 NOVATO, Calif., Feb. 03, 2022 GLOBE NEWSWIRE -- Ultragenyx Pharmaceutical Inc. NASDAQ: RARE, a biopharmaceutical company focused on the development and commercialization of novel products for serious rare and ultra-rare genetic diseases, today announced that it will host a conference call on Thursday, February 10, 2022, at 5:00 pm ET to discuss its financial results and corporate update for the fourth quarter and the year ended December 31, 2021. 