1 EXHIBIT 10.8 FIRST AMENDMENT TO LOAN AGREEMENT This FIRST AMENDMENT TO LOAN AGREEMENT ("First Amendment") made as of the ___ day of May, 1996, between SOUTHERN ARIZONA BANCORP, INC., an Arizona corporation ("Borrower") and ZIONS BANCORPORATION, a Utah corporation ("Lender"). WHEREAS, Borrower and Lender (collectively, the "Parties") entered into a Loan Agreement dated as of April 23, 1996 (the "Loan Agreement") pursuant to which the Parties agreed that, upon satisfaction of certain conditions established therein, Lender will advance to Borrower or its order the Loan Amount (as defined therein) on the Closing Date (as defined therein); WHEREAS, the Parties have determined that it would be advantageous to effect the disbursement of the Loan Amount on a date preceding the Closing Date (subject to the satisfaction of the conditions thereto set forth in the Loan Agreement). NOW, THEREFORE, in consideration of these premises and the mutual agreements hereinafter set forth and those set forth in the Loan Agreement, the Parties agree to amend the Loan Agreement in the manner set forth below. A. Page 3 of the Loan Agreement is amended by replacing the definition of "Calculation Date" set forth therein with that set forth below: Calculation Date means May 21, 1996. B. Page 6 of the Loan Agreement is amended by inserting between the definitions of "Consolidated Tangible Net Worth" and "Discharge Certification," the following definition: - 1 - 2 Disbursement Date means May 24, 1996. C. Section 4.1 of the Loan Agreement, "Execution and Delivery of the Closing Certificate and Promissory Note," is amended to read as follows: 4.1. Execution and Delivery of Closing Certificate and Promissory Note. On the Disbursement Date, Borrower shall complete, execute and deliver to Lender the Closing Certificate in the form set forth as Exhibit C and the Promissory Note in the form set forth as Exhibit D hereto. The principal amount of the Promissory Note shall consist of: (i) the aggregate principal amount of the Senior Notes as of the Closing Date; (ii) any accrued but unpaid interest on the Senior Notes as of the Closing Date; and (iii) any additional amount due and owing from Borrower as of the Closing Date pursuant to the Senior Notes and the Loan and Agency Agreement but shall not include any amount paid by Borrower to Senior Note Holders pursuant to Section 4.2 of the Note and Agency Agreement. The Closing Certificate and the Promissory Note shall be dated as of the Disbursement Date. D. Section 4.2 of the Loan Agreement, "Disbursement of Loan Amount," is amended to read as follows: 4.2 Disbursement of Loan Amount. On the Disbursement Date, following completion by Borrower of the actions described in Section 4.1 hereof, Lender shall disburse the Loan Amount to Borrower or to the order of Borrower. - 2 - 3 E. Article 5 of the Loan Agreement, "Prepayment of Senior Notes and Discharge of Note and Agency Agreement," is amended to read as follows: 5. PREPAYMENT OF SENIOR NOTES AND DISCHARGE OF NOTE AND AGENCY AGREEMENT. On the Disbursement Date, following completion by Lender of the actions described in Section 4.2 hereof, Borrower shall take all actions required to be taken by it pursuant to Section 12.1 of the Note and Agency Agreement to (i) prepay and satisfy its obligations under the Senior Notes and Note and Agency Agreement for interest, principal, premiums and all other amounts that will be due and owing as of the Closing Date and (ii) release Borrower from any continuing obligation under the Note and Agency Agreement from and after the Closing Date. Upon the completion by Borrower of the actions contemplated in clauses (i) and (ii) above, Borrower shall promptly furnish to Lender the Discharge Statement, certified by its President and Chief Executive Officer and by an appropriate official of Agent, in the form set forth in Exhibit E hereto. F. Section 8.2 of the Loan Agreement, "Binding Obligations; Due Authorization," shall be amended to read as follows: 8.2 Binding Obligations; Due Authorization. Upon the authorization of this Agreement by the Board of Directors of Borrower, this Agreement will constitute the valid, legal, and binding obligation of Borrower, - 3 - 4 enforceable against it in accordance with its terms, except as enforcement may be limited by applicable bankruptcy, insolvency, moratorium or similar law, or by general principles of equity. The execution, delivery, and performance of this Agreement and the transactions contemplated hereby will have been duly and validly authorized by the Board of Directors of Borrower prior to the Disbursement Date. No other corporate proceedings on the part of Borrower are necessary to authorize the execution and delivery of this Agreement