Exhibit 99.1 Investor & Media Relations: Patricia Figueroa +1 (617) 747-330 0 ir@amg.com pr@amg.com AMG Reports Financial and Operating Results for the First Quarter of 2024 Company reports EPS of $4.14, Economic EPS of$5.37 in first quarter Net Income (controlling interest) of $150 million, Economic Net Income (controlling interest) of$187 million Economic Earnings per share increased 28% year-over-year, reflecting strong business momentum and the positive impact of our capital allocation strategy Issued ...