CLOUD PEAK ENERGY INC

CUSIP: 18911Q102 Class: COM

WATER ISLAND CAPITAL LLC's Holding History (CIK: 0001222765)

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

Q1 2016
Shares 66,372 Value ($000) $129 Avg Close — Range —
Q4 2015
Shares 432,259 Value ($000) $899 Avg Close — Range —
Q3 2015
Shares 298,602 Value ($000) $785 Avg Close — Range —
Q2 2015
Shares 272,433 Value ($000) $1,269,538 Avg Close — Range —
Q1 2015
Shares 399,665 Value ($000) $2,326,050 Avg Close — Range —