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<SEC-DOCUMENT>0001309014-09-000048.txt : 20090121
<SEC-HEADER>0001309014-09-000048.hdr.sgml : 20090121
<ACCEPTANCE-DATETIME>20090121064517
ACCESSION NUMBER:		0001309014-09-000048
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20090121
FILED AS OF DATE:		20090121
DATE AS OF CHANGE:		20090121

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNITED MICROELECTRONICS CORP
		CENTRAL INDEX KEY:			0001033767
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15128
		FILM NUMBER:		09535738

	BUSINESS ADDRESS:	
		STREET 1:		978 HIGHLANDS CIRCLE
		CITY:			LOS ALTOS
		STATE:			CA
		ZIP:			94024
		BUSINESS PHONE:		6509688855

	MAIL ADDRESS:	
		STREET 1:		978 HIGHLANDS CIRCLE
		CITY:			LOS ALTOS
		STATE:			CA
		ZIP:			94024
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>htm_3626.htm
<DESCRIPTION>LIVE FILING
<TEXT>
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United Microelectronics Corporation&nbsp;-&nbsp;Form&nbsp;6-K
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<FONT size="+1"><B>
UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>
Washington, D.C. 20549</B>
</P>

<P>
<CENTER>
<FONT SIZE="+2" FACE="Arial"><B>Form 6-K</B></FONT><BR>

</CENTER>
</P>

<P>
<CENTER>
<FONT size="+1">
REPORT OF FOREIGN PRIVATE ISSUER<BR>PURSUANT TO RULE 13a-16 OR 15d-16<BR>UNDER THE SECURITIES EXCHANGE ACT OF 1934
</FONT>
</CENTER>
</P>
<P>
<CENTER>
January 21, 2009
</CENTER>
</P>
<P>
<CENTER>
Commission File Number: 001-15128
</CENTER>
</P>
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    <TD VALIGN="BOTTOM" ALIGN="CENTER" WIDTH="100%" COLSPAN="5">
	<FONT SIZE="+2"><B>United Microelectronics Corporation</B></FONT><BR>
	<FONT SIZE="-7">&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;</FONT>
    </TD>
  </TR>
  <TR>
    <TD VALIGN="CENTER" ALIGN="CENTER" WIDTH="100%" COLSPAN="5">
	<FONT SIZE="-1">(Translation of registrant&#146;s name into English)</FONT>
    </TD>
  </TR>
  <TR>
    <TD VALIGN="BOTTOM" ALIGN="CENTER" WIDTH="100%" COLSPAN="5">
	&nbsp;
    </TD>
  </TR>

  <TR>
    <TD VALIGN="BOTTOM" ALIGN="CENTER" WIDTH="100%" COLSPAN="5">
      <FONT FACE="Courier" SIZE="+0">No. 3 Li Hsin Road II<br>Science Park<br>Hsinchu, Taiwan, R.O.C.<br></FONT>
    </TD>
  </TR>
  <TR>
    <TD VALIGN="BOTTOM" ALIGN="CENTER" WIDTH="100%" COLSPAN="5">
        <FONT SIZE="-7">&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;</FONT><BR>
	    <FONT SIZE="-1">(Address of principal executive office)</FONT>
    </TD>
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	&nbsp;
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	Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:&nbsp;&nbsp;[<FONT FACE="Courier">x</FONT>]&nbsp;Form 20-F&nbsp;&nbsp;&nbsp;&nbsp;[<FONT FACE="Courier">&nbsp;</FONT>]&nbsp;Form 40-F
    </TD>
  </TR>
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    <TD VALIGN="BOTTOM" ALIGN="LEFT" COLSPAN="5" WIDTH="100%">
        &nbsp;
    </TD>
  </TR>

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    <TD VALIGN="BOTTOM" ALIGN="LEFT" COLSPAN="5" WIDTH="100%">
        Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):&nbsp;&nbsp;[<FONT FACE="Courier">&nbsp;</FONT>]
    </TD>
  </TR>

  <TR>
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        &nbsp;
    </TD>
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    <TD VALIGN="BOTTOM" ALIGN="LEFT" COLSPAN="5" WIDTH="100%">
        Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):&nbsp;&nbsp;[<FONT FACE="Courier">&nbsp;</FONT>]
    </TD>
  </TR>

  <TR>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" COLSPAN="5" WIDTH="100%">
        &nbsp;
    </TD>
  </TR>

  <TR>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" COLSPAN="5" WIDTH="100%">
        Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:&nbsp;&nbsp;[<FONT FACE="Courier">&nbsp;</FONT>]&nbsp;Yes&nbsp;&nbsp;&nbsp;&nbsp;[<FONT FACE="Courier">x</FONT>]&nbsp;No
    </TD>
  </TR>

