<SEC-DOCUMENT>0001564590-22-015837.txt : 20220427
<SEC-HEADER>0001564590-22-015837.hdr.sgml : 20220427
<ACCEPTANCE-DATETIME>20220427060125
ACCESSION NUMBER:		0001564590-22-015837
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20220427
FILED AS OF DATE:		20220427
DATE AS OF CHANGE:		20220427

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:			F5
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15128
		FILM NUMBER:		22856128

	BUSINESS ADDRESS:	
		STREET 1:		8F, NO.68, SEC. 1, NEIHU RD.,
		CITY:			TAIPEI
		STATE:			F5
		ZIP:			11493
		BUSINESS PHONE:		886-2-2658-9168

	MAIL ADDRESS:	
		STREET 1:		8F, NO.68, SEC. 1, NEIHU RD.,
		CITY:			TAIPEI
		STATE:			F5
		ZIP:			11493
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>umc-6k_20220427.htm
<DESCRIPTION>6-K
<TEXT>
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<p style="border-top:Solid 0.75pt #000000;padding-top:0pt;text-align:center;margin-top:1pt;line-height:1pt;margin-bottom:0pt;text-indent:0%;font-size:4pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="text-align:center;border-top:Solid 1pt;padding-top:1pt;margin-top:1pt;line-height:1pt;margin-bottom:0pt;text-indent:0%;font-size:4pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="text-align:center;margin-top:4pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">UNITED STATES </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">SECURITIES AND EXCHANGE COMMISSION </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Washington, D.C. 20549 </p>
<p style="text-align:center;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:6pt;margin-top:6pt;margin-left:40%;margin-right:40%;text-indent:0%;font-size:3pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">FORM&#160;6-K </p>
<p style="text-align:center;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:6pt;margin-top:6pt;margin-left:40%;margin-right:40%;text-indent:0%;font-size:3pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">REPORT OF FOREIGN ISSUER </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">PURSUANT TO RULE 13a-16 OR 15d-16 </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">OF THE SECURITIES EXCHANGE ACT OF 1934 </p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">April 27, 2022 </p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(Commission File Number:&#160;001-15128) </p>
<p style="text-align:center;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:6pt;margin-top:6pt;margin-left:40%;margin-right:40%;text-indent:0%;font-size:3pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:24pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">United Microelectronics Corporation</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(Translation of registrant&#8217;s name into English) </p>
<p style="text-align:center;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:6pt;margin-top:6pt;margin-left:40%;margin-right:40%;text-indent:0%;font-size:3pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">No.3 Li Hsin Road II </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Science Park </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Hsinchu, Taiwan, R.O.C. </p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(Address of principal executive office) </p>
<p style="text-align:center;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:6pt;margin-top:6pt;margin-left:40%;margin-right:40%;text-indent:0%;font-size:3pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Indicate by check mark whether the registrant files or will file annual reports under cover Form&#160;20-F or Form&#160;40-F. </p>
<p style="text-align:center;margin-top:6pt;margin-bottom:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Form&#160;20-F&#160;&#160;<font style="font-family:'Times New Roman';"><font style="font-size:10pt;font-family:'Times New Roman'">&#9746;</font></font>&#160;&#160;&#160;&#160;&#160;&#160;Form 40-F&#160;&#160;<font style="font-family:'Times New Roman';"><font style="font-size:10pt;font-family:'Times New Roman'">&#9744;</font></font></p>
<p style="margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Indicate by check mark if the registrant is submitting the Form&#160;6-K in paper as permitted by Regulation S-T Rule&#160;101&#160;(b)&#160;(1): <font style="font-family:'Times New Roman';"><font style="font-size:10pt;font-family:'Times New Roman'">&#9744;</font></font></p>
<p style="margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Indicate by check mark if the registrant is submitting the Form&#160;6-K in paper as permitted by Regulation S-T Rule&#160;101&#160;(b)&#160;(7): <font style="font-family:'Times New Roman';"><font style="font-size:10pt;font-family:'Times New Roman'">&#9744;</font></font></p>
<p style="margin-top:6pt;margin-bottom:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="text-decoration:underline;">&nbsp;</font></p>
<p style="text-align:center;margin-top:10pt;line-height:1pt;border-top:Solid 0.75pt #000000;padding-top:0pt;margin-bottom:0pt;text-indent:0%;font-size:4pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="text-align:center;margin-top:1pt;line-height:1pt;border-top:Solid 1pt;padding-top:1pt;margin-bottom:0pt;text-indent:0%;font-size:4pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:11pt;">&nbsp;</p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-size:10pt;">&nbsp;</p>
<hr style="page-break-after:always;width:100%;">
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:11pt;">&nbsp;</p><a name="_AEIOULastRenderedPageBreakAEIOU1"></a>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><font style="text-decoration:underline;">SIGNATURES </font></p>
<p style="margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">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, thereto duly authorized. </p>
