CLOUD PEAK ENERGY INC

CUSIP: 18911Q102 Class: COM

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q4 2015
Shares 32,670 Value ($000) $68 Avg Close — Range —
Q3 2015
Shares 117,896 Value ($000) $310 Avg Close — Range —
Q2 2015
Shares 117,896 Value ($000) $549 Avg Close — Range —
Q1 2015
Shares 117,896 Value ($000) $686 Avg Close — Range —
Q4 2014
Shares 117,896 Value ($000) $1,082 Avg Close — Range —
Q3 2014
Shares 103,321 Value ($000) $1,304 Avg Close — Range —