Spirit Airlines, Inc. Shares Common Stock ($0.0001 par value) Form of Underwriting AgreementSpirit Airlines, Inc. • January 17th, 2012 • Air transportation, scheduled • New York
Company FiledJanuary 17th, 2012 Industry JurisdictionThe persons named in Schedule I hereto (the “Selling Stockholders”), owning shares of common stock, par value $0.0001 per share (the “Common Stock”) of Spirit Airlines, Inc., a corporation incorporated under the laws of Delaware (the “Company”), propose to sell to the several underwriters named in Schedule II hereto (the “Underwriters”), for whom you (the “Representatives”) are acting as representatives, shares of Common Stock of the Company (said shares to be sold by the Selling Stockholders being hereinafter called the “Underwritten Securities”). The Selling Stockholders also propose to grant to the Underwriters an option to purchase up to shares of Common Stock to cover over-allotments, if any, in the amounts and in the manner described in Schedule I (the “Option Securities”; the Option Securities, together with the Underwritten Securities, being hereinafter called the “Securities”). To the extent there are no additional Underwriters listed on Schedule II other than you, the term Re