WEX Inc. — Director's Dealing 2012

May 22, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Wright Express CORP (WXS)
CIK: 0001309108
Period of Report: 2012-05-19

Reporting Person: Smith Melissa D (President, The Americas)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-19	Common Stock	M	1227	—	Acquired	25601	Direct
2012-05-19	Common Stock	F	436	$53.63	Disposed	25165	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-19	Common Stock	$0	M	1227	Disposed		Common Stock (1227)	Direct

Footnotes

F1: Restricted Stock Units ("RSUs") vested on 5/19/2012 and each RSU converted into one share of common stock.

F2: Represents tax withholding in connection with the vesting of RSUs on 5/19/12.