Allegiant Reports March 2018 Traffic

Scheduled Service

March 2018

March 2017

Change

Passengers

1,356,305

1,143,571

18.6%

Revenue passenger miles (000)

1,267,098

1,072,847

18.1%

Available seat miles (000)

1,445,135

1,269,107

13.9%

Load factor

87.7%

84.5%

3.2 pts

Departures

9,316

8,269

12.7%

Average stage length (miles)

920

916

0.4%

1^st Quarter 2018

1^st Quarter 2017

Change

Passengers

3,279,368

2,845,480

15.2%

Revenue passenger miles (000)

3,064,619

2,661,934

15.1%

Available seat miles (000)

3,602,015

3,237,164

11.3%

Load factor

85.1%

82.2%

2.9 pts

Departures

23,264

21,248

9.5%

Average stage length (miles)

916

908

0.9%

Total System*

March 2018

March 2017

Change

Passengers

1,366,270

1,154,591

18.3%

Revenue passenger miles (000)

1,280,103

1,087,972

17.7%

Available seat miles (000)

1,490,680

1,315,169

13.3%

Load factor

85.9%

82.7%

3.2 pts

Departures

9,682

8,637

12.1%

Average stage length (miles)

914

910

0.4%

1^st Quarter  2018

1^st Quarter 2017

Change

Passengers

3,302,951

2,881,248

14.6%

Revenue passenger miles (000)

3,094,805

2,708,498

14.3%

Available seat miles (000)

3,728,563

3,376,837

10.4%

Load factor

83.0%

80.2%

2.8 pts

Departures

24,248

22,295

8.8%

Average stage length (miles)

910

903

0.8%

*Total system includes scheduled service and fixed fee contract.

Preliminary Financial Results

$ per gallon

March 2018 estimated average fuel cost per gallon – system

$2.13

$ per gallon

1^st quarter 2018 estimated average fuel cost per gallon – system

$2.18

Allegiant Media Contact:

Investor Inquiries:

Hilarie Grey

Chris Allen

email: mediarelations@allegiantair.com

email: ir@allegiantair.com