<SEC-DOCUMENT>0001309014-11-000477.txt : 20110726
<SEC-HEADER>0001309014-11-000477.hdr.sgml : 20110726
<ACCEPTANCE-DATETIME>20110726062324
ACCESSION NUMBER:		0001309014-11-000477
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20110726
FILED AS OF DATE:		20110726
DATE AS OF CHANGE:		20110726

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:		11985883

	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_6017.htm
<DESCRIPTION>LIVE FILING
<TEXT>
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United Microelectronics Corporation&nbsp;-&nbsp;Form&nbsp;6-K
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UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>
Washington, D.C. 20549</B>
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<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
</FONT>
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July 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>
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	<FONT SIZE="-1">(Translation of registrant&#146;s name into English)</FONT>
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	&nbsp;
    </TD>
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    <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>
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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>
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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>
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        &nbsp;
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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)(7):&nbsp;&nbsp;[<FONT FACE="Courier">&nbsp;</FONT>]
    </TD>
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        &nbsp;
    </TD>
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        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>
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        &nbsp;
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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>
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        &nbsp;
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<B>SIGNATURES</B>
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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.
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       &nbsp;
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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>

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       &nbsp;
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    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="4%%">
       &nbsp;
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    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="56%">
       &nbsp;
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    <TD VALIGN="TOP" ALIGN="LEFT" WIDTH="40%">
       Date: 20110726
    </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>

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    <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>

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    <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>
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       &nbsp;
    </TD>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="4%%">
       &nbsp;
    </TD>
    <TD VALIGN="BOTTOM" ALIGN="LEFT" WIDTH="56%">
       &nbsp;
    </TD>
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EXHIBIT&nbsp;INDEX
</B></FONT>
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<BR>
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  <TR VALIGN="BOTTOM">
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      <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>
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    <TD NOWRAP ALIGN="CENTER" WIDTH="8%">
      <HR SIZE="1" NOSHADE>
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      &nbsp;
    </TD>
    <TD NOWRAP ALIGN="CENTER" WIDTH="77%">
      <HR ALIGN="LEFT" SIZE="1" WIDTH="88%" NOSHADE>
    </TD>
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      <FONT SIZE="-1">99<FONT>
    </TD>
    <TD WIDTH="15%">
       &nbsp;
    </TD>
    <TD ALIGN="LEFT" VALIGN="TOP" WIDTH="77%">
      <FONT SIZE="2">6K on 20110726</FONT>
    </TD>
  </TR>
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      &nbsp;
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       &nbsp;
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      &nbsp;
    </TD>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>exhibit1.htm
<DESCRIPTION>EX-99
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Exhibit&nbsp;&nbsp;EX-99
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<BODY style="font-family: 'Times New Roman',Times,serif">


<P align="center" style="font-size: 10pt"><FONT style="font-size: 12pt"><B>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 2011/06/27: UMC will attend investor conferences on 2011/06/29</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 2011/06/28: 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 2011/07/01: 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">99.4</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/07/08: The Company announced the record date for cash dividend</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 2011/07/08: The Board of Directors resolved to adjust cash dividend ratio</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 2011/07/13: To announce related materials on disposal of MaxLinear,Inc. on
behalf of UMC Capital 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">99.7</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/07/22: 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">99.8</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/07/08: June 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">99.9</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Announcement on 2011/07/15: 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 align="center" style="font-size: 12pt"><B>UMC will attend investor conferences on 2011/06/29</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.Date of the investor/press conference or the date that the Company disclose its financial or
business information to the public:2011/06/29</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.Location of the investor/press conference or the location that the Company disclose its financial
or business information to the public: The Regent Taipei</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.Financial and business related information: The Company will attend the &#147;Taiwan Investor
Conference 2011&#148; held by UBS on 2011/06/29 in The Regent Taipei.</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.If a press release is distributed, the content of the press release: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>5.Any other matters that need to be specified: Please refer to MOPS or Company website for more
information.</TD>
</TR>

</TABLE>


<P align="right" style="font-size: 12pt"><B>Exhibit&nbsp;99.2</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: 2011/04/08~2011/06/28
<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: $ 882,386,072 NTD; total transaction
price: $ 882,386,072 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;99.3</B>



