CLOUD PEAK ENERGY INC

CUSIP: 18911Q102 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2018
Shares 3,257 Value ($000) $1 Avg Close — Range —
Q3 2018
Shares 21,092 Value ($000) $49 Avg Close — Range —
Q2 2018
Shares 40,729 Value ($000) $142 Avg Close — Range —
Q1 2018
Shares 39,696 Value ($000) $116 Avg Close — Range —
Q4 2017
Shares 34,261 Value ($000) $152 Avg Close — Range —
Q3 2017
Shares 34,822 Value ($000) $127 Avg Close — Range —
Q2 2017
Shares 7,645 Value ($000) $27 Avg Close — Range —
Q1 2017
Shares 8,745 Value ($000) $40 Avg Close — Range —
Q2 2016
Shares 2,877 Value ($000) $6 Avg Close — Range —
Q1 2016
Shares 3,208 Value ($000) $6 Avg Close — Range —
Q3 2015
Shares 21,191 Value ($000) $56 Avg Close — Range —
Q3 2014
Shares 3,847 Value ($000) $49 Avg Close — Range —
Q1 2014
Shares 1,848 Value ($000) $39 Avg Close — Range —
Q4 2013
Shares 10,255 Value ($000) $185 Avg Close — Range —
Q2 2013
Shares 6,723 Value ($000) $111 Avg Close — Range —