Mga Batayang Estadistika
| LEI | 391200YJCAGH9LF96P73 |
| CIK | 1033767 |
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis.
These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to United Microelectronics Corporation - Depositary Receipt (Common Stock)
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
| September 4, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 September 4, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of p |
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| September 4, 2025 |
Balance as of period end This Month Last Month www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/09/04: August Revenue Exhibit 99.1 United Microelectronics Corporation September 4, 2025 This is to report the changes or status of 1) Sales volume, 2) Funds lent to other parties, 3) Endorsements and guarantees, and 4) Financial derivative transactions for the period of August 2025. 1) Sales volume (NT$ Thousand) Period Items 2025 |
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| August 13, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 August 13, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of pri |
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| August 13, 2025 |
Represent subsidiary Tera Energy Development Co., Ltd. to announce merger of PURIUMFIL Inc. www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/08/13: Represent subsidiary Tera Energy Development Co., Ltd. to announce merger of PURIUMFIL Inc. 99.2 Announcement on 2025/08/13: Supplement to the unsecured straight corporate bond issuance authorized by the Board of Director resolution passed on April 23rd, 2025 Exhibit 99.1 Represent subsidiary Tera Energy Development Co., Ltd. |
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| August 12, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 August 12, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of pri |
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| August 12, 2025 |
To announce the registration of capital reduction due to cancellation of the RSA www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/08/06: To announce the registration of capital reduction due to cancellation of the RSA 99.2 Announcement on 2025/08/12: Represent major subsidiary United Semiconductor (Xiamen) Co., Ltd. to announce important resolutions of the 2025 Extraordinary Shareholders’ Meeting 99.3 Announcement on 2025/08/12: Represent major subsidiary Unit |
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| August 6, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 August 6, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of prin |
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| August 6, 2025 |
Balance as of period end This Month Last Month www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/08/06: July Revenue Exhibit 99.1 United Microelectronics Corporation August 6, 2025 This is to report the changes or status of 1) Sales volume, 2) Funds lent to other parties, 3) Endorsements and guarantees, and 4) Financial derivative transactions for the period of July 2025. 1) Sales volume (NT$ Thousand) Period Items 2025 2024 Ch |
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| July 30, 2025 |
www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/07/30: Announcement of board meeting approved the consolidated financial statements for the second quarter of 2025 99.2 Announcement on 2025/07/30: The board meeting approved capital budget execution 99.3 Announcement on 2025/07/30: The Board of Directors Approved the Cancellation of Restricted Shares to Employees Stock Awards 99.4 |
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| July 30, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 July 30, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of princ |
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| July 30, 2025 |
UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH REPORT OF INDEPENDENT AUDITORS FOR THE SIX-MONTH PERIODS ENDED JUNE 30, 2025 AND 2024 Address: No. |
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| July 30, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 July 30, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of princ |
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| July 28, 2025 |
www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/07/28: Represent major subsidiary United Semiconductor (Xiamen) Co., Ltd. to announce resignation of Director and Vice Chairman 99.2 Announcement on 2025/07/28: Represent major subsidiary United Semiconductor (Xiamen) Co., Ltd. to announce the Board Resolution to Convene a 2025 Extraordinary Shareholders’ Meeting Exhibit 99.1 Repres |
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| July 28, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 July 28, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of princ |
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| July 22, 2025 |
To announce related materials on acquisition of Software www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/07/14: To announce related materials on acquisition of Software 99.2 Announcement on 2025/07/16: UMC will convene Q2 2025 Investor Conference 99.3 Announcement on 2025/07/22: Announcement of the Company’s Board Meeting Date of Q2, 2025 Consolidated Financial Report Exhibit 99.1 To announce related materials on acquisition of Softwar |
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| July 22, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 July 22, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of princ |
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| July 10, 2025 |
United Microelectronics Corporation For the month of June, 2025 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/07/09: the trading and pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC Exhibit 99.1 United Microelectronics Corporation For the month of June, 2025 This is to report 1) the trading of directors, executive officers and 10% shareholders of United Microelectronics Corporation (“UMC”) (NYSE: UMC) |
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| July 10, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 July 10, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of princ |
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| July 7, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 July 7, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of princi |
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| July 7, 2025 |
Balance as of period end This Month Last Month www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/07/07: June Revenue Exhibit 99.1 United Microelectronics Corporation July 7, 2025 This is to report the changes or status of 1) Sales volume, 2) Funds lent to other parties, 3) Endorsements and guarantees, and 4) Financial derivative transactions for the period of June 2025. 1) Sales volume (NT$ Thousand) Period Items 2025 2024 Chan |
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| June 30, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 June 30, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of princ |
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| June 30, 2025 |
To announce related materials on acquisition of Software www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/06/26: To announce related materials on acquisition of Software Exhibit 99.1 To announce related materials on acquisition of Software 1. Name and nature of the underlying asset (e.g., land located at Sublot XX, Lot XX, North District, Taichung City): Software for production 2. Date of occurrence of the event: 2025/06/23~2025/06/26 3 |
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| June 20, 2025 |
www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/06/18: Supplement to the unsecured straight corporate bond issuance authorized by the Board of Director resolution passed on April 23rd, 2025 Exhibit 99.1 Supplement to the unsecured straight corporate bond issuance authorized by the Board of Director resolution passed on April 23rd, 2025 1. Date of the board of directors’ resolutio |
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| June 20, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 June 20, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of princ |
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| June 10, 2025 |
United Microelectronics Corporation For the month of May, 2025 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/06/09: the trading and pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC Exhibit 99.1 United Microelectronics Corporation For the month of May, 2025 This is to report 1) the trading of directors, executive officers and 10% shareholders of United Microelectronics Corporation (“UMC”) (NYSE: UMC); |
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| June 10, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 June 10, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of princ |
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| June 5, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 June 5, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of princi |
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| June 5, 2025 |
Balance as of period end This Month Last Month www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/06/05: May Revenue Exhibit 99.1 United Microelectronics Corporation June 5, 2025 This is to report the changes or status of 1) Sales volume, 2) Funds lent to other parties, 3) Endorsements and guarantees, and 4) Financial derivative transactions for the period of May 2025. 1) Sales volume (NT$ Thousand) Period Items 2025 2024 Change |
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| June 4, 2025 |
The Board of Directors resolved to adjust cash dividend ratio www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/06/04: The Board of Directors resolved to adjust cash dividend ratio 99.2 Announcement on 2025/06/04: The Company announced the record date for cash dividend 99.3 Announcement on 2025/06/04: The Board of Directors resolved to release the managerial officer from non-competition restrictions Exhibit 99.1 The Board of Directors resolve |
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| June 4, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 June 4, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of princi |
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| May 29, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report United Microelectronics Corporation (“UMC”) (Exact name of registrant as specified in its charter) State or other jurisdiction of incorporation or organization: Taiwan, R.O.C. Address of principal executive offices & Zip Code: No.3, Li-Hsin Road. II, Hsinchu Science Park, Hsinchu City, Tai |
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| May 29, 2025 |
Exhibit 1.01 Exhibit 1.01 Conflict Minerals Disclosure and Report In accordance with the execution of this SD Form, UMC has concluded in good faith that during 2024 (a) UMC is a manufacturer and seller of patterned semiconductor wafers and/or die cut from such wafers. Various materials, inclusive of but not limited to tantalum, tin, gold and tungsten (“Conflict Minerals”) are necessary for the fun |
