ARCH CAPITAL GROUP LTD
EX-10.4
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<p align="right" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:right;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Exhibit
10.4</font></b></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">ARCH
CAPITAL GROUP LTD. INCENTIVE COMPENSATION PLAN</font></b></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;page-break-after:avoid;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SECTION 1.&#160; <u>Purpose</u>.</font></b></h1>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Arch Capital Group
Ltd., a Bermuda company (the &#147;<u>Company</u>&#148;), hereby establishes this Incentive
Compensation Plan (as amended from time to time, the &#147;<u>Plan</u>&#148;) in order to
provide the Company&#146;s employees with an opportunity to earn annual bonus
compensation as an incentive and reward for their efforts to achieve the
financial and strategic objectives of the Company.</font></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;page-break-after:avoid;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SECTION 2.&#160; <u>Definitions</u>.</font></b></h1>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.1</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>After-Tax
Profit (Loss)</u>&#148; has the meaning specified on <u>Schedule I</u> hereto.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.2</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Aggregate
Target Amount</u>&#148; has the meaning specified in Section 4.3(a) hereof.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.3</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Award</u>&#148;
means the amount of bonus compensation to which an Eligible Employee is
entitled for each Plan Year as determined by the Committee pursuant to Section
4 and 5 of the Plan, which may be paid in cash, restricted common shares of the
Company or stock options as provided in Section 5 of the Plan.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.4</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Board</u>&#148;
means the Board of Directors of the Company.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.5</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Cash Flow</u>&#148; has the meaning specified
on <u>Schedule I</u> hereto.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.6</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>CAT Business</u>&#148; means business
classified by the Company as property catastrophe reinsurance.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.7</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Cause</u>&#148;<b><font style="font-weight:bold;">  </font></b>means, with respect to an
Eligible Employee, (a) theft or embezzlement by the Eligible Employee with
respect to the Company or its Subsidiaries; (b) malfeasance or negligence in
the performance of the Eligible Employee&#146;s duties; (c) the commission by the
Eligible Employee of any felony or any crime involving moral turpitude; (d)
willful or prolonged absence from work by the Eligible Employee (other than by
reason of disability due to physical or mental illness); (e) failure, neglect
or refusal by the Eligible Employee to adequately perform his or her duties and
responsibilities as determined by the Committee; (f) continued and habitual use
of alcohol by the Eligible Employee to an extent which materially impairs the
Eligible Employee&#146;s performance of his or her duties without the same being corrected
within ten (10) days after being given written notice thereof; or (g)&nbsp;the
Eligible Employee&#146;s use of illegal drugs without the same being corrected
within ten (10) days after being given written notice thereof.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.8</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Code</u>&#148; means the Internal Revenue Code
of 1986, as amended, including applicable regulations thereunder.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.9</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Committee</u>&#148; means the Compensation
Committee of the Board, or such other Board committee or subcommittee (or the
entire Board) as may be designated by the Board to administer the Plan.</h2>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>


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<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;">&nbsp;</p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.10</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Company</u>&#148; has the meaning specified in
Section 1 hereof or any successor.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.11</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Deficits</u>&#148; has the meaning specified
in Section 4.3(d) hereof.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.12</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Development Period</u>&#148; has the meaning
specified in Section 4.3(e) hereof.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.13</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Eligible
Employee</u>&#148; means an employee of the Company or its Subsidiaries, including
any director who is an employee, who is selected to participate in the Plan by
the Committee.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.14</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Employer</u>&#148; means the Company, Arch
Reinsurance Ltd., Arch Reinsurance Company, Arch Capital Group (U.S.) Inc.,
Arch Insurance Group Inc. and its Subsidiaries, Arch Capital Services Inc., and
any other Subsidiary of the Company that becomes an Employer in accordance with
Section 8.1 hereof.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.15</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Equity</u>&#148; has the meaning specified on <u>Schedule
I</u> hereto.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.16</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Formula Approach</u>&#148; has the meaning
specified in Section 4.1 hereof.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.17</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Formula Approach Pool</u>&#148; has the
meaning specified in Section 4.3(a) hereof.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.18</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Hurdle ROE</u>&#148; has the meaning specified
in Section 4.3(b) hereof.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.19</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Insurance Segment</u>&#148; means the business
segment of the Company consisting of its core insurance Subsidiaries, including
Arch Insurance Group Inc. and its Subsidiaries, and any other insurance
Subsidiary of the Company that becomes an Employer in accordance with Section
8.1 hereof.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.20</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Investment Income</u>&#148; has the meaning
specified on <u>Schedule I</u> hereto.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.21</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Maximum Carryforward Amount</u>&#148; has the
meaning specified in Section 4.3(c) hereof.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.22</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Maximum Formula Approach Pool</u>&#148; has
the meaning specified in Section 4.3(c) hereof</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.23</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Operating Expenses</u>&#148; has the meaning
specified on <u>Schedule I</u> hereto.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.24</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Permanent Disability</u>&#148;<b><font style="font-weight:bold;">  </font></b>means,
with respect to an Eligible Employee, those circumstances where the Eligible
Employee is unable to continue to perform the usual customary duties of his or
her assigned job for a period of six (6) months in any twelve (12) month period
because of physical, mental or emotional incapacity resulting from injury,
sickness or disease.&#160; Any questions as
to the existence of a Permanent Disability shall be determined by a qualified,
independent physician selected by the Company and approved by the Eligible Employee
(which</h2>

