<SEC-DOCUMENT>0001309014-11-000865.txt : 20111227
<SEC-HEADER>0001309014-11-000865.hdr.sgml : 20111226
<ACCEPTANCE-DATETIME>20111227074853
ACCESSION NUMBER:		0001309014-11-000865
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20111226
FILED AS OF DATE:		20111227
DATE AS OF CHANGE:		20111227

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:		111281141

	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_6415.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>
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<P>
<CENTER>
<FONT SIZE="+2" FACE="Arial"><B>FORM 6-K</B></FONT><BR>

</CENTER>
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<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
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December 26, 2011
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Commission File Number: 001-15128
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	<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>
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    <TD VALIGN="BOTTOM" ALIGN="CENTER" WIDTH="100%" COLSPAN="5">
	&nbsp;
    </TD>
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  <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>
  </TR>
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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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        &nbsp;
    </TD>
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        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>

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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)(7):&nbsp;&nbsp;[<FONT FACE="Courier">&nbsp;</FONT>]
    </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 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>

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    <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>
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<PRE>

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<FONT SIZE="+1">
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<B>SIGNATURES</B>
</CENTER>
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<TABLE CELLSPACING="0" BORDER="0" CELLPADDING="0" WIDTH="100%">
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    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="100%">
       &nbsp;
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       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>
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    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="100%">
       &nbsp;
    </TD>
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<TABLE CELLSPACING="0" BORDER="0" CELLPADDING="0" WIDTH="100%">
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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>
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  <TR>
    <TD VALIGN="TOP" ALIGN="LEFT" WIDTH="40%">
       Date: 20111227
    </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>
  </TR>
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<CENTER>
<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>
  </TR>
  <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>
  </TR>
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    <TD VALIGN="TOP" WIDTH="8%" nowrap>
      <FONT SIZE="-1">99<FONT>
    </TD>
    <TD WIDTH="15%">
       &nbsp;
    </TD>
    <TD ALIGN="LEFT" VALIGN="TOP" WIDTH="77%">
      <FONT SIZE="2">6K on 20111226</FONT>
    </TD>
  </TR>
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      &nbsp;
    </TD>
    <TD WIDTH="15%">
       &nbsp;
    </TD>
    <TD ALIGN="LEFT" VALIGN="TOP" WIDTH="77%">
      &nbsp;
    </TD>
  </TR>
</TABLE>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>exhibit1.htm
<DESCRIPTION>EX-99
<TEXT>
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<TITLE>
Exhibit&nbsp;&nbsp;EX-99
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</HEAD>
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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>Exhibit</B></FONT>



<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 2011/12/02: Mainland Chinese company investment on behalf of subsidiary, TLC
Capital Co., LTD.</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 2011/12/05: To announce related materials on acquisition of machinery and
equipment</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 2011/12/05: To announce related materials on acquisition of machinery and
equipment</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 2011/12/12: To announce related materials on acquisition of machinery and
equipment</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 2011/12/12: To announce related materials on acquisition of machinery and
equipment</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 2011/12/12: To announce related materials on acquisition of machinery and
equipment</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">99.7</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/12/12: To announce related materials on acquisition of machinery and
equipment</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">99.8</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/10/13: Represent subsidiary UMC New Business Investment Corporation to
announce the acquisition of TOPCELL SOLAR INTERNATIONAL CO. LTD. Common shares</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">99.9</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/10/13: Represent subsidiary TLC CAPITAL CO.,LTD. to announce the
acquisition of TOPCELL SOLAR INTERNATIONALCO. LTD. Common shares United Microelectronics
Corporation</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">99.10</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/10/13: Represent subsidiary FORTUNE VENTURE CAPITAL CORP. to announce
the acquisition of TOPCELL SOLAR INTERNATIONAL CO. LTD. Common shares</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">99.11</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/12/13: To announce related materials on acquisition of machinery and
equipment</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">99.12</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/12/13: To announce related materials on acquisition of machinery and
equipment</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">99.13</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/12/14: To announce related materials on acquisition of machinery and
equipment</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">99.14</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/12/16: To announce related materials on acquisition of machinery and
equipment</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">99.15</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/12/16: To clarify reports on Commercial Times on December&nbsp;16, 2011</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">99.16</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/12/19: Represent subsidiary EverRich Energy Corporation 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">99.17</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/12/21: To announce related materials on acquisition of machinery and
equipment</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">99.18</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/12/22: To announce related materials on acquisition of machinery and
equipment</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">99.19</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/12/22: To announce related materials on acquisition of machinery and
equipment</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">99.20</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/12/23: To announce related materials on acquisition of machinery and
equipment</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">99.21</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/12/08: November 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">99.22</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/12/15: the trading and pledge of UMC common shares by directors,
executive officers and 10% shareholders of UMC</TD>
</TR>


</TABLE>

<P align="center" style="font-size: 10pt; display: none">1
<!-- 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>
<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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD><B>Mainland Chinese company investment on behalf of subsidiary, TLC Capital Co., LTD.</B></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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>1.Date of occurrence of the event:2011/12/02</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>2.Method of the present increase (decrease)&nbsp;in investment:</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Investment in mainland Chinese company Youjia (Shanghai) Network Technology Company Ltd. through
Youjia Group Limited (Cayman Islands)</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>3.Transaction volume, price per unit, and total monetary amount of the transaction:</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>1,388,889 shares, price per share US$1.08, Total amount USD$1,500,000.</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>4.Company name of the invested 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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Youjia (Shanghai) Network Technology Company Ltd.</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>5.Paid-in capital of said invested mainland Chinese company:USD$ 0</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>6.Amount of new capital increment currently planned by said invested mainland Chinese company: USD$
3,000,000</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>7.Main business items of said invested mainland Chinese company:Development of network&#146;s hardware
and software technology</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>8.Type of CPA opinion issued for the financial statement of said invested mainland Chinese company
for the most recent fiscal year:NA</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>9.Net worth of said invested mainland Chinese company on the financial statement for the most
recent fiscal year:NA</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>10.Amount of profit/loss of said invested mainland Chinese company on the financial statement for
the most recent fiscal year:NA</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>11.Amount of actual investment to date in said invested mainland Chinese company:USD$ 0</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>12.Counterparty to the transaction and its relationship to the Company:NA</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>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:NA</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>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:NA</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>15.Gain (or loss) on disposal:NA</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>16.Terms of delivery or payment (including payment period and monetary amount), restrictive
covenants in the contract, and other important stipulations:According to the contract; None</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>17.The manner of deciding on this transaction, the reference basis for the decision on price and
the decision-making department:Negotiated by TLC Capital Co., LTD and the investee company;
The subscription price of rights issue; Chairman and Presidents&#146; Office</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>18.Broker:None</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>19.Concrete purpose of the acquisition or disposal:Long-term investment</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>20.Do the directors have any objection to the present transaction?:None</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>21.Total amount of mainland China area investment (including the present investment) approved by
the Investment Commission to date:USD$40,898,076.37</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>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:24.42%</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>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:16.16%</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>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:16.23%</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>25.Total amount of actual investment in the mainland China area to date:USD$34,049,083.37</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>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:20.33%</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>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:13.46%</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>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:13.51%</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>29.Amount of recognized profits and losses on investment in the mainland China area for the most
recent three fiscal years:</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Y2008:-NT$2,469,706</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Y2009:NT$2,456,989</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Y2010:-NT$709,986</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>30.Amount of profit remitted back to Taiwan for the most recent three fiscal years:0</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>31.Has the CPA issued an opinion on the unreasonableness of the price of the current transaction?:
None</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>32.Any other matters that need to be specified:None</TD>
</TR>

