SEI INVESTMENTS CO — Director's Dealing 2013

May 22, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SEI INVESTMENTS CO (SEIC)
CIK: 0000350894
Period of Report: 2013-05-20

Reporting Person: MCCARTHY KATHRYN (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-20	STOCK OPTION (RIGHT TO BUY)	M	8000	$14.78	Acquired	72440	Direct
2013-05-20	COMMON STOCK	S	8000	$30.47	Disposed	64440	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-20	STOCK OPTION (RIGHT TO BUY)	$14.78	M	8000	Acquired	2013-12-16	COMMON TOCK (8000)	Direct