Exhibit 10.07
GUARANTY
March 31, 2006
Wachovia Capital Finance Corporation (Western)
251 South Lake Avenue, Suite 900
Pasadena, California 91101
Re: ECOST.COM, INC., a Delaware corporation (Borrower)
Ladies and Gentlemen:
Wachovia Capital Finance Corporation (Western) (Lender) and Borrower have entered
into certain financing arrangements pursuant to which Lender may make loans and advances and
provide other financial accommodations to Borrower as set forth in the Loan and Security Agreement,
dated August 3, 2004 as amended, by and between Borrower and Lender (as the same now exists or may
hereafter be amended, modified, supplemented, extended, renewed, restated or replaced, the
Loan Agreement), and other agreements, documents and instruments referred to therein or
at any time executed and/or delivered in connection therewith or related thereto, including, but
not limited to, this Guaranty (all of the foregoing, together with the Loan Agreement, as the same
now exist or may hereafter be amended, modified, supplemented, extended, renewed, restated or
replaced, being collectively referred to herein as the Financing Agreements).
Due to the close business and financial relationships
between Borrower and the undersigned
(Guarantor), in consideration of the benefits which will accrue to Guarantor and as an
inducement for and in consideration of Lender making loans and advances and providing other
financial accommodations to Borrower pursuant to the Loan Agreement and the other Financing
Agreements, Guarantor hereby agrees in favor of Lender as follows:
1. Guaranty.
(a) Guarantor absolutely and unconditionally guarantees and agrees to be liable for the full
and indefeasible payment and performance when due of the following (all of which are collectively
referred to herein as the Guaranteed Obligations): (i) all obligations, liabilities and
indebtedness of any kind, nature and description of Borrower to Lender and/or its affiliates,
including principal, interest, charges, fees, costs and expenses, however evidenced, whether as
principal, surety, endorser, guarantor or otherwise, whether arising under the Loan Agreement, the
other Financing Agreements or otherwise, whether now existing or hereafter arising, whether arising
before, during or after the initial or any renewal term of the Loan Agreement or after the
commencement of any case with respect to Borrower under the United States Bankruptcy Code or any
similar statute (including, without limitation, the payment of interest and other amounts, which
would accrue and become due but for the commencement of such case, whether or not such amounts are
allowed or allowable in whole or in part in any such case and including loans, interest, fees,
charges and expenses related thereto and all other obligations of Borrower or its successors to
Lender arising after the commencement of such