X0306 4 2017-02-28 0 0000100517 United Continental Holdings, Inc. UAL 0001237371 MUNOZ OSCAR P. O. BOX 66100 HDQLD CHICAGO IL 60666 1 1 0 0 Chief Executive Officer Common Stock 2017-02-28 4 F 0 10447 74.09 D 207772 D This transaction represents the withholding of shares to pay tax withholding obligations associated with the vesting of the restricted stock award granted on September 22, 2016. This award vests in three equal annual installments on February 28, 2017, February 28, 2018, and February 28, 2019. /s/ Jennifer L. Kraft for Oscar Munoz 2017-03-02