BELLUS Health Reports First Quarter 2021 Financial Results and Business Highlights Phase 2b SOOTHE and Phase 2a BLUEPRINT clinical trials on track, with topline results expected Q4 2021 – – Ended quarter with US$81.9 million in cash, cash equivalents and short-term investments; current cash position expected to be sufficient to fund operating plan until end of 2022 – BELLUS Health Inc. a clinical-stage biopharmaceutical company developing novel therapeutics for the treatment of refractory chronic … – Phase 2b SOOTHE and Phase 2a BLUEPRINT clinical trials on track, with topline results expected Q4 2021 – – Ended quarter with US$81.9 million in cash, cash equivalents and short-term investments; current cash position expected to be sufficient to fund operating plan until end of 2022 –