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  Exhibit 4.6    
    

 

 GUARANTEE AGREEMENT  

 Between  

 TCF FINANCIAL CORPORATION,  

 as Guarantor,  

 and  

 WILMINGTON TRUST COMPANY,  

 as Trustee,  

 dated as of August [    •    ], 2008  

 

 

 CROSS-REFERENCE TABLE* 

			
	Section of Trust Indenture Act of 1939, as amended

 
	 	Section of

Guarantee Agreement 
	 310(a). 
	 	4.1(a)
	 310(b). 
	 	4.1(c), 2.8
	 310(c). 
	 	Inapplicable
	 311(a). 
	 	2.2(b)
	 311(b). 
	 	2.2(b)
	 311(c). 
	 	Inapplicable
	 312(a). 
	 	2.2(a)
	 312(b). 
	 	2.2(b)
	 313(a). 
	 	2.3
	 313(b). 
	 	2.3
	 313(c). 
	 	2.3
	 313(d). 
	 	2.3
	 314(a). 
	 	2.4
	 314(b). 
	 	Inapplicable
	 314(c). 
	 	2.5
	 314(d). 
	 	Inapplicable
	 314(e). 
	 	1.1, 2.5, 3.2
	 314(f). 
	 	3.2
	 315(a). 
	 	3.1(d)
	 315(b). 
	 	2.7
	 315(c). 
	 	3.1(c)
	 315(d). 
	 	3.1(d)
	 315(e). 
	 	2.1
	 316(a). 
	 	2.6, 5.4
	 316(b). 
	 	5.3
	 316(c). 
	 	2.1
	 317(a). 
	 	Inapplicable
	 317(b). 
	 	Inapplicable
	 318(a). 
	 	2.1(b)
	 318(b). 
	 	2.1
	 318(c). 
	 	2.1

	*
	This
Cross-Reference Table does not constitute part of the Guarantee Agreement and shall not affect the interpretation of any of its terms or provisions. 

i

   GUARANTEE AGREEMENT  

        This GUARANTEE AGREEMENT, dated as of August [    •    ], 2008, is
executed and delivered by TCF FINANCIAL CORPORATION, a Delaware corporation (the "Guarantor"), having its principal office at 200 Lake Street East, Wayzata, Minnesota 55391-1693, and
Wilmington Trust Company, a Delaware banking corporation, as trustee (the "Guarantee Trustee"), for the benefit of the Holders (as defined herein) from time to time of the Capital Securities and the
Common Securities (each as defined herein and together, the "Securities") of TCF CAPITAL I, a Delaware statutory trust (the "Issuer"). 

        WHEREAS,
pursuant to an Amended and Restated Trust Agreement, dated as of August [    •    ], 2008 (the "Trust Agreement"),
among the Guarantor, as Depositor, the Property Trustee and the Delaware Trustee named therein, the Administrative Trustees named therein and the Holders from time to time of undivided beneficial
interests in the assets of the Issuer, the Issuer is issuing $[                        ] aggregate Liquidation Amount (as defined
in the Trust Agreement) of its
[    •    ]% Capital Securities, Series I, Liquidation Amount $25 per capital security (together with any other capital securities issued
pursuant to the Trust Agreement, the "Capital Securities"), representing preferred undivided beneficial interests in the assets of the Issuer and having the terms set forth in the Trust Agreement; 

        WHEREAS,
the Capital Securities will be issued by the Issuer and the proceeds thereof, together with the proceeds from the issuance of the Issuer's Common Securities, will be used to
purchase the Debentures (as defined in the Trust Agreement) of the Guarantor which will be deposited with Wilmington Trust Company, as Property Trustee under the Trust Agreement, as trust assets; and 

        WHEREAS,
as incentive for the Holders to purchase Securities the Guarantor desires irrevocably and unconditionally to agree, to the extent set forth herein, to pay to the Holders of the
Securities the Guarantee Payments (as defined herein) and to make certain other payments on the terms and conditions set forth herein. 

        NOW,
THEREFORE, in consideration of the purchase by each Holder of Securities, which purchase the Guarantor hereby agrees shall benefit the Guarantor, the Guarantor executes and delivers
this Guarantee Agreement for the benefit of the Holders from time to time of the Securities. 

 ARTICLE I.  

 DEFINITIONS  

        Section 1.1.    Definitions.    

        As
used in this Guarantee Agreement, the terms set forth below shall, unless the context otherwise requires, have the following meanings. Capitalized or otherwise defined terms used but
not otherwise defined herein shall have the meanings assigned to such terms in the Trust Agreement as in effect on the date hereof. 

        "Affiliate" of any specified Person means any other Person directly or indirectly controlling or controlled by or under direct or indirect
common control with such specified Person; provided, however, that an Affiliate of the Guarantor shall
not be deemed to be an Affiliate of the Issuer. For the purposes of this definition, "control" when used with respect to any specified Person means the
power to direct the management and policies of such Person, directly or indirectly, whether through the ownership of voting securities, by contract or otherwise; and the terms
"controlling" and "controlled" have meanings correlative to the foregoing. 

        "Board of Directors" means either the board of directors of the Guarantor or any committee of that board duly authorized to act hereunder
or any directors or officers of the Guarantor to whom such board of directors or such committee shall have duly delegated its authority. 

        "Common Securities" means the securities representing common undivided beneficial interests in the assets of the Issuer. 

 

        "Event of Default" means a default by the Guarantor on any of its payment or other obligations under this Guarantee Agreement;  provided, however, that, except with
respect to a default in payment of any Guarantee Payments, the Guarantor shall have received notice of default and
shall not have cured such default within 90 days after receipt of such notice. 

        "Guarantee Payments" means the following payments or distributions, without duplication, with respect to the Securities, to the extent not
paid or made by or on behalf of the Issuer: (i) any accumulated and unpaid Distributions (as defined in the Trust Agreement) required to be paid on the Securities, to the extent the Issuer
shall have funds on hand available therefor at such time, (ii) the redemption price, including all accrued and unpaid Distributions to the date of redemption (the "Redemption Price"), with
respect to any Securities called for redemption by the Issuer, to the extent the Issuer shall have funds on hand available therefor at such time and (iii) upon a voluntary or involuntary
termination, winding up or liquidation of the Issuer, unless Debentures are distributed to the Holders, the lesser of (a) the aggregate of the Liquidation Amount plus accrued and unpaid
Distributions to the date of payment and (b) the amount of assets of the Issuer remaining available for distribution to Holders in liquidation of the Issuer after satisfaction of liabilities to
creditors of the Issuer as required by applicable law (in either case, the "Liquidation Distribution"). 

