Exhibit 10.1

Supplement to Exhibit A to the
Membership Interest Purchase Agreement, dated as of August 14, 2009.

Exhibit — A
Earnout Formula

A four year earn-out covering earnings before interest, taxes, depreciation and amortization (“EBITDA”) of the Company (which includes all business and activities of the Company including, without limitation, all business and activities which may be transferred from the Company to another entity or which are otherwise conducted in another entity) for each Earnout Year) EBITDA for each Earnout Year shall be computed in accordance with generally accepted accounting principles consistently applied and interpreted except that (i) amortization shall not include any amortization attributable to software developed by the Company or otherwise in any Earnout Year, and (ii) no deduction shall be made for overhead, management or similar charges except to the extent agreed to in writing by Sole Member prior to such expense being incurred. A loss or negative EBITDA for one Earnout Year shall not reduce or otherwise affect EBITDA in another Earnout Year. EBITDA exceeding $1.4 Million for each of the four measurement years shall