<p style="margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-size:12pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<div align="right">
<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:45%;">
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<td colspan="2" valign="top"  style="width:100%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;text-align:left;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">United Microelectronics Corporation</p></td>
</tr>
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<td colspan="2" valign="top"  style="width:100%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;text-align:left;">&nbsp;</p></td>
</tr>
<tr style="height:12pt;">
<td valign="middle"  style="width:10.98%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:12pt;text-align:left;">&nbsp;</p></td>
<td valign="middle"  style="width:89.02%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:12pt;text-align:left;">&nbsp;</p></td>
</tr>
<tr style="height:15.3pt;">
<td valign="top"  style="width:10.98%; border-bottom:solid 1pt transparent;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;text-align:left;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">By:</p></td>
<td valign="bottom"  style="width:89.02%; border-bottom:solid 1pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;text-align:left;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Chitung Liu</p></td>
</tr>
<tr>
<td valign="top"  style="width:10.98%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;text-align:left;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Name:</p></td>
<td valign="bottom"  style="width:89.02%; border-top:solid 1pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;text-align:left;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Chitung Liu</p></td>
</tr>
<tr>
<td valign="top"  style="width:10.98%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;text-align:left;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Title:</p></td>
<td valign="bottom"  style="width:89.02%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;text-align:left;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">CFO</p></td>
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<p style="margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Date: April&#160;27, 2022 </p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:11pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:11pt;">&nbsp;</p>
<p style="margin-bottom:10pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><br /></p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2</a></p>
<hr style="page-break-after:always;width:100%;">
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:11pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:11pt;">&nbsp;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">EXHIBIT INDEX </p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
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<table border="0" cellspacing="0" cellpadding="0" align="center" style="border-collapse:collapse; width:100%;">
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<td valign="bottom"  style="width:5.06%; border-bottom:solid 1pt #000000;white-space:nowrap;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Exhibit<font style="font-weight:normal;">&#160;</font></p></td>
<td valign="top"  style="width:1.46%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;;font-size:8pt;">&nbsp;</p></td>
<td valign="bottom"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:93.48%; border-bottom:solid 1pt #000000;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Description<font style="font-weight:normal;">&#160;</font></p></td>
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<td valign="top"  style="padding-left:0pt;padding-Right:0pt;padding-Top:0pt;padding-Bottom:0pt;width:5.06%; border-top:solid 1pt #000000;white-space:nowrap;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:6pt;">&nbsp;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">99</p></td>
<td valign="top"  style="width:1.46%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&nbsp;</p></td>
<td valign="top"  style="width:93.48%; border-top:solid 1pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:6pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="umc-ex99_6.htm"><font style="text-decoration:underline;">6K on 04/27/2022</font></a></p></td>
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<p style="margin-top:0pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:11pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:11pt;">&nbsp;</p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">3</a></p></body>
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<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>umc-ex99_6.htm
<DESCRIPTION>EX-99
<TEXT>
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<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-weight:bold;;font-size:12pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Arial;font-style:normal;text-transform:none;font-variant: normal;"><img src="gll4dk3azrzk000001.jpg" title="" alt="" style="width:180px;height:56px;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;www.umc.com</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Arial Unicode MS;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> <font style="font-weight:bold;font-size:12pt;font-family:Times New Roman;">Exhibit</font></p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="text-decoration:underline;">Exhibit</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<font style="text-decoration:underline;">Description</font> </p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:15.3%;text-indent:-15.3%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">99.1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;Announcement on 2022/04/27: Announcement of board meeting approved the consolidated financial statements for the first quarter of 2022</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:15.3%;text-indent:-15.3%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">99.2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;Announcement on 2022/04/27: The board meeting approved capital budget execution</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:15.3%;text-indent:-15.3%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">99.3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;Announcement on 2022/04/27: To announce related materials on acquisition of UNITED SEMICONDUCTOR (XIAMEN) CO., LTD.