FORM OF COMPANY STOCKHOLDER SUPPORT AGREEMENTCompany Stockholder Support Agreement • January 30th, 2024 • AVROBIO, Inc. • Biological products, (no disgnostic substances) • Delaware
Contract Type FiledJanuary 30th, 2024 Company Industry JurisdictionThis Support Agreement (this “Agreement”) is made and entered into as of January 30, 2024, by and among Tectonic Therapeutic, Inc., a Delaware corporation (the “Company”), AVROBIO, Inc., a Delaware corporation (“Aspen”), and the undersigned stockholder (the “Stockholder”) of the Company. Capitalized terms used herein but not otherwise defined shall have the respective meanings ascribed to such terms in the Merger Agreement (as defined below).