<SUBMISSION>
<ACCESSION-NUMBER>0001104659-04-009162
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>2
<PERIOD>20040331
<ITEMS>7
<ITEMS>9
<FILING-DATE>20040401
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>BENCHMARK ELECTRONICS INC
<CIK>0000863436
<ASSIGNED-SIC>3672
<IRS-NUMBER>742211011
<STATE-OF-INCORPORATION>TX
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>001-10560
<FILM-NUMBER>04708267
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>3000 TECHNOLOGY DRIVE
<CITY>ANGLETON
<STATE>TX
<ZIP>77515
<PHONE>9798496550
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>3000 TECHNOLOGY DR
<CITY>ANGLETON
<STATE>TX
<ZIP>77515
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a04-4118_18k.htm
<DESCRIPTION>8-K
<TEXT>
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<div style="border:none;border-top:double windowtext 9.0pt;padding:0in 0in 0in 0in;">

<p style="border:none;margin:0in 0in .0001pt;padding:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

</div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">UNITED STATES</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Washington,
D.C. 20549</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">FORM 8-K</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">CURRENT
REPORT</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">Pursuant to Section 13 or 15(d) of</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">the Securities Exchange Act of 1934</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date of Report
(Date of earliest event reported):&nbsp;&nbsp;&nbsp;&nbsp;<b><font style="font-weight:bold;">March 31, 2004</font></b></font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">BENCHMARK ELECTRONICS, INC.</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Exact name of
registrant as specified in its charter)</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div align="center">

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="36%" valign="bottom" style="padding:0in 0in 0in 0in;width:36.28%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Texas</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.54%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="28%" valign="bottom" style="padding:0in 0in 0in 0in;width:28.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">1-10560</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.48%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.7%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">74-2211011</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="36%" valign="top" style="padding:0in 0in 0in 0in;width:36.28%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State or other jurisdiction<br>
  of incorporation)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.54%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="28%" valign="top" style="padding:0in 0in 0in 0in;width:28.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Commission<br>
  File Number)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.48%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.7%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(I.R.S. Employer<br>
  Identification No.)</font></p>
  </td>
 </tr>
 <tr>
  <td width="36%" valign="top" style="padding:0in 0in 0in 0in;width:36.28%;">
  <p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.54%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="28%" valign="top" style="padding:0in 0in 0in 0in;width:28.0%;">
  <p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.48%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.7%;">
  <p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="66%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:66.82%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">3000 Technology Drive, Angleton, Texas</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.48%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.7%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">77515</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="66%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:66.82%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Address of principal executive offices)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.48%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.7%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Zip code)</font></p>
  </td>
 </tr>
 <tr>
  <td width="36%" valign="top" style="padding:0in 0in 0in 0in;width:36.28%;">
  <p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.54%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="28%" valign="top" style="padding:0in 0in 0in 0in;width:28.0%;">
  <p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.48%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="30%" valign="top" style="padding:0in 0in 0in 0in;width:30.7%;">
  <p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="100%" colspan="5" valign="top" style="padding:0in 0in 0in 0in;width:100.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Registrant&#146;s telephone number, including
  area code:&nbsp;&nbsp;<b><font style="font-weight:bold;">(979) 849-6550</font></b></font></p>
  </td>
 </tr>
</table>

</div>

<div style="border:none;border-bottom:double windowtext 9.0pt;padding:0in 0in 0in 0in;">

<p style="border:none;margin:0in 0in .0001pt;padding:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

</div>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>


<div style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">

<hr size="2" width="100%" noshade color="gray" align="left">

</font></div>

<font size="2" face="Times New Roman" style="font-size:10.0pt;">
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<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;">&nbsp;</p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Item 7.&#160;&#160;&#160; Financial Statements,
Pro Forma Financial Information and Exhibits.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0in 0in .0001pt 1.0in;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Exhibits.</p>