</TABLE>


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



<P align="center" style="font-size: 12pt"><B>To announce related materials on acquisition of machinery and equipment</B>



<P align="left" style="font-size: 12pt">1.&nbsp;Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District,
Taichung City): Machinery and equipment
<BR>
2. Date of the occurrence of the event: 2011/06/14~2011/12/05
<BR>
3. Transaction volume (e.g.XX square meters, equivalent to XX p&#146;ing), unit price, total transaction
price: Transaction volume: one batch; average unit price: $501,963,308 NTD; total transaction
price: $501,963,308 NTD
<BR>
4. Counterparty to the trade and its relationship with the company (if the trading counterpart is a
natural person and is not an actual related party of the Company, the name of the trading
counterpart is not required to be disclosed): LAM RESEARCH INTERNATIONAL SARL; non-related party
transaction
<BR>
5. Where the counterpart to the trade is an actual related party, a public announcement shall also
include the reason for choosing the related party as trading counterpart and the identity of the
previous owner (including its relationship with the company and the trading counterpart), price of
transfer and the date of acquisition: Not applicable
<BR>
6. Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of acquisition
and disposal by the related person and the person&#146;s relationship to the company at those times: Not
applicable
<BR>
7. Anticipated loss or profit from the disposal (not applicable in cases of acquisition of assets)
(where originally deferred, the status or recognition shall be stated and explained): Not
applicable
<BR>
8.Terms of delivery or payment (including payment period and monetary amount): Base on purchase
order payment term.
<BR>
9.The manner of deciding on this transaction (such as tender invitation, price comparison, or price
negotiation), the reference basis for the decision on price and the decision-making department:
transaction: price negotiation; the reference basis for the decision on price: market price. The
decision-making department: the Selection Meeting
<BR>
10.Name of the professional appraisal institution and its appraisal amount: Not applicable
<BR>
11.Reason for any significant discrepancy with the transaction amount, and opinion of the
certifying CPA: Not applicable
<BR>
12.Is the appraisal report price a limited price or specific price?: Not applicable
<BR>
13.Has an appraisal report not yet been obtained?: Not applicable
<BR>
14.Reason an appraisal report has not yet been obtained: Not applicable
<BR>
15.Broker and broker&#146;s fee: Not applicable
<BR>
16.Concrete purpose or use of the acquisition or disposition: To produce integrated circuits
<BR>
17.Do the directors have any objection to the present transaction?: No
<BR>
18.Any other matters that need to be specified: None


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



<P align="center" style="font-size: 12pt"><B>To announce related materials on acquisition of machinery and equipment</B>



<P align="left" style="font-size: 12pt">1.&nbsp;Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District,
Taichung City): Machinery and equipment
<BR>
2. Date of the occurrence of the event: 2011/01/07~2011/12/05
<BR>
3. Transaction volume (e.g.XX square meters, equivalent to XX p&#146;ing), unit price, total transaction
price: Transaction volume: one batch; average unit price: $550,578,833 NTD; total transaction
price: $550,578,833 NTD
<BR>
4. Counterparty to the trade and its relationship with the company (if the trading counterpart is a
natural person and is not an actual related party of the Company, the name of the trading
counterpart is not required to be disclosed): MURATA MACHINERY TAIWAN, LTD.; non-related party
transaction
<BR>
5. Where the counterpart to the trade is an actual related party, a public announcement shall also
include the reason for choosing the related party as trading counterpart and the identity of the
previous owner (including its relationship with the company and the trading counterpart), price of
transfer and the date of acquisition: Not applicable
<BR>
6. Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of acquisition
and disposal by the related person and the person&#146;s relationship to the company at those times: Not
applicable
<BR>
7. Anticipated loss or profit from the disposal (not applicable in cases of acquisition of assets)
(where originally deferred, the status or recognition shall be stated and explained): Not
applicable
<BR>
8.Terms of delivery or payment (including payment period and monetary amount): Base on purchase
order payment term.
<BR>
9.The manner of deciding on this transaction (such as tender invitation, price comparison, or price
negotiation), the reference basis for the decision on price and the decision-making department:
transaction: price negotiation; the reference basis for the decision on price: market price. The
decision-making department: the Selection Meeting
<BR>
10.Name of the professional appraisal institution and its appraisal amount: Not applicable
<BR>
11.Reason for any significant discrepancy with the transaction amount, and opinion of the
certifying CPA: Not applicable
<BR>
12.Is the appraisal report price a limited price or specific price?: Not applicable
<BR>
13.Has an appraisal report not yet been obtained?: Not applicable
<BR>
14.Reason an appraisal report has not yet been obtained: Not applicable
<BR>
15.Broker and broker&#146;s fee: Not applicable
<BR>
16.Concrete purpose or use of the acquisition or disposition: To produce integrated circuits
<BR>
17.Do the directors have any objection to the present transaction?: No
<BR>
18.Any other matters that need to be specified: None


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.4</B>



<P align="center" style="font-size: 12pt"><B>To announce related materials on acquisition of machinery and equipment</B>



<P align="left" style="font-size: 12pt">1.&nbsp;Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District,
Taichung City): Machinery and equipment
<BR>
2. Date of the occurrence of the event: 2011/10/29~2011/12/12
<BR>
3. Transaction volume (e.g.XX square meters, equivalent to XX p&#146;ing), unit price, total transaction
price: Transaction volume: one batch; average unit price: $ 8,131,713,530 NTD; total transaction
price: $ 8,131,713,530 NTD
<BR>
4. Counterparty to the trade and its relationship with the company (if the trading counterpart is a
natural person and is not an actual related party of the Company, the name of the trading
counterpart is not required to be disclosed): ASML HONG KONG LTD.; non-related party transaction
<BR>
5. Where the counterpart to the trade is an actual related party, a public announcement shall also
include the reason for choosing the related party as trading counterpart and the identity of the
previous owner (including its relationship with the company and the trading counterpart), price of
transfer and the date of acquisition: Not applicable
<BR>
6. Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of acquisition
and disposal by the related person and the person&#146;s relationship to the company at those times: Not
applicable
<BR>
7. Anticipated loss or profit from the disposal (not applicable in cases of acquisition of assets)
(where originally deferred, the status or recognition shall be stated and explained): Not
applicable
<BR>
8.Terms of delivery or payment (including payment period and monetary amount): Base on purchase
order payment term.
<BR>
9.The manner of deciding on this transaction (such as tender invitation, price comparison, or price
negotiation), the reference basis for the decision on price and the decision-making department:
transaction: price negotiation; the reference basis for the decision on price: market price. The
decision-making department: the Selection Meeting
<BR>
10.Name of the professional appraisal institution and its appraisal amount: Not applicable
<BR>
11.Reason for any significant discrepancy with the transaction amount, and opinion of the
certifying CPA: Not applicable
<BR>
12.Is the appraisal report price a limited price or specific price?: Not applicable
<BR>
13.Has an appraisal report not yet been obtained?: Not applicable
<BR>
14.Reason an appraisal report has not yet been obtained: Not applicable
<BR>
15.Broker and broker&#146;s fee: Not applicable
<BR>
16.Concrete purpose or use of the acquisition or disposition: To produce integrated circuits
<BR>
17.Do the directors have any objection to the present transaction?: No
<BR>
18.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>To announce related materials on acquisition of machinery and equipment</B>