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| May 28, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 May 28, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of princi |
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| May 28, 2025 |
Important Resolutions from UMC’s 2025 Annual General Meeting www.umc.com Exhibit Exhibit Description 99 Announcement on 2025/05/28: Important Resolutions from UMC’s 2025 Annual General Meeting Exhibit 99 Important Resolutions from UMC’s 2025 Annual General Meeting 1. Date of the shareholders meeting: 2025/05/28 2. Important resolutions (1) Profit distribution/ deficit compensation: Approved the Company’s 2024 earnings distribution 10,340,773,899 shares were |
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| May 15, 2025 |
UMC will attend investor conferences on 2025/05/19 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/05/12: UMC will attend investor conferences on 2025/05/19 99.2 Announcement on 2025/05/12: UMC will attend investor conferences on 2025/05/21~2025/05/23 Exhibit 99.1 UMC will attend investor conferences on 2025/05/19 1. Date of institutional investor conference: 2025/05/19 2. Time of institutional investor conference: 09:00 AM 3. Lo |
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| May 15, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 May 15, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of princi |
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| May 8, 2025 |
Balance as of period end This Month Last Month www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/05/08: To announce the registration of capital reduction due to cancellation of the RSA 99.2 Announcement on 2025/05/08: April Revenue 99.3 Announcement on 2025/05/08: the trading and pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC Exhibit 99.1 To announce the registration of capital reductio |
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| May 8, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 May 8, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of princip |
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| April 24, 2025 |
CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 EX-13.2 Exhibit 13.2 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of United Microelectronics Corporation, or the Company, on Form 20-F for the fiscal year ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof, or the Report, I, Shan-Chieh Chien, Co-president of the Company, hereby certif |
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| April 24, 2025 |
CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 EX-13.3 Exhibit 13.3 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of United Microelectronics Corporation, or the Company, on Form 20-F for the fiscal year ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof, or the Report, I, Chitung Liu, Chief Financial Officer of the Company, hereby |
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| April 24, 2025 |
CERTIFICATION OF OUR CO-PRESIDENT EX-12.2 Exhibit 12.2 CERTIFICATION OF OUR CO-PRESIDENT I, Shan-Chieh Chien, certify that: 1. I have reviewed this annual report on Form 20-F of United Microelectronics Corporation; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such state |
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| April 24, 2025 |
Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF |
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| April 24, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 April 24, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of prin |
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| April 24, 2025 |
CERTIFICATION OF OUR CO-PRESIDENT EX-12.1 Exhibit 12.1 CERTIFICATION OF OUR CO-PRESIDENT I, Jason Wang, certify that: 1. I have reviewed this annual report on Form 20-F of United Microelectronics Corporation; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements |
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| April 24, 2025 |
CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 EX-13.1 Exhibit 13.1 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of United Microelectronics Corporation, or the Company, on Form 20-F for the fiscal year ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof, or the Report, I, Jason Wang, Co-president of the Company, hereby certify, pur |
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| April 24, 2025 |
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the following Registration Statements: (1) Registration Statement (Form S-8 No. 333-269038) pertaining to 2022 Plan Governing the Issuance of Restricted Stock Awards for Employees of United Microelectronics Corporation, and (2) Registration Statement (Form S-8 No. 333-284047) perta |
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| April 24, 2025 |
CERTIFICATION OF OUR CHIEF FINANCIAL OFFICER EX-12.3 Exhibit 12.3 CERTIFICATION OF OUR CHIEF FINANCIAL OFFICER I, Chitung Liu, certify that: 1. I have reviewed this annual report on Form 20-F of United Microelectronics Corporation; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such |
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| April 24, 2025 |
Policies and Procedures for Refraining from Insider Trading Exhibit 11.3 Policies and Procedures for Refraining from Insider Trading Insider trading laws prohibit the trade (purchase, including short, or sale) of securities while aware of material non-public information, and prohibit disclosure of material non-public information to others who then trade in the affected securities. The potential consequences for the Company’s directors, supervisors, officer |
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| April 24, 2025 |
www.umc.com Exhibit Exhibit Description 99 Announcement on 2025/04/24: To announce the differences for 2024 consolidated financial statements between TIFRSs and IFRSs as issued by the IASB. Exhibit 99 To announce the differences for 2024 consolidated financial statements between TIFRSs and IFRSs as issued by the IASB. 1. Date of occurrence of the event: 2025/04/24 2. Year/Quarter of the financial |
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| April 24, 2025 |
(Translation) Articles of Incorporation of United Microelectronics Corporation Exhibit 1.1 (Translation) Articles of Incorporation of United Microelectronics Corporation Last Updated: May 30, 2024 Section I General Provisions Article 1 The Company shall be incorporated as a company limited by shares under the Company Act and its name shall be “聯華電子股份有限公司” in the Chinese Language, and “United Microelectronics Corporation” in the English language. Article 2 The scope of busine |
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| April 23, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 April 23, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of prin |
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| April 23, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 April 23, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. (Address of prin |
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| April 23, 2025 |
UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH REPORT OF INDEPENDENT AUDITORS FOR THE THREE-MONTH PERIODS ENDED MARCH 31, 2025 AND 2024 Address: No. |
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| April 23, 2025 |
Announcement of the Company's Board Meeting Date of Q1, 2025 Consolidated Financial Report www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/04/15: Announcement of the Company's Board Meeting Date of Q1, 2025 Consolidated Financial Report 99.2 Announcement on 2025/04/23: Announcement of board meeting approved the consolidated financial statements for the first quarter of 2025 99.3 Announcement on 2025/04/23: The board meeting approved capital budget execution 99.4 Announ |
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| April 10, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 April 10, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princi |
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| April 10, 2025 |
Balance as of period end This Month Last Month www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/04/09: UMC will convene Q1 2025 Investor Conference 99.2 Announcement on 2025/04/08: March Revenue 99.3 Announcement on 2025/04/09: the trading and pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC Exhibit 99.1 UMC will convene Q1 2025 Investor Conference 1. Date of institutional investor confe |
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| April 1, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 April 1, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princip |
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| April 1, 2025 |
To clarify news reported by Economic Daily News on April 1, 2025 www.umc.com Exhibit Exhibit Description 99 Announcement on 2025/04/01: To clarify news reported by Economic Daily News on April 1, 2025 Exhibit 99 To clarify news reported by Economic Daily News on April 1, 2025 1. Date of occurrence of the event: 2025/04/01 2. Company name: UNITED MICROELECTRONICS CORP. 3. Relationship with the Company (please enter “the company itself” or “subsidiaries”): the co |
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| March 20, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 20, 2025 Commission File Number: 001-15128 United Microelectronics Corporation ——————————————————————————————————— (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science P |
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| March 20, 2025 |
UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH REPORT OF INDEPENDENT AUDITORS FOR THE YEARS ENDED DECEMBER 31, 2024 AND 2023 Address: No. |
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| March 11, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 March 11, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princi |
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| March 11, 2025 |
To announce the registration of capital reduction due to cancellation of the RSA www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/03/10: To announce the registration of capital reduction due to cancellation of the RSA 99.2 Announcement on 2025/03/11: UMC will attend investor conferences on 2025/03/18~2025/03/19 99.3 Announcement on 2025/03/06: February Revenue 99.4 Announcement on 2025/03/10: the trading and pledge of UMC common shares by directors, executive |
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| February 26, 2025 |
Announcement of the Company’s Board Meeting Date of 2024 Financial Reports www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/02/18: Announcement of the Company’s Board Meeting Date of 2024 Financial Reports 99.2 Announcement on 2025/02/18: To announce the board of directors not to distribute dividends on behalf of subsidiary UMC GROUP (USA) 99.3 Announcement on 2025/02/21: UMC will attend investor conferences on 2025/02/26 99.4 Announcement on 2025/02/26: |
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| February 26, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 February 26, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of pri |
