Exhibit 99.1 Kinsale Capital Group Reports Third Quarter 2024 Results Richmond, VA, October 24, 2024 - Kinsale Capital Group, Inc. (NYSE: KNSL) reported net income of $114.2 million, $4.90 per diluted share, for the third quarter of 2024 compared to $76.1 million, $3.26 per diluted share, for the third quarter of 2023. Net income included after-tax catastrophe losses of $10.8 million in the third quarter of 2024 and $0.9 million in the third quarter of 2023. Net income was $305.7 million, $13.10 per diluted ...