UNITED STATES DISTRICT COURT WESTERN DISTRICT OF MISSOURI WESTERN DIVISION

FEDERAL TRADE COMMISSION, CASE NO. 4:14-cv-00815-BCW Plaintiff, Vv.

BF LABS, INC., et al.

Defendants.

CERTIFICATE OF SERVICE FOR FTC’S RESPONSE TO DEFENDANTS’ FIRST SET OF INTERROGATORIES

Undersigned counsel hereby certifies that on May 12, 2014, the FTC’S RESPONSE TO DEFENDANTS’ FIRST SET OF INTERROGATORIES was served upon the parties or their counsel.

Undersigned counsel further certifies that on May 12, 2015, this CERTIFICATE OF SERVICE FOR FTC’S RESPONSE TO DEFENDANTS’ FIRST SET OF INTERROGATORIES was electronically filed with the Clerk of Court using the CM/ECF

system, which will automatically send email notification of such filing to the following attorneys

of record:

Mark A. Olthoff, Esq. James D. Griffin, Esq.

Michael S. Foster, Esq. Lisa M. Bolliger, Esq.

Miriam E. Bailey, Esq. SCHARNHORST AST KENNARD GRIFFIN, POSLINELLI PC P.C.

Counsel for Defendant Nasser Ghoseiri Braden M. Perry, Esq. KENNYHERTZ PERRY, LLC

Counsel for Defendants BF Labs, Inc., Sonny Vleisides, and Darla Drake

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Case 4:14-cv-00815-BCW Document 307 Filed 05/12/15 Page 1 of 2

Respectfully submitted,

JONATHAN E. NUECHTERLEIN General Counsel

Dated: May 12, 2015 /s/ Gregory A. Ashe Helen Wong, DC Bar # 997800

Teresa N. Kosmidis, NY Bar# 4533824 Leah Frazier, DC Bar# 492540 Gregory A. Ashe, VA Bar #39131 Federal Trade Commission

600 Pennsylvania Ave., N.W. Mail Stop CC-10232 Washington, D.C. 20580 202-326-3779 (Wong) 202-326-3216 (Kosmidis) 202-326-2187 (Frazier) 202-326-3719 (Ashe)

Facsimile: 202-326-3768

hwong @ftc.gov

tkosmidis @ftc.gov Ifrazier@ftc.gov

gashe @ftc.gov

TAMMY DICKINSON United States Attorney

Dated: May 12, 2015 /s/ Charles M. Thomas Charles M. Thomas, MO Bar #28522 Assistant United States Attorney Charles Evans Whittaker Courthouse 400 East Ninth Street, Room 5510 Kansas City, MO 64106 Telephone: (816) 426-3130 Facsimile: (816) 426-3165 E-mail: charles.thomas @usdoj.gov

Attorneys for Plaintiff FEDERAL TRADE COMMISSION

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Case 4:14-cv-00815-BCW Document 307 Filed 05/12/15 Page 2 of 2