Document:

Exhibit 10.34

Trenwick Group Ltd.                                               LOM Building
                                                                  27 Reid Street
                                                                  Hamilton HM11
                                                                  Bermuda

[TRENWICK LOGO]

March 25, 2003

Mr. W. Marston Becker
48 Ledyard Road
West Hartford, CT 06117-1708

                       Re: Amended and Restated Agreement

Dear Mr. Becker:

This amendment to your letter agreement (this "Agreement") will confirm the
amended and restated understanding between Trenwick Group Ltd. (the "Company")
and you, pursuant to which you have been engaged by the Company to provide
services as its Acting Chairman of the Board of Directors and Acting Chief
Executive Officer.

(1)   You shall perform the duties and activities customarily associated with
      the Chairman and Chief Executive Officer of the Company and you shall have
      full authority to conduct the affairs of the Company during the term of
      this Agreement. Your duties shall include but not be limited to the
      ability to enter into contracts and other agreements binding the Company,
      hiring and dismissal of employees, engagement of independent contractors
      to work for the Company, and representation of the Company before
      regulatory authorities and rating agencies.

(2)   The term of this Agreement and your engagement hereunder shall extend from
      August 15, 2002 through the earliest of (a) your death or disability, (b)
      the mutual agreement of you and the Company or (c) thirty calendar days
      following delivery of written notice of termination of this Agreement by
      you or the Company.

      Notwithstanding expiration or termination of this Agreement, it is agreed
      that the provisions concerning confidentiality (Section 6),
      indemnification (Sections 5 and 8), ownership of work product (Section 7),
      dispute resolution (Section 10) and the Company's obligations to pay fees
      and reimburse expenses earned or incurred prior to the termination of this
      Agreement (Section 3) shall survive any such expiration or termination.

(3)   As base compensation for the services hereunder, the Company will pay you,
      (a) for the period from August 15, 2002 through December 31, 2002, a
      monthly fee of $50,000, which shall be paid in arrears on or before the
      15th calendar day of each month following the month in which such fee is
      earned and (b) commencing on and after January 1, 2003 until the date of
      termination of this Agreement, a monthly fee of $75,000, which shall be
      paid in advance at the beginning of each calendar month.

<PAGE>

      In addition to the foregoing, the Company will pay you incentive
      compensation in accordance with the provisions of Schedule A which is
      attached hereto and is incorporated in all respects into and as part of
      this Agreement.

      The Company shall reimburse you monthly for your reasonable out-of-pocket
      expenses incurred or accrued during the period of or in connection with
      your engagement notwithstanding the termination of this Agreement. You
      shall report and account for your expenses monthly on the Company's
      standard expense account forms and be reimbursed by the Company within 30
      calendar days of submission of such expense account forms to the Company.

(4)   You shall not be entitled to any Company benefits or other benefits as may
      accrue to a full or part-time employee of the Company.

(5)   In performing services and duties hereunder, you shall do so as an
      independent contractor and you are not, and are not to be deemed, an
      employee of the Company or any other person acting on behalf of the
      Company. You shall be responsible for meeting any legal requirements
      imposed on you or any person acting on your behalf as a result of this
      Agreement, including but not limited to the filing of income tax returns
      and the payment of taxes; and you agree to indemnify the Company for the
      failure to do so, if the Company is required to make any such payment
      otherwise due by you.

(6)   To the extent that you obtain non-public information about the Company's
      or its affiliates' business practices and plans, including but not limited
      to, business strategies, marketing strategies, technical information,
      systems information, product development, service development and
      customers ("Confidential Information"), then all such Confidential
      Information disclosed to you shall be received by you in confidence for
      purposes of this Agreement. You shall not disclose, disseminate, publish,
      communicate or divulge any Confidential Information to anyone outside the
      Company, or to any employee of the Company not having reasonable need for
      access to such information, unless the Company expressly consents to such
      disclosure in writing or as may be required by law. You agree that all
      Confidential Information within your possession upon termination of this
      Agreement shall be returned promptly to the Company. You understand and
      agree that money damages will not be sufficient as a remedy for any breach
      of this Section and that the Company shall be entitled to equitable
      relief, including injunction and specific performance, as a remedy for any
      breach of this Section.

