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<div>
<p style="margin-top: 18px; margin-bottom: 0px;"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>7. Retirement Plans </b></font></p>
<p style="margin-top: 12px; text-indent: 4%; margin-bottom: 0px;" align="justify"><font style="font-family: Times New Roman;" class="_mt" size="2"><i>Riverside Defined Benefit Plans. </i>Approximately 600 employees and retirees of our subsidiary, Riverside Cement Company, are covered by a defined benefit pension plan and a postretirement health benefit plan. Unrecognized prior service costs and actuarial gains or losses for these plans are recognized in a systematic manner over the remaining service periods of active employees expected to receive benefits under these plans. The amount of the defined benefit pension plan and postretirement health benefit plan expense charged to costs and expenses for the three-month periods ended August 31, 2010 and August 31, 2009, was as follows: </font></p>
<p style="margin-top: 0px; margin-bottom: 0px; font-size: 12px;"> </p>
<table border="0" cellspacing="0" cellpadding="0" width="84%">
<tr><td width="60%"> </td>
<td valign="bottom" width="2%"> </td>
<td> </td>
<td> </td>
<td valign="bottom" width="2%"> </td>
<td> </td>
<td> </td>
<td valign="bottom" width="2%"> </td>
<td> </td>
<td> </td>
<td valign="bottom" width="2%"> </td>
<td> </td>
<td> </td>
<td valign="bottom" width="2%"> </td>
<td> </td>
<td> </td>
<td valign="bottom" width="2%"> </td>
<td> </td>
<td> </td>
<td valign="bottom" width="2%"> </td>
<td> </td>
<td> </td>
<td valign="bottom" width="2%"> </td>
<td> </td>
<td> </td></tr>
<tr><td style="border-top: #000000 1px solid;" valign="bottom"> <font class="_mt" size="1"> </font></td>
<td style="border-top: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-top: #000000 1px solid;" valign="bottom" colspan="2"> <font class="_mt" size="1"> </font></td>
<td style="border-top: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-top: #000000 1px solid;" valign="bottom" colspan="7" align="center"><font style="font-family: Times New Roman;" class="_mt" size="2">Pension Benefit</font></td>
<td style="border-top: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-top: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-top: #000000 1px solid;" valign="bottom" colspan="2"> <font class="_mt" size="1"> </font></td>
<td style="border-top: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-top: #000000 1px solid;" valign="bottom" colspan="7" align="center"><font style="font-family: Times New Roman;" class="_mt" size="2">Health Benefit</font></td>
<td style="border-top: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td></tr>
<tr><td style="border-bottom: #000000 1px solid;" valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">In thousands</font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2"> <font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom" align="center"><font style="font-family: Times New Roman;" class="_mt" size="2">2010</font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2"> <font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom" align="center"><font style="font-family: Times New Roman;" class="_mt" size="2">2009</font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2"> <font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom" align="center"><font style="font-family: Times New Roman;" class="_mt" size="2">2010</font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2"> <font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom" align="center"><font style="font-family: Times New Roman;" class="_mt" size="2">2009</font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td></tr>
<tr><td height="8"> </td>
<td height="8" colspan="3"> </td>
<td height="8" colspan="3"> </td>
<td height="8" colspan="3"> </td>
<td height="8" colspan="3"> </td>
<td height="8" colspan="3"> </td>
<td height="8" colspan="3"> </td>
<td height="8" colspan="3"> </td>
<td height="8" colspan="3"> </td></tr>
<tr bgcolor="#cceeff"><td valign="top">
<p style="text-indent: -1em; margin-left: 2em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Service cost</font></p></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">125</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">114</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">28</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">27</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td></tr>
<tr><td valign="top">
<p style="text-indent: -1em; margin-left: 2em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Interest cost</font></p></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">738</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">791</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">106</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">116</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td></tr>
<tr bgcolor="#cceeff"><td valign="top">
<p style="text-indent: -1em; margin-left: 2em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Expected return on plan assets</font></p></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">(685</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">) </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">(585</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">) </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">-- </font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">-- </font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td></tr>
<tr><td valign="top">
<p style="text-indent: -1em; margin-left: 2em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Amortization of prior service cost</font></p></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">-- </font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">-- </font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">(194</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">) </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">(194</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">) </font></td></tr>
<tr bgcolor="#cceeff"><td valign="top">
<p style="text-indent: -1em; margin-left: 2em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Amortization of net actuarial loss</font></p></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">517</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">500</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">154</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">151</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td></tr>
