CLOUD PEAK ENERGY INC

CUSIP: 18911Q102 Class: COM

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2017
Shares 11,424 Value ($000) $51 Avg Close — Range —
Q4 2016
Shares 7,413 Value ($000) $42 Avg Close — Range —
Q1 2015
Shares 3,246 Value ($000) $19 Avg Close — Range —
Q4 2014
Shares 1,934 Value ($000) $18 Avg Close — Range —