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Exhibit 10.12.7, 10.12.12, 10.12.13, 10.12.14  

 
  ARCH CAPITAL GROUP LTD.
  Non-Qualified Stock Option Agreement    
    

        FOR GOOD AND VALUABLE CONSIDERATION, receipt of which is hereby acknowledged, Arch Capital Group Ltd. (the "Company"), a Bermuda company, hereby grants to
                        , an employee of the Company on the date hereof (the "Option Holder"), the option to purchase common
shares, $0.01 par value per share, of the Company ("Shares"), upon the following
terms: 

        WHEREAS,
the Option Holder 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"); 

        (a)    Grant.    The Option Holder is hereby granted an option (the "Option") to
purchase                        Shares (the
"Option Shares") pursuant to the Plan, the terms of which are incorporated herein by reference. The Option is granted as of September 22, 2004 (the "Date of Grant") and such grant is subject to
the terms and conditions herein and the terms and conditions of the applicable provisions of the Plan. This Option shall not be treated as an incentive stock option as defined in Section 422 of
the Internal Revenue Code of 1986, as amended. In the event of any conflict between this Agreement and the Plan, the Plan shall control. 

        (b)    Status of Option Shares.    Upon issue, the Option Shares shall rank equally in all respects with the other
Shares. 

        (c)    Option Price.    The purchase price for the Option Shares shall be, except as herein provided, $39.00 per
Option Share, hereinafter sometimes referred to as the "Option Price," payable immediately in full upon the exercise of the Option. 

        (d)    Term of Option.    The Option may be exercised only during the period (the "Option Period") set forth in
paragraph (f) below and shall remain exercisable until the tenth anniversary of the Date of Grant.
Thereafter, the Option Holder shall cease to have any rights in respect thereof. The right to exercise the Option shall be subject to sooner termination as provided in paragraph (j) below. 

        (e)    No Rights of Shareholder.    The Option Holder shall not, by virtue hereof, be entitled to any rights of a
shareholder in the Company, either at law or in equity. 

        (f)    Exercisability.    Except as otherwise set forth in paragraph (j) below, the Option shall become
exercisable as to one third of the Option Shares on the Date of Grant, as to an additional one-third of the Option Shares on the first anniversary of the Date of Grant, and as to the final
one-third of the Option Shares on the second anniversary of the Date of Grant, in each case subject to paragraph (j) below. Subject to paragraph (j) below, the Option may be
exercised at any time or from time to time during the Option Period in regard to all or any portion of the Option which is then exercisable, as may be adjusted pursuant to paragraph (g) below. 

        (g)    Adjustments for Recapitalization and Dividends.    In the event that, prior to the expiration of the Option,
any dividend in Shares, recapitalization, Share split, reverse split, reorganization, merger, consolidation, spin-off, combination, repurchase, or share exchange, or other such change
affects the Shares such that they are increased or decreased or changed into or exchanged for a different number or kind of shares, other securities of the Company or of another corporation or other
consideration, then in order to maintain the proportionate interest of the Option Holder and preserve the value of the Option, (i) there shall automatically be substituted for each Share
subject to the unexercised Option the number and kind of shares, other securities or other consideration (including cash) into which each outstanding Share shall be changed or for which each such
Share shall be exchanged, and (ii) the exercise price shall be increased or decreased proportionately so that the aggregate purchase price for the Shares subject to the unexercised Option shall
remain the same as immediately prior to such event. 

 

        (h)    Nontransferability.    The Option, or any interest therein, may not be assigned or otherwise transferred,
disposed of or encumbered by the Option Holder, other than by will or by the laws of descent and distribution. During the lifetime of the Option Holder, the Option shall be exercisable only by the
Option Holder or by his or her guardian or legal representative. Notwithstanding the foregoing, the Option may be transferred by the Option Holder to members of his or her "immediate family" or to a
trust or other entity established for the exclusive benefit of solely one or more members of the Option Holder's "immediate family." Any Option held by the transferee will continue to be subject to
the same terms and conditions that were applicable to the Option immediately prior to the transfer, except that the Option will be transferable by the transferee only by will or the laws of descent
and distribution.
For purposes hereof, "immediate family" means the Option Holder's children stepchildren, grandchildren, parents, stepparents, grandparents, spouse, siblings (including half brother and sisters), in
laws, and relationships arising because of legal adoption. 

        (i)    Exercise of Option.    In order to exercise the Option, the Option Holder shall submit to the Company an
instrument in writing signed by the Option Holder, specifying the whole number of Option Shares in respect of which the Option is being exercised, accompanied by payment, in a manner acceptable to the
Company (which shall include a broker assisted exercise arrangement), of the Option Price for the Option Shares for which the Option is being exercised. Payment to the Company in cash or Shares
already owned by the Option Holder (provided that the Option Holder has owned such Shares for a minimum period of six months or has purchased such Shares on the open market) and having a total Fair
Market Value (as defined below) equal to the exercise price, or in a combination of cash and such Shares, shall be deemed acceptable for purposes hereof. Option Shares will be issued accordingly by
the Company, and a share certificate dispatched to the Option Holder within 30 days. 

        The
Company shall not be required to issue fractional Shares upon the exercise of the Option. If any fractional interest in a Share would be deliverable upon the exercise of the Option
in whole or in part but for the provisions of this paragraph, the Company, in lieu of delivering any such fractional share therefor, shall pay a cash adjustment therefor in an amount equal to their
Fair Market Value (or if any Shares are not publicly traded, an amount equal to the book value per share at the end of the most recent fiscal quarter) multiplied by the fraction of the fractional
share which would otherwise have been issued hereunder. Anything to the contrary herein notwithstanding, the Company shall not be obligated to issue any Option Shares hereunder if the issuance of such
Option Shares would violate the provision of any applicable law, in which event the Company shall, as soon as practicable, take whatever action it reasonably can so that such Option Shares may be
issued without resulting in such violations of law. For purposes hereof, Fair Market Value shall mean the mean between the high and low selling prices per Share on the immediately preceding date (or,
if the Shares were not traded on that day, the next preceding day that the Shares were traded) on the principal exchange on which the Shares are traded, as such prices are officially quoted on such
exchange. 

        (j)    Termination of Service.    In the event the Option Holder ceases to be an employee of the Company
(a) due to his death or Permanent Disability (as defined in the Company's Incentive Compensation Plan), or (b) due to termination (x) by the Company not for Cause (as defined in
the Company's Incentive Compensation Plan) or (y) by the Option Holder for Good Reason (as defined in the Employment Agreement, dated as
of                        , between the Option Holder and
                        ), the Option, to the extent not already exercisable in full, shall become immediately exercisable in full
and shall continue to be exercisable by the Option Holder (or his Beneficiary
or estate in the event of his death) for a period of three years following such termination of employment (but not beyond the Option Period). In the event of termination of employment (other than by
the Company for Cause) after the attainment of Retirement Age (as defined in the Company's Incentive Compensation Plan), the Option shall continue to vest on the schedule set forth in
paragraph (f) above so long as the Option Holder does not engage in any activity in competition with any activity of the Company or any of its Subsidiaries other than serving on the board of
directors (or similar governing 

2

 

body)
of another company or as a consultant for no more than 26 weeks per calendar year ("Competitive Activity") and shall continue to be exercisable by the Option Holder (or his Beneficiary or estate
in the event of his death) for a period of three years following the later of (i) the last date this Option actually vests under paragraph (f) above or (ii) the date of
termination of employment of the Option Holder (but in no event beyond the Option Period). In the event the Option Holder engages in a Competitive Activity, the Option, to the extent then exercisable,
may be exercised for 90 days following the date on which the Option Holder engages in such Competitive Activity (but not beyond the Option Period). In the event that the Option Holder ceases to
be an employee of the Company for any other reason, except due to a termination of the Option Holder's employment by the Company for Cause (as defined in the Company's Incentive Compensation Plan),
the Option, to the extent then exercisable, may be exercised for 90 days following termination of employment (but not beyond the Option Period). In the event of a termination of the Option
Holder's employment for Cause, the Option shall immediately cease to be exercisable and shall be immediately forfeited. To the extent the Option is not exercisable at the time of termination of
employment, the Option shall be immediately forfeited. For purposes of this Option, service with any of the Company's Subsidiaries (as defined in the Plan) shall be considered to be service with the
Company. 

        (k)    Obligations as to Capital.    The Company agrees that it will at all times maintain authorized and unissued
share capital sufficient to fulfill all of its obligations under the Option. 

        (l)    Transfer of Shares.    The Option, the Option Shares, or any interest in either, 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 and the terms and conditions hereof. 

        (m)    Expenses of Issuance of Option Shares.    The issuance of stock certificates upon the exercise of the Option in
whole or in part, shall be without charge to the Option Holder. The Company shall pay, and indemnify the Option Holder 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) by reason of the exercise of the Option in whole or in part or the resulting issuance of the Option Shares. 

        (n)    Withholding.    No later than the date of exercise of the Option granted hereunder, the Option Holder 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 upon the exercise of such Option 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 Option Holder, federal, state and local taxes of any kind
required by law to be withheld upon the exercise of such Option. 

        (o)    References.    References herein to rights and obligations of the Option Holder shall apply, where appropriate,
to the Option Holder'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 Option. 

        (p)    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

3

 

45
Reid Street

Hamilton HM 12 Bermuda

Attn: Secretary 

        If
to the Option Holder: 

The
last address delivered to the Company by the Option Holder in the manner set forth herein. 

        (q)    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 thereof. 

        (r)    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. 

        (s)    Counterparts.    This agreement may be executed in two counterparts, each of which shall constitute one and the
same instrument. 

        IN
WITNESS WHEREOF, the undersigned have executed this agreement as of the Date of Grant. 

	 	 	ARCH CAPITAL GROUP LTD.
	

 	
 	
By:	

    

	

 	
 	

    

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Exhibit 10.30.2  

[Clifford
Chance LOGO] 

LIMITED
LIABILITY PARTNERSHIP 

EXECUTION
COPY 

 
 

ARCH REINSURANCE LTD.
  
    AND
  
    ARCH INSURANCE COMPANY
  AS OBLIGORS
  
    WITH
  
    BARCLAYS BANK PLC
  AS LENDER    
    
  
  AMENDMENT AGREEMENT
  RELATING TO
A
  LETTER OF CREDIT AND REIMBURSEMENT AGREEMENT
  DATED AS OF 25 NOVEMBER 2003    
    
    

 

THIS AGREEMENT is made effective as of the Effective Date (as defined below) between: 

	(1)
	ARCH REINSURANCE LTD., a corporation organized and existing under the laws of Bermuda ("Arch
Reinsurance");

	(2)
	ARCH INSURANCE COMPANY, a corporation organized and existing under the laws of the State of Missouri ("Arch
Insurance"); 

        (together,
the "Obligors"); and 

	(3)
	BARCLAYS BANK PLC (the "Lender"). 

IT IS AGREED as follows: 

1.    DEFINITIONS AND INTERPRETATION  

1.1    Definitions  

In
this Agreement: 

"Effective Date" means the date on which the Lender confirms to the Obligors that it has received each of the documents listed in Schedule 1
(Conditions Precedent) in a form and substance satisfactory to the Lender. 

"Original Facility Agreement" means the Letter of Credit and Reimbursement Agreement dated as of November 25, 2003 between Arch
Reinsurance Ltd., as the Obligor and the Lender, as amended from time to time prior to the date of this Agreement. 

"Restated Agreement" means the Original Facility Agreement, as amended by this Agreement, the terms of which are set out in Schedule 2
(Restated Agreement). 