</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:15.3%;text-indent:-15.3%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">99.4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;Announcement on 2022/04/27: UMC announced its operating results for the first quarter of 2022</p>
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<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Exhibit 99.1</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Announcement of board meeting approved the consolidated financial statements for the first quarter of 2022</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">1. Date of submission to the board of directors or approval by the board of directors: 2022/04/27</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2. Date of approval by the audit committee: 2022/04/27</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">3. Start and end dates of financial reports or annual self-assessed financial information of the reporting period (XXXX/XX/XX~XXXX/XX/XX): 2022/01/01~2022/03/31</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">4. Operating revenue accumulated from 1/1 to end of the period (thousand NTD): 63,422,820</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">5. Gross profit (loss) from operations accumulated from 1/1 to end of the period (thousand NTD): 27,504,330</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">6. Net operating income (loss) accumulated from 1/1 to end of the period (thousand NTD): 22,334,187</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">7. Profit (loss) before tax accumulated from 1/1 to end of the period (thousand NTD): 23,647,874</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">8. Profit (loss) accumulated from 1/1 to end of the period (thousand NTD): 20,065,623</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">9. Profit (loss) during the period attributable to owners of parent accumulated from 1/1 to end of the period (thousand NTD): 19,807,535</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">10. Basic earnings (loss) per share accumulated from 1/1 to end of the period (NTD): 1.61</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">11. Total assets end of the period (thousand NTD): 482,908,516</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">12. Total liabilities end of the period (thousand NTD): 180,623,409</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">13. Equity attributable to owners of parent end of the period (thousand NTD): 301,990,838</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">14. Any other matters that need to be specified: NA</p>
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<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">The board meeting approved capital budget execution</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">1. Date of the resolution of the board of directors or shareholders meeting: 2022/04/27</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2. Content of the investment plan: capital budget execution</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">3. Projected monetary amount of the investment: NTD 10,833 million</p>
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<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">6. Specific purpose: capacity deployment</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">7. Any other matters that need to be specified: none</p>
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<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Exhibit 99.3</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">To announce related materials on acquisition of UNITED SEMICONDUCTOR (XIAMEN) CO., LTD.</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">1. Date of occurrence of the event: 2022/04/27</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2. Method of the current increase (decrease) in investment:</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The company plans to increase capital of RMB 4,116,048,200 or equivalent US dollars (approximately US dollars 663,878,742) in Cayman Islands subsidiary UNITED MICROCHIP CORPORATION via the company&#8217;s Samoa subsidiary GREEN EARTH LIMITED to purchase the share of UNITED SEMICONDUCTOR (XIAMEN) CO., LTD. (hereinafter referred to as USCXM) from XIAMEN JINYUAN INDUSTRY DEVELOPMENT CO., LTD.; the company&#8217;s subsidiary, HEJIAN TECHNOLOGY (SUZHOU) CO., LTD., plans to purchase share of USCXM with RMB 742,238,200 (approximately US Dollars 119,715,839) from FUJIAN ELECTRONIC INFORMATION INDUSTRY VENTURE CAPITAL PARTNERSHIP (LIMITED PARTNERSHIP) (hereinafter referred to as FUJIAN ELECTRONICS &amp; INFORMATION LIMITED PARTNERSHIP); the total investment amount is RMB 4,858,286,400.</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The transaction will be completed in consecutive three years at the ratio of 60%, 20% and 20%.</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">3. Amount, unit price, and total monetary amount of the transaction:</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Trading volume: NA;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Price per unit: NA;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Total amount: RMB4,858,286,400 (approximately NTD21,497,917,320)</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">4. Company name of the mainland Chinese investee: UNITED SEMICONDUCTOR (XIAMEN) CO., LTD.