Exhibit 99.1 QIAGEN N.V. and Subsidiaries U.S. GAAP Quarterly Report for the Period Ended March 31, 2024 Table of Contents Condensed Consolidated Financial Statements Condensed Consolidated Balance Sheets as of March 31, 2024 (unaudited) and December 31, 2 2023 Condensed Consolidated Statements of Income (unaudited) for the three months ended 4 March 31, 2024 and 2023 Condensed Consolidated Statements of Comprehensive Income (unaudited) for the three months 5 ended March 31, 2024 and 2023 Condensed Consolid ...