        "Guarantee Trustee" means Wilmington Trust Company, until a Successor Guarantee Trustee has been appointed and has accepted such
appointment pursuant to the terms of this Guarantee Agreement, and thereafter means each such Successor Guarantee Trustee. 

        "Holder" means any holder, as registered on the books and records of the Issuer, of any Securities;  provided, however,
that in determining whether the holders of the requisite percentage of Securities
have given any request, notice, consent or waiver hereunder, "Holder" shall not include the Guarantor, the Guarantee Trustee, or any Affiliate of the Guarantor or the Guarantee Trustee. 

        "Indenture" means the Indenture, dated as of August [    ], 2008, between the Guarantor and
Wilmington Trust Company, as trustee, as amended or supplemented from time to time. 

        "List of Holders" has the meaning specified in Section 2.2(a). 

        "Majority in aggregate Liquidation Amount of the Securities" means, except as provided by the Trust Indenture Act, a vote by the
Holder(s), voting separately as a class, of more than 50% of the aggregate Liquidation Amount of all then outstanding Securities issued by the Issuer. 

        "Officers' Certificate" means a certificate signed by any two of the following: Chairman of the Board, the Chief Executive Officer, the
President, any Vice Chairman of the Board, the Chief Financial Officer, any Vice President, the Treasurer, the Secretary, the Controller, any Assistant Controller, any Assistant Treasurer or any
Assistant Secretary of the Company (as each term is used in the Indenture). Any Officers' Certificate delivered with respect to compliance with a condition or covenant provided for in this Guarantee
Agreement shall include: 

        (a)   a
statement that each individual signing such Officers' Certificate has read such covenant or condition and the definitions herein relating thereto; 

        (b)   a
brief statement of the nature and scope of the examination or investigation upon which the statements or opinions contained in such Officers' Certificate are based; 

        (c)   a
statement that, in the opinion of each individual signing the Officer's Certificate, he has made such examination or investigation as is necessary to enable him to
express an informed opinion as to whether or not such covenant or condition has been complied with; and 

        (d)   a
statement as to whether, in the opinion of each individual signing the Officers' Certificate, such condition or covenant has been complied with. 

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        "Person" means a legal person, including any individual, corporation, estate, partnership, joint venture, association, joint stock
company, limited liability company, trust, unincorporated association, or government or any agency or political subdivision thereof, or any other entity of whatever nature. 

        "Responsible Officer" when used with respect to the Guarantee Trustee means any officer of the Guarantee Trustee assigned by the Guarantee
Trustee from time to time to administer its corporate trust matters. 

        "Successor Guarantee Trustee" means a successor Guarantee Trustee possessing the qualifications to act as Guarantee Trustee under
Section 4.1. 

        "Trust Indenture Act" means the Trust Indenture Act of 1939, as amended. 

 ARTICLE II.  

 TRUST INDENTURE ACT  

        Section 2.1.    Trust Indenture Act; Application.    

        (a)   This
Guarantee Agreement is subject to the provisions of the Trust Indenture Act that are required to be part of this Guarantee Agreement and shall, to the extent
applicable, be governed by such provisions. 

        (b)   If
and to the extent that any provision of this Guarantee Agreement limits, qualifies or conflicts with the duties imposed by Sections 310 to 317, inclusive, of
the Trust Indenture Act, such imposed duties shall control. 

        Section 2.2.    List of Holders.    

        (a)   The
Guarantor will furnish or cause to be furnished to the Guarantee Trustee: 

          (i)  semi-annually,
not more than 15 days after January 15 and July 15 in each year, a list, in such form as the Guarantee Trustee may
reasonably require, of the names and addresses of the Holders as of such January 1 and July 1, and 

         (ii)  at
such other times as the Guarantee Trustee may request in writing, within 30 days after the receipt by the Guarantor of any such request, a list of similar
form and content as of a date not more than 15 days prior to the time such list is furnished, excluding from any such list names and addresses received by the Guarantee Trustee in its capacity
as Securities Registrar. 

        (b)   The
Guarantee Trustee shall comply with its obligations under Section 311(a), Section 311(b) and Section 312(b) of the Trust Indenture Act. 

        Section 2.3.    Reports by the Guarantee Trustee.    

        The
Guarantee Trustee shall transmit to Holders such reports concerning the Guarantee Trustee and its actions under this Guarantee Agreement as may be required pursuant to the Trust
Indenture Act at the times and in the manner provided pursuant thereto. If required by Section 313(a) of the Trust Indenture Act, the Guarantee Trustee shall, within sixty days after each
May 15 following the date of this Guarantee Agreement deliver to Holders a brief report, dated as of such May 15, which complies with the provisions of such Section 313(a). 

        Section 2.4.    Periodic Reports to the Guarantee Trustee.    

        The
Guarantor shall provide to the Guarantee Trustee, the Securities and Exchange Commission and the Holders such documents, reports and information, if any, as required by
Section 314 of the Trust Indenture Act and the compliance certificate required by Section 314 of the Trust Indenture Act, in the form, in the manner and at the times required by
Section 314 of the Trust Indenture Act. Delivery of such reports, information and documents to the Guarantee Trustee is for informational 

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purposes
only and the Guarantee Trustee's receipt of such shall not constitute constructive notice of any information contained therein, including the Guarantor's compliance with any of its covenants
hereunder (as to which the Guarantee Trustee is entitled to rely exclusively on Officers' Certificates). 

        Section 2.5.    Evidence of Compliance with Conditions Precedent.    

        The
Guarantor shall provide to the Guarantee Trustee such evidence of compliance with such conditions precedent, if any, provided for in this Guarantee Agreement that relate to any of
the matters set forth in Section 314(c) of the Trust Indenture Act. Any certificate or opinion required to be given by an officer pursuant to Section 314(c)(1) may be given in the form
of an Officers' Certificate. 

