United Microelectronics (NYSE: UMC) sets banks for convertible bond proceeds

Rhea-AI Filing Summary

United Microelectronics Corporation set July 29, 2026 as the expected board meeting date to review the Q2 2026 consolidated financial report, following notice issued on July 21, 2026.

The company also approved banking arrangements for its 1st and 2nd domestic unsecured convertible corporate bonds, appointing Hua Nan Commercial Bank, Business Department to collect proceeds and CTBC Commercial Bank, Dunnan Branch to hold the dedicated deposit account.

Key Figures

Board meeting date: 2026/07/29 Notice date: 2026/07/21 Contract date for banking arrangements: 2026/07/21 +1 more

4 metrics

Board meeting date 2026/07/29 Expected board meeting to review Q2 2026 consolidated financial report

Notice date 2026/07/21 Date notice of the board of directors meeting was issued

Contract date for banking arrangements 2026/07/21 Contract date for designated banks for 1st and 2nd domestic unsecured convertible corporate bonds

Financial reporting period Q2 2026 Year and quarter of the consolidated financial report to be submitted to the board

Key Terms

consolidated financial report, domestic unsecured convertible corporate bond, Regulations Governing the Offering and Issuance of Securities by Securities Issuers, dedicated deposit account

4 terms

consolidated financial report financial

"Expected year and quarter of the consolidated financial report submitted to the board"

domestic unsecured convertible corporate bond financial

"Announcement of the banks designated for the 1st and 2nd domestic unsecured convertible corporate bond"

Regulations Governing the Offering and Issuance of Securities by Securities Issuers regulatory

"Announcement in accordance with Article 9, Paragraph 1, Item 2 of the Regulations Governing the Offering and Issuance"

dedicated deposit account financial

"Bank for the Dedicated Deposit Account: CTBC Commercial Bank, Dunnan Branch"

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FAQ

When will UMC's board review the Q2 2026 consolidated financial report?

The board is expected to meet on July 29, 2026 to review the Q2 2026 consolidated financial report. The notice of this board meeting date was issued on July 21, 2026.

What financial period will be covered in United Microelectronics (UMC) upcoming board meeting?

The board meeting will address the Q2 2026 consolidated financial report. This report represents the company’s consolidated results for the second quarter of 2026 and is scheduled for board review on July 29, 2026.

What did United Microelectronics Corporation (UMC) announce about its domestic convertible corporate bonds?

UMC designated banks for its 1st and 2nd domestic unsecured convertible corporate bonds. The contract was dated 2026/07/21 and relates to collection of proceeds and the dedicated deposit account for these bond issues.

Which banks has UMC designated for collection and deposit of its convertible bond proceeds?

UMC appointed Hua Nan Commercial Bank, Business Department as the bank for collection of proceeds and CTBC Commercial Bank, Dunnan Branch as the bank for the dedicated deposit account for its 1st and 2nd domestic unsecured convertible corporate bonds.

Does the convertible bond banking announcement relate to UMC's head office or subsidiaries?

The announcement explicitly states that the entity involved is the head office of United Microelectronics Corporation. Reciprocal shareholding ratios are listed as not applicable, indicating no subsidiary relationship in this particular arrangement.

Under which regulations did UMC disclose the banking arrangements for its convertible bonds?

UMC made the disclosure under Article 9, Paragraph 1, Item 2 of the "Regulations Governing the Offering and Issuance of Securities by Securities Issuers" and noted that it also meets Article 7, subparagraph 9 of the Securities and Exchange Act Enforcement Rules.

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 21, 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
By:	Chitung Liu
Name:	Chitung Liu
Title:	CFO

Date: July 21, 2026

2

EXHIBIT INDEX

Exhibit		Description
99		6K on 07/21/2026

3

www.umc.com

Exhibit

Exhibit Description

99.1 Announcement on 2026/07/21: Announcement of the Company’s Board Meeting Date of Q2, 2026 Consolidated Financial Report

99.2 Announcement on 2026/07/21: Announcement of the banks designated to collect and deposit for the 1st and 2nd domestic unsecured convertible corporate bond

Exhibit 99.1

Announcement of the Company’s Board Meeting Date of Q2, 2026 Consolidated Financial Report

1. Date of a notice of the board of directors meeting is issued: 2026/07/21

2. Expected date of the board of directors meeting is convened: 2026/07/29

3. Expected year and quarter of the financial reports or the annual self-assessed financial information submitted to the board of directors or approved by the board of directors:

Q2, 2026 Consolidated Financial Report

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

Exhibit 99.2

Announcement of the banks designated to collect and deposit for the 1st and 2nd domestic unsecured convertible corporate bond

1. Date of occurrence of the event: 2026/07/21

2. Company name: UNITED MICROELECTRONICS CORPORATION

3. Relationship to the Company (please enter “head office” or “subsidiaries”): head office

4. Reciprocal shareholding ratios: Not applicable

5. Cause of occurrence:

Announcement in accordance with Article 9, Paragraph 1, Item 2 of the “Regulations Governing the Offering and Issuance of Securities by Securities Issuers”

6. Countermeasures: None

7. Any other matters that need to be specified (the information disclosure also meets the requirements of Article 7, subparagraph 9 of the Securities and Exchange Act Enforcement Rules, which brings forth a significant impact on shareholders rights or the price of the securities on public companies.):

(1) Contract Date: 2026/07/21

(2) Bank for Collection of Proceeds: Hua Nan Commercial Bank, Business Department

(3) Bank for the Dedicated Deposit Account: CTBC Commercial Bank, Dunnan Branch

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99 EX-99 13.9 KB