Exhibit 99.1 iRhythm Technologies Announces Fourth Quarter and Full Year 2023 Financial Results SAN FRANCISCO, February 22, 2024 (GLOBE NEWSWIRE) -- iRhythm Technologies, Inc. (NASDAQ: IRTC), a leading digital health care company focused on creating trusted solutions that detect, predict, and prevent disease, today reported financial results for the three months and full year ended December 31, 2023. Fourth Quarter 2023 Financial Highlights • Grew fourth quarter 2023 patient registrations in excess of 22% c ...