Stock Trading History of Mochizuki Robert Michele

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Mochizuki Robert Michele since year 2005. The trader's CIK number is 1309038. At the time of this reporting, Mochizuki Robert Michele is the Director of United Security Bancshares (stock ticker symbol UBFO).

Stock purchases, sales, and option exercises reported by *Mochizuki Robert Michele* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-05-15	UBFO	United Security Bancshares	Purchase	2,000	17.50	35,000
2006-12-14	UBFO	United Security Bancshares	Purchase	2,000	23.90	47,800
2006-08-24	UBFO	United Security Bancshares	Purchase	2,000	21.10	42,200
2006-08-23	UBFO	United Security Bancshares	Purchase	2,000	22.10	44,200
2005-05-27	UBFO	United Security Bancshares	Purchase	1,000	25.05	25,050

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Mochizuki Robert Michele (Director of United Security Bancshares at the time of this reporting) see the Securities and Exchange Commission (SEC) website.