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: 2012-05-18

Reporting Person: SOMMER REGINA O (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-20	Common Stock	M	437	—	Acquired	13477	Direct
2012-05-21	Common Stock	M	732	—	Acquired	14209	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-18	Restricted Stock Units	$0	M	1678	Acquired		Common Stock (1678)	Direct
2012-05-20	Restricted Stock Units	$0	M	437	Disposed		Common Stock (437)	Direct
2012-05-21	Restricted Stock Units	$0	M	732	Disposed		Common Stock (732)	Direct

Footnotes

F1: Restricted Stock Units will vest in total on 5/18/2013.

F2: Restricted Stock Units ("RSUs") vested on 5/20/2012 and each RSU converted into one share of common stock.

F3: Restricted Stock Units ("RSUs") vested on 5/21/2012 and each RSU converted into one share of common stock.