<tr style="font-size: 1px;"><td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td style="border-top: #000000 1px solid;" valign="bottom"> </td>
<td> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td style="border-top: #000000 1px solid;" valign="bottom"> </td>
<td> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td style="border-top: #000000 1px solid;" valign="bottom"> </td>
<td> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td style="border-top: #000000 1px solid;" valign="bottom"> </td>
<td> </td></tr>
<tr><td valign="top"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">695</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">820</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">94</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">100</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td></tr>
<tr style="font-size: 1px;"><td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td style="border-top: #000000 3px double;" valign="bottom"> </td>
<td> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td style="border-top: #000000 3px double;" valign="bottom"> </td>
<td> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td style="border-top: #000000 3px double;" valign="bottom"> </td>
<td> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td style="border-top: #000000 3px double;" valign="bottom"> </td>
<td> </td></tr></table>
<p style="margin-top: 12px; text-indent: 4%; margin-bottom: 0px;" align="justify"><font style="font-family: Times New Roman;" class="_mt" size="2"><i>Financial Security Defined Benefit Plans. </i>We have a series of financial security plans that are non-qualified defined benefit plans providing retirement and death benefits to substantially all of our executive and key managerial employees. The plans are contributory but not funded. Actuarial gains or losses are recognized when incurred. The amount of financial security plan benefit expense charged to costs and expenses for the three-month periods ended August 31, 2010 and August 31, 2009, was as follows: </font></p>
<p style="margin-top: 0px; margin-bottom: 0px; font-size: 12px;"> </p>
<table border="0" cellspacing="0" cellpadding="0" width="84%">
<tr><td width="80%"> </td>
<td valign="bottom" width="3%"> </td>
<td> </td>
<td> </td>
<td valign="bottom" width="3%"> </td>
<td> </td>
<td> </td>
<td valign="bottom" width="3%"> </td>
<td> </td>
<td> </td>
<td valign="bottom" width="3%"> </td>
<td> </td>
<td> </td></tr>
<tr><td style="border-top: #000000 1px solid;" valign="bottom"> <font class="_mt" size="1"> </font></td>
<td style="border-top: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-top: #000000 1px solid;" valign="bottom" colspan="2"> <font class="_mt" size="1"> </font></td>
<td style="border-top: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-top: #000000 1px solid;" valign="bottom" colspan="7" align="center"><font style="font-family: Times New Roman;" class="_mt" size="2">FSP Benefit</font></td>
<td style="border-top: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td></tr>
<tr><td style="border-bottom: #000000 1px solid;" valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">In thousands</font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2"> <font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom" align="center"><font style="font-family: Times New Roman;" class="_mt" size="2">2010</font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2"> <font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom" align="center"><font style="font-family: Times New Roman;" class="_mt" size="2">2009</font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1"> </font></td></tr>
<tr><td height="8"> </td>
<td height="8" colspan="3"> </td>
<td height="8" colspan="3"> </td>
<td height="8" colspan="3"> </td>
<td height="8" colspan="3"> </td></tr>
<tr bgcolor="#cceeff"><td valign="top">
<p style="text-indent: -1em; margin-left: 2em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Service cost</font></p></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">472</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">469</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td></tr>
<tr><td valign="top">
<p style="text-indent: -1em; margin-left: 2em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Interest cost</font></p></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">525</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">561</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td></tr>
<tr bgcolor="#cceeff"><td valign="top">
<p style="text-indent: -1em; margin-left: 2em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Recognized actuarial loss adjustment</font></p></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">131</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">-- </font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td></tr>
<tr><td valign="top">
<p style="text-indent: -1em; margin-left: 2em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Participant contributions</font></p></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">(92</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">) </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">(95</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">) </font></td></tr>
<tr style="font-size: 1px;"><td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td style="border-top: #000000 1px solid;" valign="bottom"> </td>
<td> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td style="border-top: #000000 1px solid;" valign="bottom"> </td>
<td> </td></tr>
<tr bgcolor="#cceeff"><td valign="top"> </td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">1,036</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">935</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td></tr>
<tr style="font-size: 1px;"><td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td style="border-top: #000000 3px double;" valign="bottom"> </td>
<td> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td valign="bottom"> </td>
<td style="border-top: #000000 3px double;" valign="bottom"> </td>
<td> </td></tr></table> </div>
7. Retirement Plans
Riverside Defined Benefit Plans. Approximately 600 employees and retirees of our subsidiary, Riverside Cement Company, are covered by a
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