CLIFFS NAT RES INC

CUSIP: 18683K101 Class: COMMON STOCK

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q1 2017
Shares 40,172 Value ($000) $330 Avg Close — Range —
Q4 2016
Shares 32,460 Value ($000) $273 Avg Close — Range —
Q3 2016
Shares 1,855,177 Value ($000) $10,853 Avg Close — Range —
Q4 2015
Shares 117,925 Value ($000) $186 Avg Close — Range —
Q4 2014
Shares 299,446 Value ($000) $2,138 Avg Close — Range —
Q4 2013
Shares 712,803 Value ($000) $18,683 Avg Close — Range —