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<PERIOD>20040312
<ITEMS>5
<ITEMS>7
<FILING-DATE>20040315
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>AMERICAN PACIFIC CORP
<CIK>0000350832
<ASSIGNED-SIC>2810
<IRS-NUMBER>596490478
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>0930
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>001-08137
<FILM-NUMBER>04669165
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>3770 HOWARD HUGHES PKWY STE 300
<CITY>LAS VEGAS
<STATE>NV
<ZIP>89109
<PHONE>7027352200
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>3770 HOWARD HUGHES PKWY STE 300
<STREET2>3770 HOWARD HUGHES PKWY STE 300
<CITY>LAS VEGAS
<STATE>NV
<ZIP>89109
</MAIL-ADDRESS>
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<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>f97333e8vk.htm
<DESCRIPTION>8-K
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<P align="center"><FONT size="5"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION</B></FONT>

<DIV align="center"><FONT size="2"><B>Washington, DC 20549</B></FONT></DIV>

<P align="center"><FONT size="5"><B>FORM 8-K</B></FONT>

<P align="center"><FONT size="3"><B>CURRENT REPORT</B></FONT>

<DIV align="center"><FONT size="3"><B>Pursuant to Section&nbsp;13 OR 15(d) of The Securities Exchange Act of 1934</B></FONT></DIV>

<P align="center"><FONT size="2"><B>Date of Report (Date of earliest event reported): March&nbsp;12, 2004</B></FONT>

<P align="center"><FONT size="5"><B>American Pacific Corporation</B></FONT>


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<DIV align="center"><FONT size="2"><FONT size="2"><B>(Exact Name of Registrant as Specified in Charter)</B></FONT></FONT></DIV>

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    <TD align="center" valign="top"><FONT size="2"><B>Delaware</B></FONT></TD>
    <TD><FONT size="2">&nbsp;</FONT></TD>
    <TD align="center" valign="top"><FONT size="2">
<B>1-8137</B>
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    <TD><FONT size="2">&nbsp;</FONT></TD>
    <TD align="center" valign="top"><FONT size="2"><B>59-6490478</B></FONT></TD>
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    <TD align="center" valign="top"><FONT size="2"><B>(State or Other
Jurisdiction of<BR>
Incorporation)</B></FONT></TD>
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    <TD align="center" valign="top"><FONT size="2">
<B>(Commission File Number)</B>
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    <TD><FONT size="2">&nbsp;</FONT></TD>
    <TD align="center" valign="top"><FONT size="2"><B>(IRS Employer Identification No.)</B></FONT></TD>
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    <TD width="2%">&nbsp;</TD>
    <TD width="49%">&nbsp;</TD>
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    <TD align="center" valign="top"><FONT size="2"><B>3770 Howard Hughes Parkway, Suite&nbsp;300, Las Vegas, Nevada</B></FONT></TD>
    <TD><FONT size="2">&nbsp;</FONT></TD>
    <TD align="center" valign="bottom"><FONT size="2">
<B>89109</B></FONT></TD>
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<B>(Zip Code)</B></FONT></TD>
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<P align="center"><FONT size="2"><B>Registrant&#146;s telephone number, including area code: (702)&nbsp;735-2200</B></FONT>

<P align="center"><FONT size="2"><B>N/A</b></FONT>
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<DIV align="center"><FONT size="2"><b>(Former Name or Former Address, if Changed Since Last Report.)</B></FONT></DIV>

<P align="center"><FONT size="2">&nbsp;
</FONT>

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<A name="toc"><DIV align="CENTER" style="page-break-before:always"><U><B>TABLE OF CONTENTS</B></U></DIV></A>

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<TR><TD></TD><TD colspan="8"><A HREF="#000">Item&nbsp;5. Other Events and Regulation&nbsp;FD Disclosure.</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#001">Item&nbsp;7. Financial Statements and Exhibits.</A></TD></TR>
<TR><TD colspan="9"><A HREF="#002">SIGNATURES</A></TD></TR>
<TR><TD colspan="9"><A HREF="#003">EXHIBIT INDEX</A></TD></TR>
<TR><TD colspan="9"><A HREF="f97333exv99w1.htm">Exhibit 99.1</A></TD></TR>
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<!-- link2 "Item&nbsp;5. Other Events and Regulation&nbsp;FD Disclosure." -->
<DIV align="left"><A NAME="000"></A></DIV>
<P align="left"><FONT size="2"><B>Item&nbsp;5. Other Events and Regulation&nbsp;FD Disclosure.</B></FONT>

<P><FONT size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On March&nbsp;12, 2004, American Pacific Corporation (the &#147;Company&#148;) announced
via press release the resignation of the Company&#146;s Executive Vice President and
Chief Financial Officer, David N. Keys and the appointment of Seth Van Voorhees
as its new Chief Financial Officer. The full text of the press release is
attached hereto as Exhibit&nbsp;99.1 and incorporated herein by reference.
</FONT>
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<DIV align="left"><A NAME="001"></A></DIV>
<P align="left"><FONT size="2"><B>Item&nbsp;7. Financial Statements and Exhibits.</B></FONT>

