HOLLYFRONTIER CORP

CUSIP: 436106108 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2018
Shares 38,540 Value ($000) $1,970 Avg Close — Range —
Q3 2018
Shares 25,340 Value ($000) $1,771 Avg Close — Range —
Q2 2018
Shares 24,140 Value ($000) $1,652 Avg Close — Range —
Q1 2018
Shares 85,500 Value ($000) $4,178 Avg Close — Range —
Q4 2017
Shares 58,000 Value ($000) $2,971 Avg Close — Range —
Q3 2017
Shares 58,000 Value ($000) $2,086 Avg Close — Range —
Q3 2015
Shares 77,500 Value ($000) $3,785 Avg Close — Range —
Q3 2014
Shares 23,900 Value ($000) $1,137 Avg Close — Range —
Q2 2014
Shares 23,900 Value ($000) $1,044 Avg Close — Range —
Q1 2014
Shares 23,900 Value ($000) $1,137 Avg Close — Range —
Q4 2013
Shares 23,900 Value ($000) $1,188 Avg Close — Range —
Q3 2013
Shares 23,900 Value ($000) $1,044 Avg Close — Range —
Q2 2013
Shares 26,000 Value ($000) $1,112 Avg Close — Range —