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UMC 6-K

United Microelectronics Corp (UMC)

6-K 2024-11-14 For: 2024-11-14
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Added on April 10, 2026

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 principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F  Form 40-F 

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101 (b) (1): 

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101 (b) (7): 

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereto duly authorized.

United Microelectronics Corporation
By: Chitung Liu
Name: Chitung Liu
Title: CFO

Date: November 14, 2024

EXHIBIT INDEX

Exhibit Description
99 6K on 11/14/2024

EX-99

img239034952_0.jpg 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 reduction due to cancellation of the RSA

  1. Date of the competent authority’s approval of capital reduction: 2024/11/12

  2. Date of completion of capitalization change registration: 2024/11/12

  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 net worth per share):

(1) Before the capital reduction: The paid-in capital is NT$125,284,663,840; the shares outstanding are 12,528,466,384 shares; book value per share is NT$29.39

(2) After the capital reduction: The paid-in capital is NT$125,277,604,040; the shares outstanding are 12,527,760,404 shares; book value per share is NT$29.39

Note: Net worth per share was calculated based on the consolidated financial statements for the third quarter of 2024 reviewed by CPA.)

  1. Plan for expected share replacement operations: NA

  2. Estimated no. of listed common shares after capital reduction and new issue: NA

  3. Estimated no. of listed common shares as a percentage of issued common shares after capital reduction and new issue (No. of common shares after capital reduction/No. of issued common shares): NA

  4. Countermeasures for poor circulation of equity if the aforesaid estimated no. of listed common shares does not reach 60 million shares and the percentage does not reach 25% after capital reduction: NA

  5. Any other matters that need to be specified: None

Exhibit 99.2

United Microelectronics Corporation

November 6, 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 October 2024.

  • Sales volume (NT$ Thousand)
Period Items 2024 2023 Changes %
October Net sales 21,371,110 19,191,382 2,179,728 11.36%
Year-to-Date Net sales 193,287,584 186,766,104 6,521,480 3.49%
  • Funds lent to other parties (NT$ Thousand): None

  • Endorsements and guarantees (NT$ Thousand)

Balance as of period end Last Month<br><br>(actual amount provided) Limit of lending
UMC 8,874,000 165,691,666
Note: On February 22, 2017, March 7, 2018, October 24, 2018, July 24,2019, December 18, 2019, July 29, 2020, October 29, 2020, December 16, 2020, July 28, 2021, October 27, 2021, December 15, 2021, April 27, 2022, October 26, 2022, December 14, 2022, April 26, 2023, July 26, 2023, December 13, 2023, February 27, 2024 and July 31, 2024, the board of directors resolved to provide endorsement to USC(Xiamen)’s syndicated loan from banks for the amount up to CNY 1,972 million.

All values are in Japanese Yen.

  • Financial derivatives transactions:

a Not under hedging accounting: NT$ thousand

UMC

Financial instruments Option Forwards IRS
Put Call
Deposit Paid 0 0 0 0
Royalty Income (Paid) 0 0 0 0
Unwritten-off Trading
Contracts 0 0 639,200 0
Fair Value 0 0 927 0
Net profit (loss) from Fair Value 0 0 927 0
Written-off Trading
Contracts 0 0 3,718,702 0
Realized profit (loss) 0 0 4,102 0

Exhibit 99.3

United Microelectronics Corporation

For the month of October, 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;

  • The trading of directors, executive officers and 10% shareholders
Title Name Number of shares as of September 30, 2024 Number of shares as of October 31, 2024 Changes
Vice President<br><br>Vice President G C Hung<br><br>Jerry CJ Hu 3,240,791<br><br>3,500,000 3,100,791<br><br>3,250,000 (140,000)<br><br>(25,000)
  • The pledge and clear of pledge of UMC common shares by directors, executive officers and 10% shareholders:
Title Name Number of shares as of September 30, 2024 Number of shares as of October 31, 2024 Changes
Vice President<br><br>Vice President<br><br>Vice President M C Lai<br><br>Jerry CJ Hu<br><br>Mindy Lin 1,122,000<br><br>1,000,000<br><br>300,000 2,230,000<br><br>-<br><br>- 1,108,000<br><br>(1,000,000)<br><br>(300,000)