 Ultragenyx Pharmaceutical, Inc. NASDAQ:RARE Q1 2022 Earnings Conference Call May 5, 2022 5:00 PM ET Company Participants Joshua Higa - Director, IR Corporate Communications Emil Kakkis - President, CEO Director Erik Harris - EVP Chief Commercial Officer Mardi Dier - EVP CFO Camille Bedrosian - Chief Medical Officer EVP Conference Call Participants Huidong Wang - Barclays Bank Yigal Nochomovitz - Citigroup Tazeen Ahmad - Bank of America Merrill Lynch Joel Beatty - Robert W. Baird Co. Maurice Raycroft - Jefferies Joon So Lee - Truist Securities Brendan Smith - Cowen and Company Dae Gon Ha - Stifel, Nicolaus Company Jeff Hung - Morgan Stanley Joori Park - SVB Leerink Laura Chico - Wedbush Securities Operator Good day, and thank you for standing by. 