        Section 2.6.    Events of Default; Waiver.    

        The
Holders of a Majority in aggregate Liquidation Amount of the Securities may, by vote, on behalf of the Holders, waive any past Event of Default and its consequences. Upon such
waiver, any such Event of Default shall cease to exist, and any Event of Default arising therefrom shall be deemed to have been cured, for every purpose of this Guarantee Agreement, but no such waiver
shall extend to any subsequent or other default or Event of Default or impair any right consequent therefrom. 

        Section 2.7.    Event of Default; Notice.    

        (a)   The
Guarantee Trustee shall, within 90 days after the occurrence of an Event of Default, transmit by mail, first class postage prepaid, to the Holders, notices of
all Events of Default actually known to the Guarantee Trustee, unless such defaults have been cured before the giving of such notice, provided, that, except in the case of a default in the payment of
a Guarantee Payment, the Guarantee Trustee shall be protected in withholding such notice if and so long as the Board of Directors, the executive committee or a trust committee of directors and/or
Responsible Officers of the Guarantee Trustee in good faith determines that the withholding of such notice is in the interests of the Holders. 

        (b)   The
Guarantee Trustee shall not be deemed to have knowledge of any Event of Default unless the Guarantee Trustee shall have received written notice, or a Responsible
Officer charged with the administration of this Guarantee Agreement shall have obtained written notice, of such Event of Default. 

        Section 2.8.    Conflicting Interests.    

        The
Trust Agreement shall be deemed to be specifically described in this Guarantee Agreement for the purposes of clause (i) of the first proviso contained in Section 310(b)
of the Trust Indenture Act. 

 ARTICLE III.  

 POWERS, DUTIES AND RIGHTS OF THE GUARANTEE TRUSTEE  

        Section 3.1.    Powers and Duties of the Guarantee Trustee.    

        (a)   This
Guarantee Agreement shall be held by the Guarantee Trustee for the benefit of the Holders, and the Guarantee Trustee shall not transfer this Guarantee Agreement to
any Person except a Holder exercising his or her rights pursuant to Section 5.4(iv) or to a Successor Guarantee Trustee on acceptance by such Successor Guarantee Trustee of its appointment to
act as Successor Guarantee Trustee. The right, title and interest of the Guarantee Trustee shall automatically vest in any Successor Guarantee Trustee, upon acceptance by such Successor Guarantee
Trustee of its appointment hereunder, and such vesting and cessation of title shall be effective whether or not conveyancing documents have been executed and delivered pursuant to the appointment of
such Successor Guarantee Trustee. 

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        (b)   If
an Event of Default has occurred and is continuing, the Guarantee Trustee shall enforce this Guarantee Agreement for the benefit of the Holders. 

        (c)   The
Guarantee Trustee, before the occurrence of any Event of Default and after the curing of all Events of Default that may have occurred, shall undertake to perform
only such duties as are specifically set forth in this Guarantee Agreement, and no implied covenants shall be read into this Guarantee Agreement against the Guarantee Trustee. In case an Event of
Default has occurred (that has not been cured or waived pursuant to Section 2.6), the Guarantee Trustee shall exercise such of the rights and powers vested in it by this Guarantee Agreement,
and use the same degree of care and skill in its exercise thereof, as a prudent person would exercise or use under the circumstances in the conduct of his or her own affairs. 

        (d)   No
provision of this Guarantee Agreement shall be construed to relieve the Guarantee Trustee from liability for its own negligent action, its own negligent failure to
act or its own willful misconduct, except that: 

          (i)  prior
to the occurrence of any Event of Default and after the curing or waiving of all such Events of Default that may have occurred: 

	(A)
	the
duties and obligations of the Guarantee Trustee shall be determined solely by the express provisions of this Guarantee Agreement, and the Guarantee
Trustee shall not be liable except for the performance of such duties and obligations as are specifically set forth in this Guarantee Agreement; and

	(B)
	in
the absence of bad faith on the part of the Guarantee Trustee, the Guarantee Trustee may conclusively rely, as to the truth of the statements and the
correctness of the opinions expressed therein, upon any certificates or opinions furnished to the Guarantee Trustee and conforming to the requirements of this Guarantee Agreement; but in the case of
any such certificates or opinions that by any provision hereof or of the Trust Indenture Act are specifically required to be furnished to the Guarantee Trustee, the Guarantee Trustee shall be under a
duty to examine the same to determine whether or not they conform to the requirements of this Guarantee Agreement; 

         (ii)  the
Guarantee Trustee shall not be liable for any error of judgment made in good faith by a Responsible Officer of the Guarantee Trustee, unless it shall be proved that
the Guarantee Trustee was negligent in ascertaining the pertinent facts upon which such judgment was made; 

        (iii)  the
Guarantee Trustee shall not be liable with respect to any action taken or omitted to be taken by it in good faith in accordance with the direction of the Holders
of not less than a Majority in aggregate Liquidation Amount of the Securities relating to the time, method and place of conducting any proceeding for any remedy available to the Guarantee Trustee, or
exercising any trust or power conferred upon the Guarantee Trustee under this Guarantee Agreement; and 

        (iv)  no
provision of this Guarantee Agreement shall require the Guarantee Trustee to expend or risk its own funds or otherwise incur personal financial liability in the
performance of any of its duties or in the exercise of any of its rights or powers, if the Guarantee Trustee shall have reasonable grounds for believing that the repayment of such funds or liability
is not reasonably assured to it under the terms of this Guarantee Agreement or adequate indemnity against such risk or liability is not reasonably assured to it. 

        Section 3.2.    Certain Rights of Guarantee Trustee.    

        (a)   Subject
to the provisions of Section 3.1: 

          (i)  The
Guarantee Trustee may rely and shall be fully protected in acting or refraining from acting upon any resolution, certificate, statement, instrument, opinion,
report, notice, request, 

5

 

direction,
consent, order, bond, debenture, note, other evidence of indebtedness or other paper or document reasonably believed by it to be genuine and to have been signed, sent or presented by the
proper party or parties. 