  <TR>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" COLSPAN="5" WIDTH="100%">
        &nbsp;
    </TD>
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        If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):&nbsp;&nbsp;&nbsp;<FONT FACE="Courier"><U>&nbsp;n/a&nbsp;</U></FONT>
    </TD>
  </TR>
  <TR>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="100%">
        &nbsp;
    </TD>
  </TR>
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<PRE>

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<FONT SIZE="+1">
<CENTER>
<B>SIGNATURES</B>
</CENTER>
</FONT>
<TABLE CELLSPACING="0" BORDER="0" CELLPADDING="0" WIDTH="100%">
  <TR>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="100%">
       &nbsp;
    </TD>
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    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="100%">
       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, thereunto duly authorized.
    </TD>
  </TR>
  <TR>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="100%">
       &nbsp;
    </TD>
  </TR>
</TABLE>
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       &nbsp;
    </TD>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="4%%">
       &nbsp;
    </TD>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="56%">
       United Microelectronics Corporation
    </TD>
  </TR>

  <TR>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="40%">
       &nbsp;
    </TD>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="4%%">
       &nbsp;
    </TD>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="56%">
       &nbsp;
    </TD>
  </TR>

  <TR>
    <TD VALIGN="TOP" ALIGN="LEFT" WIDTH="40%">
       Date: 01/21/2009
    </TD>
    <TD VALIGN="TOP" ALIGN="LEFT" WIDTH="4%%">
       By:
    </TD>
    <TD VALIGN="TOP" ALIGN="LEFT" WIDTH="56%">
       Chitung Liu<BR><HR WIDTH="30%" NOSHADE>
    </TD>
  </TR>

  <TR>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="40%">
       &nbsp;
    </TD>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="4%%">
       Name:&nbsp;
    </TD>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="56%">
       Chitung Liu
    </TD>
  </TR>

  <TR>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="40%">
       &nbsp;
    </TD>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="4%%">
       Title:
    </TD>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="56%">
       Chief Financial Officer
    </TD>
  </TR>
  <TR>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="40%">
       &nbsp;
    </TD>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="4%%">
       &nbsp;
    </TD>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="56%">
       &nbsp;
    </TD>
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<FONT SIZE="+1"><B>
EXHIBIT&nbsp;INDEX
</B></FONT>
</CENTER>
<BR>
<CENTER>
<TABLE CELLSPACING="0" BORDER="0" CELLPADDING="0" WIDTH="60%">
  <TR VALIGN="BOTTOM">
    <TD NOWRAP ALIGN="LEFT" WIDTH="8%">
      <FONT SIZE="-1"><B>Exhibit No.</B></FONT>
    </TD>
    <TD WIDTH="15%">
      &nbsp;
    </TD>
    <TD NOWRAP ALIGN="LEFT" WIDTH="77%">
      <FONT SIZE="-1"><B>Description</B></FONT>
    </TD>
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  <TR VALIGN="BOTTOM">
    <TD NOWRAP ALIGN="CENTER" WIDTH="8%">
      <HR SIZE="1" NOSHADE>
    </TD>
    <TD WIDTH="15%">
      &nbsp;
    </TD>
    <TD NOWRAP ALIGN="CENTER" WIDTH="77%">
      <HR ALIGN="LEFT" SIZE="1" WIDTH="88%" NOSHADE>
    </TD>
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      <FONT SIZE="-1">99<FONT>
    </TD>
    <TD WIDTH="15%">
       &nbsp;
    </TD>
    <TD ALIGN="LEFT" VALIGN="TOP" WIDTH="77%">
      <FONT SIZE="2">6K on 2009/01/21</FONT>
    </TD>
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      &nbsp;
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       &nbsp;
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      &nbsp;
    </TD>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>exhibit1.htm
<DESCRIPTION>EX-99
<TEXT>
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Exhibit&nbsp;&nbsp;EX-99
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<BODY style="font-family: 'Times New Roman',Times,serif">


<P align="center" style="font-size: 10pt"><FONT style="font-size: 12pt"><B>1934 Act Registration No.&nbsp;1-15128</B></FONT>



<P align="center" style="font-size: 12pt"><FONT style="font-size: 14pt"><B>SECURITIES AND EXCHANGE COMMISSION<BR>
Washington, DC 20549</B></FONT>



<P align="center" style="font-size: 14pt"><B>FORM 6-K</B>



<P align="center" style="font-size: 14pt"><FONT style="font-size: 12pt"><B>REPORT OF FOREIGN PRIVATE ISSUER</B></FONT>



<P align="center" style="font-size: 12pt"><B>PURSUANT TO RULE 13a-16 OR 15d-16 OF</B>



