Announcement on the Self-Inspection Report of Related Parties' Stock Trading in Connection with Asset Purchase and Fundraising

Announcement on the Self-Inspection Report of Related Parties' Stock Trading in Connection with Asset Purchase and Fundraising

Unisoc Microelectronics Co., Ltd. (hereinafter referred to as "the Company," "the Listed Company," or "Unisoc") and all members of the Board of Directors guarantee that the content of this information disclosure is true, accurate, and complete, without any false records, misleading statements, or significant omissions.

Special Reminder:

1. The Company disclosed the "Report on Issuing Shares and Paying Cash to Purchase Assets and Raising Supporting Funds and Related Transactions (Draft)" (hereinafter referred to as "the Restructuring Report") and its summary on May 23, 2026. The "Major Matters Reminder" and "Major Risk Reminder" sections detailed the approval procedures and risk factors involved in this transaction. Investors are advised to pay attention to investment risks.
2. The Company conducted a self-inspection of the stock trading activities of related parties from six months prior to the first disclosure of this transaction or the application for stock suspension (whichever is earlier) until the day before the disclosure of the Restructuring Report, specifically from June 30, 2025, to May 22, 2026 (hereinafter referred to as "the Self-Inspection Period"). During the Self-Inspection Period, except for the situations listed in Section 3 of this report, no other institutions or individuals within the self-inspection scope engaged in trading the Company's stocks or other related securities.

After the self-inspection, the Board of Directors believes that, based on the insider information registrant list, self-inspection reports, and commitment letters signed by related parties, as well as the confirmation of the truthfulness, accuracy, and completeness of the information by related parties, the trading activities of the aforementioned related parties during the self-inspection period do not constitute insider trading and do not pose substantial legal obstacles to this transaction.

The Company intends to purchase 100% equity of Ruineng Semiconductor Technology Co., Ltd. held by 14 counterparties, including Nanchang Jianen Semiconductor Industry Investment Center (Limited Partnership), Beijing Guangmeng Semiconductor Industry Investment Center (Limited Partnership), and Tianjin Ruixin Semiconductor Industry Investment Center (Limited Partnership), through issuing shares and paying cash, and to raise supporting funds (hereinafter referred to as "this transaction" or "this restructuring").

Self-Inspection Period for Related Parties' Stock Trading

The self-inspection period for related parties' stock trading in connection with this transaction is from June 30, 2025, to May 22, 2026.

Scope of Inspection for Related Parties

The scope of insider information registrants for this transaction includes:

1. The listed company and its directors, senior management, and relevant informed personnel;
2. The controlling shareholders of the listed company and their directors, supervisors, senior management, indirect controlling shareholders, and their main responsible persons and relevant informed personnel;
3. Counterparties and their main responsible persons and relevant informed personnel;
4. The target company and its directors, senior management, and relevant informed personnel;
5. Relevant intermediary institutions providing securities services for this transaction and specific business personnel;
6. Other legal entities and individuals who are aware of the insider information for this transaction;
7. Immediate family members of the aforementioned individuals, including spouses, parents, and adult children.

Trading Activities of Related Parties During the Self-Inspection Period

According to the "Stockholder Shareholding and Change Query Certificate" and "Shareholder Share Change Detail List" issued by the Shenzhen Branch of China Securities Depository and Clearing Corporation Limited, as well as self-inspection reports from relevant parties, the trading activities of related parties within the self-inspection scope during the self-inspection period are as follows:

Trading Activities of Relevant Individuals

During the self-inspection period, there were 5 individuals within the scope of this transaction who engaged in trading Unisoc stocks, as detailed below: