UMC (NYSE: UMC) spends NT$4.68B on facilities as shareholders back dividends and RSAs
Rhea-AI Filing Summary
United Microelectronics Corporation reported two major facility acquisitions and the results of its 2026 annual general meeting. The company agreed to purchase production facilities from L&K Engineering Co., Ltd. (Singapore Branch) for NT$3,476,344,098 and from LIMK Engineering Pte. Ltd. for NT$1,204,169,928, both via price negotiation with non-related counterparties, to support production.
Shareholders approved the 2025 earnings distribution and the 2025 business report and financial statements, with 11,157,922,791 shares represented. Approval rates were about 93.8% for the earnings distribution and 93.7% for the business report. Shareholders also approved amendments to the “Acquisition or Disposal of Assets Procedure” and the issuance of Restricted Stock Awards, the latter receiving 10,389,023,912 votes in favor, or 93.11% of represented shares.
Positive
- None.
Negative
- None.
Key Figures
Key Terms
Restricted Stock Awards financial
Acquisition or Disposal of Assets Procedure financial
electronic transmission technical
Hsinchu Science Park other
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, 2026
(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 |
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By: |
Chitung Liu |
Name: |
Chitung Liu |
Title: |
CFO |
Date: May 27, 2026
2
EXHIBIT INDEX
Exhibit |
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Description |
99 |
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6K on 05/27/2026 |
3
www.umc.com
Exhibit
Exhibit Description
99.1 Announcement on 2026/05/26: To announce related materials on acquisition of facilities
99.2 Announcement on 2026/05/26: To announce related materials on acquisition of facilities
99.3 Announcement on 2026/05/27: Important Resolutions from UMC’s 2026 Annual General Meeting
Exhibit 99.1
To announce related materials on acquisition of facilities
1. Name and nature of the underlying asset (e.g., land located at Sublot XX, Lot XX, North District, Taichung City): Facilities
2. Date of occurrence of the event: 2026/05/25~2026/05/26
3. Date of the board of directors’ resolution: NA
4. Other approval date:
Approval level: NA; 2026/05/26
5. Transaction unit amount (e.g. XX square meters, equivalent to XX ping), unit price, and total transaction price:
Transaction volume: one batch;
average unit price: NT$3,476,344,098;
total transaction price: NT$3,476,344,098
6. Trading counterparty and its relationship with the Company (if the trading counterparty is a natural person and furthermore is not a related party of the Company, the name of the trading counterparty is not required to be disclosed):
L&K Engineering CO., LTD. (Singapore Branch); non-related party transaction
7. Where the trading counterparty is a related party, announcement shall also be made of the reason for choosing the related party as trading counterparty and the identity of the previous owner, its relationship with the Company and the trading counterparty, and the previous date and monetary amount of transfer: NA
8. Where an owner of the underlying assets within the past five years has been a related party of the Company, the announcement shall also include the date and price of acquisition and disposal by the related party, and its relationship with the Company at the time of the transaction: NA
9. Projected gain (or loss) through disposal (not applicable for acquisition of assets; those with deferral should provide a table explaining recognition): NA
10. Terms of delivery or payment (including payment period and monetary amount), restrictive covenants in the contract, and other important terms and conditions:
Terms of delivery or payment: Base on purchase order payment term.
Restrictive covenants in the contract: No
Other important terms and conditions: No
11. The manner of deciding on this transaction (such as invitation to tender, price comparison, or price negotiation), the reference basis for the decision on price, and the decision-making unit:
transaction: price negotiation;
the reference basis for the decision on price: market price;
the decision-making department: the Selection Meeting.
12. Name of the professional appraisal firm or company and its appraisal price: NA
13. Name of the professional appraiser: NA
14. Practice certificate number of the professional appraiser: NA
15. The appraisal report has a limited price, specific price, or special price: NA
16. An appraisal report has not yet been obtained: NA
17. Reason for an appraisal report not being obtained: NA
18. Reason for any significant discrepancy with the appraisal reports and opinion of the CPA: NA
19. Name of the CPA firm: NA
20. Name of the CPA: NA
21. Practice certificate number of the CPA: NA
22. Broker and broker’s fee: None
23. Concrete purpose or use of the acquisition or disposal: For production
24. Any dissenting opinions of directors to the present transaction: NA
25. Whether the counterparty of the current transaction is a related party: No
26. Date of ratification by supervisors or approval by the audit committee: NA
27. The transaction is to acquire a real property or right-of-use asset from a related party: No
28. The price assessed in accordance with the Article 16 of the Regulations Governing the Acquisition and Disposal of Assets by Public Companies: NA
29. Where the above assessed price is lower than the transaction price, the price assessed in accordance with the Article 17 of the same regulations: NA
30. Date on which material information regarding the same event has been previously released: NA
31. Any other matters that need to be specified: None
Exhibit 99.2
To announce related materials on acquisition of facilities
1. Name and nature of the underlying asset (e.g., land located at Sublot XX, Lot XX, North District, Taichung City): Facilities
2. Date of occurrence of the event: 2026/05/25~2026/05/26
3. Date of the board of directors’ resolution: NA
4. Other approval date:
Approval level: NA; 2026/05/26
5. Transaction unit amount (e.g. XX square meters, equivalent to XX ping), unit price, and total transaction price:
Transaction volume: one batch;
average unit price: NT$1,204,169,928;
total transaction price: NT$1,204,169,928
6. Trading counterparty and its relationship with the Company (if the trading counterparty is a natural person and furthermore is not a related party of the Company, the name of the trading counterparty is not required to be disclosed):
LIMK ENGINEERING PTE. LTD.; non-related party transaction
7. Where the trading counterparty is a related party, announcement shall also be made of the reason for choosing the related party as trading counterparty and the identity of the previous owner, its relationship with the Company and the trading counterparty, and the previous date and monetary amount of transfer: NA
8. Where an owner of the underlying assets within the past five years has been a related party of the Company, the announcement shall also include the date and price of acquisition and disposal by the related party, and its relationship with the Company at the time of the transaction: NA
9. Projected gain (or loss) through disposal (not applicable for acquisition of assets; those with deferral should provide a table explaining recognition): NA
10. Terms of delivery or payment (including payment period and monetary amount), restrictive covenants in the contract, and other important terms and conditions:
Terms of delivery or payment: Base on purchase order payment term.
