SIL Global X Silver Miners New

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

Current Report

Pursuant to Section 13 or 15(D) of
the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):  October 31, 2008

APEX SILVER MINES LIMITED

(Exact name of registrant as specified in its charter)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨             Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨             Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨             Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨             Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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Item 1.01                      Entry into a Material Definitive Agreement

On October 31, 2008, Minera San Cristobal, S.A. (“MSC”), a 65% owned indirect subsidiary of Apex Silver Mines Limited (“Apex Silver”), entered into an amendment (the “Amendment”) to the Loan Agreement dated August 11, 2008 (the “Loan Agreement”) with SC Minerals Aktiebolag, a subsidiary of Sumitomo Corporation (“SC Minerals”).  SC Minerals is the 35% shareholder of MSC.

Under the terms of the Amendment, SC Minerals has agreed to increase by $25 million the amount available for borrowing by MSC (the “Additional Loan Amount”).  This amount may be used solely to fund MSC’s operating expenses.  The Additional Loan Amount is in addition to the $50 million already borrowed by MSC pursuant to the original terms of the Loan Agreement and the $25 million borrowed by MSC pursuant to the First Amendment to the Loan Agreement dated October 1, 2008.  The Additional Loan Amount may be borrowed by MSC at any time on or before December 31, 2008.

Except as stated above, the Additional Loan Amount is subject to the same terms and conditions set forth in the Loan Agreement, as disclosed in the Company’s Current Report on Form 8-K dated August 11, 2008.  If the full amount available under the amended Loan Agreement is fully drawn (including the Additional Loan Amount), no payments are made by MSC prior to maturity, and SC Minerals were to convert all amounts payable into MSC shares as of the maturity date, Apex Silver’s indirect ownership interest in MSC would be reduced to approximately 46.3% (approximately 52.7% on conversion of principal only).

Item 2.03                     Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

The matters described in Item 1.01 of this Form 8-K are incorporated by reference into this Item 2.03.

Item 9.01        Financial Statements and Exhibits

(d) Exhibits

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date:  November 6, 2008

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EXHIBIT INDEX

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