Engineering Optics: Net profit in the first quarter was 8.73 million yuan, a year-on-year increase of 8.27%.

School of Optics and Photonics announcement: In the first quarter of 2026, operating revenue was 122 million yuan, a year-on-year increase of 12.92%. Net profit was 8.7341 million yuan, up 8.27% year-on-year.