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NOTE A – General Business Description We are a leading provider of on-demand supply chain management solutions and the Retail Universe community, providing integration, collaboration, connectivity, visibility and data analytics to thousands of customers worldwide. We provide our solutions through SPSCommerce.net, a hosted software suite that improves the way suppliers, retailers, distributors and other customers manage and fulfill orders. We deliver our solutions to our customers over the Internet using a Software-as-a-Service model and derive the majority of our revenues from thousands of monthly recurring subscriptions from businesses that utilize our solutions. Basis of Presentation The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, these condensed consolidated financial statements do not include all of the information and footnotes required by GAAP. We have included all normal recurring adjustments considered necessary to give a fair statement of our financial position, results of operations and cash flows for the interim periods shown. Operating results for these interim periods are not necessarily indicative of the results to be expected for the full year. The December 31, 2011 balance sheet data was derived from our audited financial statements at that date. For further information, refer to the consolidated financial statements and accompanying notes for the year ended December 31, 2011 included in our Annual Report on Form 10-K as filed with the Securities and Exchange Commission on March 9, 2012. Use of Estimates Preparing financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates. Significant Accounting Policies During the three months ended March 31, 2012, there were no material changes in our significant accounting policies. See Note A to the consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2011, as filed with the Securities and Exchange Commission on March 9, 2012, for additional information regarding our significant accounting policies. Recent Accounting Pronouncements We have evaluated all recent accounting pronouncements and believe that none of them will have a material effect on our consolidated financial statements.

NOTE B – Financial Statement Components Intangible Assets, net Intangible assets included the following (in thousands):   <table cellspacing="0" cellpadding="0" width="100%" border="0" style="border-collapse:collapse; text-align: left" align="center">  <tr> <td width="58%"> </td> <td valign="bottom" width="2%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="2%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="2%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="2%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="2%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="2%"> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="10" align="center" style="border-bottom:1px solid #000000">March 31, 2012</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="10" align="center" style="border-bottom:1px solid #000000">December 31, 2011</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2" align="center" style="border-bottom:1px solid #000000">Carrying Amount</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2" align="center" style="border-bottom:1px solid #000000">Accumulated Amortization</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2" align="center" style="border-bottom:1px solid #000000">Net</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2" align="center" style="border-bottom:1px solid #000000">Carrying Amount</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2" align="center" style="border-bottom:1px solid #000000">Accumulated Amortization</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2" align="center" style="border-bottom:1px solid #000000">Net</td> <td valign="bottom"> </td> </tr>   <tr bgcolor="#cceeff"> <td valign="top"> Subscriber relationships </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">7,180</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(2,581</td> <td nowrap="nowrap" valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4,599</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">7,180</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(2,394</td> <td nowrap="nowrap" valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4,786</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr> <td valign="top"> Non-competition agreements </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,450</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(542</td> <td nowrap="nowrap" valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">908</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,450</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(469</td> <td nowrap="nowrap" valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">981</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr style="font-size:1px"> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr bgcolor="#cceeff"> <td valign="top"> </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">8,630</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(3,123</td> <td nowrap="nowrap" valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">5,507</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">8,630</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(2,863</td> <td nowrap="nowrap" valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">5,767</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr style="font-size:1px"> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr>  </table> Amortization expense for intangible assets was $260,000 for the three months ended March 31, 2012. There was no amortization expense for the three months ended March 31, 2011.

NOTE C – Line of Credit We have a revolving credit agreement with JPMorgan Chase Bank, N.A. which provides for a $20 million revolving credit facility that we may draw upon from time to time, subject to certain terms and conditions, and will mature on September 30, 2016. There were no borrowings outstanding at March 31, 2012 and we were in compliance with all covenants under the revolving credit agreement as of that date.

