EXHIBIT 99.1 Investor Contact: Nathan Harrill Exact Sciences Corp. investorrelations@exactsciences.com 608-535-8659 Media Contact: Morry Smulevitz Exact Sciences Corp. msmulevitz@exactsciences.com 608-345-8010 For Immediate Release Exact Sciences Announces First-Quarter 2024 Results First quarter highlights • Delivered total first quarter revenue of $638 million, an increase of 6% on a reported and core revenue basis, including Screening revenue of $475 million and Precision Oncology revenue of $163 million ...