Effective April 12, 2017, the Federal Reserve Bank of San Francisco (the “FRB”) terminated the informal supervisory agreement entered into by and between United Security Bancshares, a California corporation, its wholly-owned bank subsidiary, United Security Bank, a California state-chartered bank, and the Federal Reserve Bank of San Francisco, dated November 19, 2014.

The text of the press release related to the termination of the informal supervisory agreement is attached as Exhibit 99.1.

EXHIBIT #

99.1 Press release of United Security Bancshares dated April 13, 2017>>>

About UNITED SECURITY BANCSHARES (NASDAQ:UBFO)

United Security Bancshares is the bank holding company for United Security Bank (the Bank). The Bank is a California state-chartered bank. The Bank operates in the segment of providing banking services to commercial establishments and individuals primarily in the San Joaquin Valley of California. The Bank offers a range of services for commercial customers and account holders, including online banking, mobile banking, safe deposit boxes, automated teller machine (ATM) services, payroll direct deposit, cashier’s checks, traveler’s checks, money orders and foreign drafts. The Bank offers a range of financial services, including wealth management, employee benefit, insurance and loan products, as well as consulting services. It offers a range of deposit instruments, including personal and business checking accounts and savings accounts, interest-bearing negotiable order of withdrawal (NOW) accounts, money market accounts and time certificates of deposit.

UNITED SECURITY BANCSHARES (NASDAQ:UBFO) Recent Trading Information

UNITED SECURITY BANCSHARES (NASDAQ:UBFO) closed its last trading session up +0.05 at 7.10 with 2,712 shares trading hands.