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| <NonNumbericText> <!--DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" --> <!-- Begin Block Tagged Note 4 - us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock--> <div style="font-family: 'Times New Roman',Times,serif; margin-left: 0in; "> <div align="left" style="font-size: 10pt; margin-top: 10pt"><b>4. Retirement Plans and Other Benefits</b> </div> <div align="left" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">Pinnacle West sponsors a qualified defined benefit and account balance pension plan, a non-qualified supplemental excess benefit retirement plan, and other postretirement benefit plans for the employees of Pinnacle West and our subsidiaries. Pinnacle West uses a December 31 measurement date for its pension and other postretirement benefit plans. The market-related value of our plan assets is their fair value at the measurement date. </div> <div align="left" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">On March 23, 2010, the President signed into law comprehensive health care reform legislation under the Patient Protection and Affordable Care Act (the “Act”). One feature of the Act is the elimination of the tax deduction for prescription drug costs that are reimbursed as part of the Medicare Part D subsidy. Although this tax increase does not take effect until 2013, we are required to recognize the full accounting impact in our financial statements in the period in which the Act is signed. In accordance with accounting for regulated companies, the loss of this deduction is substantially offset by a regulatory asset that will be recovered through future electric revenues. In the first quarter of 2010, Pinnacle West charged regulatory assets and liabilities for a total of $42 million, with a corresponding increase in accumulated deferred income tax liabilities, to reflect the impact of this change in tax law. </div> <!-- Folio --> <!-- /Folio --> </div> <!-- PAGEBREAK --> <div style="font-family: 'Times New Roman',Times,serif; margin-left: 0in; "> <div align="center" style="font-size: 10pt; margin-top: 0pt"> <b> </b> </div> <div align="left" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">The following table provides details of the plans’ net periodic benefit costs and the portion of these costs charged to expense (including administrative costs and excluding amounts capitalized as overhead construction or billed to electric plant participants) (dollars in millions): </div> <div align="center"> <table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%"> <!-- Begin Table Head --> <tr valign="bottom"> <td width="20%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="5%"> </td> <td width="1%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="5%"> </td> <td width="1%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="5%"> </td> <td width="1%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="5%"> </td> <td width="1%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="5%"> </td> <td width="1%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="5%"> </td> <td width="1%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="5%"> </td> <td width="1%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="5%"> </td> <td width="1%"> </td> </tr> <tr style="font-size: 10pt" valign="bottom"> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="14" style="border-bottom: 1px solid #000000">Pension Benefits</td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="14" style="border-bottom: 1px solid #000000">Other Benefits</td> <td> </td> </tr> <tr style="font-size: 10pt" valign="bottom"> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="6">Three Months</td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="6">Six Months</td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="6">Three Months</td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="6">Six Months</td> <td> </td> </tr> <tr style="font-size: 10pt" valign="bottom"> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="6" style="border-bottom: 1px solid #000000">Ended June 30,</td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="6" style="border-bottom: 1px solid #000000">Ended June 30,</td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="6" style="border-bottom: 1px solid #000000">Ended June 30,</td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="6" style="border-bottom: 1px solid #000000">Ended June 30,</td> <td> </td> </tr> <tr style="font-size: 10pt" valign="bottom"> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000">2010</td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000">2009</td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000">2010</td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000">2009</td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000">2010</td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000">2009</td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000">2010</td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000">2009</td> <td> </td> </tr> <!-- End Table Head --> <!