HOLLYFRONTIER CORP

CUSIP: 436106108 Class: COM

New England Research & Management, Inc.'s Holding History (CIK: 0001596077)

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

Q3 2015
Shares 4,450 Value ($000) $217 Avg Close — Range —
Q2 2015
Shares 14,303 Value ($000) $611 Avg Close — Range —
Q1 2015
Shares 23,465 Value ($000) $945 Avg Close — Range —
Q4 2014
Shares 26,015 Value ($000) $975 Avg Close — Range —
Q3 2014
Shares 31,665 Value ($000) $1,383 Avg Close — Range —
Q2 2014
Shares 30,465 Value ($000) $1,331 Avg Close — Range —
Q1 2014
Shares 22,175 Value ($000) $1,055 Avg Close — Range —
Q4 2013
Shares 23,075 Value ($000) $1,147 Avg Close — Range —