X0306 4 2015-08-12 0 0000943034 IMAGE SENSING SYSTEMS INC ISNS 0001544509 AB Value Management LLC 84 ELM STREET WESTFIELD NJ 07090 0 0 1 0 Common Stock, $0.1 par value 2015-08-12 4 P 0 5150 4.1704 A 806908 I See Footnote Common Stock, $0.1 par value 2015-08-13 4 P 0 5985 4.2008 A 812893 I See Footnote Represents 2,575 Shares of Common Stock purchased directly by AB Value Partners, LP and 2,575 Shares of Common Stock AB Value Management LLC had caused the Managed Account to directly purchase. The price reported in Column 4 is a weighted average price. Represents 425,934 Shares of Common Stock owned directly by AB Value Partners, LP, 380,974 Shares of Common Stock AB Value Management LLC had caused its Managed Account to directly own. This Form 4 is filed jointly by AB Value Management LLC, AB Value Management LLC's Managed Account, AB Value Partners, LP, and Andrew Berger ("Mr. Berger"). By virtue of their relationships with AB Value Partners, LP, each of AB Value Management LLC and Mr. Berger may be deemed to beneficially own the Shares owned by AB Value Partners, LP and the Managed Account. Represents 2,993 Shares of Common Stock purchased directly by AB Value Partners, LP and 2,992 Shares of Common Stock AB Value Management LLC had caused the Managed Account to directly purchase. The price reported in Column 4 is a weighted average price. Represents 428,927 Shares of Common Stock owned directly by AB Value Partners, LP, 383,966 Shares of Common Stock AB Value Management LLC had caused its Managed Account to directly own. This Form 4 is filed jointly by AB Value Management LLC, AB Value Management LLC's Managed Account, AB Value Partners, LP, and Andrew Berger ("Mr. Berger"). By virtue of their relationships with AB Value Partners, LP, each of AB Value Management LLC and Mr. Berger may be deemed to beneficially own the Shares owned by AB Value Partners, LP and the Managed Account. By: AB Value Partners, LP By: AB Value Management LLC, General Partner By: /s/ Andrew Berger, Manager 2015-08-13 By: AB Value Management LLC, By: /s/ Andrew Berger, Manager 2015-08-13 By: Andrew Berger 2015-08-13