NOTE D – Commitments and Contingencies Operating Leases On February 14, 2012, we executed a new lease agreement for our current headquarters location which commences on November 1, 2012 and expires on April 30, 2020. The lease includes additional square footage upon commencement, an automatic expansion of space on or about September 1, 2013, a right of first offer to lease certain additional space, and two options to extend the term of the lease for three years at a market rate determined in accordance with the lease. We will also have a rent holiday from November 2012 to October 2013 which will be incorporated into our deferred rent calculation upon commencement of the lease. In connection with this new lease, we will deliver to the landlord cash or an irrevocable letter of credit for approximately $172,000, subject to increase based on square footage expansion, as security for performance of our obligations under the lease. At March 31, 2012, our future minimum payments under operating leases were as follows (in thousands):   <table cellspacing="0" cellpadding="0" width="68%" border="0" style="border-collapse:collapse; text-align: left" align="center">  <tr> <td width="88%"> </td> <td valign="bottom" width="6%"> </td> <td> </td> <td> </td> <td> </td> </tr>   <tr bgcolor="#cceeff"> <td valign="top"> Remainder of 2012 </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">705</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr> <td valign="top"> 2013 </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">306</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr bgcolor="#cceeff"> <td valign="top"> 2014 </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,283</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr> <td valign="top"> 2015 </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,391</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr bgcolor="#cceeff"> <td valign="top"> 2016 </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,500</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr> <td valign="top"> Thereafter </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">9,246</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr style="font-size:1px"> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr bgcolor="#cceeff"> <td valign="top"> </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">17,431</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr style="font-size:1px"> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr>  </table>

NOTE E – Stock-Based Compensation Our equity compensation plans provide for the grant of incentive and nonqualified stock options, as well as other stock-based awards, to employees, non-employee directors and other consultants who provide services to us. Stock options generally vest over three to four years and have a contractual term of eight to ten years from the date of grant. At March 31, 2012, there were approximately 1,141,000 shares available for grant under approved equity compensation plans.   We recorded stock-based compensation expense of $612,000 and $312,000 for the three months ended March 31, 2012 and 2011, respectively. This expense was allocated as follows (in thousands):   <table cellspacing="0" cellpadding="0" width="76%" border="0" style="border-collapse:collapse; text-align: left" align="center">  <tr> <td width="84%"> </td> <td valign="bottom" width="5%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="5%"> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="6" align="center" style="border-bottom:1px solid #000000">Three Months Ended March 31,</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2" align="center" style="border-bottom:1px solid #000000">2012</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2" align="center" style="border-bottom:1px solid #000000">2011</td> <td valign="bottom"> </td> </tr>   <tr bgcolor="#cceeff"> <td valign="top"> Cost of revenues </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">98</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">46</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr> <td valign="top"> Operating expenses </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> </tr> <tr bgcolor="#cceeff"> <td valign="top"> Sales and marketing </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">178</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">89</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr> <td valign="top"> Research and development </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">22</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">7</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr bgcolor="#cceeff"> <td valign="top"> General and administrative </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">314</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">170</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr style="font-size:1px"> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr> <td valign="top"> Total stock-based compensation expense </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">612</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">312</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr style="font-size:1px"> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr>  </table> As of March 31, 2012, there was approximately $7.2 million of unrecognized stock-based compensation expense under our equity compensation plans, which is expected to be recognized on a straight line basis over a weighted average period of approximately two years. Stock Options Our stock option activity was as follows:   <table cellspacing="0" cellpadding="0" width="76%" border="0" style="border-collapse:collapse; text-align: left" align="center">  <tr> <td width="72%"> </td> <td valign="bottom" width="8%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="8%"> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom"> </td> <td colspan="2" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2" align="center">Weighted Average</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2" align="center">Options</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2" align="center">Exercise Price</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2" align="center" style="border-bottom:1px solid #000000">(#)</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2" align="center" style="border-bottom:1px solid #000000">($/share)</td> <td valign="bottom"> </td> </tr>   <tr bgcolor="#cceeff"> <td valign="top"> Outstanding at December 31, 2011 </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,669,409</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">8.14</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr> <td valign="top"> Granted </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">185,239</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">25.32</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr bgcolor="#cceeff"> <td valign="top"> Exercised </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(48,057</td> <td nowrap="nowrap" valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1.92</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr> <td valign="top"> Forfeited </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr style="font-size:1px"> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> </tr> <tr bgcolor="#cceeff"> <td valign="top"> Outstanding at March 31, 2012 </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,806,591</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">10.07</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr style="font-size:1px"> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> </tr>  </table> Of the total outstanding options at March 31, 2012, 1,004,350 were exercisable with a weighted average exercise price of $4.33 per share. The total outstanding options had a weighted average remaining contractual life of 6.4 years. The weighted average fair value per share of options granted during the first three months of 2012 was $10.02 and this was estimated on the date of grant using the Black-Scholes option pricing model with the following assumptions:   <table cellspacing="0" cellpadding="0" width="68%" border="0" style="border-collapse:collapse; text-align: left" align="center">  <tr> <td width="92%"> </td> <td valign="bottom" width="6%"> </td> <td> </td> <td> </td> <td> </td> </tr>   <tr bgcolor="#cceeff"> <td valign="top"> Weighted-average volatility </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">46.0</td> <td nowrap="nowrap" valign="bottom">% </td> </tr> <tr> <td valign="top"> Expected dividend yield </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">0</td> <td nowrap="nowrap" valign="bottom">% </td> </tr> <tr bgcolor="#cceeff"> <td valign="top"> Expected life (in years) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">4.75</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr> <td valign="top"> Weighted-average risk-free interest rate </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">0.81</td> <td nowrap="nowrap" valign="bottom">% </td> </tr>  </table> Restricted Stock Units During the three months ended March 31, 2012, we granted 62,367 restricted stock units with a grant date fair value of $25.32 per share. These restricted stock units vest over a four year period and, upon vesting, the holder is entitled to receive shares of our common stock.

