EX-23.A 4 ex-23_a.txt EXHIBIT 23A EXHIBIT 23a CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference of our report dated January 28, 2000 included in Mid-State Bancshares' 1999 Form 10-K for the three years ended December 31, 1999, into the previously filed S-8 registration statement File No. 333-29161. /s/ Arthur Andersen LLP ARTHUR ANDERSEN LLP Orange County, California June 2, 2000