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KINSALE CAPITAL GROUP Exhibit 99.1 Kinsale Capital Group , Inc. Reports 2021 Third Quarter Results Richmond , VA , October 28 , 2021 - Kinsale Capital Group , Inc. ( Nasdaq : KNSL ) reported net income of $ 36.6 million , $ 1.59 per diluted share , for the third quarter of 2021 compared to $ 14.9 million , $ 0.65 per diluted share , for the third quarter of 2020. Net income included after - tax catastrophe losses of $ 4.6 million in the third quarter of 2021 and $ 13.2 million in the third quarter of 2020. Net income was $ 104.3 million , $ 4.53 per diluted share , for the first nine months of 2021 compared to $ 50.2 million , $ 2.21 per diluted share , for the first nine months of 2020. After - tax catastrophe losses were $ 6.9 million for the first nine months of 2021 and $ 13.5 million for the first nine months of 2020 . Net operating earnings ( 1 ) were $ 36.7 million , $ 1.59 per diluted share , for the third quarter of 2021 compared to $ 9.6 million , $ 0.42 per diluted share , for the third quarter of 2020. Net operating earnings ( 1 ) were $ 91.7 million , $ 3.98 per diluted share , for the first nine months of 2021 compared to $ 46.0 million , $ 2.02 per diluted share , for the first nine months of 2020 . Highlights for the quarter included : • Net income increased by 146.0 % compared to the third quarter of 2020 Net operating earnings ( 1 ) of $ 36.7 million increased by 281.9 % compared to the third quarter of 2020 36.5 % growth in gross written premiums to $ 197.6 million compared to the third quarter of 2020 15.5 % increase in net investment income to $ 8.1 million compared to the third quarter of 2020 Underwriting income ( 2 ) of $ 38.1 million in the third quarter of 2021 , resulting in a combined ratio of 75.7 % 19.8 % annualized operating return on equity ( 4 ) for the nine months ended September 30 , 2021 " Third quarter premium growth and profitability were both favorable . In particular , our quarterly combined ratio of 75.7 % reflects the margin expansion resulting from several years of robust rate increases as well as our disciplined underwriting and low cost model . Looking ahead , we remain optimistic about overall market conditions as well as our ability to deliver strong returns and expand our market share over the long term , " said President and Chief Executive Officer , Michael P. Kehoe . Results of Operations Underwriting Results Gross written premiums were $ 197.6 million for the third quarter of 2021 compared to $ 144.8 million for the third quarter of 2020 , an increase of 36.5 % . Gross written premiums were $ 560.6 million for the first nine months of 2021 compared to $ 402.9 million for the first nine months of 2020 , an increase of 39.1 % . Growth in gross written premiums during the third quarter and first nine months of 2021 over the same periods last year was driven by higher submission activity from brokers and rate increases on bound accounts . Underwriting income ( 2 ) was $ 38.1 million , resulting in a combined ratio of 75.7 % , for the third quarter of 2021 , compared to $ 2.9 million and a combined ratio of 97.3 % for the same period last year . The increase in underwriting income ( 2 ) quarter over quarter , was due to a combination of factors including premium growth and continued rate increases from a strong underwriting environment , lower catastrophe activity and higher net favorable development of loss reserves from prior accident years . Loss and expense ratios were 55.7 % and 20.0 % , respectively , for the third quarter of 2021 compared to 76.1 % and 21.2 % for the third quarter of 1