         (ii)  Any
direction or act of the Guarantor contemplated by this Guarantee Agreement shall be sufficiently evidenced by an Officers' Certificate unless otherwise prescribed
herein. 

        (iii)  Whenever,
in the administration of this Guarantee Agreement, the Guarantee Trustee shall deem it desirable that a matter be proved or established before taking,
suffering or omitting to take any action hereunder, the Guarantee Trustee (unless other evidence is herein specifically prescribed) may, in the absence of bad faith on its part, request and rely upon
an Officers' Certificate which, upon receipt of such request from the Guarantee Trustee, shall be promptly delivered by the Guarantor. 

        (iv)  The
Guarantee Trustee may consult with legal counsel of its selection, and the advice or opinion of such legal counsel with respect to legal matters shall be full and
complete authorization and protection in respect of any action taken, suffered or omitted to be taken by it hereunder in good faith and in accordance with such advice or opinion. Such legal counsel
may be legal counsel to the Guarantor or any of its Affiliates and may be one of its employees. The Guarantee Trustee shall have the right at any time to seek instructions concerning the
administration of this Guarantee Agreement from any court of competent jurisdiction. 

         (v)  The
Guarantee Trustee shall be under no obligation to exercise any of the rights or powers vested in it by this Guarantee Agreement at the request or direction of any
Holder, unless such Holder shall have provided to the Guarantee Trustee such adequate security and indemnity as would satisfy a reasonable person in the position of the Guarantee Trustee, against the
costs, expenses (including attorneys' fees and expenses) and liabilities that might be incurred by it in complying with such request or direction, including such reasonable advances as may be
requested by the Guarantee Trustee; provided that nothing contained in this Section 3.2(a)(v) shall be taken to relieve the Guarantee Trustee,
upon the occurrence of an Event of Default, of its obligation to exercise the rights and powers vested in it by this Guarantee Agreement. 

        (vi)  The
Guarantee Trustee shall not be bound to make any investigation into the facts or matters stated in any resolution, certificate, statement, instrument, opinion,
report, notice, request, direction, consent, order, bond, debenture, note, other evidence of indebtedness or other paper or document, but the Guarantee Trustee, in its discretion, may make such
further inquiry or investigation into such facts or matters as it may see fit. 

       (vii)  The
Guarantee Trustee may execute any of the trusts or powers hereunder or perform any duties hereunder either directly or by or through its agents or attorneys, and
the Guarantee Trustee shall not be responsible for any misconduct or negligence on the part of any such agent or attorney appointed with due care by it hereunder. 

      (viii)  Whenever
in the administration of this Guarantee Agreement the Guarantee Trustee shall deem it desirable to receive written instructions with respect to enforcing any
remedy or right or taking any other action hereunder, the Guarantee Trustee (A) may request instructions from the Holders, (B) may refrain from enforcing such remedy or right or taking
such other action until such written instructions are received, and (C) shall be protected in acting in accordance with such written instructions. 

        (ix)  The
Guarantee Trustee shall not be liable for any action taken, suffered, or omitted to be taken by it in good faith and reasonably believed by it to be authorized or
within the discretion or rights or powers conferred upon it by this Guarantee Agreement. 

6

 

  
        (b)   No provision of this Guarantee Agreement shall be deemed to impose any duty or obligation on the Guarantee Trustee to perform any act or acts or exercise any right,
power, duty or obligation conferred or imposed on it in any jurisdiction in which it shall be illegal, or in which the Guarantee Trustee shall be unqualified or incompetent in accordance with
applicable law, to perform any such act or acts or to exercise any such right, power, duty or obligation. No permissive power or authority available to the Guarantee Trustee shall be construed to be a
duty to act in accordance with such power and authority. 

        Section 3.3.    Indemnity.    

        The
Guarantor agrees to indemnify the Guarantee Trustee for, and to hold it harmless against, any loss, liability or expense incurred without negligence or bad faith on the part of the
Guarantee Trustee, arising out of or in connection with the acceptance or administration of this Guarantee Agreement, including the costs and expenses of defending itself against any claim or
liability in connection with the exercise or performance of any of its powers or duties hereunder. 

 ARTICLE IV.  

 GUARANTEE TRUSTEE  

        Section 4.1.    Guarantee Trustee: Eligibility.    

        (a)   There
shall at all times be a Guarantee Trustee which shall: 

          (i)  not
be an Affiliate of the Guarantor; and 

         (ii)  be
a Person that is eligible pursuant to the Trust Indenture Act to act as such and have a combined capital and surplus of at least $50,000,000, and shall be a
corporation meeting the requirements of Section 310(a) of the Trust Indenture Act. If such corporation publishes reports of condition at least annually, pursuant to law or to the requirements
of the supervising or examining authority, then, for the purposes of this Section and to the extent permitted by the Trust Indenture Act, the combined capital and surplus of such corporation shall be
deemed to be its combined capital and surplus as set forth in its most recent report of condition so published. 

        (b)   If
at any time the Guarantee Trustee shall cease to be eligible to so act under Section 4.1(a), the Guarantee Trustee shall immediately resign in the manner and
with the effect set out in Section 4.2(c). 

        (c)   If
the Guarantee Trustee has or shall acquire any "conflicting interest" within the meaning of Section 310(b) of the Trust Indenture Act, the Guarantee Trustee
and Guarantor shall in all respects comply with the provisions of Section 310(b) of the Trust Indenture Act. 

        Section 4.2.    Appointment, Removal and Resignation of the Guarantee Trustee.    

        (a)   Subject
to Section 4.2(b), the Guarantee Trustee may be appointed or removed without cause at any time by the Guarantor. 

        (b)   The
Guarantee Trustee shall not be removed until a Successor Guarantee Trustee has been appointed and has accepted such appointment by written instrument executed by
such Successor Guarantee Trustee and delivered to the Guarantor. If an instrument of acceptance by a Successor Guarantee Trustee shall not have been delivered to the Guarantee Trustee within
30 days after such removal, the Guarantee Trustee being removed may petition any court of competent jurisdiction for the appointment of a Successor Guarantee Trustee. 