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</font></div>

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<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;">&nbsp;</p>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">approval shall not be unreasonably withheld).&#160; The determination of any such physician shall be final and
conclusive for all purposes of this Plan.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.25</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Plan</u>&#148; has the meaning specified in
Section 1 hereof.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.26</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Plan
Year</u>&#148; means (i) with respect to the Target Bonus Approach, a calendar year
and (ii) with respect to the Formula Approach, an underwriting (or policy) year
commencing on January 1 and ending on December 31 during which an accounting
shall be made for all Underwriting Profit (Loss) attributable to Policies
having an inception or renewal date during such 12-month period.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.27</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Policies</u>&#148; means policies, binders,
contracts or agreements of insurance or reinsurance.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.28</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Reinsurance Segment</u>&#148; means the
business segment of the Company consisting of its core reinsurance
Subsidiaries, including Arch Reinsurance Ltd. and Arch Reinsurance Company, and
any other reinsurance Subsidiary of the Company that becomes an Employer in
accordance with Section 8.1 hereof.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.29</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>ROE</u>&#148; has the meaning specified on <u>Schedule
I</u> hereto.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.30</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Senior
Executives</u>&#148; has the meaning set forth in Section 4.1 hereof.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.31</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Subsidiary</u>&#148;
means any corporation (other than the Company) in an unbroken chain of corporations
beginning with the Company if each of the corporations (other than the last
corporation in the unbroken chain) owns shares possessing 50% or more of the
total combined voting power of all classes of stock in one of the other
corporations in the chain.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.32</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Target Bonus Approach</u>&#148; has the
meaning specified in Section 4.1 hereof.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.33</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Target Bonus Approach Pool</u>&#148; has the
meaning specified in Section 4.2(a) hereof.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.34</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Target Bonus Opportunity</u>&#148; means, with
respect to each Eligible Employee, a target bonus expressed as a percentage of
his or her annual base salary, which is intended as an approximation of the
bonus payment that would be paid if aggressive performance goals and other expectations
are met by both the Eligible Employee and the business segment or unit he or
she is employed by.&#160; The Target
Bonus Opportunity for each Eligible Employee shall be periodically established
(i) by senior management of the applicable business segment or unit and (ii) by
the Committee, in the case of certain Senior Executives designated by the
Committee (subject to applicable employment agreements).</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.35</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>&#147;<u>Underwriting Profit (Loss)</u>&#148; has the
meaning specified on <u>Schedule I</u> hereto.</p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>


