Working Rules of the Special Committee of the Board of Directors

The system of selecting and hiring accounting firms

Independent director working system

Working Rules for Special Meetings of Independent Directors

Announcement on Resolutions of the Eighth Meeting of the Eighth Session of the Board of Supervisors

Announcement on the Release of Pledge of Part of the Shares of the Controlling Shareholder of the Company

Announcement on Obtaking Computer Software Copyright Registration Certificate

Announcement on the First Grant of Part of the Second Vesting Period of the Company's 2021 Restricted Stock Incentive Plan and the Listing of Shares

Announcement on Obtaking Computer Software Copyright Registration Certificate

Announcement on Progress in Obtaining Government Subsidies

Announcement of Achievement of Vesting Conditions for First Grant of Partial Second Vesting Period under the 2021 Restricted Stock Incentive Plan

Shanghai Rongzheng Enterprise Consulting Services (Group) Co., Ltd. Independent Financial Advisor's Report on the Achievement of the First Grant of Part of the Second Vesting Period of the 2021 Restricted Stock Incentive Plan of Jiangsu Yitong High-Tech Co., Ltd.

Announcement on Resolutions of the Seventh Meeting of the Eighth Session of the Board of Directors

Announcement on Resolutions of the Seventh Meeting of the Eighth Session of the Board of Supervisors

Announcement on the cancellation of some restricted stocks.

Supervisory Board's Verification Opinion on the First Grant of Part of the Second Vesting Period Vesting List under the 2021 Restricted Stock Incentive Plan

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