1.2    Incorporation of Defined Terms  

	(a)
	Unless
a contrary indication appears, a term used in any other Fundamental Document or in any notice given under or in connection with any Fundamental Document has the same meaning in
that Fundamental Document or notice as in this Agreement.

	(b)
	The
principles of construction set out in the Original Facility Agreement shall have effect as if set out in this Agreement. 

1.3    Clauses  

	(a)
	In
this Agreement any reference to a "Clause" or "Schedule" is, unless the context otherwise requires, a reference to a Clause or Schedule of this Agreement.

	(b)
	Clause
and Schedule headings are for ease of reference only. 

2.    AMENDMENT  

With
effect from the Effective Date the Original Facility Agreement shall be amended and restated so that it shall be read and construed for all purposes as set out in Schedule 2
(Restated Agreement). 

3.    ACCESSION  

Arch
Insurance agrees to become an Obligor and to be bound by the terms of the Restated Facility Agreement as amended from time to time and the Fundamental Documents. Arch Insurance is a company duly
incorporated under the laws of the State of Missouri. 

1

 

4.    REPRESENTATIONS  

The
Obligors make the representations specified in clause 4 of the Original Facility Agreement as if each reference in those representations to "this Agreement" or "the Fundamental Documents"
includes a reference to (a) this Agreement and (b) the Restated Agreement. 

5.    CONTINUITY AND FURTHER ASSURANCE  

5.1    Continuing obligations  

The
provisions of the Fundamental Documents shall, save as amended in this Agreement, continue in full force and effect. 

5.2    Further assurance  

The
Obligors shall, at the request of the Lender and at its own expense, do all such acts and things necessary or desirable to give effect to the amendments effected or to be effected pursuant to this
Agreement. 

6.    FEES, COSTS AND EXPENSES  

6.1    Transaction expenses  

Each
Obligor shall promptly on demand pay the Lender the amount of all costs and expenses (including legal fees) reasonably incurred by such Obligor in connection with the negotiation, preparation,
printing and execution of this Agreement and any other documents referred to in this Agreement; provided that if the Lender is unable to determine which
Obligor is responsible for any amount subject to this paragraph 6.1, such amount shall be paid by both Obligors on a 50%-50% basis. 

6.2    Amendment Fee  

On
the Effective Date, each Obligor shall pay to the Lender an amendment fee of US $5,000 (for a total amount of US $10,000) free and clear of any setoff or deduction to such account as the Lender
shall notify to Arch Reinsurance. 

6.3    Enforcement costs  

Each
Obligor shall, within three Business Days of demand, pay to the Lender 50% of the amount of all costs and expenses (including legal fees) incurred by the Lender in connection with the enforcement
of, or the preservation of any rights under this Agreement. 

6.4    Stamp taxes  

Each
Obligor shall pay and, within three Business Days of demand, indemnify the Lender against 50% of any cost, loss or liability the Lender incurs in relation to all stamp duty, registration and
other similar Taxes payable in respect of this Agreement. 

7.    MISCELLANEOUS  

7.1    Incorporation of terms  

The
provisions of clause 7.1 (Amendments and Waivers), clause 7.6 (Governing Law),
clause 7.7 (Consent to Jurisdiction) and clause 7.8 (Waiver of Jury Trial) of the Original
Facility Agreement 

2

 

shall
be incorporated into this Agreement as if set out in full in this Agreement and as if references in those clauses to "this Agreement" are references to this Agreement. 

7.2    Designation as Fundamental Document  

The
Obligors and the Lender designate this Agreement as a Fundamental Document by execution of this Agreement for the purposes of the definition of Fundamental Document in the Original Facility
Agreement. 

7.3    Counterparts  

This
Agreement may be executed in any number of counterparts, and this has the same effect as if the signatures on the counterparts were on a single copy of this Agreement. 

THIS AGREEMENT has been entered into on the date stated at the beginning of this Agreement. 

3

 
 
 

SCHEDULE 1
  CONDITIONS PRECEDENT    
    

1.    Obligors  

	1.1
	A
copy of the constitutional documents of Arch Insurance and a director's certificate from Arch Reinsurance certifying that there have been no changes to its constitutional documents
since November 25, 2003.

	1.2
	A
copy of the resolutions of the board of directors of each Obligor:

	1.2.1
	approving
the terms of, and the transactions contemplated by, this Agreement and resolving that it execute this Agreement (and, in respect of Arch Insurance, the other Fundamental
Documents);

	1.2.2
	authorizing
a specified person or persons to execute this Agreement (and, in respect of Arch Insurance, the other Fundamental Documents) on its behalf; and

	1.2.3
	authorizing
a specified person or persons, on its behalf, to sign and/or despatch all documents and notices to be signed and/or despatched by it under or in connection with this
Agreement (and, in respect of Arch Insurance, the other Fundamental Documents).

	1.3
	A
specimen of the signature of each person authorized by the resolution referred to in paragraph (b) above.

	1.4
	A
certificate of the Corporate Secretary, or the equivalent thereof, of the relevant Obligor certifying that each copy document relating to it specified in this Schedule 1 is
correct, complete and in full force and effect as at a date no earlier than the date of this Agreement. 

2.    Legal Opinions  

	2.1
	A
legal opinion of Clifford Chance LLP, as special New York counsel to the Lender.

	2.2
	A
legal opinion of the legal advisers to each of the Obligors in the jurisdiction of organization of each Obligor, in form and substance satisfactory to the Lender. 

3.    Other documents and evidence  

	3.1
	A
duly executed and delivered Security Agreement between the Lender and Arch Insurance and any necessary Security Document (including a Pledged Collateral Account Control Agreement in
substantially the same form as the Pledged Collateral Account Control Agreement dated as of November 25, 2003 between Arch Reinsurance, Barclays Bank PLC and Fleet National Bank Inc.).

	3.2
	A
duly executed and delivered Custody Agreement dated on or about the Effective Date between Arch Insurance and Fleet National Bank Inc. as Custodian Bank same form as the
Custody Agreement dated as of November 24, 2003 between Arch Reinsurance and Fleet National Bank Inc..

	3.3
	A
copy of any other authorisation or other document, opinion or assurance which the Lender considers to be necessary or desirable (if it has notified the Obligors accordingly) in
connection with the entry into and performance of the transaction contemplated by this Agreement or for the validity and enforceability of this Agreement. 

4

 
 
 

SIGNATURES    
    

	 
	 	 
	 	 

	The Obligors
	

ARCH REINSURANCE LTD.
	

By:	
 	

/s/ Janine Trench
	
 	

 
	Name:	 	Janine Trench
	 	 
	Title:	 	Controller
	 	 
	
ARCH INSURANCE COMPANY
	

By:	
 	

/s/ Fred S. Eichler
	
 	

 
	Name:	 	Fred S. Eichler
	 	 
	Title:	 	Senior Vice President and CFO
	 	 
	
The Lender
	

BARCLAYS BANK PLC
	

By:	
 	

/s/ Jodie Walden
	
 	

 
	Name:	 	Jodie Walden
	 	 
	Title:	 	Manager
	 	 

5

[Clifford Chance LOGO] 

LIMITED
LIABILITY PARTNERSHIP 

CONFORMED
COPY 

 
 

DATED AS OF NOVEMBER 25, 2003
  
    (AS AMENDED AND RESTATED ON AUGUST 19, 2004)
  
    AND
  
    ARCH REINSURANCE LTD.
  
    AND
  
    ARCH INSURANCE COMPANY
  
    as
Obligors
  
    and
  
    BARCLAYS BANK PLC
  
    as Lender    
    

 
 

AMENDED AND RESTATED LETTER OF CREDIT
  AND
  REIMBURSEMENT AGREEMENT    
    

 
 

CONTENTS    
    

	Clause
 
	 	 
	 	Page

	1.	 	Definitions And Interpretation	 	1
	

2.	
 	

Terms Of The Letter Of Credit Facility	
 	

7
	

3.	
 	

Conditions Of Issuance Of Letters Of Credit	
 	

12
	

4.	
 	

Representations And Warranties	
 	

13
	

5.	
 	

Covenants	
 	

15
	

6.	
 	

Events Of Default And Remedies	
 	

18
	

7.	
 	

Miscellaneous	
 	

20

 
 

LETTER OF CREDIT
  
    AND REIMBURSEMENT AGREEMENT    
    

        LETTER OF CREDIT AND REIMBURSEMENT AGREEMENT dated as of November 25, 2003 (as amended and restated on
August 19, 2004 and otherwise amended and supplemented from time to time, this "Agreement") by and among Arch Reinsurance Ltd., a Bermuda
company ("Arch Reinsurance"), and Arch Insurance Company, a Missouri corporation ("Arch Insurance"), and
Barclays Bank PLC (the "Lender"). 

1.    DEFINITIONS AND INTERPRETATION  

1.1    Definitions  

Unless
the context clearly otherwise requires, the following terms shall have the following respective meanings: 

"Adjusted Collateral Value" means, with respect to each of the Obligors and at any date of determination, an amount equal to the sum of (A) (i)
to the extent that such Investments are comprised solely of U.S. Government Securities, 90% of the market value of the aggregate Investments in the Custodial Account established in the name of each
Obligor, or (ii) to the extent that such Investments are not comprised solely of U.S. Government Securities, 86.96% of the market value of the aggregate Investments in the Custodial Accounts
established in the name of each Obligor, and (B) 100% of the amount of the aggregate cash deposits in the Custodial Accounts established in the name of each Obligor. The Investments shall be
"marked to market" by the Custodian on a daily basis but the Custodian shall provide only monthly reporting. For the avoidance of doubt, the calculation of each Obligor's Adjusted Collateral Value
shall be separate from and unaffected by such calculation in respect of the other Obligor. 

"Affiliate" means, as to any Person, any other Person which directly or indirectly controls, or is under common control with, or is controlled by, such
Person. As used in this definition, "control" (including, with its correlative meanings, "controlled by" and "under common control with") shall mean possession, directly or indirectly, of power to
direct or cause the direction of management or policies (whether through ownership of securities or partnership or other ownership interests, by contract or otherwise),  provided that, in any event:
(i) any Person which owns directly or indirectly 20% or more of the securities having ordinary voting power for the
election of directors or other governing body of a corporation or 20% or more of the partnership or other ownership interests of any other Person (other than as a limited partner of such other Person)
will be deemed to control such corporation or other Person. 

"Applicable Insurance Regulatory Authority" means the insurance department or similar administrative authority or agency that has the principal
regulatory jurisdiction over the Obligor. 

"Beneficiary" means any Person designated a beneficiary of a Letter of Credit issued pursuant to this Agreement. 

"Business Day" means any day other than a Saturday, Sunday or any other day on which commercial banks in London, Bermuda and New York are authorized or
required to close. 

"Capital Lease" means any lease which has been or should be capitalized on the books of the lessee in accordance with GAAP. 

"Capital Lease Obligations" means, for any Person, all obligations of such Person to pay rent or other amounts under a Capital Lease. For purposes of
this Agreement, the amount of such obligations shall be the capitalized amount thereof, determined in accordance with GAAP. 

"Closing" means the delivery of the executed Fundamental Documents by the parties thereto on the Closing Date. 

 

"Closing Date" means the date on which all of the conditions set forth in Clause 3.1 shall have been satisfied or waived by the Lender. 

"Code" means the U. S. Internal Revenue Code of 1986, as amended from time to time, and any rule or regulation issued thereunder. 

"Collateral" has the definition set forth in Clause 2.8 (Collateral Security). 

