PROMISSORY NOTE

$2,000 October 4, 2011

FOR GOOD AND VALUABLE CONSIDERATION, the receipt and sufficiency of which is
hereby acknowledged, SOI Nevada, LLC, a Nevada limited liability company,
(“Maker”) hereby promises to pay to the order of Sterling Hamilton (“Holder”)
the sum of TWO THOUSAND DOLLARS ($2,000). This Note shall bear interest at the
rate of six percent (6%) per annum. All principal and interest due hereunder
shall be paid on or before October 4, 2013.

Maker hereby waives presentment, dishonor, notice of dishonor and protest. All
parties hereto consent to, and Holder is expressly authorized to make, without
notice, any and all renewals, extensions, modifications, or waivers of the time
for or the terms of payment of any sum or sums due hereunder, or under any
documents or instruments relating to or securing this Note, or of the
performance of any covenants, conditions or agreements hereof or thereof or the
taking or release of collateral securing this Note. Any such action by Holder
shall not discharge the liability of any party to this Note.

This Note shall be governed by and construed in accordance with the laws of the
State of Nevada without regard to conflict of law principles. Maker shall also
pay Holder any and all costs of collection incurred in connection with this
Note, including court costs and reasonable attorney’s fees.

SOI Nevada, LLC

By: /s/ Sterling Hamilton

Sterling Hamilton, Manager