(7)   All work product created by you on behalf of the Company during the term
      of this Agreement shall be the sole property of the Company, and you shall
      not have any license or other right, express or implied, to such work
      product.

(8)   In consideration for your work on behalf of the Company and its
      subsidiaries, the Company and its subsidiaries shall indemnify and hold
      you harmless from and against any and all claims, damages or liabilities
      arising out of your engagement as Acting Chairman and Acting Chief
      Executive Officer, unless a judgment or other final adjudication
      establishes that your acts or omissions were in bad faith or involved

                                      -2-
<PAGE>

      intentional misconduct or a knowing violation of law. Costs and expenses
      (including attorney's fees) incurred by you in defending or investigating
      any action, suit, proceeding or investigation shall be paid by the
      Company, in advance of final disposition of such matter, upon receipt of
      your written undertaking to repay any such amounts if it is ultimately
      determined that you are not entitled to indemnification hereunder. The
      Company's subsidiaries shall also confirm their agreement to be jointly
      and severally liable to you for the obligations set forth in this
      paragraph 8.

(9)   For the purposes of this Agreement, notices, demands and all other
      communications shall be in writing and shall be deemed to have been duly
      given when delivered to the recipient at one of the following addresses:

      If to you:

                  48 Ledyard Road
                  West Hartford, CT 06117

      If to the Company:

                  One Canterbury Green
                  Stamford, Connecticut 06901
                  Attention: General Counsel

      or to such other address as any party may have furnished to the other in
      writing.

(10)  Except as otherwise set forth in Section 6 herein with respect to the
      Company's remedy for any breach of Section 6, all controversies, claims,
      or disputes arising out of or related to this Agreement, shall be settled
      by arbitration in the State of Connecticut, as the sole and exclusive
      remedy of either party, and judgment upon such award rendered by the
      arbitrator(s) may be entered in any court of competent jurisdiction. In
      the event that a court of competent jurisdiction determines that
      arbitration is not appropriate for the adjudication of any claim, you
      hereby waive your right to a jury trial.

      One arbitrator shall be chosen by you, the other by the Company, and an
      umpire shall be chosen by the two arbitrators, all of whom shall be active
      or retired disinterested executive officers of insurance or reinsurance
      companies. In the event that either party shall fail to choose an
      arbitrator within 30 days following a written request by the other party
      to do so, the requesting party may choose two arbitrators who shall in
      turn choose an umpire. If the two arbitrators fail to agree on the
      selection of an umpire within 30 days following their appointment, each
      arbitrator shall name three nominees, of whom the other shall decline two,
      and the decision shall be made by drawing lots.

      Each party shall bear the expense of its own arbitrator, and shall jointly
      and equally bear with the other the expense of the umpire.

                                      -3-
<PAGE>

(11)  If any provision of this Agreement shall, to any extent, now or hereafter
      be or become invalid or unenforceable, the remainder of this Agreement
      shall not be affected thereby and every other provision of this Agreement
      shall be valid and enforceable, to the fullest extent permitted by law.

(12)  No provision of this Agreement may be modified, waived or discharged
      unless such waiver, modification or discharge is agreed to in writing
      signed by the parties. No waiver by either party at any time of any breach
      by the other party hereto of, or compliance with, any condition or
      provision of this Agreement to be performed by such other party shall be
      deemed a waiver of similar or dissimilar provisions or conditions at the
      same or at any prior or subsequent time.

(13)  This Agreement (including Schedule A hereto) sets forth the entire
      agreement of the parties hereto in respect of the subject matter contained
      herein and supersedes all prior agreements, promises, covenants,
      arrangements, communications, representations or warranties, whether oral
      or written, by any officer, employee or representative of any party hereto
      including, without limitation, the letter agreement of August 26, 2002 by
      and between you and the Company as amended by letter agreement dated
      December 31, 2002.

(14)  Neither party to this Agreement can assign his or its rights or
      obligations under this Agreement without the prior written consent of the
      other party to this Agreement.

(15)  This Agreement shall be governed by and construed in accordance with the
      laws of the State of Connecticut without regard to the conflicts of law
      provisions thereof. This Agreement may be signed in any number of
      counterparts, each of which shall be an original, but all of which
      together shall constitute one and the same instrument.

