X0306 4 2019-08-26 0 0000789460 WORLD FUEL SERVICES CORP INT 0001224986 KASSAR RICHARD A C/O WORLD FUEL SERVICES CORPORATION 9800 N.W. 41ST STREET MIAMI FL 33178 1 0 0 0 Common Stock 2019-08-26 4 S 0 5000 37.92 D 53697 D The price represents the weighted average sale price for multiple transactions reported on this line. The prices of the transactions ranged from $37.87 to $37.93, inclusive. The Reporting Person undertakes to provide the issuer and will provide any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each separate price within the specified range. Since the date of the Reporting Person's last report, 4,000 shares previously held indirectly by the Reporting Person through the Richard Kassar Defined Benefit Plan are now held directly by the Reporting Person in an individual retirement account. /s/ Amy A. Quintana, Attorney-in-fact 2019-08-28