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</font></div>

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</font>

<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;">&nbsp;</p>

<h1 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;page-break-after:avoid;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SECTION 3.</font></b><b><font size="1" style="font-size:3.0pt;font-weight:bold;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Administration</u>.</b></h1>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The Plan shall be
administered by the Committee.&#160; The
Committee shall have the authority, in its sole discretion, to administer the
Plan and to exercise all of the powers and authorities either specifically
granted to it under the Plan or necessary or advisable in the administration of
the Plan, including, without limitation, the authority to (i) establish
performance goals for the awarding of Awards for each Plan Year; (ii) determine
the Eligible Employees to whom Awards are to be made for each Plan Year; (iii)
determine whether performance goals for each Plan Year have been achieved; (iv)
authorize payment of Awards under the Plan; (v) adopt, alter and repeal such
administrative rules, guidelines and practices governing the Plan and make all
other determinations and judgments relating to the Plan as it shall deem
advisable; and (vi) interpret the terms and provisions of the Plan; provided
that neither the Committee nor the Board shall have any discretion to reduce
any previously determined Award.&#160; All
determinations made by the Committee with respect to the Plan and Awards
thereunder shall be final and binding on all persons, including the Company and
all Eligible Employees.</font></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h1 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;page-break-after:avoid;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SECTION 4.</font></b><b><font size="1" style="font-size:3.0pt;font-weight:bold;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Determination
of Awards</u>.</b></h1>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.1</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Performance
Measures</u>.&#160; The Plan combines two
sets of performance measures:&#160; (i) a
qualitative judgment about progress and performance each Plan Year based on a
number of factors, including the management plan for such Plan Year and
non-prescribed measures (the &#147;<u>Target Bonus Approach</u>&#148;), as set forth in
Section 4.2 hereof; and (ii) a quantitative, formula-based measure (the &#147;<u>Formula
Approach</u>&#148;), as set forth in Section 4.3 hereof.&#160; The Target Bonus Approach shall apply to certain senior
executives (the &#147;<u>Senior Executives</u>&#148;) of each of the insurance and
reinsurance Subsidiaries of the Company designated by the Committee from time
to time.&#160; The Formula Approach shall
apply to those Eligible Employees designated by the Senior Executives.&#160; All Eligible Employees of Arch Capital
Services Inc. and any non-designated Eligible Employees shall be subject to the
Target Bonus Approach.&#160; Awards under the
Target Bonus Approach and the Formula Approach shall be determined as set forth
in Section 4.2 and Section 4.3, respectively, and shall be payable as set forth
in Section 5 hereof.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.2</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Target
Bonus Approach</u>.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><i><u><font style="font-style:italic;">Target
Bonus Approach Pool</font></u>.</i>&#160;
Under the Target Bonus Approach, a separate bonus pool shall be
established for the Company, the Insurance Segment, the Reinsurance Segment and
Arch Capital Services Inc. for each Plan Year (each, a &#147;<u>Target Bonus
Approach Pool</u>&#148;).&#160; The Target Bonus
Approach Pool for each segment for any given Plan Year shall initially equal
the sum of the individual Target Bonus Opportunities for each Eligible Employee
included in such segment, which amount shall be adjusted upward or downward to
reflect the segment&#146;s actual performance as recommended by senior management of
the applicable business segment or unit but determined by the Committee.&#160; Performance shall be judged against the
achievement of the strategic and financial objectives</p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4</font></p>


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<hr size="2" width="100%" noshade color="gray" align="left">

</font></div>

<font size="2" face="Times New Roman" style="font-size:10.0pt;">
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<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;">&nbsp;</p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">contained in the
applicable management plan submitted to the Board for the Plan Year, peer group
performance and other measures deemed applicable by the Committee.</font></p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><i><u><font style="font-style:italic;">Individual
Participation</font></u>.&#160; </i>At the
individual level, actual performance bonuses for each Eligible Employee shall
reflect both individual and segment performance.&#160; An Eligible Employee&#146;s participation in the applicable Target
Bonus Approach Pool shall be initially based on his or her Target Bonus
Opportunity, which participation shall be adjusted based on his or her performance.&#160; Any such adjustments shall be made in a zero
sum manner and not affect the overall size of the Target Bonus Approach
Pool.&#160; All performance assessments shall
include both objective and subjective elements, and the general performance
weighting guidelines between segment and individual performance to be applied
to an Eligible Employee&#146;s Target Bonus Opportunity shall be determined by
senior management of the applicable business segment or unit.</p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.3</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Formula
Approach</u>.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><i><u><font style="font-style:italic;">Formula
Approach Pool</font></u>.</i>&#160; Under the
Formula Approach, a separate bonus pool shall be established for the Insurance
Segment and the Reinsurance Segment for each Plan Year (each, a &#147;<u>Formula
Approach Pool</u>&#148;).&#160; Unless otherwise
determined by the Committee, any Underwriting Profit (Loss) generated from
business initially underwritten by the Insurance Segment and re-underwritten by
the Reinsurance Segment shall be applied solely to the Insurance Segment&#146;s
Formula Approach Pool.&#160; The Formula
Approach Pool for each of the Insurance Segment and the Reinsurance Segment for
any given Plan Year shall initially equal the sum of the individual Target
Bonus Opportunities for each Eligible Employee included in such segment (each,
an &#147;<u>Aggregate Target Amount</u>&#148;).&#160;
The actual Formula Approach Pool would be a percentage of the Aggregate
Target Amount based upon the ROE achieved for such Plan Year.&#160; <u>Schedule II</u> sets forth the size of
the Formula Approach Pool based on various levels of ROE, which schedule shall
be reviewed and may be adjusted by the Committee for each Plan Year.</p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><i><u><font style="font-style:italic;">Hurdle
ROE</font></u></i>.&#160; With respect to the
Insurance Segment and the Reinsurance Segment, no Awards shall be payable in a
given Plan Year unless a minimum ROE of 8%, without taking into account any
amounts carried forward pursuant to Section 5.3(c) hereof (the &#147;<u>Hurdle ROE</u>&#148;),
is achieved by such segment for such Plan Year.</p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><i><u><font style="font-style:italic;">Maximum
Formula Approach Pool; Carryforwards</font></u></i>.&#160; For any given Plan Year, the maximum Formula Approach Pool for
each of the Insurance Segment and the Reinsurance Segment shall equal 200% of
the applicable Aggregate Target Amount (each, a &#147;<u>Maximum Formula Approach
Pool</u>&#148;).&#160; Amounts in excess of each
Maximum Formula Approach Pool up to an additional 200% of such Maximum Formula
Approach Pool (the &#147;<u>Maximum Carryforward Amount</u>&#148;) shall be carried
forward and made available in Plan Years where the applicable Maximum Formula Approach
Pool is not met,</p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5</font></p>