If the foregoing correctly sets forth the understanding and agreement between
you and the Company, please sign and return one original executed copy of this
Agreement.

                                      -4-
<PAGE>

                                   Trenwick Group Ltd.

                                   /s/ Clement S. Dwyer, Jr.
                                   --------------------------------------------
                                   By: Clement S. Dwyer, Jr.
                                       Chairman of the Compensation Committee

Confirmed and Agreed as of the date first written above:

/s/ W. Marston Becker
-------------------------------

W. Marston Becker

                                      -5-
<PAGE>

                                   Schedule A

1.    Cash Incentive Bonus. Subject to the terms of this Agreement, the Company
      hereby agrees that you shall be granted a bonus in the aggregate amount of
      $600,000 (the "Cash Incentive Bonus"). The Cash Incentive Bonus shall be
      payable to you subject to and in accordance with the requirements of this
      Agreement.

2.    Payment Dates. The Cash Incentive Bonus shall become payable in increments
      of (i) $200,000 on or before March 28, 2003 and (ii) $200,000 on each of
      June 30, and December 31, 2003. The Cash Incentive Bonus shall be payable
      only to the extent that you have not voluntarily terminated your
      engagement with the Company (other than to become an employee thereof) or
      been terminated for Cause (as defined herein) by the Company prior to the
      originally scheduled date of payment of the Cash Incentive Bonus. In the
      event there is a Change in Control (as defined herein) any portion of the
      Cash Incentive Bonus which has not yet been paid to you shall be due and
      payable to you on the date of such Change in Control, provided that you
      have not voluntarily terminated your engagement (other than to be come an
      employee thereof) or been terminated for Cause by the Company prior to the
      date of such Change in Control.

3.    Change in Control. For purposes of this Schedule A, a "Change in Control"
      shall be deemed to have occurred upon the earliest to happen of the
      following:

(a)   The acquisition, in one or more transactions, of beneficial ownership
      (within the meaning of Rule 13d-3 under the Securities Exchange Act of
      1934 (the "Exchange Act") by any person or entity or any group of persons
      or entities who constitute a group (within the meaning of Rule 13d-3 of
      the Exchange Act), other than a trustee or other fiduciary holding
      securities under an employee benefit plan of the Company or a subsidiary,
      of any securities of the Company if, as a result of such acquisition, such
      person, entity or group either (i) beneficially owns (within the meaning
      of Rule 13d-3 under the Exchange Act), directly or indirectly, more than
      50% of the Company's outstanding voting securities entitled to vote on a
      regular basis for a majority of the members of the Board or (ii) otherwise
      has the ability to elect, directly or indirectly, a majority of the
      members of the Board;

(b)   A change in the composition of the Board such that a majority of the
      members of the Board are not Continuing Directors. A "Continuing Director"
      means, as of any date of determination, any member of the Board who (i)
      was a member of the Board on the date of this Agreement, or (ii) was
      nominated and elected to such Board with the affirmative vote of a
      majority of the Continuing Directors who were members of the Board at the
      time of such nomination or election; or

(c)   The shareholders of the Company approve (i) a merger or consolidation of
      the Company with any other corporation, other than a merger or
      consolidation which

                                      -6-
<PAGE>

      would result in the voting securities of the Company outstanding
      immediately prior thereto continuing to represent (either by remaining
      outstanding or by being converted into voting securities of the surviving
      entity) at least 50% of the total voting power represented by the voting
      securities of the Company or such surviving entity outstanding immediately
      after such merger or consolidation, or (ii) a plan of complete liquidation
      of the Company or an agreement for the sale or disposition by the Company
      (in one or more transactions) of all or substantially all of the Company's
      assets.

      provided, however, that a "Change of Control" shall not be deemed to have
      occurred in the case of (a) or (b) above from the issuance of equity
      securities (or a right to receive such equity securities) to any class of
      debt or equity securities or other debt obligations of Group or any direct
      or indirect subsidiary thereof which are outstanding as of January 1,
      2003, upon conversion thereof or in connection with any negotiated
      restructuring or other consensual modification, amendment or waiver of any
      of the terms of such securities or obligations.