        (c)   The
Guarantee Trustee appointed hereunder shall hold office until a Successor Guarantee Trustee shall have been appointed or until its removal or resignation. The
Guarantee Trustee may resign from office (without need for prior or subsequent accounting) by an instrument in writing 

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executed
by the Guarantee Trustee and delivered to the Guarantor, which resignation shall not take effect until a Successor Guarantee Trustee has been appointed and has accepted such appointment by
instrument in writing executed by such Successor Guarantee Trustee and delivered to the Guarantor and the resigning Guarantee Trustee. 

        (d)   If
no Successor Guarantee Trustee shall have been appointed and accepted appointment as provided in this Section 4.2 within 60 days after delivery to the
Guarantor of an instrument of resignation, the resigning Guarantee Trustee may petition, at the expense of the Guarantor, any court of competent jurisdiction for appointment of a Successor Guarantee
Trustee. Such court may thereupon, after prescribing such notice, if any, as it may deem proper, appoint a Successor Guarantee Trustee. 

 ARTICLE V.  

 GUARANTEE  

        Section 5.1.    Guarantee.    

        The
Guarantor irrevocably and unconditionally agrees to pay in full to the Holders the Guarantee Payments (without duplication of amounts theretofore paid by or on behalf of the Issuer),
as and when due, regardless of any defense, right of set-off or counterclaim which the Issuer may have or assert. The Guarantor's obligation to make a Guarantee Payment may be satisfied by
direct payment of the required amounts by the Guarantor to the Holders or by causing the Issuer to pay such amounts to the Holders. 

        Section 5.2.    Waiver of Notice and Demand.    

        The
Guarantor hereby waives notice of acceptance of the Guarantee Agreement and of any liability to which it applies or may apply, presentment, demand for payment, any right to require a
proceeding
first against the Guarantee Trustee, Issuer or any other Person before proceeding against the Guarantor, protest, notice of nonpayment, notice of dishonor, notice of redemption and all other notices
and demands. 

        Section 5.3.    Obligations Not Affected.    

        The
obligations, covenants, agreements and duties of the Guarantor under this Guarantee Agreement shall in no way be affected or impaired by reason of the happening from time to time of
any of the following: 

        (a)   the
release or waiver, by operation of law or otherwise, of the performance or observance by the Issuer of any express or implied agreement, covenant, term or condition
relating to the Securities to be performed or observed by the Issuer; 

        (b)   the
extension of time for the payment by the Issuer of all or any portion of the Distributions (other than an extension of time for payment of Distributions that results
from the extension of any interest payment period on the Debentures as provided in the Indenture), Redemption Price, Liquidation Distribution or any other sums payable under the terms of the
Securities or the extension of time for the performance of any other obligation under, arising out of, or in connection with, the Securities; 

        (c)   any
failure, omission, delay or lack of diligence on the part of the Holders to enforce, assert or exercise any right, privilege, power or remedy conferred on the
Holders pursuant to the terms of the Securities, or any action on the part of the Issuer granting indulgence or extension of any kind; 

        (d)   the
voluntary or involuntary liquidation, dissolution, sale of any collateral, receivership, insolvency, bankruptcy, assignment for the benefit of creditors,
reorganization, arrangement, 

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composition
or readjustment of debt of, or other similar proceedings affecting, the Issuer or any of the assets of the Issuer; 

        (e)   any
invalidity of, or defect or deficiency in, the Securities; 

        (f)    the
settlement or compromise of any obligation guaranteed hereby or hereby incurred; or 

        (g)   any
other circumstance whatsoever that might otherwise constitute a legal or equitable discharge or defense of a guarantor, it being the intent of this
Section 5.3 that the obligations of the Guarantor hereunder shall be absolute and unconditional under any and all circumstances. 

        There
shall be no obligation of the Holders to give notice to, or obtain the consent of, the Guarantor with respect to the happening of any of the foregoing. 

        Section 5.4.    Rights of Holders.    

        The
Guarantor expressly acknowledges that: (i) this Guarantee Agreement will be deposited with the Guarantee Trustee to be held for the benefit of the Holders; (ii) the
Guarantee Trustee has the right to enforce this Guarantee Agreement on behalf of the Holders; (iii) the Holders of a Majority in aggregate Liquidation Amount of the Securities have the right to
direct the time, method and place of conducting any proceeding for any remedy available to the Guarantee Trustee in respect of this Guarantee Agreement or exercising any trust or power conferred upon
the Guarantee Trustee under this Guarantee Agreement; and (iv) any Holder may institute a legal proceeding directly against the Guarantor to enforce its rights under this Guarantee Agreement,
without first instituting a legal proceeding against the Guarantee Trustee, the Issuer or any other Person. 

        Section 5.5.    Guarantee of Payment    

        This
Guarantee Agreement creates a guarantee of payment and not of collection. This Guarantee Agreement will not be discharged except by payment of the Guarantee Payments in full
(without duplication of amounts theretofore paid by the Issuer) or upon distribution of Debentures to Holders as provided in the Trust Agreement. 

        Section 5.6.    Subrogation.    

        The
Guarantor shall be subrogated to all (if any) rights of the Holders against the Issuer in respect of any amounts paid to the Holders by the Guarantor under this Guarantee Agreement
and shall have the right to waive payment by the Issuer pursuant to Section 5.1; provided,  however, that the Guarantor shall not (except to the extent
required by mandatory provisions of law) be entitled to enforce or exercise any rights which
it may acquire by way of subrogation or any indemnity, reimbursement or other agreement, in all cases as a result of payment under this Guarantee Agreement, if, at the time of any such payment, any
amounts are due and unpaid under this Guarantee Agreement. If any amount shall be paid to the Guarantor in violation of the preceding sentence, the Guarantor agrees to hold such amount in trust for
the Holders and to pay over such amount to the Holders. 

        Section 5.7.    Independent Obligations.    

        The
Guarantor acknowledges that its obligations hereunder are independent of the obligations of the Issuer with respect to the Securities and that the Guarantor shall be liable as
principal and as debtor hereunder to make Guarantee Payments pursuant to the terms of this Guarantee Agreement notwithstanding the occurrence of any event referred to in subsections (a) through
(g), inclusive, of Section 5.3 hereof. 

