X0306 4 2018-05-10 0 0000789460 WORLD FUEL SERVICES CORP INT 0001663999 RAU JOHN PETER C/O WORLD FUEL SERVICES CORPORATION 9800 N.W. 41ST STREET MIAMI FL 33178 0 1 0 0 EVP, Global Aviation & Marine Common Stock 2018-05-10 4 A 0 1214 0.00 A 62114 D Common Stock 2018-05-10 4 F 0 1525 22.81 D 60589 D An aggregate of 5,042 shares of restricted stock and 1,214 restricted stock units held by the reporting person vested and settled on May 10, 2018. The issuer withheld the reported shares to cover the reporting person's tax liability associated with these shares of restricted stock and restricted stock units. The price shown is the closing price for the issuer's common stock on the NYSE on May 10, 2018. /s/ Amy A. Quintana, Attorney-in-fact 2018-05-14