CLIFFS NAT RES INC

CUSIP: 18683K101 Class: COMMON STOCK

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

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

Q2 2017
Shares 100,721 Value ($000) $696 Avg Close — Range —
Q1 2017
Shares 130,500 Value ($000) $1,071 Avg Close — Range —
Q4 2016
Shares 4,996 Value ($000) $42 Avg Close — Range —
Q3 2016
Shares 18,989 Value ($000) $111 Avg Close — Range —
Q3 2015
Shares 3,451 Value ($000) $8 Avg Close — Range —
Q2 2015
Shares 14,222 Value ($000) $61 Avg Close — Range —
Q1 2015
Shares 13,944 Value ($000) $67 Avg Close — Range —