| 1. | Purpose of      Plan |
|----|----------------------|

| 2. | Definitions |
|----|-------------|

| 3. | Limits on Number of      Shares |
|----|---------------------------------|

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| 4. | Adjustment of      Options |
|----|----------------------------|

| 5. | Granting of      Options |
|----|--------------------------|

| 6. | Terms of      ISOs |
|----|--------------------|

|   | (a) | The      ISO price shall be fixed by the Board or the Committee but shall in no      event be less than 100% of the fair market value of the Shares subject to      the ISO on the date the ISO is granted.  The ISO price, in the      case of an Optionee who, at the time the Option is granted, owns more than      10% of the outstanding Shares of Commerce's common stock shall be at least      110% of the fair market value of the Shares subject to the ISO on the date      the ISO is granted. |
|--------|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (b) | ISOs      shall not be transferable otherwise than by will or by the laws of descent      and distribution.  No ISO shall be subject, in whole or in part,      to attachment, execution or levy of anykind. |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (c) | Each      ISO shall expire and all rights under the ISO shall end at the expiration      of the exercise period for the ISO, which shall in no event be extended      beyond its original term and shall not be more than ten years after the      date on which it was granted.  Provided, however, that in the      case of an Optionee who, at the time the Option is granted, owns more than      10% of the outstanding shares of Commerce's common stock, ISOs shall      expire no more than five years after the date on which the ISO was      granted. |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (d) | ISOs      shall be exercisable only by the Optionee during the Optionee’s      lifetime.  ISOs may be exercised only while employed by Commerce      or within (i) three years after retirement, or (ii) three months after      termination of employment (but in any event not later than the end of the      period fixed by the Board or the Committee of the Board in accordance with      the provisions of paragraph (c) of Section 6.  An ISO is      exercisable by retired or terminated Optionees only to the extent the ISO      was exercisable by the Optionee on the last day of his or her employment      with Commerce.  For purposes of this paragraph (d), retirement      shall mean termination of employment by an Optionee who has attained age      62.  If an Optionee retires due to disability, the ISOs granted      to the Optionee shall be exercisable within 12 months of the date of      retirement (but in any event not later than the end of the period fixed by      the Board or the Committee of the Board in accordance with the provisions      of paragraph (c) of this Section 6. |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (e) | If      an Optionee dies within a period during which an ISO could have been      exercised by the Optionee, the ISO may be exercised within three years      after the Optionee’s death (but not later than the end of the period fixed      by the Board or the Committee of the Board in accordance with the      provisions of paragraph (c) of this Section 6) by those entitled under the      Optionee’s will or the laws of descent and distribution, but only if and      to the extent the ISO was exercisable by the Optionee immediately prior to      the Optionee’s death. |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (f) | If      Optionee's employment with Commerce is terminated by Commerce for the      misconduct of Optionee, all ISOs granted to the Optionee prior to      termination shall be forfeited by Optionee and rendered      unexercisable. |
|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (g) | ISOs      may be exercised in whole or in part from time to time, subject to the      provisions of this Plan and to such additional or different terms      regarding the exercise of the ISOs as the Board or the Committee of the      Board may fix at the time of grant. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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|   | (h) | ISOs      shall not be granted to any individual pursuant to this Plan, the effect      of which would be to permit that individual first to exercise ISOs, in any      calendar year, for the purchase of Shares having a fair market value in      excess of $100,000 (determined at the time of the grant of the      ISOs.  Any Optionee may exercise ISOs for the purchase of Shares      valued in excess of $100,000 (determined at the grant of the ISOs) in any      calendar year, but only if the right to exercise the ISOs shall have first      become available in prior calendaryears. |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | NQSOs      granted under this Plan shall contain the following  terms: |
|--------|------------------------------------------------------------------------|

|   | (a) | The      NQSO price shall be fixed by the Board or the Committee, and may be less      than 100% of the fair market of the Shares subject to the NQSO on the date      the NQSO is granted. |
|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (b) | NQSOs      shall not be transferable otherwise than by will or by the laws of descent      and distribution.  No NQSO shall be subject, in whole or in      part, to attachment, execution or levy of any  kind. |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (c) | Each      NQSO shall expire and all rights under the NQSO shall end at the      expiration of the exercise period for the NQSO, which shall in no event be      extended beyond its original term and shall not be more than ten years      after the date on which it was granted.  The Board or the      Committee shall establish the exercise period for each NQSO, subject in      all cases to paragraphs (d), (e) and (f) of this Section  7. |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (d)    | NQSOs      shall be exercisable only by the Optionee during the Optionee’s      lifetime.  NQSOs may be exercised only while employed by      Commerce or within (i) three years after retirement, or (ii) three months      after termination of employment (but in any event not later than the end      of the period fixed by the Board or the Committee of the Board in      accordance with the provisions of paragraph (c) of Section      7).  An NQSO is exercisable by retired or terminated Optionees      only to the extent the NQSO was exercisable by the Optionee on the last      day of his or her employment with Commerce.  For purposes of      this paragraph (d), retirement shall mean termination of employment by an      Optionee who has attained age 62.  If an Optionee retires due to      disability, the NQSOs granted to the Optionee shall be exercisable within      12 months of the date of retirement (but in any event not later than the      end of the period fixed by the Board or the Committee of the Board in      accordance with the provisions of paragraph (c) of this Section      7). |
|--------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |

|   | (e) | If      an Optionee dies within a period during which an NQSO could have been      exercised by the Optionee, the NQSO may be exercised within three years      after the Optionee’s death (but not later than the end of the period fixed      by the Board or the Committee of the Board in accordance with the      provisions of paragraph (c) of this Section 7) by those entitled under the      Optionee’s will or the laws of descent and distribution, but only if and      to the extent the NQSO was exercisable by the Optionee immediately prior      to the Optionee’s death. |
|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (f) | If      Optionee's employment with Commerce is terminated by Commerce for the      misconduct of Optionee, all NQSOs granted to the Optionee prior to      termination shall be forfeited by Optionee and rendered      unexercisable. |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (g) | NQSOs      may be exercised in whole or in part from time to time, subject to the      provisions of this Plan and to such additional or different terms      regarding the exercise of the NQSOs as the Board or the Committee of the      Board may fix at the time of grant. |
|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 8. | Vesting of      Options |
|----|-------------------------|

|   | Years of Service                             | Percent Vested                   |
|--------|----------------------------------------------|----------------------------------|
|   |                                         |                             |
|   | Less      than 3 years                       |          25%      |
|   | More      than 3 years and less than 6 years | 50                               |
|   | More      than 6 years and less than 8 years | 75                               |
|   | More      than 8 years                       | 100                              |
|   |                                         |                             |
|   | Option Holding Period                        | Percent Vested                   |
|   |                                         |                             |
|   | Less      than 1 year                        |           0% |
|   | More      than 1 year and less than 2 years  | 25                               |
|   | More      than 2 years and less than 3 years | 50                               |
|   | More      than 3 years and less than 4 years | 75                               |
|   | More      than 4 years                       | 100                              |

|   | Option Holding Period                        | Percent Vested                   |
|--------|----------------------------------------------|----------------------------------|
|   |                                         |                             |
|   | Less      than 1 year                        |           0% |
|   | More      than 1 year and less than 2 years  | 25                               |
|   | More      than 2 years and less than 3 years | 50                               |
|   | More      than 3 years and less than 4 years | 75                               |
|   | More      than 4 years                       | 100                              |

| 9. | Exercise Eligibility      Period Following Termination of  Employment |
|----|-----------------------------------------------------------------------|

|   |                       |                       | Exercise      Eligibility |
|--------|----------------------------|----------------------------|---------------------------|
|   |                       | Options      Eligible      | Period      for Option    |
|   | Termination Reason         |  for      Exercise    |  Tax Treatment       |
|   |                       |                       |                      |
|   | Retirement                 | 100%      of outstanding   | 3      years from         |
|   |                       | Options                    | retirement      date      |
|   |                       |                       |                      |
|   | Death      while employed  | 100%      of outstanding   | 3      years from         |
|   |                       | Options                    | date      of death        |
|   |                       |                       |                      |
|   | Total      & permanent | 100%      of outstanding   | 1      year from term-    |
|   | disability                 | Options                    | ination      date         |
|   |                       |                       |                      |
|   | Misconduct                 | None                       | Not      applicable       |
|   |                       |                       |                      |
|   | Any      other reason      | Any      Option 100% vest- | 3      months from        |
|   |                       | ed      plus the vested    | termination      date     |
|   |                       | portion      of the next   |                      |
|   |                       | oldest      Option         |                      |
|   |                       |                       |                      |

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| 10. | Reorganization of      Commerce |
|-----|---------------------------------|

| 11. | Delivery of      Shares |
|-----|-------------------------|

| 12. | Continuation of      Employment |
|-----|---------------------------------|

| 13. | Administration |
|-----|----------------|

| 14. | Reservation of      Shares |
|-----|----------------------------|

| 15. | Amendment of      Plan |
|-----|------------------------|

| 16. | Termination of the      Plan |
|-----|------------------------------|

| 17. | Effective Date -      Shareholder Approval |
|-----|--------------------------------------------|

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