9

 
 ARTICLE VI.  

 SUBORDINATION  

        Section 6.1.    Subordination.    

        The
obligations of the Guarantor under this Guarantee Agreement will constitute unsecured obligations of the Guarantor and will rank subordinate and junior in right of payment to all
Senior Indebtedness (as defined in the Indenture with respect to the series of Debentures issued thereunder in respect of the Capital Securities) of the Guarantor, except those made  pari passu or
subordinate to such obligations expressly by their terms in the same manner as set forth in Article XIV of the Indenture. 

        Section 6.2.    Subordination of Common Securities.    

        If
a Debenture Event of Default (as defined in the Trust Agreement) has occurred and is continuing, the rights of the Holders of the Common Securities to receive Guarantee Payments under
this Guarantee shall be subordinated to the rights of the Holders of the Capital Securities to receive Guarantee Payments under this Guarantee. 

 ARTICLE VII.  

 TERMINATION  

        Section 7.1.    Termination.    

        This
Guarantee Agreement shall terminate and be of no further force and effect upon (i) full payment of the Redemption Price of all Securities, (ii) the distribution of
Debentures to the Holders in exchange for all of the Securities or (iii) full payment of the amounts payable in accordance with the Trust Agreement upon liquidation of the Issuer.
Notwithstanding the foregoing, this Guarantee Agreement will continue to be effective or will be reinstated, as the case may be, if at any time any Holder must restore payment of any sums paid with
respect to Securities or this Guarantee Agreement. 

 ARTICLE VIII.  

 MISCELLANEOUS  

        Section 8.1.    Successors and Assigns.    

        All
guarantees and agreements contained in this Guarantee Agreement shall bind the successors, assigns, receivers, trustees and representatives of the Guarantor and shall inure to the
benefit of the Holders of the Securities then outstanding. Except in connection with a consolidation, merger, conveyance or transfer involving the Guarantor that is permitted under Article X of
the Indenture and pursuant to which the successor or assignee agrees in writing to perform the Guarantor's obligations hereunder, the Guarantor shall not assign its obligations hereunder. 

        Section 8.2.    Amendments.    

        Except
with respect to any changes which do not adversely affect the rights of the Holders or the Guarantee Trustee in any material respect (in which case no consent of the Holders or
the Guarantee Trustee, as the case may be, will be required), this Guarantee Agreement may only be amended with the prior approval of the Holders of not less than a Majority in aggregate Liquidation
Amount of all the outstanding Securities and of the Guarantee Trustee. The provisions of Article VI of the Trust Agreement concerning meetings of the Holders shall apply to the giving of such
approval. 

10

 

        Section 8.3.    Notices.    

        Any
notice, request or other communication required or permitted to be given hereunder shall be in writing, duly signed by the party giving such notice, and delivered, telecopied or
mailed by first class mail as follows: 

        (a)   if
given to the Guarantor, to the address set forth below or such other address, facsimile number or to the attention of such other Person as the Guarantor may give
notice to the Holders: 

TCF
Financial Corporation

200 Lake Street East

Wayzata, Minnesota 55391-1693 

Facsimile
No.: [    •    ]

Attention: [    •    ], 

        (b)   if
given to the Issuer, in care of the Guarantee Trustee, at the Issuer's (and the Guarantee Trustee's) address set forth below or such other address as the Guarantee
Trustee on behalf of the Issuer may give notice to the Holders: 

TCF
Capital I

c/o TCF Financial Corporation

200 Lake Street East

Wayzata, Minnesota 55391-1693

Facsimile No.: (952) 475-7975

Attention: General Counsel

with
a copy to: 

Wilmington
Trust Company

Rodney Square North

1100 North Market Street

Wilmington, Delaware 19890-1600 

Facsimile
No.: (302) 636-4140

Attention: Corporate Trust Administration 

        (c)   if
given to any Holder, at the address set forth on the books and records of the Issuer. 

        All
notices hereunder shall be deemed to have been given when received in person, telecopied with receipt confirmed, or mailed by first class mail, postage prepaid, except that if a
notice or other document is refused delivery or cannot be delivered because of a changed address of which no notice was given, such notice or other document shall be deemed to have been delivered on
the date of such refusal or inability to deliver. 

        Section 8.4.    Benefit.    

        This
Guarantee Agreement is solely for the benefit of the Holders and is not separately transferable from the Securities. 

        Section 8.5.    Interpretation.    

        In
this Guarantee Agreement, unless the context otherwise requires: 

        (a)   capitalized
terms used in this Guarantee Agreement but not defined in the preamble hereto have the respective meanings assigned to them in Section 1.1, and
capitalized or otherwise defined terms used in this Guarantee Agreement but not otherwise defined herein have the respective meanings assigned to them in the Trust Agreement as in effect on the date
hereof; 

        (b)   a
term defined anywhere in this Guarantee Agreement has the same meaning throughout; 

11

 

        (c)   all
references to "the Guarantee Agreement" or "this Guarantee Agreement" are to this Guarantee Agreement as modified, supplemented or amended from time to time; 

        (d)   all
references in this Guarantee Agreement to Articles and Sections are to Articles and Sections of this Guarantee Agreement unless otherwise specified; 

        (e)   a
term defined in the Trust Indenture Act has the same meaning when used in this Guarantee Agreement unless otherwise defined in this Guarantee Agreement or unless the
context otherwise requires; 

        (f)    a
reference to the singular includes the plural and vice versa; and 

        (g)   the
masculine, feminine or neuter genders used herein shall include the masculine, feminine and neuter genders. 

        Section 8.6.    Governing Law.    

        THIS
GUARANTEE AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED AND INTERPRETED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. 

        Section 8.7.    Counterparts    

        This
instrument may be executed in any number of counterparts, each of which so executed shall be deemed to be an original, but all such counterparts shall together constitute but one
and the same instrument. 

12

        This
GUARANTEE AGREEMENT is executed as of the day and year first above written. 