"Constituent Documents" means, with respect to any Corporation, such Corporation's certificate of incorporation, memorandum of association or other
similar document concerning the formation, organization and existence of such Corporation required under the laws of the jurisdiction of organization of such Corporation, and such Corporation's
by-laws or other similar document required under the laws of such jurisdiction of organization. 

"Controlled Group" means all members of a controlled group of corporations or other business entities and all trades or businesses (whether or not
incorporated) under common control which, together with Arch Insurance or any of its Subsidiaries, are treated as a single employer under Section 414 of the Code. 

"Corporation" includes companies, associations, corporations, partnerships, limited liability companies and other legal entities of all kinds. 

"Custodial Account" shall have the meaning set forth in the Security Agreements executed and delivered by each Obligor. 

"Custodian" shall have the meaning set forth in the Custodian Agreement. 

"Custodian Agreements" means the Custody Agreement dated 24 November 2003, between Fleet National Bank, as Custodian, and Arch Reinsurance, and
the Custody Agreement dated 19 August 2004, between Fleet National Bank, as Custodian, and Arch Insurance, as the same may be amended, supplemented, restated or otherwise modified from time to
time. 

"Default" means any event or condition specified in Clause 6.1, which, upon the giving of notice, the lapse of time, or the happening of any
further condition, would become an Event of Default. 

"Dollar Equivalent" means, with respect to any monetary amount in a currency other than United States Dollars, at any date of determination thereof, the
amount of United States Dollars obtained by converting such currency involved in such computation into United States Dollars at the spot rate for the purchase of United States Dollars with the
applicable currency as published in the Financial Times (or any successor thereto) on the date of such determination. 

"ERISA" means the Employee Retirement Income Security Act of 1974, as amended from time to time, and any rule or regulation issued thereunder. 

"Event of Default" has the definition set forth in Clause 6.1. 

"Facility" means the Letters of Credit that the Lender is willing to issue under this Agreement as determined in its sole and absolute discretion in an
amount (including all Letter of Credit Obligations and Reimbursement Obligations for the Obligors) not to exceed at the time of issuance of any Letter of Credit $50,000,000 (United States Dollars or
the foreign currency Dollar Equivalent of any of the following G7 nations: Canada, the European Union, and United Kingdom) in the aggregate. 

"Facility Termination Date" means December 31, 2008. 

"Federal Funds Rate" means, for any period, the rate per annum (rounded upwards, if necessary, to the nearest 1/100 of 1%) equal to the weighted average
of the rates on overnight Federal funds transactions with members of the Federal Reserve System arranged by Federal funds brokers on 

2

 

such
day, as published by the Federal Reserve Bank of New York on the Business Day next succeeding such day, provided that (a) if the day for
which such rate is to be determined is not a Business Day, the Federal Funds Rate for such day shall be such rate on such transactions on the next preceding Business Day as so published on the next
succeeding Business Day, and (b) if such rate is not so published for any Business Day, the Federal Funds Rate for such Business Day shall be the average rate charged to the Lender on such
Business Day on such transactions as determined by the Lender. 

"Fundamental Documents" means and includes each of the following for the time being in force: 

	(a)
	this
Agreement;

	(b)
	the
Letters of Credit;

	(c)
	the
Security Agreements;

	(d)
	the
Custodian Agreements; and

	(e)
	any
other Security Documents. 

"GAAP" shall mean U.S. generally accepted accounting principles in effect from time to time. 

"Guarantee" means a guarantee, an endorsement, a contingent agreement to purchase or to furnish funds for the payment or maintenance of, or otherwise to
be or become contingently liable under or with respect to, the Indebtedness, other obligations, net worth, working capital or earnings of any Person, or a guarantee of the payment of dividends or
other distributions upon the stock or equity interests of any Person, or an agreement to purchase, sell or lease (as lessee or lessor) Property, products, materials, supplies or services primarily for
the purpose of enabling a debtor to make payment of such debtor's obligations or an agreement to assure a creditor against loss, and including, without limitation, causing a bank or other financial
institution to issue a letter of credit or other similar instrument for the benefit of another Person, but excluding endorsements for collection or deposit in the ordinary course of business. The
terms "Guarantee" and "Guaranteed" used as a verb shall have a correlative meaning. 

"Indebtedness" means, for any Person: (a) obligations created, issued or incurred by such Person for borrowed money (whether by loan, the
issuance and sale of debt securities or the sale of Property to another Person subject to an understanding or agreement, contingent or otherwise, to repurchase such Property from such Person);
(b) obligations of such Person to pay the deferred purchase or acquisition price of Property or services, other than trade accounts payable (other than for borrowed money) arising, and accrued
expenses incurred, in the ordinary course of business; (c) indebtedness of others secured by a Lien on the Property of such Person, whether or not the respective indebtedness so secured has
been assumed by such Person; (d) obligations of such Person in respect of letters of credit or similar instruments issued or accepted by banks and other financial institutions for account of
such Person; (e) Capital Lease Obligations of such Person; (f) Guarantees by such Person of Indebtedness of others; (g) Rate Hedging Obligations of such Person; and (h) any
other obligation for borrowed money or other financial accommodation which in accordance with GAAP or SAP, as applicable, would be shown as a liability on the consolidated balance sheet of such
Person. 

"Interest Rate" means the rate of interest per annum equal to two percentage points (2%) above the LIBOR from time to time in effect, not to exceed the
maximum rate of interest permitted by applicable law. 

"Investment" means (i) U.S. Government Securities and (ii) debt securities of corporate issuers which (x) are denominated in United
States Dollars, (y) in the aggregate have an average weighted minimum rating of not less than AA- by S&P and Aa3 by Moody's and (z) individually have a 

3

 

minimum
rating of not less than BBB by S&P and Baa2 by Moody's, provided, however, that, for purposes of the foregoing paragraph (ii), no more
than 10% of the aggregate Investments maintained in the Custodial Account established in the name of the Obligor may consist of debt securities of corporate issuers with a rating of A or lower by S&P
and Aa3 by Moody's. 

"ISP" means the International Standby Practices (ISP 1998), International Chamber of Commerce Publication No. 590. 

"Lender" means Barclays Bank PLC. 

"Letter(s) of Credit" means either a Tranche A Letter of Credit and/or a Tranche B Letter of Credit. 

"Letter of Credit Obligations" means, as at any date of determination thereof, on an aggregate basis for all Letters of Credit issued at the request of
each Obligor, the maximum amount that could be drawn by the Beneficiaries of such Letters of Credit (assuming, notwithstanding any provision of a Letter of Credit to the contrary, that such
Beneficiary was then entitled to draw the full amount remaining available thereunder) but which has not been drawn as of that date (for purposes of any Letters of Credit denominated in the currency of
Canada, the European Union, or the United Kingdom, the maximum amount that could be drawn by the Beneficiaries of such Letters of Credit shall be deemed to be the Dollar Equivalent of such amount as
of such date). 

"LIBOR" means, 

	(a)
	the
applicable Screen Rate; or

	(b)
	(if
no Screen Rate is available for the applicable currency) the arithmetic mean of the rates (rounded upwards to four decimal places) as supplied to the Lender at its request quoted
by the Reference Banks to leading Banks in the London interbank market, 

as
of the relevant time on the quotation date in accordance with market practice for the offering of deposits in such currency and for the specified period. 

"Lien" means, with respect to any Property, any mortgage, lien, pledge, charge, security interest or encumbrance of any kind in respect of such
Property. For purposes of this Agreement, a Person shall be deemed to own subject to a Lien any Property that it has acquired or holds subject to the interest of a vendor or lessor under any
conditional sale agreement, capital lease or other title retention agreement (other than an operating lease) relating to such Property. 

"Material Adverse Effect" means an event or circumstance which has or could reasonably be expected to have a material adverse effect on: 

	(a)
	the
ability of the Obligors (taken as a whole) to meet the obligations of this Agreement;

	(b)
	the
business assets or financial condition of the Obligors taken as a whole; or

	(c)
	the
validity or enforceability of the rights and remedies of the Lender under the Fundamental Documents. 

"Moody's" means Moody's Investor Service, Inc. or any successor thereto. 

"Multiemployer Plan" means a "multiemployer plan" (as defined in Section (3)(37) of ERISA) contributed to for any employees of Arch Insurance or
any Affiliate of Arch Insurance. 

"Net Worth" means the excess of total assets over total liabilities of any Person which shall be determined on a consolidated basis in accordance with
GAAP. 

"Obligor" means, as the context may require, Arch Reinsurance or Arch Insurance or both entities. 

4

 

"Parent" means Arch Capital Group Ltd., a Bermuda company. 

"Person" means and includes an individual, a partnership, trust, estate, corporation, company, unincorporated organization, limited liability company
and a government or any agency, instrumentality or political subdivision thereof. 

"Plan" means an employee pension benefit plan which is covered by Title IV of ERISA or subject to the minimum funding standards under Section 412
of the Code as to which any Credit Party or any member of the Controlled Group may have any liability. 

"Property" means any right or interest in or to property of any kind whatsoever, whether real, personal or mixed and whether tangible or intangible. 

"Rate Hedging Obligations" means, for any Person, any and all net obligations of such Person, whether absolute or contingent and howsoever and
whensoever created, arising, evidenced or acquired (including all renewals, extensions and modifications thereof and substitutions therefor), under (a) any agreements, devices or arrangements
designed to protect at least one of the parties thereto from the fluctuations of interest rates, exchange rates or forward rates applicable to such party's assets, liabilities or exchange
transactions, including but not limited to, dollar-denominated or cross-currency interest rate exchange agreements, forward currency exchange agreements, interest rate cap or collar protection
agreements, forward rate currency or interest rate options, puts and warrants, or any similar derivative transactions, and (b) any and all cancellations, buy backs, reversals, terminations or
assignments of any of the foregoing. 

"Reference Banks" means the principal London office of Barclays Bank PLC or such other banks as may be appointed by the Lender. 

"Reimbursement Obligations" means with respect to each Obligor, all obligations of such Obligor pursuant to Clause 2.2 to reimburse the Lender
for payments made by the Lender upon any drawings under any Tranche A Letter of Credit or any Tranche B Letter of Credit issued at the request of such Obligor and to pay to the Lender all other
amounts that are payable by such Obligor to the Lender
pursuant to this Agreement and the other Fundamental Documents. For purposes of drawings under any Letters of Credit denominated in the currency of Canada, the European Union or the United Kingdom,
the amount of such drawing shall be deemed to be the Dollar Equivalent of such amount as of the date of repayment of such drawing, provided,  however, that,
solely for the purpose of determining such Obligor's compliance with the requirements of Clause 5.1.3 hereof and clause 1
of either Security Agreement on any given date, the amount of any such unreimbursed drawing shall be deemed to be the Dollar Equivalent of such amount as of such date. 

"SAP" means the accounting procedures and practices prescribed or permitted by the Applicable Insurance Regulatory Authority, applied on a basis
consistent with those that are to be used in making the calculations for purposes of determining compliance with this Agreement. 

"SAP Financial Statements" means the financial statements of each Obligor which have been submitted or are required to be submitted to the Applicable
Insurance Regulatory Authority. 

"S&P" shall mean Standard & Poor's Rating Services, a division of The McGraw Hill Companies, Inc. or any successor thereto. 

"Screen Rate" means the British Bankers' Association Interest Settlement Rate for the relevant currency period, displayed on the appropriate page of the
Telerate screen. If the agreed page is replaced or service ceases to be available, the Lender may specify another page or service displaying the appropriate rate. 

