UNITED STATES SEC USE ONLY Washington, D.C. 20549 RULE 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933 -------------------------------------------------------------------------------- 1(a) NAME OF ISSUER (Please type or print) (b) IRS IDENT. NO. (c) SEC FILE NO. United Security Bancshares 91-2112732 000-32987 -------------------------------------------------------------------------------- 1(d) ADDRESS OF ISSUER STREET CITY STATE ZIP CODE (e)TELEPHONE NO. 1525 E. Shaw Avenue (559) 248-4944 Fresno, CA 93710 -------------------------------------------------------------------------------- 2(a) NAME OF PERSON FOR WHOSE (b) SOCIAL SECURITY (c) RELATIONSHIP ACCOUNT THE SECURITIES NO. OR IRS IDENT. TO ISSUER ARE TO BE SOLD NO. Terzian, John Director -------------------------------------------------------------------------------- (d) ADDRESS STREET CITY ZIP CODE 341 W. River Court Fresno, CA, 93711 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- INSTRUCTION: The person filing this notice should contact the issuer to obtain the I.R.S. Identification Number and the SEC File Number. -------------------------------------------------------------------------------- SEC USE 3(a) (b) ONLY (c) (d) (e) (f) (g) ------------ --------------------- ------- --------- --------- ---------------- ---------------- ----------------- Title of the Name and Address of Broker- Number of Aggregate Number of Shares Approximate Name of Each Class of Each Broker Through Dealer Shares or Market or Other Units Date of Sale Securities Securities Whome the Securities File Other Units Value Outstanding (See instr. 3(f)) Exchange to be Sold are to be Offered Number to be Sold (See instr. (See instr. 3(e)) (MO. DAY YR.) (See instr. 3(g)) or Each Market (See instr. 3(d)) Maker who is 3(c)) Aquiring the Securities ------------------------------------------------------------------------------------------------------------------------------------ common Seidler and Company 4000 168000 5687517 04/12/06 NASD 42605 Moonridge Road Big Bear Lake, CA 92315-1688 ------------------------------------------------------------------------------------------------------------------------------------ TABLE I - SECURITIES TO BE SOLD Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor: Name of Person from Whom Acquired Title of Date You Nature of (If gift, also give date Amount of Date of the Class Acquired Acquisition Transaction donor acquired) Securities Acquired Payment Nature of Payment ------------------------------------------------------------------------------------------------------------------------------------ common 10/01/99 stock split issuer 800 10/01/99 not applicable ------------------------------------------------------------------------------------------------------------------------------------ common 07/16/99 Market Purchase Broker 200 07/16/99 cash ------------------------------------------------------------------------------------------------------------------------------------ common 10/01/99 stock split issuer 13556 10/01/99 Not applicable ------------------------------------------------------------------------------------------------------------------------------------ TABLE II - SECURITIES SOLD DURING THE PAST 3 MONTHS Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold. Amount of Gross Name and Address of Seller Title of Securities Sold Date of Sale Securities Proceeds ------------------------------------------------------------------------------------------------------- Terzian, John 0 0 341 W. River Court Fresno, CA, 93711 ------------------------------------------------------------------------------------------------------- REMARKS: INSTRUCTIONS: See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice. ATTENTION: The person for whose account the securities to which this notice relates are to sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which have not been publicly disclosed. United Security Bancshares Date: 04/12/2006 /s/ John Terzian Name: John Terzian Title: Director The notice shall be signed by the person for whose account the securities are to be sold. At least one copy of the notice shall be manually signed. Any copies not manually signed shall bear typed or printed signatures. ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001).