Exhibit 4.2
 EXECUTION COPY
 AGREEMENT DEALING WITH THE ESTABLISHMENT OF KB
FINANCIAL HOLDING COMPANY
 Agreement th
 (1)
    
    KOOKMIN BANK, a corporation duly organized and existing under the laws of the Republic of Korea
(KB);(2)
    
    KB ASSET MANAGEMENT CO., LTD.(formerly known as KB Investment Trust Management Co., Ltd.), a
corporation duly organized and existing under the laws of the Republic of Korea (KBAM and
together with KB, the KB Parties);(3)
    
    ING BANK N.V., a corporation duly organized and existing under the laws of the Netherlands
(ING Bank); and(4)
    
    ING INSURANCE INTERNATIONAL B.V., a corporation duly organized and existing under the laws of
the Netherlands (III and together with ING Bank, the ING Parties).
 WITNESSETH
 Alliance/Joint Venture
Agreements
 (a)
    
    The Amended and Restated Strategic Alliance Agreement dated as of August 27, 2003 (the
SAA) by and between the KB and ING Bank;(b)
    
    The KBITM Joint Venture Agreement dated as of December 4, 2002 (as amended on August 27,
2003, the KBAM JVA) by and among KB, III and KBAM;(c)
    
    The Share Transfer and Joint Venture Agreement dated as of September 1, 2004 (the
KB Life JVA) by and among KB, III and KB Life Insurance Co., Ltd. (KB Life);
and(d)
    
    The Amended and Restated INGLK Joint Venture Agreement dated as of August 27, 2003 (as
amended on September 1, 2004 and October 1, 2007, the INGLK JVA) by and among KB, III and
ING Life Insurance Company, Korea Ltd. (INGLK);
 FHC Reorganization FHC Act FHC
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AGREEMENT
  Article 1. Definitions and Interpretation
 1.1
    
    Definitions. The following terms shall have their respective meanings set forth below
when used in this Agreement unless the context clearly requires otherwise:Business Day shall mean any day other than a Saturday, Sunday or a day on which
banks in Korea are closed for banking transactions.Closing shall mean the closing of the FHC Reorganization whereby (among other
things): (a) the FHC shall be duly formed and incorporated; and (b) all of the shares of KB
and KBAM shall be transferred to the FHC in exchange for FHC Shares.Closing Date shall mean the date of the Closing.Confidential Information shall mean all propriety and non-public information, in any
form, relating to the parties hereto (including, without limitation, its condition (financial
or otherwise), assets, liabilities, business, operations, customers and prospects), or any of
the arrangements or agreements set forth in this Agreement, other than information which is
(i) already known to the recipient at the time of disclosure or (ii) generally available to
the public, through a source or sources other than the parties to this Agreement and their
respective shareholders, directors, officers, employees, affiliates, agents and
representatives.FHC Reorganization Plan shall mean the FHC Reorganization plan to be submitted to
the FSC for its approval in accordance with the FHC Act, which shall set forth (among other
things) the stock transfer ratios of the shares to be transferred to the FHC in exchange for
FHC Shares.FHC Shares shall mean the shares of common stock of the FHC.FSC shall mean the Financial Services Commission.Korea shall mean the Republic of Korea.
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KRW shall mean Korean Won, the lawful currency of Korea.1.2
    
    Interpretation. In this Agreement, unless the context clearly requires the otherwise:
 (a)
    
    words denoting the singular shall include the plural, and words denoting one gender
shall include all others;(b)
    
    references to Articles, Sections, Exhibits or Schedules are references to Articles,
Sections, Exhibits or Schedules, respectively, in or to this Agreement; and all titles and headings
of Articles, Sections, Exhibits or Schedules and the table of contents are inserted for convenience
of reference only, and shall not be utilized in construing the meaning of any provisions hereof;(c)
    
    a reference to writing includes printing, typing, lithography and other means of
reproducing words in visible form;(d)
    
    a reference to any agreement, including this Agreement, means such agreement as amended,
modified, extended or supplemented from time to time in accordance with the applicable provisions
thereof, and includes all annexes, appendices, schedules and exhibits thereto;(e)
    
    words such as hereunder, hereto, hereof and herein and other words of like
import shall refer to the whole of this Agreement and not to any particular portion of this
Agreement;(f)
    
    any reference to a statute or regulation shall be construed as including all regulations
and rules promulgated thereunder and all provisions consolidating, amending or replacing such
statute or regulation;(g)
    
    whenever the words include, includes and including are used in this Agreement,
they shall be deemed to be followed by the words without limitation; and(h)
    
    any reference to a party hereto or any other person or legal entity includes such
partys, persons or legal entitys successors, permitted transferees and permitted assigns.
 Article 2. FHC Reorganization
 2.1
    
