Upstream Bio Investor Relations Material

Upstream Bio Inc. is a U.S.-based biotechnology company focused on developing innovative therapies for inflammatory and allergic diseases. The company’s research is centered on targeting key biological pathways involved in immune response, with the goal of creating treatments that address unmet medical needs in conditions such as asthma and other chronic inflammatory disorders. Upstream Bio’s pipeline includes investigational drugs aimed at modulating immune mechanisms to improve patient outcomes and quality of life. Upstream Bio Inc. is headquartered in Waltham, Massachusetts.