Global Blood Therapeutics, Inc. Provides Revenue Guidance for the Second Quarter of 2021

Global Blood Therapeutics, Inc. is a biopharmaceutical company that discovers, develops and delivers treatments. The Company is focused on Oxbryta (voxelotor), which is the Food and Drug Administration (FDA) approved medicine that inhibits sickle hemoglobin (HbS) polymerization, the root cause of red blood cell sickling in sickle cell disease (SCD). It is also advancing its pipeline program in SCD with inclacumab, a P-selectin inhibitor in Phase III development to address pain crises associated with the disease, and GBT021601 (GBT601), the Company's next-generation HbS polymerization inhibitor. The Company is focused on areas of the United States, Europe, the Gulf Cooperation Council (GCC), region of the Middle East, and Latin America.