REGENCY BANCORP
8-K, 1999-05-06
STATE COMMERCIAL BANKS
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<PAGE>

                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934


         Date of Report (Date of earliest event reported) April 27, 1999


                                 REGENCY BANCORP
             (Exact name of registrant as specified in its charter)


        California                       000-23815                 77-0378956
(State or other jurisdiction       (Commission File Number)     (IRS Employer 
     of incorporation)                                       Identification No.)




7060 N. Fresno, Fresno, California                              93720
(Address of principal executive offices)                      (Zip Code)


Registrant's telephone number, including area code:   (559) 438-2600


                                 Not Applicable
         (Former name or former address, if changed since last report).




                                                               Page 1 of 4 pages


                                                 The Exhibit Index is on Page 4.


<PAGE>


Item 5.           OTHER EVENTS.

                  The Registrant and Zions Bancorporation issued a joint press
                  release dated April 27, 1999, announcing the signing of an
                  Agreement and Plan of Merger dated as of April 27, 1999 (the
                  "Agreement"), by and among Zions Bancorporation, Regency
                  Bancorp and Regency Bank. Pursuant to the Agreement, Regency
                  Bancorp will merge with and into Zions Bancorporation in a
                  tax-free merger intended to be accounted for as a pooling of
                  interests (the "Merger") with outstanding shares of Regency
                  Bancorp converted into 0.3233 of a share of Zions
                  Bancorporation, subject to certain adjustments, and Regency
                  Bank will merge with and into California Bank and Trust, a
                  subsidiary of Zions Bancorporation. The Agreement includes
                  among its terms, the grant of a stock option to Zions
                  Bancorporation to acquire up to 19.9% of the outstanding
                  Regency Bancorp shares upon the occurrence of certain events
                  pursuant to a Stock Option Agreement dated as of April 27,
                  1999. The Merger is subject to the approval of Regency Bancorp
                  shareholders and applicable regulatory approvals. The
                  foregoing is qualified by reference to the Agreement and Plan
                  of Merger attached as Exhibit 2.1, the Stock Option Agreement
                  attached as Exhibit 2.2, and the joint press release attached
                  as Exhibit 99.1, which are incorporated by reference herein.


Item 7.           FINANCIAL STATEMENTS AND EXHIBITS.

         (a)      FINANCIAL STATEMENTS.

                  Not Applicable.

         (b)      PRO FORMA FINANCIAL INFORMATION.

                  Not Applicable.

         (c)      EXHIBITS.

                   (2.1)   Agreement and Plan of Merger dated April 27, 1999
                   (2.2)   Stock Option Agreement dated as of April 27, 1999
                  (99.1)   Joint press release dated April 27, 1999


                                       2
<PAGE>


                                   SIGNATURES

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the Registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                                 REGENCY BANCORP




Date: May 4, 1999                                /s/ STEVEN R. CANFIELD
                                                 ----------------------
                                                 Steven R. Canfield
                                                 EVP & CFO


                                       3
<PAGE>


                                  EXHIBIT INDEX
<TABLE>
<CAPTION>


    Exhibit No.                            Description
    -----------                            -----------
        <S>             <C>
        2.1             Agreement and Plan of Merger date April 27, 1999

        2.2             Stock Option Agreement dated as of April 27, 1999

        99.1                Joint Press Release dated April 27, 1999
</TABLE>





                                       4



<PAGE>


                                                                     Exhibit 2.1


                          AGREEMENT AND PLAN OF MERGER
- --------------------------------------------------------------------------------

                           dated as of April 27, 1999

                                  by and among

                              Zions Bancorporation,

                                 Regency Bancorp

                                       and

                                  Regency Bank

- --------------------------------------------------------------------------------


<PAGE>


                                TABLE OF CONTENTS
<TABLE>
<CAPTION>

                                                                             PAGE
                                                                             ----

   <S>                                                                       <C>

   RECITALS .................................................................  1

                          ARTICLE I  Certain Definitions

     1.01  CERTAIN DEFINITIONS ..............................................  1

                              ARTICLE II  The Merger

     2.01  THE MERGER .......................................................  8
     2.02  EFFECTIVE DATE AND EFFECTIVE TIME ................................  9
     2.03  PLAN OF MERGER ...................................................  9

                  ARTICLE III  Consideration; Exchange Procedures

     3.01  MERGER CONSIDERATION .............................................  9
     3.02  RIGHTS AS SHAREHOLDERS; STOCK TRANSFERS .......................... 10
     3.03  FRACTIONAL SHARES ................................................ 10
     3.04  EXCHANGE PROCEDURES .............................................. 10
     3.05  ANTI-DILUTION PROVISIONS ......................................... 12
     3.06  OPTIONS .......................................................... 12

                     ARTICLE IV  Actions Pending Acquisition

     4.01  FOREBEARANCES OF COMPANY ......................................... 13
     4.02  FOREBEARANCES OF ZIONS ........................................... 15

                     ARTICLE V  Representations and Warranties

     5.01  DISCLOSURE SCHEDULES ............................................. 16
     5.02  STANDARD ......................................................... 16
     5.03  REPRESENTATIONS AND WARRANTIES OF COMPANY AND COMPANY BANK ....... 16
     5.04  REPRESENTATIONS AND WARRANTIES OF ZIONS .......................... 26

                              ARTICLE VI  Covenants

     6.01  REASONABLE BEST EFFORTS .......................... ............... 29
     6.02  SHAREHOLDER APPROVAL ............................................. 29
     6.03  REGISTRATION STATEMENTS .......................................... 29
     6.04  PRESS RELEASES ................................................... 30
     6.05  ACCESS; INFORMATION .............................................. 31
     6.06  ACQUISITION PROPOSALS ............................................ 31
     6.07  AFFILIATE AGREEMENTS ............................................. 33
     6.08  [RESERVED] ....................................................... 33

</TABLE>

                                      -i-

<PAGE>

<TABLE>

   <S>                                                                       <C>

     6.09  CERTAIN POLICIES ................................................. 33
     6.10  NASDAQ LISTING ................................................... 33
     6.11  REGULATORY APPLICATIONS .......................................... 33
     6.12  INDEMNIFICATION; DIRECTOR AND OFFICERS' INSURANCE ................ 34
     6.13  BENEFIT PLANS .................................................... 35
     6.14  ACCOUNTANTS' LETTERS ............................................. 35
     6.15  NOTIFICATION OF CERTAIN MATTERS .................................. 35
     6.16  SHAREHOLDER AGREEMENTS ........................................... 35
     6.17  BANK MERGER ...................................................... 36
     6.18  REPORTING ........................................................ 36

                 ARTICLE VII  Conditions to Consummation of the Merger

     7.01  CONDITIONS TO EACH PARTY'S OBLIGATION TO EFFECT THE MERGER ....... 36
     7.02  CONDITIONS TO OBLIGATION OF COMPANY .............................. 37
     7.03  CONDITIONS TO OBLIGATION OF ZIONS ................................ 38

                            ARTICLE VIII  Termination

     8.01  TERMINATION ...................................................... 39
     8.02  EFFECT OF TERMINATION AND ABANDONMENT ............................ 41

                            ARTICLE IX  Miscellaneous

     9.01  SURVIVAL ......................................................... 42
     9.02  WAIVER; AMENDMENT ................................................ 42
     9.03  COUNTERPARTS ..................................................... 42
     9.04  GOVERNING LAW; WAIVER OF JURY TRIAL .............................. 42
     9.05  EXPENSES ......................................................... 42
     9.06  NOTICES .......................................................... 42
     9.07  ENTIRE UNDERSTANDING; NO THIRD PARTY BENEFICIARIES ............... 43
     9.08  INTERPRETATION; EFFECT ........................................... 44

</TABLE>


EXHIBIT A  Form of Stock Option Agreement
EXHIBIT B  Form of Agreement of Bank Merger
EXHIBIT C  Form of Affiliate Agreement
EXHIBIT D  Form of Shareholder Agreement
EXHIBIT E  Form of Employment Agreement


                                      -ii-


<PAGE>


         AGREEMENT AND PLAN OF MERGER, dated as of April __, 1999 (this
"AGREEMENT"), by and among REGENCY BANCORP ("COMPANY"), REGENCY BANK (the
"Company Bank") and ZIONS BANCORPORATION ("Zions").


                                    RECITALS

         A. REGENCY BANCORP. Company is a California corporation, having its
principal place of business in Fresno, California.

         B. ZIONS BANCORPORATION. Zions is a Utah corporation, having its
principal place of business in Salt Lake City, Utah.

         C. REGENCY BANK. Company Bank is a California state-chartered member
bank and is a wholly-owned subsidiary of Company.

         D. INTENTIONS OF THE PARTIES. It is the intention of the parties to
this Agreement that the business combination contemplated hereby be accounted
for under the "pooling-of-interests" accounting method and be treated as a
"reorganization" under Section 368 of the Internal Revenue Code of 1986 as
amended (the "CODE").

         E. BOARD ACTION. The respective Boards of Directors of each of Zions
and Company have determined that it is in the best interests of their respective
companies and their shareholders to consummate the strategic business
combination transaction provided for herein.

         F. STOCK OPTION AGREEMENT. As an inducement to the willingness of Zions
to consummate the transactions contemplated by this Agreement, the Company will
grant to Zions an option pursuant to the Stock Option Agreement, substantially
in the form of Exhibit A hereto (the "STOCK OPTION AGREEMENT").