							
	 	 	TCF FINANCIAL CORPORATION
	

 	
 	

By:	
 	

     

	 	 	 	 	Name:	 	James S. Broucek
	 	 	 	 	Title:	 	Senior Vice President and Treasurer
	

 	
 	

WILMINGTON TRUST COMPANY,

as Guarantee Trustee
	

 	
 	

By:	
 	

      

	 	 	 	 	Name:	 	 
	 	 	 	 	Title:	 	 

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Exhibit 4.6QuickLinks
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  Exhibit 10.43    
    

  

 
 

  IMPLEMENTATION/SUPPORT AGREEMENT    
    

        Whereas Obagi Medical Products, Inc. (Obagi) desires to obtain software implementation and/or support, defined herein to include
some or all of the following, but not limited to: design, implementing, documentation, development, interfacing, phone support, upgrades, data conversions, Electronic Data Interchange, training on
Microsoft Business Solutions® Navision software; and whereas, Specialists in Custom Software, Inc., hereinafter referred to as "SCS,"
is a provider of such implementation/support and is a fully licensed and certified Microsoft Business Solution Center, it is hereby Obagi: 

1.0    SOFTWARE/SUPPORT—SCS will provide software implementation and support to Obagi as detailed in Exhibit A. It is
understood and that software implementation/support may include: design, analysis, coding, implementation, data conversion, configuration, installation, documentation, debugging, training and phone
support. Hours provided in Exhibit A or software quotations are only estimates. 

2.0    TERM—The term of this agreement shall be one (1) year from the date this agreement is signed by both parties. Obagi
shall have the right to terminate this agreement, at no fault to either party, with a two-week written notice; such notice sent by certified mail. 

3.0    PERFORMANCE—SCS will provide to Obagi timely support for maintenance, training, phone support, implementation, design,
debugging and installations. No work will be performed by SCS outside the Design document unless separately approved in a signed Work Order by Obagi. SCS provides live support via its Help Desk where
there is normally no queue or wait or voice mail. At no time will SCS's response time to a support request from Obagi exceed one hour; and, in an emergency situation, as defined by Obagi, SCS's
response will not exceed one hour. Personalizations, configurations and modifications will be provided to Obagi on an as-needed basis and in a timely fashion based on approved Design
and/or Work Orders. 

3.1    Designs
and modifications must be first separately approved by Obagi and signed as a completed Design document or a Work Order Request. Once signed, Work Order Requests become part of
this agreement and subject to its terms and conditions thereof. 

3.2    RESPONSIBILITIES AGREEMENT

 SCS Services and Responsibilities  

	•
	SCS will install the purchased Microsoft Business Solutions® Navision software and provide the corresponding
services. 

SCS
will provide implementation and project management assistance for the installation and configuration of Microsoft Business Solutions® Navision software. The overall scope of the
project is to provide a live and functioning system, operating on a day-to-day basis with transactions being processed by Obagi personnel. . Based on SCS's best estimate, the
parties have mutually agreed to the scope of work and number of hours for completion of the deliverables as set forth in Exhibit C to this agreement and incorporated herein by reference. Based
on Exhibit C, SCS shall conduct an initial design phase of a maximum of 150 hours ("Design") followed by an implementation phase ("Implementation"). Once Design is completed, SCS shall
provide a final schedule and time estimate for the Implementation ("Final Schedule") that shall not exceed the terms set forth in 

1

 

Exhibit C
by more than 10%. If the Final Schedule varies from Exhibit C by more than 10%, the parties agree to use good faith efforts to resolve any fee or cost issue in the Final
Schedule. If despite the good faith efforts, the parties have not agreed to a mutually agreeable resolution, either party may immediately terminate this agreement upon written notice. If neither party
terminates prior to the Implementation, the Final Schedule will be locked and fixed, and shall be approved in writing by the parties. 

	•
	SCS will make every reasonable effort to complete the services according to the time schedule mutually agreed to by both
parties. SCS understands and agrees that providing deliverables and milestones including implementation and support on agreed upon timetables between SCS and Obagi is of key importance. In the event
SCS becomes aware, or is informed by Obagi, that an implementation or support deliverable or milestone is in jeopardy of falling short of an agreed upon timetable, SCS will immediately inform Obagi
and provide a proposed plan to remedy. Any cost or time incurred by SCS to develop and propose such remedy will not be charged to Obagi. Obagi realizes that potential events beyond SCS's control may
cause delays in implementing these services. Additionally, changes to the scope of services above and beyond the work described may cause further delays in project completion. All work will be
completed on a best effort basis. 

 Obagi Responsibilities  

The
success of the project will greatly depend on Obagi's level of involvement. Some of the responsibilities expected to be performed by Obagi include:

	•
	Provide management support for the required resources and priorities to complete the project in a timely manner

 
	•
	Appoint an Obagi project manager, even if this is only a part-time duty.

 
	•
	Given the necessary framework and guidance from SCS, Obagi will take commercially reasonable efforts to assist in the
design, compilation, review and final approval of design and enhancement specifications. Delays on the review of designs by Obagi can add considerable time to implementation schedules.

 
	•
	Verify proper internal controls are in place considering changes in process and software/hardware requirements

 
	•
	Ensure proper enterprise level system security with assistance from SCS 

 
	•
	After initial implementation by
SCS, Obagi will develop and train any additional, new Obagi staff on new processes and
procedures, as needed. Obagi may request SCS to provide additional training. 

 
	•
	Establish and maintain a stable technical infrastructure capable of running Navision

 
	•
	Provide reasonable access to staff and management during normal business hours

 
	•
	Prepare test scripts under the direction and guidance from SCS 

 
	•
	After SCS's internal testing, Obagi will
assist SCS, by testing system and validating performance from the user
perspective 

 
	•
	Secure ongoing support and Navision software maintenance at the completion of the project from SCS, or provided it does
not violate any other terms of this agreement, another certified Microsoft Business Solutions' Navision partner. The lack of follow-up and ongoing support for the software can impact its
efficiency. 

 
	•
	Manage Obagi staff on a daily basis and supervise the operation of the system 

2

 

	•
	Complete assigned portions of the work plan 

Failure
to fulfill these responsibilities in a timely manner may impair our ability to provide service. 