5

 

"Security Agreements" means the Security Agreement, dated November 25, 2003, in the form of Exhibit B-1 hereto, between the
Lender and Arch Reinsurance and the Security Agreement, dated August 19, 2004 substantially in the form of Exhibit B-2 hereto, between the Lender and Arch Insurance, as the
same may be amended, supplemented, restated or otherwise modified from time to time, each securing the obligations of the relevant Obligor under this Agreement and the relevant Letters of Credit. 

"Security Documents" means, collectively, the Security Agreements and each other instrument or agreement that secures or guarantees the Reimbursement
Obligations. 

"Single Employer Plan" means a Plan maintained by Arch Insurance or any member of the Controlled Group for employees of Arch Insurance or any member of
the Controlled Group. 

"Subsidiary" of a Person means: 

	(a)
	any
corporation more than 50% of the outstanding securities having ordinary voting power of which shall at the time be owned or controlled, directly or indirectly, by such Person or
by one or more of its Subsidiaries or by such Person and one or more of its Subsidiaries; or

	(b)
	any
partnership, association, joint venture, limited liability company or similar business organization more than 50% of the ownership interests having ordinary voting power of which
shall at the time be so owned or controlled. Unless otherwise expressly provided, all references herein to a "Subsidiary" shall mean a Subsidiary of either Obligor. 

"Tax" means any present or future tax, rate, duty, impost, governmental charge or levy, including, without limitation thereto, any corporation, income
(other than any taxes imposed on or measured by the gross income or profits of the Lender), value added, capital gains, sales, transfer, use, excise, occupation, franchise, property, stamp or other
tax or duty and any license, registration and recording fee and all penalties, fines, interest imposed, assessed or otherwise payable in respect of any of the foregoing and all deductions or
withholdings required to be made in respect of any of the foregoing levied, assessed, charged or required by any government or taxing authority in any country. 

"Tranche A Letter(s) of Credit" means the irrevocable standby letters of credit issued for the benefit of The Council of Lloyds or its affiliates under
this Agreement having an expiry date five (5) years from the date of issue in the aggregate issued amount at any one time when aggregated with any other outstanding Letters of Credit under this
Agreement not to exceed a face amount of $50,000,000.00 (United States Dollars). 

"Tranche B Letter(s) of Credit" means the irrevocable standby letters of credit issued to a Beneficiary under this Agreement having an expiry date
364 days from the date of issue in the aggregate issued amount at any one time when aggregated with any other outstanding Letters of Credit under this Agreement not to exceed a face amount of
$50,000,000.00 (United States Dollars). 

"U.S. Government Securities" means securities that are direct obligations of, and obligations the timely payment of principal and interest on which is
fully guaranteed by, the United States, or any agency or instrumentality of the United States the obligations of which are backed by the full faith and credit of
the United States and in the form of conventional bills, bonds, and notes. In no event shall U.S. Government Securities include any security providing for the payment of interest only. 

1.2    Interpretation.  

	1.2.1
	The
terms "hereof," "hereunder" and "herein" refer to this Agreement as a whole. 

6

 

	1.2.2
	References
by number to Clauses, Schedules and Exhibits refer to the Clauses, Schedules and Exhibits of this Agreement unless otherwise stated.

	1.2.3
	The
singular form of any word also refers to the plural form of such word, and vice versa, and any word of any particular gender
includes the correlative words of the other genders.

	1.2.4
	Any
references in this Agreement to one or more items preceded by the word "including" shall not be deemed limited to the stated items but shall be deemed without limitation. 

2.    TERMS OF THE LETTER OF CREDIT FACILITY  

2.1    The Letters of Credit  

	2.1.1
	On
the terms and subject to the further conditions hereinafter set forth and upon satisfaction of the conditions set forth in Clause 3, the Lender hereby agrees to issue on
and after the Closing Date Tranche A Letters of Credit and Tranche B Letters of Credit, each dated the date of its issuance, substantially in the form of Exhibit A-1 and
Exhibit A-2 respectively hereto and in the aggregate issued at any one time in a face amount not to exceed $50,000,000.00 (United States Dollars) and so long as (after giving effect
to the issuance of the requested Letter of Credit) the Adjusted Collateral Value for each Obligor is not less than the sum of all amounts then outstanding with respect to the Letter of Credit
Obligations and Reimbursement Obligations for such Obligor, as more specifically set forth below in sub-clause 2.1.2. So long as any Letter of Credit is outstanding and has not
expired, this Agreement shall continue to be in full force and effect with respect to such Letter of Credit, provided, however, that no Letter of Credit
shall be renewed, nor shall any Letter of Credit be issued, on or after the Facility Termination Date.

	2.1.2
	Each
Obligor may, from time to time, request that the Lender issue Tranche A Letters of Credit and/or Tranche B Letters of Credit during the period from the date hereof to but not
including the Facility Termination Date in an aggregate face amount (together with the Letter of Credit Obligations and Reimbursement Obligations for the Obligor) at any time issued up to but not
exceeding the Facility; provided however, (i) the aggregate amount of Letter of Credit Obligations and Reimbursement Obligations for each Obligor
at any time issued shall not exceed the Adjusted Collateral Value for such Obligor and (ii) the aggregate face amount of all Tranche A and Tranche B Letters of Credit issued under this
Agreement, shall not exceed $50,000,000.00 (United States Dollars). Each Obligor shall make such request by executing and delivering to the Lender the Lender's then standard form standby letter of
credit application and related documentation (in hardcopy and/or electronic format acceptable to the Lender). The current standard form standby letter of credit application is attached as
Exhibit C hereto. If there shall exist any inconsistency between the terms of this Agreement (and the Security Documents) and any such documentation relating to a Letter of Credit issued under
this sub-clause 2.1.2, the terms of this Agreement (and the Security Documents) shall control. 

2.2    Reimbursement; Lender's Responsibility  

	2.2.1
	The
Lender shall notify each Obligor of a drawing under any Letter of Credit issued at the request of such Obligor on or prior to the date of payment of such drawing by contacting
such Obligor telephonically. Reimbursement by an Obligor of the amount of each such drawing is due and payable in full (i) on the same day that the Lender honours such drawing, if the foregoing
notice is received before 1:00 p.m. (London time) on the date of such drawing or (ii) on the Business Day immediately following the date of such drawing, if the foregoing notice is
received after 1:00 p.m. (London time) on the date of such drawing, and such 

7

 

Obligor
absolutely and unconditionally agrees to pay or cause to be paid to the Lender, on such date, without demand, the amount of any drawing under a Letter of Credit issued at the request of such
Obligor. 

	2.2.2
	Each
Obligor, absolutely and unconditionally, agrees to pay, or cause to be paid, to the Lender, on demand, interest at the Interest Rate on any amount (including on overdue
interest to the extent permitted by law) due by such Obligor hereunder that is not paid when due, for each day such amount is unpaid. 

2.3    Obligations of Lender  

Whenever
the Lender receives a demand for payment under a Letter of Credit, it will promptly examine the demand to determine whether or not it is in conformity with such Letter of Credit under which
it is presented. 

2.4    Unconditional Obligations of the Obligors  

Each
Obligor agrees with the Lender that the following provisions shall apply with respect to each Letter of Credit issued to such Obligor: 

	2.4.1
	Except
as otherwise expressly stated in any Letter of Credit, but without limiting any provision of this Agreement or any Letter of Credit, there may be accepted or honoured as
complying with such Letter of Credit any documents of any character that comply with the provisions and interpretations contained in the ISP.

	2.4.2
	Neither
the Lender nor any of its correspondents or agents shall be responsible for: (i) the truth or accuracy of any statement contained in any document received under the
Letters of Credit; (ii) the validity, sufficiency or genuineness of any such document believed by the Lender in good faith and in the exercise of ordinary care to be valid, even if wholly
fraudulent or forged; (iii) any breach of contract between an Obligor or any other Person and the beneficiary of any Letter of Credit; (iv) interruptions or delays in the transmission or
delivery of messages, by mail, courier service or electronic means, whether in cipher or not; (v) any errors or omissions in the translation of any document; (vi) failure or delay in
giving any notice or in complying with any other formality; (vii) delay in arrival or failure to arrive of any property or required instrument or document; (viii) failure of any document
to bear adequate reference to a Letter of Credit, or failure of any Person to note the amount of any payment on the reverse side of a Letter of Credit or to surrender or to take up a Letter of Credit
or to send forward documents as required by the terms of a Letter of Credit, each of which provisions, if contained in a Letter of Credit itself, it is agreed may be waived by the Lender;
(ix) the fact that any instructions, oral or written, given to the Lender purporting to have been given by or on behalf of such Obligor and believed by the Lender in good faith and in the
exercise of ordinary care to be valid which pertain to the issuance of any Letter of Credit, any extension, increase or other modification of any Letter of Credit or other action to be taken or
omitted with reference thereto, were wholly or partly insufficient, erroneous, unauthorized or fraudulent; or (x) any other act or omission as to which banks are relieved from responsibility
under the terms of the ISP, provided that none of the contingencies referred to in subparagraphs (i) through (x) of
sub-clause 2.4.2 is attributable to the gross negligence or wilful misconduct of the Lender or any of its correspondents or agents.

	2.4.3
	Each
Obligor will, without expense to the Lender, procure or cause to be procured promptly all necessary licenses which are required with respect to the transaction(s) which is/are
the subject of any Letter of Credit issued for such Obligor or to which any such Letter of Credit relates, will comply with or cause to be complied with all applicable governmental regulations 

8

 

in
regard thereto, and will furnish or cause to be furnished to the Lender such documents and certificates in respect thereof as the Lender may reasonably require. 

	2.4.4
	Each
Obligor hereby agrees to indemnify and hold harmless the Lender from and against all liability, loss or expense (including reasonable legal fees, court costs and other expenses
which the Lender may incur in enforcing its rights hereunder) incurred as a consequence of (i) any failure on the part of such Obligor duly to perform its agreements contained in this
Clause 2.4, (ii) any action taken or omitted by the Lender or any of its correspondents in relation to any Letter of Credit issued at the request of or on behalf of such Obligor, or
(iii) any claims asserted by any party to any transaction in connection with which such Letters of Credit are issued, except such liability, loss or expense, if any, as is incurred as a result
of the gross negligence or wilful misconduct on the part of the Lender or of any of its correspondents. 

2.5    Regulatory Requirements; Additional Costs  

Each
Obligor shall pay to the Lender from time to time upon demand such amounts as the Lender determines in its sole discretion is necessary to compensate the Lender for any costs attributable to the
Lender's issuing or having outstanding, or the Lender's participation in, or the Lender's making payment under, any Letter of Credit issued at the request of such Obligor resulting from the
application of any domestic or foreign law or regulation or the interpretation or administration thereof applicable to the Lender regarding any reserve, assessment, capitalization (including the cost
of maintaining capital sufficient to permit issuance of the Letters of Credit, provided the cost attributed to the Letters of Credit is determined in good faith by any reasonable method) or similar
requirement whether existing at the time of issuance of any such Letter of Credit or adopted thereafter, including, without limitation, any reduction in amounts receivable hereunder as a result of any
change in applicable law, treaty, regulation, policy or directive, or the imposition of any Tax or increase in any existing Tax, applicable to the transactions contemplated hereunder or the commitment
of the Lender hereunder. 