<P align="left" style="font-size: 12pt">1.&nbsp;Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District,
Taichung City): Machinery and equipment
<BR>
2. Date of the occurrence of the event: 2011/12/09~2011/12/12
<BR>
3. Transaction volume (e.g.XX square meters, equivalent to XX p&#146;ing), unit price, total transaction
price: Transaction volume: one batch; average unit price: $830,984,160 NTD; total transaction
price: $830,984,160 NTD
<BR>
4. Counterparty to the trade and its relationship with the company (if the trading counterpart is a
natural person and is not an actual related party of the Company, the name of the trading
counterpart is not required to be disclosed): LAM RESEARCH INTERNATIONAL SARL; non-related party
transaction
<BR>
5. Where the counterpart to the trade is an actual related party, a public announcement shall also
include the reason for choosing the related party as trading counterpart and the identity of the
previous owner (including its relationship with the company and the trading counterpart), price of
transfer and the date of acquisition: Not applicable
<BR>
6. Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of acquisition
and disposal by the related person and the person&#146;s relationship to the company at those times: Not
applicable
<BR>
7. Anticipated loss or profit from the disposal (not applicable in cases of acquisition of assets)
(where originally deferred, the status or recognition shall be stated and explained): Not
applicable
<BR>
8.Terms of delivery or payment (including payment period and monetary amount): Base on purchase
order payment term.
<BR>
9.The manner of deciding on this transaction (such as tender invitation, price comparison, or price
negotiation), the reference basis for the decision on price and the decision-making department:
transaction: price negotiation; the reference basis for the decision on price: market price. The
decision-making department: the Selection Meeting
<BR>
10.Name of the professional appraisal institution and its appraisal amount: Not applicable
<BR>
11.Reason for any significant discrepancy with the transaction amount, and opinion of the
certifying CPA: Not applicable
<BR>
12.Is the appraisal report price a limited price or specific price?: Not applicable
<BR>
13.Has an appraisal report not yet been obtained?: Not applicable
<BR>
14.Reason an appraisal report has not yet been obtained: Not applicable
<BR>
15.Broker and broker&#146;s fee: Not applicable
<BR>
16.Concrete purpose or use of the acquisition or disposition: To produce integrated circuits
<BR>
17.Do the directors have any objection to the present transaction?: No
<BR>
18.Any other matters that need to be specified: None


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



<P align="center" style="font-size: 12pt"><B>To announce related materials on acquisition of machinery and equipment</B>



<P align="left" style="font-size: 12pt">1.&nbsp;Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District,
Taichung City): Machinery and equipment
<BR>
2. Date of the occurrence of the event: 2011/10/21~2011/12/12
<BR>
3. Transaction volume (e.g.XX square meters, equivalent to XX p&#146;ing), unit price, total transaction
price: Transaction volume: one batch; average unit price: $ 3,441,981,680 NTD; total transaction
price: $ 3,441,981,680 NTD
<BR>
4. Counterparty to the trade and its relationship with the company (if the trading counterpart is a
natural person and is not an actual related party of the Company, the name of the trading
counterpart is not required to be disclosed): TOKYO ELECTRON LIMITED; non-related party transaction
<BR>
5. Where the counterpart to the trade is an actual related party, a public announcement shall also
include the reason for choosing the related party as trading counterpart and the identity of the
previous owner (including its relationship with the company and the trading counterpart), price of
transfer and the date of acquisition: Not applicable
<BR>
6. Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of acquisition
and disposal by the related person and the person&#146;s relationship to the company at those times: Not
applicable
<BR>
7. Anticipated loss or profit from the disposal (not applicable in cases of acquisition of assets)
(where originally deferred, the status or recognition shall be stated and explained): Not
applicable
<BR>
8.Terms of delivery or payment (including payment period and monetary amount): Base on purchase
order payment term.
<BR>
9.The manner of deciding on this transaction (such as tender invitation, price comparison, or price
negotiation), the reference basis for the decision on price and the decision-making department:
transaction: price negotiation; the reference basis for the decision on price: market price. The
decision-making department: the Selection Meeting
<BR>
10.Name of the professional appraisal institution and its appraisal amount: Not applicable
<BR>
11.Reason for any significant discrepancy with the transaction amount, and opinion of the
certifying CPA: Not applicable
<BR>
12.Is the appraisal report price a limited price or specific price?: Not applicable
<BR>
13.Has an appraisal report not yet been obtained?: Not applicable
<BR>
14.Reason an appraisal report has not yet been obtained: Not applicable
<BR>
15.Broker and broker&#146;s fee: Not applicable
<BR>
16.Concrete purpose or use of the acquisition or disposition: To produce integrated circuits
<BR>
17.Do the directors have any objection to the present transaction?: No
<BR>
18.Any other matters that need to be specified: None


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.7</B>



<P align="left" style="font-size: 12pt; text-indent: 4%"><B>To announce related materials on acquisition of machinery and equipment</B>


<P align="left" style="font-size: 12pt">1.&nbsp;Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District,
Taichung City): Machinery and equipment
<BR>
2. Date of the occurrence of the event: 2011/03/31~2011/12/12
<BR>
3. Transaction volume (e.g.XX square meters, equivalent to XX p&#146;ing), unit price, total transaction
price: Transaction volume: one batch; average unit price: $637,115,965 NTD; total transaction
price: $637,115,965 NTD
<BR>
4. Counterparty to the trade and its relationship with the company (if the trading counterpart is a
natural person and is not an actual related party of the Company, the name of the trading
counterpart is not required to be disclosed):VARIAN SEMICONDUCTOR EQUIPMENT; non-related party
transaction
<BR>
5. Where the counterpart to the trade is an actual related party, a public announcement shall also
include the reason for choosing the related party as trading counterpart and the identity of the
previous owner (including its relationship with the company and the trading counterpart), price of
transfer and the date of acquisition: Not applicable
<BR>
6. Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of acquisition
and disposal by the related person and the person&#146;s relationship to the company at those times: Not
applicable
<BR>
7. Anticipated loss or profit from the disposal (not applicable in cases of acquisition of assets)
(where originally deferred, the status or recognition shall be stated and explained): Not
applicable
<BR>
8.Terms of delivery or payment (including payment period and monetary amount): Base on purchase
order payment term.
<BR>
9.The manner of deciding on this transaction (such as tender invitation, price comparison, or price
negotiation), the reference basis for the decision on price and the decision-making department:
transaction: price negotiation; the reference basis for the decision on price: market price. The
decision-making department: the Selection Meeting
<BR>
10.Name of the professional appraisal institution and its appraisal amount: Not applicable
<BR>
11.Reason for any significant discrepancy with the transaction amount, and opinion of the
certifying CPA: Not applicable
<BR>
12.Is the appraisal report price a limited price or specific price?: Not applicable
<BR>
13.Has an appraisal report not yet been obtained?: Not applicable
<BR>
14.Reason an appraisal report has not yet been obtained: Not applicable
<BR>
15.Broker and broker&#146;s fee: Not applicable
<BR>
16.Concrete purpose or use of the acquisition or disposition: To produce integrated circuits
<BR>
17.Do the directors have any objection to the present transaction?: No
<BR>
18.Any other matters that need to be specified: None


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.8</B>



<P align="center" style="font-size: 12pt"><B>Represent subsidiary UMC New Business Investment Corporation to announce the acquisition of TOPCELL<BR>
SOLAR INTERNATIONAL CO. LTD. Common shares</B>



