Castle Biosciences(CSTL) - 2025 Q1 - Quarterly Results

Exhibit 99.1 Castle Biosciences Reports First Quarter 2025 Results Q1 2025 revenue increased 21% over Q1 2024 to $88 million ® ® Q1 2025 total test reports for our core revenue drivers (DecisionDx -Melanoma, DecisionDx -SCC, TissueCypher ) increased 33% over Q1 2024 ® Raising full-year 2025 revenue guidance to $287-297 million from $280-295 million Conference call and webcast today at 4:30 p.m. ET FRIENDSWOOD, Texas - May 5, 2025--Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through i ...