-- Begin Table Body --> <tr valign="bottom" style="background: #cceeff"> <td> <div style="margin-left:15px; text-indent:-15px">Service cost — benefits earned during the period </div></td> <td> </td> <td align="left">$</td> <td align="right">13</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">13</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">28</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">27</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">5</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">4</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">10</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">9</td> <td> </td> </tr> <tr valign="bottom"> <td> <div style="margin-left:15px; text-indent:-15px">Interest cost on benefit obligation </div></td> <td> </td> <td> </td> <td align="right">30</td> <td> </td> <td> </td> <td> </td> <td align="right">30</td> <td> </td> <td> </td> <td> </td> <td align="right">61</td> <td> </td> <td> </td> <td> </td> <td align="right">59</td> <td> </td> <td> </td> <td> </td> <td align="right">10</td> <td> </td> <td> </td> <td> </td> <td align="right">9</td> <td> </td> <td> </td> <td> </td> <td align="right">21</td> <td> </td> <td> </td> <td> </td> <td align="right">19</td> <td> </td> </tr> <tr valign="bottom" style="background: #cceeff"> <td> <div style="margin-left:15px; text-indent:-15px">Expected return on plan assets </div></td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right">(31</td> <td nowrap="nowrap">)</td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right">(29</td> <td nowrap="nowrap">)</td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right">(62</td> <td nowrap="nowrap">)</td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right">(58</td> <td nowrap="nowrap">)</td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right">(10</td> <td nowrap="nowrap">)</td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right">(8</td> <td nowrap="nowrap">)</td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right">(20</td> <td nowrap="nowrap">)</td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right">(17</td> <td nowrap="nowrap">)</td> </tr> <tr valign="bottom"> <td> <div style="margin-left:15px; text-indent:-15px">Amortization of: </div></td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr valign="bottom" style="background: #cceeff"> <td> <div style="margin-left:30px; text-indent:-15px">Transition obligation </div></td> <td> </td> <td> </td> <td align="right">—</td> <td> </td> <td> </td> <td> </td> <td align="right">—</td> <td> </td> <td> </td> <td> </td> <td align="right">—</td> <td> </td> <td> </td> <td> </td> <td align="right">—</td> <td> </td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right">(1</td> <td nowrap="nowrap">)</td> <td> </td> <td> </td> <td align="right">1</td> <td> </td> <td> </td> <td> </td> <td align="right">—</td> <td> </td> <td> </td> <td> </td> <td align="right">2</td> <td> </td> </tr> <tr valign="bottom"> <td> <div style="margin-left:30px; text-indent:-15px">Prior service cost </div></td> <td> </td> <td> </td> <td align="right">—</td> <td> </td> <td> </td> <td> </td> <td align="right">—</td> <td> </td> <td> </td> <td> </td> <td align="right">1</td> <td> </td> <td> </td> <td> </td> <td align="right">1</td> <td> </td> <td> </td> <td> </td> <td align="right">—</td> <td> </td> <td> </td> <td> </td> <td align="right">—</td> <td> </td> <td> </td> <td> </td> <td align="right">—</td> <td> </td> <td> </td> <td> </td> <td align="right">—</td> <td> </td> </tr> <tr valign="bottom" style="background: #cceeff"> <td> <div style="margin-left:30px; text-indent:-15px">Net actuarial loss </div></td> <td> </td> <td> </td> <td align="right">4</td> <td> </td> <td> </td> <td> </td> <td align="right">4</td> <td> </td> <td> </td> <td> </td> <td align="right">10</td> <td> </td> <td> </td> <td> </td> <td align="right">7</td> <td> </td> <td> </td> <td> </td> <td align="right">2</td> <td> </td> <td> </td> <td> </td> <td align="right">2</td> <td> </td> <td> </td> <td> </td> <td align="right">5</td> <td> </td> <td> </td> <td> </td> <td align="right">5</td> <td> </td> </tr> <tr style="font-size: 1px"> <td> <div style="margin-left:15px; text-indent:-15px"> </div></td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td> <td> </td> </tr> <tr valign="bottom"> <td> <div style="margin-left:15px; 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text-indent:-15px">Portion of cost charged to expense </div></td> <td> </td> <td align="left">$</td> <td align="right">8</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">9</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">19</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">17</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">3</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">4</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">8</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">9</td> <td> </td> </tr> <tr style="font-size: 1px"> <td> <div style="margin-left:15px; text-indent:-15px"> </div></td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> </tr> <tr valign="bottom"> <td> <div style="margin-left:15px; text-indent:-15px">APS’ share of cost charged to expense </div></td> <td> </td> <td align="left">$</td> <td align="right">8</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">8</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">19</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">16</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">3</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">4</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">8</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">8</td> <td> </td> </tr> <tr style="font-size: 1px"> <td> <div style="margin-left:15px; text-indent:-15px"> </div></td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> </tr> <!-- End Table Body --> </table> </div> <div align="left" style="font-size: 10pt; margin-top: 10pt"><b>Contributions</b> </div> <div align="left" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">The required minimum contribution to our pension plan is zero in 2010. During the first quarter of 2010, we made a voluntary contribution of $100 million to our pension plan. The contribution to our other postretirement benefit plans in 2010 is estimated to be approximately $15 million. APS and other subsidiaries fund their share of the contributions. APS’ share is approximately 98% of both plans. </div> </div> </NonNumbericText> |
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