2.6    Fees  

	2.6.1
	Each
Obligor agrees to pay to the Lender, severally and not jointly, a pro rata share equal to 50% of the following fees in connection with this Agreement:

	(a)
	a
Letter of Credit renewal fee payable annually in arrears (and calculated based upon a 360-day year and actual days elapsed) on the annual anniversary of the Closing Date
in an amount equal to .05% per annum of the amount of the Facility;

	(b)
	a
Letter of Credit unused fee payable quarterly in arrears (and calculated based upon a 360-day year and actual days elapsed) on the last Business Day of each March, June,
September and December, commencing on December 31, 2003 equal to .15% per annum of an amount equal to $50,000,000 minus the total Letter of Credit Obligations from time to time outstanding;

	(c)
	a
Letter of Credit upfront fee to be paid to the Lender, prior to or on the Closing Date equal to .075% of the Facility; and

	2.6.2
	Each
Obligor agrees to pay to the Lender separately, and for its own account, the following fees with respect to Letters of Credit issued at the request of such Obligor:

	(a)
	a
Letter of Credit issuance fee payable quarterly in arrears (and calculated based upon a 360-day and actual days elapsed) on the last Business Day of each March, June,
September and December with respect to each Letter of Credit issued at the request of 

9

 

such
Obligor in an amount equal to .65% per annum of the maximum face amount of such Letter of Credit outstanding during such quarter; and 

	(b)
	all
other charges, costs and fees customarily imposed by the Lender in connection with the issuance of such letters of credit. 

2.7    Payments and Computations  

	2.7.1
	All
payments to be made by or on behalf of either Obligor under this Agreement shall be made to the Lender, not later than 3:00 p.m. London time, on the date when due, in
immediately available funds by federal funds wire to the Lender in the applicable currency at: 

if
United States dollars: 

Correspondent
Bank: Barclays Bank PLC, New York

ABA No.: 026 002 574

SWIFT Code: BARC US33

For Beneficiary Bank: Barclays Bank PLC, 54 Lombard Street, London

Sort Code: 20-00-00

SWIFT Code: BARC GB22

Beneficiary: Arch Reinsurance Ltd. or Arch Insurance, as applicable

Account Number: 84560255 

if
Canadian dollars: 

Correspondent
Bank: Canadian Imperial Bank of Commerce, Toronto

SWIFT Code: CIBCCATT

For Beneficiary Bank: Barclays Bank PLC, 54 Lombard Street, London

Sort Code: 20-00-00

SWIFT Code: BARC GB22

Beneficiary: Arch Reinsurance Ltd. or Arch Insurance, as applicable

Account Number: 75287566 

if
euro: 

Beneficiary
Bank: Barclays Bank PLC, 54 Lombard Street, London

Sort Code: 20-00-00

SWIFT Code: BARC GB22

Beneficiary: Arch Reinsurance Ltd. or Arch Insurance, as applicable

Account Number: 88196666 

if
pounds sterling: 

Beneficiary
Bank: Barclays Bank PLC, 54 Lombard Street, London

Sort Code 20-00-00

SWIFT Code: BARC GB22

Beneficiary: Arch Reinsurance Ltd. or Arch Insurance, as applicable

Account Number: 60950777 

or
to such other address or account, or to the attention of such other Person as the Lender shall notify such Obligor. 

	2.7.2
	All
payments made by or on behalf of each Obligor under this Agreement shall be made without setoff or counterclaim and free and clear of, and without deduction for, any taxes
(other than any taxes imposed on or measured by the gross income or profits of the Lender), levies, imposts, duties, charges, fees, deductions, withholdings, compulsory loans, restrictions or
conditions of any nature now or hereafter imposed or levied by any country or any political 

10

 

subdivision
thereof or taxing or other authority therein unless such Obligor is compelled by law to make such deduction or withholding. If any such obligation is imposed upon an Obligor with respect
to any amount payable by it hereunder, it will pay to the Lender, on the date on which such amount becomes due and payable hereunder and in United States Dollars, such additional amount as shall be
necessary to enable the Lender to receive the same net amount which it would have received on such due date had no such obligation been imposed upon such Obligor. If, at any time, the Lender, or any
permitted assignee of the Lender hereunder (an "Assignee"), is organized under the laws of any jurisdiction other than the United States or any state or
other political subdivision thereof, the Lender or the Assignee shall deliver to the Obligors, through the Lender, on the date it becomes a party to this Agreement, and at such other times as may be
necessary in the determination of the Obligors in its reasonable discretion, such certificates, documents or other evidence, properly completed and duly executed by the Lender or the Assignee
(including, without limitation, Internal Revenue Service Form W-8BEN or W-8ECI, as appropriate, or any successor form prescribed by the Internal Revenue Service) to
establish that the Lender or the Assignee is not subject to deduction or withholding of United States Federal Income Tax under Section 1441 or 1442 of the Internal Revenue Code or otherwise (or
under any comparable provisions of any successor statute) with respect to any payments to the Lender or the Assignee of principal, interest, fees or other amounts payable hereunder. The Obligors shall
not be required to pay any additional amount to the Lender or any Assignee under this sub-clause 2.7.1 if the Lender or such Assignee shall have failed to satisfy the requirements
of the immediately preceding sentence; provided that if the Lender or any Assignee shall have satisfied such requirements on the date it became a party
to this Agreement, nothing in this sub-clause 2.7.1 shall relieve either Obligor of its obligation to pay any additional amounts pursuant to this sub-clause 2.7.1
in the event that, as a result of any change in applicable law, the Lender or such Assignee is no longer properly entitled to deliver certificates, documents or other evidence at a subsequent date
establishing the fact that the Lender or the Assignee is not subject to withholding as described in the immediately preceding sentence. 

	2.7.3
	All
payments made by or on behalf of each Obligor under this Agreement shall be applied first to the payment of all fees, expenses and other amounts due to the Lender (excluding
principal and interest) by such Obligor, then to accrued interest with respect to the Reimbursement Obligations of such Obligor, and the balance on account of outstanding principal with respect to the
Reimbursement Obligations of such Obligor; provided, however, that upon the occurrence and during the
continuation of an Event of Default, payments will be applied to the obligations of such Obligor to the Lender as the Lender determines in its sole discretion.

	2.7.4
	All
payments which shall be due hereunder on a day that is not a Business Day shall be extended to the next succeeding Business Day, and interest shall accrue during such extension.

	2.7.5
	Computations
of interest hereunder and computations of fees stated to be on an annual basis shall be made on the basis of a year of 360 days for the actual number of days
elapsed (including the first day but excluding the last day). 

2.8    Collateral Security  

All
of the obligations of each Obligor to the Lender under this Agreement and the other Fundamental Documents shall be secured by a security interest and pledge granted by such Obligor, as security
for such Obligor's obligations under this Agreement and the Letters of Credit issued at the request of such Obligor, in favour of the Lender, in the securities and other collateral described in each
Security Agreement (together with all property or interests therein and all income therefrom and proceeds thereof, collectively, the "Collateral"). 

11

   3.    CONDITIONS OF ISSUANCE OF LETTERS OF CREDIT  

3.1    Conditions Precedent to Closing and Issuance of Initial Letters of Credit  

The
obligations of the Lender (in its sole and absolute discretion) to issue any Letter of Credit under this Agreement on or after the Closing Date are subject to the satisfaction, prior to or
concurrently with the issuance of any such Letter of Credit, of the following conditions precedent: 

	3.1.1
	Fundamental Documents:    Each Obligor shall have executed and delivered to the Lender each Fundamental Document required
hereunder, which shall be in full force and effect.

	3.1.2
	Proof of Corporate Action:    The Lender shall have received a certificate of the Secretary or an Assistant Secretary, or
the equivalent thereof, from each Obligor, dated the date hereof, setting forth resolutions of the Board of Directors, or the equivalent thereof, of such Obligor approving the transactions
contemplated by this Agreement and the other Fundamental Documents and authorizing the execution, delivery and performance by such Person of this Agreement and the other Fundamental Documents to which
such Person is a party, which certificates shall state that such resolutions are in full force and effect without amendment.

	3.1.3
	Incumbency Certificates:    The Lender shall have received a certificate of the Secretary or Assistant Secretary, or the
equivalent thereof, from each Obligor, dated the date hereof, setting forth the names and containing a specimen signature of each officer and director of such Person authorized to sign this Agreement
and the other Fundamental Documents to which such Person is a party and to give notices and to take other action on behalf of such Obligor hereunder and in relation to the Collateral.

	3.1.4
	Bermuda Requirements:    The Lender shall have received a certificate of compliance issued by the Bermuda Regulatory
Authority (Registrar of Companies and the Bermuda Monetary Authority) for each of the Parent and Arch Reinsurance in form and substance satisfactory to the Lender.

	3.1.5
	Missouri Requirements:    The Lender shall have received a certificate of good standing as of a recent date certified by
the Secretary of State of the State of Missouri and copies, certified by its Secretary or Assistant Secretary, of all Constituent Documents for Arch Insurance in form and substance satisfactory to the
Lender.

	3.1.6
	Legal Opinions:    The Lender shall have received signed legal opinion of counsel for each Obligor in form and substance
satisfactory to the Lender, which opinion shall be addressed to and allow reliance thereon by the Lender and its respective successors and permitted assigns.

	3.1.7
	Proceedings and Documents:    All corporate and other proceedings and all other matters in connection with the transactions
contemplated by this Agreement (including, without limitation, all regulatory and third party approvals), the other Fundamental Documents and all other documents incidental hereto and thereto,
including all opinions of counsel, shall be reasonably satisfactory in form and substance to the Lender.

	3.1.8
	Financial Information:    The Lender is satisfied that the financial date and other information furnished to the Lender by
each of the Obligors is accurate and complete and fairly presents the financial position and the results of operations for the period indicated therein.

	3.1.9
	Litigation:    The Lender is satisfied that there are no legal or arbitral proceedings, or any proceedings by or before any
governmental or regulatory authority or agency, now pending or threatened against the Parent or either Obligor, that are reasonably likely (either individually or in the aggregate) to have a material
adverse effect on the condition, financial or otherwise of the Parent or either Obligor or are reasonably likely to materially impair or prevent the consummation of the transactions completed in this
Agreement. 

12

 

	3.1.10
	Regulations and Policies:    There have been no material changes in governmental regulation or policy affecting the Lender
in respect of this Agreement or either Obligor.

	3.1.11
	Consents and Approvals:    Each Obligor and the Lender have obtained all necessary consents and approvals.

	3.1.12
	Collateral Requirements:    The Lender is satisfied with the Custodian Agreements, the Security Agreements, subordination
of custodian liens and any other relevant documentation required in respect of collateral requirements. 

3.2    Additional Conditions Precedent to the Issuance of Letters of Credit

The
obligations of the Lender to issue any Letter of Credit under this Agreement on or after the Closing Date (including pursuant to sub-clause 2.1.1) are subject to the further
conditions precedent that, both immediately prior to the issuance of such Letter of Credit and also after giving effect thereto: 

	3.2.1
	no
Default shall have occurred and be continuing;

	3.2.2
	the
representations and warranties made by each Obligor in this Agreement and each of the Fundamental Documents shall be true and complete on and as of the date of the issuance of
such Letter of Credit with the same force and effect as if made on and as of such date (or, if any such representation or warranty is expressly stated to have been made as of a specific date, as of
such specific date);

	3.2.3
	there
has been no material adverse change in the financial condition, operations, properties, business or prospects of the Parent or either Obligor since the date of this Agreement;

	3.2.4
	the
Lender shall have received a request for a Letter of Credit as provided in Clause 2.1.2;

	3.2.5
	the
Lender shall have received evidence satisfactory to it (i) that the Adjusted Collateral Value of any Obligor requesting the issuance of the Letter of Credit is not less
than the sum of all amounts then outstanding with respect to Letter of Credit Obligations and Reimbursement Obligations of such Obligor, taking into account the amount of the requested Letter of
Credit, (ii) that each of the Investments utilized in the calculation of each Obligor's Adjusted Collateral Value has been deposited into the relevant Custodial Account maintained by such
Obligor, and (iii) that the aggregate face amount of Tranche A and Tranche B Letters of Credit issued under this Agreement (taking into account the requested Letter of Credit) does not exceed
$50,000,000 (United States Dollars); and

	3.2.6
	the
Net Worth of the Parent shall be no less than $750,000,000. 

