HOLLYFRONTIER CORP

CUSIP: 436106108 Class: COM

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q4 2016
Shares 28,500 Value ($000) $934,000 Avg Close — Range —
Q4 2014
Shares 11,049 Value ($000) $414,000 Avg Close — Range —