Exhibit 99.1 Verisk Reports Fourth-Quarter 2023 and Full-Year 2023 Financial Results • Consolidated revenues were $677.2 million, up 7.4% and up 6.0% on an organic constant currency (OCC) basis for the fourth quarter of 2023. Prior year results included storm-related revenue associated with Hurricane Ian, which negatively impacted OCC growth by 90 basis points. For the full year 2023, consolidated revenues were $2,681.4 million, up 7.4% and up 8.7% on an OCC basis. • Income from continuing operations was $1 ...