NOT EXERCISABLE AFTER MARCH 8, 2012 OR EARLIER IF REDEEMED OR
         EXCHANGED BY THE COMPANY. THE RIGHTS ARE SUBJECT TO REDEMPTION, AT THE
         OPTION OF THE COMPANY, AT $.0001 PER RIGHT ON THE TERMS SET FORTH IN
         THE RIGHTS AGREEMENT. UNDER CERTAIN CIRCUMSTANCES, RIGHTS BENEFICIALLY
         OWNED BY AN ACQUIRING PERSON OR AN AFFILIATE OR ASSOCIATE OF ANY SUCH
         PERSON (AS SUCH TERMS ARE DEFINED IN THE RIGHTS AGREEMENT) AND ANY
         SUBSEQUENT HOLDER OF SUCH RIGHTS MAY BECOME NULL AND VOID. THE RIGHTS
         SHALL NOT BE EXERCISABLE, AND SHALL BE VOID SO LONG AS HELD, BY A
         HOLDER IN ANY JURISDICTION WHERE THE REQUISITE QUALIFICATION TO THE
         ISSUANCE TO SUCH HOLDER, OR THE EXERCISE BY SUCH HOLDER, OF THE RIGHTS
         IN SUCH JURISDICTION SHALL NOT HAVE BEEN OBTAINED OR BE OBTAINABLE.
         [THE RIGHTS REPRESENTED BY THIS RIGHTS CERTIFICATE ARE OR WERE
         BENEFICIALLY OWNED BY A PERSON WHO WAS OR BECAME AN ACQUIRING PERSON OR
         AN AFFILIATE OR ASSOCIATE OF AN ACQUIRING PERSON (AS SUCH TERMS ARE
         DEFINED IN THE RIGHTS AGREEMENT). ACCORDINGLY, THIS RIGHTS CERTIFICATE
         AND THE RIGHTS REPRESENTED HEREBY MAY BECOME NULL AND VOID IN THE
         CIRCUMSTANCES SPECIFIED IN SECTION 7(e) OF SUCH AGREEMENT.] *

----------------------
*    The portion of the legend in brackets shall be inserted only if applicable
and shall replace the preceding sentence.

<Page>

                               RIGHTS CERTIFICATE
                                 PLANETCAD INC.

         This certifies that __________________, or his/her/its 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 March 11, 2002 (the "Rights
Agreement"), between PlanetCAD Inc., a Delaware corporation (the "Company"), and
Wells Fargo Bank Minnesota, N.A. (the "Rights Agent"), to purchase from the
Company at any time prior to the Expiration Date (as defined in the Rights
Agreement) at the office or offices of the Rights Agent designated for such
purpose, or its successors as Rights Agent, one one-thousandth of a fully
paid, non-assessable share of Series A Junior Participating Preferred Stock,
par value $.01 per share (the "Preferred Stock"), of the Company at a
purchase price of $5.00 per one one-thousandth share (the "Purchase Price"),
upon presentation and surrender of this Rights Certificate with the Form of
Election to Purchase and related Certificate duly executed. The number of
Rights evidenced by this Rights Certificate (and the number of shares of
Preferred Stock which may be purchased upon exercise thereof) set forth
above, and the Purchase Price per share set forth above, are the number and
Purchase Price as of the Distribution Date (as defined in the Rights
Agreement), based on the Preferred Stock as constituted at such date, and are
subject to adjustment upon the happening of certain events as provided in the
Rights Agreement.

         From and after the first occurrence of a Section 11(a)(ii) Event (as
such term is defined in the Rights Agreement), any Rights evidenced by this
Rights Certificate beneficially owned by (i) an Acquiring Person or an Associate
or Affiliate of an Acquiring Person (as such terms are defined in the Rights
Agreement), which a majority of the Board of Directors, in their sole
discretion, determines is or was involved in or caused or facilitated, directly
or indirectly (including through any change in the Board of Directors), such
Section 11(a)(ii) Event, (ii) a transferee of an Acquiring Person (or of any
such Associate or Affiliate) who becomes a transferee after the Acquiring Person
becomes such, or (iii) a transferee of an Acquiring Person (or of any such
Associate or Affiliate) who becomes a transferee prior to or concurrently with
the Acquiring Person becoming such and receives such Rights pursuant to either
(A) a transfer (whether or not for consideration) from the Acquiring Person to
holders of equity interests in such Acquiring Person or to any Person (as such
term is defined in the Rights Agreement) with whom such Acquiring Person has any
continuing agreement, arrangement or understanding regarding the transferred
Rights or (B) a transfer which a majority of the Board of Directors has
determined is part of a plan, arrangement or understanding which has as a
primary purpose or effect the avoidance of Section 7(e) of the Rights Agreement,
shall become null and void without any further action, and no holder of such
Rights shall have any rights whatsoever with respect to such Rights, whether
under any provision of the Rights Agreement, this Rights Certificate or
otherwise.

         The Rights evidenced by this Rights Certificate shall not be
exercisable, and shall be void so long as held, by a holder in any jurisdiction
where the requisite qualification to the issuance to such holder, or the
exercise by such holder, of the Rights in such jurisdiction shall not have been
obtained or be obtainable.

