Leiden, the Netherlands, September 25, 2026: Pharming (Euronext Amsterdam: PHARM/Nasdaq: PHAR), a global biotechnology company focused on rare immune and genetic diseases, today announced that the U.S. Food and Drug Administration (FDA) has accepted its supplemental New Drug Application (sNDA) seeking approval for lower doses of Joenja® (leniolisib), an oral, selective phosphoinositide 3-kinase delta (PI3Kδ) inhibitor, for children aged 4 years and older who weigh between 13 kg and 27 kg with activated phosphoinositide 3-kinase delta syndrome (APDS), a rare primary immunodeficiency. The application has been granted Priority Review and assigned a Prescription Drug User Fee Act (PDUFA) target action date of January 30, 2027.