Alector Investor Relations Material

Alector, Inc., a clinical stage biopharmaceutical company, develops therapies for the treatment of neurodegeneration diseases. The company is developing AL001, an antibody that targets delta-like ligand 4-Notch to address abnormal signaling triggered by microglia in Alzheimer's disease prevention and slowing in patients with mild cognitive impairment and early-stage Alzheimer's disease; AL101, an anti-TREM2 antibody targeting microglia function that is in Phase IIa clinical trial for the treatment of frontotemporal dementia; AL003, an anti-LINGO monoclonal antibody targeting oligodendrocyte precursor cells for myelination; and AL002 and AL004 for preventing or slowing disease progression in Parkinson's disease. The company was founded in 2013 and is headquartered in South San Francisco, California.