<P align="center" style="font-size: 12pt"><B>THE SECURITIES EXCHANGE ACT OF 1934</B>



<P align="center" style="font-size: 12pt"><FONT style="font-size: 14pt"><B>Dated January&nbsp;19, 2009</B></FONT>



<P align="center" style="font-size: 14pt"><B>United Microelectronics Corporation</B>



<P align="center" style="font-size: 14pt"><FONT style="font-size: 12pt"><B>(Translation of Registrant&#146;s Name into English)</B></FONT>



<P align="center" style="font-size: 12pt"><B>No.&nbsp;3 Li Hsin Road II</B>



<P align="center" style="font-size: 12pt"><B>Science Park</B>



<P align="center" style="font-size: 12pt"><B>Hsinchu, Taiwan, R.O.C.</B>



<P align="center" style="font-size: 12pt"><B>(Address of Principal Executive Office)</B>




<P align="left" style="margin-left:4%; font-size: 12pt; text-indent: 3%">(Indicate by check mark whether the registrant files or will file annual reports under
cover of form 20-F or Form 40-F.)



<P align="left" style="margin-left:4%; font-size: 12pt; text-indent: 3%">Form&nbsp;20-F <U> V </U> Form 40-F <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>



<P align="left" style="margin-left:4%; font-size: 12pt; text-indent: 3%">(Indicate by check mark whether the registrant by furnishing the information contained
in this form is also thereby furnishing the information to the Commission pursuant to Rule
12g3-2(b) under the Securities Exchange Act of 1934.)



<P align="left" style="margin-left:4%; font-size: 12pt; text-indent: 3%">Yes <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>No <U> V </U>



<P align="left" style="margin-left:3%; font-size: 12pt">(If &#147;Yes&#148; is marked, indicated below the file number assigned to the registrant in connection
with Rule&nbsp;12g3-2(b): <U>Not applicable</U>)
<P align="center" style="font-size: 10pt; display: none">1
<!-- PAGEBREAK -->



<P align="center" style="font-size: 12pt"><FONT style="font-size: 14pt">SIGNATURE</FONT>



<P align="left" style="font-size: 14pt; text-indent: 2%"><FONT style="font-size: 12pt">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, thereunto duly authorized.
</FONT>

<P align="left" style="font-size: 12pt; text-indent: 20%">United Microelectronics Corporation


<P align="left" style="font-size: 12pt">Date:<U> 1/19/2009 </U> By<U> /s/ Chitung Liu </U><BR>
Chitung Liu<BR>
Chief Financial Officer<BR>


<P align="center" style="font-size: 10pt; display: none">2
<!-- PAGEBREAK -->

<P align="center" style="font-size: 12pt"><B>Exhibit</B>



<P align="left" style="font-size: 12pt"><U>Exhibit</U> <U>Description</U>


<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 12pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="right">99.1</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2008/12/30: To clarify reports on Economic Daily News on Dec 30, 2008</TD>
</TR>

</TABLE>


<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 12pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="right">99.2</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2009/01/06: UMC will attend investor conferences on 2009/01/07</TD>
</TR>

</TABLE>


<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 12pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="right">99.3</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2009/01/12:Represent subsidiary TLC Capital Co, Ltd. to announce related
materials on investment of mainland Chinese company</TD>
</TR>

</TABLE>


<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 12pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="right">99.4</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2009/01/12:To announce accumulative shares repurchased exceeding NTD$300
million in value</TD>
</TR>

</TABLE>


<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 12pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="right">99.5</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2009/01/08: December Revenue</TD>
</TR>

</TABLE>


<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 12pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="right">99.6</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2009/01/08: 1) the trading and pledge of UMC common shares by directors,
supervisors, executive officers and 10% shareholders of UMC; 2) the acquisition and
disposition of assets by UMC</TD>
</TR>



</TABLE>

<P align="center" style="font-size: 10pt; display: none">3
<!-- PAGEBREAK -->


<P><TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 12pt">



</TABLE>


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.1</B>




<P align="left" style="margin-left:1%; font-size: 12pt"><B>To clarify reports on Economic Daily News on Dec 30, 2008</B>



<P align="left" style="margin-left:1%; font-size: 12pt">1.Name of the reporting media: Economic Daily News, A1



<P align="left" style="margin-left:1%; font-size: 12pt">2.Date of the report: 2008/12/30



<P align="left" style="margin-left:1%; font-size: 12pt">3.Content of the report: UMC keeps 30% utilization



<P align="left" style="margin-left:1%; font-size: 12pt">4.Summary of the information provided by investors: None



<P align="left" style="margin-left:1%; font-size: 12pt">5.Company&#146;s explanation of the reportage or provided information:



<P align="left" style="margin-left:1%; font-size: 12pt">The Company&#146;s policy is to respect customers&#146; business confidentiality and cannot comment on
customer&#146;s status. The Company cannot comment on media&#146;s speculative reports as well. The Company,
based on fair disclosure policy, will announce its business outlook and guidance for the first
quarter of 2009 in Investor Conference dated on 2009/2/10.


