HOLLYFRONTIER CORP

CUSIP: 436106108 Class: COM

HighVista Strategies LLC's Holding History (CIK: 0001335325)

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

Q1 2018
Shares 9,800 Value ($000) $479 Avg Close — Range —
Q4 2017
Shares 12,800 Value ($000) $656 Avg Close — Range —
Q3 2017
Shares 14,700 Value ($000) $529 Avg Close — Range —
Q2 2016
Shares 12,800 Value ($000) $304 Avg Close — Range —