Exhibit 10.3.f

SIXTH AMENDMENT TO CREDIT AGREEMENT

This SIXTH AMENDMENT TO CREDIT AGREEMENT (as the same may be amended, restated,
supplemented, extended or otherwise modified from time to time, this
“Amendment”) is entered into as of March 26, 2007, by and among MAGNACHIP
SEMICONDUCTOR S.A., a société anonyme, organized and existing under the laws of
the Grand Duchy of Luxembourg, having its registered office at 74, rue de Merl,
B.P. 709, L-2017 Luxembourg, Grand Duchy of Luxembourg, registered with the
Luxembourg Register of commerce and companies under the number B 97,483
(“Luxco”), MAGNACHIP SEMICONDUCTOR FINANCE COMPANY, a Delaware corporation
(together with Luxco, “Borrowers”), MAGNACHIP SEMICONDUCTOR LLC, a Delaware
limited liability company (“Holdings”), the Subsidiary Guarantors (the
“Subsidiary Guarantors”) listed on the signature pages hereto (each of
Borrowers, Holdings and Subsidiary Guarantors are sometimes referred to herein
as a “Loan Party” and, collectively, as the “Loan Parties”), the Lenders, UBS
AG, STAMFORD BRANCH, as administrative agent (in such capacity, “Administrative
Agent”) for the Lenders and as collateral agent (in such capacity, “Collateral
Agent”; and together with the Administrative Agent, the “Agents”, and each an
“Agent”) for the Secured Parties and the Issuing Bank.

RECITALS

A. The Borrowers, Holdings, Subsidiary Guarantors, UBS Securities LLC, as lead
arranger, as documentation agent and as syndication agent, UBS Loan Finance LLC,
as swingline lender, Korea Exchange Bank, as issuing bank and Agents are parties
to that certain Credit Agreement dated as of December 23, 2004 (as amended
hereby, and as the same has been and hereafter may be amended, restated,
supplemented or otherwise modified from time to time, the “Credit Agreement”).
Unless otherwise specified herein, all capitalized terms used in this Amendment
shall have the meanings ascribed to them in the Credit Agreement.

B. The Borrowers have requested that the Agents and the Required Lenders agree
to amend Section 6.10(d) of the Credit Agreement upon the terms and subject to
the conditions as herein set forth.

NOW, THEREFORE, in consideration of the foregoing, the covenants and conditions
contained herein and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties hereto agree as
follows:

SECTION 1. Amendments to Credit Agreement.

(a) Clause (d) of Section 6.10 of the Credit Agreement is hereby amended and
restated to read in its entirety as follows:

“(d) Capital Expenditure Limit. Make Capital Expenditures during the following
periods that exceed the aggregate amounts set forth opposite each of such
periods; provided, that (i) the amount applicable to the period of April 1, 2007
to June 30, 2007 shall be increased by an amount equal to the excess, if any, of
the amount for the period of January 1, 2007 to March 31, 2007 set forth below
over the actual amount of Capital Expenditures made during the period of
January 1, 2007 to March 31, 2007; and (ii) the amount applicable to the period
of July 1, 2007 to September 30, 2007 shall be increased by an amount equal to
the excess, if any, of the collective amounts for the periods of January 1, 2007
to

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March 31, 2007 and April 1, 2007 to June 30, 2007 set forth below over the
actual amount of Capital Expenditures made during the period of January 1, 2007
to June 30, 2007:

 

Period

   Capital
Expenditures January 1, 2006 - September 30, 2006    $45,000,000 October 1, 2006
- December 31, 2006    $55,000,000 January 1, 2007 - March 31, 2007   
$10,000,000 April 1, 2007 - June 30, 2007    $65,000,000 July 1, 2007 -
September 30, 2007    $20,000,000

SECTION 2. Reference to and Effect Upon the Credit Agreement.

