Exhibit 99.1 Hesai Group Reports Third Quarter 2023 Unaudited Financial Results Quarterly net revenues were RMB445.6 million (US$61.1 million), an increase of 33.5% year-over-year Quarterly lidar shipments were 47,440 units, an increase of 125.5% year-over-year SHANGHAI, China--(GLOBE NEWSWIRE) –November 14, 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 ...