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.2</B>




<P align="left" style="margin-left:1%; font-size: 12pt"><B>UMC will attend investor conferences on 2009/01/07</B>



<P align="left" style="margin-left:1%; font-size: 12pt">1.Date of the investor/press conference: 2009/01/07



<P align="left" style="margin-left:1%; font-size: 12pt">2.Location of the investor/press conference: Las Vegas, USA



<P align="left" style="margin-left:1%; font-size: 12pt">3.Financial and business related information:



<P align="left" style="margin-left:1%; font-size: 12pt">The Company will attend the AC@CES 2009 held by Nomura from 2009/1/7 to 2009/1/8 in Las
Vegas.



<P align="left" style="margin-left:1%; font-size: 12pt">4.Any other matters that need to be specified:



<P align="left" style="margin-left:1%; font-size: 12pt">Please refer to MOPS or Company website for more information.


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.3</B>




<P align="left" style="margin-left:1%; font-size: 12pt"><B>Represent subsidiary TLC Capital Co, Ltd. to announce related materials on investment of
mainland Chinese company</B>



<P align="left" style="margin-left:1%; font-size: 12pt">1.Date of occurrence of the event: 2009/01/12



<P align="left" style="margin-left:1%; font-size: 12pt">2.Method of the present increase (decrease)&nbsp;in investment:



<P align="left" style="margin-left:1%; font-size: 12pt">Invest mainland Chinese company Touch Equipment Leasing (Shanghai) Co.,Ltd., and Touch
Multimedia Software (Shanghai) Co., Ltd. through Captivated Advertising TV Company Limited
(HK)invested by Touch Media International Holdings (Cayman)



<P align="left" style="margin-left:1%; font-size: 12pt">3.Transaction volume, price per unit, and total monetary amount of the transaction:



<P align="left" style="margin-left:1%; font-size: 12pt; text-indent: 1%">New share issuance; USD$1,500,000



<P align="left" style="margin-left:1%; font-size: 12pt">4.Company name of the invested mainland Chinese company:



<P align="left" style="margin-left:1%; font-size: 12pt">Touch Equipment Leasing (Shanghai) Co., Ltd., and Touch Multimedia Software (Shanghai) Co.,
Ltd.



<P align="left" style="margin-left:1%; font-size: 12pt">5.Paid-in capital of said invested mainland Chinese company:



<P align="left" style="margin-left:1%; font-size: 12pt">Touch Equipment Leasing (Shanghai) Co., Ltd. is USD$3,999,978, Touch Multimedia Software
(Shanghai) Co., Ltd. is USD$0



<P align="left" style="margin-left:1%; font-size: 12pt">6.Amount of new capital increment currently planned by said invested mainland Chinese
company:



<P align="left" style="margin-left:1%; font-size: 12pt">Touch Equipment Leasing (Shanghai) Co., Ltd. is USD$4,500,022



<P align="left" style="margin-left:1%; font-size: 12pt">Touch Multimedia Software (Shanghai) Co., Ltd. is USD$1,500,000.



<P align="left" style="margin-left:1%; font-size: 12pt">7.Main business items of said invested mainland Chinese company:



<P align="left" style="margin-left:1%; font-size: 12pt">Touch Equipment Leasing (Shanghai) Co., Ltd. is Lease of Interactive LCD equipment.
Procurement of equipment, lease and service those equipment and providing consulting related
service



<P align="left" style="margin-left:1%; font-size: 12pt">Touch Multimedia Software (Shanghai) Co., Ltd. is Development, design, manufacture and sale
of computer software. Providing consulting and after service to the computer software.



<P align="left" style="margin-left:1%; font-size: 12pt">8.Type of CPA opinion issued for the financial statement of said invested mainland Chinese
company for the most recent fiscal year:



<P align="left" style="margin-left:1%; font-size: 12pt">Touch Equipment Leasing (Shanghai) Co., Ltd. is NA,



<P align="left" style="margin-left:1%; font-size: 12pt">Touch Multimedia Software (Shanghai) Co., Ltd. is NA



<P align="left" style="margin-left:1%; font-size: 12pt">9.Net worth of said invested mainland Chinese company on the financial statement for the most
recent fiscal year:



<P align="left" style="margin-left:1%; font-size: 12pt">Touch Equipment Leasing (Shanghai) Co., Ltd. is NA,



<P align="left" style="margin-left:1%; font-size: 12pt">Touch Multimedia Software (Shanghai) Co., Ltd. is NA