4.0    COMPENSATION—Obagi will pay SCS per attached Exhibits A and B. Exhibit B is a Help Desk option which does not
have to be selected by Obagi until after live on Navision. 

4.1    Services
and support time will be billed at normal support rates. Itemized invoices for software implementation and support will be provided by SCS to Obagi every week. Invoices will
detail what exactly has been consumed in hours as well as any additional work orders and time incurred outside the original implementation design plan. Invoices are due on a thirty-day net
basis or as
otherwise agreed by Obagi. Obagi may purchase blocks of 100 hours in advance, at the reduced rate per Exhibit A, Plan B. Advance blocks of hours purchased are non-refundable.
SCS's weekly invoices will detail implementation/support hours used against blocks of hours on Obagi's account. Should hours on account be exceeded, Obagi will have the option of either purchasing
additional blocks of hours in advance or paying the normal implementation and support rates as contained in Exhibit A, Plan A. 

4.2    Local
travel expenses will not be charged to Obagi. Should SCS and Obagi require additional, non-local, technical expertise for specific implementation/support issues,
such reasonable travel expenses will be borne by Obagi but will require advanced, written approval for same by Obagi. In any case, such travel expenses are for the Obagi implementation are not to
exceed $5,000.00 without mutual agreement by both parties. 

4.3    There
are a number of items beyond SCS's and/or Obagi's control which can effect delivery of implementation/support, including but not limited to: hardware problems, labor strikes,
equipment failures, acts of God, terrorist threats, increased scope from additional, signed Work Orders, package upgrades or mutually agreed changes in implementation by SCS and Obagi. These are
normal and customary in software implementation, development and support. All SCS invoices and outstanding balances as contained herein are due and payable as received. Non-payment will be
deemed cause for suspension of SCS services with no fault or liability to SCS. 

5.0    QUALITY ASSURANCE—SCS will test and debug all modified software. SCS will not bill Obagi for time required to debug any
modifications authored by SCS. Correction of software bugs not authored by SCS will be at normal compensation rates pursuant to Exhibit A. Quality assurance does not extend to bugs in software
outside Navision or caused by third party software other than Navision. 

6.0    COMPLIANCE WITH LAWS—Both parties hereby agrees to comply with all State and US Federal laws governing the customization,
copyrights and licensing of software. 

7.0    WARRANTY—SCS warrants that personalizations, configurations, customizations and/or modifications made solely by SCS shall
be free of defects for a period of one year from date of implementation. Customizations or program modifications made by SCS can be of such complexity that they may have errors. If such error is
suspected, Obagi shall provide notice to SCS. Upon notice from Obagi, SCS shall take all steps necessary to mitigate the effects of the error. If such error(s) is not remedied within five
(5) business days unless mutually agreed to by the parties, Obagi shall have the right to contract with third parties to mitigate any damages resulting from the error. 

7.1    SCS
makes no representation, expressed or implied, to Obagi with respect to profit or loss, installation or any future modifications that may be made to the software, either by any
third party software or another party. In the event that SCS materially breaches this Agreement, it shall be responsible for any special or consequential damages or lost profits occurring out of or in
connection
with the delivery, use or performance of software. Nothing herein waives liability for negligence of either party in the performance of this agreement. 

3

 

7.2    The
above express warranties are the only warranties made and shall be in lieu of any other warranty, expressed or implied. You are advised to test the software thoroughly before
relying on it and assume the risk of using the software. 

8.0    SOURCE CODE—Navision and all source code to Navision including originals and any copies and all copyright, patent and trade
secrets are the sole property of Microsoft Business Solutions® Navision. The software is provided to Obagi under license agreement from Microsoft Business Solutions® Navision
US and used subject to Navision's standard terms and conditions. SCS is a licensed Microsoft Business Solutions® Center and as such is trained and licensed to perform modifications to
Navision software. Modifications to Navision for Obagi are jointly held by SCS and Obagi. 

8.1    At
all times, provided Obagi's Navision license is in force, copies of said modifications made for Obagi by SCS shall be provided to Obagi at no additional charge. All Source Code and
Modifications are provided to Obagi electronically or on CD medium and periodically updated to the Source Code previously installed from said CD medium or similar electronic medium onto Obagi's Server
and hard drive(s). Should Obagi terminate this agreement and request updated copies of all SCS modifications made for Obagi but not already installed on Obagi's Server, Obagi will be supplied these in
a timely fashion by SCS, electronically or on CD medium and at no additional charge; the only provision being for non-payment of outstanding invoices by Obagi as pursuant to #4 herein. 

9.0    PERSONNEL—At no time during the term of this agreement and surviving for a period of two years after termination of this
agreement, shall SCS or Obagi directly solicit any of the other party's employees or contracted consultants for the purpose of hiring, employing or in any way contracting them. SCS has invested
considerable time and expense in the recruitment, training and certification of its personnel and to interfere in any way with these relationships would cause SCS serious harm. 

10.0    ENTIRE AGREEMENT—The parties acknowledge that this Agreement sets forth the complete, exclusive and integrated
understanding of the parties which supersedes all proposals or prior agreements, oral or written including RFP's, sales presentations, and all other prior communications between parties relating to
the subject matter of this Agreement. 

11.0    DEFAULT—In the event that Obagi fails to pay SCS for software support provided, Obagi agrees to pay any interest, and/or
reasonable attorneys' fees accrued by SCS in the collection thereof. If litigation, arbitration or any other legal proceeding is commenced between the PARTIES to enforce the terms of this agreement,
the prevailing party shall be entitled to reasonable attorneys' fees and costs in such proceeding. This agreement shall be governed by the laws of the State of California. 

12.0    COUNTERPARTS—This Agreement may be executed in counterparts, each of which shall be deemed an original, but all of which
shall constitute one and the same agreement, and this Agreement shall only be effective if a counterpart is signed by SCS and Obagi. 

			
	Agreed by:	 	 
	

/s/ STEPHEN A. GARCIA

 Obagi Medical Products, Inc.	
 	

6/24/08

 Date
	

/s/ MICHAEL WISNER

 SCS, Inc.	
 	

6/24/08

 Date

4

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Exhibit 10.43

IMPLEMENTATION/SUPPORT AGREEMENT

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