SEI INVESTMENTS CO — Director's Dealing 2013

May 6, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SEI INVESTMENTS CO (SEIC)
CIK: 0000350894
Period of Report: 2013-05-03

Reporting Person: Meyer Stephen (EXECUTIVE VICE PRESIDENT)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-03	STOCK OPTION (RIGHT TO BUY)	M	500	$14.78	Acquired	53724	Direct
2013-05-03	COMMON STOCK	S	500	$28.72	Disposed	53224	Direct
2013-05-06	STOCK OPTION (RIGHT TO BUY)	M	19500	$14.78	Acquired	72724	Direct
2013-05-06	COMMON STOCK	S	19500	$28.75	Disposed	53224	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-03	STOCK OPTION (RIGHT TO BUY)	$14.78	M	500	Acquired	2013-12-16	COMMON STOCK (500)	Direct
2013-05-06	STOCK OPTION (RIGHT TO BUY)	$14.78	M	19500	Acquired	2013-12-16	common stock (19500)	Direct