CLOUD PEAK ENERGY INC

CUSIP: 18911Q10 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2015
Shares 69,802 Value ($000) $145 Avg Close — Range —
Q3 2015
Shares 32,600 Value ($000) $152 Avg Close — Range —
Q2 2015
Shares 32,600 Value ($000) $152 Avg Close — Range —
Q4 2014
Shares 38,230 Value ($000) $351 Avg Close — Range —
Q3 2014
Shares 270,613 Value ($000) $3,415 Avg Close — Range —
Q2 2014
Shares 24,781 Value ($000) $456 Avg Close — Range —
Q3 2013
Shares 76,837 Value ($000) $1,127 Avg Close — Range —