WORLD FUEL SVCS CORP

Ticker: WKC CUSIP: 981475106 Class: Common Stock

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

Note: Option positions (PUT/CALL) are excluded.

Q4 2013
Shares 2,394 Value ($000) $103 Avg Close $39.38 Range $36.37 - $43.39
Q3 2013
Shares 2,684 Value ($000) $100 Avg Close $38.51 Range $34.57 - $42.77
Q2 2013
Shares 2,772 Value ($000) $111 Avg Close $39.79 Range $36.98 - $42.20
Q1 2013
Shares 4,362 Value ($000) $173 Avg Close $41.06 Range $37.50 - $45.20
Q4 2011
Shares 3,000 Value ($000) $126 Avg Close — Range —
Q3 2011
Shares 3,000 Value ($000) $98 Avg Close — Range —