Document:

NON-REVOLVING CREDIT LINE LOAN AGREEMENT

Exhibit 10.37

AMENDMENT TO NON-REVOLVING CREDIT LINE LOAN AGREEMENT

BY THIS AMENDMENT, entered into on the 19th day of October 2002, to the AGREEMENT made and entered into as of the 19th day of October, 2001, AZCO MINING INC., a Delaware corporation, whose address is 7239 North El Mirage Road, Glendale, Arizona (hereinafter called "Borrower"), and Luis Barrenchea, Trustee under Declaration of Trust dated July 6, 1987, whose address is 10121 Sunkist circle, villa Park, California (hereinafter called "Lender"), for and in consideration of the recitals and mutual promises contained herein, confirm and agree as follows:

SECTION 1.

GENERAL TERMS

1.1

Lender agrees to extend the term of the October 19, 2001, $100,000 loan an additional year, whereby the principal amount payable will be due October 3, 2003. 

1.2

This amendment shall be evidenced by a Non-Revolving Credit Line Note in the form attached hereto as Exhibit A (the "Note") of Borrower, executed and delivered simultaneously with the execution of this Amendment, in the face amount of $100,000, payable to Lender upon the terms and conditions contained therein.

1.3

The Note replaces the note executed in conjunction with the October 19, 2001 non-revolving credit loan agreement.

1.4

In consideration of the extension of the October 19, 2001 loan an additional year, Borrower shall extend the term of the warrant, issued in conjunction with the October 19, 2001 loan an additional year through October 19, 2003.  This amended warrant for the purchase of 125,000 shares of Borrower's common stock is attached hereto as Exhibit B (the "Warrant"), and Borrower and Lender shall enter into a Registration Rights Agreement in substantially the form attached hereto as Exhibit C.

IN WITNESS WHEREOF, these presents are executed as of the date indicated above.

BORROWER

AZCO MINING INC., a Delaware corporation

By:  /s/ Ryan Modesto________________________

Its:  Vice President - Finance

LENDER

              /s/ Luis Barrenchea___________________

               Luis BarrenecheaNON-REVOLVING CREDIT LINE LOAN AGREEMENT

Exhibit 10.38

AMENDMENT TO NON-REVOLVING CREDIT LINE LOAN AGREEMENT

BY THIS AMENDMENT, entered into on the 3rd day of December 2002, to the AGREEMENT made and entered into as of the 3rd day of December, 2001, AZCO MINING INC., a Delaware corporation, whose address is 7239 North El Mirage Road, Glendale, Arizona (hereinafter called "Borrower"), and Luis Barrenchea, Trustee under Declaration of Trust dated July 6, 1987, whose address is 10121 Sunkist circle, villa Park, California (hereinafter called "Lender"), for and in consideration of the recitals and mutual promises contained herein, confirm and agree as follows:

SECTION 1.

GENERAL TERMS

1.1

Lender agrees to extend the term of the December 3, 2001, $100,000 loan an additional year, whereby the principal amount payable will be due December 3, 2003. 

1.2

This amendment shall be evidenced by a Non-Revolving Credit Line Note in the form attached hereto as Exhibit A (the "Note") of Borrower, executed and delivered simultaneously with the execution of this Amendment, in the face amount of $100,000, payable to Lender upon the terms and conditions contained therein.

1.3

The Note replaces the note executed in conjunction with the December 3, 2001 non-revolving credit loan agreement.

1.4

In consideration of the extension of the December 3, 2001 loan an additional year, Borrower shall extend the term of the warrant, issued in conjunction with the December 3, 2001 loan an additional year through December 3, 2003.  This amended warrant for the purchase of 125,000 shares of Borrower's common stock is attached hereto as Exhibit B (the "Warrant"), and Borrower and Lender shall enter into a Registration Rights Agreement in substantially the form attached hereto as Exhibit C.

IN WITNESS WHEREOF, these presents are executed as of the date indicated above.