<P align="left" style="margin-left:1%; font-size: 12pt">10.Amount of profit/loss of said invested mainland Chinese company on the financial statement
for the most recent fiscal year:



<P align="left" style="margin-left:1%; font-size: 12pt">Touch Equipment Leasing (Shanghai) Co., Ltd. is NA,



<P align="left" style="margin-left:1%; font-size: 12pt">Touch Multimedia Software (Shanghai) Co., Ltd. is NA



<P align="left" style="margin-left:1%; font-size: 12pt">11.Amount of actual investment to date in said invested mainland Chinese company:



<P align="left" style="margin-left:1%; font-size: 12pt">Touch Equipment Leasing (Shanghai) Co., Ltd. is USD$3,999,978,



<P align="left" style="margin-left:1%; font-size: 12pt">Touch Multimedia Software (Shanghai) Co., Ltd. is USD$0



<P align="left" style="margin-left:1%; font-size: 12pt">12.Counterparty to the transaction and its relationship to the Company: NA



<P align="left" style="margin-left:1%; font-size: 12pt">13.Where the counterparty to the transaction is an actual related party, public announcement
shall also be made of the reason for choosing the related party as the counterparty and the
identity of the previous owner (including its relationship with the company and the trading
counterpart), the date of transfer, and the price: Not applicable



<P align="left" style="margin-left:1%; font-size: 12pt">14.Where a person who owned the subject matter of the transaction within the past five years
has been an actual related party of the company, public announcement shall also be made of the
dates and prices of acquisition and disposal by the related party and such party&#146;s relationship to
the company at those times: Not applicable



<P align="left" style="margin-left:1%; font-size: 12pt">15.Gain (or loss) on disposal: Not applicable



<P align="left" style="margin-left:1%; font-size: 12pt">16.Terms of delivery or payment (including payment period and monetary amount), restrictive
covenants in the contract, and other important stipulations:



<P align="left" style="margin-left:1%; font-size: 12pt">One-time payment; Follow the contract



<P align="left" style="margin-left:1%; font-size: 12pt">17.The manner of deciding on this transaction, the reference basis for the decision on price
and the decision-making department:



<P align="left" style="margin-left:1%; font-size: 12pt">The decision-making manner: Negotiation, New share issuance



<P align="left" style="margin-left:1%; font-size: 12pt">The decision-making department: Chairman office



<P align="left" style="margin-left:1%; font-size: 12pt">18.Broker: None



<P align="left" style="margin-left:1%; font-size: 12pt">19.Concrete purpose of the acquisition or disposal: Long-term investment



<P align="left" style="margin-left:1%; font-size: 12pt">20.Do the directors have any objection to the present transaction?: None



<P align="left" style="margin-left:1%; font-size: 12pt">21.Total amount of mainland China area investment (including the present investment) approved
by the Investment Commission to date: USD$14,032,590



<P align="left" style="margin-left:1%; font-size: 12pt">22.Ratio of the total amount of investment (including the present investment) in the mainland
China area approved by the Investment Commission to date to the paid-in capital on the financial
statement for the most recent period: 7.23%



<P align="left" style="margin-left:1%; font-size: 12pt">23.Ratio of the total amount of investment (including the present investment) in the mainland
China area approved by the Investment Commission to date to the total assets on the financial
statement for the most recent period: 5.59%



<P align="left" style="margin-left:1%; font-size: 12pt">24.Ratio of the total amount of investment (including the present investment) in the mainland
China area approved by the Investment Commission to date to the shareholders&#146; equity on the
financial statement for the most recent period: 5.65%



<P align="left" style="margin-left:1%; font-size: 12pt">25.Total amount of actual investment in the mainland China area to date: USD$11,461,161



<P align="left" style="margin-left:1%; font-size: 12pt">26.Ratio of the total amount of actual investment in the mainland China area to date to the
paid-in capital on the financial statement for the most recent period: 5.91%



<P align="left" style="margin-left:1%; font-size: 12pt">27.Ratio of the total amount of actual investment in the mainland China area to date to the
total assets on the financial statement for the most recent period: 4.56%



<P align="left" style="margin-left:1%; font-size: 12pt">28.Ratio of the total amount of actual investment in the mainland China area to date to the
shareholders&#146; equity on the financial statement for the most recent period: 4.62%



<P align="left" style="margin-left:1%; font-size: 12pt">29.Amount of recognized profits and losses on investment in the mainland China area for the
most recent three fiscal years:



<P align="left" style="margin-left:1%; font-size: 12pt">USD$0



<P align="left" style="margin-left:1%; font-size: 12pt">30.Amount of profit remitted back to Taiwan for the most recent three fiscal years: USD$0