<P align="center" style="font-size: 12pt"><B>Mainland Chinese company investment on behalf of subsidiary TLC Capital Co. LTD.</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.Date of occurrence of the event:2011/07/01</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: Investment in mainland Chinese company
Shanghai Winking Entertainment Ltdand Nanjing Winking Entertainment Ltd through Winking
Entertainment Ltd (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:1560371 shares
price per share US$1.281746251 Total amount US$2000000.</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: Shanghai Winking Entertainment Ltd (short
for Shanghai Winking) and Nanjing Winking Entertainment Ltd (short for Nanjing Winking)</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:US$8000000 for Shanghai Winking and
US$2050000 for Nanjing Winking</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:
US$2050000 for Shanghai Winking and US$950000 for Nanjing Winking.</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 design and production
of computer software sale of products and provide after-sales service and technical advice for
both companies</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: Unqualified opinion for both companies</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: RMB$7792778.42 for Shanghai Winking and RMB$4096833.06 for Nanjing Winking</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: -RMB$10635109.31 for Shanghai Winking and NA for Nanjing Winking</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: 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>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: USD37345872.37</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: 22.3%</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: 14.76%</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: 14.82%</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: USD31650683.37</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: 18.9%</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: 12.51%</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>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: 12.56%</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: Y2008:-NT$2469706, Y2009:NT$2456989, Y2010:-NT$709986</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;99.4</B>



<P align="left" style="font-size: 12pt; text-indent: 4%"><B>The Company announced the record date for cash dividend</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.Date of the resolution by the board of directors or shareholders&#146; meeting or decision by the
Company: 2011/07/08</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.Type of ex-rights or ex-dividend (please enter: &#147;Ex-rights&#148;,&#147;Ex-dividend&#148;, or &#147;Ex-rights and
dividend&#148;): Ex-dividend</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.Type and monetary amount of dividend distribution: Cash dividend NTD$14,033,575,265, each common
share is entitled to receive NTD$1.11164840</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.Ex-rights (ex-dividend) trading date:2011/07/22</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.Last date before book closure:2011/07/25</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.Book closure starting date:2011/07/26</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.Book closure ending date:2011/07/30</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.Ex-rights (ex-dividend) record date:2011/07/30</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.Any other matters that need to be specified: Cash dividend for common shares is estimated to be
paid on 2011/08/16.</TD>
</TR>

</TABLE>


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



<P align="left" style="font-size: 12pt; text-indent: 4%"><B>The Board of Directors resolved to adjust cash dividend ratio</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.Date of the resolution of the board of directors or shareholders&#146;meeting:2011/07/08</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.Type and monetary amount of original dividend distribution: Cash dividend NTD$14,033,575,265,
each common share is entitled to receive NTD$1.12</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.Type monetary amount of dividend distribution after the change: Cash dividend NTD$14,033,575,265,
each common share is entitled to receive NTD$1.11164840</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.Reason for the change: Due to the employee stock options had been exercised, the number of
outstanding common shares had increased accordingly, resulting in the adjustment of cash
dividend ratio.</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.Any other matters that need to be specified: None</TD>
</TR>

</TABLE>


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



<P align="left" style="font-size: 12pt; text-indent: 4%"><B>To announce related materials on disposal of MaxLinear,Inc. on behalf of UMC Capital
Corporation</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 of the securities: common shares of MaxLinear, Inc.</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.Trading date:2010/10/19~2011/07/13</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.Trading volume, unit price, and total monetary amount of the transaction: Trading
volume:1,072,110 shares, unit price: USD 9.6397, total monetary amount: USD 10,334,850.09</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.Gain (or loss) (not applicable in case of acquisition of securities): USD 7,897,956</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.Relationship with the underlying company of the trade: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>6.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):
cumulative volume: 524,291 shares; amount: USD 1,191,706.24; percentage of holdings: 1.62%;
status of restriction of rights: 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>7.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
operational capital as shown in the most recent financial statement: 71.42%, 71.70%,
USD30,161,710</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.Concrete purpose/objective of the acquisition or disposal: financing operation</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.Do the directors have any objections 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>10.Any other matters that need to be specified: none</TD>
</TR>

