Allegiant Travel Company Watch

from 10-K 5 pages Boeing Proprietary

from 10-K 4 pages Attachment A

from 10-K 3 pages [***] Certain Information in This Document Has Been Excluded Pursuant to Regulation S-K, Item 601(b)(10). Such Excluded Information Is Not Material and Would Likely Cause Competitive Harm to the Registrant if Publicly Disclosed. the Boeing Company P.O. Box 3707 Seattle, Wa 98124 2207 Wje-Pa-05130-La-2104982r2 Reference: Purchase Agreement No. Pa-05130 (Purchase Agreement) Between the Boeing Company (Boeing) and Allegiant Air, LLC (Customer) Relating to Model 737-7 Aircraft (737-7 Aircraft) This Letter Agreement (Letter Agreement) Amends and Supplements the Purchase Agreement. All Terms Used but Not Defined in This Letter Agreement Will Have the Same Meaning as in the Purchase Agreement. 1. Definition of Terms. [***] 2. [***] 2.1 [***] 2.2 [***] 3. [***] 3.1 [***] 3.2 [***] 4. [***] 4.1 [***] [***] (I) [***] (II) [***]

from 10-K 8 pages [***] Certain Information in This Document Has Been Excluded Pursuant to Regulation S-K, Item 601(b)(10). Such Excluded Information Is Not Material and Would Likely Cause Competitive Harm to the Registrant if Publicly Disclosed. the Boeing Company P.O. Box 3707 Seattle, Wa 98124 2207 Wje-Pa-05130-La-2103930r2 Reference: Purchase Agreement No. Pa-05130 (Purchase Agreement) Between the Boeing Company (Boeing) and Allegiant Air, LLC (Customer) Relating to Model 737-8-200 Aircraft and Model 737-7 Aircraft (Each or Collectively, Aircraft) This Letter Agreement (Letter Agreement) Amends and Supplements the Purchase Agreement. All Terms Used but Not Defined in This Letter Agreement Will Have the Same Meaning as in the Purchase Agreement. 1.definitions. [***] [***] [***] [***] [***] [***] [***] [***] [***] [***]

from 10-K 4 pages Attachment a to Letter Agreement No. Wje-Pa-05130-La-2103908r2 [***] [***] [***] [***] [***] [***] [***] [***] Delivery Number of [***] [***] [***] [***] [***] [***] [***] Date Aircraft [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] Wje-Pa-05130_sa-3 121450-1f, 123588.txt Boeing Proprietary Page 2

from 10-K 4 pages Boeing Proprietary

from 10-K 4 pages [***] Certain Information in This Document Has Been Excluded Pursuant to Regulation S-K, Item 601(b)(10). Such Excluded Information Is Not Material and Would Likely Cause Competitive Harm to the Registrant if Publicly Disclosed. the Boeing Company P.O. Box 3707 Seattle, Wa 98124 2207 Wje-Pa-05130-La-2101488r2 This Letter Agreement (Letter Agreement) Amends and Supplements the Purchase Agreement. All Terms Used but Not Defined in This Letter Agreement Will Have the Same Meaning as in the Purchase Agreement. 1.[***] 1.1[***] [***] [***] [***] [***] 1.2[***] [***] [***] [***] [***] 1.3[***] [***] [***] [***] [***] 1.4[***] [***] [***] [***] [***]

from 10-K 3 pages [***] Certain Information in This Document Has Been Excluded Pursuant to Regulation S-K, Item 601(b)(10). Such Excluded Information Is Not Material and Would Likely Cause Competitive Harm to the Registrant if Publicly Disclosed. the Boeing Company P.O. Box 3707 Seattle, Wa 98124 2207 Wje-Pa-05130-La-2101482r2 This Letter Agreement (Letter Agreement) Amends and Supplements the Purchase Agreement. All Terms Used but Not Defined in This Letter Agreement Will Have the Same Meaning as in the Purchase Agreement. 1.definition of Terms. [***] 2.[***] 3.[***] [***] [***] 4.[***] [***] 4.1[***] 4.2[***] 5.[***] [***] 5.1[***] 5.2[***] 5.3[***] 6.[***] 6.1[***] 6.2[***] 6.3[***] 6.4[***]. 6.5[***] 7.[***] [***] (I)[***] (II)[***] (III)[***] 8.[***]. [***] 9.[***] [***]. 10.confidentiality

from 10-K 3 pages Boeing Proprietary

from 10-K 5 pages Attachment a to Letter Agreement No. Wje-Pa-05130-La-2101477r2 [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] Total: [***] [***] [***] [***] Wje-Pa-05130 SA-3 121452-1F.TXT Boeing Proprietary Page 2

from 10-K 3 pages Boeing Proprietary

from 10-K 3 pages Table 1b-R3 to Purchase Agreement No. Pa-05130 [***] [***] [***] [***] [***] [***] [***] [***] Delivery [***] Number of [***] [***] [***] [***] [***] [***] Date* [***] Aircraft [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] Total: [***] [***] [***] Wje-Pa-05130 SA-3 121449-1F.TXT Boeing Proprietary Page 2

from 10-K 4 pages Table 1a-R3 to Purchase Agreement No. Pa-05130 [***] [***] [***] [***] Delivery Number of [***] [***] [***] [***] Date* Aircraft [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] [***] Wje-Pa-05130 SA-3 121451-1F.TXT Boeing Proprietary Page 2

from 10-K 3 pages Boeing Proprietary

from 10-K 3 pages Supplemental Agreement No. 3 to Purchase Agreement No. 05130 Between the Boeing Company and Allegiant Air, LLC

from 10-K 14 pages Indemnification Agreement

from 10-Q 11 pages Of All Claims

from 10-Q 19 pages Second Amended and Restated Employment Agreement

from 10-Q 19 pages Second Amended and Restated Employment Agreement

from 10-Q 19 pages Employment Agreement