FINANCIAL INDUSTRY REGULATORY AUTHORITY LETTER OF ACCEPTANCE, WAIVER AND CONSENT NO. 2018060577602 TO: Department of Enforcement Financial Industry Regulatory Authority (FINRA) RE: Concorde Investment Services, LLC, Respondent Member Firm CRD No.

FINANCIAL INDUSTRY REGULATORY AUTHORITY LETTER OF ACCEPTANCE, WAIVER AND CONSENT NO. 2017055668501 TO: Department of Enforcement Financial Industry Regulatory Authority (FINRA) RE: BMO Capital Markets Corp., Respondent Member Firm CRD No. 16686 Pursuant to FINRA Rule 9216 of FINRA’s Code of Procedure, Respondent BMO Capital Markets Corp. (“BMO"’ or the “firm”) submits this Letter of Acceptance, Waiver and Consent (“AWC”) for the purpose of proposing a settlement of the alleged rule violations described below.

FINANCIAL INDUSTRY REGULATORY AUTHORITY LETTER OF ACCEPTANCE, WAIVER AND CONSENT NO. 2016049752801 TO: Department of Enforcement Financial Industry Regulatory Authority ("FINRA") RE: Virtu Americas LLC (f/k/a KCG Americas LLC), Respondent Broker-Dealer CRD No. 149823 Pursuant to FINRA Rule 9216 of FINRA's Code of Procedure, Virtu Americas LLC ("Virtu", or the "Firm" or "Respondent") submits this Letter of Acceptance, Waiver and Consent ("AWC") for the purpose of proposing a settlement of the alleged rule violations described below.

FINANCIAL INDUSTRY REGULATORY AUTHORITY LETTER OF ACCEPTANCE, WAIVER AND CONSENT NO.20180596150-01 TO: Department of Enforcement Financial Industry Regulatory Authority ("FINRA") RE: Two Sigma Securities, LLC ("Two Sigma" or the "Firm"), Respondent Member Firm: CRD No. 148960 Pursuant to FINRA Rule 9216 of FINRA's Code of Procedure, Respondent Two Sigma Securities, LLC submits this Letter of Acceptance, Waiver and Consent ("AWC") for the purpose of proposing a settlement of the alleged rule violations described below.