SEI INVESTMENTS CO — Director's Dealing 2012

May 30, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SEI INVESTMENTS CO (SEIC)
CIK: 0000350894
Period of Report: 2012-05-25

Reporting Person: WEST ALFRED P JR (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-27	Common Stock	S	75000	$18.12	Disposed	14126916	Direct
2012-05-29	Common Stock	S	85000	$18.38	Disposed	14041916	Direct
2012-05-29	Common Stock	G	19053	—	Disposed	14022863	Direct

Footnotes

F1: These shares were gifted.