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| February 11, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 February 11, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of pri |
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| February 11, 2025 |
UMC will attend investor conferences on 2025/02/17 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/02/11: UMC will attend investor conferences on 2025/02/17 99.2 Announcement on 2025/02/07: January Revenue 99.3 Announcement on 2025/02/10: the trading and pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC Exhibit 99.1 UMC will attend investor conferences on 2025/02/17 1. Date of institutional |
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| January 21, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 January 21, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of prin |
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| January 21, 2025 |
UMC announced its operating results for the fourth quarter of 2024 www.umc.com Exhibit Exhibit Description 99 Announcement on 2025/01/21: UMC announced its operating results for the fourth quarter of 2024 Exhibit 99 UMC announced its operating results for the fourth quarter of 2024 1. Date of occurrence of the event: 2025/01/21 2. Company name: UNITED MICROELECTRONICS CORPORATION 3. Relationship to the Company (please enter “head office” or “subsidiaries”): head |
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| January 13, 2025 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 January 10, 2025 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of prin |
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| January 13, 2025 |
UMC will convene Q4 2024 Investor Conference www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2025/01/07: UMC will convene Q4 2024 Investor Conference 99.2 Announcement on 2025/01/07: December Revenue 99.3 Announcement on 2025/01/08: the trading and pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC Exhibit 99.1 UMC will convene Q4 2024 Investor Conference 1. Date of institutional investor co |
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| December 27, 2024 |
To announce related materials on acquisition of machinery and equipment www.umc.com Exhibit Exhibit Description 99 Announcement on 2024/12/19: To announce related materials on acquisition of machinery and equipment Exhibit 99 To announce related materials on acquisition of machinery and equipment 1. Name and nature of the underlying asset (e.g., land located at Sublot XX, Lot XX, North District, Taichung City): Machinery and equipment 2. Date of occurrence of the even |
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| December 27, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 December 27, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of pri |
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| December 26, 2024 |
As filed with the Securities and Exchange Commission on December 26, 2024 As filed with the Securities and Exchange Commission on December 26, 2024 Registration No. |
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| December 26, 2024 |
Articles of Incorporation United Microelectronics Corporation Exhibit 4.1 www.umc.com (Translation) Articles of Incorporation of United Microelectronics Corporation Last Updated: May 30, 2024 Section I General Provisions Article 1 The Company shall be incorporated as a company limited by shares under the Company Act and its name shall be “聯華電子股份有限公司” in the Chinese Language, and “United Microelectronics Corporation” in the English language. Article 2 The sco |
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| December 26, 2024 |
Exhibit 107 CALCULATION OF FILING FEE TABLES Form S-8 (Form Type) UNITED MICROELECTRONICS CORPORATION (Exact Name of Registrant as Specified in Its Charter) Table 1 – Newly Registered Securities Security Type Security Class Title (1) Fee Calculation Rule Amount Registered (2) Proposed Maximum Offering Price per Unit (3) Maximum Aggregate Offering Price Fee Rate Amount Registration Fee Equity Common Shares, NT$10. |
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| December 26, 2024 |
Exhibit 99.1 United Microelectronics Corporation (UMC) 2024 Plan Governing the Issuance of Restricted Stock Awards for Employees Article I Purpose of Issuance United Microelectronics Corporation (the "Company") and its subsidiaries (the "UMC Group"), in order to attract and retain key talents for the achievement of its medium- and long-term objectives, intends to encourage employees to spare no ef |
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| December 18, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 December 18, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of pri |
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| December 18, 2024 |
The board meeting approved capital budget execution www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/12/18: The board meeting approved capital budget execution 99.2 Announcement on 2024/12/18: The Company signs Corporate Power Purchase Agreement with Fengmiao Wind Power Co., Ltd. Exhibit 99.1 The board meeting approved capital budget execution 1. Date of the resolution of the board of directors or shareholders meeting: 2024/12/18 2 |
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| December 11, 2024 |
www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/12/05: The Company announced the record date for capital increase of the issuance of the 2024 restricted stock awards for Employee 99.2 Announcement on 2024/12/05: November Revenue 99.3 Announcement on 2024/12/09: the trading and pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC Exhibit 99.1 Th |
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| December 11, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 December 11, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of pri |
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| November 25, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 November 25, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of pri |
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| November 25, 2024 |
UMC will attend investor conferences on 2024/11/25~2024/11/26 www.umc.com Exhibit Exhibit Description 99 Announcement on 2024/11/19: UMC will attend investor conferences on 2024/11/25~2024/11/26 Exhibit 99 UMC will attend investor conferences on 2024/11/25~2024/11/26 1. Date of institutional investor conference: 2024/11/25~2024/11/26 2. Time of institutional investor conference: 09:00 AM 3. Location of institutional investor conference: Shangri-La Far Easter |
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| November 14, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 November 14, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of pri |
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| November 14, 2024 |
To announce the registration of capital reduction due to cancellation of the RSA www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/11/13: To announce the registration of capital reduction due to cancellation of the RSA 99.2 Announcement on 2024/11/06: October Revenue 99.3 Announcement on 2024/11/08: the trading and pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC Exhibit 99.1 To announce the registration of capital reduct |
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| November 13, 2024 |
UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH REPORT OF INDEPENDENT AUDITORS FOR THE NINE-MONTH PERIODS ENDED SEPTEMBER 30, 2024 AND 2023 Address: No. |
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| November 13, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 November 13, 2024 Commission File Number: 001-15128 United Microelectronics Corporation ——————————————————————————————————— (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Scienc |
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| October 30, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 October 30, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of prin |
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| October 30, 2024 |
www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/10/30: Announcement of board meeting approved the consolidated financial statements for the third quarter of 2024 99.2 Announcement on 2024/10/30: Announcement of the Company's Board Meeting Date of Q3, 2024 Consolidated Financial Report 99.3 Announcement on 2024/10/30: UMC announced its operating results for the third quarter of 20 |
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| October 22, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 October 22, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of prin |
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| October 22, 2024 |
UMC will convene Q3 2024 Investor Conference www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/10/16: UMC will convene Q3 2024 Investor Conference 99.2 Announcement on 2024/10/22: Announcement of the Company's Board Meeting Date of Q3, 2024 Consolidated Financial Report Exhibit 99.1 UMC will convene Q3 2024 Investor Conference 1. Date of institutional investor conference: 2024/10/30 2. Time of institutional investor conferenc |
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| October 9, 2024 |
UMC will attend investor conferences on 2024/09/23~2024/09/24 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/09/18: UMC will attend investor conferences on 2024/09/23~2024/09/24 99.2 Announcement on 2024/09/18: To announce related materials on acquisition of machinery and equipment 99.3 Announcement on 2024/10/06: Description of the official website of UMC experienced a denial-of-service (DDoS) attack 99.4 Announcement on 2024/10/07: Septe |
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| October 9, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 October 9, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princ |
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| September 12, 2024 |
UMC will attend investor conferences on 2024/09/04 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/08/28: UMC will attend investor conferences on 2024/09/04 99.2 Announcement on 2024/09/12: Announcement of the change of Custodian bank for the Depositary Receipts (DR) program 99.3 Announcement on 2024/09/05: August Revenue 99.4 Announcement on 2024/09/10: the trading and pledge of UMC common shares by directors, executive officers |
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| September 12, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 September 12, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of pr |
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| August 19, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 August 19, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princ |
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| August 19, 2024 |
www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/08/14: Supplementary Announcement to represent subsidiary HEJIAN TECHNOLOGY (SUZHOU) CO., LTD. 2024/04/02 announcement 99.2 Announcement on 2024/08/14: To announce the registration of capital reduction due to cancellation of the RSA 99.3 Announcement on 2024/08/06: July Revenue 99.4 Announcement on 2024/08/10: the trading and pledge |
