On July 22, 2020, the Plan Participants filed an Implementation Plan with the Commission pursuant to Section 6.6(c)(i) of the CAT NMS Plan. The Implementation Plan sets forth a timeline for achieving the objective milestones setting forth how and when the Plan Participants will facilitate the achievement of Full Implementation of CAT NMS Plan Requirements, as defined in Section 1.1 of the CAT NMS Plan, including with respect to phased implementation.