<P align="left" style="margin-left:1%; font-size: 12pt">31.Has the CPA issued an opinion on the unreasonableness of the price of the current
transaction? : None



<P align="left" style="margin-left:1%; font-size: 12pt">32.Any other matters that need to be specified:



<P align="left" style="margin-left:1%; font-size: 12pt">The company received the admission from government at 2009/1/12



<P align="left" style="margin-left:1%; font-size: 12pt; text-indent: 42%"><B>Exhibit&nbsp;99.4</B>



<P align="left" style="margin-left:1%; font-size: 12pt"><B>To announce accumulative shares repurchased exceeding NTD$300&nbsp;million in value</B>



<P align="left" style="margin-left:1%; font-size: 12pt">1.Date the cumulative number of shares repurchased in the current repurchase accounted for 2
percent or more of the shares issued by the company or the cumulative value of shares repurchased
amounted to NT$300&nbsp;million or more: 2009/01/12



<P align="left" style="margin-left:1%; font-size: 12pt">2.Number of shares repurchased this time: 51,679,000 shares



<P align="left" style="margin-left:1%; font-size: 12pt">3.Type of shares repurchased this time: Common share



<P align="left" style="margin-left:1%; font-size: 12pt">4.Total monetary amount of shares repurchased this time: NTD$403,860,526



<P align="left" style="margin-left:1%; font-size: 12pt">5.Average repurchase price per share this time: NTD$7.81



<P align="left" style="margin-left:1%; font-size: 12pt">6.Cumulative number of own shares held during the repurchase period: 91,179,000 shares



<P align="left" style="margin-left:1%; font-size: 12pt">7.Ratio of cumulative number of own shares held during the repurchase period to the total
number of the Company&#146;s issued shares: 0.67



<P align="left" style="margin-left:1%; font-size: 12pt">8.Any other matters that need to be specified: None


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.5</B>



<P align="center" style="font-size: 12pt"><B>United Microelectronics Corporation</B><BR>
January&nbsp;19, 2009



<P align="left" style="font-size: 12pt">This is to report the changes or status of 1) Sales volume 2) Funds lent to other parties 3)
Endorsements and guarantees 4) Financial derivative transactions for the period of December&nbsp;2008.


<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 12pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="right">1)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Sales volume (NT$ Thousand)</TD>
</TR>

</TABLE>

<DIV align="center">
<TABLE style="font-size: 12pt" cellspacing="0" border="0" cellpadding="0" width="95%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="12%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="8%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="9%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
</TR>
<TR style="font-size: 12pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Period</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Items</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>2008</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>2007</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Changes</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>%</B></TD>
</TR>
<TR style="font-size: 12pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">-</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><I>December</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" align="left"><I>Invoice amount<BR></I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">3,295,033</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">6,907,369</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">(3,612,336</TD>
    <TD nowrap>)</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">(52.30)%)</TD>
    <TD nowrap>%)</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><I>2008</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" nowrap align="left"><I>Invoice amount<BR></I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">72,656,319</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">90,431,564</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">(17,775,245</TD>
    <TD nowrap>)</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">(19.66</TD>
    <TD nowrap>)</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><I>December</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" nowrap align="left"><I>Net sales<BR></I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">4,609,683</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">8,463,794</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">(3,854,111</TD>
    <TD nowrap>)</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">(45.54</TD>
    <TD nowrap>)</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><I>2008</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" nowrap align="left"><I>Net sales<BR></I></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">92,530,051</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">106,771,051</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">(14,241,000</TD>
    <TD nowrap>)</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">(13.34</TD>
    <TD nowrap>)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 12pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="right">2)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Funds lent to other parties (NT$ Thousand)</TD>
</TR>

</TABLE>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="95%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="50%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="14%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="14%">&nbsp;</TD>
</TR>
<TR style="font-size: 10pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B><I>Balance as of period end</I></B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>This Month</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Last Month</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Limit of lending</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="font-size: 10pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><FONT style="font-size: 12pt"><I>UMC</I></FONT></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="right"><FONT style="font-size: 12pt"></FONT></TD>
    <TD align="right"><FONT style="font-size: 12pt">0</FONT></TD>
    <TD><FONT style="font-size: 12pt"></FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="right"><FONT style="font-size: 12pt"></FONT></TD>
    <TD align="right"><FONT style="font-size: 12pt">0</FONT></TD>
    <TD><FONT style="font-size: 12pt"></FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="right"><FONT style="font-size: 12pt"></FONT></TD>
    <TD align="right"><FONT style="font-size: 12pt">27,086,974</FONT></TD>
    <TD><FONT style="font-size: 12pt"></FONT></TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><FONT style="font-size: 12pt"><I>UMC&#146;s subsidiaries</I></FONT></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="right"><FONT style="font-size: 12pt"></FONT></TD>
    <TD align="right"><FONT style="font-size: 12pt">0</FONT></TD>
    <TD><FONT style="font-size: 12pt"></FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="right"><FONT style="font-size: 12pt"></FONT></TD>
    <TD align="right"><FONT style="font-size: 12pt">0</FONT></TD>
    <TD><FONT style="font-size: 12pt"></FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="right"><FONT style="font-size: 12pt"></FONT></TD>
    <TD align="right"><FONT style="font-size: 12pt">107,899</FONT></TD>
    <TD><FONT style="font-size: 12pt"></FONT></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 12pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="right">3)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Endorsements and guarantees (NT$ Thousand)</TD>
</TR>