<P>



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   <TD width="1%" align="right" nowrap><FONT size="2">(c)</FONT></TD>
   <TD width="1%" nowrap><FONT size="2">&nbsp;&nbsp;</FONT></TD>
   <TD width="98%"><FONT size="2">Exhibits.</FONT></TD>
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    <TD nowrap align="center"><FONT size="1"><B>Exhibit No.</B></FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD nowrap align="center"><FONT size="1"><B>Description</B></FONT></TD>
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    <TD valign="top"><FONT size="2">99.1</FONT></TD>
    <TD><FONT size="2">&nbsp;</FONT></TD>
    <TD align="left" valign="top"><FONT size="2">
Press Release issued by American Pacific Corporation dated March
12, 2004 regarding the resignation of its Executive Vice
President and Chief Financial Officer and appointment of its new
Chief Financial Officer.</FONT></TD>
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<P align="center"><FONT size="2">&nbsp;
</FONT>

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<P align="center"><FONT size="2"><B>SIGNATURES</B></FONT>

<P><FONT size="2">Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.
</FONT>

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    <TD><FONT size="2">&nbsp;</FONT></TD>
    <TD align="left" valign="top" colspan="3"><FONT size="2"><B>AMERICAN PACIFIC CORPORATION</B></FONT></TD>
</TR>
<TR><TD>&nbsp;</TD></TR>

<TR valign="bottom">
    <TD valign="top"><FONT size="2">Dated: March&nbsp;12, 2004</FONT></TD>
    <TD><FONT size="2">&nbsp;</FONT></TD>
    <TD align="left" valign="top"><FONT size="2">
By:
</FONT></TD>
    <TD><FONT size="2">&nbsp;</FONT></TD>
    <TD align="left" valign="top"><FONT size="2">/s/ John R. Gibson</FONT></TD>
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    <TD><FONT size="2">&nbsp;</FONT></TD>
    <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
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    <TD><FONT size="2">&nbsp;</FONT></TD>
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    <TD><FONT size="2">&nbsp;</FONT></TD>
    <TD align="left" valign="top"><FONT size="2">John R. Gibson<br>
<B>Chief Executive Officer &#038; President</B></FONT></TD>
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<P align="center"><FONT size="2">&nbsp;
</FONT>



<P align="center"><FONT size="2">&nbsp;
</FONT>

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<P align="center"><FONT size="2"><B>EXHIBIT INDEX</B></FONT>

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    <TD nowrap align="center"><FONT size="1"><B>Exhibit No.</B></FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD nowrap align="center"><FONT size="1"><B>Description</B></FONT></TD>
</TR>
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    <TD valign="top"><FONT size="2">99.1</FONT></TD>
    <TD><FONT size="2">&nbsp;</FONT></TD>
    <TD align="left" valign="top"><FONT size="2">
Press Release issued by American Pacific Corporation dated March
12, 2004 regarding the resignation of its Executive Vice
President and Chief Financial Officer and appointment of its new
Chief Financial Officer.</FONT></TD>
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<DESCRIPTION>EXHIBIT 99.1
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<P align="right"><FONT size="2">EXHIBIT 99.1</FONT>

<P align="center"><FONT size="2">&#091;AMERICAN PACIFIC CORPORATION NAME AND LOGO&#093;</FONT>

<P><FONT size="2">Contact: John R. Gibson &#151; Chairman, President and CEO &#151; 702/735-2200
</FONT>
<P><FONT size="2"><B>FOR IMMEDIATE RELEASE</B>
</FONT>
<P align="center"><FONT size="2"><B>AMERICAN PACIFIC EXECUTIVE APPOINTMENT &#150;<BR>
SETH VAN VOORHEES TO SUCCEED DAVID KEYS AS CFO</B></FONT>

<P><FONT size="2"><B>LAS VEGAS, NEVADA, March&nbsp;12, 2004 &#151; American Pacific Corporation (NASDAQ:
APFC) </B>today announced that its Chief Financial Officer, Executive Vice
President, Secretary and Treasurer, David N. Keys, has resigned as an officer
and director to pursue personal business interests. The company also announced
today that it has named Seth Van Voorhees, a long-time financial advisor to the
company, to replace Mr.&nbsp;Keys as CFO, effective immediately.
</FONT>

<P><FONT size="2">&#147;On behalf of the company, I want to thank
David for his services as CFO,&#148; said
John R. Gibson, Chairman, President and CEO of American Pacific. Mr.&nbsp;Gibson
comments that, &#147;David has been an energetic member of our executive team and
we wish him the best.&#148;
</FONT>
<P><FONT size="2">The new CFO, Mr.&nbsp;Van Voorhees, has held over the past 15 years various
investment banking positions specializing in the chemical and advanced
materials industries while employed at Merrill Lynch, PaineWebber/UBS Warburg,
Wasserstein Perella and most recently, Young &#038; Partners.
</FONT>
<P><FONT size="2">Mr.&nbsp;Van Voorhees holds a Ph.D. in chemistry from the University of Pennsylvania
and an MBA in finance from Columbia University.
</FONT>
<P><FONT size="2">&#147;Seth brings a complementary skill set to American Pacific both on the
financial and industry sides,&#148; commented Mr.&nbsp;Gibson. &#147;American Pacific has
successfully worked with Seth in the past. We are confident in his ability to
oversee the financial affairs of American Pacific,&#148; stated Mr.&nbsp;Gibson.
</FONT>

<P><FONT size="2">American Pacific Corporation is a specialty chemical company that produces
products used primarily in space flight and defense systems, automotive airbag
safety systems, fire extinguishment systems and explosives. The company also designs and
manufactures environmental protection products and is involved in real estate
development.
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