Participant Assessments of the LULD Plan –

Pursuant to Appendix B, Section III of the Plan, the Participants are required to provide to the Commission assessment of the impact of the Plan and calibration of the percentage parameters or each of the tiers of NMS stocks covered by the Plan. The LULD Operating Committee submitted the initial Participant Impact Assessment in September 29, 2014. The Supplemental Joint Assessment, dated May 28, 2015, was prepared on behalf of the Operating Committee by Professor James Angel of Georgetown University.

Supplemental Joint Assessment, dated May 28, 2015.

Participants Impact Assessment, dated September 29, 2014.