Ningbo Tianlong Electronics Co., Ltd. Announcement on the Release and Re-pledge of Shares by Controlling Shareholders and Concerted Parties

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Stock code: 603266 Stock abbreviation: Tianlong Co., Ltd. Announcement No.: 2026-012

Ningbo Tianlong Electronics Co., Ltd.

Announcement on the Partial Release of Pledge and Re-Pledge of Shares by the Controlling Shareholder and Parties Acting in Concert

This Company’s board of directors and all directors hereby guarantee that this announcement contains no false records, misleading statements, or material omissions, and assume legal responsibility for the truthfulness, accuracy, and completeness of the contents of this announcement.

Key highlights:

● As of the date of this announcement, Zhejiang Aitai Holding Group Co., Ltd. (hereinafter referred to as “Aitai Holding”) holds 96,167,400 shares of the Company, accounting for 48.35% of the Company’s total share capital. After this release of the pledge and re-pledge of shares, the total number of pledged shares held by Aitai Holding is 41,000,000 shares, accounting for 42.63% of the total number of shares held by it, and accounting for 20.61% of the Company’s total share capital. The Company’s controlling shareholder’s party acting in concert, Ningbo Junrui Investment Partnership (Limited Partnership) (hereinafter referred to as “Junrui Investment”), holds 11,760,000 shares of the Company, accounting for 5.91% of the Company’s total share capital. After this release of the pledge and re-pledge of shares, the total number of pledged shares held by Junrui Investment is 5,000,000 shares, accounting for 42.52% of the total number of shares held by it, and accounting for 2.51% of the Company’s total share capital.

● As of the date of this announcement, Aitai Holding and its parties acting in concert, Junrui Investment and Zhang Haidong, collectively hold 109,758,100 shares of the Company, accounting for 55.19% of the Company’s total share capital. After this release of the pledge and re-pledge of shares, Aitai Holding and its parties acting in concert collectively have 46,000,000 shares pledged, accounting for 41.91% of the total number of shares held by them collectively, and accounting for 23.13% of the Company’s total share capital.

The Company, on March 31, 2026, learned that Aitai Holding and Junrui Investment will办理 the stock pledge release and re-pledge procedures for the shares pledged to the Cixi Sub-branch of Agricultural Bank of China Co., Ltd., and the specific details are as follows:

I. Details of the Release of Pledge of Shares in This Round

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The shares whose pledge is released in this round have been used to办理 subsequent pledges; for specific details, please refer to the text below.

II. Basic Information on the Re-Pledge of Shares

1. Basic Information on the Pledge of Shares in This Round

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2. There are no circumstances in which the pledged shares are used for purposes such as guarantees for performance compensation in major asset restructurings, etc.

3. Cumulative Pledged Shares by Shareholders

As of the date of disclosure of this announcement, the shares held by the above-mentioned shareholders and their parties acting in concert are all circulating shares with no restrictions on selling and there is no situation of seizure/freeze. The pledge situation is as follows:

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Note: Any discrepancies in the sum of shareholding proportions and the sums of certain sub-details, if any, are due to rounding.

The Company will continue to pay attention to the pledge and pledge release status of the shares of Aitai Holding and its parties acting in concert, strictly comply with relevant regulations, and timely fulfill information disclosure obligations. Investors are kindly reminded to pay attention to investment risks.

This announcement is hereby issued.

Ningbo Tianlong Electronics Co., Ltd.

Board of Directors

April 1, 2026

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