Mingjia Hui Technology Co., Ltd. of Shenzhen City Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases

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Security code: 300506 Stock abbreviation: ST Mingjiahui Announcement No.: 2026-022

Shenzhen Mingjiahui Technology Co., Ltd.

Announcement on the Progress of Cumulative and Material Litigation and Arbitration (XXI)

All company and board members of this Company warrant that the information disclosure is true, accurate, and complete, and contains no false records, misleading statements, or material omissions.

I. Disclosed Litigation and Arbitration Cases

According to the requirements of the Rules Governing the Listing of Stocks on the ChiNext Market of the Shenzhen Stock Exchange, Shenzhen Mingjiahui Technology Co., Ltd. (hereinafter referred to as the “Company” or “Mingjiahui”) made disclosures for litigation and arbitration matters involving the Company and its controlling subsidiaries that occurred within the last twelve months on April 27, 2023. For details, see the Announcement on Cumulative Litigation and Arbitration Cases (Announcement No.: 2023-042), and on May 29, 2023, June 29, 2023, July 31, 2023, August 30, 2023, October 9, 2023, November 8, 2023, December 8, 2023, January 9, 2024, February 8, 2024, March 8, 2024, April 8, 2024, and May 8, 2024, it disclosed the progress of the aforementioned litigation and arbitration matters. For details, see the Announcement on the Progress of Cumulative Litigation and Arbitration Cases (Announcement No.: 2023-050), the Announcement on the Progress of Cumulative Litigation and Arbitration Cases (II) (Announcement No.: 2023-052), the Announcement on the Progress of Cumulative Litigation and Arbitration Cases (III) (Announcement No.: 2023-056), the Announcement on the Progress of Cumulative Litigation and Arbitration Cases (IV) (Announcement No.: 2023-070), the Announcement on the Progress of Cumulative Litigation and Arbitration Cases (V) (Announcement No.: 2023-075), the Announcement on the Progress of Cumulative Litigation and Arbitration Cases (VI) (Announcement No.: 2023-081), the Announcement on the Progress of Cumulative Litigation and Arbitration Cases (VII) (Announcement No.: 2023-086), the Announcement on the Progress of Cumulative Litigation and Arbitration Cases (VIII) (Announcement No.: 2024-005), the Announcement on the Progress of Cumulative Litigation and Arbitration Cases (IX) (Announcement No.: 2024-016), the Announcement on the Progress of Cumulative Litigation and Arbitration Cases (X) (Announcement No.: 2024-019), the Announcement on the Progress of Cumulative Litigation and Arbitration Cases (XI) (Announcement No.: 2024-027), and the Announcement on the Progress of Cumulative Litigation and Arbitration Cases (XII) (Announcement No.: 2024-049).

Apart from the aforementioned disclosed litigation and arbitration cases, if newly arising litigation and arbitration cases occurring thereafter, when cumulatively calculated over consecutive twelve months, reach the disclosure threshold again, the Company disclosed the Announcement on Newly Added Cumulative Litigation and Arbitration Cases (Announcement No.: 2024-042) on April 26, 2024, the Announcement on Newly Added Cumulative Litigation and Arbitration Cases (Announcement No.: 2024-079) on July 31, 2024, the Announcement on Newly Added Cumulative Litigation and Arbitration Cases (Announcement No.: 2025-011) on February 6, 2025, the Announcement on Newly Added Cumulative Litigation and Arbitration Cases (Announcement No.: 2025-023) on March 13, 2025, and the Announcement on Newly Added Cumulative Litigation and Arbitration Cases (Announcement No.: 2025-086) on October 25, 2025.

According to the requirements of the Rules Governing the Listing of Stocks on the ChiNext Market of the Shenzhen Stock Exchange, the Company disclosed the Announcement on Major Litigation and Arbitration (Announcement No.: 2024-045) on April 26, 2024, the Announcement on Major Litigation and Arbitration (Announcement No.: 2024-068) on June 19, 2024, the Announcement on Major Litigation and Arbitration (Announcement No.: 2024-088) on September 10, 2024, the Announcement on Major Litigation and Arbitration (Announcement No.: 2025-036) on March 28, 2025, the Announcement on Major Litigation and Arbitration (Announcement No.: 2025-055) on May 14, 2025, the Announcement on Major Litigation and Arbitration (Announcement No.: 2025-060) on June 12, 2025, the Announcement on Major Litigation and Arbitration (Announcement No.: 2025-063) on July 1, 2025, the Announcement on Major Litigation and Arbitration (Announcement No.: 2025-078) on September 25, 2025, and the Announcement on Major Litigation and Arbitration (Announcement No.: 2025-102) on December 5, 2025. On March 16, 2026, it disclosed the Announcement on Major Litigation (Announcement No.: 2026-014), and on March 24, 2026, it disclosed the Announcement on Major Arbitration (Announcement No.: 2026-020).

On June 7, 2024, July 8, 2024, August 8, 2024, September 9, 2024, October 10, 2024, November 9, 2024, December 12, 2024, and January 13, 2025, February 14, 2025, March 13, 2025, April 14, 2025, May 14, 2025, June 12, 2025, July 16, 2025, August 14, 2025, September 15, 2025, October 21, 2025, November 26, 2025, December 31, 2025, and January 30, 2026, the Company disclosed the progress of the above cumulative and major litigation and arbitration matters. For details, see the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (I) (Announcement No.: 2024-061), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (II) (Announcement No.: 2024-072), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (III) (Announcement No.: 2024-081), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (IV) (Announcement No.: 2024-086), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (V) (Announcement No.: 2024-094), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (VI) (Announcement No.: 2024-100), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (VII) (Announcement No.: 2024-104), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (VIII) (Announcement No.: 2025-006), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (IX) (Announcement No.: 2025-014), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (X) (Announcement No.: 2025-022), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (XI) (Announcement No.: 2025-047), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (XII) (Announcement No.: 2025-054), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (XIII) (Announcement No.: 2025-061), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (XIV) (Announcement No.: 2025-064), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (XV) (Announcement No.: 2025-066), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (XVI) (Announcement No.: 2025-076), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (XVII) (Announcement No.: 2025-084), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (XVIII) (Announcement No.: 2025-100), the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (XIX) (Announcement No.: 2025-116), and the Announcement on the Progress of Cumulative and Major Litigation and Arbitration Cases (XX) (Announcement No.: 2026-009).

As of the date of disclosure in this announcement, some of the cases disclosed above have obtained progress in the recent period. For details, see the attached table “Statistics Table on the Progress of Litigation and Arbitration Cases” in this announcement.

II. Possible impact of this progress on the Company’s profit for the current period or profits for the period after this

Some cases are still in trial proceedings and have not yet issued a final effective ruling. For some settled cases, they may affect the Company’s cash flow. The Company will, according to the specific circumstances of each case, and in accordance with the requirements of relevant accounting standards and the actual situation, make the corresponding accounting treatment, and will closely monitor the subsequent progress of the related cases and timely fulfill information disclosure obligations. Investors are kindly requested to make rational investment decisions and pay attention to investment risks.

III. Reference documents

Legal documents regarding the progress of litigation and arbitration cases.

This announcement is hereby given.

Shenzhen Mingjiahui Technology Co., Ltd.

Board of Directors

March 31, 2026

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