INVESTORS IR Nav Investor Overview Press Releases Events and Presentations Upcoming Events Past Events Presentations Analyst Coverage SEC Filings Stock Information Stock Quote & Chart Historical Price Lookup Investment Calculator Corporate Governance Governance Overview Management Board of Directors Committee Composition Information Request Presentations Presentations November 17, 2020 November 2020 Corporate Presentation 2.2 MB IR Tools Print Print Printed Materials Printed Materials Email Alerts Email Alerts RSS Feeds RSS Feeds Email Page Email Page IR Contact Justine O’Malley Vice President, Investor Relations and Communications Phone: 646-817-2836 Email: Justine.OMalley@protaratx.com