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<hr size="2" width="100%" noshade color="gray" align="left">

</font></div>

<font size="2" face="Times New Roman" style="font-size:10.0pt;">
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</font>

<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;">&nbsp;</p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">provided that the amount
which may be carried forward to any subsequent Plan Year shall not exceed 25%
of the Maximum Carryforward Amount.</font></p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(d)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><i><u><font style="font-style:italic;">Deficits</font></u></i>.&#160; After-Tax Losses (and not After-Tax Profit
that is below the Hurdle ROE) for a given Plan Year (&#147;<u>Deficits</u>&#148;) shall
offset available After-Tax Profit in subsequent Plan Years until all Deficits
are eliminated.</p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(e)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><i><u><font style="font-style:italic;">Development
Period</font></u></i>.&#160; For each Plan
Year, the Formula Approach Bonus Pool for each of the Insurance Segment and the
Reinsurance Segment shall be calculated annually for 10 years (a &#147;<u>Development
Period</u>&#148;).&#160; The first calculation
shall be made within three months following the end of the initial 12-month
calendar year period included in each Plan Year, and the final calculation
shall be made within three months following the end of the tenth year following
the commencement of such Plan Year, with losses and loss adjustment expenses
(if any) projected to ultimate and discounted to present value basis at such
time.</p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(f)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><i><u><font style="font-style:italic;">CAT
Business</font></u>.</i>&#160; The results of CAT Business shall be calculated
over five-year periods based on actual catastrophe experience (terrorism
included).&#160; Accordingly, at the end of
(i) the fifth Plan Year and (ii) each five-year period thereafter, Underwriting
Profit (Loss) and Cash Flow shall be initially determined for CAT Business for
such five-year period, and then such Underwriting Profit (Loss) and Cash Flow
shall be allocated to each Plan Year included in the five-year period based on
net premiums written attributable to CAT Business Policies having an inception
or renewal date within such Plan Year.&#160;
Following such initial calculation, the results of CAT Business shall be
part of the annual recalculations of Underwriting Profit (Loss) and Cash Flow
for the remainder of the respective Development Period relating to each Plan
Year.</p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(g)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><i><u><font style="font-style:italic;">Individual
Participation</font></u></i>.&#160;
Individual participation in the applicable Formula Approach Pool shall
be initially determined based on the relative Target Bonus Opportunity of each
of the designated Eligible Employees and shall be subject to adjustment each
Plan Year by senior management of the applicable business segment or unit based
on criteria it deems appropriate, provided that any such adjustments shall be
made in a zero sum manner and not affect the overall size of the applicable
Formula Approach Pool.</p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(h)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><i><u><font style="font-style:italic;">Board
Review of Formula Approach</font></u></i>.&#160;
If the Board or the Committee determines that the Formula Approach results
in compensation levels that do not appropriately reflect the Company&#146;s
underlying performance, then the Board or the Committee may terminate the
Formula Approach or make adjustments to it that it deems appropriate.</p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h1 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;page-break-after:avoid;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SECTION 5.</font></b><b><font size="1" style="font-size:3.0pt;font-weight:bold;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Payment
of Awards</u>.</b></h1>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.1</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Form
of Award</u>.&#160; The Committee in its sole
discretion shall determine for any Plan Year whether any Awards payable in that
year shall be paid in cash or in restricted common shares of the Company or
stock options.&#160; Any Awards to be paid in
restricted common shares or</p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">6</font></p>


