Exhibit 99.1 Hesai Group Reports Second Quarter 2023 Unaudited Financial Results Quarterly net revenues were RMB440.3 million (US$60.7 million), an increase of 108.5% year-over-year Quarterly LiDAR shipments were 52,106 units, an increase of 946.5% year-over-year SHANGHAI, China--(GLOBE NEWSWIRE) –August 15, 2023-- Hesai Group ("Hesai" or the "Company"), (NASDAQ: HSAI), the global leader in three-dimensional light detection and ranging (LiDAR) solutions, today announced its unaudited financial results for t ...