Erasca(ERAS) - 2025 Q3 - Quarterly Results

Exhibit 99.1 Erasca Reports Third Quarter 2025 Business Updates and Financial Results U.S. composition of matter patent protection through 2043 for potential best-in-class pan-RAS molecular glue ERAS-0015 Strengthened scientific leadership with promotion of Robert Shoemaker, Ph.D., to chief scientific officer Initial Phase 1 monotherapy data for ERAS-0015 and pan-KRAS inhibitor ERAS-4001 expected in 2026 Robust balance sheet with cash, cash equivalents, and marketable securities of $362 million as of Septem ...