ARCHCAPITAL GROUP LTD. Restricted Share Agreement

EXHIBIT 10.12.6

ARCH CAPITAL GROUP LTD.
Restricted Share Agreement

THIS AGREEMENT, dated as of July 1, 2005, between Arch Capital Group Ltd. (the “Company”), a Bermuda company, and Preston Hutchings (the “Employee”).

WHEREAS, the Employee has been granted the following award in connection with his or her retention as an employee and as compensation for services to be rendered; and the following terms reflect the Company’s 2002 Long Term Incentive and Share Award Plan (the “Plan”);

NOW, THEREFORE, in consideration of the premises and mutual covenants contained herein, the parties hereto agree as follows.

1.             Award of Shares.  Pursuant to the provisions of the Plan, the terms of which are incorporated herein by reference, the Employee is hereby awarded 12,500 Restricted Shares (the “Award”), subject to the terms and conditions herein set forth.  Capitalized terms used herein and not defined shall have the meanings set forth in the Plan.  In the event of any conflict between this Agreement and the Plan, the Plan shall control.

2.             Terms and Conditions.  It is understood and agreed that the Award of Restricted Shares evidenced hereby is subject to the following terms and conditions:

(a)           Vesting of Award.  Subject to Section 2(b) below and the other terms and conditions of this Agreement, this Award shall become vested on the fifth anniversary of the date hereof.  Unless otherwise provided by the Company, all dividends and other amounts receivable in connection with any adjustments to the Shares under Section 4(c) of the Plan shall be subject to the vesting schedule in this Section 2(a).

(b)           Termination of Service; Forfeiture of Unvested Shares.  Except as otherwise set forth in Section 2(a) above, in the event the Employee ceases to be an employee of the Company prior to the date the Restricted Shares otherwise become vested (i) due to his death or Permanent Disability (as defined below) or (ii) due to termination by the Company not for Cause (as defined below), the Restricted Shares subject to the Award shall become vested in full at the time of such termination of service.  If the Employee ceases to be an Employee of the Company for any other reason prior to the date the Restricted Shares become vested, the Award shall be forfeited by the Employee and become the property of the Company.  For purposes of this Agreement, service with any of the Company’s Subsidiaries (as defined in the Plan) shall be considered to be service with the Company.

For purposes hereof,  “Cause” means (a) theft or embezzlement by the Employee with respect to the Company or its subsidiaries; (b) malfeasance or gross negligence in the performance of the Employee’s duties; (c) the commission by the Employee of any felony or any crime involving moral turpitude; (d) willful or prolonged absence from work by the Employee (other than by reason of disability due to physical or mental ill-

ness) or failure, neglect or refusal by the Employee to perform his or her duties and responsibilities without the same being corrected within ten (10) days after being given written notice thereof; (e) continued and habitual use of alcohol by the Employee to an extent which materially impairs the Employee’s performance of his or her duties without the same being corrected within ten (10) days after being given written notice thereof; or (f) the Employee’s use of illegal drugs without the same being corrected within ten (10) days after being given written notice thereof.  For purposes hereof, “Permanent Disability” means those circumstances where the 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.  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 Employee (which approval shall not be unreasonably withheld).  The determination of any such physician shall be final and conclusive for all purposes of this Agreement.

(c)           Certificates.  Each certificate issued in respect of Restricted Shares awarded hereunder shall be deposited with the Company, or its designee, together with, if requested by the Company, a stock power executed in blank by the Employee, and shall bear a legend disclosing the restrictions on transferability imposed on such Restricted Shares by this Agreement (the “Restrictive Legend”).  Upon the vesting of Restricted Shares pursuant to Section 2 hereof and the satisfaction of any withholding tax liability pursuant to Section 5 hereof, the certificates evidencing such vested Shares, not bearing the Restrictive Legend, shall be delivered to the Employee.

(d)           Rights of a Stockholder.  Prior to the time a Restricted Share is fully vested hereunder, the Employee shall have no right to transfer, pledge, hypothecate or otherwise encumber such Restricted Share.  During such period, the Employee shall have all other rights of a stockholder, including, but not limited to, the right to vote and to receive dividends (subject to Section 2(a) hereof) at the time paid on such Restricted Shares.

(e)           No Right to Continued Employment.  This Award shall not confer upon the Employee any right with respect to continuance of employment by the Company nor shall this Award interfere with the right of the Company to terminate the Employee’s employment at any time.

3.             Transfer of Shares.  The Shares delivered hereunder, or any interest therein, may be sold, assigned, pledged, hypothecated, encumbered, or transferred or disposed of in any other manner, in whole or in part, only in compliance with the terms, conditions and restrictions as set forth in the governing instruments of the Company, applicable United States federal and state securities laws or any other applicable laws or regulations and the terms and conditions hereof.

4.             Expenses of Issuance of Shares.  The issuance of stock certificates hereunder shall be without charge to the Employee.  The Company shall pay, and indemnify

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the Employee from and against any issuance, stamp or documentary taxes (other than transfer taxes) or charges imposed by any governmental body, agency or official (other than income taxes) or by reason of the issuance of Shares.

5.             Withholding.  No later than the date of vesting of (or the date of an election by the Employee under Section 83(b) of the Code with respect to) the Award granted hereunder, the Employee shall pay to the Company or make arrangements satisfactory to the Committee regarding payment of any federal, state or local taxes of any kind required by law to be withheld at such time with respect to such Award and the Company shall, to the extent permitted or required by law, have the right to deduct from any payment of any kind otherwise due to the Employee, federal, state and local taxes of any kind required by law to be withheld at such time.

6.             References.  References herein to rights and obligations of the Employee shall apply, where appropriate, to the Employee’s legal representative or estate without regard to whether specific reference to such legal representative or estate is contained in a particular provision of this Agreement.

7.             Notices.  Any notice required or permitted to be given under this Agreement shall be in writing and shall be deemed to have been given when delivered personally or by courier, or sent by certified or registered mail, postage prepaid, return receipt requested, duly addressed to the party concerned at the address indicated below or to such changed address as such party may subsequently by similar process give notice of:

                If to the Company:

                Arch Capital Group Ltd.
                Wessex House, 4^th Floor
                45 Reid Street
                Hamilton HM 12 Bermuda
                Attn.: Secretary

                If to the Employee:

                To the last address delivered to the Company by the
                Executive in the manner set forth herein.

8.             Governing Law.  This Agreement shall be governed by and construed in accordance with the laws of New York, without giving effect to principles of conflict of laws.

9.             Entire Agreement.  This Agreement and the Plan constitute the entire agreement among the parties relating to the subject matter hereof, and any previous agreement or understanding among the parties with respect thereto is superseded by this Agreement and the Plan.

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10.           Counterparts.  This Agreement may be executed in two counterparts, each of which shall constitute one and the same instrument.

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IN WITNESS WHEREOF, the undersigned have executed this Agreement as of the date first above written.

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