BORROWER

AZCO MINING INC., a Delaware corporation

By:  /s/ Ryan Modesto______________________

Its:  Vice President - Finance

LENDER

         /s/ Luis Barrenchea

          Luis BarrenecheaExhibit 10.01

                               SAN HOLDINGS, INC.
                              SEVENTH AMENDMENT TO
                       HARRIS LOAN AUTHORIZATION AGREEMENT

Harris N.A., as successor to
  Harris Trust and Savings Bank
Chicago, Illinois

Ladies and Gentlemen:

         Reference  is hereby made to that  certain  Harris  Loan  Authorization
Agreement dated as of May 16, 2003 (the Harris Loan Authorization  Agreement, as
the same may be amended from time to time, being referred to herein as the "Loan
Agreement"), between the undersigned, SAN Holdings, Inc., a Colorado corporation
(the "Borrower"), and Harris N.A., as successor to Harris Trust and Savings Bank
due to merger (the "Bank"). All capitalized terms used herein without definition
shall have the same meanings herein as such terms have in the Loan Agreement.

         The Borrower has requested that the Bank increase the available maximum
amount of credit  available to the Borrower  under the Loan  Agreement,  and the
Bank is  willing  to do so under  the  terms  and  conditions  set forth in this
agreement (herein, the "Amendment").

SECTION 1. AMENDMENT.

         Subject to the  satisfaction  of all of the  conditions  precedent  set
forth in Section 3 below,  the Loan Agreement  shall be and hereby is amended as
follows:

        1.1. The Loan  Agreement  shall be and hereby is amended by deleting the
amount of  "$10,000,000"  appearing  throughout  the document  and  substituting
therefor the amount "$11,500,000."

        1.2.  In  order to  correct  a  typographical  error  made in the  Sixth
Amendment to Harris Loan Authorization  Agreement dated as of February 16, 2005,
the parenthetical  immediately  following the term "ON DEMAND" set forth in each
of Section 5 (Maturity  Date;  Payments) and Section 10  (Termination;  Renewal)
shall be deleted and replaced with the following:

              "(but if no demand, no later than February 16, 2006)"

SECTION 2. NEW NOTE.

         In  replacement  for that  certain  Note payable to the order of Harris
Trust and Savings Bank dated as of February 16, 2005 in the principal  amount of
$10,000,000 (the "Previous Note"), the Borrower shall execute and deliver to the
Bank a new demand note in the amount of $11,500,000, dated as of the date of its
issuance and otherwise in the form of Exhibit A attached hereto (the "New Note")
which shall substitute for the Bank's Previous Note and shall evidence the loans

<PAGE>

outstanding  to the Bank. All references in the Loan Agreement to the Note shall
be deemed references to the New Note.

SECTION 3. CONDITIONS PRECEDENT.

        3.1. The Borrower and the Bank shall have  executed and  delivered  this
Amendment.

        3.2. The Borrower  shall have executed and delivered the New Note to the
Bank.

        3.3. The Bank shall have received copies (executed or certified,  as may
be appropriate)  of all legal documents or proceedings  taken in connection with
the  execution  and  delivery  of this  Amendment  to the extent the Bank or its
counsel may reasonably request.

        3.4.   The Borrower shall have paid to the Bank a non-refundable closing
fee in the amount of $3,750.

        3.5.  Legal  matters  incident  to the  execution  and  delivery of this
Amendment shall be satisfactory to the Bank and its counsel.

        3.6. Sun Capital  Partners II, LP shall have  executed and  delivered to
the Bank their  consent  to this  Amendment  in the form set forth  below and an
amendment to the Guaranty.

SECTION 4. REPRESENTATIONS.

         In order to induce the Bank to execute and deliver this Amendment,  the
Borrower  hereby  represents  to  the  Bank  that  as of  the  date  hereof  the
representations  and warranties set forth in the Loan Agreement are and shall be
and remain true and correct and the Borrower is in compliance with the terms and
conditions of the Loan Agreement.

SECTION 5. MISCELLANEOUS.

        5.1.  Except as specifically  amended  herein,  the Loan Agreement shall
continue  in full  force  and  effect in  accordance  with its  original  terms.
Reference to this specific Amendment need not be made in the Loan Agreement, the
Note, or any other instrument or document executed in connection  therewith,  or
in any certificate,  letter or communication  issued or made pursuant to or with
respect to the Loan  Agreement,  any  reference in any of such items to the Loan
Agreement being sufficient to refer to the Loan Agreement as amended hereby.