    Approval of FHC Reorganization By ING Bank and III. Subject to the terms and conditions
of this Agreement, including, without limitation, Section 2.2 below:
 (a)
    
    ING Bank hereby agrees to vote its shares in KB to approve a comprehensive stock
transfer with the FHC so that all of the issued and outstanding shares of KB are exchanged for FHC
Shares at the Closing;(b)
    
    III hereby agrees to vote its shares in KBAM to approve a comprehensive stock transfer with
the FHC so that all of the issued and outstanding shares of KBAM are exchanged for FHC Shares at
the Closing; and
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(c)
    
    Subject to Section 2.3 below, III hereby agrees that FHC Reorganization and
termination of KBAM JVA contemplated under Section 3.1(b) do not constitute in themselves
grounds for termination of the KB Life JVA or the INGLK JVA.
 2.2
    
    Conditions to Approval. The approvals of ING Bank and III set forth in
Section 2.1 above shall be subject to and conditioned upon the following:
 (a)
    
    the shares of INGLK owned and held by KB not being transferred to the FHC or exchanged
for FHC Shares as part of the FHC Reorganization;(b)
    
    the shares of KB Life owned and held by KB and III not being transferred to the FHC or
exchanged for FHC Shares as part of the FHC Reorganization, except as contemplated in
Section 3.2 below; and(c)
    
    the FSC (both preliminary and final) and the Board of Directors of KB approving a FHC
Reorganization Plan that provides a value of KRW 86.12 billion for IIIs twenty percent
(20%) interest in KBAM (which is the fair market value determined in accordance with applicable
law) so that III shall receive FHC Shares with a value of KRW 86.12 billion in exchange for its
shares in KBAM at the Closing.
  2.3
    
    Change In Control in KB; Minimum Shares. For avoidance of doubt, the parties hereto
agree that: (a) the FHC Reorganization as contemplated by this Agreement shall notin and of
itselfbe deemed as a Change in Control of KB, as such term is used in the Alliance/Joint Venture
Agreements; (b) ING Banks exchange of its shares in KB for FHC Shares in connection with the FHC
Reorganization shall not be deemed an ING Break-up Event, as such term is used in the SAA; and
(c) notwithstanding each of events set out in paragraphs (v), (ix) and (x) of the definition of KB
Break-up Event (as such term is used in the SAA) occurs or is constituted as a consequence of the
FHC Reorganization, such occurrence or constitution shall not be deemed a KB Break-up Event.
Notwithstanding the foregoing, Sections 2.3(c) shall be subject to and conditioned upon the
rights and obligations of KB under the SAA being assigned to, and assumed by, the FHC upon the
establishment of the FHC in accordance with Section 3.1(a) below. In the event that the SAA
is not assigned to, and assumed by, the FHC for any reason whatsoever (including, without
limitation, the failure to obtain approval from the Board of Directors of the FHC) in accordance
with Section 3.1(a) below, then the provisions under Sections 2.3(c) shall be of no
force or effect, and the ING Parties shall be entitled to exercise any and all rights under the
Alliance/Joint Venture Agreements (other than the KBAM JVA) that arise or result from the FHC
Reorganization, notwithstanding the consents provided under Section 2.1 above.
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Article 3. Alliance/Joint Venture Agreements
 3.1
    
    Agreements. In connection with the FHC Reorganization, and in consideration of the
approvals provided by ING and III in accordance with Section 2.1 above, the KB Parties and
ING Parties (as the case may be) hereby agree as follows:
 (a)
    
    as the FHC is not established at the date of this Agreement, on or before the Closing
Date, ING Bank and KB shall agree to effect the assignment of the SAA to the FHC so that all of the
rights and obligations of KB under the SAA as of the date hereof are assigned to, and assumed by,
the FHC. KB shall use its best efforts to cause the FHC to accept such assignment and assumption of
the SAA; provided, however, that it is understood and agreed by ING Bank and KB
that the assignment and assumption of the SAA to the FHC is subject to the approval of the Board of
Directors of the FHC and is to be in accordance with applicable laws and regulations; and(b)
    
    as of the Closing, the KBAM JVA shall be terminated and no longer be in force or effect.
 3.2
    
