FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * KASBAR MICHAEL J   2. Issuer Name and Ticker or Trading Symbol WORLD FUEL SERVICES CORP [INT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President and COO (Last) (First) (Middle) C/O WORLD FUEL SERVICES CORPORATION, 9800 N.W. 41ST STREET, SUITE 400 3. Date of Earliest Transaction (Month/Day/Year) 05/10/2010 (Street) MIAMI, FL 33178 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 05/10/2010   M   16,685 A $ 2.975 1,058,948 D   Common Stock 05/10/2010   F   6,282 (1) D $ 27.75 (2) 1,052,666 D   Common Stock 05/10/2010   M   125,047 A $ 17.415 1,177,713 D   Common Stock 05/10/2010   D   95,450 (3) D $ 27.75 (2) 1,082,263 D   Common Stock 05/10/2010   S(4)   40,000 D $ 27.537 (5) 1,042,263 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option

$ 2.975

05/10/2010

M

16,685

10/11/2003

10/11/2011

Common Stock

16,685

$ 0 (6)

70,785 (7)

D

Stock-Settled Stock Appreciation Right

$ 17.415

05/10/2010

M

125,047

03/21/2009

03/21/2011

Common Stock

125,047

$ 0 (6)

274,953 (8)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
KASBAR MICHAEL J C/O WORLD FUEL SERVICES CORPORATION 9800 N.W. 41ST STREET, SUITE 400 MIAMI, FL 33178	X		President and COO

Signatures

/s/ Michael J. Kasbar		05/12/2010
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The issuer withheld a sufficient amount of option shares in order to pay the exercise price and related taxes for the option exercise reported in Table II of this Form 4.
(2)	The number shown is the closing price for the issuer's common stock on the NYSE on May 10, 2010.
(3)	Includes shares withheld by the issuer to pay the applicable taxes for the SSAR conversion reported in Table II of this Form 4.
(4)	The sales reported in this Form 4 were effected pursuant to a pre-arranged, non-discretionary trading plan adopted by the reporting person on March 15, 2010 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934.
(5)	The price represents the weighted average sale price for multiple transactions reported on this line. The prices of the transactions ranged from $27.40 to $27.84. The reporting person has provided 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 price within the range.
(6)	These awards were granted to the reporting person, without payment therefor, as compensation for serving as an executive officer of the issuer.
(7)	These options were previously reported as covering 23,590 shares at an exercise price of $11.90 per share, but were adjusted to reflect the stock splits on February 1, 2005 and December 7, 2009. 6,904 of these options were exercised on May 7, 2010.
(8)	These SSARs were previously reported as covering 200,000 shares at a conversion price of $34.83 per share, but were adjusted to reflect the stock split on December 7, 2009.

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