EXHIBIT 99.1 AssetMark Reports 116.9BPlatformAssetsforFirstQuarter2024CONCORD,Calif.,May1,2024,(GLOBENEWSWIRE)—AssetMarkFinancialHoldings,Inc.(NYSE:AMK)todayannouncedfinancialresultsforthequarterendedMarch31,2024.FirstQuarter2024FinancialandOperationalHighlights•Netincomeforthequarterwas38.0 million, or 0.51pershare.•Adjustednetincomeforthequarterwas45.2 million, or 0.60pershare,ontotalrevenueof190.3 million. • Adjusted EBITDA for the qua ...