Important Notice on the Upcoming Suspension of Conversion for Di'er Convertible Bonds

Important Notice on the Upcoming Suspension of Conversion for Di'er Convertible Bonds

Wuhan Di'er Laser Technology Co., Ltd. and all members of the Board of Directors guarantee that the content of this information disclosure is true, accurate, and complete, without false records, misleading statements, or significant omissions.

Important Reminder:

1. Last conversion date for convertible bonds: June 2, 2026

   • On June 2, 2026, investors holding "Di'er Convertible Bonds" can still convert their bonds before market close. After market close on June 2, 2026, unconverted "Di'er Convertible Bonds" will stop conversion, and the remaining bonds will be forcibly redeemed at a price of 102.068 CNY per bond (including interest and tax). If forcibly redeemed, investors may face losses. As of market close on June 2, 2026, there is only half a trading day left until the suspension of conversion on June 3, 2026.

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

3. Special reminder for "Di'er Convertible Bond" holders to pay attention to the conversion 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 when redemption conditions are met: May 12, 2026
7. Redemption registration date: June 2, 2026
8. Date for issuer's redemption funds to arrive (to China Clearing account): June 8, 2026
9. Redemption type: Full redemption
10. According to the arrangement, all "Di'er Convertible Bonds" that have not been converted by market close on June 2, 2026, will be forcibly redeemed. After this redemption is completed, "Di'er Convertible Bonds" will be delisted from the Shenzhen Stock Exchange. "Di'er Convertible Bond" holders are reminded to pay attention to the conversion within the deadline. If "Di'er Convertible Bonds" held by investors are pledged or frozen, it is recommended to lift the pledge or freeze before the suspension of conversion to avoid being forcibly redeemed due to inability to convert.
11. Bondholders wishing to convert must open trading permissions for the ChiNext board. Investors who do not meet the suitability management requirements for ChiNext stocks cannot convert their "Di'er Convertible Bonds" into stocks, and investors are reminded to pay attention to the risk of being unable to convert.
12. Risk reminder: Due to the significant difference between the current secondary market price of "Di'er Convertible Bonds" and the redemption price, "Di'er Convertible Bond" holders are reminded to pay attention to the conversion 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.