        5.2. This Amendment may be executed in any number of  counterparts,  and
by the different parties on different  counterpart signature pages, all of which
taken together shall  constitute one and the same agreement.  Any of the parties
hereto may execute this  Amendment by signing any such  counterpart  and each of
such  counterparts  shall for all  purposes  be deemed to be an  original.  This
Amendment shall be governed by the internal laws of the State of Illinois.

                           [SIGNATURE PAGE TO FOLLOW]

                                      -2-
<PAGE>

         This  Seventh  Amendment  to Harris  Loan  Authorization  Agreement  is
entered into as of this 3 day of June, 2005.

                                       SAN HOLDINGS, INC.

                                       By /s/ Stephen G. Marble
                                          ------------------------
                                          Name  Stephen G. Marble
                                          Title  V.P.

         Accepted and agreed to.

                                       HARRIS N.A., as successor to Harris Trust
                                           and Savings Bank due to merger

                                       By /s/ Kathleen J. Collins
                                          ----------------------------------
                                          Name Kathleen J. Collins
                                               -----------------------------
                                          Title Vice President
                                               -----------------------------

                                      -3-
<PAGE>

                     GUARANTOR'S ACKNOWLEDGEMENT AND CONSENT

         The undersigned,  Sun Capital Partners II, LP, heretofore  executed and
delivered  to  the  Bank  a  Guaranty  dated  May  16,  2003,  as  amended  (the
"Guaranty").  The  undersigned  hereby  consents  to the  Amendment  to the Loan
Agreement  as set forth  above and  confirms  that the  Guaranty  and all of the
undersigned's  obligations  thereunder  remain  in full  force and  effect.  The
undersigned  further  agrees that the consent of the  undersigned to any further
amendments  to the Loan  Agreement  shall  not be  required  as a result of this
consent  having been  obtained,  except to the extent,  if any,  required by the
Guaranty.

                                          SUN CAPITAL PARTNERS II, LP

                                          By:Sun Capital A dvisors II, LP
                                          Its: General Partner

                                                By:   Sun Capital Partners, LLC
                                                Its:  General Partner

                                                By:  /s/ Marc J. Leder
                                                      Name:  Marc J. Leder
                                                      Its:  CO-CEO

<PAGE>

                                    EXHIBIT A

                                   DEMAND NOTE

$11,500,000                                                         June 3, 2005

         ON DEMAND, for value received, the undersigned,  SAN HOLDINGS,  INC., a
Colorado corporation,  promises to pay to the order of HARRIS N.A., as successor
to Harris  Trust and Savings  Bank due to merger (the  "Bank") at its offices at
111 West Monroe Street,  Chicago,  Illinois, the principal sum of Eleven Million
Five Hundred Thousand Dollars  ($11,500,000) or, if less, the amount outstanding
under the Harris Loan  Authorization  Agreement  referred to below together with
interest  payable  at the times and at the rates and in the  manner set forth in
the Harris Loan Authorization Agreement referred to below.

         This Note evidences  borrowings by the  undersigned  under that certain
Harris  Loan  Authorization  Agreement  dated as of May 16,  2003,  between  the
undersigned and the Bank, as the same may be amended from time to time; and this
Note and the holder  hereof are entitled to all the benefits  provided for under
the Harris Loan Authorization Agreement, to which reference is hereby made for a
statement  thereof.  The  undersigned  hereby waives  presentment  and notice of
dishonor. The undersigned agrees to pay to the holder hereof all court costs and
other reasonable expenses,  legal or otherwise,  incurred or paid by such holder
in connection  with the collection of this Note. It is agreed that this Note and
the rights and remedies of the holder  hereof  shall be construed in  accordance
with and governed by the laws of the State of Illinois.

         This Note is issued in substitution  and replacement for, and evidences
indebtedness  previously  evidenced by, that certain Note of SAN Holdings,  Inc.
dated  February 16, 2005,  payable to the Bank in the face  principal  amount of
$10,000,000.

                                                SAN HOLDINGS, INC.

                                                By:  /s/ Stephen G. Marble
                                                     Name:  Stephen G. Marble
                                                     Its  V.P.

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