SEI INVESTMENTS CO — Director's Dealing 2013

Aug 1, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SEI INVESTMENTS CO (SEIC)
CIK: 0000350894
Period of Report: 2013-07-24

Reporting Person: WITHROW WAYNE (EXECUTIVE VICE PRESIDENT)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-07-24	STOCK OPTION (RIGHT TO PURCHASE)	M	10892	$14.78	Acquired	56086	Direct
2013-07-24	COMMON STOCK	S	10892	$13.87	Disposed	45194	Direct
2013-07-25	STOCK OPTION (RIGHT TO PURCHASE)	M	10308	$14.78	Acquired	55502	Direct
2013-07-25	COMMON STOCK	S	10308	$31.73	Disposed	45194	Direct
2013-07-26	STOCK OPTION (RIGHT TO PURCHASE)	M	8800	$14.78	Acquired	53994	Direct
2013-07-26	COMMON STOCK	S	8800	$31.61	Disposed	45194	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-07-24	STOCK OPTION (RIGHT TO PURCHASE)	$14.78	M	10892	Acquired	2013-12-16	COMMON STOCK (19108)	Direct
2013-07-25	STOCK OPTION (RIGHT TO PURCHASE0	$14.78	M	10308	Acquired	2013-12-16	COMMON STOCK (10308)	Direct
2013-07-26	STOCK OPTION (RIGHT TO PURCHASE0	$14.78	M	8800	Acquired	2013-12-16	common stock (8800)	Direct