EXHIBIT 99.1 AssetMark Reports $116.9B Platform Assets for First Quarter 2024 CONCORD, Calif., May 1, 2024, (GLOBE NEWSWIRE) — AssetMark Financial Holdings, Inc. (NYSE: AMK) today announced financial results for the quarter ended March 31, 2024. First Quarter 2024 Financial and Operational Highlights • Net income for the quarter was $38.0 million, or $0.51 per share. • Adjusted net income for the quarter was $45.2 million, or $0.60 per share, on total revenue of $190.3 million. • Adjusted EBITDA for the qua ...