or the carrying out of the transactions contemplated hereby. G. Section 9.1 of the Loan Agreement, "Maintenance of Office; Operation of Business," shall be amended so that the first four lines thereof shall read as follows: 9.1 Maintenance of Office; Operation of Business. Borrower covenants and agrees that from and after the Disbursement Date and continuing so long as any amount remains unpaid on the Promissory Note or hereunder, it will:.... H. Section 9.2 of the Loan Agreement, "Negative Covenants," shall be amended so that the first four lines thereof shall read as follows: 9.2 Negative Covenants. Borrower covenants and agrees that from and after the Disbursement Date and continuing so long as any amount remains unpaid on the Promissory Note or hereunder, it will not:.... - 4 - 5 I. Exhibit B to the Loan Agreement, "Cover Letter to Prepayment Statement," is amended so that it shall be dated as of May 21, 1996, instead of May 23, 1996. J. Exhibit C to the Loan Agreement, "Closing Certificate," is amended so that the last paragraph thereof shall read as follows: IN WITNESS WHEREOF the undersigned officer of the Company has hereunto set his hand this 24th day of May, 1996. K. Exhibit D to the Loan Agreement, "Southern Arizona Bancorp, Inc. 8.75 Percent Non-Negotiable Senior Note Due July 1, 2000," is amended so that: (i) it shall be dated as of May 24, 1996, instead of May 27, 1996; and (ii) the first full paragraph thereof shall read as follows: SOUTHERN ARIZONA BANCORP., INC., an Arizona corporation ("Company") promises to pay to ZIONS BANCORPORATION, a Utah corporation ("Holder"), the principal sum of ______________ Dollars ($_________) and to pay interest (computed on the basis of a 360-day year of twelve 30-day months) on the principal amount from time to time remaining unpaid hereon, at the rate of 8.75 percent per annum from May 27, 1996 until the Maturity Date, payable semiannually on the first of each January and July in each year commencing July 1, 1996 and at the Maturity Date at the office or agency of Company in Yuma, Arizona, in such currency of the United States of America - 5 - 6 as at the time of payment shall be legal tender for payment of public and private debt. Company shall pay interest on overdue principal (including any overdue required prepayment of principal) and premium, if any, and (to the extent legally enforceable) on any overdue installment of interest at the rate of 12 percent per annum after maturity whether by acceleration or otherwise, until paid. If any amount of principal or interest on or in respect of this Note becomes due and payable on any date which is not a Business Day, such amount shall be payable on the next preceding Business Day. L. This First Amendment may be executed in two or more counterparts each of which shall be deemed to constitute an original, but such counterparts together shall be deemed to be one and the same instrument and to become effective when one or more counterparts have been signed by each of the Parties. It shall not be necessary in making proof of this First Amendment or any counterpart hereof to produce or account for the other counterpart. M. This First Amendment shall be governed by, construed, and enforced in accordance with the laws of the State of Utah, without giving effect to the principles of conflict of law thereof. The parties hereby designate Salt Lake County, Utah, and Yuma County, Arizona, to be the proper jurisdictions and venue for any suit or action arising out of this First Amendment. Each of the parties consents to personal jurisdiction in each of such venues for any suit or action with respect to this First Amendment and agrees that - 6 - 7 it may be served with process in any action with respect to this First Amendment or the transactions contemplated hereby by certified or registered mail, return receipt requested, or to its registered agent for service of process in the State of Utah or Arizona. Each of the parties irrevocably and unconditionally waives and agrees, to the fullest extent permitted by law, not to plead any objection that it may now or hereafter have to the laying of venue or the convenience of the forum of any action or claim with respect to this First Amendment or the transactions contemplated hereby brought in the courts aforesaid. N. This First Amendment shall be binding upon the parties and their respective successors and assigns. IN WITNESS WHEREOF, the parties have executed this First Amendment as of the date first above written. ZIONS BANCORPORATION By: -------------------------------- Harris H. Simmons President and Chief Executive Officer SOUTHERN ARIZONA BANCORP, INC. By: -------------------------------- John E. Byrd President and Chief Executive Officer - 7 -