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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Case 4:14-cv-00815-BCW Document 287 Filed 04/06/15 Page 1 of 2

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

2

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