</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">5. Paid-in capital of aforementioned mainland Chinese investee: RMB14,697,794,000</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">6. Amount of capital increase currently planned for the aforementioned mainland Chinese investee: RMB0</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">7. Main businesses of the aforementioned mainland Chinese investee: Integrated circuit manufacturing</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">8. Type of CPA opinion in the latest annual financial statements of the aforementioned mainland Chinese investee: Standard unqualified audit opinion</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">9. Total equity of the aforementioned mainland Chinese investee in the latest annual financial statements: RMB5,396,328,825.52</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">10. Amount of profit/loss of the aforementioned mainland Chinese investee in the latest annual financial statements: Loss of RMB548,241,350.56</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">11. Amount of actual investment in the aforementioned mainland Chinese investee, up to the present moment:</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Including the present investment is RMB15,139,456,400 (Including UNITED MICROCHIP CORPORATION invests in&nbsp;&nbsp;RMB10,556,958,200, and HEJIAN TECHNOLOGY (SUZHOU) CO., LTD. invests in RMB4,582,498,200)</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">12. Trading counterparty and its relationship with the Company:</p>
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<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">XIAMEN JINYUAN INDUSTRY DEVELOPMENT CO., LTD. (subsidiary director and supervisor)</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">FUJIAN ELECTRONICS &amp; INFORMATION LIMITED PARTNERSHIP (Subsidiary Director)</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">13. Where the trading counterparty is a related party, announcement shall also be made of the reason for choosing the related party as trading counterparty and the identity of the previous owner, its relationship with the Company and the trading counterparty, and the previous date and monetary amount of transfer:</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Reason for choosing the related person as the transaction object: the shareholder of USCXM</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Owner of previous transferred, transfer price and acquisition date: NA</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">14. Where an owner of the underlying assets within the past five years has been a related party of the Company, the announcement shall also include the date and price of acquisition and disposal by the related party, and its relationship with the Company at the time of the transaction:</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Transfer price and acquisition date: USCXM&#8217;s previous capital increase</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">XIAMEN JINYUAN INDUSTRY DEVELOPMENT CO., LTD. (subsidiary director and supervisor)</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">November 7, 2014, RMB 20,000,000</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">January 9, 2015, RMB 75,000,000 </p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">February 15, 2015, RMB 944,362,222.62 </p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">February 4, 2016, RMB 2,702,499,777.38 </p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">FUJIAN ELECTRONICS &amp; INFORMATION LIMITED PARTNERSHIP (Subsidiary Director)</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">November 7, 2014, RMB 3,100,000 </p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">January 9, 2015, RMB 1,900,000 </p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">February 15, 2015, RMB 87,013,000 </p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">March 24, 2015 RMB 95,427,000 </p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">July 26, 2016, RMB 487,322,000</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">15. Profit (or loss) upon disposal: NA</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">16. Terms of delivery or payment (including payment period and monetary amount), restrictive covenants in the contract, and other important terms and conditions:</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Terms of delivery or payment: In accordance with the agreement</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Restrictive covenants in the contract: None</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Other important stipulations: None</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">17. The manner in which the current transaction was decided, the reference basis for the decision on price, and the decision-making unit:</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The decision making manner: Based on the Acquisition or Disposal of Assets Procedure</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Reference for the decision on price: In accordance with the agreement</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The decision-making department: Board of Directors</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">18. Broker: None</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">19. Concrete purpose of the acquisition or disposal: Long term investment</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">20. Any dissenting opinions of directors to the present transaction: None</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">21. Whether the counterparty of the current transaction is a related party: Yes</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">22. Date of the board of directors resolution: 2022/04/27</p>
