VOLUNTARY ANNOUNCEMENT - SHIPMENT VOLUME FOR JUNE 2024

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.SUNNY OPTICAL TECHNOLOGY (GROUP) COMPANY LIMITED 舜宇光学科技（集团）有限公司 (Incorporated in the Cayman Islands with limited liability) (Stock Code: 2382.HK) VOLUNTARY ANNOUNCEMENT Sunny Optical Technology (Group) Company Limited (the “Company”) on a voluntary basis makes this announcement.The board (the “Board”) of directors (the “Directors” each a “Director”) of the Company wishes to announce that the details of the shipment volume of each major product of the Company in June 2024 are as follows: Optical Components Change (%) Change (%) June 2024 Month-on-Month Year-on-Year Product Categories (’000 units) (“MoM”) (“YoY”) Spherical glass lenses 2262 -11.8% +7.3% Handset lens sets1 108834 +5.1% +19.6% Vehicle lens sets 7640 -8.4% +3.4% Other lens sets 7581 +8.9% +14.2% Optoelectronic Products June 2024 Change (%) Change (%) Product Categories (’000 units) MoM YoY Handset camera modules2 41622 -8.5% -20.2% Other optoelectronic products 3652 +9.1% +205.4% Optical Instruments June 2024 Change (%) Change (%) Product Categories (Units) MoM YoY Microscopic instruments 11755 -24.5% -50.9% 1. The shipment volume of handset lens sets increased by 19.6% YoY which was mainly due to the low base caused by the weak demand from the overall smartphone market in the same period of last year. 2. The shipment volume of handset camera modules decreased by 20.2% YoY which was mainly due to the product mix improvement compared to the same period of last year. 1Optical Components Shipment Volume (’000 units) 2024 Product Categories January February March April May June July August September October November December Total Spherical glass lenses 1764 1103 1951 2403 2565 2262 N/A N/A N/A N/A N/A N/A 12048 Handset lens sets 103237 104387 112723 101692 103528 108834 N/A N/A N/A N/A N/A N/A 634401 Vehicle lens sets 12048 7805 8432 8970 8339 7640 N/A N/A N/A N/A N/A N/A 53234 Other lens sets 7599 5777 4315 6352 6961 7581 N/A N/A N/A N/A N/A N/A 38585 Optoelectronic Products Shipment Volume (’000 units) 2024 Product Categories January February March April May June July August September October November December Total Handset camera modules 62256 52067 41895 45683 45490 41622 N/A N/A N/A N/A N/A N/A 289013 Other optoelectronic products 1993 1940 3270 3224 3346 3652 N/A N/A N/A N/A N/A N/A 17425 Optical Instruments Shipment Volume (Units) 2024 Product Categories January February March April May June July August September October November December Total Microscopic instruments 18078 7858 14972 25039 15564 11755 N/A N/A N/A N/A N/A N/A 93266 This announcement is made by the order of the Board of which the Board individually and jointly accepts responsibility for the accuracy of this announcement.By order of the Board Sunny Optical Technology (Group) Company Limited Ye Liaoning Chairman and Executive Director China 9 July 2024 As at the date of this announcement the Board comprises Mr. Ye Liaoning Mr. Sun Yang and Mr.Wang Wenjie who are executive Directors; Mr. Wang Wenjian who is non-executive Director and Mr. Feng Hua Jun Mr. Shao Yang Dong and Ms. Jia Lina who are independent non-executive Directors. 2