(a) Except as specifically set forth herein, all terms, conditions, covenants,
representations and warranties contained in the Credit Agreement or any other
Loan Documents, and all rights of Agents and Lenders and all of the Obligations,
shall remain in full force and effect; provided that in the event of a conflict
between the terms and provisions of the Credit Agreement or any other Loan
Documents (other than this Amendment), the terms and provisions of the Credit
Agreement (as amended hereby, and as the same has been and hereafter may be
amended, restated, supplemented or otherwise modified from time to time) shall
control. Each Loan Party hereby confirms that the Credit Agreement and the other
Loan Documents are in full force and effect and that neither such Loan Party nor
any of its Subsidiaries has any defenses, setoffs, claims, or counterclaims to
the Obligations under the Credit Agreement or any other Loan Documents.

(b) Except as expressly set forth herein, the execution, delivery and
effectiveness of this Amendment shall not directly or indirectly (i) constitute
a consent or waiver of any past, present or future violations of any provisions
of the Credit Agreement or any other Loan Documents, (ii) amend, modify or
operate as a waiver of any provision of the Credit Agreement or any other Loan
Documents or any right, power or remedy of any Agent or any Lender thereunder,
or (iii) constitute a course of dealing or other basis for altering any
Obligations or any other contract or instrument. Except as expressly set forth
herein, each of the Agents and Lenders reserves all of its rights, powers, and
remedies under the Credit Agreement, the other Loan Documents, and/or applicable
law. All of the provisions of the Credit Agreement and the other Loan Documents,
including, without limitation, the time of the essence provisions, are hereby
reiterated, and if ever waived, reinstated.

(c) Upon the effectiveness of this Amendment, all references to the Credit
Agreement in any Loan Document shall mean and be a reference to the Credit
Agreement, as amended hereby, and the term “Loan Documents” shall include,
without limitation, this Amendment.

SECTION 3. Costs and Expenses. Each of the Borrowers and the other Loan Parties
agrees jointly and severally to reimburse Agents and Lenders for all reasonable
fees, costs and expenses, including the reasonable fees, costs and expenses of
counsel or other advisors for advice, assistance, or other representation in
connection with this Amendment and the other agreements and documents executed
in connection herewith.

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SECTION 4. Governing Law. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE INTERNAL LAWS (AS OPPOSED TO CONFLICTS OF LAWS PROVISIONS)
OF THE STATE OF NEW YORK.

SECTION 5. Headings. Section headings in this Amendment are included herein for
convenience of reference only and shall not constitute a part of this Amendment
for any other purposes.

SECTION 6. Counterparts. This Amendment may be executed in any number of
counterparts, each of which when so executed shall be deemed an original, but
all such counterparts shall constitute one and the same instrument, and all
signatures need not appear on any one counterpart. Any party hereto may execute
and deliver a counterpart of this Amendment by delivering by facsimile
transmission a signature page of this Amendment signed by such party, and any
such facsimile signature shall be treated in all respects as having the same
effect as an original signature. Any party delivering by facsimile transmission
a counterpart executed by it shall promptly thereafter also deliver a manually
signed counterpart of this Amendment.

SECTION 7. Time of Essence. Time is of the essence in the payment and
performance of each of the obligations of any of the parties hereunder and with
respect to all conditions to be satisfied by such party.

SECTION 8. Effectiveness. This Amendment shall become effective at the time (the
“Effective Date”) that duly executed signature pages for this Amendment signed
by the Required Lenders and Loan Parties shall have been delivered to
Administrative Agent.

*** Signature Pages Follow ***

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IN WITNESS WHEREOF, this Sixth Amendment to Credit Agreement has been executed
by the parties hereto as of the date first written above.

 

MAGNACHIP SEMICONDUCTOR S.A., a Luxembourg company By:  

/s/    PHOKION POTAMIANOS        

Name:   Title:  

MAGNACHIP SEMICONDUCTOR FINANCE

COMPANY, a Delaware limited liability company

By:  

/s/    PHOKION POTAMIANOS        

Name:   Title:  

MAGNACHIP SEMICONDUCTOR LLC, a Delaware limited liability company

By:  

/s/    ROBERT KRAKAUER        

Name:   Title:  

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SUBSIDIARY GUARANTORS

MAGNACHIP SEMICONDUCTOR, INC., a California
corporation

By:  

/s/    ROBERT KRAKAUER        

Name:   Title:  

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MAGNACHIP SEMICONDUCTOR SA HOLDINGS LLC, a Delaware limited liability company
By:  

/s/    PHOKION POTAMIANOS        

Name:   Title:  

