FINANCIAL INDUSTRY REGULATORY AUTHORITY LETTER OF ACCEPTANCE, WAIVER, AND CONSENT NO. 2020067484501 TO: Department of Enforcement Financial Industry Regulatory Authority (FINRA) RE: Morgan Stanley & Co. LLC (Respondent) Member Firm CRD No. 8209 Pursuant to FINRA Rule 9216, Respondent Morgan Stanley & Co. LLC 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. 2019061691601 TO: Department of Enforcement Financial Industry Regulatory Authority (FINRA) RE: Robert C. Mehlin, Jr. (Respondent) General Securities Representative CRD No. 736694 Pursuant to FINRA Rule 9216, Respondent Robert C. Mehlin, Jr.

FINANCIAL INDUSTRY REGULATORY AUTHORITY LETTER OF ACCEPTANCE, WAIVER, AND CONSENT NO. 2018059551601 TO: Department of Enforcement Financial Industry Regulatory Authority (FINRA) RE: Network 1 Financial Securities Inc. (Respondent) Member Firm CRD No. 13577 Pursuant to FINRA Rule 9216, Respondent Network 1 Financial Securities Inc. 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. 2020068770301 TO: Department of Enforcement Financial Industry Regulatory Authority (FINRA) RE: Mark L. Guarino, III (Respondent) General Securities Representative CRD No. 1307977 Pursuant to FINRA Rule 9216, Respondent Mark L. Guarino, III submits this Letter of Acceptance, Waiver, and Consent (AWC) for the purpose of proposing a settlement of the alleged rule violations described below.