Existing Fleet – *****. Section 11.1 of the Existing Fleet FHA shall be deleted in its entirety and shall be replaced with the following: ***** Except as expressly amended by this Side Letter No. 1, all provisions of the Existing FHA remain in full force and effect. Agreed to and accepted on behalf of:IAE International Aero Engines AG Agreed to and accepted on behalf of:Spirit Airlines, Inc. By: /s/ Xxxx Xxxxxxx By: /s/ Xxxxxx Xxxxxxxx Name: Xxxx Xxxxxxx Name: Xxxxxx Xxxxxxxx Title: SVP Sales Title: SVP & CFO Date: 10/2/13 Date: 10/2/13 *****Confidential portions of the material have been omitted and filed separately with the Securities and Exchange Commission.