    KB Life. The parties hereto understand, agree and consent to, KB transferring its
shares in KB Life to the FHC within two (2) years of the Closing Date in accordance with applicable
law. For the avoidance of doubt, III does not need to transfer any of its shares in KB Life to the
FHC.
 Article 4. Representations and Warranties and Indemnification
 4.1
    
    Representations and Warranties. Each of the parties hereto represents and warrants as follows:
 (a)
    
    It is a corporation duly organized and validly existing under the laws of the
jurisdiction of incorporation, and has the requisite power and authority and legal right to carry
on its business as currently conducted.(b)
    
    The execution and delivery by it of this Agreement, and the performance by it of its
obligations hereunder and thereunder (i) are within its corporate power, (ii) have been duly and
validly authorized by all necessary corporate action, (iii) are not in contravention of any
provision of its Articles of Incorporation or other applicable organizational documents, and
(iv) will not violate, in any material respect, any law or order by any governmental agency.(c)
    
    This Agreement is, duly executed and delivered by it, and constitute, or will
constitute, its legal, valid and binding obligation, enforceable against it in accordance with
their respective terms.(d)
    
    There is no litigation pending or, to its knowledge, threatened against it, which could
adversely affect its ability to consummate the transactions contemplated herein.
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4.2
    
    Indemnification.
 (a)
    
    The KB Parties (jointly and severally) shall indemnify and hold harmless the ING Parties
and their respective directors, officers, employees, affiliates, agents and representatives, from
and against and in respect of any and all claims, losses, costs, obligations, liabilities, damages
and expenses (including, without limitation, interests, penalties, court costs and attorneys fees)
(collectively, Losses), arising out of or relating to any breach of any of the
representations and warranties or any covenants or agreements by the KB Parties.(b)
    
    The ING Parties (jointly and severally) shall indemnify and hold harmless the KB Parties
and their respective directors, officers, employees, affiliates, agents and representatives, from
and against and in respect of any and all Losses arising out of or relating to any breach of any of
the representations and warranties or any covenants or agreements by the ING Parties.
 Article 5. Termination
 5.1
    
    Termination Prior to Closing. At any time on or prior to the Closing, the ING Parties,
acting as one party, or the KB Parties, acting as the other party, may immediately terminate this
Agreement by giving written notice of termination to the other party, if:
 (a)
    
    the Closing has not occurred on or prior to 31 December 2008, unless the failure of such
occurrence is due to the failure of the party seeking to terminate this Agreement to perform its
obligations under this Agreement;(b)
    
    the other party has committed a material breach of any agreement, covenant, or other
terms of this Agreement, and if curable, fails to cure such breach within fourteen (14) Business
Days of the receipt of written notice from the non-breaching party requesting cure of the breach;(c)
    
    any of the representations and warranties of the other party are proven to be false,
misleading, or fraudulent in any material respect;(d)
    
    a government approval necessary for the transactions contemplated hereby is ultimately
denied or rejected, or if as a result of a change in any applicable law, the consummation of the
transactions contemplated hereby is made impractical or illegal;(e)
    
    any of the conditions set forth under Section 2.2 above are not satisfied as of
the Closing; or(f)
    
    the other party agrees in writing to the termination.
 5.2
    
    Effect of Termination. In the event of a the termination of this Agreement under any
provision of this Article 5, this Agreement shall forthwith become null and void, except
for Articles 4, 6 and 7, and Sections 5.2, 8.1, 8.5
and 8.7; provided, however, the termination of this Agreement shall not
relieve any party of any liability for breach of this Agreement prior to the date of termination.
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Article 6. Confidentiality; Publicity
 6.1
    
    Confidential Information. Except as required by applicable law, each of the parties
hereto shall, and shall cause their respective affiliates, agents and representatives to keep
confidential, and not use or disclose in any manner, any Confidential Information, regardless of
whether the transactions contemplated hereby shall be consummated; provided,
however, that in the event any use or disclosure of Confidential Information is or becomes
required by applicable law, the disclosing party shall give the other parties reasonable prior
opportunity to comment upon such disclosure.6.2
    
    Public Statements. The parties hereto shall not issue any press release or make any
public disclosure regarding the transactions contemplated by this Agreement, without the prior
approval of the other parties.
 Article 7. Dispute Resolution
 7.1
    
    Amicable Resolution. It is agreed that in the event of any dispute, claim or
controversy arising out of or in connection with this Agreement, the parties hereto shall seek to
resolve the matter amicably through good faith discussions among the parties.7.2
    