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| August 9, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 August 9, 2024 Commission File Number: 001-15128 United Microelectronics Corporation ——————————————————————————————————— (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science P |
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| August 9, 2024 |
UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH REPORT OF INDEPENDENT AUDITORS FOR THE SIX-MONTH PERIODS ENDED JUNE 30, 2024 AND 2023 Address: No. |
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| July 31, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 July 31, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princip |
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| July 31, 2024 |
Announcement of the Company’s Board Meeting Date of Q2, 2024 Consolidated Financial Report www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/07/23: Announcement of the Company’s Board Meeting Date of Q2, 2024 Consolidated Financial Report 99.2 Announcement on 2024/07/31: Announcement of board meeting approved the consolidated financial statements for the second quarter of 2024 99.3 Announcement on 2024/07/31: The board meeting approved capital budget execution 99.4 Annou |
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| July 17, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 July 17, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princip |
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| July 17, 2024 |
To announce related materials on acquisition of asset www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/06/28: To announce related materials on acquisition of asset 99.2 Announcement on 2024/07/17: UMC will convene Q2 2024 Investor Conference 99.3 Announcement on 2024/07/04: June Revenue 99.4 Announcement on 2024/07/10: the trading and pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC Exhibit 99. |
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| June 12, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 June 12, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princip |
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| June 12, 2024 |
UMC will attend investor conferences on 2024/06/06 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/05/31: UMC will attend investor conferences on 2024/06/06 99.2 Announcement on 2024/06/12: The Board of Directors resolved to adjust cash dividend ratio 99.3 Announcement on 2024/06/12: The Company announced the record date for cash dividend 99.4 Announcement on 2024/06/06: May Revenue 99.5 Announcement on 2024/06/10: the trading an |
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| May 31, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report United Microelectronics Corporation (“UMC”) (Exact name of registrant as specified in its charter) State or other jurisdiction of incorporation or organization: Taiwan, R.O.C. Address of principal executive offices & Zip Code: No.3, Li-Hsin Road. II, Hsinchu Science Park, Hsinchu City, Tai |
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| May 31, 2024 |
Exhibit 1.01 Exhibit 1.01 Conflict Minerals Disclosure and Report In accordance with the execution of this SD Form, UMC has concluded in good faith that during 2023 (a) UMC is a manufacturer and seller of patterned semiconductor wafers and/or die cut from such wafers. Various materials, inclusive of but not limited to tantalum, tin, gold and tungsten (“Conflict Minerals”) are necessary for the fun |
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| May 30, 2024 |
Important Resolutions from UMC’s 2024 Annual General Meeting www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/05/30: Important Resolutions from UMC’s 2024 Annual General Meeting 99.2 Announcement on 2024/05/30: The Company’s Re-election of directors at 2024 Annual General Meeting 99.3 Announcement on 2024/05/30: UMC’s 2024 Annual General Meeting has approved to release the newly elected director and its designated representatives from non-c |
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| May 30, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 May 30, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of principa |
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| May 23, 2024 |
United Microelectronics Corporation May 7, 2024 Exhibit 99.3 United Microelectronics Corporation May 7, 2024 This is to report the changes or status of 1) Sales volume, 2) Funds lent to other parties, 3) Endorsements and guarantees, and 4) Financial derivative transactions for the period of April 2024. 1) Sales volume (NT$ Thousand) Period Items 2024 2023 Changes % April Net sales 19,741,391 18,461,436 1,279,955 6.93 % Year-to-Date Net sales 74 |
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| May 23, 2024 |
UMC will attend investor conferences on 2024/05/23 Exhibit 99.2 UMC will attend investor conferences on 2024/05/23 1. Date of institutional investor conference: 2024/05/23~2024/05/24 2. Time of institutional investor conference: 09:00 AM 3. Location of institutional investor conference: Teleconference 4. Outline of institutional investor conference: The Company will attend the “EV and Tech Virtual Conference 2024”, held by CGS-CIMB Securities. 5. |
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| May 23, 2024 |
To announce the registration of capital reduction due to cancellation of the RSA Exhibit 99.1 To announce the registration of capital reduction due to cancellation of the RSA 1. Date of the competent authority’s approval of capital reduction: 2024/05/07 2. Date of completion of capitalization change registration: 2024/05/07 3. Effect on the financial statements (including any discrepancy between the amount of paid-in capital and the no. of shares outstanding, and the effect on |
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| May 23, 2024 |
United Microelectronics Corporation For the month of April, 2024 Exhibit 99.4 United Microelectronics Corporation For the month of April, 2024 This is to report 1) the trading of directors, executive officers and 10% shareholders of United Microelectronics Corporation (“UMC”) (NYSE: UMC); 2) the pledge and clear of pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC; 1) The trading of directors, executive officers and 10% sh |
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| May 23, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 May 23, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of principa |
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| May 14, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 14, 2024 Commission File Number: 001-15128 United Microelectronics Corporation ——————————————————————————————————— (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science Par |
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| May 14, 2024 |
UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH REPORT OF INDEPENDENT AUDITORS FOR THE THREE-MONTH PERIODS ENDED MARCH 31, 2024 AND 2023 Address: No. |
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| April 25, 2024 |
CERTIFICATION OF OUR CO-PRESIDENT EX-12.2 Exhibit 12.2 CERTIFICATION OF OUR CO-PRESIDENT I, Shan-Chieh Chien, certify that: 1. I have reviewed this annual report on Form 20-F of United Microelectronics Corporation; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such state |
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| April 25, 2024 |
CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 EX-13.3 Exhibit 13.3 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of United Microelectronics Corporation, or the Company, on Form 20-F for the fiscal year ended December 31, 2023 as filed with the Securities and Exchange Commission on the date hereof, or the Report, I, Chitung Liu, Chief Financial Officer of the Company, hereby |
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| April 25, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 April 25, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princi |
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| April 25, 2024 |
Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF |
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| April 25, 2024 |
Consent of Independent Registered Public Accounting Firm Exhibit 15.1 Consent of Independent Registered Public Accounting Firm We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-269038) pertaining to the 2022 Plan Governing the Issuance of Restricted Stock Awards for Employees of United Microelectronics Corporation of our reports dated April 25, 2024, with respect to the consolidated financial statements of Unit |
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| April 25, 2024 |
CERTIFICATION OF OUR CO-PRESIDENT EX-12.1 Exhibit 12.1 CERTIFICATION OF OUR CO-PRESIDENT I, Jason Wang, certify that: 1. I have reviewed this annual report on Form 20-F of United Microelectronics Corporation; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements |
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| April 25, 2024 |
CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 EX-13.1 Exhibit 13.1 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of United Microelectronics Corporation, or the Company, on Form 20-F for the fiscal year ended December 31, 2023 as filed with the Securities and Exchange Commission on the date hereof, or the Report, I, Jason Wang, Co-president of the Company, hereby certify, pur |
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| April 25, 2024 |
CERTIFICATION OF OUR CHIEF FINANCIAL OFFICER EX-12.3 Exhibit 12.3 CERTIFICATION OF OUR CHIEF FINANCIAL OFFICER I, Chitung Liu, certify that: 1. I have reviewed this annual report on Form 20-F of United Microelectronics Corporation; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such |
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| April 25, 2024 |
CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 EX-13.2 Exhibit 13.2 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of United Microelectronics Corporation, or the Company, on Form 20-F for the fiscal year ended December 31, 2023 as filed with the Securities and Exchange Commission on the date hereof, or the Report, I, Shan-Chieh Chien, Co-president of the Company, hereby certif |
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| April 25, 2024 |
To announce related materials on acquisition of Software www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/04/25: To announce related materials on acquisition of Software 99.2 Announcement on 2024/04/25: To announce the differences for 2023 consolidated financial statements between TIFRSs and IFRSs as issued by the IASB Exhibit 99.1 To announce related materials on acquisition of Software 1. Name and nature of the underlying asset (e.g., |
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| April 25, 2024 |
