Exhibit 10.47

EXECUTION VERSION

SUPPLEMENT TO
CHANGE IN CONTROL AGREEMENT

THIS SUPPLEMENT TO CHANGE IN
CONTROL AGREEMENT (this Supplement), dated as of March 3, 2006, is made by
and between ROGER ARWOOD (Employee) and GOLD BANC CORPORATION, INC. (Employer).

Recitals

|1. | Employee
and Employer have entered into a Change in Control Agreement, dated November 4, 2005 and
effective as of June 1, 2005 (the Agreement).
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|2. | Pursuant
to the Agreement, Employer has agreed that if Employer terminates Employee other than for
Cause following a Change in Control, then Employer will pay Employee an amount equal to
one (1) years base compensation in effect for Employee as of the date of such
Change in Control (the Termination Payment).
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|3. | Employer
and Marshall & Ilsley Corporation (M&I) have entered into an Agreement and Plan of
Merger, dated as of November 9, 2005, as amended (the Merger Agreement),
pursuant to which Employer will merge (the Merger) with and into M&I.
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|4. | The
Merger will close (the Closing) on a date determined pursuant to the Merger
Agreement, and will become effective at the time specified in the Merger Agreement (the
Effective Time).
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|5. | M&I has
confirmed that it intends to terminate Employee promptly following the Closing and the
Effective Time of the Merger.
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|6. | Employee
is willing to voluntarily resign prior to the Effective Time, based upon the agreement of
Employer, and the approval and consent of M&I, to the terms and conditions of this
Supplement.
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Agreement

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

| |  | Certain
Definitions. As used in this Supplement, unless otherwise defined herein, all capitalized
terms used herein that are defined in the Agreement shall have the meanings given to them
in the Agreement.
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| |  | Employee
Resignation. Employee hereby resigns as the Executive Vice President of Employer and the
President of Gold Bank, resigns all his director and officer positions with all
subsidiaries and affiliates of Employer, and terminates his employment with Employer, all
effective as of March 3, 2006 (the Resignation Date). Employee acknowledges
that since the termination of his employment is voluntary, he is not entitled to
unemployment benefits in connection therewith, and agrees that he will not file any claim
therefore. Employee further agrees that he will not have any accrued, but unused,
vacation days as of the date his employment with Employer terminates.
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| |  | Termination
Payment. Notwithstanding any other provision of the Agreement, if and only if the Closing
Date and the Effective Time of the Merger occur on or before December 31, 2006, then
Employer agrees to pay Employee the Termination Payment as provided in Section 3 of the
Agreement in an amount equal to one years base salary ($265,000), along with the
interest accrued in accordance with section 4 below, as if Employee had been terminated
by Employer without Cause immediately after the Effective Time. Notwithstanding Section 3
of the Agreement, such Termination Payment (plus accrued interest thereon, as provided in
paragraph 4 hereof) shall be paid in no event more than ten (10) business days, following
the later of (i) the Effective Time or (ii) six months and one day after the Resignation
Date. The Payment will not count as compensation for purposes of any of Employers
qualified or nonqualified retirement or welfare benefit plans, and will be reduced by any
applicable federal and state income  and employment tax withholding.
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| |  | Interest.
Notwithstanding any provision of the Agreement or of this Supplement, Employer shall pay
to Employee interest on the principal amount of the Termination Payment, at the rate of
3.92% per annum, from the Effective Time until the date the Termination Payment is paid
to Employee, such interest to be payable on the date the Termination Payment is paid to
Employee.
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| |  | Notices.
All notices, requests, demands and other communications hereunder shall be deemed to have
been duly given if delivered by hand or mailed by certified mail or registered mail,
return receipt requested, with postage prepaid or by nationally recognized overnight
delivery service:
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if to
Employee, to:

Roger
ArwoodP.O. Box 26633Shawnee Mission, Kansas 66225

or to such
other person and place as the Employee shall direct to Employer in writing;

if to
Employer, to:

Gold Banc
Corporation, Inc.11301 Nall AvenueLeawood, Kansas 66211

or to such
other place or person as Employer shall direct to Employee in writing.

| |  | Governing
Law. This Supplement and all rights and obligations of the parties shall be construed
and interpreted under and pursuant to the laws of the State of Kansas applicable to
agreements made and to be performed entirely within such state, including all matters of
enforcement, validity and performance.
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| |  | Entire
Agreement. This Supplement, along with the Agreement, constitutes the entire
agreement between the parties hereto with respect to the transactions contemplated
herein, and supersedes all prior and contemporaneous agreements and undertakings of the
parties pertaining to the subject matter hereof.
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| |  | Waiver
and Amendment. Any of the provisions of this Supplement may be waived in writing at
any time by the party or parties which is or are entitled to the benefit of such
provision. Any of the provisions of this Supplement may be amended at any time by written
agreement of all the parties hereto.
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| |  | Negotiated
Transaction. The provisions of this Supplement were negotiated by the parties hereto
and this Supplement shall be deemed to have been drafted by all the parties hereto.
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| |  | Counterparts.
This Supplement may be executed in two or more counterparts, each of which shall be
deemed an original and all of which shall constitute one and the same instrument. This
Supplement may be executed by manual signature or facsimile signature each of which shall
be equally valid.
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IN WITNESS WHEREOF, Employee and
Employer have caused this Supplement to be executed as of the date first written above.

| |  | /s/ Roger M. Arwood | 
| |  | ------------------- | 
| |  | ROGER M. ARWOOD     | 

| | GOLD BANC CORPORATION, INC.                           
| | ------------------------------------------------------
| | By:                                                   
| | Name: Malcolm M. AslinTitle:   Chief Executive Officer

Consent And
Approval

Marshall & Ilsley Corporation (M&I) has
reviewed the foregoing Supplement, hereby approves the terms of the Supplement and hereby
consents to the execution and delivery of the Supplement by Employer and Employee.

After the
Effective Time of the Merger, M&I, as successor by merger to Employer, agrees to pay the
Termination Payment plus interest to Employee as provided in the Supplement.  With
respect to the Merger Agreement, M&I hereby consents to Employers execution and
delivery of the Supplement, and hereby waives Employers noncompliance with any and
all agreements and covenants in the Merger Agreement that might otherwise prohibit the
execution and delivery of the Supplement, and the transactions contemplated thereby,
including without limitation, Sections 4.1(a), 4.1(e), 4.2(a) and 4.2(1)(x) of the Merger
Agreement.  The undersigned is an officer of M&I and has authority to execute and deliver
this Consent and Approval on behalf of M&I.

| | MARSHALL & ILSLEY CORPORATION     
| | ----------------------------------
| | By:                               
| | Paul Renard, Senior Vice President