    Arbitration. If the parties fail to resolve any dispute, claim or controversy amicably,
such dispute, claim or controversy shall be resolved by and through an arbitration proceeding to be
conducted in Singapore, in the English language, by a panel of three (3) arbitrators in accordance
with the Rules of the International Chamber of Commerce. The KB Parties and the ING Parties shall
appoint one (1) arbitrator within thirty (30) days after receipt of a demand for arbitration by the
other party. The two (2) arbitrators appointed shall, within thirty (30) days after both have been
appointed, shall appoint a third arbitrator, who shall preside over the arbitration proceedings.
The parties agree to be bound by the award rendered by the arbitrators, and any judgment thereupon
may be entered in any court of competent jurisdiction.7.3
    
    Preliminary Injunction. Notwithstanding any other provision of this Agreement, any
party shall be entitled to seek preliminary injunctive relief from any court of competent
jurisdiction, pending the final decision or award of the arbitrators.
 Article 8. Miscellaneous
 8.1
    
    Notices. All notices, consents, waivers, and other communications under this Agreement
shall be (i) in writing, (ii) delivered by hand-delivery, registered first class mail (return
receipt requested), facsimile, or air courier guaranteeing overnight delivery, (iii) deemed to have
been given on the date on which it is received, and (iv) shall be addressed as follows:
 (a)
    
    If to any of the KB Parties:
 
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(b)
    
    If to any of the ING Parties:
 
 8.2
    
    Assignment. Neither this Agreement nor any right or obligation arising under this
Agreement may be assigned by any of the KB Parties, on the one hand, or any of the ING Parties, on
the other hand, without the prior written consent of the other party. Subject to the foregoing,
this Agreement shall be binding upon and inure to the benefit of the parties and their respective
successors and assigns, and no other person or legal entity shall have any right, benefit or
obligation under this Agreement.Notwithstanding the foregoing, it is hereby understood and acknowledged by the parties hereto
that III may transfer any or all of its shares in KBAM to ING Bank prior to the Closing. In
such case, the KB Parties agree that notwithstanding the terms and conditions of this
Agreement or the KBAM JVA, including, without limitation, Article 5 of the KBAM JVA,
III shall have the right to freely transfer any or all of its shares in KBAM to ING Bank prior
to the Closing; provided, however, that ING Bank assumes all of the rights and
obligations of III under the KBAM JVA, and agrees to be bound to this Agreement with respect
to its interest in KBAM.8.3
    
    Amendments. This Agreement may be amended only by written agreement among the parties
hereto.8.4
    
    Severability. If one of more provisions of this Agreement are held to be invalid or
unenforceable to any extent under applicable law, such provision shall be interpreted as if it were
written so as to be enforceable to the maximum extent permitted by applicable law, so as to
effectuate the parties intent to the maximum extent, and the remainder of this Agreement shall be
interpreted as if such provision were excluded and shall be valid and enforceable in accordance
with its terms to the maximum extent permitted by applicable law.8.5
    
    Costs and Expenses. Each party shall bear its own costs and expenses incurred in
connection with this Agreement, including, without limitation, the fees and expenses of their
respective accountants and legal counsel, regardless of whether the transactions contemplated
hereby shall be consummated.8.6
    
    Further Assurances. The parties shall use all reasonable efforts to take, or cause to
be taken, all appropriate action, and do, or cause to be done, all things necessary, proper or
advisable under applicable law or otherwise to consummate the transactions contemplated by this
Agreement.
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8.7
    
    Governing Law and Governing Language. This Agreement shall be governed by, construed,
and enforced in accordance with the laws of the Republic of Korea, without regard to any conflict
of laws principle thereof. In the event of any conflict between the English language version of
this Agreement and any translation hereof, the English language version shall prevail.8.8
    
    Entire Agreement. This Agreement (including all exhibits and schedules hereto),
constitute the entire agreement and understanding of the parties hereto with respect to the subject
matter of such documents, and supersede all prior agreements and understandings, both written or
oral, of the parties relating to the subject matter of such documents.8.9
    
    Counterparts. This Agreement may be executed in any number of counterparts, each of
which shall be deemed to be an original, and all of which together shall constitute one and the
same document.
 [Remainder of Page Intentionally Left Blank]
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KOOKMIN BANK
    
    ING BANK N.V.By: 
Name:
    
    
    
    By:
Name:Its:
    
    
    
    Its:KB ASSET MANAGEMENT CO., LTD.
    
    ING INSURANCE INTERNATIONAL B.V.By: 
Name:
    
    
    
    By:
Name:Its:
    
    
    
    Its:
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