INCENTIVE-BASED COMPENSATION CLAWBACK POLICY Adopted as of October 2, 2023 Exhibit 97.1 INCENTIVE-BASED COMPENSATION CLAWBACK POLICY Adopted as of October 2, 2023 The Board of Directors (the “Board”) of United Microelectronics Corporation (the “Company”) believes that it is in the best interests of the Company and its shareholders to adopt this Clawback Policy (the “Policy”), which provides for the recovery of certain incentive compensation in the event of a Material Fin |
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| April 24, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 April 24, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princi |
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| April 24, 2024 |
www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/04/24: Announcement of board meeting approved the consolidated financial statements for the first quarter of 2024 99.2 Announcement on 2024/04/24: The board meeting approved capital budget execution 99.3 Announcement on 2024/04/24: The Board of Directors Approved the Cancellation of Restricted Shares to Employees Stock Awards 99.4 A |
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| April 16, 2024 |
www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/04/02: Represent subsidiary HEJIAN TECHNOLOGY (SUZHOU) CO., LTD. to announce disposal of UnitedDS Semiconductor (Shandong) Co., Ltd. 99.2 Announcement on 2024/04/03: To announce related materials on acquisition of facilities 99.3 Announcement on 2024/04/10: UMC will convene Q1 2024 Investor Conference 99.4 Announcement on 2024/04/16 |
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| April 16, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 April 16, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princi |
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| April 3, 2024 |
Company’s statement on impact from earthquake occurred on April 3, 2024 www.umc.com Exhibit Exhibit Description 99 Announcement on 2024/04/03: Company’s statement on impact from earthquake occurred on April 3, 2024 Exhibit 99 Company’s statement on impact from earthquake occurred on April 3, 2024 1. Date of occurrence of the event: 2024/04/03 2. Company name: UNITED MICROELECTRONICS CORPORATION 3. Relationship to the Company (please enter “head office” or “subsidiarie |
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| April 3, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 April 3, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princip |
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| March 25, 2024 |
UMC will attend investor conferences on 2024/03/19 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/03/12: UMC will attend investor conferences on 2024/03/19 99.2 Announcement on 2024/03/12: To announce the registration of capital reduction due to cancellation of the RSA 99.3 Announcement on 2024/03/06: February Revenue 99.4 Announcement on 2024/03/08: the trading and pledge of UMC common shares by directors, executive officers an |
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| March 25, 2024 |
UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH REPORT OF INDEPENDENT AUDITORS FOR THE YEARS ENDED DECEMBER 31, 2023 AND 2022 Address: No. |
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| March 25, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 25, 2024 Commission File Number: 001-15128 United Microelectronics Corporation ——————————————————————————————————— (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road, Hsinchu Science P |
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| March 25, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 March 25, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princi |
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| March 22, 2024 |
To announce related materials on participating in the capital increase of Faraday Technology Corp. www.umc.com Exhibit Exhibit Description 99 Announcement on 2024/03/22: To announce related materials on participating in the capital increase of Faraday Technology Corp. Exhibit 99 To announce related materials on participating in the capital increase of Faraday Technology Corp. 1. Name of the securities: Faraday Technology Corp. common shares 2. Trading date: 2024/03/22 3. Amount, unit price, and |
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| March 22, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 March 22, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princi |
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| February 27, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 February 27, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of pri |
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| February 27, 2024 |
Important Resolutions from the Board Meeting www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/02/27: Important Resolutions from the Board Meeting 99.2 Announcement on 2024/02/27: Announcement of board meeting approved the consolidated financial statements for the year of 2023 99.3 Announcement on 2024/02/27: Board Meeting Resolution on dividend distribution 99.4 Announcement on 2024/02/27: The Board of Directors Approved the |
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| February 26, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 February 26, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of pri |
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| February 26, 2024 |
UMC will attend investor conferences on 2024/02/19 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/02/07: UMC will attend investor conferences on 2024/02/19 99.2 Announcement on 2024/02/22: To announce the board of directors not to distribute dividends on behalf of subsidiary UMC GROUP (USA) 99.3 Announcement on 2024/02/26: UMC will attend investor conferences on 2024/03/04 99.4 Announcement on 2024/02/06: January Revenue 99.5 An |
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| January 31, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 January 31, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of prin |
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| January 31, 2024 |
UMC announced its operating results for the fourth quarter of 2023 www.umc.com Exhibit Exhibit Description 99 Announcement on 2024/01/31: UMC announced its operating results for the fourth quarter of 2023 Exhibit 99 UMC announced its operating results for the fourth quarter of 2023 1. Date of occurrence of the event: 2024/01/31 2. Company name: UNITED MICROELECTRONICS CORPORATION 3. Relationship to the Company (please enter “head office” or “subsidiaries”): head |
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| January 26, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 January 26, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of prin |
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| January 26, 2024 |
The board meeting approved capital budget execution www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2024/01/08: The board meeting approved capital budget execution 99.2 Announcement on 2023/01/09: To announce related materials on acquisition of facilities 99.3 Announcement on 2023/01/17: UMC will convene Q4 2023 Investor Conference 99.4 Announcement on 2024/01/05: December Revenue 99.5 Announcement on 2024/01/10: the trading and pledge |
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| January 25, 2024 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 January 25, 2024 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of prin |
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| January 25, 2024 |
UMC and Intel announce a collaboration on a development of a 12 nm process platform www.umc.com Exhibit Exhibit Description 99 Announcement on 2024/01/25: UMC and Intel announce a collaboration on a development of a 12 nm process platform Exhibit 99 UMC and Intel announce a collaboration on a development of a 12 nm process platform 1. Date of occurrence of the event: 2024/01/25 2. Counterparty to the contract or commitment: Intel 3. Relationship with the Company: None 4. Starting |
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| December 26, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 December 26, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of pri |
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| December 26, 2023 |
To announce related materials on acquisition of machinery and equipment www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2023/12/11: To announce related materials on acquisition of machinery and equipment 99.2 Announcement on 2023/12/13: The board meeting approved capital budget execution 99.3 Announcement on 2023/12/06: November Revenue 99.4 Announcement on 2023/12/10: the trading and pledge of UMC common shares by directors, executive officers and 10% sh |
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| November 27, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 November 27, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of pri |
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| November 27, 2023 |
To clarify news reported by Commercial Times on November 7, 2023 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2023/11/07: To clarify news reported by Commercial Times on November 7, 2023 99.2 Announcement on 2023/11/09: To announce the registration of capital reduction due to cancellation of the RSA 99.3 Announcement on 2023/11/16: UMC will attend investor conferences on 2023/11/22 99.4 Announcement on 2023/11/06: October Revenue 99.5 Announceme |
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| November 14, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 November 14, 2023 Commission File Number: 001-15128 United Microelectronics Corporation ——————————————————————————————————— (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science |
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| November 14, 2023 |
UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH REPORT OF INDEPENDENT AUDITORS FOR THE NINE-MONTH PERIODS ENDED SEPTEMBER 30, 2023 AND 2022 Address: No. |
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| October 25, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 October 25, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of prin |
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| October 25, 2023 |
UMC will convene Q3 2023 Investor Conference www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2023/10/11: UMC will convene Q3 2023 Investor Conference 99.2 Announcement on 2023/10/25: Announcement of board meeting approved the consolidated financial statements for the third quarter of 2023 99.3 Announcement on 2023/10/25: The board meeting approved capital budget execution 99.4 Announcement on 2023/10/25: The Board of Directors A |
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| September 25, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 September 25, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of pr |
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| September 25, 2023 |
www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2023/09/06: Supplement to the unsecured straight corporate bond issuance authorized by the Board of Director resolution passed on July 26th, 2023 99.2 Announcement on 2023/09/11: UMC will attend investor conferences on 2023/09/18 99.3 Announcement on 2023/09/06: August Revenue 99.4 Announcement on 2023/09/10: the trading and pledge of UM |