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</font></div>

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<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;">&nbsp;</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">stock
options shall be made under the Company&#146;s 2002 Long Term Incentive and Share
Award Plan (or any successor thereto).</font></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.2</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Payout
Period</u>.&#160; For each Plan Year, and
subject to Section 5.3 hereof, unless otherwise determined by the Committee,
Awards under the Target Bonus Approach and the Formula Approach shall be paid
over a four-year period as follows:&#160; 40%
shall be paid within three months of the end of such Plan Year, and 20% shall
be paid within three months of the end of each of the next three calendar
years.&#160; If, following such initial
four-year period relating to a given Plan Year, any additional amounts are owed
to Eligible Employees under the Formula Approach as a result of recalculation
of the applicable Formula Approach Pool, then such amounts shall be paid to
such Eligible Employees when bonuses are next paid hereunder.&#160; Notwithstanding the foregoing, junior
employees subject to the Target Bonus Approach, as designated by senior management
of the applicable business segment or unit, shall receive 100% of their Awards
within three months following the end of each Plan Year, and the payment
schedule for junior employees subject to the Formula Approach shall be
determined by senior management.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.3</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Vesting</u>.&#160; Each Eligible Employee must be employed by
the Company at the time of each payment of an Award unless terminated by the
Company not for Cause or as a result of death or Permanent Disability.&#160; In
the event an Eligible Employee ceases to be an employee of the Company prior to
the date an Award is paid (i) due to termination by the Company not for Cause
or (ii) as a result of death or Permanent Disability, the Award shall become
vested in full at the time of such termination of service and shall be paid when
bonuses are next paid hereunder following such termination of employment in the form determined by the
Committee.&#160; If the Eligible Employee
ceases to be an employee of the Company for any other reason prior to the date
that an Award is paid, the Award shall be forfeited by the Eligible Employee
and become the property of the Company.&#160;
For purposes hereof, service with any of the Subsidiaries shall be
considered to be service with the Company.&#160;
Vested amounts shall reflect applicable carryforwards and
Deficits, and terminated employees unvested amounts shall be removed from the applicable
bonus pool.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h1 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;page-break-after:avoid;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SECTION 6.</font></b><b><font size="1" style="font-size:3.0pt;font-weight:bold;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Non-Transferability</u>.</b></h1>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">No Award or rights
under this Plan may be transferred or assigned other than by will or by the
laws of descent and distribution.</font></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h1 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;page-break-after:avoid;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SECTION 7.</font></b><b><font size="1" style="font-size:3.0pt;font-weight:bold;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Amendments
and Termination</u>.</b></h1>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The Board may
terminate the Plan at any time and may amend it from time to time, provided,
however, that no termination or amendment of the Plan shall adversely affect
the rights of an Eligible Employee or a beneficiary to a previously determined
Award without the written consent of such Eligible Employee or beneficiary.</font></p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">7</font></p>


<div style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">

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</font></div>

<font size="2" face="Times New Roman" style="font-size:10.0pt;">
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<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;">&nbsp;</p>

