Lone Star Value Investors GP LLC

• 10% owner at RELIABILITY INC · on record since Jan 17, 2014
• 10% owner at SPATIALIZER AUDIO LABORATORIES INC · on record since Jan 17, 2014
• 10% owner at CROSSROADS SYSTEMS INC · on record since Apr 4, 2014
• 10% owner at AETRIUM INC · on record since Oct 9, 2014
• 10% owner at Superior Drilling Products, Inc. · on record since Dec 28, 2015
• See Footnote 1 at Superior Drilling Products, Inc. · on record since Mar 30, 2016
• See Footnote 1 at MCT HOLDING CORP · on record since Jan 25, 2016
• See Footnote 1 at CROSSROADS SYSTEMS INC · on record since Sep 18, 2017
• See Footnote 1 at AETRIUM INC · on record since May 1, 2018