Important Notice on Early Redemption of Dier Convertible Bonds and Upcoming Suspension of Conversion

Important Notice on Early Redemption of Dier Convertible Bonds and Upcoming Suspension of Conversion

Wuhan Dier Laser Technology Co., Ltd. and all members of the board guarantee that the information disclosed is true, accurate, and complete, without false records, misleading statements, or significant omissions.

Important Notice:

1. Last conversion date for convertible bonds: June 2, 2026
   Investors holding "Dier Convertible Bonds" can still convert their bonds before the market closes on June 2, 2026. After the market closes on June 2, 2026, unconverted "Dier Convertible Bonds" will stop conversion and will be forcibly redeemed at a price of 102.068 CNY per bond (including interest and tax). Investors may face losses if forcibly redeemed. As of the market close on May 29, 2026, there are only 2 trading days left until the conversion suspension date (June 3, 2026).

2. Bondholders wishing to convert must have access to the ChiNext trading permissions. Investors who do not meet the suitability management requirements for ChiNext stocks cannot convert their "Dier Convertible Bonds" into stocks, and investors are reminded to pay attention to the risk of being unable to convert.

3. Special reminder for "Dier Convertible Bond" holders to convert within the deadline.

Special Reminders:

1. Redemption date for convertible bonds: June 3, 2026

2. Redemption price for convertible bonds: 102.068 CNY per bond (including interest and tax)

3. Date for redemption funds to arrive: June 10, 2026

4. Last trading day for convertible bonds: May 29, 2026

5. Last conversion day for convertible bonds: June 3, 2026

6. Date for redemption conditions to be met: May 12, 2026

7. Redemption registration date: June 2, 2026

8. Date for issuer's redemption funds to arrive (to the China Securities Depository and Clearing Corporation): June 8, 2026

9. Redemption type: Full redemption

10. According to the arrangement, all unconverted "Dier Convertible Bonds" after the market close on June 2, 2026, will be forcibly redeemed. After this redemption is completed, "Dier Convertible Bonds" will be delisted from the Shenzhen Stock Exchange. Bondholders are reminded to convert within the deadline. If "Dier Convertible Bonds" held by bondholders are pledged or frozen, it is recommended to lift the pledge or freeze before the conversion suspension date to avoid being forcibly redeemed due to inability to convert.

11. Bondholders wishing to convert must have access to the ChiNext trading permissions. Investors who do not meet the suitability management requirements for ChiNext stocks cannot convert their "Dier Convertible Bonds" into stocks, and investors are reminded to pay attention to the risk of being unable to convert.

12. Risk warning: Due to the significant difference between the current secondary market price of "Dier Convertible Bonds" and the redemption price, bondholders are reminded to convert within the deadline. If investors do not convert in time, they may face losses, and all investors are advised to pay attention to the risks.

From April 17, 2026, to May 12, 2026, the stock of Wuhan Dier Laser Technology Co., Ltd. has met the requirement of having a closing price not lower than 130% of the current conversion price (73.56 CNY/share) for at least 15 trading days out of 30 consecutive trading days. According to the relevant provisions of the "Prospectus for the Public Offering of Convertible Corporate Bonds by Wuhan Dier Laser Technology Co., Ltd." regarding "conditional redemption clauses," the company has the right to decide to redeem all or part of the unconverted convertible corporate bonds at the face value plus accrued interest.

On May 12, 2026, the company held the 13th meeting of the 4th Board of Directors, which reviewed and approved the proposal for the early redemption of Dier Convertible Bonds. Considering the current market and the actual situation of the company, the board of directors decided to exercise the early redemption rights of "Dier Convertible Bonds" and redeem all unconverted "Dier Convertible Bonds" at the face value plus accrued interest after the market close on the redemption registration date, and authorized the company's management to handle subsequent matters related to the redemption of "Dier Convertible Bonds."