X0306 4 2013-02-21 0 0001498710 Spirit Airlines, Inc. SAVE 0001542076 Lynde James C/O SPIRIT AIRLINES, INC. 2800 EXECUTIVE WAY MIRAMAR FL 33025 0 1 0 0 Senior VP - Human Resources Common Stock 2013-02-21 4 F 0 2907 20.30 D 37093 D The transaction reported represents the withholding of shares by the issuer to satisfy the reporting person's tax obligations in connection with the non-reportable vesting and settlement of restricted stock units. Includes 30,000 Restricted Stock Units. /s/ Thomas Canfield, as Attorney-In-Fact for James Lynde 2013-03-13