The Company will host an investor webcast on May 9, 2024 at 8:00 am EDT with members of the ProQR Management Team to highlight the data being presented in the ASGCT poster session and will also conduct an analyst Q&A session. To register for the webcast, please use this link: https://edge.media-server.com/mmc/p/ck2wwoj4/. To join via phone, participants may preregister to receive dedicated dial-in details to access the call via the following website: https://register.vevent.com/register/BI7b008cca5fbf47298567c18bebf73af6 It is suggested that participants dial into the conference call 15 minutes prior to the scheduled start time to avoid any delays in attendance. An archived version of the webcast will be available for replay via ProQR’s website for approximately 30 days following the event.