X0306 4 2018-02-17 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 2018-02-17 4 F 0 17576 66.52 D 195446 D This transaction represents the withholding of shares to pay tax withholding obligations associated with the vesting of the restricted stock award granted on February 17, 2016. The restricted stock vests in three equal annual installments beginning on February 17, 2017, pursuant to an employment agreement dated December 31, 2015 by and between the Reporting Person and United Continental Holdings, Inc. and United Airlines, Inc. /s/ Sarah Hagy for Oscar Munoz 2018-02-21