ALLEGIANT TRAVEL CO

Ticker: ALGT CUSIP: 01748X102 Class: Common Stock

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q1 2017

Shares 247,331 Value ($000) $39,635 Avg Close $152.95 Range $139.69 - $165.29

Q4 2016

Shares 291,724 Value ($000) $48,543 Avg Close $141.48 Range $118.71 - $157.64

Q3 2016

Shares 219,183 Value ($000) $28,947 Avg Close $122.41 Range $109.31 - $137.26

Q2 2016

Shares 326,617 Value ($000) $49,482 Avg Close $138.25 Range $121.77 - $164.38

Q1 2016

Shares 232,034 Value ($000) $41,316 Avg Close $145.75 Range $120.13 - $163.12

Q4 2015

Shares 214,861 Value ($000) $36,060 Avg Close $170.27 Range $148.64 - $201.93

Q3 2015

Shares 122,694 Value ($000) $26,533 Avg Close $185.08 Range $154.26 - $209.90

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	247,331	$39,635	$152.95	$139.69 - $165.29
Q4 2016	291,724	$48,543	$141.48	$118.71 - $157.64
Q3 2016	219,183	$28,947	$122.41	$109.31 - $137.26
Q2 2016	326,617	$49,482	$138.25	$121.77 - $164.38
Q1 2016	232,034	$41,316	$145.75	$120.13 - $163.12
Q4 2015	214,861	$36,060	$170.27	$148.64 - $201.93
Q3 2015	122,694	$26,533	$185.08	$154.26 - $209.90