         NOW, THEREFORE, in consideration of the premises and of the mutual
covenants, representations, warranties and agreements contained herein, the
parties agree as follows:


                                    ARTICLE I

                               CERTAIN DEFINITIONS

         I.1 CERTAIN DEFINITIONS. The following terms are used in this Agreement
with the meanings set forth below:


<PAGE>

         "ACQUISITION PROPOSAL" means any tender or exchange offer for 25% or
more of the Company Common Stock, proposal for a merger, consolidation or other
business combination involving Company or any of its Subsidiaries or any
proposal or offer to acquire 25% or more of the Company Common Stock, or a
substantial portion of the assets or deposits of, Company or any of its
Subsidiaries, other than the transactions contemplated by this Agreement.

         "AFFILIATES" of or a Person "Affiliated" with a specific Person is a
Person that directly or indirectly, through one or more intermediaries,
controls, or is controlled by, or is under common control with, the Person
specified.

         "AGREEMENT" means this Agreement, as amended or modified from time to
time in accordance with Section 9.02.

         "AGREEMENT OF BANK MERGER" means the Agreement of Bank Merger to be
entered into between California Bank & Trust and the Company Bank substantially
in the form of Exhibit B hereto, but subject to any changes that may be
necessary to conform to any requirements of any Governmental Authority having
authority over the Bank Merger.

         "BANK MERGER" means the merger of Company Bank with and into California
Bank & Trust.

         "BENEFIT PLANS" has the meaning set forth in Section 5.03(m).

         "BUSINESS DAY" means any Monday, Tuesday, Wednesday, Thursday or Friday
or any other day which is not a day on which banking institutions in Utah or
California are authorized or obligated by law or executive order to close.

         "BUSINESS COMBINATION" has the meaning set forth in Section 3.05.

         "CGCL" means the California General Corporation Law.

         "CALIFORNIA BANK & TRUST" means a California state-chartered bank and a
wholly owned subsidiary of Zions.

         "CALIFORNIA SECRETARY" means the California Secretary of State.

         "CODE" has the meaning set forth in the recitals.

         "COMMISSIONER" means the California Commissioner of Financial
Institutions.


                                      -2-

<PAGE>

         "COMPANY" has the meaning set forth in the preamble to this Agreement.

         "COMPANY AFFILIATE" has the meaning set forth in Section 6.07(a).

         "COMPANY ARTICLES" means the Articles of Incorporation of Company.

         "COMPANY BANK" means Regency Bank, a California state-chartered member
bank and a wholly owned subsidiary of Company.

         "COMPANY BOARD" means the Board of Directors of Company.

         "COMPANY BY-LAWS" means the By-laws of Company.

         "COMPANY COMMON STOCK" means the common stock, no par value, of
Company.

         "COMPANY MEETING" has the meaning set forth in Section 6.02.

         "COMPANY REPRESENTATIVES" has the meaning set forth in Section 6.06.

         "COMPANY STOCK OPTION" has the meaning set forth in Section 3.06.

         "COMPANY STOCK PLAN" means Company's 1990 Stock Option Plan, as
amended.

         "COSTS" has the meaning set forth in Section 6.12(a).

         "DFI" means the California Department of Financial Institutions.

         "DISCLOSURE SCHEDULE" has the meaning set forth in Section 5.01.

         "EFFECTIVE DATE" means the date on which the Effective Time occurs.

         "EFFECTIVE TIME" means the effective time of the Merger, as provided
for in Section 2.02.

         "EFFECTIVE TIME OF THE BANK MERGER" means the date and time the
Commissioner specifies for the Bank Merger.

         "EMPLOYEES" has the meaning set forth in Section 5.03(m).

         "ENVIRONMENTAL LAW" has the meaning set forth in Section 5.03(o).

         "ERISA" means the Employee Retirement Income Security Act of 1974, as
amended.


                                      -3-

<PAGE>

         "ERISA AFFILIATE" has the meaning set forth in Section 5.03(m).

         "EXCHANGE ACT" means the Securities Exchange Act of 1934, as amended,
and the rules and regulations thereunder.

         "EXCHANGE AGENT" has the meaning set forth in Section 3.04.

         "EXCHANGE FUND" has the meaning set forth in Section 3.04.

         "EXCHANGE RATIO" has the meaning set forth in Section 3.01.

         "FDIC" means the Federal Deposit Insurance Corporation.

         "FEDERAL RESERVE" means the Board of Governors of the Federal Reserve
System.

         "GOVERNMENTAL AUTHORITY" means any court, administrative agency or
commission or other federal, state or local governmental authority or
instrumentality.

         "HAZARDOUS SUBSTANCE" has the meaning set forth in Section 5.03(o).

         "INDEMNIFIED PARTY" has the meaning set forth in Section 6.12(a).

         "INSURANCE POLICY" has the meaning set forth in Section 5.03(s).

         "KBW 50 INDEX" means the KBW 50 Index of Keefe, Bruyette & Woods, Inc.
(as provided by Keefe, Bruyette & Woods, Inc. upon request).

         "KBW INDEX CLOSING AVERAGE" means the average of the KBW 50 Index for
the fifteen (15) consecutive NASDAQ trading day period ending on the third (3rd)
day prior to the Effective Date.

         "KBW INDEX STARTING AVERAGE" means the average of the KBW 50 Index for
the five (5) consecutive NASDAQ trading day period commencing on the first full
trading day following the first public announcement of the Merger by the
parties.

         "KNOWLEDGE" means, with respect to any Person, the actual knowledge of
any executive officer of such Person or of any other employee of such Person
with responsibility for the particular subject area or subject matter.

         "LIENS" means any charge, mortgage, pledge, security interest,
restriction, claim, lien or encumbrance.


                                      -4-

<PAGE>

         "MATERIAL ADVERSE EFFECT" means, with respect to Zions or Company, any
     effect that (i) is material and adverse to the financial position, results
     of operations or business of Zions and its Subsidiaries taken as a whole or
     Company and its Subsidiaries taken as a whole, respectively, or (ii) would
     materially impair the ability of either Zions or Company to perform its
     obligations under this Agreement or the Agreement of Bank Merger or
     otherwise materially threaten or materially impede the consummation of the
     Merger, the Bank Merger and the other transactions contemplated by this
     Agreement; PROVIDED, HOWEVER, that Material Adverse Effect shall not be
     deemed to include the impact of (a) changes in banking and similar laws
     affecting financial institutions generally or interpretations thereof by
     courts or governmental authorities, (b) changes in generally accepted
     accounting principles or regulatory accounting requirements applicable to
     banks and their holding companies generally (c) any modifications or
     changes to valuation policies and practices in connection with the Merger
     or restructuring charges taken in connection with the Merger, in each case
     in accordance with generally accepted accounting principles, (d) changes
     agreed to in writing by Zions and Company and (e) changes resulting from
     general economic conditions throughout the United States affecting banks
     and their holding companies.

         "MAXIMUM AMOUNT" has the meaning set forth in Section 6.12(c).

         "MERGER" has the meaning set forth in Section 2.01.

         "MERGER CONSIDERATION" has the meaning set forth in Section 2.01.

         "MULTIEMPLOYER PLANS" has the meaning set forth in Section 5.03(m).

         "NASDAQ" means The Nasdaq Stock Market, Inc.'s National Market System.

         "NEW CERTIFICATE" has the meaning set forth in Section 3.04.

         "OLD CERTIFICATE" has the meaning set forth in Section 3.04.

         "OPTION CONSIDERATION" means, with respect to each Company Stock
Option, an amount in shares of Zions Common Stock equal to the quotient obtained
by dividing (a) the Option Delta by (b) the Zions Closing Average.

         "OPTION DELTA" means, with respect to each Company Stock Option, the
difference between (a) the product of (i) the Zions Closing Average and (ii) the
Exchange Ratio and (b) the exercise price with respect to such Company Stock
Option.


                                      -5-

<PAGE>

         "PERSON" means any individual, bank, corporation, partnership,
association, joint-stock company, business trust or unincorporated organization.

         "PENSION PLAN" has the meaning set forth in Section 5.03(m).

         "PLANS" has the meaning set forth in Section 5.03(m).

         "PREVIOUSLY DISCLOSED" by a party shall mean information set forth in
its Disclosure Schedule.

         "PROXY STATEMENT" has the meaning set forth in Section 6.03.

         "REGISTRATION STATEMENT" has the meaning set forth in Section 6.03.

         "REGULATORY AUTHORITY" has the meaning set forth in Section 5.03(i).

         "REGULATORY DOCUMENTS" means documents filed with the SEC, the Federal
Reserve or the FDIC, as applicable, of the types referred to in Section 5.03(g)
and Section 5.04(f).

         "REPLACEMENT OPTION" has the meaning set forth in Section 3.06.

         "REPRESENTATIVES" means, with respect to any Person, such Person's
directors, officers, employees, legal or financial advisors or any
representatives of such legal or financial advisors.

         "RIGHTS" means, with respect to any Person, securities or obligations
convertible into or exercisable or exchangeable for, or giving any person any
right to subscribe for or acquire, or any options, calls or commitments relating
to, or any stock appreciation right or other instrument the value of which is
determined in whole or in part by reference to the market price or value of,
shares of capital stock of such Person.

         "SEC" means the Securities and Exchange Commission.

         "SECURITIES ACT" means the Securities Act of 1933, as amended, and
rules and regulations thereunder.

         "STOCK OPTION AGREEMENT" has the meaning set forth in the recitals.

         "SHAREHOLDER AGREEMENTS" has the meaning set forth in Section 6.16.


                                      -6-

<PAGE>

         "SUBSIDIARY" AND "SIGNIFICANT SUBSIDIARY" have the meanings ascribed to
them in Rule 1-02 of Regulation S-X of the SEC.

         "SUPERIOR PROPOSAL" means any BONA FIDE Acquisition Proposal to 
effect a merger, consolidation or sale of all or substantially all of the 
assets or capital stock of Company which is on terms which the Company Board 
determines by a majority vote of its directors in their good faith judgment 
(based on the written opinion, with only customary qualifications, of a 
financial advisor of nationally recognized reputation that the consideration 
provided in such Acquisition Proposal likely exceeds the value of the 
consideration provided for in the Merger), after taking into account all 
relevant factors, including any conditions to such Acquisition Proposal, the 
timing of the closing thereof, the risk of nonconsummation, the ability of 
the Person making the Acquisition Proposal to finance the transaction 
contemplated thereby and any required governmental or other consents, filings 
and approvals, to be more favorable to the shareholders of Company than the 
Merger (or any revised proposal made by Zions).

         "SURVIVING CORPORATION" has the meaning set forth in Section 2.01.

         "TAX" AND "TAXES" means all federal, state, local or foreign taxes, 
charges, fees, levies or other assessments, however denominated, including, 
without limitation, all net income, gross income, gains, gross receipts, 
sales, use, ad valorem, goods and services, capital, production, transfer, 
franchise, windfall profits, license, withholding, payroll, employment, 
disability, employer health, excise, estimated, severance, stamp, occupation, 
property, environmental, unemployment or other taxes, customs duties, fees, 
assessments or charges of any kind whatsoever, together with any interest and 
any penalties, additions to tax or additional amounts imposed by any taxing 
authority whether arising before, on or after the Effective Date.

         "TAX RETURNS" means any return, amended return or other report
(including elections, declarations, disclosures, schedules, estimates and
information returns) required to be filed with respect to any Tax.

         "TREASURY STOCK" shall mean shares of Company Common Stock held by
Company or any of its Subsidiaries or by Zions or any of its Subsidiaries, in
each case other than in a fiduciary (including custodial or agency) capacity or
as a result of debts previously contracted in good faith.

         "UBCA" means the Utah Business Corporation Act.


                                      -7-

<PAGE>

         "WARRANTS" means any of the 176,211 warrants to purchase 176,211 shares
of Company Common Stock, the resale of which shares was registered May 11, 1998
with the SEC pursuant to Company's registration statement on Form S-3 No.
333-52505.

         "ZIONS" has the meaning set forth in the preamble to this Agreement.

         "ZIONS BOARD" means the Board of Directors of Zions.

         "ZIONS CLOSING AVERAGE" means the average of the last sales price per
share for Zions Common Stock for the fifteen (15) consecutive NASDAQ trading day
period ending on the third (3rd) day prior to the Effective Date.

         "ZIONS STARTING AVERAGE" means the average of the last sales price per
share for Zions Common Stock for the five (5) consecutive NASDAQ trading day
period commencing on the first full trading day following the first public
announcement of the Merger by the parties.

         "ZIONS COMMON STOCK" means the common stock, no par value per share, of
Zions together with any rights attached thereto under or by virtue of the
Shareholder Protection Rights Agreement, dated September 27, 1996, between Zions
and Zions First National Bank, as rights agent.

         "ZIONS PREFERRED STOCK" means the preferred stock, no par value per
share, of Zions.


                                      -8-

<PAGE>


                                   ARTICLE II

                                   THE MERGER

         II.1 THE MERGER. (a) Subject to the terms and conditions of this
Agreement, in accordance with the applicable provisions of the CGCL and the UBCA
at the Effective Time, Company shall merge with and into Zions (the "MERGER"),
the separate corporate existence of Company shall cease and Zions shall survive
and continue to exist as a Utah corporation (Zions, as the surviving corporation
in the Merger, sometimes being referred to herein as the "SURVIVING
CORPORATION"). Zions may at any time prior to the Effective Time change the
method of effecting the combination with Company (including, without limitation,
the provisions of this Article II) if and to the extent it deems such change to
be necessary, appropriate or desirable; PROVIDED, HOWEVER, that no such change
shall (i) alter or change the amount or kind of consideration to be issued to
holders of Company Common Stock as provided for in this Agreement (the "MERGER
CONSIDERATION"), (ii) adversely affect the tax treatment of Company's
shareholders as a result of receiving the Merger Consideration, including,
without limitation, any adverse effect upon the tax-free treatment, holding
period or tax basis, or (iii) materially impede or delay consummation of the
transactions contemplated by this Agreement.

         (b) Subject to the satisfaction or waiver of the conditions set forth
     in Article VII, the Merger shall become effective upon the occurrence of
     the filing in the office of the Utah Division of Corporation and Commercial
     Code (the "CORPORATION DIVISION") of articles of merger in accordance with
     Section 16-10a-1105 of the UBCA and the filing in the office of the
     California Secretary of an agreement of merger in accordance with Section
     1103 of the CGCL or such later date and time as may be set forth in such
     articles and such agreement. The Merger shall have the effects prescribed
     in the UBCA and the CGCL.

         (c) ARTICLES OF INCORPORATION AND BY-LAWS. The articles of
     incorporation and by-laws of Zions immediately after the Merger shall be
     those of Zions as in effect immediately prior to the Effective Time.

         (d) DIRECTORS AND OFFICERS OF THE SURVIVING CORPORATION. The directors
     and officers of Zions immediately after the Merger shall be the directors
     and officers of Zions immediately prior to the Effective Time, until such
     time as their successors shall be duly elected and qualified.

         II.2 EFFECTIVE DATE AND EFFECTIVE TIME. On such date on or after August
15, 1999 as Zions selects (and promptly provides notice thereof to Company),
which shall be within ten days after the last to occur of the expiration of all
applicable waiting periods in connection with approvals of Governmental
Authorities and the receipt of all approvals of Governmental Authorities and all
conditions to the consummation of the Merger are satisfied or waived (or, at the
election of Zions, on the last business day of the month in which such tenth day
occurs or, if such tenth day


                                      -9-

<PAGE>

occurs on one of the last five business days of such month, on the last business
day of the succeeding month), or on such earlier or later date as may be agreed
in writing by the parties, articles of merger shall be executed in accordance
with all appropriate legal requirements and shall be filed as required by law,
and the Merger provided for herein shall become effective upon such filing or on
such date as may be specified in such articles of merger. The date of such
filing or such later effective date is herein called the "Effective Date". The
"Effective Time" of the Merger shall be the time of such filing or as set forth
in such articles of merger.

         II.3 PLAN OF MERGER. At the request of Zions, Zions and Company shall
enter into a separate agreement of merger or articles of merger reflecting the
terms hereof for purposes of any filing requirement of the CGCL or the UBCA.


                                   ARTICLE III

                       CONSIDERATION; EXCHANGE PROCEDURES

         III.1 MERGER CONSIDERATION. Subject to the provisions of this
Agreement, at the Effective Time, automatically by virtue of the Merger and
without any action on the part of any Person:

         (a) OUTSTANDING COMPANY COMMON STOCK. (i) Each share, excluding
     Treasury Stock, of Company Common Stock issued and outstanding immediately
     prior to the Effective Time shall become and be converted into 0.3233 of a
     share of Zions Common Stock (the "EXCHANGE RATIO"), subject to adjustment
     as set forth in clause (ii) below and as set forth in Section 3.05.

         (ii) In the event that the Zions Closing Average stated as a percentage
     of the Zions Starting Average is greater than the sum of (A) the KBW Index
     Closing Average stated as a percentage of the KBW Index Starting Average
     and (B) fifteen percent (15%), then the Exchange Ratio shall equal the
     product of (y) 0.3233 and (z) a fraction, the numerator of which is the
     product of (I) 1.15 and (II) the Zions Starting Average and the denominator
     of which is the Zions Closing Average. In the event that the Zions Closing
     Average stated as a percentage of the Zions Starting Average is less than
     the difference between (I) the KBW Index Closing Average stated as a
     percentage of the KBW Index Starting Average and (II) fifteen percent
     (15%), then the Exchange Ratio shall equal the product of (y) 0.3233 and
     (z) a fraction, the numerator of which is the product of (I) .85 and (II)
     the Zions Starting Average and the denominator of which is the Zions
     Closing Average.

         (b) OUTSTANDING ZIONS COMMON STOCK. Each share of Zions Common Stock
     issued and outstanding immediately prior to the Effective Time shall remain
     issued and outstanding and unaffected by the Merger.


                                      -10-

<PAGE>

         (c) TREASURY SHARES. Each share of Company Common Stock held as
     Treasury Stock immediately prior to the Effective Time shall be canceled
     and retired at the Effective Time and no consideration shall be issued in
     exchange therefor.

         III.2 RIGHTS AS SHAREHOLDERS; STOCK TRANSFERS. At the Effective Time,
holders of Company Common Stock shall cease to be, and shall have no rights as,
shareholders of Company, other than to receive any dividend or other
distribution with respect to such Company Common Stock with a record date
occurring prior to the Effective Time, and the consideration provided under this
Article III. After the Effective Time, there shall be no transfers on the stock
transfer books of Company or the Surviving Corporation of shares of Company
Common Stock.

