6944 Mega Union Industries Announces New Guarantee for Subsidiaries

Announcement Date: July 4, 2026 Statement Date: July 3, 2026 Statement Time: 15:39:37 Company Code: 6944 Company Name: Mega Union Industries

Subject: This company announces in accordance with Article 25, Paragraph 1, Items 2 to 4 of the Regulations Governing Loans, Guarantees, and Endorsements by Publicly Issued Companies.

Applicable Clause: Clause 22 Date of Event: July 3, 2026

Details:

1. Date of Event: 07/03/2026

2. Information on the Guaranteed Parties:

(1) Company Name: Mega Union Technology Global Private Limited (2) Relationship with Guarantor: A direct 100% subsidiary of the company. (3) Guarantee Limit (in thousand NT$): 8,859,832 (4) Previous Guarantee Balance (in thousand NT$): 95,520 (5) Amount of New Guarantee (in thousand NT$): 159,200 (6) Guarantee Balance as of Event Date (in thousand NT$): 254,720 (7) Amount Actually Drawn by the Guaranteed Party (in thousand NT$): 0 (8) Reason for New Guarantee: To meet working capital needs, the parent company provides guarantees for the subsidiary's bank financing facilities.

(1) Company Name: MUAQUA ENGINEERING INC. (2) Relationship with Guarantor: A direct 100% subsidiary of the company. (3) Guarantee Limit (in thousand NT$): 8,859,832 (4) Previous Guarantee Balance (in thousand NT$): 2,547,200 (5) Amount of New Guarantee (in thousand NT$): 2,547,200 (6) Guarantee Balance as of Event Date (in thousand NT$): 5,094,400 (7) Amount Actually Drawn by the Guaranteed Party (in thousand NT$): 0 (8) Reason for New Guarantee: To meet working capital needs, the parent company provides guarantees for the subsidiary's bank financing facilities.

3. Collateral Provided by the Guaranteed Companies:

(1) Description: None (2) Value (in thousand NT$): 0

4. Latest Financial Statement Data of the Guaranteed Companies:

(1) Capital (in thousand NT$): 203,275 (2) Accumulated Profits/Losses (in thousand NT$): 1,187,749

5. Conditions for Release from Guarantee Liability:

(1) Conditions: As stipulated in the contract (2) Date: As stipulated in the contract

6. Total Guarantee Limit (in thousand NT$): 8,859,832

7. Total Guarantee Balance as of Event Date (in thousand NT$): 5,536,720

8. Ratio of Guarantee Balance to the Net Worth in the Company’s Latest Financial Statements as of Event Date: 62.49%

9. Combined Ratio of Guarantee, Long-Term Investment, and Fund Lending Balances to the Net Worth in the Company’s Latest Financial Statements as of Event Date: 91.17%

10. Other Matters to be Disclosed:

1. Capital in the Latest Financial Statements of the Guaranteed Companies: - Mega Union Technology Global Private Limited: NT$43,275 thousand - MUAQUA ENGINEERING INC.: NT$160,000 thousand

2. Accumulated Profits/Losses in the Latest Financial Statements of the Guaranteed Companies: - Mega Union Technology Global Private Limited: NT$884,479 thousand - MUAQUA ENGINEERING INC.: NT$303,270 thousand