HARRIS & HARRIS GROUP INC

CUSIP: 413833104 Class: CMN

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

Note: Option positions (PUT/CALL) are excluded.

Q1 2016
Shares 3,900 Value ($000) $6 Avg Close — Range —
Q4 2015
Shares 185 Value ($000) $0 Avg Close — Range —
Q3 2015
Shares 185 Value ($000) $0 Avg Close — Range —