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<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">23. Date of ratification by supervisors or approval by the Audit Committee: 2022/04/27</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">24. Total amount of investment in mainland China (including the current investment) approved by the Investment Commission, up to the present moment: USD2,006,722,072</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">25. Ratio of the total amount of investment in mainland China (including the current investment) approved by the Investment Commission, up to the present moment, to the paid-in capital on the latest financial statements: 47.02%</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">26. Ratio of the total amount of investment in mainland China (including the current investment) approved by the Investment Commission, up to the present moment, to the total assets on the latest financial statements: 14.52%</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">27. Ratio of the total amount of investment in mainland China (including the current investment) approved by the Investment Commission, up to the present moment, to equity attributable to owners of the parent on the latest financial statements: 20.89%</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">28. Total amount of actual investment in mainland China, up to the present moment: USD1,342,843,330</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">29. Ratio of the total amount of actual investment in mainland China, up to the present moment, to the paid-in capital on the latest financial statements: 31.46%</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">30. Ratio of the total amount of actual investment in mainland China, up to the present moment, to the total assets on the latest financial statements: 9.71%</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">31. Ratio of the total amount of actual investment in mainland China, up to the present moment, to equity attributable to owners of the parent on the latest financial statements: 13.98%</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">32. Amount of recognized profit (loss) on investment in mainland China for the last three years:</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2019: NTD-5,440,179 thousand; </p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2020: NTD-1,946,284 thousand;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2021: NTD3,030,044 thousand;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">33. Amount of profit remitted back to Taiwan for the last three years: RMB0</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">34. Whether the CPA issued an unreasonable opinion regarding the current transaction: No</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">35. Name of the CPA firm: Kau Wei CPAs Firm</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">36. Name of the CPA: Wenching Tsai</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">37. Practice certificate number of the CPA: Tai Cai Zheng Deng (Six) Zi No. 1494</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">38. Any other matters that need to be specified:</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The company plans to increase capital of RMB 4,116,048,200 or equivalent US dollars (approximately US dollars 663,878,742) in Cayman Islands subsidiary UNITED MICROCHIP CORPORATION with its own cash via the company&#8217;s Samoa subsidiary GREEN EARTH LIMITED to purchase back the share of USCXM from XIAMEN JINYUAN INDUSTRY DEVELOPMENT CO., LTD. which was originally invested in USCXM with capital contribution of RMB 3,741,862,000, and the company's subsidiary, HEJIAN TECHNOLOGY (SUZHOU) CO., LTD, plans to purchase share of USCXM with RMB 742,238,200 (approximately US Dollars 119,715,839) from FUJIAN ELECTRONICS &amp; INFORMATION LIMITED PARTNERSHIP which was originally invested in USCXM with capital contribution of RMB 674,762,000.</p>
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<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The repurchase aforementioned will be carried out in co</font><font style="font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">nsecutive 3 years from July 20</font><font style="font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">22</font><font style="font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">, with the percentage prescribed as 60%, 20% and 20%.</font></p>
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<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Exhibit 99.4</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">UMC announced its operating results for the first quarter of 2022</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">1. Date of occurrence of the event: 2022/04/27</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2. Company name: UNITED MICROELECTRONICS CORPORATION</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">3. Relationship to the Company (please enter &#8220;head office&#8221; or &#8220;subsidiaries&#8221;): head office</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">4. Reciprocal shareholding ratios: N/A</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">5. Cause of occurrence:</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">UMC Reports First Quarter 2022 Results</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">12i P3 Singapore expansion plan addresses long term structural demand in 22/28nm</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">First Quarter 2022 