                                       C-2
<Page>

         As provided in the Rights Agreement, the Purchase Price and the number
and kind of shares of Preferred Stock or other securities that may be purchased
upon the exercise of the Rights evidenced by this Rights Certificate are subject
to modification and adjustment upon the happening of certain events, including
Triggering Events (as defined in the Rights Agreement).

         This Rights 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 to which
Rights Agreement reference is hereby made for 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 Rights Certificates, which
limitations of rights include the temporary suspension of the exercisability of
such Rights under the specific circumstances set forth in the Rights Agreement.
Copies of the Rights Agreement are on file at the office of the Rights Agent,
161 North Concord Exchange, South St. Paul, Minnesota 55075 and are also
available upon written request to the Rights Agent, Attn: PlanetCAD Account
Manager, at the above-mentioned address.

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

         Subject to the provisions of the Rights Agreement, the Rights evidenced
by this Certificate may be redeemed by the Company at its option at a redemption
price of $.0001 per Right at any time prior to the earlier of the close of
business on (i) the 10th business day following the Stock Acquisition Date (as
such time period may be changed in the discretion of the Board of Directors
pursuant to the Rights Agreement), and (ii) the Final Expiration Date (as
defined in the Rights Agreement). Under certain circumstances set forth in the
Rights Agreement, the decision to redeem shall require the concurrence of
two-thirds of the Board of Directors. After the expiration of the redemption
period, the Company's right of redemption may be reinstated if an Acquiring
Person reduces his/her/its beneficial ownership to 10% or less of the
outstanding shares of Common Stock in a transaction or series of transactions
not involving the Company, and such reinstatement is approved by two-thirds of
the vote of Company's Board of Directors.

         At any time after a person becomes an Acquiring Person, the Board of
Directors of the Company may exchange the Rights (other than Rights owned by
such Acquiring Person which have become void), in whole or in part, at an
exchange ratio of one share of Common Stock per Right (subject to adjustment).

         No fractional shares of Preferred Stock will be issued upon the
exercise of any Right or Rights evidenced hereby, (other than fractions which
are integral multiples of one one-

                                       C-3
<Page>

thousandth of a share of Preferred Stock, which may, at the election of the
Company, be evidenced by depositary receipts), but in lieu thereof a cash
payment will be made, as provided in the Rights Agreement.

         No holder of this Rights Certificate, as such, shall be entitled to
vote or receive dividends or be deemed for any purpose the holder of shares of
Preferred Stock or of any other 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 Rights
Certificate shall have been exercised as provided in the Rights Agreement.

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

         WITNESS the facsimile signature of the proper officers of the Company
and its corporate seal.

Dated as of [_________________]

ATTEST:                                   PLANETCAD INC.

                                          By:
----------------------------                 -----------------------------------
                                          Name:
                                               ---------------------------------
                                          Title:
                                                --------------------------------

Countersigned:

WELLS FARGO BANK MINNESOTA, N.A.

By:
   ---------------------------------------
         Authorized Signature

                                       C-4
<Page>

                  [Form of Reverse Side of Rights Certificate]

                               FORM OF ASSIGNMENT
                (To be executed by the registered holder if such
               holder desires to transfer the Rights Certificate.)

FOR VALUE RECEIVED the undersigned hereby sells, assigns and transfers unto:

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

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

Dated:                  ,
      ------------------ ------

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

Signature Medallion Guaranteed:

                                       C-5
<Page>

                                   CERTIFICATE

         The undersigned hereby certifies by checking the appropriate boxes
that:

         (1) this Rights Certificate [ ] is [ ] is not being sold, assigned and
transferred by or on behalf of a Person who is or was an Acquiring Person or an
Affiliate or Associate of any such Person (as such terms are defined pursuant to
the Rights Agreement); and

         (2) after due inquiry and to the best knowledge of the undersigned, it
[ ] did [ ] did not acquire the Rights evidenced by this Rights Certificate from
any Person who is, was or subsequently became an Acquiring Person or an
Affiliate or Associate of any such Person.

Dated:                  ,
      ------------------ ------     --------------------------------------------
                                    Signature

Signature Medallion Guaranteed:

                                     NOTICE

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

                                      C-6

<Page>

                          FORM OF ELECTION TO PURCHASE
               (To be executed if the registered holder desires to
             exercise Rights represented by the Rights Certificate.)

To:      PlanetCAD Inc.

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

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

Please insert social security
or other identifying number:
                            --------------------------------

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

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

Please insert social security
or other identifying number:
                            --------------------------------

Dated:                  ,
      ------------------ ------

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

Signature Medallion Guaranteed:

                                      C-7

<Page>

                                   CERTIFICATE

         The undersigned hereby certifies by checking the appropriate boxes
that:

         (1) the Rights evidenced by this Rights Certificate [ ] are [ ] are not
being exercised by or on behalf of a Person who is or was an Acquiring Person or
an Affiliate or Associate of any such Person (as such terms are defined in the
Rights Agreement); and

         (2) after due inquiry and to the best knowledge of the undersigned, it
[ ] did [ ] did not acquire the Rights evidenced by this Rights Certificate from
any Person who is, was or became an Acquiring Person or an Affiliate or
Associate of any such Person.

Dated:                  ,
      ------------------ ------

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

Signature Medallion Guaranteed:

                                     NOTICE

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

                                      C-8

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