         III.3 FRACTIONAL SHARES. Notwithstanding any other provision hereof, no
fractional shares of Zions Common Stock and no certificates or scrip therefor,
or other evidence of ownership thereof, will be issued in the Merger; instead,
Zions shall pay to each holder of Company Common Stock who would otherwise be
entitled to a fractional share of Zions Common Stock (after taking into account
all Old Certificates delivered by such holder) an amount in cash (without
interest) determined by multiplying such fraction by the average of the closing
prices of Zions Common Stock, as reported on NASDAQ (as reported in THE WALL
STREET JOURNAL or, if not reported therein, in another authoritative source),
for the fifteen (15) NASDAQ trading days immediately preceding the Effective
Date.

         III.4 EXCHANGE PROCEDURES. (a) At or prior to the Effective Time, Zions
shall deposit, or shall cause to be deposited, with such bank or trust company
as Zions shall elect, subject (except in the case of a Zions' Subsidiary) to the
approval of Company, which approval may not be unreasonably withheld (which may
include a Subsidiary of Zions) (in such capacity, the "EXCHANGE AGENT"), for the
benefit of the holders of certificates formerly representing shares of Company
Common Stock ("OLD CERTIFICATES"), for exchange in accordance with this Article
III, certificates representing the shares of Zions Common Stock ("NEW
CERTIFICATES") and an estimated amount of cash (such cash and New Certificates,
together with any dividends or distributions with a record date occurring after
the Effective Date with respect thereto (without any interest on any such cash,
dividends or distributions), being hereinafter referred to as the "EXCHANGE
FUND") to be paid pursuant to this Article III in exchange for outstanding
shares of Company Common Stock.

         (b) As soon as practicable after the Effective Date, and in any event
     no later than three (3) days after the Effective Date, Zions shall send or
     cause to be sent to each former holder of record of shares of Company
     Common Stock immediately prior to the Effective Time transmittal materials
     for use in exchanging such shareholder's Old Certificates for the
     consideration set forth in this Article III. Zions shall use its reasonable
     best efforts to cause the New Certificates into which shares of a
     shareholder's Company Common Stock are


                                      -11-

<PAGE>

     converted on the Effective Date and/or any check in respect of any
     fractional share interests or dividends or distributions which such person
     shall be entitled to receive to be sent to the applicable former holder of
     record within five (5) Business Days of, and shall cause such items to be
     delivered to such former holder following, delivery to the Exchange Agent
     of Old Certificates representing such shares of Company Common Stock (or an
     affidavit of lost certificate and, if required by the Exchange Agent,
     indemnity reasonably satisfactory to Zions and the Exchange Agent, if any
     of such certificates are lost, stolen or destroyed) owned by such
     shareholder. No interest will be paid on any such cash to be paid in lieu
     of fractional share interests or in respect of dividends or distributions
     which any such person shall be entitled to receive pursuant to this Article
     III upon such delivery. In the event of a transfer of ownership of any
     shares of Company Common Stock not registered in the transfer records of
     Company, the exchange described in this Section 3.04(b) may nonetheless be
     effected and a check for the cash to be paid in lieu of fractional shares
     may be issued to the transferee if the Old Certificate representing such
     Company Common Stock is presented to the Exchange Agent, accompanied by
     documents sufficient, in the discretion of Zions and the Exchange Agent,
     (i) to evidence and effect such transfer but for the provisions of Section
     3.02 hereof and (ii) to evidence that all applicable stock transfer taxes
     have been paid.

         (c) If Old Certificates are not surrendered or the consideration
     therefor is not claimed prior to the date on which such consideration would
     otherwise escheat to or become the property of any governmental unit or
     agency, the unclaimed consideration shall, to the extent permitted by
     abandoned property and any other applicable law, become the property of the
     Surviving Corporation (and to the extent not in its possession shall be
     paid over to the Surviving Corporation), free and clear of all claims or
     interest of any person previously entitled to such claims. Notwithstanding
     the foregoing, neither the Exchange Agent nor any party hereto shall be
     liable to any former holder of Company Common Stock for any amount properly
     delivered to a public official pursuant to applicable abandoned property,
     escheat or similar laws.

         (d) At the election of Zions, no dividends or other distributions with
     respect to Zions Common Stock with a record date occurring after the
     Effective Time shall be paid to the holder of any unsurrendered Old
     Certificate representing shares of Company Common Stock converted in the
     Merger into the right to receive shares of such Zions Common Stock until
     the holder thereof shall be entitled to receive New Certificates in
     exchange therefor in accordance with the procedures set forth in this
     Section 3.04, and no such shares of Company Common Stock shall be eligible
     to vote until the holder of Old Certificates is entitled to receive New
     Certificates in accordance with the procedures set forth in this Section
     3.04. After becoming so entitled in accordance with this Section 3.04, the
     record holder thereof also shall be entitled to receive any such dividends
     or other distributions, without any interest thereon, which theretofore had
     become payable with respect to shares of Zions Common Stock such holder had
     the right to receive upon surrender of the Old Certificate.


                                      -12-

<PAGE>

         (e) Any portion of the Exchange Fund that remains unclaimed by the
     shareholders of Company for one year after the Effective Time shall be
     returned by the Exchange Agent to Zions. Any shareholders of Company who
     have not theretofore complied with this Article III shall thereafter look
     only to Zions for payment of the shares of Zions Common Stock, cash in lieu
     of any fractional shares and unpaid dividends and distributions on Zions
     Common Stock deliverable in respect of each share of Company Common Stock
     such shareholder holds as determined pursuant to this Agreement, in each
     case, without any interest thereon.

         III.5 ANTI-DILUTION PROVISIONS. In the event Zions changes (or
establishes a record date for changing) the number of shares of Zions Common
Stock issued and outstanding prior to the Effective Date as a result of a stock
split, stock dividend, recapitalization, distributions of shares of Zions Common
Stock pursuant to Zions' rights plan or similar transaction with respect to the
outstanding Zions Common Stock and the record date therefor, if applicable,
shall be prior to the Effective Date, the Exchange Ratio shall be
proportionately adjusted. Subject to Section 2.01(a), if, between the date
hereof and the Effective Time, Zions shall consolidate with or into any other
corporation (a "BUSINESS COMBINATION") and the terms thereof shall provide that
Zions Common Stock shall be converted into or exchanged for the shares of any
other corporation or entity, then provision shall be made as part of the terms
of such Business Combination so that shareholders of Company who would be
entitled to receive shares of Zions Common Stock pursuant to this Agreement
shall be entitled to receive, in lieu of each share of Zions Common Stock
issuable to such shareholders as provided herein, the same kind and amount of
securities or assets as shall be distributable upon such Business Combination
with respect to one share of Zions Common Stock.

         III.6 OPTIONS. Subject to paragraph (b) of this Section 3.06, at the
Effective Time, each holder of outstanding options to purchase shares of Company
Common Stock under the Company Stock Plan (each, a "COMPANY STOCK OPTION"),
whether vested or unvested, shall be canceled and only entitle the holder to
receive with respect to such Company Stock Options the product of (i) the Option
Consideration and (ii) the number of Company Stock Options held by such holder,
rounded down to the nearest whole share to be paid by Zions in the form of whole
shares of Zions Common Stock. At or prior to the Effective Time, Company shall
take all action, if any, necessary with respect to the cancellation of the
Company Stock Options, including obtaining any necessary consents of the holders
of Company Stock Options. The exchange of agreements representing Company Stock
Options for the Option Consideration shall take place upon substantially the
same terms as set forth in Section 3.04 with respect to the exchange of
certificates representing Company Common Stock for the Merger Consideration.


                                      -13-

<PAGE>


                                   ARTICLE IV

                           ACTIONS PENDING ACQUISITION

         IV.1 FOREBEARANCES OF COMPANY. From the date hereof until the Effective
Time, except as expressly contemplated by this Agreement, without the prior
written consent of Zions, Company will not, and will cause each of its
Subsidiaries not to:

         (a) ORDINARY COURSE. Conduct the business of Company and its
     Subsidiaries other than in the ordinary and usual course consistent with
     past practice or fail to use reasonable best efforts to preserve intact
     their business organizations and assets and maintain in all material
     respects their rights, franchises and existing relations with customers,
     suppliers, employees and business associates, take any action that would
     adversely affect or delay the ability of Company, Zions or any of their
     Subsidiaries to perform any of their obligations on a timely basis under
     this Agreement and the Agreement of Bank Merger, or take any action that is
     reasonably likely to have a Material Adverse Effect with respect to
     Company.

         (b) CAPITAL STOCK. Other than pursuant to Rights Previously Disclosed
     and outstanding on the date hereof, (i) issue, sell or otherwise permit to
     become outstanding, or authorize the creation of, any additional shares of
     Company Common Stock or any Rights, (ii) enter into any agreement with
     respect to the foregoing or (iii) permit any additional shares of Company
     Common Stock to become subject to new grants of employee or director stock
     options, other Rights or similar stoc based employee rights.

         (c) DIVIDENDS, ETC. (a) Make, declare, pay or set aside for payment any
     dividend on or in respect of, or declare or make any distribution on any
     shares of Company Common Stock (other than quarterly cash dividends on
     Company Common Stock in an amount not to exceed $0.10 per share with record
     and payment dates consistent with past practice) or (b) directly or
     indirectly adjust, split, combine, redeem, reclassify, purchase or
     otherwise acquire, any shares of its capital stock

         (d) COMPENSATION; EMPLOYMENT AGREEMENTS; ETC. Enter into or amend or
     renew any employment, consulting, severance or similar agreements or
     arrangements with any director, officer or employee of Company or its
     Subsidiaries, or grant any salary or wage increase or increase any employee
     benefit (including incentive or bonus payments), except (i) for normal
     individual increases in compensation to employees in the ordinary course of
     business consistent with past practice (including increases in the annual
     bonus pool and reallocations pursuant thereto), (ii) for other changes that
     are required by applicable law, (iii) to satisfy Previously Disclosed
     contractual obligations existing as of the date hereof or (iv) for grants
     of awards to newly hired employees consistent with past practice.


                                      -14-

<PAGE>

         (e) BENEFIT PLANS. Enter into, establish, adopt or amend (except (i) as
     may be required by applicable law or (ii) to satisfy Previously Disclosed
     contractual obligations existing as of the date hereof) any pension,
     retirement, stock option, stock purchase, savings, profit sharing, deferred
     compensation, consulting, bonus, group insurance or other employee benefit,
     incentive or welfare contract, plan or arrangement, or any trust agreement
     (or similar arrangement) related thereto, in respect of any director,
     officer or employee of Company or its Subsidiaries, or take any action to
     accelerate the vesting or exercisability of stock options, restricted stock
     or other compensation or benefits payable thereunder.

         (f) DISPOSITIONS. Except as Previously Disclosed, sell, transfer,
     mortgage, encumber or otherwise dispose of or discontinue any of its
     assets, deposits, business or properties except in the ordinary course of
     business consistent with past practice and in a transaction that is not
     material to it and its Subsidiaries taken as a whole.

         (g) ACQUISITIONS. Except as Previously Disclosed, acquire (other than
     by way of foreclosures or acquisitions of control in a bona fide fiduciary
     capacity or in satisfaction of debts previously contracted in good faith,
     in each case in the ordinary and usual course of business consistent with
     past practice) all or any portion of, the assets, business, deposits or
     properties of any other entity except in the ordinary course of business
     consistent with past practice and in a transaction that is not material to
     Company and its Subsidiaries, taken as a whole.

         (h) CAPITAL EXPENDITURES. Except as Previously Disclosed, make any
     capital expenditures, other than capital expenditures in the ordinary
     course of business consistent with past practice in amounts not exceeding
     $50,000 individually or $150,000 in the aggregate.

         (i) GOVERNING DOCUMENTS. Amend the Company Articles, Company By-Laws or
     the articles of incorporation or by-laws (or similar governing documents)
     of any of Company's Subsidiaries.

         (j) ACCOUNTING METHODS. Implement or adopt any change in its accounting
     principles, practices or methods, other than as may be required by
     generally accepted accounting principles or applicable banking regulation.

         (k) CONTRACTS. Except in the ordinary course of business consistent
     with past practice, enter into or terminate any material contract (as
     defined in Section 5.03(k)) or amend or modify in any material respect any
     of its existing material contracts.

         (l) CLAIMS. Except in the ordinary course of business consistent with
     past practice, settle any claim, action or proceeding, except for any
     claim, action or proceeding involving


                                      -15-

<PAGE>

     solely money damages in an amount, individually or in the aggregate for all
     such settlements, that is not material to Company and its Subsidiaries,
     taken as a whole.

         (m) ADVERSE ACTIONS. (a) Take any action while knowing that such action
     would, or is reasonably likely to, prevent or impede the Merger from
     qualifying (i) for "pooling of interests" accounting treatment or (ii) as a
     reorganization within the meaning of Section 368 of the Code; or (b)
     knowingly take any action that is intended or is reasonably likely to
     result in (i) any of its representations and warranties set forth in this
     Agreement being or becoming untrue in any material respect at any time at
     or prior to the Effective Time, (ii) any of the conditions to the Merger
     set forth in Article VII not being satisfied or (iii) a material violation
     of any provision of this Agreement except, in each case, as may be required
     by applicable law or regulation.

         (n) RISK MANAGEMENT. Except as required by applicable law or
     regulation, (i) implement or adopt any material change in its interest rate
     and other risk management policies, procedures or practices; (ii) fail to
     follow its existing policies or practices with respect to managing its
     exposure to interest rate and other risk; or (iii) fail to use commercially
     reasonable means to avoid any material increase in its aggregate exposure
     to interest rate risk.

         (o) INDEBTEDNESS. Incur any indebtedness for borrowed money other than
     in the ordinary course of business consistent with past practice.

         (p) COMMITMENTS. Agree or commit to do any of the foregoing.

         IV.2 FOREBEARANCES OF ZIONS. From the date hereof until the Effective
Time, except as expressly contemplated by this Agreement, without the prior
written consent of Company, Zions will not, and will cause each of its
Subsidiaries not to:

         (a) ORDINARY COURSE. Take any action that would adversely affect or
     delay the ability of Company or Zions to perform any of their obligations
     on a timely basis under this Agreement, or take any action that is
     reasonably likely to have a Material Adverse Effect with respect to Zions.

         (b) ADVERSE ACTIONS. (a) Take any action while knowing that such action
     would, or is reasonably likely to, prevent or impede the Merger from
     qualifying (i) for "pooling of interests" accounting treatment or (ii) as a
     reorganization within the meaning of Section 368 of the Code; or (b)
     knowingly take any action that is intended or is reasonably likely to
     result in (i) any of its representations and warranties set forth in this
     Agreement being or becoming untrue in any material respect at any time at
     or prior to the Effective Time, (ii) any of the conditions to the Merger
     set forth in Article VII not being satisfied or (iii) a material


                                      -16-

<PAGE>

     violation of any provision of this Agreement except, in each case, as may
     be required by applicable law or regulation.


                                   ARTICLE V

                         REPRESENTATIONS AND WARRANTIES

         V.1 DISCLOSURE SCHEDULES. On or prior to the date hereof, Company and
Company Bank have delivered to Zions a schedule or schedules (each, a
"DISCLOSURE SCHEDULE") setting forth, among other things, items the disclosure
of which is necessary or appropriate either in response to an express disclosure
requirement contained in a provision hereof or as an exception to one or more
representations or warranties contained in Section 5.03; PROVIDED, that (a) no
such item is required to be set forth in a Disclosure Schedule as an exception
to a representation or warranty if its absence would not be reasonably likely to
result in the related representation or warranty being deemed untrue or
incorrect under the standard established by Section 5.02, and (b) the mere
inclusion of an item in a Disclosure Schedule as an exception to a
representation or warranty shall not be deemed an admission by a party that such
item represents a material exception or fact, event or circumstance or that such
item is reasonably likely to result in a Material Adverse Effect with respect to
the disclosing party.

         V.2 STANDARD. No representation or warranty of Company and Company
Bank, on the one hand, or Zions, on the other, contained in Section 5.03 or 5.04
shall be deemed untrue or incorrect, and no party hereto shall be deemed to have
breached a representation or warranty, as a consequence of the existence of any
fact, event or circumstance unless such fact, circumstance or event,
individually or taken together with all other facts, events or circumstances
inconsistent with any representation or warranty contained in Section 5.03 or
5.04 has had or is reasonably likely to have a Material Adverse Effect on the
party making such representation or warranty.

         V.3 REPRESENTATIONS AND WARRANTIES OF COMPANY AND COMPANY BANK. Subject
to Sections 5.01 and 5.02 and except as Previously Disclosed in a paragraph of
Company and Company Bank Disclosure Schedule corresponding to the relevant
paragraph below, Company and Company Bank hereby represent and warrant jointly
and severally to Zions:

         (a) ORGANIZATION, STANDING AND AUTHORITY. Company is a corporation duly
     organized, validly existing and in good standing under the laws of the
     State of California. Company is duly qualified to do business and is in
     good standing in the states of the United States and any foreign
     jurisdictions where its ownership or leasing of property or assets or the
     conduct of its business requires it to be so qualified.


                                      -17-

<PAGE>

         (b) COMPANY COMMON STOCK. As of the date hereof, the authorized capital
     stock of Company consists solely of 5,000,000 shares of Company Common
     Stock, of which no more than 2,624,999 shares were outstanding as of the
     date hereof. As of the date hereof, no shares of Company Common Stock were
     held in treasury by Company or otherwise owned by Company or its
     Subsidiaries. The outstanding shares of Company Common Stock have been duly
     authorized and are validly issued and outstanding, fully paid and
     nonassessable, and subject to no preemptive rights (and were not issued in
     violation of any preemptive rights). As of the date hereof, there are no
     shares of Company Common Stock authorized and reserved for issuance,
     Company does not have any Rights issued or outstanding with respect to
     Company Common Stock, and Company does not have any commitment to
     authorize, issue or sell any Company Common Stock or Rights, except
     pursuant to this Agreement, the Warrants, any Company Stock Option and the
     Company Stock Plan. The number of shares of Company Common Stock which are
     issuable and reserved for issuance upon exercise of Company Stock Options
     as of the date hereof are Previously Disclosed in Company's Disclosure
     Schedule.

         (c) SUBSIDIARIES. (i)(A) Company has Previously Disclosed a list of all
     of its Subsidiaries together with the jurisdiction of organization of each
     such Subsidiary, (B) Company owns, directly or indirectly, all the issued
     and outstanding equity securities of each of its Subsidiaries, (C) no
     equity securities of any of its Subsidiaries are or may become required to
     be issued (other than to it or its wholly owned Subsidiaries) by reason of
     any Right or otherwise, (D) there are no contracts, commitments,
     understandings or arrangements by which any of such Subsidiaries is or may
     be bound to sell or otherwise transfer any equity securities of any such
     Subsidiaries (other than to it or its wholly-owned Subsidiaries), (E) there
     are no contracts, commitments, understandings, or arrangements relating to
     its rights to vote or to dispose of such securities and (F) all the equity
     securities of each Subsidiary held by Company or its Subsidiaries have been
     duly authorized and are validly issued and outstanding, fully paid and
     nonassessable and are owned by Company or its Subsidiaries free and clear
     of any Liens.

         (ii) Company does not own beneficially, directly or indirectly, any
     equity securities or similar interests of any Person, or any interest in a
     partnership or joint venture of any kind, other than its Subsidiaries.

         (iii) Each of Company's Subsidiaries has been duly organized and is
     validly existing in good standing under the laws of the jurisdiction of its
     organization, and is duly qualified to do business and in good standing in
     the jurisdictions where its ownership or leasing of property or the conduct
     of its business requires it to be so qualified.

         (d) CORPORATE POWER. Company and each of its Subsidiaries has the
     corporate power and authority to carry on its business as it is now being
     conducted and to own all its


                                      -18-

<PAGE>

     properties and assets; and Company has the corporate power and authority to
     execute, deliver and perform its obligations under this Agreement and the
     Stock Option Agreement and to consummate the transactions contemplated
     hereby and thereby. Company Bank has the corporate power and authority to
     execute, deliver and perform its obligations under this Agreement and the
     Agreement of Bank Merger and to consummate the transactions contemplated
     hereby and thereby.

         (e) CORPORATE AUTHORITY. Subject in the case of this Agreement to
     receipt of the requisite approval of the agreement of merger set forth in
     this Agreement by the holders of a majority of the outstanding shares of
     Company Common Stock entitled to vote thereon (which is the only
     shareholder vote required thereon), this Agreement and the Stock Option
     Agreement and the transactions contemplated hereby and thereby have been
     authorized by all necessary corporate action of Company and the Company
     Board on or prior to the date hereof. Each of this Agreement and the Stock
     Option Agreement is a valid and legally binding obligation of Company,
     enforceable in accordance with its terms (except as enforceability may be
     limited by applicable bankruptcy, insolvency, reorganization, moratorium,
     fraudulent transfer and similar laws of general applicability relating to
     or affecting creditors' rights or by general equity principles). Each of
     this Agreement and the Agreement of Bank Merger and the transactions
     contemplated hereby and thereby have been duly authorized by all necessary
     corporate action of Company Bank and its board of directors on or prior to
     the date hereof. Each of this Agreement, and upon execution and delivery of
     the Agreement of Bank Merger, the Agreement of Bank Merger, is or will be,
     as the case may be, the valid and legally binding obligation of Company
     Bank, enforceable in accordance with its terms (except as enforceability
     may be limited by applicable bankruptcy, insolvency, reorganization,
     moratorium, fraudulent transfer and similar laws of general applicability
     relating to or affecting creditors' rights or by general equity
     principles). The Company Board has received the written opinion of The
     Findley Group to the effect that as of the date hereof the Exchange Ratio
     to be received by the holders of Company Common Stock in the Merger is fair
     to the holders of Company Common Stock from a financial point of view.

         (f) REGULATORY APPROVALS; NO DEFAULTS. (i) No consents or approvals of,
     or filings or registrations with, any Governmental Authority or with any
     third party are required to be made or obtained by Company or any of its
     Subsidiaries in connection with the execution, delivery or performance by
     Company or Company Bank of this Agreement and the Agreement of Bank Merger
     or to consummate the Merger or the Bank Merger except for (A) filings with
     the SEC and state securities authorities and the approval of this Agreement
     by the shareholders of Company and (B) the filing of articles of merger
     with the Corporation Division pursuant to the UBCA and an agreement of
     merger with the California Secretary pursuant to the CGCL. As of the date
     hereof, Company has no knowledge of any reason why


                                      -19-

<PAGE>

     the approvals set forth in Section 7.01(b) will not be received without the
     imposition of a condition, restriction or requirement of the type described
     in Section 7.01(b).

         (ii) Subject to receipt of the regulatory approvals referred to in the
     preceding paragraph, and the expiration of related waiting periods, and
     required filings under federal and state securities laws, the execution,
     delivery and performance of this Agreement and Agreement of Bank Merger and
     the consummation of the transactions contemplated hereby and thereby do not
     and will not (A) constitute a breach or violation of, or a default under,
     or give rise to any Lien, any acceleration of remedies or any right of
     termination under, any law, rule or regulation or any judgment, decree,
     order, governmental permit or license, or agreement, indenture or
     instrument of Company or of any of its Subsidiaries or to which Company or
     any of its Subsidiaries or properties is subject or bound, (B) constitute a
     breach or violation of, or a default under, the Company Articles or the
     Company By-Laws or the articles of incorporation or by-laws of Company
     Bank, or (C) require any consent or approval under any such law, rule,
     regulation, judgment, decree, order, governmental permit or license,
     agreement, indenture or instrument.

         (g) FINANCIAL REPORTS AND REGULATORY DOCUMENTS; MATERIAL ADVERSE
     EFFECT. (i) Company's (or its predecessors') Annual Reports on Form 10-K
     for the fiscal years ended December 31, 1998, 1997 and 1996, and all other
     reports, registration statements, definitive proxy statements or
     information statements filed or to be filed by it or any of its
     Subsidiaries subsequent to December 31, 1996 under the Securities Act, or
     under Section 13(a), 13(c), 14 or 15(d) of the Exchange Act or under the
     securities regulations of the SEC, in the form filed or to be filed
     (collectively, the Company "REGULATORY DOCUMENTS") with the SEC as of the
     date filed, (A) complied or will comply in all material respects as to form
     with the applicable requirements under the Securities Act or the Exchange
     Act, as the case may be, and (B) did not and will not contain any untrue
     statement of a material fact or omit to state a material fact required to
     be stated therein or necessary to make the statements therein, in the light
     of the circumstances under which they were made, not misleading; and each
     of the balance sheets contained in or incorporated by reference into any
     such Regulatory Document (including the related notes and schedules
     thereto) fairly presents, or will fairly present, in all material respects,
     the financial position of Company and its Subsidiaries as of its date, and
     each of the statements of income and changes in shareholders' equity and
     cash flows or equivalent statements in such Regulatory Documents (including
     any related notes and schedules thereto) fairly presents, or will fairly
     present, in all material respects, the results of operations, changes in
     shareholders' equity and changes in cash flows, as the case may be, of
     Company and its Subsidiaries for the periods to which they relate, in each
     case in accordance with generally accepted accounting principles
     consistently applied during the periods involved, except in each case as
     may be noted therein, subject to normal year-end audit adjustments in the
     case of unaudited statements.


                                      -20-

<PAGE>

         (ii) Since December 31, 1998, Company and its Subsidiaries have not
     incurred any liability other than in the ordinary course of business
     consistent with past practice.

         (iii) Since December 31, 1998, (A) Company and its Subsidiaries have
     conducted their respective businesses in the ordinary and usual course
     consistent with past practice (excluding the incurrence of expenses related
     to this Agreement and the transactions contemplated hereby) and (B) no
     event has occurred or circumstance arisen that, individually or taken
     together with all other facts, circumstances and events (described in any
     paragraph of Section 5.03 or otherwise), is reasonably likely to have a
     Material Adverse Effect with respect to Company.

         (h) LITIGATION. No litigation, claim or other proceeding before any
     court or governmental agency is pending against Company or any of its
     Subsidiaries and, to Company's knowledge, no such litigation, claim or
     other proceeding has been threatened.

         (i) REGULATORY MATTERS. (i) Neither Company nor any of its Subsidiaries
     or any of their properties is a party to or is subject to any written
     order, decree, agreement, memorandum of understanding or similar
     arrangement with, or a commitment letter or similar submission to, or
     extraordinary supervisory letter from, any federal or state governmental
     agency or authority charged with the supervision or regulation of financial
     institutions or issuers of securities or engaged in the insurance of
     deposits (including, without limitation, the DFI, the Federal Reserve and
     the FDIC) or the supervision or regulation of it or any of its Subsidiaries
     (collectively, the "REGULATORY AUTHORITIES").

         (ii) Neither Company nor any of its Subsidiaries has been advised by
     any Regulatory Authority that such Regulatory Authority is contemplating
     issuing or requesting (or is considering the appropriateness of issuing or
     requesting) any such written order, decree, agreement, memorandum of
     understanding, commitment letter, supervisory letter or similar submission.

         (j) COMPLIANCE WITH LAWS. Company and each of its Subsidiaries:

         (i) is in compliance with all applicable federal, state, local and
     foreign statutes, laws, regulations, ordinances, rules, judgments, orders
     or decrees applicable thereto or to the employees conducting such
     businesses, including, without limitation, the Equal Credit Opportunity
     Act, the Fair Housing Act, the Community Reinvestment Act, the Home
     Mortgage Disclosure Act and all other applicable fair lending laws and
     other laws relating to discriminatory business practices;

         (ii) has all permits, licenses, authorizations, orders and approvals
     of, and has made all filings, applications and registrations with, all
     Governmental Authorities that are required in


                                      -21-

<PAGE>

     order to permit them to own or lease their properties and to conduct their
     businesses as presently conducted; all such permits, licenses, certificates
     of authority, orders and approvals are in full force and effect and, to
     Company's knowledge, no suspension or cancellation of any of them is
     threatened; and

         (iii) has received, since December 31, 1998, no notification or
     communication from any Governmental Authority (A) asserting that Company or
     any of its Subsidiaries is not in compliance with any of the statutes,
     regulations or ordinances which such Governmental Authority enforces or (B)
     threatening to revoke any license, franchise, permit or governmental
     authorization (nor, to Company's knowledge, do any grounds for any of the
     foregoing exist).