<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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>1.Name and nature of the subject matter (if preferred shares, the terms and conditions of issuance
shall also be indicated, e.g.dividend yield):Common shares of TOPCELL SOLAR INTERNATIONAL CO.
LTD.</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>2.Date of occurrence of the event:2011/12/13</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>3.Volume, unit price, and total monetary amount of the transaction:trading volume: Not exceeding
67,800,000 shares; unit price:$14 NTD; total amount: Not exceeding $949,200,000 NTD; (depands
on other shareholders&#146; remittance)</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>4.Counterpart to the trade and its relationship to the Company (if the trading counterpart is a
natural person and furthermore is not an actual related party of the Company, the name of the
trading counterpart is not required to be disclosed):TOPCELL SOLAR INTERNATIONAL CO. LTD.; The
company&#146;s subsidiary</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>5.Where the counterpart to the trade is an actual related party, a public announcement shall also
be made of the reason for choosing the related party as trading counterpart and the identity
of the previous owner (including its relationship with the company and the trading
counterpart), price of transfer, and date of acquisition:n/a</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>6.Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of
acquisition and disposal by the related person and the person&#146;s relationship to the company at
those times:n/a</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>7.Matters related to the creditor&#146;s rights currently being disposed of (including types of
collateral of the disposed creditor&#146;s rights; if the creditor&#146;s rights are creditor&#146;s rights
toward a related person, the name of the related person and the book amount of the creditor&#146;s
rights toward such related person currently being disposed of must also be announced):n/a</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>8.Anticipated profit or loss from the disposal (not applicable in cases of acquisition of
securities) (where originally deferred, the status or recognition shall be stated and
explained):n/a</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>9.Terms of delivery or payment (including payment period and monetary amount), restrictive
covenants in the contract, and other important stipulations:Wire transfer</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>10.The manner in which the current transaction was decided, the reference basis for the decision on
price, and the decision-making department:</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The decision making manner: New share issuance</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The decision-making department: Board of Directors</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>11.Current cumulative volume, amount, and shareholding percentage of holdings of the security being
traded (including the current trade) and status of any restriction of rights (e.g.pledges):</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>cumulative volume: Not exceeding 150,182,800 shares;</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>amount: Not exceeding $2,084,770,000 NTD;</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>percentage of holdings: Not exceeding 49.37%</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>12.Current ratio of long or short term securities investment (including the current trade) to the
total assets and shareholder&#146;s equity as shown in the most recent financial statement and the
operating capital as shown in the most recent financial statement:</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>ratio of total assets: 94.10%</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>ratio of shareholder&#146;s equity: 94.15%</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>the operational capital as shown in the most recent</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>financial statement:$1,167,414 thousand NTD</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>13.Broker and broker&#146;s fee:n/a</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>14.Concrete purpose or use of the acquisition or disposition:Long-term investment</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>15.Net worth per share of company underlying securities acquired or disposed of:</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Net worth per share:$8.99 NTD</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>16.Do the directors have any objection to the present transaction?:no</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>17.Has the CPA issued an opinion on the unreasonableness of the price of the current transaction?:
no</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">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>18.Any other matters that need to be specified:</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">(1)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>the most recent financial statement:20011/09 per book</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">(2)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>ratio of total assets and ratio of shareholder&#146;s equity are estimated by the upper limitation
of transaction amount NTD949,200,000.</TD>
</TR>

</TABLE>


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.9</B>



<P align="center" style="font-size: 12pt"><B>Represent subsidiary TLC CAPITAL CO.,LTD. to announce the acquisition of TOPCELL SOLAR<BR>
INTERNATIONALCO. LTD. Common shares United Microelectronics Corporation</B>



<P align="left" style="font-size: 12pt">1.Name and nature of the subject matter (if preferred shares, the terms and conditions of issuance
shall also be indicated, e.g.dividend yield):
<BR>
Common shares of TOPCELL SOLAR INTERNATIONAL CO. LTD.
<BR>
2.Date of occurrence of the event:2011/08/31~2011/12/13
<BR>
3.Volume, unit price, and total monetary amount of the transaction:
<BR>
trading volume: Not exceeding 26,810,026 shares;
<BR>
unit price:$14.32 NTD; total amount: Not exceeding $384,140,364 NTD
<BR>
4.Counterpart to the trade and its relationship to the Company (if the trading counterpart is a
natural person and furthermore is not an actual related party of the Company, the name of the
trading counterpart is not required to be disclosed):
<BR>
(4-1)SAPPHIRE CAPITAL
<BR>
(4-2)TOPCELL SOLAR INTERNATIONAL CO. LTD.; The company&#146;s subsidiary
<BR>
5.Where the counterpart to the trade is an actual related party, a public announcement shall also
be made of the reason for choosing the related party as trading counterpart and the identity of the
previous owner (including its relationship with the company and the trading counterpart), price of
transfer, and date of acquisition:n/a
<BR>
6.Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of
acquisition and disposal by the related person and the person&#146;s relationship to the company at
those times:n/a
<BR>
7.Matters related to the creditor&#146;s rights currently being disposed of (including types of
collateral of the disposed creditor&#146;s rights; if the creditor&#146;s rights are creditor&#146;s rights toward
a related person, the name of the related person and the book amount of the creditor&#146;s rights
toward such related person currently being disposed of must also be announced):n/a
<BR>
8.Anticipated profit or loss from the disposal (not applicable in cases of acquisition of
securities) (where originally deferred, the status or recognition shall be stated and
explained):n/a
<BR>
9.Terms of delivery or payment (including payment period and monetary amount), restrictive
covenants in the contract, and other important stipulations:Wire transfer
<BR>
10.The manner in which the current transaction was decided, the reference basis for the decision on
price, and the decision-making department:
<BR>
(10-1)To be negotiated by both sides, The Chairman & President Office
<BR>
(10-2)New share issuance, The Board of Directors
<BR>
11.Current cumulative volume, amount, and shareholding percentage of holdings of the security being
traded (including the current trade) and status of any restriction of rights (e.g.pledges):
<BR>
cumulative volume: Not exceeding 26,810,026 shares;
<BR>
amount: Not exceeding $384,140,364 NTD;
<BR>
percentage of holdings: Not exceeding 8.81%
<BR>
12.Current ratio of long or short term securities investment (including the current trade) to the
total assets and shareholder&#146;s equity as shown in the most recent financial statement and the
operating capital as shown in the most recent financial statement:
<BR>
ratio of total assets:74.63%
<BR>
ratio of shareholder&#146;s equity:74.95%
<BR>
the operational capital as shown in the most recent
<BR>
financial statement:$953,980 thousand NTD
<BR>
13.Broker and broker&#146;s fee:n/a
<BR>
14.Concrete purpose or use of the acquisition or disposition:Long-term investment
<BR>
15.Net worth per share of company underlying securities acquired or disposed of:
<BR>
Net worth per share:$8.99 NTD
<BR>
16.Do the directors have any objection to the present transaction?:no
<BR>
17.Has the CPA issued an opinion on the unreasonableness of the price of the current transaction?:
no
<BR>
18.Any other matters that need to be specified:
<BR>
ratio of total assets and ratio of shareholder&#146;s equity are estimated
<BR>
by the upper limitation of transaction amount NTD384,140,364.


