EXHIBIT 99.1 AssetMark Reports $119.4B Platform Assets for Second Quarter 2024 CONCORD, Calif., July 18, 2024, (GLOBE NEWSWIRE) — AssetMark Financial Holdings, Inc. (NYSE: AMK) today announced financial results for the quarter ended June 30, 2024. Second Quarter 2024 Financial and Operational Highlights • Net income for the quarter was $32.3 million, or $0.43 per share. • Adjusted net income for the quarter was $49.8 million, or $0.66 per share, on total revenue of $198.5 million. • Adjusted EBITDA for the ...