4.    Cause. For purposes of this Schedule A, "Cause" shall mean: (A) the
      commission by you of any felonious act or crime involving moral turpitude,
      dishonesty, theft or unethical business conduct, (B) the willful and
      continued failure of you (after not less than fifteen days notice to you
      by the Company of such failure and an opportunity to cure) to
      substantially perform your duties (other than as a result of incapacity
      due to physical or mental injury or illness) which duties you have been
      directed in writing to perform by the Board; (C) willful misconduct or
      gross negligence by you in the performance of your duties, or (D) willful
      failure by you to comply with the policies or procedures of the Company
      applicable to you. No action or failure to act by you shall be considered
      "willful" if it is done by you in good faith and with the reasonable
      belief that your actions or omissions are in the interests of the Company,
      or are consistent with your fiduciary or legal obligations, and are in
      compliance with applicable law and regulation.

                                      -7-Exhibit 10.35

                                 Amendment No. 1
                                       To
                    Amended and Restated Employment Agreement

      This Amendment No. 1 (this "Amendment"), dated as of April 30, 2002,
between Guy D. Hengesbaugh (the "Executive") and LaSalle Re Limited (the
"Company"), amends the Amended and Restated Employment Agreement (the "Original
Agreement"), dated as of October 1, 1999, between the Executive and the Company.
Capitalized terms used and not defined herein shall have the respective meanings
ascribed to such capitalized terms in the Original Agreement.

                              W I T N E S S E T H:

      WHEREAS, the Executive and the Company are party to the Original
Agreement; and

      WHEREAS, the Executive and the Company desire to enter into this Amendment
in order to amend certain provisions of the Original Agreement;

      NOW, THEREFORE, in consideration of the mutual covenants and agreements
set forth below, it is hereby covenanted and agreed by the Executive and the
Company as follows:

A.    Amendments

1. Paragraph 4 of the Original Agreement is hereby amended by deleting
subparagraph 4(c) and replacing it with the following:

      "(c)  Salary Continuation. If the Executive's Date of Termination occurs
            during the Agreement Term because of (i) his discharge by the
            Company for reasons other than Cause (described in paragraph 3(c)),
            or (ii) his constructive discharge (described in paragraph 3(d)),
            the Executive shall be entitled to continue to receive Salary
            payments (at the rate in effect on the Date of Termination) through
            the earliest of : (x) the last day of the Agreement Term; (y) the
            date of the Executive's death or (z) the date, if any, of the breach
            by the Executive of the non-competition requirements of paragraph 6,
            the confidentiality requirements of paragraph 7 or the
            non-disparagement requirements of paragraph 8. If the Executive's
            Date of Termination is within one year following a Change in
            Control, the payment of the first 12 months of any salary
            continuation payments made pursuant to this subparagraph 4(c) shall
            be made within 10 calendar days of the Date of Termination and shall
            not be refundable, with any remaining salary continuation payments
            to be made in monthly or more frequent installments commencing on
            the 12 month anniversary of the Date of Termination and in
            accordance with the Company's customary payroll practices. If the
            Executive's Date of Termination is not within the

<PAGE>

            one year period following a Change in Control, any salary
            continuation payments made pursuant to this subparagraph 4(c) shall
            be made in monthly or more frequent installments in accordance with
            the Company's customary payroll practices."

2. Paragraph 4 of the Original Agreement is hereby amended by deleting
subparagraph 4(e) and (4)(f) replacing them with the following:

      "(e)  Housing Expenses. If the Executive is entitled to salary
            continuation payments pursuant to paragraph 4(c), the Executive
            shall receive a housing and living expense allowance (described in
            paragraph 2(g)) through the earlier of (i) the last day for this the
            Executive receives salary continuation payments pursuant to
            paragraph 4(c) or (ii) the first day following the Executive's Date
            of Termination upon which the Executive is entitled to receive a
            housing or living allowance as a full-time or part-time employee or
            consultant. If the Executive's Date of Termination is within one
            year following a Change in Control, the payment of the first 12
            months of any housing and living expense allowance made pursuant to
            this subparagraph 4(e) shall be made within 10 calendar days of the
            Date of Termination and shall not be refundable, with any remaining
            housing and living expense allowance payments to be made in monthly
            or more frequent installments commencing on the 12 month anniversary
            of the Date of Termination and in accordance with the Company's
            customary payroll practices. If the Executive's Date of Termination
            is not within the one year period following a Change in Control, any
            housing and living expense allowance payments made pursuant to this
            subparagraph 4(e) shall be made in monthly or more frequent
            installments in accordance with the Company's customary payroll
            practices.

