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 Ra ...