Restrictive covenants in the contract: No
Other important terms and conditions: No
11. The manner of deciding on this transaction (such as invitation to tender, price comparison, or price negotiation), the reference basis for the decision on price, and the decision-making unit:
transaction: price negotiation;
the reference basis for the decision on price: market price;
the decision-making department: the Selection Meeting.
12. Name of the professional appraisal firm or company and its appraisal price: NA
13. Name of the professional appraiser: NA
14. Practice certificate number of the professional appraiser: NA
15. The appraisal report has a limited price, specific price, or special price: NA
16. An appraisal report has not yet been obtained: NA
17. Reason for an appraisal report not being obtained: NA
18. Reason for any significant discrepancy with the appraisal reports and opinion of the CPA: NA
19. Name of the CPA firm: NA
20. Name of the CPA: NA
21. Practice certificate number of the CPA: NA
22. Broker and broker’s fee: None
23. Concrete purpose or use of the acquisition or disposal: For production
24. Any dissenting opinions of directors to the present transaction: NA
25. Whether the counterparty of the current transaction is a related party: No
26. Date of ratification by supervisors or approval by the audit committee: NA
27. The transaction is to acquire a real property or right-of-use asset from a related party: No
28. The price assessed in accordance with the Article 16 of the Regulations Governing the Acquisition and Disposal of Assets by Public Companies: NA
29. Where the above assessed price is lower than the transaction price, the price assessed in accordance with the Article 17 of the same regulations: NA
30. Date on which material information regarding the same event has been previously released: NA
31. Any other matters that need to be specified: None
Exhibit 99.3
Important Resolutions from UMC’s 2026 Annual General Meeting
1. Date of the shareholders meeting: 2026/05/27
2. Important resolutions (1) Profit distribution/ deficit compensation:
Approved the Company’s 2025 earnings distribution
11,157,922,791 shares were represented at the time of voting (including 8,791,447,182 shares voted via electronic transmission)
Votes for: 10,468,536,865 votes; 93.82% of the total represented at the time of voting.
Votes against: 425,031 votes; 0.00% of the total represented at the time of voting.
Votes invalid: 0 votes; 0.00% of the total represented at the time of voting.
Votes abstained: 688,960,895 votes; 6.18% of the total represented at the time of voting.
3. Important resolutions (2) Amendments to the corporate charter: None
4. Important resolutions (3) Business report and financial statements:
Approved the Company's 2025 business report and financial statements
11,157,922,791 shares were represented at the time of voting (including 8,791,447,182 shares voted via electronic transmission)
Votes for: 10,456,400,852 votes; 93.71% of the total represented at the time of voting.
Votes against: 367,316 votes; 0.00% of the total represented at the time of voting.
Votes invalid: 2,829 votes; 0.00% of the total represented at the time of voting.
Votes abstained: 701,151,794 votes; 6.29% of the total represented at the time of voting.
5. Important resolutions (4) Elections for board of directors and supervisors: None
6. Important resolutions (5) Any other proposals:
1) Approved to amend the Company’s “Acquisition or Disposal of Assets Procedure”.
11,157,922,791 shares were represented at the time of voting (including 8,791,447,182 shares voted via electronic transmission)
Votes for: 10,468,343,246 votes; 93.82% of the total represented at the time of voting.
Votes against: 471,225 votes; 0.00% of the total represented at the time of voting.
Votes invalid: 1,001 votes; 0.00% of the total represented at the time of voting.
Votes abstained: 689,107,319 votes; 6.18% of the total represented at the time of voting.
2) Approved the issuance of Restricted Stock Awards.
11,157,922,791 shares were represented at the time of voting (including 8,791,447,182 shares voted via electronic transmission)
Votes for: 10,389,023,912 votes; 93.11% of the total represented at the time of voting.
Votes against: 69,594,801 votes; 0.62% of the total represented at the time of voting.
Votes invalid: 1,001 votes; 0.00% of the total represented at the time of voting.
Votes abstained: 699,303,077 votes; 6.27% of the total represented at the time of voting.
7. Any other matters that need to be specified: None