X0306 4 2020-03-15 0 0000789460 WORLD FUEL SERVICES CORP INT 0001242793 KASBAR MICHAEL J C/O WORLD FUEL SERVICES CORPORATION 9800 N.W. 41ST STREET MIAMI FL 33178 1 1 0 0 Chairman, CEO and President Common Stock 2020-03-15 4 A 0 44690 0.00 A 786061 D Common Stock 2020-03-15 4 F 0 17586 22.67 D 768475 D Common Stock 2020-03-15 4 F 0 8527 22.67 D 759948 D Common Stock 2020-03-15 4 A 0 80815 0.00 A 840763 D Common Stock 1340 I By Spouse Stock-Settled Stock Appreciation Right 22.67 2020-03-15 4 A 0 140449 0.00 A 2025-03-15 Common Stock 140449 140449 D Represents an award of shares of common stock earned by the reporting person based on the level of performance criteria satisfied under certain performance-based restricted stock units ("PRSUs"). The issuer withheld the reported shares to cover the reporting person's tax liability associated with the shares of common stock received in connection with the vesting of the PRSUs. The price shown is the closing price of the issuer's common stock on the NYSE on March 16, 2020. An aggregate of 21,668 restricted stock units held by the reporting person vested and settled on March 15, 2020. The issuer withheld the reported shares to cover the reporting person's tax liability associated with these restricted stock units. Represents restricted stock units earned by the reporting person based on the level of performance criteria met for fiscal year 2019. These restricted stock units will vest in three equal annual installments beginning on March 15, 2021. These stock-settled stock appreciation rights will vest on March 15, 2023. /s/ Amy A. Quintana, Attorney-in-fact 2020-03-17