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MAGNACHIP SEMICONDUCTOR LIMITED, a company incorporated in England and Wales
with registered number 05232381 By:  

/s/    ROBERT KRAKAUER        

Name:   Title:  

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MAGNACHIP SEMICONDUCTOR, INC., a Japanese company By:  

/s/    ROBERT KRAKAUER        

Name:   Title:  

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For execution as a deed:

 

EXECUTED AS A DEED by    ) as duly appointed attorney    ) pursuant to a power
of attorney    ) dated    ) for and on behalf of    ) MAGNACHIP SEMICONDUCTOR   
) LIMITED    ) in the presence of:    )

 

Witness:  

 

   Witness:   

 

Name:      Name:    Address:      Address:   

For execution otherwise than as a deed:

 

SIGNED by /S/    ROBERT KRAKAUER    ) as duly appointed attorney    ) pursuant
to a power of attorney    ) dated    ) for and on behalf of    ) MAGNACHIP
SEMICONDUCTOR    ) LIMITED    ) in the presence of:    )

 

Witness:   /S/    JOHN MCFARLAND        

Name:

  John McFarland

Address:

  891 Daechi-dong, Gangnam-gu, Seoul, Korea

CERTIFICATION LANGUAGE

I, the undersigned, being a director of MagnaChip Semiconductor Limited, do
hereby certify that this document is a true and complete copy of its original.

 

/S/    ROBERT KRAKAUER

[Name] Date:

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MAGNACHIP SEMICONDUCTOR, LTD., a
Taiwan company

By:

 

/s/    ROBERT KRAKAUER        

Name:

 

Title:

 

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MAGNACHIP SEMICONDUCTOR B.V.

By:

 

/s/    ROBERT KRAKAUER        

Name:

 

Title:

 

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MAGNACHIP SEMICONDUCTOR HOLDING COMPANY LIMITED, a British Virgin Islands
company By:  

/s/    JOHN MCFARLAND        

Name:   John McFarland Title:   Director

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IC MEDIA INTERNATIONAL CORPORATION, a
Cayman Islands Company

By:

 

/s/    JOHN MCFARLAND        

Name:

  John McFarland

Title:

  Director

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IC MEDIA TECHNOLOGY CORPORATION, a Taiwan Company

By:

 

/S/    JOHN MCFARLAND        

Name:

  John McFarland

Title:

  Director

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UBS SECURITIES LLC, as Arranger, Syndication
Agent and Documentation Agent By:  

/s/    RICHARD L. TAVROW        

Name:   Richard L. Tavrow Title:   Director By:  

/s/    IRJA R. OTSA        

Name:   Irja R. Otsa Title:   Associate Director UBS AG, STAMFORD BRANCH, as
Administrative Agent and Collateral Agent By:  

/s/    RICHARD L. TAVROW        

Name:   Richard L. Tavrow Title:   Director By:  

/s/    IRJA R. OTSA        

Name:   Irja R. Otsa Title:   Associate Director UBS LOAN FINANCE LLC, as
Swingline Lender By:  

/s/    RICHARD L. TAVROW        

Name:   Richard L. Tavrow Title:   Director By:  

/s/    IRJA R. OTSA        

Name:   Irja R. Otsa Title:   Associate Director

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KOREA EXCHANGE BANK

By:

 

/s/    IL-WON JOO        

Name:

  Il-Won Joo

Title:

  Senior Relationship Manager

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GOLDMAN SACHS CREDIT PARTNERS L.P.

By:

 

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Name:

 

Title:

 

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CITICORP NORTH AMERICA, INC. By:  

/S/    CARL CHO        

Name:   Carl Cho Title:   Vice President

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JPMORGAN CHASE BANK N.A.

By:

 

/S/    JOHN KOWALCZAK        

Name:

  John Kowalczak

Title:

  Vice President

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DEUTSCHE BANK TRUST COMPANY AMERICAS

By:

 

/S/    SUSAN LEFEVRE        

Name:

  Susan LeFevre

Title:

  Director

 

DEUTSCHE BANK TRUST COMPANY AMERICAS

By:

 

/S/    PAUL O’LEARY        

Name:

  Paul O’Leary

Title:

  Vice President