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| August 25, 2023 |
To announce related materials on acquisition of machinery and equipment www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2023/08/22: To announce related materials on acquisition of machinery and equipment 99.2 Announcement on 2023/08/04: July Revenue 99.3 Announcement on 2023/08/10: the trading and pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC Exhibit 99.1 To announce related materials on acquisition of machinery |
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| August 25, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 August 25, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princ |
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| August 22, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 August 22, 2023 Commission File Number: 001-15128 United Microelectronics Corporation ——————————————————————————————————— (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science P |
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| August 22, 2023 |
UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH REPORT OF INDEPENDENT AUDITORS FOR THE SIX-MONTH PERIODS ENDED JUNE 30, 2023 AND 2022 Address: No. |
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| July 26, 2023 |
www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2023/07/26: Announcement of board meeting approved the consolidated financial statements for the second quarter of 2023 99.2 Announcement on 2023/07/26: The board meeting approved capital budget execution 99.3 Announcement on 2023/07/26: The Board of Directors resolved the issuance of unsecured straight corporate bonds 99.4 Announcement |
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| July 26, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 July 26, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal executi |
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| July 25, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 July 25, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princip |
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| July 25, 2023 |
Announcement of information change on acquisition of United Semiconductor (Xiamen) Co., Ltd. www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2023/06/28: Announcement of information change on acquisition of United Semiconductor (Xiamen) Co., Ltd. 99.2 Announcement on 2023/06/29: To announce related materials on disposal of common shares of KING YUAN ELECTRONICS CO., LTD. 99.3 Announcement on 2023/07/04: To announce related materials on disposal of common shares of KING YUAN EL |
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| June 26, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 June 26, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princip |
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| June 26, 2023 |
UMC will attend investor conferences on 2023/06/09 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2023/06/02: UMC will attend investor conferences on 2023/06/09 99.2 Announcement on 2023/06/07: The Board of Directors resolved to adjust cash dividend ratio 99.3 Announcement on 2023/06/07: The Company announced the record date for cash dividend 99.4 Announcement on 2023/06/07: UMC will attend investor conferences on 2023/06/14 99.5 Ann |
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| May 31, 2023 |
Important Resolutions from UMC’s 2023 Annual General Meeting www.umc.com Exhibit Exhibit Description 99 Announcement on 2023/05/31: Important Resolutions from UMC’s 2023 Annual General Meeting Exhibit 99 Important Resolutions from UMC’s 2023 Annual General Meeting 1. Date of the shareholders meeting: 2023/05/31 2. Important resolutions (1) Profit distribution/ deficit compensation: Approved the Company’s 2022 earnings distribution 10,359,861,673 shares were |
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| May 31, 2023 |
EX-1.01 Exhibit 1.01 Exhibit 1.01 Conflict Minerals Disclosure and Report In accordance with the execution of this SD Form, UMC has concluded in good faith that during 2022 (a) UMC is a manufacturer and seller of patterned semiconductor wafers and/or die cut from such wafers. Various materials, inclusive of but not limited to tantalum, tin, gold and tungsten (“Conflict Minerals”) are necessary for |
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| May 31, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report United Microelectronics Corporation (“UMC”) (Exact name of registrant as specified in its charter) State or other jurisdiction of incorporation or organization: Taiwan, R.O.C. Address of principal executive offices & Zip Code: No.3, Li-Hsin Road. II, Hsinchu Science Park, Hsinchu City, Tai |
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| May 31, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 May 31, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal executiv |
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| May 25, 2023 |
To announce related materials on acquisition of machinery and equipment www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2023/05/09: To announce related materials on acquisition of machinery and equipment 99.2 Announcement on 2023/05/11: To announce the registration of capital reduction due to cancellation of the RSA 99.3 Announcement on 2023/05/24: To announce related materials on acquisition of machinery and equipment 99.4 Announcement on 2023/05/25: To |
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| May 25, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 May 25, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of principa |
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| May 15, 2023 |
UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH REPORT OF INDEPENDENT AUDITORS FOR THE THREE-MONTH PERIODS ENDED MARCH 31, 2023 AND 2022 Address: No. |
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| May 15, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 15, 2023 Commission File Number: 001-15128 United Microelectronics Corporation ——————————————————————————————————— (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park |
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| April 27, 2023 |
EX-13.3 Exhibit 13.3 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of United Microelectronics Corporation, or the Company, on Form 20-F for the fiscal year ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof, or the Report, I, Chitung Liu, Chief Financial Officer of the Company, hereby |
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| April 27, 2023 |
Certification of our Co-president pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 EX-12.1 Exhibit 12.1 CERTIFICATION OF OUR CO-PRESIDENT I, Jason Wang, certify that: 1. I have reviewed this annual report on Form 20-F of United Microelectronics Corporation; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements |
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| April 27, 2023 |
EX-13.2 Exhibit 13.2 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of United Microelectronics Corporation, or the Company, on Form 20-F for the fiscal year ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof, or the Report, I, Shan-Chieh Chien, Co-president of the Company, hereby certif |
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| April 27, 2023 |
Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF |
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| April 27, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 April 27, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal execut |
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| April 27, 2023 |
Certification of our Co-president pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 EX-12.2 Exhibit 12.2 CERTIFICATION OF OUR CO-PRESIDENT I, Shan-Chieh Chien, certify that: 1. I have reviewed this annual report on Form 20-F of United Microelectronics Corporation; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such state |
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| April 27, 2023 |
EX-13.1 Exhibit 13.1 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of United Microelectronics Corporation, or the Company, on Form 20-F for the fiscal year ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof, or the Report, I, Jason Wang, Co-president of the Company, hereby certify, pur |
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| April 27, 2023 |
EX-99 2 umc-ex996.htm EX-99 www.umc.com Exhibit Exhibit Description 99 Announcement on 2023/04/27: To announce the differences for 2022 consolidated financial statements between TIFRSs and IFRSs as issued by the IASB. Exhibit 99 To announce the differences for 2022 consolidated financial statements between TIFRSs and IFRSs as issued by the IASB. 1. Date of occurrence of the event: 2023/04/27 2. Ye |
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| April 27, 2023 |
Consent of Independent Registered Public Accounting Firm EX-15.1 Exhibit 15.1 Consent of Independent Registered Public Accounting Firm We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-269038) pertaining to the 2022 Plan Governing the Issuance of Restricted Stock Awards for Employees of United Microelectronics Corporation of our reports dated April 27, 2023, with respect to the consolidated financial statements |
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| April 27, 2023 |
EX-12.3 Exhibit 12.3 CERTIFICATION OF OUR CHIEF FINANCIAL OFFICER I, Chitung Liu, certify that: 1. I have reviewed this annual report on Form 20-F of United Microelectronics Corporation; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such |
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| April 26, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 April 26, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal execut |
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| April 26, 2023 |
Announcement of board meeting approved the consolidated financial statements for the first quarter www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2023/04/26: Announcement of board meeting approved the consolidated financial statements for the first quarter 99.2 Announcement on 2023/04/26: The board meeting approved capital budget execution 99.3 Announcement on 2023/04/26: The Board of Directors Approved the Cancellation of Restricted Shares to Employees Stock Awards 99.4 Announcem |
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| April 25, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 April 25, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princi |
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| April 25, 2023 |
To announce the construction of factory buildings of Fab 12i P3 on rented land www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2023/03/30: To announce the construction of factory buildings of Fab 12i P3 on rented land 99.2 Announcement on 2023/04/07: To announce related materials on acquisition of machinery and equipment 99.3 Announcement on 2023/04/12: UMC will convene Q1 2023 Investor Conference 99.4 Announcement on 2023/04/10: March Revenue 99.5 Announcement |