<h1 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;page-break-after:avoid;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SECTION 8.</font></b><b><font size="1" style="font-size:3.0pt;font-weight:bold;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>General
Provisions</u>.</b></h1>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">8.</font>1<font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Subsidiaries</u>.&#160; Any
Subsidiary of the Company may, upon approval by the Committee, become an
Employer under the terms of the Plan.&#160;
Notwithstanding any provision of the Plan to the contrary, benefits
payable under the Plan to an Eligible Employee or his or her beneficiary shall
be the obligation of the Employer who actually employs (or, in the case an Eligible
Employee who is no longer employed by an Employer, last employed) the Eligible
Employee; <u>provided</u>, <u>however</u>, that in the event the Eligible
Employee&#146;s employer fails to make a payment of benefits to the Eligible
Employee or his or her beneficiary when due under the terms of the Plan, the
Company (the parent company of the Employers) shall be obligated to make such
benefit payments in accordance with the terms of the Plan.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">8.2</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Unfunded
Plan</u>.&#160; The Plan shall be an unfunded
incentive compensation arrangement.&#160;
Nothing contained in the Plan, and no action taken pursuant to the Plan,
shall create or be construed to create a trust of any kind.&#160; An Eligible Employee&#146;s right to receive a
bonus shall be no greater than the right of an unsecured general creditor of
the Company.&#160; All bonuses shall be paid
from the general funds of the Employers, and no segregation of assets shall be
made to ensure payment of bonuses.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">8.3</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Withholding</u>.&#160; The Company may provide for the withholding
from any benefits payable under this Plan all Federal, state, city or other
taxes as shall be required pursuant to any law or governmental regulation or
ruling.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h1 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;page-break-after:avoid;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">8.4</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Excess Parachute Payments</u>.</h1>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Notwithstanding
any other provision of the Plan, in the event that the amount of payments or
other benefits payable to any Eligible Employee under the Plan (including,
without limitation, the acceleration of any payment or the accelerated vesting
of any payment or other benefit), together with any payments, awards or
benefits payable under any other plan, program, arrangement or agreement
maintained by the Company or one of its affiliates, would constitute an &#147;excess
parachute payment&#148; (within the meaning of Section 280G of the Code), the
payments under this Plan shall be reduced (by the minimum possible amounts)
until no amount payable to the Eligible Employee under the Plan constitutes an
&#147;excess parachute payment&#148; (within the meaning of Section&nbsp;280G of the
Code); <u>provided</u>, <u>however</u>, that no such reduction shall be made if
the net after-tax payment (after taking into account Federal, state, local or
other income, employment and excise taxes) to which the Eligible Employee would
otherwise be entitled without such reduction would be greater than the net
after-tax payment (after taking into account Federal, state, local or other
income, employment and excise taxes) to the Eligible Employee resulting from
the receipt of such payments with such reduction.&#160; If, as a result of subsequent events or conditions (including a
subsequent payment or absence of a subsequent payment under the Plan or other
plans, programs, arrangements or agreements maintained by the Company or one of
its affiliates), it is determined that payments hereunder have</p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">8</font></p>


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</font></div>

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<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;">&nbsp;</p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">been reduced by more than the minimum amount required
under this Section&nbsp;8.4, then an additional payment shall be promptly made
to the Eligible Employee in an amount equal to the excess reduction.</font></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>All determinations required to be made under
this Section&nbsp;8.4, including whether a payment would result in an &#147;excess
parachute payment&#148; and the assumptions to be utilized in arriving at such
determinations, shall be made by an accounting firm designated by the Company
(the &#147;<u>Accounting Firm</u>&#148;) which shall provide detailed supporting
calculations both to the Company and the Eligible Employee as requested by the
Company or the Eligible Employee.&#160; All
fees and expenses of the Accounting Firm shall be borne solely by the Company
and shall be paid by the Company.&#160;
Except as set forth in the last sentence of Section 8.4(a) hereof, all
determinations made by the Accounting Firm under this Section 8.4 shall be
final and binding upon the Company and the Eligible Employee.</p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">8.5</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Hold
Harmless</u>.&#160; No member of the Board of
the Committee, nor any officer or employee of the Company acting on behalf of
the Board or the Committee, shall be personally liable for any action,
determination or interpretation taken or made with respect to the Plan, and all
members of the Board or the Committee and all officers or employees or the
Company acting on their behalf shall, to the extent permitted by law, be fully
indemnified and protected by the Company in respect of any such action,
determination or interpretation.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">8.6</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Other
Benefits; No Right of Employment</u>.&#160;
Nothing set forth in this Plan shall prevent the Board or the Committee
from adopting other or additional compensation arrangements.&#160; Neither the adoption of the Plan or any
Award hereunder shall confer upon an Eligible Employee any right to continued
employment.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<p style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">8.7</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Captions</u>.&#160; The captions preceding the
sections and articles hereof have been inserted solely as a matter of
convenience and in no way define or limit the scope or intent of any provisions
of the Plan.</p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h2 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">8.8</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Governing
Law</u>.&#160; The Plan shall be interpreted,
construed and administered in accordance with the laws of the State of New
York, without giving effect to principles of conflict of laws.</h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h1 style="font-size:10.0pt;font-weight:normal;margin:0in 0in .0001pt;page-break-after:avoid;punctuation-wrap:simple;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SECTION 9.</font></b><b><font size="1" style="font-size:3.0pt;font-weight:bold;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><u>Effective
Date of Plan</u>.</b></h1>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The Plan shall
become effective as of January 1, 2003, and shall remain in effect until such
time as it may be terminated pursuant to Section 7 hereof.</font></p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">9</font></p>


