Tarcocimab and KSI-501 bring the best of both worlds – with a science of high immediacy and high durability at the same time in a single biologic Molecula r Size (kDa ) 149 kDa 210 kDa 950 kDa 1000 kDa 149 kDa Immediacy is achieved with lower molecular weight intravitreal biologics Durability increases as molecular weight increases for intravitreal biologics 23