</TABLE>


<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: 2011/06/13~2011/07/22
<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: $517,353,500 NTD; total transaction
price: $ 517,353,500 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): 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;99.8</B>



<P align="center" style="font-size: 12pt"><B>United Microelectronics Corporation</B><BR>
July&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 June&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="3%">&nbsp;</TD>
    <TD width="17%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
</TR>
<TR style="font-size: 12pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><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" colspan="3" style="border-bottom: 1px solid #000000"><B>Changes</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>%</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">June
</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"><FONT style="font-size: 10pt">6,606,778</FONT></TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top"><FONT style="font-size: 10pt">7,622,001</FONT></TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top"><FONT style="font-size: 10pt">-1,015,223</FONT></TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top"><FONT style="font-size: 10pt">-13.32</FONT></TD>
    <TD nowrap valign="top"><FONT style="font-size: 10pt">%</FONT></TD>
</TR>
<TR valign="bottom" style="font-size: 10pt">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-size: 12pt"><I>2011&nbsp;year to date</I></FONT>
</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"><FONT style="font-size: 10pt">41,359,406</FONT></TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top"><FONT style="font-size: 10pt">41,325,938</FONT></TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top"><FONT style="font-size: 10pt">33,468</FONT></TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top"><FONT style="font-size: 10pt">0.08</FONT></TD>
    <TD nowrap valign="top"><FONT style="font-size: 10pt">%</FONT></TD>
</TR>
<TR valign="bottom" style="font-size: 10pt">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-size: 12pt">June</FONT>
</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"><FONT style="font-size: 10pt">9,185,722</FONT></TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top"><FONT style="font-size: 10pt">10,335,635</FONT></TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top"><FONT style="font-size: 10pt">-1,149,913</FONT></TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top"><FONT style="font-size: 10pt">-11.13</FONT></TD>
    <TD nowrap valign="top"><FONT style="font-size: 10pt">%</FONT></TD>
</TR>
<TR valign="bottom" style="font-size: 10pt">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-size: 12pt"><I>2011&nbsp;year to date</I></FONT>
</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"><FONT style="font-size: 10pt">56,267,539</FONT></TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top"><FONT style="font-size: 10pt">56,460,309</FONT></TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top"><FONT style="font-size: 10pt">-192,770</FONT></TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top"><FONT style="font-size: 10pt">-0.34</FONT></TD>
    <TD nowrap valign="top"><FONT style="font-size: 10pt">%</FONT></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


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

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="right"><FONT style="font-size: 12pt">2)</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD><FONT style="font-size: 12pt">Funds lent to other parties (NT$ Thousand) : None</FONT></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">5,617,360</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">&#151;</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">8,298</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 align="right">5,441</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">14,470,323</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 align="right">6,777</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;99.9</B>



<P align="center" style="font-size: 12pt"><B>United Microelectronics Corporation</B><BR>
For the month of June, 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="10%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="27%">&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="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="6%">&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<BR>
shares held as of<BR>
My 31, 2011</I></FONT>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="3" align="center" valign="top"><FONT style="font-size: 10pt"><I>Number of shares<BR>
held as of<BR>
June&nbsp;30, 2011</I></FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD nowrap colspan="3" align="center" 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 nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD nowrap valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom" style="font-size: 10pt">
    <TD align="left" valign="top"><FONT style="font-size: 12pt">Chairman</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Stan Hung
</TD>
    <TD>&nbsp;</TD>
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">11,641,452
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">13,541,452</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">1,900,000</TD>
    <TD nowrap valign="top">&nbsp;</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 nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD nowrap valign="top">&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="14%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="18%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="16%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="16%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="16%">&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>My 31, 2011</I></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><I>June 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">NA</FONT>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><FONT style="font-size: 12pt"><BR></FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><FONT style="font-size: 12pt"><BR></FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><FONT style="font-size: 12pt"><BR></FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><FONT style="font-size: 12pt"><BR></FONT></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



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




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</BODY>

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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