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.10</B>



<P align="center" style="font-size: 12pt"><B>Represent subsidiary FORTUNE VENTURE CAPITAL CORP. to announce the acquisition of TOPCELL SOLAR<BR>
INTERNATIONAL CO. LTD. Common shares</B>



<P align="left" style="font-size: 12pt">1.Name and nature of the subject matter (if preferred shares, the terms and conditions of issuance
shall also be indicated, e.g.dividend yield):
<BR>
Common shares of TOPCELL SOLAR INTERNATIONAL CO. LTD.
<BR>
2.Date of occurrence of the event:2011/08/31~2011/12/13
<BR>
3.Volume, unit price, and total monetary amount of the transaction:
<BR>
trading volume: Not exceeding 26,810,026 shares;
<BR>
unit price:$14.32 NTD; total amount: Not exceeding $384,140,364 NTD
<BR>
4.Counterpart to the trade and its relationship to the Company (if the trading counterpart is a
natural person and furthermore is not an actual related party of the Company, the name of the
trading counterpart is not required to be disclosed):
<BR>
(4-1)SAPPHIRE CAPITAL
<BR>
(4-2)TOPCELL SOLAR INTERNATIONAL CO. LTD.; The company&#146;s subsidiary
<BR>
5.Where the counterpart to the trade is an actual related party, a public announcement shall also
be made of the reason for choosing the related party as trading counterpart and the identity of the
previous owner (including its relationship with the company and the trading counterpart), price of
transfer, and date of acquisition:n/a
<BR>
6.Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of acquisition
and disposal by the related person and the person&#146;s relationship to the company at those times:n/a
<BR>
7.Matters related to the creditor&#146;s rights currently being disposed of (including types of
collateral of the disposed creditor&#146;s rights; if the creditor&#146;s rights are creditor&#146;s rights toward
a related person, the name of the related person and the book amount of the creditor&#146;s rights
toward such related person currently being disposed of must also be announced):n/a
<BR>
8.Anticipated profit or loss from the disposal (not applicable in cases of acquisition of
securities) (where originally deferred, the status or recognition shall be stated and
explained):n/a
<BR>
9.Terms of delivery or payment (including payment period and monetary amount), restrictive
covenants in the contract, and other important stipulations:Wire transfer
<BR>
10.The manner in which the current transaction was decided, the reference basis for the decision on
price, and the decision-making department:
<BR>
(10-1)To be negotiated by both sides, The Chairman & President Office
<BR>
(10-2)New share issuance, The Board of Directors
<BR>
11.Current cumulative volume, amount, and shareholding percentage of holdings of the security being
traded (including the current trade) and status of any restriction of rights (e.g.pledges):
<BR>
cumulative volume: Not exceeding 26,810,026 shares;
<BR>
amount: Not exceeding $384,140,364 NTD;
<BR>
percentage of holdings: Not exceeding 8.81%
<BR>
12.Current ratio of long or short term securities investment (including the current trade) to the
total assets and shareholder&#146;s equity as shown in the most recent financial statement and the
operating capital as shown in the most recent financial statement:
<BR>
ratio of total assets: 68.44%
<BR>
ratio of shareholder&#146;s equity: 68.71%
<BR>
the operational capital as shown in the most recent
<BR>
financial statement:$ 547,333 thousand NTD
<BR>
13.Broker and broker&#146;s fee:n/a
<BR>
14.Concrete purpose or use of the acquisition or disposition:Long-term investment
<BR>
15.Net worth per share of company underlying securities acquired or disposed of:
<BR>
Net worth per share:$8.99 NTD
<BR>
16.Do the directors have any objection to the present transaction?:no
<BR>
17.Has the CPA issued an opinion on the unreasonableness of the price of the current transaction?:
<BR>
no
<BR>
18.Any other matters that need to be specified:
<BR>
ratio of total assets and ratio of shareholder&#146;s equity are estimated
<BR>
by the upper limitation of transaction amount NTD384,140,364.


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.11</B>



<P align="center" style="font-size: 12pt"><B>To announce related materials on acquisition of machinery and equipment</B>



<P align="left" style="font-size: 12pt">1.&nbsp;Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District,
Taichung City): Machinery and equipment
<BR>
2. Date of the occurrence of the event: 2011/12/12~2011/12/13
<BR>
3. Transaction volume (e.g.XX square meters, equivalent to XX p&#146;ing), unit price, total transaction
price: Transaction volume: one batch; average unit price: $ 2,564,937,600 NTD; total transaction
price: $ 2,564,937,600 NTD
<BR>
4. Counterparty to the trade and its relationship with the company (if the trading counterpart is a
natural person and is not an actual related party of the Company, the name of the trading
counterpart is not required to be disclosed): ASML HONG KONG LTD.; non-related party transaction
<BR>
5. Where the counterpart to the trade is an actual related party, a public announcement shall also
include the reason for choosing the related party as trading counterpart and the identity of the
previous owner (including its relationship with the company and the trading counterpart), price of
transfer and the date of acquisition: Not applicable
<BR>
6. Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of acquisition
and disposal by the related person and the person&#146;s relationship to the company at those times: Not
applicable
<BR>
7. Anticipated loss or profit from the disposal (not applicable in cases of acquisition of assets)
(where originally deferred, the status or recognition shall be stated and explained): Not
applicable
<BR>
8.Terms of delivery or payment (including payment period and monetary amount): Base on purchase
order payment term.
<BR>
9.The manner of deciding on this transaction (such as tender invitation, price comparison, or price
negotiation), the reference basis for the decision on price and the decision-making department:
transaction: price negotiation; the reference basis for the decision on price: market price. The
decision-making department: the Selection Meeting
<BR>
10.Name of the professional appraisal institution and its appraisal amount: Not applicable
<BR>
11.Reason for any significant discrepancy with the transaction amount, and opinion of the
certifying CPA: Not applicable
<BR>
12.Is the appraisal report price a limited price or specific price?: Not applicable
<BR>
13.Has an appraisal report not yet been obtained?: Not applicable
<BR>
14.Reason an appraisal report has not yet been obtained: Not applicable
<BR>
15.Broker and broker&#146;s fee: Not applicable
<BR>
16.Concrete purpose or use of the acquisition or disposition: To produce integrated circuits
<BR>
17.Do the directors have any objection to the present transaction?: No
<BR>
18.Any other matters that need to be specified: None


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.12</B>



<P align="center" style="font-size: 12pt"><B>To announce related materials on acquisition of machinery and equipment</B>



<P align="left" style="font-size: 12pt">1.&nbsp;Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District,
Taichung City): Machinery and equipment
<BR>
2. Date of the occurrence of the event: 2011/12/12~2011/12/13
<BR>
3. Transaction volume (e.g.XX square meters, equivalent to XX p&#146;ing), unit price, total transaction
price: Transaction volume: one batch; average unit price: $ 1,247,076,000 NTD; total transaction
price: $ 1,247,076,000 NTD
<BR>
4. Counterparty to the trade and its relationship with the company (if the trading counterpart is a
natural person and is not an actual related party of the Company, the name of the trading
counterpart is not required to be disclosed): TOKYO ELECTRON LIMITED; non-related party transaction
<BR>
5. Where the counterpart to the trade is an actual related party, a public announcement shall also
include the reason for choosing the related party as trading counterpart and the identity of the
previous owner (including its relationship with the company and the trading counterpart), price of
transfer and the date of acquisition: Not applicable
<BR>
6. Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of acquisition
and disposal by the related person and the person&#146;s relationship to the company at those times: Not
applicable
<BR>
7. Anticipated loss or profit from the disposal (not applicable in cases of acquisition of assets)
(where originally deferred, the status or recognition shall be stated and explained): Not
applicable
<BR>
8.Terms of delivery or payment (including payment period and monetary amount): Base on purchase
order payment term.
<BR>
9.The manner of deciding on this transaction (such as tender invitation, price comparison, or price
negotiation), the reference basis for the decision on price and the decision-making department:
transaction: price negotiation; the reference basis for the decision on price: market price. The
decision-making department: the Selection Meeting
<BR>
10.Name of the professional appraisal institution and its appraisal amount: Not applicable
<BR>
11.Reason for any significant discrepancy with the transaction amount, and opinion of the
certifying CPA: Not applicable
<BR>
12.Is the appraisal report price a limited price or specific price?: Not applicable
<BR>
13.Has an appraisal report not yet been obtained?: Not applicable
<BR>
14.Reason an appraisal report has not yet been obtained: Not applicable
<BR>
15.Broker and broker&#146;s fee: Not applicable
<BR>
16.Concrete purpose or use of the acquisition or disposition: To produce integrated circuits
<BR>
17.Do the directors have any objection to the present transaction?: No
<BR>
18.Any other matters that need to be specified: None


