Listing Announcement for Kingsignal Technology Co., Ltd. on the Shenzhen Stock Exchange

Special Reminder

1. Issuance of Shares and Pricing

   1. Number of shares issued: 22,060,119 shares
   2. Issuance price: RMB 12.59 per share
   3. Total funds raised: RMB 277,736,898.21
   4. Net funds raised: RMB 274,295,984.04

2. New Stock Listing Arrangement

   1. Number of shares listed: 22,060,119 shares
   2. Listing date: May 29, 2026 (first trading day), the company's stock price will not be adjusted for rights issues, and trading will be subject to price fluctuation limits.

3. Lock-up Period for Issued Shares The shares issued through the simplified procedure to specific targets cannot be transferred within six months from the end of the issuance, starting from May 29, 2026 (the first trading day). Shares derived from stock dividends or capital reserves must also comply with the above lock-up arrangements. After the lock-up period, the transfer of shares must comply with relevant regulations from the China Securities Regulatory Commission and the Shenzhen Stock Exchange. If there are specific regulations regarding the lock-up period or transfer of shares after the lock-up period, those regulations will apply.

4. After the issuance, the company's equity distribution will meet the listing requirements of the Shenzhen Stock Exchange and will not lead to non-compliance with stock listing conditions.

Table of Contents

• Special Reminder .......................................................................................................... 2
• Table of Contents ........................................................................................................ 3
• Definitions .................................................................................................................. 4
• I. Basic Information of the Company ........................................................................ 5
• II. Issuance of New Shares ......................................................................................... 5
• III. Listing of New Shares .......................................................................................... 21
• IV. Changes in Shares and Their Impact ................................................................... 22
• V. Financial and Accounting Information Analysis .................................................... 24
• VI. Relevant Institutions for the Issuance and Listing of New Shares ..................... 27
• VII. Sponsor's Listing Recommendation Opinion ........................................................ 28
• VIII. Other Important Matters .................................................................................... 29
• IX. Documents for Reference .................................................................................... 29

Definitions

In this listing announcement, unless otherwise specified, the following terms have the meanings ascribed to them:

• Kingsignal, Company, This Company, Listed Company, Issuer refers to Kingsignal Technology Co., Ltd.
• This Issuance, This Issuance through Simplified Procedure to Specific Targets refers to the act of Kingsignal issuing A-shares to specific targets through a simplified procedure.
• Listing Announcement, This Listing Announcement refers to the listing announcement for Kingsignal Technology Co., Ltd. regarding the issuance of shares through a simplified procedure.
• Sponsor, Lead Underwriter refers to AVIC Securities Co., Ltd.
• Audit Institution, Verification Institution, Accounting Firm refers to Zhonghui Certified Public Accountants (Special General Partnership).
• Issuer's Lawyer refers to Beijing DeHeng Law Offices.
• Shareholders' Meeting refers to the shareholders' meeting of Kingsignal Technology Co., Ltd.
• Board of Directors refers to the Board of Directors of Kingsignal Technology Co., Ltd.
• CSRC refers to the China Securities Regulatory Commission.
• SZSE, Exchange refers to the Shenzhen Stock Exchange.
• Company Law refers to the Company Law of the People's Republic of China.
• Securities Law refers to the Securities Law of the People's Republic of China.
• Reporting Period, Reporting Period refers to the years 2023, 2024, and 2025.
• End of Reporting Period refers to December 31 of 2023, 2024, and 2025.
• Yuan, Ten Thousand, Hundred Million refers to RMB Yuan, RMB Ten Thousand, RMB Hundred Million.
• Note: If there are discrepancies between the total and the sum of individual items in this listing announcement, they are due to rounding.