      (f)   Medical Benefits. If the Executive is entitled to salary
            continuation payments pursuant to paragraph 4(c), the Executive may
            continue to participate in the Company's medical and dental plans in
            which he participated on the day before his Date of Termination
            through the earlier of (i) the last day for which the Executive
            receives salary continuation payments pursuant to paragraph 4(c) or
            (ii) the first day following the Executive's Date of Termination
            upon which the Executive is entitled to receive medical insurance
            benefits as a full-time or part-time employee or consultant.
            Participation in the Company's medical and dental plans is subject
            to the Executive's payment of the applicable employee portion of the
            monthly premium cost, if any, payable by employees of the Company
            from time to time. If the Company ceases offering the medical and
            dental plans in which the Executive participated on the day before
            his Date of Termination to Company employees during this time, the
            Executive may elect to participate in any other medical or dental
            plan offered by the Company to its employees; provided, however,
            that the Executive shall be

<PAGE>

            responsible for paying the applicable portion of the monthly premium
            cost, if any, payable by employees of the Company from time to time.

      (g)   Other Programs. No benefits shall be payable to the Executive under
            any other severance pay arrangement or similar arrangement
            maintained by the Company or any Subsidiary. Except as otherwise
            expressly provided in this Agreement, no other payments or benefits
            shall be due to the Executive following the Date of Termination
            (except as otherwise specifically provided under the terms of an
            employee benefit plan or arrangement)."

3. Paragraph 6 of the Original Agreement is hereby deleted and replaced with the
following:

      "6.   Non-competition. (a) While the Executive is employed by the Company
            and during the Non-Competition Period, the Executive agrees that he
            will not directly or indirectly perform services in a senior
            management-related position in Bermuda for a direct competitor of
            the Company (or any successor company into which the Company or the
            Holding Company may be merged or consolidated). A related position
            shall include, but is not limited to, a chief executive officer or
            president. The Executive shall have the right to request the Company
            consent to the Executive's right to directly perform services in a
            senior management-related position in Bermuda, which consent shall
            not be unreasonably withheld by the Company; provided, however, in
            the event the Company so consents, the Company's obligations to make
            any payments or provide any benefits to the Executive under
            paragraph 4 shall terminate as of the date of the Company's consent.

      (b)   While the Executive is employed by the Company, and during the
            Non-Competition Period, the Executive will not directly or
            indirectly solicit, divert or attempt to employ, solicit for
            employment or encourage to leave their employment, in each case,
            either as an employee, agent or representative, any person who is an
            officer, employee, agent or representative of the Company (or any
            successor company into which the Company or the Holding Company may
            be merged or consolidated).

      (c)   For purposes of this paragraph 6, "Non-Competition Period" shall be
            determined as follows:

            (i)   If the Executive's Date of Termination occurs under
                  circumstances described in paragraph 3(e) (relating to the
                  Executive's resignation) or within one year after the
                  occurrence of a Change in Control, the Non-Competition Period
                  shall be the period beginning on the Date of Termination, and
                  ending on the 12 month anniversary of the Date of Termination.

<PAGE>

            (ii)  If the Executive's Date of Termination occurs under
                  circumstances other than those described in paragraph 3(e)
                  (relating to the Executive's resignation), the Non-Competition
                  Period shall be the period beginning on the Date of
                  Termination and ending on the last day of the Agreement Term;
                  provided, however, that if the Executive is entitled to salary
                  continuation payments in accordance with paragraph 4(c), and
                  if such salary continuation payments are discontinued prior to
                  the last day of the Agreement Term, then the Non-Competition
                  Period will end on the date that the last salary continuation
                  payment is made to the Executive (unless such discontinuance
                  is as a result of the Executive's breach of this paragraph 6,
                  paragraph 7 or paragraph 8).

