IPG(IPG) - 2024 Q1 - Quarterly Results

Exhibit 99.1 FOR IMMEDIATE RELEASE New York, NY (April 24, 2024) Interpublic Announces First Quarter 2024 Results FIRST QUARTER • Total revenue, including billable expenses, was $2.50 billion • Revenue before billable expenses (“net revenue”) was $2.18 billion, an increase of 0.3% from a year ago, with organic increase of 1.3% • Net income was $110.4 million as reported • Adjusted EBITA before restructuring charges was $205.5 million with 9.4% margin on net revenue, in seasonally small first quarter • Dilut ...