Exhibit 99.1 Intercorp Financial Services Inc. Fourth Quarter 2023 Earnings Lima, Peru, February 12, 2024. Intercorp Financial Services Inc. (Lima Stock Exchange/NYSE: IFS) announced today its unaudited results for the fourth quarter 2023. These results are reported on a consolidated basis under IFRS in nominal Peruvian soles. Intercorp Financial Services: FY23 revenues up 10% YoY, growth across all businesses • 4Q23 earnings of S/ 286 million, up 47% QoQ • Customer base growth continues across businesses • ...