Overview:</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#8231;Revenue: NT$63.42 billion (US$2.22 billion)</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#8231;Gross margin: 43.4%; Operating margin: 35.2%</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#8231;Revenue from 22/28nm: 20%</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#8231;Capacity utilization rate: 100%+</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#8231;Net income attributable to shareholders of the parent: NT$19.81 billion (US$692 million)</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#8231;Earnings per share: NT$1.61; earnings per ADS: US$0.281</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Taipei, Taiwan, ROC &#8211; April 27, 2022 &#8211; United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (&#8220;UMC&#8221; or &#8220;The Company&#8221;), a leading global semiconductor foundry, today announced its consolidated operating results for the first quarter of 2022.</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">First quarter consolidated revenue was NT$63.42 billion, increasing 7.3% QoQ from NT$59.10 billion in 4Q21. Compared to a year ago, 1Q22 revenue grew 34.7% YoY from NT$47.10 billion in 1Q21. Consolidated gross margin for 1Q22 was 43.4%. Net income attributable to the shareholders of the parent was NT$19.81 billion, with earnings per ordinary share of NT$1.61.</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Jason Wang, UMC co-president, said, &#8220;We started 2022 with solid first quarter, as strong wafer demand kept our fabs operating at full capacity. Although wafer shipments declined slightly, higher average blended pricing lifted our overall revenue. While we have observed general end-market&#8217;s tapering of cyclical demand associated with the COVID-19 pandemic, UMC&#8217;s business continued to be well supported by structural trends that are increasing silicon content in devices and driving new applications. Specialty technologies such as non-volatile memory, power management, RF-SOI, and OLED display drivers are necessary for applications across 5G, AIoT, and automotive mega-trends, and our strategy to focus on leading specialty technologies has been successful, which now contribute more than half of our wafer revenue. An </p>
<hr style="page-break-after:always;width:100%;">
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-weight:bold;;font-size:12pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><font style="font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">increasing</font><font style="font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </font><font style="font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">number of customers are recognizing the value of our customized specialty</font><font style="font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </font><font style="font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">processes and forming long-term partnerships with UMC.&#8221; </font></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Co-president Wang said, &#8220;Looking ahead, we expect the positive demand outlook will remain unchanged despite some market volatility caused by the pandemic and geopolitical issues. The expansion at our Fab 12A P5 is coming online in the current quarter, which will help us meet excess 28nm demand that we haven&#8217;t been able to fulfill. We are also actively adding capacity at our overseas bases to support our customers&#8217; long-term growth. The announced new fab to be built at our Singapore site, which will address growing 22/28nm demand, has already secured multi-year supply agreements from 2024. We also announced a collaboration with DENSO on the production of power semiconductors at USJC&#8217;s 300mm fab in order to serve the growing demand in the automotive market. The collaboration demonstrates our strong commitment to supporting our customers amid constraints in the automotive value chain. As part of the industry mega-trends, the accelerating adoption of electric vehicles will serve as a growth catalyst for our automotive business. We are excited to be selected as the foundry partner for many global leading customers as we aim to expand our market share in the fast-growing automotive segment.&#8221;</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Co-president Wang added, &#8220;Corporate sustainability has long been a key priority for UMC, and it is now also embedded in our new company vision and mission statements, which was unveiled earlier this year. We were pleased to be chosen from over 7,500 companies for the S&amp;P Global 2022 Sustainability Yearbook released, for which we received the Gold Class Award. The company has ambitious goals when it comes to sustainability, and we will continue prioritizing resources so that we can deliver on our ESG promises.&#8221;</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Second Quarter 2022 Outlook &amp; Guidance</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#8231;Wafer Shipments: To increase by 4-5%</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#8231;ASP in USD: To increase by 3-4%</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#8231;Gross Profit Margin: To be approximately 45%</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#8231;Capacity Utilization: 100%</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#8231;2022 CAPEX: US$3.6 billion</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&nbsp;</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">6. Countermeasures: N/A</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-right:10.2%;text-indent:0%;font-size:12pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">7. Any other matters that need to be specified: N/A</p></body>
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