</TABLE>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="95%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="50%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="14%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="14%">&nbsp;</TD>
</TR>
<TR style="font-size: 10pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Change in This Month</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Balance as of period end</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Limit of endorsements</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="font-size: 10pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><I>UMC</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="right"><FONT style="font-size: 12pt"></FONT></TD>
    <TD align="right"><FONT style="font-size: 12pt">0</FONT></TD>
    <TD><FONT style="font-size: 12pt"></FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="right"><FONT style="font-size: 12pt"></FONT></TD>
    <TD align="right"><FONT style="font-size: 12pt">0</FONT></TD>
    <TD><FONT style="font-size: 12pt"></FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="right"><FONT style="font-size: 12pt"></FONT></TD>
    <TD align="right"><FONT style="font-size: 12pt">54,173,948</FONT></TD>
    <TD><FONT style="font-size: 12pt"></FONT></TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><FONT style="font-size: 10pt"><I>UMC&#146;s subsidiaries</I></FONT></DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="right"><FONT style="font-size: 12pt"></FONT></TD>
    <TD align="right"><FONT style="font-size: 12pt">0</FONT></TD>
    <TD><FONT style="font-size: 12pt"></FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="right"><FONT style="font-size: 12pt"></FONT></TD>
    <TD align="right"><FONT style="font-size: 12pt">0</FONT></TD>
    <TD><FONT style="font-size: 12pt"></FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="right"><FONT style="font-size: 12pt"></FONT></TD>
    <TD align="right"><FONT style="font-size: 12pt">3,971,152</FONT></TD>
    <TD><FONT style="font-size: 12pt"></FONT></TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD colspan="5" align="left"><FONT style="font-size: 10pt"><I>UMC endorses for subsidiaries</I></FONT><BR></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right"><I><FONT style="font-size: 10pt"></I><FONT style="font-size: 12pt">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right"><FONT style="font-size: 12pt"></FONT></TD>
    <TD align="right"><FONT style="font-size: 12pt">0</FONT></TD>
    <TD><FONT style="font-size: 12pt"></FONT></TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD colspan="5" align="left"><FONT style="font-size: 10pt"><I>UMC&#146;s subsidiaries endorse for UMC</I></FONT><BR></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right"><I><FONT style="font-size: 10pt"></I><FONT style="font-size: 12pt">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right"><FONT style="font-size: 12pt"></FONT></TD>
    <TD align="right"><FONT style="font-size: 12pt">0</FONT></TD>
    <TD><FONT style="font-size: 12pt"></FONT></TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD colspan="5" align="left"><FONT style="font-size: 10pt"><I>UMC endorses for PRC companies</I></FONT><BR></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right"><I><FONT style="font-size: 10pt"></I><FONT style="font-size: 12pt">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right"><FONT style="font-size: 12pt"></FONT></TD>
    <TD align="right"><FONT style="font-size: 12pt">0</FONT></TD>
    <TD><FONT style="font-size: 12pt"></FONT></TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD colspan="5" align="left"><FONT style="font-size: 10pt"><I>UMC&#146;s subsidiaries endorse for PRC companies</I></FONT><BR></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right"><I><FONT style="font-size: 10pt"></I><FONT style="font-size: 12pt">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right"><FONT style="font-size: 12pt"></FONT></TD>
    <TD align="right"><FONT style="font-size: 12pt">0</FONT></TD>
    <TD><FONT style="font-size: 12pt"></FONT></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 12pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="right">4)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Financial derivatives transactions</TD>
</TR>