Each
request for a Letter of Credit by each Obligor hereunder shall constitute a certification by such Obligor to the effect set forth in the preceding sentence (both as of the date of such notice
and, unless such Obligor otherwise notifies the Lender prior to the date of such Letter of Credit issuance, as of the date of such issuance). 

4.    REPRESENTATIONS AND WARRANTIES  

In
order to induce the Lender to enter into this Agreement and to issue the Letters of Credit, each Obligor for itself hereby represents and warrants that: 

4.1    Corporate Existence and Power  

Each
Obligor (a) is a company or corporation duly organized, validly existing without limitation of its corporate existence and in good standing under the laws of its jurisdiction of
organization and (b) has adequate power and authority and legal right to own or hold under lease the properties it 

13

 

purports
to own or to hold under lease and to carry on the business in which it is engaged or presently proposes to engage. Each Obligor has adequate power and authority to enter into this Agreement
and each of the other Fundamental Documents to which it is a party, to borrow hereunder, to create the Collateral for the Reimbursement Obligations contemplated by this Agreement and the Security
Documents and to perform its obligations under this Agreement and each of the other Fundamental Documents to which it is or is to become a party as contemplated by this Agreement. 

4.2    Authority  

The
execution and delivery by such Obligor of this Agreement and each other Fundamental Document to which it is or is to become a party as contemplated hereby, the obtaining of Letters of Credit
hereunder, the pledging of the Collateral for the Reimbursement Obligations contemplated by this Agreement and the Security Documents and the performance by such Obligor of its obligations in respect
of this Agreement and the other Fundamental Documents in accordance with their respective terms, have been duly authorized by all necessary corporate action on the part of such Obligor and do not and
will not (a) contravene any provision of the Constituent Documents of such Obligor, (b) conflict with, or result in a breach of the terms, conditions or provisions of, or constitute a
default under or, except as contemplated by this Agreement, result in the creation or imposition of any Lien pursuant to the terms of any, mortgage, indenture, deed of trust, security agreement,
pledge agreement, charge or other instrument to which such Obligor or any of its respective property is bound, (c) violate any law, governmental rule, regulation, order or decree of any court
or administrative agency or governmental officer applicable to and binding upon such Obligor, (d) require any waiver, consent or other action by any governmental or regulatory authority or by
any trustee or holder of any Indebtedness or obligations of such Obligor or (e) require the approval of the shareholders of such Obligor. 

4.3    Binding Effect of Agreement and Other Fundamental Documents  

	4.3.1
	This
Agreement has been duly executed and delivered by such Obligor and the agreements contained herein constitute, and the agreements contained in each other Fundamental Document
to which such Obligor is or is to become a party will, when each such other Fundamental Document is executed and delivered, constitute valid and legally binding obligations for such Obligor
enforceable in accordance with their respective terms, except as such enforceability may be limited by (i) applicable bankruptcy, insolvency, reorganization, moratorium, or other similar laws
affecting the enforcement of creditors' rights generally, and (ii) general principles of equity (regardless of whether such enforceability is considered in a proceeding in equity or at law).

	4.3.2
	Each
Security Document executed and delivered on or after the date hereof will effectively create the Liens purported to be created thereby and such liens will be first-priority
liens on the Collateral covered thereby, subject to no other liens (except Liens in favour of the Custodian). 

4.4    Financial Information  

The
Parent and such Obligor have heretofore furnished to the Lender accurate and complete financial data and other information based on its operations in previous years, and said financial data
furnished to the Lender is accurate and complete and fairly presents the financial position and the results of operations for the period indicated therein. 

14

 

4.5    Material Adverse Change; No Default  

There
has been no material adverse change in the condition, financial or otherwise, of the Parent or either Obligor since the date of the most recent financial statement and no Default or Event of
Default exists with respect to such Obligor. 

4.6    Litigation  

There
are no legal or arbitral proceedings, or any proceedings by or before any governmental or regulatory authority or agency, now pending or (to the knowledge of such Obligor) threatened against the
Parent or such Obligor that are reasonably likely (either individually or in the aggregate) to have a material adverse effect on the condition, financial or otherwise, of the Parent or such Obligor. 

4.7    Compliance with Laws and Agreements  

Such
Obligor is in compliance with laws, regulations and orders of any governmental agency or authority applicable to it or its Properties and all indentures, agreements and other instruments binding
upon it or its Property, except where the failure to do so, individually or in the aggregate, could not reasonably be expected to have a material adverse effect on its condition, financial or
otherwise. 

4.8    ERISA  

Arch
Insurance does not contribute to a Multiemployer Plan or a Single Employer Plan. Arch Reinsurance contributes to Single Employer Plans maintained by an affiliate of the Obligors but does not
contribute to a Multiemployer Plan. There exists no Unfunded Pension Liability with respect to any Single Employer Plans, except as would not have a Material Adverse Effect. 

For
the purposes of this Clause 4.8, "Unfunded Pension Liability" means the excess of an Employee Plan's liabilities under
Section 4001(a)(16) of ERISA, over the current value of that plan's assets, determined in accordance with the assumptions used for funding an Employee Plan pursuant to Section 412 of the
Code for the applicable plan year. 

4.9    Regulation U  

Margin
stock (as defined in Regulation U) cumulatively constitutes less than 25% of those assets of the Obligors that are subject to any limitation on sale, pledge or other restriction
hereunder. Neither Obligor is engaged, directly or indirectly, principally, or as one of its important activities, in the business of extending, or arranging for the extension of, credit for the
purpose of purchasing or carrying margin stock. No part of any Letter of Credit Facility, or the proceeds thereof, will be used in a manner which would violate, or result in a violation of,
Regulation U. 

5.    COVENANTS  

5.1    Affirmative Covenants  

Each
Obligor for itself covenants and agrees that so long as any Letter of Credit is outstanding: 

	5.1.1
	Maintenance of Corporate Existence:    Such Obligor shall maintain its corporate existence.

	5.1.2
	Reporting Requirements:    Such Obligor shall furnish to the Lender:

	(a)
	Annual GAAP Financial Statements:    Within one hundred twenty (120) days following the end of the Parent's and such
Obligor's fiscal year (or, if a registered company, such 

15

 

earlier
date as the Parent's and such Obligor's Form 10-K is filed with the Securities and Exchange Commission) copies of: 

	(i)
	the
consolidated and consolidating balance sheet of the Parent as at the close of such fiscal year, and

	(ii)
	the
consolidated and consolidating statements of income, changes in surplus and cash flows of the Parent for such fiscal year, 

in
each case setting forth in comparative form the figures for the preceding fiscal year and prepared in accordance with GAAP, all in reasonable detail and accompanied by an opinion thereon of
PriceWaterhouseCoopers or other firm of independent public accountants of recognized national standing selected by the Parent and reasonably acceptable to the Lender, to the effect that the financial
statements have been prepared in accordance with GAAP (except for changes in application in which such accountants concur) and present fairly in all material respects in accordance with GAAP the
financial condition of the Parent as of the end of such fiscal year and the results of operations of the Parent for the fiscal year then ended and that the examination of such accountants in
connection with such financial statements has been made in accordance with generally accepted auditing standards and, accordingly, included such tests of the accounting records and such other auditing
procedures as were considered necessary under the circumstances. 

	(b)
	Quarterly GAAP Financial Statements:    As soon as available, and in any event within sixty (60) days after the end of
each quarterly fiscal period of the Parent and such Obligor (other than the fourth fiscal quarter of any fiscal year), copies of:

	(i)
	the
balance sheet of the Parent and such Obligor as at the end of such fiscal quarter, and

	(ii)
	the
statements of income, changes in surplus and cash flows of the Parent and such Obligor for such fiscal quarter and the portion of such fiscal year ended with such fiscal quarter, 

in
each case setting forth in comparative form the figures for the preceding fiscal year and prepared in accordance with GAAP, all in reasonable detail and certified as presenting fairly in accordance
with GAAP the financial condition of the Parent and such Obligor as of the end of such period and the results of operations for such period by a senior officer of the Parent or such Obligor, as
applicable, subject only to normal year-end accruals and audit adjustments and the absence of footnotes. 

	(c)
	Annual/Quarterly Reports:    Concurrently with the delivery of the financial statements required pursuant to
sub-clauses (a), (b), (f) and (g) of this clause, copies of all reports required to be filed with any Applicable Insurance Regulatory Authority in connection with the filing
of such financial statements.

	(d)
	Management Letters:    Promptly upon receipt thereof, copies of any reports or management letters relating to the internal
financial controls and procedures delivered to the Parent and such Obligor by any independent certified public accountant in connection with an examination of the financial statements of the Parent or
such Obligor, as applicable.

	(e)
	Additional Information:    Such additional information as the Lender, may reasonably request concerning the Parent or such
Obligor and for that purpose all pertinent books and other documents relating to its business, affairs and Properties, including Investments as shall from time to time be designated by the Lender. 

16

 

	(f)
	Annual SAP Financial Statements:    As soon as available, and in any event within fifteen (15) days following the
filing of Annual SAP Financial Statements with the Applicable Insurance Regulatory Authority, copies of the (if required to be filed with a regulatory authority) SAP Financial Statements for such
Obligor, in each case setting forth in comparative form the figures for the preceding fiscal year and prepared in accordance with SAP, all in reasonable detail and certified as presenting fairly in
accordance with SAP, the financial condition of such Obligor by a senior officer of such Obligor. Such Annual SAP Financial Statements shall be accompanied by a summary of the applicable fiscal year
prepared by the management of such Obligor.

	(g)
	Quarterly SAP Statements:    As soon as available, and in any event within sixty (60) days after the end of each
quarterly fiscal period, copies of the unaudited SAP Financial Statements for such quarterly period of such Obligor setting forth in comparative form the figures for the preceding fiscal year and
prepared in accordance with SAP, all in reasonable detail and certified as presenting fairly in accordance with SAP the financial condition of such Obligor, as applicable, as of the end of such period
and results of operations for such period by a senior officer of such Obligor, as applicable, subject to normal year-end accruals and audit adjustments.

	(h)
	Quarterly Custodial Account Certificate:    Such Obligor shall furnish to the Lender quarterly a Custodial Account
Certificate substantially in the form of Exhibit D hereto.

	5.1.3
	Maintenance of Adjusted Collateral Value:    Such Obligor shall at all times maintain Collateral in the Custodial Account
maintained in its name in an amount such that the Adjusted Collateral Value is not less than the sum of all amounts then outstanding with respect to the sum of the Letter of Credit Obligations and
Reimbursement Obligations of such Obligor. Each Obligor agrees that if the Adjusted Collateral Value of the Collateral in the applicable Custodial Account is less than the sum of the Letter of Credit
Obligations and the Reimbursement Obligations of such Obligor, the Lender may require such Obligor to pay to the Custodian the amount of any such deficiency, which amount shall be payable by no later
than 3:00 p.m. (London time) (i) on the date of notice by the Lender, if such notice is received before 12:00 p.m. (London time) or (ii) on the Business Day immediately
following the date of notice by the Lender, if such notice is received after 12:00 p.m. (London time), and which payment shall be deposited by the Custodian into the applicable Custodial
Account in the form of cash or Investments. At any time, other than after the occurrence and during the continuation of a Default or an Event of Default, each Obligor may substitute Collateral to the
extent such substitution arises from normal trade activities within the Custodial Account in accordance with the provisions of clause 1 of the Security Agreement between each Obligor and the
Lender.

