Xenon(XENE) - 2024 Q1 - Quarterly Results

Exhibit 99.1 NEWS RELEASE Xenon Pharmaceuticals Reports First Quarter 2024 Financial Results and Provides Corporate Update Phase 3 epilepsy program continues to progress with anticipated completion of patient enrollment in X-TOLE2 in late 2024 to early 2025 Successful “end-of-Phase 2” interactions with FDA in MDD; Phase 3 program on track to initiate in the second half of the year Azetukalner now the international nonproprietary name (INN) and United States adopted name (USAN) for XEN1101 Conference call at ...