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.13</B>



<P align="center" style="font-size: 12pt"><B>To announce related materials on acquisition of machinery and equipment</B>



<P align="left" style="font-size: 12pt">1.&nbsp;Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District,
Taichung City): Machinery and equipment
<BR>
2. Date of the occurrence of the event: 2011/12/12~2011/12/14
<BR>
3. Transaction volume (e.g.XX square meters, equivalent to XX p&#146;ing), unit price, total transaction
price: Transaction volume: one batch; average unit price: $810,228,000 NTD; total transaction
price: $810,228,000 NTD
<BR>
4. Counterparty to the trade and its relationship with the company (if the trading counterpart is a
natural person and is not an actual related party of the Company, the name of the trading
counterpart is not required to be disclosed):VARIAN SEMICONDUCTOR EQUIPMENT; non-related party
transaction
<BR>
5. Where the counterpart to the trade is an actual related party, a public announcement shall also
include the reason for choosing the related party as trading counterpart and the identity of the
previous owner (including its relationship with the company and the trading counterpart), price of
transfer and the date of acquisition: Not applicable
<BR>
6. Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of acquisition
and disposal by the related person and the person&#146;s relationship to the company at those times: Not
applicable
<BR>
7. Anticipated loss or profit from the disposal (not applicable in cases of acquisition of assets)
(where originally deferred, the status or recognition shall be stated and explained): Not
applicable
<BR>
8.Terms of delivery or payment (including payment period and monetary amount): Base on purchase
order payment term.
<BR>
9.The manner of deciding on this transaction (such as tender invitation, price comparison, or price
negotiation), the reference basis for the decision on price and the decision-making department:
transaction: price negotiation; the reference basis for the decision on price: market price. The
decision-making department: the Selection Meeting
<BR>
10.Name of the professional appraisal institution and its appraisal amount: Not applicable
<BR>
11.Reason for any significant discrepancy with the transaction amount, and opinion of the
certifying CPA: Not applicable
<BR>
12.Is the appraisal report price a limited price or specific price?: Not applicable
<BR>
13.Has an appraisal report not yet been obtained?: Not applicable
<BR>
14.Reason an appraisal report has not yet been obtained: Not applicable
<BR>
15.Broker and broker&#146;s fee: Not applicable
<BR>
16.Concrete purpose or use of the acquisition or disposition: To produce integrated circuits
<BR>
17.Do the directors have any objection to the present transaction?: No
<BR>
18.Any other matters that need to be specified: None


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.14</B>



<P align="center" style="font-size: 12pt"><B>To announce related materials on acquisition of machinery and equipment</B>



<P align="left" style="font-size: 12pt">1.&nbsp;Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District,
Taichung City): Machinery and equipment
<BR>
2. Date of the occurrence of the event: 2011/11/21~2011/12/16
<BR>
3. Transaction volume (e.g.XX square meters, equivalent to XX p&#146;ing), unit price, total transaction
price: Transaction volume: one batch; average unit price: $583,579,700 NTD; total transaction
price: $583,579,700 NTD
<BR>
4. Counterparty to the trade and its relationship with the company (if the trading counterpart is a
natural person and is not an actual related party of the Company, the name of the trading
counterpart is not required to be disclosed): Applied Materials South East; non-related party
transaction
<BR>
5. Where the counterpart to the trade is an actual related party, a public announcement shall also
include the reason for choosing the related party as trading counterpart and the identity of the
previous owner (including its relationship with the company and the trading counterpart), price of
transfer and the date of acquisition: Not applicable
<BR>
6. Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of acquisition
and disposal by the related person and the person&#146;s relationship to the company at those times: Not
applicable
<BR>
7. Anticipated loss or profit from the disposal (not applicable in cases of acquisition of assets)
(where originally deferred, the status or recognition shall be stated and explained): Not
applicable
<BR>
8.Terms of delivery or payment (including payment period and monetary amount): Base on purchase
order payment term.
<BR>
9.The manner of deciding on this transaction (such as tender invitation, price comparison, or price
negotiation), the reference basis for the decision on price and the decision-making department:
transaction: price negotiation; the reference basis for the decision on price: market price. The
decision-making department: the Selection Meeting
<BR>
10.Name of the professional appraisal institution and its appraisal amount: Not applicable
<BR>
11.Reason for any significant discrepancy with the transaction amount, and opinion of the
certifying CPA: Not applicable
<BR>
12.Is the appraisal report price a limited price or specific price?: Not applicable
<BR>
13.Has an appraisal report not yet been obtained?: Not applicable
<BR>
14.Reason an appraisal report has not yet been obtained: Not applicable
<BR>
15.Broker and broker&#146;s fee: Not applicable
<BR>
16.Concrete purpose or use of the acquisition or disposition: To produce integrated circuits
<BR>
17.Do the directors have any objection to the present transaction?: No
<BR>
18.Any other matters that need to be specified: None


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.15</B>



<P align="center" style="font-size: 12pt"><B>To clarify reports on Commercial Times on December&nbsp;16, 2011</B>



<P align="left" style="font-size: 12pt">1.Name of the reporting media: Commercial Times, A16
<BR>
2.Date of the report:2011/12/16
<BR>
3.Content of the report: UMC was assessed a penalty of NTD 5&nbsp;million for its investment in He Jian
Technology.
<BR>
4.Summary of the information provided by investors: None
<BR>
5.Company&#146;s explanation of the reportage or provided information:
<BR>
The company will abide by government regulations.
<BR>
6.Countermeasures: None
<BR>
7.Any other matters that need to be specified: None


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.16</B>



<P align="center" style="font-size: 12pt"><B>Represent subsidiary EverRich Energy Corporation to announce related materials on investment of<BR>
mainland Chinese company</B>