<p style="margin:0in 0in .0001pt .5in;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The following material is furnished as an
exhibit to this Current Report on Form 8-K.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="90%" style="border-collapse:collapse;margin-left:.5in;width:90.0%;">
 <tr>
  <td width="42%" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in 0in 0in 0in;width:42.8%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Exhibit<br>
  Number</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.18%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="55%" valign="bottom" style="border:none;border-bottom:solid windowtext .5pt;padding:0in 0in 0in 0in;width:55.02%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Description</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="42%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:42.8%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.18%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="55%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:55.02%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="42%" valign="top" style="padding:0in 0in 0in 0in;width:42.8%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Exhibit 99.1</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.18%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="55%" valign="top" style="padding:0in 0in 0in 0in;width:55.02%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Press release dated March 31, 2004</font></p>
  </td>
 </tr>
</table>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Item 9.&#160;&#160;&#160; Regulation FD
Disclosure.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt .5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On March 31,
2004, Benchmark Electronics, Inc. issued a press release reaffirming guidance
for the quarter ended March 31, 2004. A copy of the press release is attached
as Exhibit 99.1 hereto and is hereby incorporated herein by reference. The
information in this Form 8-K is being furnished under Item 9 and shall not be
deemed to be &#147;filed&#148; for the purposes of Section 18 of the Securities and
Exchange Act of 1934 (the &#147;Exchange Act&#148;), or otherwise subject to the
liabilities of such section, nor shall such information be deemed incorporated
by reference in any filing under the Securities Act of 1933 or the Exchange
Act, except as shall be expressly set forth by specific reference in such a
filing.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">SIGNATURE</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">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></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="55%" valign="top" style="padding:0in 0in 0in 0in;width:55.76%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="44%" colspan="4" valign="top" style="padding:0in 0in 0in 0in;width:44.24%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">BENCHMARK ELECTRONICS, INC.</font></p>
  </td>
 </tr>
 <tr>
  <td width="55%" valign="top" style="padding:0in 0in 0in 0in;width:55.76%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="44%" colspan="4" valign="top" style="padding:0in 0in 0in 0in;width:44.24%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="55%" valign="top" style="padding:0in 0in 0in 0in;width:55.76%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="44%" colspan="4" valign="top" style="padding:0in 0in 0in 0in;width:44.24%;">
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="55%" valign="top" style="padding:0in 0in 0in 0in;width:55.76%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Dated: April 1, 2004</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.44%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="2%" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in 0in 0in 0in;width:2.9%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/</font></p>
  </td>
  <td width="23%" valign="top" style="border:none;border-bottom:solid windowtext .5pt;padding:0in 0in 0in 0in;width:23.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">DONALD E. NIGBOR</font></p>
  </td>
  <td width="14%" valign="top" style="padding:0in 0in 0in 0in;width:14.56%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="55%" valign="top" style="padding:0in 0in 0in 0in;width:55.76%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="6%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:6.34%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="23%" valign="top" style="padding:0in 0in 0in 0in;width:23.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Donald E. Nigbor</font></p>
  </td>
  <td width="14%" valign="top" style="padding:0in 0in 0in 0in;width:14.56%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
 </tr>
 <tr>
  <td width="55%" valign="top" style="padding:0in 0in 0in 0in;width:55.76%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="6%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:6.34%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
  <td width="23%" valign="top" style="padding:0in 0in 0in 0in;width:23.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief Executive Officer</font></p>
  </td>
  <td width="14%" valign="top" style="padding:0in 0in 0in 0in;width:14.56%;">
  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  </td>
 </tr>
</table>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>


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<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Exhibit 99.1</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Press
Release</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">For More Information,
Call:</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

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  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">GAYLA J. DELLY</font></p>
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  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
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  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
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  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">CHIEF FINANCIAL OFFICER</font></p>
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  <p style="font-size:1.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
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  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">MARCH 31, 2004</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(979) 849-6550</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">FOR IMMEDIATE RELEASE</font></p>

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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">BENCHMARK ELECTRONICS REAFFIRMS<br>
GUIDANCE FOR FIRST QUARTER 2004</font></b><br><br></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">ANGLETON, TX, MARCH 31, 2004 &#150; Benchmark Electronics, Inc. (NYSE: BHE)
announced today that it continues to expect first quarter revenue to be between
$470 million and $485 million, with corresponding diluted earnings per share of
$0.33 to $0.37.&#160; The Company reaffirmed
the first quarter guidance previously provided at the time of the fourth
quarter earnings release on February 5, 2004.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Results for the first quarter will be announced on April 22, 2004.&#160; A conference call hosted by Benchmark
management will be held at 10:00 am (Central time) on April 22, 2004 to discuss
the financial results of the Company and its future outlook. This call will be
broadcast via the Internet and may be accessed by logging on to our website at
www.bench.com.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">This news release contains certain forward-looking statements within
the scope of the Securities Act of 1933 and the Securities Exchange Act of
1934.&#160; The words &#147;expect,&#148; &#147;estimate,&#148;
&#147;anticipate,&#148; &#147;predict,&#148; and similar expressions, and the negatives of such
expressions, are intended to identify forward-looking statements.&#160; Although the Company believes that these
statements are based upon reasonable assumptions, such statements involve
risks, uncertainties and assumptions, including but not limited to industry and
economic conditions, customer actions and the other factors discussed in
Benchmark&#146;s Form 10-K for the year ended December 31, 2003 and its other
filings with the Securities and Exchange Commission.&#160; Should one or more of these risks or uncertainties </font></p>

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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">materialize, or should underlying assumptions prove incorrect, actual
outcomes may vary materially from those indicated.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Benchmark Electronics, Inc. is in the
business of manufacturing electronics and provides its services to original
equipment manufacturers of computers and related products for business
enterprises, medical devices, industrial control equipment, testing and
instrumentation products, and telecommunication equipment.&#160; Benchmark&#146;s global operations include
facilities in eight countries. Benchmark&#146;s Common Stock trades on the New York
Stock Exchange under the symbol BHE.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

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