Tatung Announces Supreme People's Court of China Rejects Retrial Application in Litigation Against CPT Group

1. Parties to the legal case: Applicant: Tatung Co., Ltd. Respondent: CPT Technology (Group) Co., Ltd.

2. Name of the court or authority involved: Supreme People's Court of the People's Republic of China

3. Case number of the relevant legal document: (2026) Zui Gao Fa Min Shen No. 1724

4. Date of occurrence: July 2, 2026 (ROC Year 115)

5. Background of the event (including subject of litigation): Tatung publicly announced the litigation case against CPT Technology (Group) Co., Ltd. on March 28, 2019 (ROC Year 108). The company disclosed the first-instance judgment on July 15, 2023 (ROC Year 112), and the second-instance judgment on December 13, 2025 (ROC Year 114). After submitting a retrial application to China's Supreme People's Court, Tatung received notice from its appointed legal counsel on July 2, 2026 (ROC Year 115) that the Court has ruled to dismiss its retrial petition.

6. Handling process: The company will continue to engage legal counsel to manage subsequent legal matters.

7. Impact on company's financials and operations, and estimated amount of impact: Tatung has assessed the financial and operational implications in accordance with applicable accounting standards and will proceed with follow-up actions based on auditor findings.

8. Response measures and improvement status: Without recognition by courts in Taiwan, judgments from mainland China are not enforceable in the Taiwan region. Currently, there is no material impact on the company's financials or operations. Tatung believes the Supreme People's Court's ruling contains flaws and will pursue legal remedies under cross-strait laws to protect the company's and shareholders' rights.

9. Other matters to be disclosed (if the entity involved is a publicly listed company, this material information also qualifies as a significant matter under Article 7, Paragraph 2, Item 2 of the Enforcement Rules of the Securities and Exchange Act, affecting shareholder rights or securities prices): The first-instance judgment ruled that Tatung and CPT are jointly and severally liable for approximately RMB 3.029 billion.