<P align="left" style="font-size: 12pt">1.Date of occurrence of the event:2011/12/19
<BR>
2.Method of the present increase (decrease)&nbsp;in investment:
<BR>
Invest mainland Chinese company EVERRICH (SHANDONG)&nbsp;ENERGY CO., LTD by
<BR>
EVERRICH ENERGY INVESTMENT (HK)&nbsp;LIMITED
<BR>
3.Transaction volume, price per unit, and total monetary amount of the transaction:USD$1,000,000
<BR>
4.Company name of the invested mainland Chinese company:
<BR>
EVERRICH (SHANDONG)&nbsp;ENERGY CO., LTD
<BR>
5.Paid-in capital of said invested mainland Chinese company:USD$2,100,000 before capital increase
<BR>
6.Amount of new capital increment currently planned by said invested mainland Chinese company:
USD$1,000,000
<BR>
7.Main business items of said invested mainland Chinese company:Solar engineering integrated design
services
<BR>
8.Type of CPA opinion issued for the financial statement of said invested mainland Chinese company
for the most recent fiscal year: NA
<BR>
9.Net worth of said invested mainland Chinese company on the financial statement for the most
recent fiscal year:USD$6,741,127.89
<BR>
10.Amount of profit/loss of said invested mainland Chinese company on the financial statement for
the most recent fiscal year:USD$508,143.47
<BR>
11.Amount of actual investment to date in said invested mainland Chinese company: USD$3,100,000
<BR>
12.Counterparty to the transaction and its relationship to the Company: The Company&#146;s subsidiary
<BR>
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
<BR>
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
<BR>
15.Gain (or loss) on disposal: Not applicable
<BR>
16.Terms of delivery or payment (including payment period and monetary amount), restrictive
covenants in the contract, and other important stipulations:One-time payment; None
<BR>
17.The manner of deciding on this transaction, the reference basis for the decision on price and
the decision-making department:By board meeting.
<BR>
18.Broker: None
<BR>
19.Concrete purpose of the acquisition or disposal: Long-term investment
<BR>
20.Do the directors have any objection to the present transaction?: None
<BR>
21.Total amount of mainland China area investment (including the present investment) approved by
the Investment Commission to date: USD$3,101,452.22
<BR>
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:40.30%
<BR>
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:23.49%
<BR>
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: 35.04%
<BR>
25.Total amount of actual investment in the mainland China area to date: USD$2,301,452.22
<BR>
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: 29.91%
<BR>
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: 17.43%
<BR>
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: 26.00%
<BR>
29.Amount of recognized profits and losses on investment in the mainland China area for the most
recent three fiscal years:USD$4,153,760.45
<BR>
30.Amount of profit remitted back to Taiwan for the most recent three fiscal years:USD$320,000
<BR>
31.Has the CPA issued an opinion on the unreasonableness of the price of the current transaction?:
None
<BR>
32.Any other matters that need to be specified: None


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.17</B>



<P align="center" style="font-size: 12pt"><B>To announce related materials on acquisition of machinery and equipment</B>



<P align="left" style="font-size: 12pt">1.&nbsp;Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District,
Taichung City): Machinery and equipment
<BR>
2. Date of the occurrence of the event: 2011/11/02~2011/12/21
<BR>
3. Transaction volume (e.g.XX square meters, equivalent to XX p&#146;ing), unit price, total transaction
price: Transaction volume: one batch; average unit price: $766,085,750 NTD; total transaction
price: $766,085,750 NTD
<BR>
4. Counterparty to the trade and its relationship with the company (if the trading counterpart is a
natural person and is not an actual related party of the Company, the name of the trading
counterpart is not required to be disclosed): KLA-TENCOR CORPORATION; non-related party transaction
<BR>
5. Where the counterpart to the trade is an actual related party, a public announcement shall also
include the reason for choosing the related party as trading counterpart and the identity of the
previous owner (including its relationship with the company and the trading counterpart), price of
transfer and the date of acquisition: Not applicable
<BR>
6. Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of acquisition
and disposal by the related person and the person&#146;s relationship to the company at those times: Not
applicable
<BR>
7. Anticipated loss or profit from the disposal (not applicable in cases of acquisition of assets)
(where originally deferred, the status or recognition shall be stated and explained): Not
applicable
<BR>
8.Terms of delivery or payment (including payment period and monetary amount): Base on purchase
order payment term.
<BR>
9.The manner of deciding on this transaction (such as tender invitation, price comparison, or price
negotiation), the reference basis for the decision on price and the decision-making department:
transaction: price negotiation; the reference basis for the decision on price: market price. The
decision-making department: the Selection Meeting
<BR>
10.Name of the professional appraisal institution and its appraisal amount: Not applicable
<BR>
11.Reason for any significant discrepancy with the transaction amount, and opinion of the
certifying CPA: Not applicable
<BR>
12.Is the appraisal report price a limited price or specific price?: Not applicable
<BR>
13.Has an appraisal report not yet been obtained?: Not applicable
<BR>
14.Reason an appraisal report has not yet been obtained: Not applicable
<BR>
15.Broker and broker&#146;s fee: Not applicable
<BR>
16.Concrete purpose or use of the acquisition or disposition: To produce integrated circuits
<BR>
17.Do the directors have any objection to the present transaction?: No
<BR>
18.Any other matters that need to be specified: None


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.18</B>



<P align="center" style="font-size: 12pt"><B>To announce related materials on acquisition of machinery and equipment</B>



<P align="left" style="font-size: 12pt">1.&nbsp;Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District,
Taichung City): Machinery and equipment
<BR>
2. Date of the occurrence of the event: 2011/11/30~2011/12/22
<BR>
3. Transaction volume (e.g.XX square meters, equivalent to XX p&#146;ing), unit price, total transaction
price: Transaction volume: one batch; average unit price: $744,677,500 NTD; total transaction
price: $744,677,500 NTD
<BR>
4. Counterparty to the trade and its relationship with the company (if the trading counterpart is a
natural person and is not an actual related party of the Company, the name of the trading
counterpart is not required to be disclosed): HITACHI HIGH-TECHNOLOGIES; non-related party
transaction
<BR>
5. Where the counterpart to the trade is an actual related party, a public announcement shall also
include the reason for choosing the related party as trading counterpart and the identity of the
previous owner (including its relationship with the company and the trading counterpart), price of
transfer and the date of acquisition: Not applicable
<BR>
6. Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of acquisition
and disposal by the related person and the person&#146;s relationship to the company at those times: Not
applicable
<BR>
7. Anticipated loss or profit from the disposal (not applicable in cases of acquisition of assets)
(where originally deferred, the status or recognition shall be stated and explained): Not
applicable
<BR>
8.Terms of delivery or payment (including payment period and monetary amount): Base on purchase
order payment term.
<BR>
9.The manner of deciding on this transaction (such as tender invitation, price comparison, or price
negotiation), the reference basis for the decision on price and the decision-making department:
transaction: price negotiation; the reference basis for the decision on price: market price. The
decision-making department: the Selection Meeting
<BR>
10.Name of the professional appraisal institution and its appraisal amount: Not applicable
<BR>
11.Reason for any significant discrepancy with the transaction amount, and opinion of the
certifying CPA: Not applicable
<BR>
12.Is the appraisal report price a limited price or specific price?: Not applicable
<BR>
13.Has an appraisal report not yet been obtained?: Not applicable
<BR>
14.Reason an appraisal report has not yet been obtained: Not applicable
<BR>
15.Broker and broker&#146;s fee: Not applicable
<BR>
16.Concrete purpose or use of the acquisition or disposition: To produce integrated circuits
<BR>
17.Do the directors have any objection to the present transaction?: No
<BR>
18.Any other matters that need to be specified: None


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.19</B>



<P align="center" style="font-size: 12pt"><B>To announce related materials on acquisition of machinery and equipment</B>