NOTE F – Income Taxes We recorded a provision for income taxes of $153,000 and $29,000 for the three months ended March 31, 2012 and 2011, respectively. We record our interim provision for income taxes based on our estimated annual effective tax rate for the year. Our provisions for income taxes included current federal alternative minimum tax expense and current foreign and state income tax expense. In addition, our provision for income taxes for the three months ended March 31, 2012 included deferred tax expense. For periods prior to the fourth quarter of 2011, a full valuation allowance was recorded against all of our deferred tax assets as it was more-likely-than-not that we would not realize these deferred tax assets, largely due to our history of taxable losses since inception. Based on our assessment during the fourth quarter of 2011, we determined that it was more-likely-than-not that we would be able to realize approximately $12.8 million of our deferred tax assets, which enabled us to release a substantial portion of the valuation allowance previously recorded. This determination was based on weighing both the positive and negative evidence available including, but not limited to, our earnings history, our projected future taxable income, our business strategy and the nature of each of our deferred tax assets. We are subject to income taxes in the U.S. federal and various state and international jurisdictions. As of March 31, 2012, we are generally subject to tax examinations for all prior years due to our net operating loss carryforwards. As of March 31, 2012, we do not have any unrecognized tax benefits. It is our practice to recognize interest and penalties accrued on any unrecognized tax benefits as a component of income tax expense. We do not expect any material changes in our unrecognized tax positions over the next 12 months.

NOTE G – Net Income per Share Basic net income per share has been computed using the weighted average number of shares of common stock outstanding during each period. Diluted net income per share also includes the impact of our outstanding potential common shares, including options and restricted stock units. Potential common shares that are anti-dilutive are excluded from the calculation of diluted net income per share. The following table presents the components of the computation of basic and diluted net income per share for the periods indicated (in thousands, except per share amounts):   <table cellspacing="0" cellpadding="0" width="76%" border="0" style="border-collapse:collapse; text-align: left" align="center">  <tr> <td width="80%"> </td> <td valign="bottom" width="7%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="7%"> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="6" align="center">Three Months Ended</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="6" align="center" style="border-bottom:1px solid #000000">March 31,</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2" align="center" style="border-bottom:1px solid #000000">2012</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2" align="center" style="border-bottom:1px solid #000000">2011</td> <td valign="bottom"> </td> </tr>   <tr bgcolor="#cceeff"> <td valign="top"> Numerator </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> </tr> <tr> <td valign="top"> Net income </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">256</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">492</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr style="font-size:1px"> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr bgcolor="#cceeff"> <td valign="top"> Denominator </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> </tr> <tr> <td valign="top"> Weighted average common shares outstanding, basic </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">12,163</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">11,864</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr bgcolor="#cceeff"> <td valign="top"> Options to purchase common stock </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">988</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">834</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr> <td valign="top"> Restricted stock units </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">34</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr style="font-size:1px"> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr bgcolor="#cceeff"> <td valign="top"> Weighted average common shares outstanding, diluted </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">13,185</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">12,698</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr style="font-size:1px"> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr> <td valign="top"> Net income per share </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> </tr> <tr bgcolor="#cceeff"> <td valign="top"> Basic </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">0.02</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">0.04</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr style="font-size:1px"> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr> <td valign="top"> Diluted </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">0.02</td> <td nowrap="nowrap" valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">0.04</td> <td nowrap="nowrap" valign="bottom"> </td> </tr> <tr style="font-size:1px"> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr>  </table> For the three months ended March 31, 2012, all outstanding potential common shares were included in the calculation of diluted net income per share. For the three months ended March 31, 2011, the effect of approximately 235,000 outstanding potential common shares was excluded from the calculation of diluted net income per share because they were anti-dilutive.