      (d)   For purposes of this paragraph 6, "Change in Control" means the
            earliest to happen of the following:

            (i)   The acquisition, in one or more transactions, of beneficial
                  ownership (within the meaning of Rule 13d-3 under the
                  Securities Exchange Act of 1934, as amended (the "Exchange
                  Act") by any person or entity or any group of persons or
                  entities who constitute a group (within the meaning of Rule
                  13d-3 of the Exchange Act), other than a trustee or other
                  fiduciary holding securities under an employee benefit plan of
                  Trenwick Group Ltd. ("Trenwick") or a subsidiary of Trenwick,
                  of any securities of Trenwick if, as a result of such
                  acquisition, such person, entity or group either (A)
                  beneficially owns (within the meaning of Rule 13d-3 under the
                  Exchange Act), directly or indirectly, more than 50% of
                  Trenwick's outstanding voting securities entitled to vote on a
                  regular basis for a majority of the members of the Trenwick
                  Board of Directors of Trenwick (the "Trenwick Board") or (B)
                  otherwise has the ability to elect, directly or indirectly, a
                  majority of the members of the Trenwick Board;

            (ii)  A change in the composition of the Trenwick Board such that a
                  majority of the members of the Trenwick Board are not
                  Continuing Directors. A "Continuing Director" means, as of any
                  date of determination, any member of the Trenwick Board who
                  (A) was a member of the Trenwick Board on the date of this
                  Agreement, or (B) was nominated and elected to such Board with
                  the affirmative vote of a majority of the Continuing Directors
                  who were members of the Trenwick Board at the time of such
                  nomination or election; or

            (iii) The shareholders of Trenwick approve (A) a merger or
                  consolidation of Trenwick with any other corporation, other
                  than a merger or consolidation which would result in the
                  voting securities of Trenwick outstanding immediately prior
                  thereto continuing to represent (either by remaining
                  outstanding or by being converted into voting securities of
                  the surviving entity) at least 50% of the total

<PAGE>
                  voting power represented by the voting securities of Trenwick
                  or such surviving entity outstanding immediately after such
                  merger or consolidation, or (B) a plan of complete liquidation
                  of Trenwick or an agreement for the sale or disposition by
                  Trenwick (in one or more transactions) of all or substantially
                  all of Trenwick's assets.

            (iv)  Trenwick sells, distributes, liquidates or otherwise disposes
                  of its ownership interest in, all or substantially all of the
                  common shares or assets of, the Company or the Holding
                  Company.

            (v)   The Company sells, distributes or otherwise disposes of its
                  ownership interest in all or substantially all of the
                  Company's current in-force business through either a sale of
                  renewal rights or a reinsurance transaction or some
                  combination thereof.

            Notwithstanding the foregoing, the events in paragraph (d)(i)(A)
            above or paragraph (d)(iii)(A) above shall not be deemed a Change in
            Control if, for a period of one year following the consummation of
            the transactions constituting such change the Continuing Directors
            shall have continued to constitute a majority of the Board of
            Directors of Trenwick or its successor. In addition, an event that
            would not otherwise be a Change in Control in accordance with this
            definition may be designated as a "Change in Control" by the
            Trenwick Board, in its sole discretion.

            Nothing in this paragraph 6, paragraph 7 or paragraph 8 shall be
            construed as limiting the Executive's duty of loyalty to the Company
            while she is employed by the Company or any other duty she may
            otherwise have to the Company while she is employed by the Company."

B. Miscellaneous Provisions

1. This Amendment is limited as specified and shall not constitute an amendment,
modification, acceptance or waiver of any other provision of the Original
Agreement or any other agreement, written or oral, between the Executive and the
Company.

2. This Amendment and the rights and obligations of the parties hereunder shall
be construed in accordance with and governed by the laws of Bermuda, without
regard to the conflict of law provisions of any jurisdiction. All disputes shall
be arbitrated or litigated (whichever is applicable) in Bermuda.

3. From and after the effective date of this Amendment, all references in the
Original Agreement shall be deemed to refer to the Original Agreement as
modified hereby.

<PAGE>

IN WITNESS WHEREOF, the Company and the Executive have executed this Amendment
as of the date first set forth above.

                                           /s/ Guy D. Hengesbaugh
                                        ------------------------------------
                                               Guy D. Hengesbaugh

                                        LASALLE RE LIMITED

                                        By:      /s/ James F. Billett, Jr.
                                           ---------------------------------
                                        Name: James F. Billett, Jr.
                                        Title: Director

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