         (k) MATERIAL CONTRACTS; DEFAULTS. Except for those agreements and other
     documents filed as exhibits to its Regulatory Documents, neither the
     Company nor any of its Subsidiaries is a party to, bound by or subject to
     any agreement, contract, arrangement, commitment or understanding (whether
     written or oral) (i) that is a "material contract" within the meaning of
     Item 601(b)(10) of the SEC's Regulation S-K or (ii) that materially
     restricts the conduct of business by it or any of its Subsidiaries. Neither
     Company nor any of its Subsidiaries is in default under any material
     contract, agreement, commitment, arrangement, lease, insurance policy or
     other instrument to which it is a party, by which its respective assets,
     business, or operations may be bound or affected, or under which it or its
     respective assets, business, or operations receives benefits, and there has
     not occurred any event that, with the lapse of time or the giving of notice
     or both, would constitute such a default

         (l) NO BROKERS. No action has been taken by Company that would give
     rise to any valid claim against any party hereto for a brokerage
     commission, finder's fee or other like payment with respect to the
     transactions contemplated by this Agreement, excluding a Previously
     Disclosed fee to be paid to Belle Plaine Financial LLC.

         (m) EMPLOYEE BENEFIT PLANS.

         (i) All benefit and compensation plans, contracts, policies or
     arrangements covering current employees or former employees of Company and
     its subsidiaries (the "EMPLOYEES") and current or former directors of
     Company, including, but not limited to, "employee benefit plans" within the
     meaning of Section 3(3) of ERISA, and deferred compensation, stock option,
     stock purchase, stock appreciation rights, stock based, incentive and bonus
     plans (the "BENEFIT PLANS"), are Previously Disclosed in the Disclosure
     Schedule. True and complete copies of all Benefit Plans, including, but not
     limited to, any trust instruments and insurance contracts forming a part of
     any Benefit Plans, and all amendments thereto have been provided or made
     available to Zions.


                                      -22-

<PAGE>

         (ii) All employee benefit plans, other than "multiemployer plans"
     within the meaning of Section 3(37) of ERISA, covering Employees (the
     "PLANS"), to the extent subject to ERISA, are in substantial compliance
     with ERISA. Neither Company nor any of its Subsidiaries is a party to any
     "employee pension benefit plan" within the meaning of Section 3(2) of ERISA
     ("PENSION PLAN"), which is intended to be qualified under Section 401(a) of
     the Code. There is no material pending or, to the knowledge of Company,
     threatened litigation relating to the Plans. Neither Company nor any of its
     Subsidiaries has engaged in a transaction with respect to any Plan that,
     assuming the taxable period of such transaction expired as of the date
     hereof, could subject Company or any Subsidiary to a tax or penalty imposed
     by either Section 4975 of the Code or Section 502(i) of ERISA in an amount
     which would be material.

         (iii) No liability under Subtitle C or D of Title IV of ERISA has been
     or is expected to be incurred by Company or any of its Subsidiaries with
     respect to any ongoing, frozen or terminated "single-employer plan", within
     the meaning of Section 4001(a)(15) of ERISA, currently or formerly
     maintained by any of them, or the single-employer plan of any entity which
     is considered one employer with Company under Section 4001 of ERISA or
     Section 414 of the Code (an "ERISA AFFILIATE"). Neither Company, any of its
     Subsidiaries nor an ERISA Affiliate has contributed to a "multiemployer
     plan", within the meaning of Section 3(37) of ERISA, at any time on or
     after September 26, 1980. No notice of a "reportable event", within the
     meaning of Section 4043 of ERISA for which the 30-day reporting requirement
     has not been waived, has been required to be filed for any Pension Plan or
     by any ERISA Affiliate within the 12-month period ending on the date hereof
     or will be required to be filed in connection with the transactions
     contemplated by this Plan.

         (iv) All contributions required to be made under the terms of any Plan
     have been timely made or have been reflected on the consolidated financial
     statements of Company included in the Regulatory Documents. Neither any
     Pension Plan nor any single-employer plan of an ERISA Affiliate has an
     "accumulated funding deficiency" (whether or not waived) within the meaning
     of Section 412 of the Code or Section 302 of ERISA and no ERISA Affiliate
     has an outstanding funding waiver. Neither Company nor any of its
     Subsidiaries has provided, or is required to provide, security to any
     Pension Plan or to any single-employer plan of an ERISA Affiliate pursuant
     to Section 401(a)(29) of the Code.

         (v) Under each Pension Plan which is a single-employer plan, as of the
     last day of the most recent plan year ended prior to the date hereof, the
     actuarially determined present value of all "benefit liabilities", within
     the meaning of Section 4001(a)(16) of ERISA (as determined on the basis of
     the actuarial assumptions contained in the Plan's most recent actuarial
     valuation), did not exceed the then current value of the assets of such
     Plan, and there has been no material change in the financial condition of
     such Plan since the last day of the most recent plan year.


                                      -23-

<PAGE>

         (vi) Neither Company nor any of its Subsidiaries has any obligations
     for retiree health and life benefits under any Benefit Plan. Company or its
     Subsidiaries may amend or terminate any such Benefit Plan at any time
     without incurring any liability thereunder.

         (vii) The consummation of the transactions contemplated by this
     Agreement and the Agreement of Bank Merger will not (x) entitle any
     employees of Company or any of its Subsidiaries to severance pay, (y)
     accelerate the time of payment or vesting or trigger any payment of
     compensation or benefits under, increase the amount payable or trigger any
     other material obligation pursuant to, any of the Benefit Plans or (z)
     result in any breach or violation of, or a default under, any of the
     Benefit Plans. Without limiting the foregoing, as a result of the
     consummation of the transactions contemplated by this Agreement and the
     Agreement of Bank Merger, none of Zions, Company, or any of its
     Subsidiaries will be obligated to make a payment to an individual that
     would be a "parachute payment" to a "disqualified individual" as those
     terms are defined in Section 280G of the Code, without regard to whether
     such payment is reasonable compensation for personal services performed or
     to be performed in the future.

         (n) LABOR MATTERS. Neither Company nor any of its Subsidiaries is a
     party to or is bound by any collective bargaining agreement, contract or
     other agreement or understanding with a labor union or labor organization,
     nor is Company or any of its Subsidiaries the subject of a proceeding
     asserting that it or any such Subsidiary has committed an unfair labor
     practice (within the meaning of the National Labor Relations Act) or
     seeking to compel Company or any such Subsidiary to bargain with any labor
     organization as to wages or conditions of employment, nor is there any
     strike or other labor dispute involving it or any of its Subsidiaries
     pending or, to Company's knowledge, threatened, nor to the knowledge of
     Company is there any activity involving its or any of its Subsidiaries'
     employees seeking to certify a collective bargaining unit or engaging in
     other organizational activity.

         (o) ENVIRONMENTAL MATTERS. To the best knowledge of Company, neither
     the conduct nor operation of Company or its Subsidiaries nor any condition
     of any property presently or previously owned, leased or operated by any of
     them (including, without limitation, in a fiduciary or agency capacity),
     violates or violated Environmental Laws and no condition has existed or
     event has occurred with respect to any of them or any such property that,
     with notice or the passage of time, or both, is reasonably likely to result
     in liability under Environmental Laws. To the knowledge of Company, no
     property on which Company or any of its Subsidiaries holds a Lien, violates
     or violated Environmental Laws and no condition has existed or event has
     occurred with respect to any such property that, with notice or the passage
     of time, or both, is reasonably likely to result in liability under
     Environmental Laws. Neither Company nor any of its Subsidiaries has
     received any notice from any person or entity that Company or its
     Subsidiaries or the operation or condition of any property ever owned,
     leased, operated, or held as collateral or in a fiduciary capacity by any
     of them are or


                                      -24-

<PAGE>

     were in violation of or otherwise are alleged to have liability under any
     Environmental Law, including, but not limited to, responsibility (or
     potential responsibility) for the cleanup or other remediation of any
     pollutants, contaminants, or hazardous or toxic wastes, substances or
     materials at, on, beneath, or originating from, any such property.

         As used herein, the term "ENVIRONMENTAL LAW" means any federal, state
     or local law, regulation, order, decree, permit, authorization, opinion,
     common law or agency requirement relating to: (A) the protection or
     restoration of the environment, health, safety, or natural resources, (B)
     the handling, use, presence, disposal, release or threatened release of any
     Hazardous Substance or (C) noise, odor, wetlands, indoor air, pollution,
     contamination or any injury or threat of injury to persons or property in
     connection with any Hazardous Substance. As used herein, the term
     "HAZARDOUS SUBSTANCE" means any substance in any concentration that is: (A)
     listed, classified or regulated pursuant to any Environmental Law; (B) any
     petroleum product or by-product, asbestos-containing material,
     lead-containing paint or plumbing, polychlorinated biphenyls, radioactive
     materials or radon; or (C) any other substance which is or may be the
     subject of regulatory action by any Governmental Authority in connection
     with any Environmental Law.

