IN THE UNITED STATES DISTRICT COURT FOR THE WESTERN DISTRICT OF MISSOURI

FEDERAL TRADE COMMISSION )

Plaintiff, v. Case No. 4:14-CV-00815-W-BCW BF LABS INC., et al.,

Defendants.

ENTRY OF APPEARANCE

COMES NOW Mark A. Olthoff of the law firm of Polsinelli PC and enters his appearance on behalf of Defendants BF Labs Inc., Sonny Vleisides, and Darla Drake. Respectfully submitted,

/s/ Mark A. Olthoff

Mark A. Olthoff MO # 38572 Michael S. Foster MO # 61205 Miriam E. Bailey MO # 60366 Polsinelli PC

900 W. 48th Place, Suite 900 Kansas City, Missouri 64112-1895 Telephone: (816) 753-1000 Facsimile: (816) 753-1536 molthoff@polsinelli.com mfoster@polsinelli.com

mbailey @ polsinelli.com

Braden M. Perry MO # 53865 KENNYHERTZ PERRY, LLC

420 Nichols Road, Suite 207

Kansas City, MO 64112

Direct: 816-527-9445

Fax: 855-844-2914

braden @kennyhertzperry.com

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

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CERTIFICATE OF SERVICE

The undersigned hereby certifies that on April 6, 2015, a true and correct copy of the foregoing was filed electronically with the United States District Court for the Western District of Missouri using the CM/ECF system, which sent notification to all parties of interest participating in the CM/ECF system.

/s/ Mark A. Olthoff Attorney for Defendant BF Labs Inc., Sonny Vleisides, and Darla Drake

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Case 4:14-cv-00815-BCW Document 287 Filed 04/06/15 Page 2 of 2