HOLLYFRONTIER CORP

CUSIP: 436106108 Class: COM

ROBERTS GLORE & CO INC /IL/'s Holding History (CIK: 0001017115)

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

Q1 2016
Shares 7,650 Value ($000) $270 Avg Close — Range —
Q4 2015
Shares 7,650 Value ($000) $305 Avg Close — Range —
Q3 2015
Shares 7,650 Value ($000) $374 Avg Close — Range —
Q2 2015
Shares 7,650 Value ($000) $327 Avg Close — Range —