	5.1.4
	ERISA:    No Obligor shall:

	(a)
	allow,
or permit any of its affiliates to allow (i) any Single Employer Plan with respect to which such Obligor or its affiliate may have any liability to terminate,
(ii) such Obligor or any of its affiliates to withdraw from any Single Employer Plan and, if applicable, a Multiemployer Plan, or (iii) any Accumulated Funding Deficiency (as defined in
Section 302 of ERISA and Section 412 of the Code), whether or not waived, to exist involving any of its Single Employer Plans, to the extent that any of the events described in (i),
(ii) or (iii), singly or in the aggregate, could have a Material Adverse Effect; or

	(b)
	fail,
or permit any of its affiliates to fail, to comply with ERISA or other related provisions of the Code, if any such non-compliance, singly or in the aggregate, would
be reasonably likely to have a Material Adverse Effect. 

17

 

6.    EVENTS OF DEFAULT AND REMEDIES  

6.1    Events of Default Defined  

With
respect to each Obligor, each of the following is an "Event of Default:" 

	6.1.1
	failure
by such Obligor to pay any amount payable by it hereunder on the date due;

	6.1.2
	if
the validity or enforceability of any Security Document to which such Obligor is a party shall be contested by any Person;

	6.1.3
	if
any representation or warranty made by or on behalf of such Obligor in this Agreement, in any other Fundamental Document or in any certificate, report or financial or other
statement furnished to the Lender at any time under or in connection with this Agreement, any other Fundamental Document or any other such document or agreement shall have been untrue in any material
respect when made or deemed to have been made;

	6.1.4
	default
by such Obligor in the observance or performance of its covenants set forth in (i) Clause 5; or (ii) default by such Obligor in the observance or
performance of its obligation to maintain the value of the Custodial Account maintained in its name in accordance with clause 1 of the Security Agreement between it and the Lender;

	6.1.5
	default
by such Obligor in the observance or performance of any other covenant or agreement contained in this Agreement or any other Fundamental Document and the continuance thereof
unremedied for 10 days after receipt by such Obligor of written notice of such default from the Lender;

	6.1.6
	an
order shall be made by a competent court or a resolution shall be passed for the winding up or dissolution or rehabilitation of the Parent or such Obligor save for the purposes
of amalgamation, merger, consolidation, reorganization or other similar arrangement on terms approved by the Lender (not involving the insolvency of the Parent or such Obligor) and save that if any
such order or resolution is sought in an involuntary proceeding against any such Person, such Person shall have thirty (30) days from the commencement of such proceeding to obtain an order
staying, vacating or dismissing such proceedings, or a petition shall be presented to, or an order shall be made by a competent court for the appointment of, an administrator of the Parent or such
Obligor and such petition or order shall not have been stayed, vacated or dismissed within thirty (30) days after the presentation of such petition or the making of such order;

	6.1.7
	the
Parent or such Obligor shall cease to carry on the whole or substantially the whole of its business, save for the purposes of amalgamation, merger, consolidation, reorganization
or other similar arrangement (not involving or arising out of the insolvency of the Parent or such Obligor) which is permitted hereunder, or the Parent or such Obligor shall suspend payment of its
debts generally or shall be unable to, or shall admit inability to, pay its debts as they fall due, or shall be adjudicated or found bankrupt or insolvent by any competent court in a voluntary or
involuntary bankruptcy or insolvency proceeding and, in the case of an involuntary proceeding, such adjudication or finding is not stayed, vacated or dismissed for thirty (30) days, or shall
enter into any composition or other similar arrangement with its creditors generally;

	6.1.8
	a
receiver, administrator, liquidator or other similar official shall be appointed in relation to the Parent or such Obligor or in relation to the whole or a substantial part of its
assets or to the Collateral or a distress, execution or other process shall be levied or enforced upon or out against, or any encumbrancer shall take possession of, the whole or a substantial part of
its assets or the Collateral and in any of the foregoing cases, such action or person shall not be discharged, dismissed, vacated, stayed or bonded within thirty (30) days; 

18

 

	6.1.9
	any
seizure, vesting or intervention by or under authority of a government occurs, by which the Parent's or such Obligor's management is displaced or its authority in the conduct of
its business is curtailed;

	6.1.10
	default
by the Parent or such Obligor in (i) any payment of principal of or interest of any Indebtedness beyond the period of grace, if any, provided in the instrument or
agreement under which such Indebtedness was created; or (ii) default in the observance or performance of any other agreement or condition relating to any such Indebtedness or contained in any
instrument or agreement evidencing, securing or relating thereto, or any other event shall occur or condition exist, the effect of which default or other event or condition is to cause, or to permit
the holder or holders of such Indebtedness (or a trustee or agent on behalf of such holder or holders) to cause, with the giving of notice if required, such Indebtedness to become due prior to its
stated maturity, provided that the aggregate principal amount of all such Indebtedness which would then become due and payable would equal or exceed, in
the case of the Parent or such Obligor, $15,000,000; or

	6.1.11
	One
or more judgments or decrees shall be entered against the Parent or such Obligor involving in the aggregate a liability (to the extent not paid or covered by insurance) of, in
the case of the Parent or such Obligor, $15,000,000 or more, and all such judgments or decrees shall not have been vacated, discharged, stayed or bonded pending appeal within 60 days after the
entry thereof.

	6.1.12
	The
Net Worth of the Parent shall be less than $750,000,000 as of the end of any fiscal quarter. 

6.2    Remedies  

	6.2.1
	Without
limiting any other rights or remedies of the Lender provided for elsewhere in this Agreement or any other Fundamental Document, or by applicable law, or in equity, or
otherwise, (i) if any Event of Default shall occur and be continuing with respect to either Obligor, the Lender may, by notice to such Obligor, declare all amounts owing under this Agreement
and any Letters of Credit (whether or not such Letter of Credit Obligations be contingent or unmatured) issued at the request of either Obligor to be forthwith due and payable, whereupon all such
amounts shall become and be forthwith due and payable, without presentment, demand, protest or further notice of any kind, all of which are hereby expressly waived by each Obligor, and (ii) if
any Event of Default shall occur and be continuing with respect to the Parent, the Lender may, by notice to each Obligor, declare all amounts owing under this Agreement and any Letters of Credit
(whether or not such Letter of Credit Obligations be contingent or unmatured) issued at the request of either Obligor to be forthwith due and payable, whereupon all such amounts shall become and be
forthwith due and payable, without presentment, demand, protest or further notice of any kind, all of which are hereby expressly waived by each Obligor. The Lender may immediately take any and all
remedies with respect to the Collateral permitted by the Security Documents.

	6.2.2
	Upon
declaration as provided for above, each Obligor shall, as specified in written notice by the Lender, either (i) immediately deliver to the Lender, any amounts required
to be paid in accordance with sub-clause 5.1.3 hereof (the "Letter of Credit Amount"), or (ii) with the consent of the Beneficiary or Beneficiaries thereof, cause any Letters
of Credit to be cancelled forthwith in a manner satisfactory to the Lender. In addition to providing the Letter of Credit Amount, each Obligor shall provide the Lender with any documentation as the
Lender may from time to time request to perfect its rights in the Letter of Credit Amount, including, without limitation, pledge agreements and financing statements in form and substance satisfactory
to the Lender. The Lender shall hold the Letter of Credit Amount in its own 

19

 

name,
for the exclusive purpose of applying such Letter of Credit Amount toward the immediate payment of amounts which are thereafter drawn under any Letter of Credit, and, to the extent of such
payment, the Reimbursement Obligations shall be deemed to be satisfied. Upon the expiry date of all Letters of Credit, any Letter of Credit Amount remaining after satisfaction of all Reimbursement
Obligations shall be remitted to the order of the relevant Obligor. Each Obligor shall remain liable for the relevant amount of any deficiency in respect of its Letter of Credit Obligations and
Reimbursement Obligations. 

	6.2.3
	Upon
the occurrence and during the continuation of any Default or Event of Default under this Agreement, no Letter of Credit shall be issued, renewed or extended under this
Agreement without the consent of the Lender. 

7.    MISCELLANEOUS  

7.1    Amendments and Waivers  

No
amendment or waiver of any provision of this Agreement or any other Fundamental Document nor consent to any departure by either Obligor therefrom, shall in any event be effective unless the same
shall be in writing and signed by the Lender and such Obligor and then such waiver or consent shall be effective only in the specific instance and for the specific purpose for which given. 

7.2    Addresses for Notices  

All
notices and other communications provided for hereunder shall be in writing unless otherwise stated herein and shall be delivered by e-mail, fax, hand delivery, or recognized courier
service that provides delivery within two Business Days: 

if
to Arch Reinsurance, at: 

Wessex
House

45 Reid Street

Hamilton HM 12

Bermuda

Attn: Controller

Telephone: +1 (441) 278-9200

Facsimile: +1 (441) 278-9230

E-mail: janine.trench@archreinsurance.bm

if
to Arch Insurance, at: 

One
Liberty Plaza

53rd Floor

New York, NY 10006

Attn: Controller

Telephone: +1 (212) 651 6502

Facsimile: +1 (646) 746 8109

E-mail: rtaraz@archinsurance.com 

20

 

With
a copy to Arch Capital Services Inc. at 

20
Horseneck Lane

Greenwich, Connecticut 06830

USA

Attn: President

Telephone: +1 (203) 862-4300

Facsimile: +1 (203) 861-7240

E-mail: lpetrillo@archcapservices.com 

if
to the Lender, at 

54
Lombard Street

London EC3V 9EX

England

Attn: Richard Askey/Malcolm Heard/Brendan Mahoney

Telephone: +44 (0) 207 699 3124/3314 or switchboard +44 (0) 207 699 5000

Facsimile: +44 (0) 207 699 2407

E-mail: Richard.G.Askey@barclayscorporate.com 

Malcolm.Heard@barclayscorporate.com
or Brendan.Mahoney@barclayscorporate.com and shall be effective when delivered at the address specified in or pursuant to this Clause, or such other address
notified to the other party in writing. 

7.3    Successors and Assigns  

This
Agreement is a continuing obligation of each Obligor and shall, until the date on which all amounts due and owing hereunder are paid in full (i) be binding upon the Obligors, its
successors and assigns, and (ii) inure to the benefit of and be enforceable by the Lender and its successors and assigns, provided that any
assignment of this Agreement or any part hereof by either Obligor shall be void. 

7.4    Payment of Expenses and Taxes; Indemnities  

	7.4.1
	(i) Each
Obligor hereby agrees severally, and not jointly, to pay or reimburse the Lender for all its out-of-pocket costs and expenses incurred in
connection with the development, preparation and attention to the execution of the Fundamental Documents, and of documents embodying or relating to amendments, waivers or consents with respect to any
of the foregoing, including the reasonable fees and out-of-pocket costs and expenses of counsel to the Lender, (ii) each Obligor agrees severally, and not jointly, to
pay and to save the Lender from all registration, recording and filing fees and all liabilities with respect to, or resulting from, any delay by such Obligor in paying stamp and other Taxes, if any,
which may be payable or determined to be payable in connection with the execution and delivery of, any of the Fundamental Documents or any amendment, waiver or consent with respect thereto or the
consummation of any of the transactions contemplated thereby, (iii) each Obligor agrees severally, and not jointly, to pay or reimburse the Lender for all its
out-of-pocket costs and expenses incurred in connection with the preparation and attention to the execution and issuance of Letters of Credit issued at the request of such
Obligor and (iv) each Obligor agrees severally, and not jointly, to pay or reimburse the Lender for all out-of-pocket costs and expenses incurred by it in connection
with the enforcement or preservation of any rights against such Obligor under or in respect of this Agreement and the other Fundamental Documents (including the fees and expenses of lawyers retained
by the Lender, including the allocated costs of internal counsel, and remuneration paid to agents and experts not in the 

21

 

full-time
employ of the Lender for services rendered on behalf of the Lender) on a full indemnity basis. All such amounts will be paid by each Obligor on demand. 

