 NOVATO, Calif., April 27, 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, May 5, 2022 at 5:00pm ET to discuss its financial results and corporate update for the quarter ended March 31, 2022. 