X0306 4 2019-03-15 0 0000789460 WORLD FUEL SERVICES CORP INT 0001396673 Birns Ira M C/O WORLD FUEL SERVICES CORPORATION 9800 N.W. 41ST STREET MIAMI FL 33178 0 1 0 0 Executive VP & CFO Common Stock 2019-03-15 4 F 0 3612 29.68 D 64535 D Common Stock 2019-03-15 4 A 0 23420 29.68 A 87955 D 9,869 restricted stock units held by the reporting person vested and settled on March 15, 2019. The issuer withheld the reported shares to cover the reporting person's tax liability associated with these restricted stock units. The price shown is the closing price of the issuer's common stock on the NYSE on March 15, 2019. Reflects the transfer of 48,909 shares of common stock to the reporting person's ex-spouse pursuant to a domestic relations order. These restricted stock units will vest in three equal annual installments beginning on March 15, 2020. /s/ Amy A. Quintana, Attorney-in-fact 2019-03-19