WEX Inc. — Director's Dealing 2011

May 23, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Wright Express CORP (WXS)
CIK: 0001309108
Period of Report: 2011-05-20

Reporting Person: SOMMER REGINA O (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-21	Common Stock	M	732	—	Acquired	14016	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-20	Restricted Stock Units	$0	A	1312	Acquired		Common Stock (1312)	Direct
2011-05-21	Restricted Stock Units	$0	M	732	Disposed		Common Stock (732)	Direct

Footnotes

F1: Restricted Stock Units will vest with respect to one third of the shares on each of 5/20/2012, 5/20/2013 and 5/20/2014 subject to the reporting person's continued service to Wright Express Corporation and other conditions.

F2: Restricted Stock Units ("RSUs") vested on 5/21/2011 and each RSU converted into one share of common stock.