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| March 27, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 March 27, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Park Hsinchu, Taiwan, R.O.C. (Address of princi |
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| March 27, 2023 |
UMC will attend investor conferences on 2023/03/15 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2023/03/09: UMC will attend investor conferences on 2023/03/15 99.2 Announcement on 2023/03/13: To announce related materials on acquisition of machinery and equipment 99.3 Announcement on 2023/03/21: To announce related materials on acquisition of facilities 99.4 Announcement on 2023/03/23: To announce related materials on acquisition o |
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| March 20, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 March 20, 2023 Commission File Number: 001-15128 United Microelectronics Corporation ——————————————————————————————————— (Translation of registrant’s name into English) No. 3 Li-Hsin 2nd Road Hsinchu Science Pa |
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| March 20, 2023 |
UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH REPORT OF INDEPENDENT AUDITORS FOR THE YEARS ENDED DECEMBER 31, 2022 AND 2021 Address: No. |
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| February 24, 2023 |
To announce the related construction of facility on rented land www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2023/02/10: To announce the related construction of facility on rented land 99.2 Announcement on 2023/02/10: To announce related materials on acquisition of machinery and equipment 99.3 Announcement on 2023/02/14: UMC will attend investor conferences on 2023/02/21 99.4 Announcement on 2023/02/23: To announce related materials on acquisit |
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| February 24, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 February 24, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal exe |
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| February 22, 2023 |
Important Resolutions from the Board Meeting www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2023/02/22: Important Resolutions from the Board Meeting 99.2 Announcement on 2023/02/22: Announcement of board meeting approved the consolidated financial statements for the year of 2022 99.3 Announcement on 2023/02/22: Board Meeting Resolution on dividend distribution 99.4 Announcement on 2023/02/22: Announcement to change Chartered Pu |
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| February 22, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 February 22, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal exe |
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| January 30, 2023 |
UMC will convene Q4 2022 Investor Conference www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2022/12/30: UMC will convene Q4 2022 Investor Conference 99.2 Announcement on 2023/01/04: To announce the repurchase and cancellation of Currency Linked Zero Coupon Exchangeable Bonds due 2026 99.3 Announcement on 2023/01/11: The change of Chief Information Security Officer 99.4 Announcement on 2023/01/06: December Revenue 99.5 Announcem |
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| January 30, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 January 30, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal exec |
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| January 17, 2023 |
UMC announced its operating results for the fourth quarter of 2022 www.umc.com Exhibit Exhibit Description 99 Announcement on 2023/01/16: UMC announced its operating results for the fourth quarter of 2022 Exhibit 99 UMC announced its operating results for the fourth quarter of 2022 1. Date of occurrence of the event: 2023/01/16 2. Company name: UNITED MICROELECTRONICS CORPORATION 3. Relationship to the Company (please enter “head office” or “subsidiaries”): head |
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| January 17, 2023 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 January 17, 2023 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal exec |
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| December 28, 2022 |
As filed with the Securities and Exchange Commission on December 28, 2022 As filed with the Securities and Exchange Commission on December 28, 2022 Registration No. |
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| December 28, 2022 |
UMC 2022 Plan Governing the Issuance of Restricted Stock Awards for Employees. EX-99.1 4 exhibit99-1.htm UMC 2022 PLAN GOVERNING THE ISSUANCE OF RESTRICTED STOCK AWARDS FOR EMPLOYEES Exhibit 99.1 United Microelectronics Corporation (UMC) 2022 Plan Governing the Issuance of Restricted Stock Awards for Employees Article I Purpose of Issuance The Company, in order to attract and retain key talents for the achievement of its medium- and long-term objectives, intends to encourage |
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| December 28, 2022 |
Exhibit 107 CALCULATION OF FILING FEE TABLES Form S-8 (Form Type) UNITED MICROELECTRONICS CORPORATION (Exact Name of Registrant as Specified in Its Charter) Table 1 ? Newly Registered Securities Security Type Security Class Title (1) Fee Calculation Rule Amount Registered (2) Proposed Maximum Offering Price per Unit (3) Maximum Aggregate Offering Price Fee Rate Amount Registration Fee Equity Common Shares, NT$10. |
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| December 27, 2022 |
To announce related materials on acquisition of facilities umc-ex996.htm www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2022/11/28: To announce related materials on acquisition of facilities 99.2 Announcement on 2022/11/30: To announce related materials on acquisition of facilities 99.3 Announcement on 2022/12/14: The board meeting approved capital budget execution 99.4 Announcement on 2022/12/20: To announce the construction of factory buil |
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| December 27, 2022 |
6-K 1 umc-6k20221227.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 December 27, 2022 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O |
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| November 25, 2022 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 November 25, 2022 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal exe |
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| November 25, 2022 |
UMC will attend investor conferences on 2022/11/01 EX-99 2 umc-ex996.htm EX-99 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2022/10/27: UMC will attend investor conferences on 2022/11/01 99.2 Announcement on 2022/11/03: To announce related materials on acquisition of machinery and equipment 99.3 Announcement on 2022/11/03: To announce related materials on acquisition of machinery and equipment 99.4 Announcement on 2022/11/03: UMC w |
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| November 15, 2022 |
6-K 1 umcfs3q226k.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 November 15, 2022 Commission File Number: 001-15128 United Microelectronics Corporation ——————————————————————————————————— (Translation of registrant’s name into English) No. 3 Li Hsi |
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| November 15, 2022 |
UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH REPORT OF INDEPENDENT AUDITORS FOR THE NINE-MONTH PERIODS ENDED SEPTEMBER 30, 2022 AND 2021 Address: No. |
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| October 26, 2022 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 October 26, 2022 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant?s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal exec |
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| October 26, 2022 |
www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2022/10/26: Announcement of board meeting approved the consolidated financial statements for the third quarter of 2022 99.2 Announcement on 2022/10/26: The board meeting approved capital budget execution 99.3 Announcement on 2022/10/26: The Board of Directors Approved the Cancellation of Restricted Shares to Employees Stock Awards 99.4 A |
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| October 25, 2022 |
www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2022/09/27: Represent subsidiary United Semiconductor Japan Co., Ltd.to announce related materials on acquisition of intangible assets 99.2 Announcement on 2022/09/30: To announce related materials on acquisition of machinery and equipment 99.3 Announcement on 2022/10/03: To announce the repurchase and cancellation of Currency Linked Zer |
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| October 25, 2022 |
6-K 1 umc-6k20221025.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 October 25, 2022 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant’s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O. |
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| September 26, 2022 |
UMC will attend investor conferences on 2022/09/06 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2022/08/30: UMC will attend investor conferences on 2022/09/06 99.2 Announcement on 2022/09/01: To announce related materials on acquisition of machinery and equipment 99.3 Announcement on 2022/09/13: UMC will attend investor conferences on 2022/09/20 99.4 Announcement on 2022/09/06: August Revenue 99.5 Announcement on 2022/09/15: the tr |
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| September 26, 2022 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 September 26, 2022 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant?s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal ex |
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| August 26, 2022 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 August 26, 2022 Commission File Number: 001-15128 United Microelectronics Corporation ??????????????????????????????????? (Translation of registrant?s name into English) No. 3 Li Hsin Road II Science Park Hsinc |
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| August 26, 2022 |
UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH REPORT OF INDEPENDENT AUDITORS FOR THE SIX-MONTH PERIODS ENDED JUNE 30, 2022 AND 2021 Address: No. |
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| August 25, 2022 |
UMC will attend investor conferences on 2022/08/23 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2022/08/17: UMC will attend investor conferences on 2022/08/23 99.2 Announcement on 2022/08/17: UMC will attend investor conferences on 2022/08/24 99.3 Announcement on 2022/08/17: UMC will attend investor conferences on 2022/08/25 99.4 Announcement on 2022/08/23: UMC will attend investor conferences on 2022/08/30 99.5 Announcement on 202 |
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| August 25, 2022 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 August 25, 2022 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant?s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal execu |
