UNITED SECURITY BANCSHARES — Director's Dealing 2012

May 3, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNITED SECURITY BANCSHARES (UBFO)
CIK: 0001137547
Period of Report: 2012-04-26

Reporting Person: Mochizuki Robert Michele (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-04-26	COMMON STOCK	P	2059	$2.36	Acquired	104620	Direct
2012-04-27	COMMON STOCK	P	38	$2.35	Acquired	104658	Direct
2012-04-30	COMON STOCK	P	8	$2.35	Acquired	104666	Direct
2012-05-01	COMMON STOCK	P	1526	$2.35	Acquired	106192	Direct
2012-05-02	COMMON STOCK	P	285	$2.35	Acquired	106477	Direct

Footnotes

F1: INCLUDES 18,729 SHARES OWNED BY SON & SPOUSE.