<P align="left" style="font-size: 12pt">1.&nbsp;Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District,
Taichung City): Machinery and equipment
<BR>
2. Date of the occurrence of the event: 2011/12/21~2011/12/22
<BR>
3. Transaction volume (e.g.XX square meters, equivalent to XX p&#146;ing), unit price, total transaction
price: Transaction volume: one batch; average unit price: $802,324,875 NTD; total transaction
price: $802,324,875 NTD
<BR>
4. Counterparty to the trade and its relationship with the company (if the trading counterpart is a
natural person and is not an actual related party of the Company, the name of the trading
counterpart is not required to be disclosed): KLA-TENCOR CORPORATION; non-related party transaction
<BR>
5. Where the counterpart to the trade is an actual related party, a public announcement shall also
include the reason for choosing the related party as trading counterpart and the identity of the
previous owner (including its relationship with the company and the trading counterpart), price of
transfer and the date of acquisition: Not applicable
<BR>
6. Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of acquisition
and disposal by the related person and the person&#146;s relationship to the company at those times: Not
applicable
<BR>
7. Anticipated loss or profit from the disposal (not applicable in cases of acquisition of assets)
(where originally deferred, the status or recognition shall be stated and explained): Not
applicable
<BR>
8.Terms of delivery or payment (including payment period and monetary amount): Base on purchase
order payment term.
<BR>
9.The manner of deciding on this transaction (such as tender invitation, price comparison, or price
negotiation), the reference basis for the decision on price and the decision-making department:
transaction: price negotiation; the reference basis for the decision on price: market price. The
decision-making department: the Selection Meeting
<BR>
10.Name of the professional appraisal institution and its appraisal amount: Not applicable
<BR>
11.Reason for any significant discrepancy with the transaction amount, and opinion of the
certifying CPA: Not applicable
<BR>
12.Is the appraisal report price a limited price or specific price?: Not applicable
<BR>
13.Has an appraisal report not yet been obtained?: Not applicable
<BR>
14.Reason an appraisal report has not yet been obtained: Not applicable
<BR>
15.Broker and broker&#146;s fee: Not applicable
<BR>
16.Concrete purpose or use of the acquisition or disposition: To produce integrated circuits
<BR>
17.Do the directors have any objection to the present transaction?: No
<BR>
18.Any other matters that need to be specified: None


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.20</B>



<P align="center" style="font-size: 12pt"><B>To announce related materials on acquisition of machinery and equipment</B>



<P align="left" style="font-size: 12pt">1.&nbsp;Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District,
Taichung City): Machinery and equipment
<BR>
2. Date of the occurrence of the event: 2011/01/03~2011/12/23
<BR>
3. Transaction volume (e.g.XX square meters, equivalent to XX p&#146;ing), unit price, total transaction
price: Transaction volume: one batch; average unit price: $524,436,370 NTD; total transaction
price: $524,436,370 NTD
<BR>
4. Counterparty to the trade and its relationship with the company (if the trading counterpart is a
natural person and is not an actual related party of the Company, the name of the trading
counterpart is not required to be disclosed): AGILENT TECHNOLOGIES SINGAPORE; non-related party
transaction
<BR>
5. Where the counterpart to the trade is an actual related party, a public announcement shall also
include the reason for choosing the related party as trading counterpart and the identity of the
previous owner (including its relationship with the company and the trading counterpart), price of
transfer and the date of acquisition: Not applicable
<BR>
6. Where a person who owned the property within the past five years has been an actual related
person of the company, a public announcement shall also include the dates and prices of acquisition
and disposal by the related person and the person&#146;s relationship to the company at those times: Not
applicable
<BR>
7. Anticipated loss or profit from the disposal (not applicable in cases of acquisition of assets)
(where originally deferred, the status or recognition shall be stated and explained): Not
applicable
<BR>
8.Terms of delivery or payment (including payment period and monetary amount): Base on purchase
order payment term.
<BR>
9.The manner of deciding on this transaction (such as tender invitation, price comparison, or price
negotiation), the reference basis for the decision on price and the decision-making department:
transaction: price negotiation; the reference basis for the decision on price: market price. The
decision-making department: the Selection Meeting
<BR>
10.Name of the professional appraisal institution and its appraisal amount: Not applicable
<BR>
11.Reason for any significant discrepancy with the transaction amount, and opinion of the
certifying CPA: Not applicable
<BR>
12.Is the appraisal report price a limited price or specific price?: Not applicable
<BR>
13.Has an appraisal report not yet been obtained?: Not applicable
<BR>
14.Reason an appraisal report has not yet been obtained: Not applicable
<BR>
15.Broker and broker&#146;s fee: Not applicable
<BR>
16.Concrete purpose or use of the acquisition or disposition: To produce integrated circuits
<BR>
17.Do the directors have any objection to the present transaction?: No
<BR>
18.Any other matters that need to be specified: None


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.21</B>



<P align="center" style="font-size: 12pt">December&nbsp;8, 2011



<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 November&nbsp;2011.


<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="21%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&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="22%">&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" 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>2011</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>2010</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Changes</B>%</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="font-size: 12pt">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">November
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><I>Invoice amount</I>
</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">6,698,673</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">7,097,810</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">- 399,137-5.62%</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><I>2011&nbsp;year to date</I>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><I>Invoice amount</I>
</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">73,651,279</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">79,300,770</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">- 5,649,491-7.12%</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">November
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><I>Net sales</I>
</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">8,065,077</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">10,440,330</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">-2,375,253-22.75%</TD>
</TR>
<TR valign="bottom" style="font-size: 12pt">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><I>2011&nbsp;year to date</I>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><I>Net sales</I>
</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">97,774,822</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">110,252,283</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">- 12,477,461-11.32%</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) : None</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">3)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Endorsements and guarantees (NT$ Thousand) : None</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">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
<BR>
<B><I>UMC</I></B>

<DIV align="center">
<TABLE style="font-size: 12pt" cellspacing="0" border="0" cellpadding="0" width="95%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="66%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="10%">&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">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">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>Fair Value</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>Net Profit from Fair Value</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">-2,857</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>Written-off Trading Contracts</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">24,839,768</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>Realized profit (loss)</I></DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">-140,618</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.22</B>



<P align="center" style="font-size: 12pt"><B>United Microelectronics Corporation</B><BR>
For the month of November, 2011



<P align="left" style="font-size: 12pt">This is to report 1) the trading of directors, 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, executive officers and 10% shareholders of UMC;


<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="5%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="28%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="9%">&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="font-size: 12pt">
    <TD align="left" valign="top"><I>Title</I>
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><I>Name</I>
</TD>
    <TD>&nbsp;</TD>
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-size: 10pt"><I>Number of shares<BR>
held as of<BR>
October&nbsp;31, 2011</I></FONT>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><FONT style="font-size: 10pt"><I>Number of shares held as<BR>
of<BR>
November&nbsp;30, 2011</I></FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><FONT style="font-size: 10pt"><BR>
<BR>
<I>Changes</I></FONT></TD>
</TR>
<TR style="font-size: 1px">
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD valign="top" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom" style="font-size: 10pt">
    <TD align="left" valign="top"><FONT style="font-size: 12pt">&#151;</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&#151;
</TD>
    <TD>&nbsp;</TD>
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&#151;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&#151;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&#151;</TD>
</TR>
<TR style="font-size: 1px">
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD valign="top" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" style="border-top: 1px solid #000000">&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">2)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The pledge and clear of pledge of UMC common shares by directors, 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="8%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="14%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="23%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="13%">&nbsp;</TD>
</TR>
<TR style="font-size: 10pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><I>Number of shares</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><I>Number of shares pledged</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 10pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><I>pledged as of</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><I>as of</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 10pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><I>Title</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><I>Name</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><I>October 31, 2011</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><I>November 30, 2011</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><I>Changes</I></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="font-size: 10pt">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-size: 12pt">&#151;</FONT>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><FONT style="font-size: 12pt">&#151;</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><FONT style="font-size: 12pt">&#151;</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><FONT style="font-size: 12pt">&#151;</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><FONT style="font-size: 12pt">&#151;</FONT></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



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




<!-- v.121908 -->
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