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| August 1, 2022 |
As filed with the U.S. Securities and Exchange Commission on August 1, 2022 As filed with the U.S. Securities and Exchange Commission on August 1, 2022 Registration No. 333-172990 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 2 TO FORM F-6 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 For Depositary Shares Evidenced by American Depositary Receipts United Microelectronics Corporation (Exact name of issuer of deposited secu |
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| August 1, 2022 |
Certification under Rule 466 The depositary, JPMorgan Chase Bank, N.A. represents and certifies the following: (1) That it previously had filed a registration statement on Form F-6 (United Microelectronics Corporation 333-172990) that the Commission declared effective, with terms of deposit identical to the terms of deposit of this registration statement. (2) That its ability to designate the date |
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| August 1, 2022 |
J.P.Morgan J.P.Morgan AMENDMENT NO. 2, dated as of , 2022 (the "Amendment"), to the Amended and Restated Deposit Agreement dated as of October 21, 2009 as amended as of April 12, 2017 (as previously amended, the "Deposit Agreement") among United Microelectronics Corporation, a company incorporated under the laws of the Republic of China (the "Company"), JPMorgan Chase Bank, N.A., as depositary (th |
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| July 27, 2022 |
www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2022/07/27: Announcement of board meeting approved the consolidated financial statements for the second quarter of 2022 99.2 Announcement on 2022/07/27: The board meeting approved capital budget execution 99.3 Announcement on 2022/07/27: UMC announced its operating results for the second quarter of 2022 Exhibit 99.1 Announcement of board |
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| July 27, 2022 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 July 27, 2022 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant?s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal executi |
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| July 25, 2022 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 July 25, 2022 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant?s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal executi |
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| July 25, 2022 |
www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2022/07/01: To announce the repurchase and cancellation of Currency Linked Zero Coupon Exchangeable Bonds due 2026 99.2 Announcement on 2022/07/06: To announce the construction of factory buildings of Fab 12i P3 on rented land 99.3 Announcement on 2022/07/13: UMC will convene Q2 2022 Investor Conference 99.4 Announcement on 2022/07/18: T |
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| June 27, 2022 |
UMC will attend investor conferences on 2022/06/07 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2022/05/31: UMC will attend investor conferences on 2022/06/07 99.2 Announcement on 2022/06/01: The Company announced the record date for cash dividend 99.3 Announcement on 2022/06/08: To announce related materials on acquisition of machinery and equipment 99.4 Announcement on 2022/06/09: UMC will attend investor conferences on 2022/06/1 |
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| June 27, 2022 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 June 27, 2022 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant?s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal executi |
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| May 27, 2022 |
EX-1.01 2 d260107dex101.htm EX-1.01 Exhibit 1.01 Exhibit 1.01 Conflict Minerals Disclosure and Report In accordance with the execution of this SD Form, UMC has concluded in good faith that during 2021 (a) UMC is a manufacturer and seller of patterned semiconductor wafers and/or die cut from such wafers. Various materials, inclusive of but not limited to tantalum, tin, gold and tungsten (“Conflict |
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| May 27, 2022 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report United Microelectronics Corporation (?UMC?) (Exact name of registrant as specified in its charter) State or other jurisdiction of incorporation or organization: Taiwan, R.O.C. Address of principal executive offices & Zip Code: No.3, Li-Hsin Road. II, Hsinchu Science Park, Hsinchu City, Tai |
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| May 27, 2022 |
Important Resolutions from UMC’s 2022 Annual General Meeting www.umc.com Exhibit Exhibit Description 99 Announcement on 2022/05/27: Important Resolutions from UMC?s 2022 Annual General Meeting Exhibit 99 Important Resolutions from UMC?s 2022 Annual General Meeting 1. Date of the shareholders? meeting: 2022/05/27 2. Important resolutions (1) Profit distribution / deficit compensation: Approved the Company?s 2021 earnings distribution 9,044,440,132 shares wer |
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| May 27, 2022 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 May 27, 2022 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant?s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal executiv |
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| May 25, 2022 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 May 25, 2022 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant?s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal executiv |
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| May 25, 2022 |
To clarify news reported by Economic Daily News on April 28, 2022 EX-99 2 umc-ex996.htm EX-99 www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2022/04/28: To clarify news reported by Economic Daily News on April 28, 2022 99.2 Announcement on 2022/05/03: UMC will attend investor conferences on 2022/05/10 99.3 Announcement on 2022/05/06: To announce related materials on acquisition of machinery and equipment 99.4 Announcement on 2022/05/16: UMC will at |
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| May 24, 2022 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 May 24, 2022 Commission File Number: 001-15128 United Microelectronics Corporation ??????????????????????????????????? (Translation of registrant?s name into English) No. 3 Li Hsin Road II Science Park Hsinchu, |
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| May 24, 2022 |
UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH REPORT OF INDEPENDENT AUDITORS FOR THE THREE-MONTH PERIODS ENDED MARCH 31, 2022 AND 2021 Address: No. |
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| April 28, 2022 |
Certification of our Co-president pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 EX-12.1 Exhibit 12.1 CERTIFICATION OF OUR CO-PRESIDENT I, Jason Wang, certify that: 1. I have reviewed this annual report on Form 20-F of United Microelectronics Corporation; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements |
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| April 28, 2022 |
EX-13.2 Exhibit 13.2 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of United Microelectronics Corporation, or the Company, on Form 20-F for the fiscal year ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof, or the Report, I, Shan-Chieh Chien, Co-president of the Company, hereby certif |
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| April 28, 2022 |
www.umc.com Exhibit Exhibit Description 99 Announcement on 2022/04/28: To announce the differences for 2021 consolidated financial statements between TIFRSs and IFRSs as issued by the IASB Exhibit 99 To announce the differences for 2021 consolidated financial statements between TIFRSs and IFRSs as issued by the IASB 1. Date of occurrence of the event: 2022/04/28 2. Year/Quarter of the financial re |
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| April 28, 2022 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF |
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| April 28, 2022 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 April 28, 2022 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant?s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal execut |
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| April 28, 2022 |
EX-13.3 Exhibit 13.3 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of United Microelectronics Corporation, or the Company, on Form 20-F for the fiscal year ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof, or the Report, I, Chitung Liu, Chief Financial Officer of the Company, hereby |
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| April 28, 2022 |
EX-13.1 Exhibit 13.1 CERTIFICATION OF PERIODIC FINANCIAL REPORT Pursuant to 18 U.S.C. Section 1350 In connection with the Annual Report of United Microelectronics Corporation, or the Company, on Form 20-F for the fiscal year ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof, or the Report, I, Jason Wang, Co-president of the Company, hereby certify, pur |
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| April 28, 2022 |
Certification of our Co-president pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 EX-12.2 Exhibit 12.2 CERTIFICATION OF OUR CO-PRESIDENT I, Shan-Chieh Chien, certify that: 1. I have reviewed this annual report on Form 20-F of United Microelectronics Corporation; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such state |
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| April 28, 2022 |
EX-12.3 Exhibit 12.3 CERTIFICATION OF OUR CHIEF FINANCIAL OFFICER I, Chitung Liu, certify that: 1. I have reviewed this annual report on Form 20-F of United Microelectronics Corporation; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such |
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| April 27, 2022 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 April 27, 2022 (Commission File Number: 001-15128) United Microelectronics Corporation (Translation of registrant?s name into English) No.3 Li Hsin Road II Science Park Hsinchu, Taiwan, R.O.C. (Address of principal execut |
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| April 27, 2022 |
www.umc.com Exhibit Exhibit Description 99.1 Announcement on 2022/04/27: Announcement of board meeting approved the consolidated financial statements for the first quarter of 2022 99.2 Announcement on 2022/04/27: The board meeting approved capital budget execution 99.3 Announcement on 2022/04/27: To announce related materials on acquisition of UNITED SEMICONDUCTOR (XIAMEN) CO., LTD. 99.4 Announcem |
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| April 26, 2022 |
DENSO and USJC Collaborate on Automotive Power Semiconductors www.umc.com Exhibit Exhibit Description 99 Announcement on 2022/04/26: DENSO and USJC Collaborate on Automotive Power Semiconductors Exhibit 99 DENSO and USJC Collaborate on Automotive Power Semiconductors 1. Date of occurrence of the event: 2022/04/26 2. Company name: Company name: United Semiconductor Japan Co., Ltd. 3. Relationship to the Company (please enter ?head office? or ?subsidiaries?): |