</TABLE>


<P align="left" style="font-size: 12pt">a Hedging purpose : NT$ thousand

<DIV align="center">
<TABLE style="font-size: 12pt" cellspacing="0" border="0" cellpadding="0" width="95%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="60%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="8%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
</TR>
<TR style="font-size: 12pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><I>Financial instruments</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000">Forwards</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000">IRS</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><I>Deposit Paid</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><I>Royalty Income (Paid)</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><I>Unwritten-off Trading Contracts</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">6,151,360</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">7,500,000</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><I>Net Profit from Fair Value</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">59,750</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">80,361</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><I>Written-off Trading Contracts</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">92,046,801</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">7,500,000</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><I>Realized profit (loss)</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">(398,506</TD>
    <TD nowrap>)</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="left" style="font-size: 12pt">b Trading purpose :</FONT><FONT style="font-size: 10pt"> </FONT><FONT style="font-size: 12pt">NT$ thousand
</FONT>
<DIV align="center">
<TABLE style="font-size: 12pt" cellspacing="0" border="0" cellpadding="0" width="95%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="92%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 12pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><I>Financial instruments</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000">Credit-linked Deposits</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><I>Deposit Paid</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><I>Unwritten-off Trading Contracts</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><I>Net Profit from Market Value</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><I>Written-off Trading Contracts</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px"><I>Realized profit (loss)</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt; display: none">4
<!-- PAGEBREAK -->


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.6</B>



<P align="center" style="font-size: 12pt"><B>United Microelectronics Corporation</B><BR>
For the month of January, 2009



<P align="left" style="font-size: 12pt">This is to report 1) the trading of directors, supervisors, executive officers and 10% shareholders
of United Microelectronics Corporation (&#147;UMC&#148;) (NYSE: UMC); 2) the pledge and clear of pledge of
UMC common shares by directors, supervisors, executive officers and 10% shareholders of UMC; 3) the
acquisition assets by UMC; 4) the disposition of assets by UMC for the month of December, 2008.


<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 12pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="right">1)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The trading of directors, supervisors, executive officers and 10% shareholders</TD>
</TR>

</TABLE>

<DIV align="center">
<TABLE style="font-size: 12pt" cellspacing="0" border="0" cellpadding="0" width="95%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="29%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="9%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="9%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
</TR>
<TR style="font-size: 12pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><I>Number of</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><I>Number of shares</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
</TR>
<TR style="font-size: 12pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><I>shares held as of</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><I>held as of</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
</TR>
<TR style="font-size: 12pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><I>Title</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><I>Name</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><I>November 30, 2008</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><I>December 31, 2008</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><I>Changes</I></TD>
</TR>
<TR style="font-size: 12pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Vice President</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000">S.R. Sheu</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000">896,892</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000">746,892</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000">(150,000)</TD>
</TR>
<TR style="font-size: 12pt" valign="bottom">
    <TD nowrap align="left">Spouse of Vice</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
</TR>
<TR style="font-size: 12pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">President</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000">Y. H. Shen</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000">836,017</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000">686,017</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000">(150,000)</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px">Representative of
Supervisor</DIV></TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" align="left">Tzyy-Jang Tseng</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">10,060,610</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">9,985,610</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">(75,000</TD>
    <TD nowrap>)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 12pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="right">2)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The pledge and clear of pledge of UMC common shares by directors, supervisors, executive
officers and 10% shareholders:</TD>
</TR>

</TABLE>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="95%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="20%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
</TR>
<TR style="font-size: 10pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><I>Number of shares</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><I>Number of shares held as</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
</TR>
<TR style="font-size: 10pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><I>held as of</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><I>of</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
</TR>
<TR style="font-size: 10pt" valign="bottom">
    <TD nowrap align="left" colspan="3" style="border-bottom: 1px solid #000000"><I>Title</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><I>Name</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><I>November 30, 2008</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><I>December 31, 2008</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><I>Changes</I></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<!-- End Table Body -->
</TABLE>
</DIV>


<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="right"><FONT style="font-size: 12pt">3)</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD><FONT style="font-size: 12pt">The acquisition assets (NT$ Thousand)</FONT></TD>
</TR>

</TABLE>

<DIV align="center">
<TABLE style="font-size: 12pt" cellspacing="0" border="0" cellpadding="0" width="95%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="68%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
</TR>
<TR style="font-size: 12pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><I>Description of assets</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><I>December</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><I>2008</I></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px">Fixed assets</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">51,834</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">598,364</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px">Semiconductor Manufacturing Equipment</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">384,287</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">6,506,716</TD>
    <TD>&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P>
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 12pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="right">4)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The disposition of assets (NT$ Thousand)</TD>
</TR>

</TABLE>

<DIV align="center">
<TABLE style="font-size: 12pt" cellspacing="0" border="0" cellpadding="0" width="95%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="74%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
</TR>
<TR style="font-size: 12pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><I>Description of assets</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><I>December</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><I>2008</I></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px">Fixed assets</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD><DIV style="margin-left:10px; text-indent:-10px">Semiconductor Manufacturing Equipment</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">15,578</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">167,723</TD>
    <TD>&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<P align="center" style="font-size: 10pt; display: none">5


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