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</font></div>

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</font>

<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;">&nbsp;</p>

<p align="right" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:right;text-autospace:none;text-indent:0in;"><u><font size="2" face="Times New Roman" style="font-size:10.0pt;">Schedule I</font></u></p>

<p align="right" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:right;text-autospace:none;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Unless otherwise indicated, all capitalized terms used below have the
meanings specified in the Plan.</font></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;<u>ROE</u>&#148; means, with respect to each of the Insurance Segment and
the Reinsurance Segment for a given Plan Year, After-Tax Profit (Loss) divided
by Equity.&#160; For each Plan Year, ROE
shall be recalculated annually during the Development Period relating to such
Plan Year.</font></p>

<p style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;<u>After-Tax Profit (Loss)</u>&#148;
means, with respect to each of the Insurance Segment and the Reinsurance
Segment for a given Plan Year, the sum of (i) Underwriting Profit (Loss) and
(ii) Investment Income, taxed based upon the actual effective tax rate of the
Insurance Segment or Reinsurance Segment, as applicable.</font></p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;<u>Cash Flow</u>&#148; means,
with respect to the Insurance Segment and the Reinsurance Segment for a given
Plan Year, net operating cash flow for such segment reflecting premiums
collected, net of reinsurance, loss and loss adjustment expenses paid,
underwriting expenses paid and all other operating expenses, including
unallocated loss adjustment expenses, allocation of expenses from the Company
and Arch Capital Services Inc., federal excise taxes, applicable income taxes
and costs of letters of credit, but excluding bonuses payable to Eligible
Employees (&#147;<u>Operating Expenses</u>&#148;).&#160;
For such purposes, CAT Business shall be reflected in the Formula
Approach in the manner described in Section 4.3(f) of the Plan.</font></p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;<u>Equity</u>&#148; means, with
respect to each of the Insurance Segment and the Reinsurance Segment for a
given Plan Year, the amount of capital allocated to each such segment as recommended
by senior management and determined by the Committee.</font></p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;<u>Investment Income</u>&#148;
means, with respect to the Insurance Segment and the Reinsurance Segment for a
given Plan Year, the sum of investment income, compounded as per the applicable
U.S. treasury security, on:</font></p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt 1.5in;punctuation-wrap:simple;text-autospace:none;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(i)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Equity, calculated at a rate equal to the
average rate earned on the investment portfolios of the Company and its
Subsidiaries during the initial 12-month calendar year period included in the
Plan Year, net of investment expenses relating to such portfolios; and</p>

<p style="margin:0in 0in .0001pt 1.5in;punctuation-wrap:simple;text-autospace:none;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt 1.5in;punctuation-wrap:simple;text-autospace:none;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(ii)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Cash Flow, calculated at the following
rates:&#160; (A) with respect to all business
other than property business, the average risk free rate equal to the yield on
a U.S. Treasury security with a duration equal to estimated weighted average duration
of the underwriting (or policy) year liabilities, net of estimated investment
expenses relating to a portfolio of U.S. Treasury securities, and, (B) with respect
to property business, the average risk free rate equal to the yield on a U.S.
Treasury security with a one year duration, net of estimated investment
expenses relating to a portfolio of U.S. Treasury securities.</p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>


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</font></div>

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<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;">&nbsp;</p>

<p style="margin:0in 0in .0001pt .5in;punctuation-wrap:simple;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;<u>Underwriting Profit
(Loss)</u>&#148; reflects, with respect to each of the Insurance Segment and the
Reinsurance Segment for a given Plan Year, (i) net premiums earned, fee income,
losses and loss adjustment expenses and acquisition expenses attributable to
Policies having an inception or renewal date within the Plan Year and (ii) all
other Operating Expenses incurred during the initial 12-month calendar year
period included in the Plan Year.&#160; For
such purposes, CAT Business shall be reflected in the Formula Approach in the
manner described in Section 4.3(f) of the Plan.</font></p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;punctuation-wrap:simple;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">I-2</font></p>


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