ALASKA AIR GROUP INC

Ticker: ALK CUSIP: 011659109 Class: COM

HARTLINE INVESTMENT CORP/'s Holding History (CIK: 0000945625)

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

Q4 2017

Shares 30,251 Value ($000) $2,224 Avg Close $67.65 Range $58.01 - $78.50

Q3 2017

Shares 32,059 Value ($000) $2,445 Avg Close $77.46 Range $67.57 - $90.57

Q2 2017

Shares 26,460 Value ($000) $2,375 Avg Close $82.77 Range $77.31 - $88.12

Q1 2017

Shares 5,341 Value ($000) $493 Avg Close $89.03 Range $81.01 - $95.59

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	30,251	$2,224	$67.65	$58.01 - $78.50
Q3 2017	32,059	$2,445	$77.46	$67.57 - $90.57
Q2 2017	26,460	$2,375	$82.77	$77.31 - $88.12
Q1 2017	5,341	$493	$89.03	$81.01 - $95.59