Prime Medicine wins arbitration against Beam; PM647 for AATD confirmed within Prime's field

Prime Medicine, Inc.

• Arbitration tribunal ruled PM647 (AATD candidate) is within Prime's 'Field' under 2019 Collaboration Agreement with Beam.
• Tribunal denied Beam's claims for damages and injunctive relief; Prime did not breach agreement.
• Remaining claims from both parties were denied.
• This removes legal overhang on Prime's AATD program.