	7.4.2
	Each
Obligor agrees severally, and not jointly, to indemnify the Lender, and its directors, officers, employees, agents and Affiliates from, and hold each of them harmless against,
any and all claims, damages, losses, liabilities, costs and expenses (including without limitation, reasonable fees and disbursements of counsel) arising as a consequence of (i) any failure by
such Obligor to pay the Lender, as required under this Agreement, punctually on the due date thereof, any amount payable by such Obligor to the Lender or (ii) the acceleration, in accordance
with the terms of this Agreement, of the time of payment of any of the Reimbursement Obligations of such Obligor, except to the extent caused by the Lender's negligence or wilful misconduct or breach
of this Agreement. Such losses, costs or expenses may include, without limitation, (i) any costs incurred by the Lender in carrying funds to cover any overdue principal, overdue interest, or
any other overdue sums payable by such Obligor to the Lender or (ii) any losses incurred or sustained by the Lender in liquidating or reemploying funds acquired by the Lender from third
parties.

	7.4.3
	Each
Obligor agrees severally, and not jointly, to indemnify the Lender, and its directors, officers, employees, agents and Affiliates from, and hold each of them harmless against,
any and all claims, damages, liabilities, losses, costs and expenses (including without limitation, reasonable fees and disbursements of counsel) arising out of or by reason of any investigation or
litigation or other proceedings (including any threatened investigation or litigation or other proceedings) with respect to such Obligor relating to any transaction contemplated by this Agreement or
any other Fundamental Document, any actions or omissions of such Obligor or any of such Obligor's directors, officers, employees or agents in connection with this Agreement or any other Fundamental
Document, including without limitation, the reasonable fees and disbursements of counsel incurred in connection with any such investigation or litigation or other proceedings (but excluding any such
losses, liabilities, claims, damages or expenses incurred by reason of the gross negligence or wilful misconduct of the Person to be indemnified).

	7.4.4
	If
in any case set out above, the Lender cannot determine which Obligor is the appropriate party to pay any such costs and expenses, the Obligors shall pay the demanded amount on a
50%-50% pro-rata basis. 

7.5    Right of Set-Off  

Each
Obligor agrees that, in addition to (and without limitation of) any right of setoff, banker's lien or counterclaim the Lender may otherwise have, the Lender shall be entitled, at its option, to
offset balances (general or special, time or demand, provisional or final, and regardless of whether such balances are then due to such Obligor) held by it for the account of such Obligor at any of
the Lender's offices, in Dollars or in any other currency, against any amount payable by such Obligor under this Agreement or any Letter of Credit that is not paid when due, taking into account any
applicable grace period, in which case it shall promptly notify such Obligor thereof, provided that the Lender's failure to give such notice shall not
affect the validity thereof. In furtherance thereof, each Obligor hereby grants to the Lender, a continuing lien, security interest and right of setoff as security for all liabilities and obligations
to the Lender, whether now existing or hereafter arising, upon and against all deposits, credits, collateral and property of such Obligor, now or hereafter in the possession, custody, safekeeping or
control of the Lender or any entity under the control of Fleet National Bank and its successors and assigns or in transit to any of them. At any time after the occurrence of an Event of Default,
without demand or notice (any such notice being expressly waived by each Obligor), the Lender may setoff the same or any part thereof and apply the same to any liability or obligation of such Obligor
even though unmatured 

22

 

and
regardless of the adequacy of any other collateral securing such Obligor's obligations hereunder. ANY AND ALL RIGHTS TO REQUIRE THE LENDER TO EXERCISE ITS RIGHTS OR REMEDIES WITH RESPECT TO ANY
OTHER COLLATERAL WHICH SECURES EACH OBLIGOR'S OBLIGATIONS HEREUNDER, PRIOR TO EXERCISING ITS RIGHT OF SETOFF WITH RESPECT TO SUCH DEPOSITS, CREDITS OR OTHER PROPERTY OF THE OBLIGOR, ARE HEREBY
KNOWINGLY, VOLUNTARILY AND IRREVOCABLY WAIVED. At the option of the Lender, if there is a separate revolving line of credit, line of credit, or other credit facility existing between the Lender and
such Obligor, the Lender is irrevocably authorized to satisfy such Obligor's reimbursement obligation to the Lender, in whole or in part, by making an advance under such facility. 

7.6    Governing Law  

This
Agreement, and the rights and obligations of the parties hereunder, shall be governed by, and construed in accordance with the laws of the State of New York without giving effect to the choice of
law or conflicts of law principles thereof. 

7.7    Consent to Jurisdiction  

Each
Obligor hereby expressly submits to the non-exclusive jurisdiction of all federal and state courts sitting in the State of New York, and agrees that any process or notice of motion or
other application to any of said courts or a judge thereof may be served upon such Obligor within or without such court's jurisdiction by registered or certified mail, return receipt requested, or by
personal service, at such Obligor's address (or at such other address as such Obligor shall specify by a prior notice in writing to the Lender), provided reasonable time for appearance is allowed.
Each Obligor hereby irrevocably waives any objection which it may now or hereafter have to the laying of venue to any suit, action or proceeding arising out or relating to this Agreement brought in
any federal or state courts sitting in the State of New York and hereby further irrevocably waives any claim that any such suit, action or proceeding brought in any such court has been brought in an
inconvenient forum. Notwithstanding the foregoing, the Lender may sue each Obligor in any jurisdiction where such Obligor or any of its assets may be found and may serve legal process upon such
Obligor in any other manner permitted by law. 

7.8    Waiver of Jury Trial  

EACH
OBLIGOR AND THE LENDER MUTUALLY HEREBY KNOWINGLY, VOLUNTARILY AND INTENTIONALLY WAIVE THE RIGHT TO A TRIAL BY JURY IN RESPECT OF ANY CLAIM BASED HEREON, ARISING OUT OF, UNDER OR IN CONNECTION
WITH THIS AGREEMENT OR ANY OTHER FUNDAMENTAL DOCUMENTS CONTEMPLATED TO BE EXECUTED IN CONNECTION HEREWITH OR ANY COURSE OF CONDUCT, COURSE OF DEALINGS, STATEMENTS (WHETHER VERBAL OR WRITTEN) OR
ACTIONS OF ANY PARTY, INCLUDING, WITHOUT LIMITATION, ANY COURSE OF CONDUCT, COURSE OF DEALINGS, STATEMENTS OR ACTIONS OF THE LENDER RELATING TO THE ADMINISTRATION OF THIS AGREEMENT OR ENFORCEMENT OF
THE FUNDAMENTAL DOCUMENTS, AND AGREE THAT NO PARTY WILL SEEK TO CONSOLIDATE ANY SUCH ACTION WITH ANY OTHER ACTION IN WHICH A JURY TRIAL CANNOT BE OR HAS NOT BEEN WAIVED. EXCEPT AS PROHIBITED BY LAW,
EACH OBLIGOR HEREBY WAIVES ANY RIGHT IT MAY HAVE TO CLAIM OR RECOVER IN ANY LITIGATION ANY SPECIAL, EXEMPLARY, PUNITIVE OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES OTHER THAN, OR IN ADDITION TO, ACTUAL
DAMAGES. EACH OBLIGOR CERTIFIES THAT NO REPRESENTATIVE, AGENT OR ATTORNEY OF THE LENDER HAS REPRESENTED, 

23

 

EXPRESSLY
OR OTHERWISE, THAT THE LENDER WOULD NOT, IN THE EVENT OF LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVER. THIS WAIVER CONSTITUTES A MATERIAL INDUCEMENT FOR THE LENDER TO ENTER INTO THIS
AGREEMENT AND THE OTHER FUNDAMENTAL DOCUMENTS. 

7.9    Interest  

All
agreements between the Lender and each Obligor are hereby expressly limited so that in no contingency or event whatsoever shall the amount paid or agreed to be paid to the Lender for the use or
the forbearance of the indebtedness evidenced hereby exceed the maximum permissible under applicable law. As used herein, the term "applicable law" shall mean the law in effect as of the date hereof;  provided, however, that in the event there is a change in the law which results in a higher permissible
rate of interest, then this Agreement shall be governed by such new law as of its effective date. In this regard, it is expressly agreed that it is the intent of the Lender and each Obligor in the
execution, delivery and acceptance of this Agreement to contract in strict compliance with the laws of the State of New York from time to time in effect. If, under or from any circumstances
whatsoever, fulfilment of any provision hereof or of any of the agreements executed herewith at the time of performance of such provision shall be due, shall involve transcending the limit of such
validity prescribed by applicable law, then the obligation to be fulfilled shall automatically be reduced to the limits of such validity, and if under or from circumstances whatsoever the Lender
should ever receive as interest an amount which would exceed the highest lawful rate, such amount which would be excessive interest shall be applied to the reduction of the principal balance evidenced
hereby and not to the payment of interest. This provision shall control every other provision of all agreements between each Obligor and the Lender. 

7.10    Table of Contents and Captions  

The
Table of Contents hereof and captions herein are included for convenience of reference only and shall not constitute a part of this Agreement for any other purpose. 

7.11    Integration  

This
Agreement is intended by the parties as the final, complete and exclusive statement of the transactions evidenced by this Letter of Credit and Reimbursement Agreement. All prior or
contemporaneous promises, agreements and understandings, whether oral or written, are deemed to be
superseded by this Agreement, and no party is relying on any promise, agreement or understanding not set forth in this Agreement. 

7.12    Counterparts  

        This Agreement may be executed in multiple counterparts each of which shall be an original and all of which when taken together shall constitute but one and the
same Agreement. 

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IN WITNESS WHEREOF, the parties have caused this Agreement to be duly executed and delivered by their respective officers, as an instrument under seal,
as of the date first above written. 

	 
	 	 

	ARCH REINSURANCE LTD., as Obligor	 	 
	

By:	
 	

 
	

Name:	
 	

 
	

Title:	
 	

 
	

 ARCH INSURANCE COMPANY, as Obligor	

 	

 
	

By:	
 	

 
	

Name:	
 	

 
	

Title:	
 	

 
	

 BARCLAYS BANK PLC, as Lender	

 	

 
	

By:	
 	

 
	

Name:	
 	

 
	

Title:	
 	

 

25

QuickLinks

ARCH REINSURANCE LTD. AND ARCH INSURANCE COMPANY AS OBLIGORS WITH BARCLAYS BANK PLC AS LENDER AMENDMENT AGREEMENT RELATING TO A LETTER OF CREDIT AND REIMBURSEMENT AGREEMENT DATED AS OF 25 NOVEMBER
2003

SCHEDULE 1 CONDITIONS PRECEDENT

SIGNATURES

DATED AS OF NOVEMBER 25, 2003 (AS AMENDED AND RESTATED ON AUGUST 19, 2004) AND ARCH REINSURANCE LTD. AND ARCH INSURANCE COMPANY as Obligors and BARCLAYS BANK PLC as Lender

AMENDED AND RESTATED LETTER OF CREDIT AND REIMBURSEMENT AGREEMENT

CONTENTS

LETTER OF CREDIT AND REIMBURSEMENT AGREEMENT

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