CLOUD PEAK ENERGY INC

CUSIP: 18911Q102 Class: COM

ROBERTS GLORE & CO INC /IL/'s Holding History (CIK: 0001017115)

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

Q2 2015
Shares 10,700 Value ($000) $50 Avg Close — Range —
Q1 2015
Shares 14,850 Value ($000) $86 Avg Close — Range —
Q4 2014
Shares 12,300 Value ($000) $113 Avg Close — Range —
Q3 2014
Shares 16,000 Value ($000) $202 Avg Close — Range —
Q2 2014
Shares 16,600 Value ($000) $306 Avg Close — Range —
Q1 2014
Shares 18,350 Value ($000) $388 Avg Close — Range —
Q4 2013
Shares 17,050 Value ($000) $307 Avg Close — Range —
Q3 2013
Shares 17,500 Value ($000) $257 Avg Close — Range —
Q2 2013
Shares 19,200 Value ($000) $316 Avg Close — Range —