Insignia Systems Inc.

Funicular Fund LP, beneficial owner

Shares purchased: 94,111Price:

Date: Jan. 10–17$0.77–$0.79

Indirectly holds: 1,283,923

UnitedHealth Group Inc.

Richard Burke Sr., director

Shares purchased: 15,000Price: $299.45

Date: Jan. 16Indirectly holds: 1,676,098