13D Filing: Lone Star Value Management and Superior Drilling Products Inc. (SDPI)

Page 10 of 11

Page 10 of 11 – SEC Filing

SIGNATURES

After reasonable inquiry
and to the best of his knowledge and belief, each of the undersigned certifies that the information set forth in this statement
is true, complete and correct.

Dated: June 15, 2017

Lone Star Value Investors, LP
By: Lone Star Value Investors GP, LLC
General Partner
By: /s/ Jeffrey E. Eberwein
Name: Jeffrey E. Eberwein
Title: Manager
Lone Star Value Co-Invest I, LP
By: Lone Star Value Investors GP, LLC
General Partner
By: /s/ Jeffrey E. Eberwein
Name: Jeffrey E. Eberwein
Title: Manager
Lone Star Value Investors GP, LLC
By: /s/ Jeffrey E. Eberwein
Name: Jeffrey E. Eberwein
Title: Manager
Lone Star Value Management, LLC
By: /s/ Jeffrey E. Eberwein
Name: Jeffrey E. Eberwein
Title: Sole Member
/s/ Jeffrey E. Eberwein
Jeffrey E. Eberwein
10

Follow Superior Drilling Products Inc. (NYSEMKT:SDPI)

Page 10 of 11