         (p) TAX MATTERS. (i) (A) All Tax Returns that are required to be filed
     (taking into account any extensions of time within which to file) by or
     with respect to Company and its Subsidiaries have been duly and timely
     filed, and all such Tax Returns are complete and accurate in all material
     respects, (B) all Taxes shown to be due on the Tax Returns referred to in
     clause (A) have been paid in full, (C) all Taxes that Company or any of its
     Subsidiaries is obligated to withhold from amounts owing to any employee,
     creditor or third party have been paid over to the proper Governmental
     Authority in a timely manner, to the extent due and payable, (D) the Tax
     Returns referred to in clause (A) have been examined by the Internal
     Revenue Service or the appropriate Tax authority or the period for
     assessment of the Taxes in respect of which such Tax Returns were required
     to be filed has expired, (E) all deficiencies asserted or assessments made
     as a result of such examinations have been paid in full, (F) no issues that
     have been raised by the relevant taxing authority in connection with the
     examination of any of the Tax Returns referred to in clause (A) are
     currently pending, and (G) no extensions or waivers of statutes of
     limitation have been given by or requested with respect to any Taxes of
     Company or its Subsidiaries. Company has made available to Zions true and
     correct copies of the United States federal income Tax Returns filed by
     Company and its Subsidiaries for each of the three most recent fiscal years
     ended on or before December 31, 1998. Neither Company nor any of its
     Subsidiaries has any liability with respect to Taxes that accrued on or
     before the end of the most recent period covered by Company's Regulatory
     Documents filed prior to the date hereof in excess of the amounts accrued
     with respect thereto that are reflected in the financial statements
     included in Company's Regulatory Documents filed on or prior to the date
     hereof. Neither Company nor any of its Subsidiaries is a party to any Tax
     allocation or sharing agreement, is or has been a


                                      -25-

<PAGE>

     member of an affiliated group filing consolidated or combined Tax returns
     (other than a group the common parent of which is or was Company) or
     otherwise has any liability for the Taxes of any person (other than Company
     and its Subsidiaries). As of the date hereof, neither Company nor any of
     its Subsidiaries has any reason to believe that any conditions exist that
     might prevent or impede the Merger from qualifying as a reorganization
     within the meaning of Section 368 of the Code. No Liens for Taxes exist
     with respect to any of the assets or properties of Company or its
     Subsidiaries, except for statutory Liens for Taxes not yet due and payable
     or that are being contested in good faith and reserved for in accordance
     with United States generally accepted accounting principles. Neither of
     Company nor any of its Subsidiaries has been a party to any distribution
     occurring during the last three (3) years in which the parties to such
     distribution treated the distribution as one to which Section 355 of the
     Code applied.

         (ii) No Tax is required to be withheld pursuant to Section 1445 of the
     Code as a result of the transfer contemplated by this Agreement.

         (q) RISK MANAGEMENT INSTRUMENTS. All interest rate swaps, caps, floors,
     option agreements, futures and forward contracts and other similar risk
     management arrangements, whether entered into for Company's own account, or
     for the account of one or more of Company's Subsidiaries or their customers
     (all of which are listed on Company's Disclosure Schedule), if any, were
     entered into (i) in accordance with prudent business practices and all
     applicable laws, rules, regulations and regulatory policies and (ii) with
     counterparties believed to be financially responsible at the time; and each
     of them constitutes the valid and legally binding obligation of Company or
     one of its Subsidiaries, enforceable in accordance with its terms (except
     as enforceability may be limited by applicable bankruptcy, insolvency,
     reorganization, moratorium, fraudulent transfer and similar laws of general
     applicability relating to or affecting creditors' rights or by general
     equity principles), and are in full force and effect. Neither Company nor
     its Subsidiaries, nor to Company's knowledge, any other party thereto, is
     in breach of any of its obligations under any such agreement or
     arrangement.

         (r) BOOKS AND RECORDS. The books and records of Company and its
     Subsidiaries have been fully, properly and accurately maintained in all
     material respects, and there are no material inaccuracies or discrepancies
     of any kind contained or reflected therein, and they fairly present the
     financial position of Company and its Subsidiaries.

         (s) INSURANCE. Company has Previously Disclosed all of the insurance
     policies, binders, or bonds maintained by Company or its Subsidiaries
     ("INSURANCE POLICIES"). Company and its Subsidiaries are insured with
     reputable insurers against such risks and in such amounts as the management
     of Company reasonably has determined to be prudent in accordance with
     industry practices. All the Insurance Policies are in full force and
     effect; Company and its Subsidiaries are not in material default
     thereunder; and all claims thereunder for which a


                                      -26-

<PAGE>

     basis is known, or reasonably should be known, by Company have been filed
     in due and timely fashion.

         (t) ACCOUNTING TREATMENT. As of the date hereof, to the Company's
     knowledge, there is no reason why the Merger will fail to qualify for
     "pooling of interests" accounting treatment.

         (u) YEAR 2000. To the knowledge of Company, the mission critical
     computer software operated by Company and/or any of its Subsidiaries is
     currently capable of providing, or is being adapted to provide,
     uninterrupted millennium functionality to record, store, process and
     present calendar dates falling on or after January 1, 2000 in substantially
     the same manner and with substantially the same functionality as such
     mission critical software records, stores, processes and presents such
     calendar dates falling on or before December 31, 1999. To the knowledge of
     the Company, the costs of adaptations referred to in this clause will not
     have a Material Adverse Effect with respect to Company. Neither the Company
     nor any of its Subsidiaries has received, and does not reasonably expect to
     receive, any deficiency notice from any federal or California banking
     authority. Company has Previously Disclosed to Zions a complete and
     accurate copy of its and its Subsidiaries' plan, including an estimate of
     anticipated associated costs, for addressing the issues set forth in all
     Federal Financial Institutions Examination Council Interagency Statements
     as such issues affect Company and/or its Subsidiaries. Between the date of
     this Agreement and the Effective Time, Company and Company Bank shall use
     commercially reasonable and practicable efforts to implement such plan.

         V.4 REPRESENTATIONS AND WARRANTIES OF ZIONS. Subject to Section 5.02,
Zions hereby represents and warrants to Company as follows:

         (a) ORGANIZATION, STANDING AND AUTHORITY. Zions is duly organized,
     validly existing and in good standing under the laws of the State of Utah.
     Zions is duly qualified to do business and is in good standing in the
     states of the United States and foreign jurisdictions where its ownership
     or leasing of property or assets or the conduct of its business requires it
     to be so qualified. Zions has in effect all federal, state, local, and
     foreign governmental authorizations necessary for it to own or lease its
     properties and assets and to carry on its business as it is now conducted.

         (b) ZIONS CAPITAL STOCK. As of the date hereof, the authorized capital
     stock of Zions consists solely of 200,000,000 shares of Zions Common Stock,
     of which no more than 80,000,000 shares were outstanding as of the date
     hereof and 3,000,000 shares of Zions Preferred Stock, of which no shares
     were outstanding as of the date hereof.


                                      -27-

<PAGE>

         (c) CORPORATE POWER. Zions and each of its Significant Subsidiaries has
     the corporate power and authority to carry on its business as it is now
     being conducted and to own all its properties and assets; and Zions has the
     corporate power and authority to execute, deliver and perform its
     obligations under this Agreement and to consummate the transactions
     contemplated hereby.

         (d) CORPORATE AUTHORITY. This Agreement and the transactions
     contemplated hereby have been authorized by all necessary corporate action
     of Zions and the Zions Board. This Agreement is a valid and legally binding
     agreement of Zions enforceable in accordance with its terms (except as
     enforceability may be limited by applicable bankruptcy, insolvency,
     reorganization, moratorium, fraudulent transfer and similar laws of general
     applicability relating to or affecting creditors' rights or by general
     equity principles).

         (e) REGULATORY APPROVALS; NO DEFAULTS. (i) No consents or approvals of,
     or filings or registrations with, any Governmental Authority or with any
     third party are required to be made or obtained by Zions or any of its
     Subsidiaries in connection with the execution, delivery or performance by
     Zions of this Agreement or to consummate the Merger except for (A) the
     filing of applications and notices, as applicable, with the federal and
     state banking authorities; (B) approval of the listing on the NASDAQ of
     Zions Common Stock to be issued in the Merger; (C) the filing and
     declaration of effectiveness of the Registration Statement; (D) the filing
     of articles of merger with the Corporation Division pursuant to the UBCA
     and an agreement of merger with the California Secretary pursuant to the
     CGCL; (E) such filings as are required to be made or approvals as are
     required to be obtained under the securities or "Blue Sky" laws of various
     states in connection with the issuance of Zions Common Stock in the Merger;
     and (F) receipt of the approvals set forth in Section 7.01(b). As of the
     date hereof, Zions has no knowledge of any reason why the approvals set
     forth in Section 7.01(b) will not be received without the imposition of a
     condition, restriction or requirement of the type described in Section
     7.01(b).

         (ii) Subject to receipt of the regulatory approvals referred to in the
     preceding paragraph and expiration of the related waiting periods, and
     required filings under federal and state securities laws, the execution,
     delivery and performance of this Agreement and the consummation of the
     transactions contemplated hereby do not and will not (A) constitute a
     breach or violation of, or a default under, or give rise to any Lien, any
     acceleration of remedies or any right of termination under, any law, rule
     or regulation or any judgment, decree, order, governmental permit or
     license, or agreement, indenture or instrument of Zions or of any of its
     Subsidiaries or to which Zions or any of its Subsidiaries or properties is
     subject or bound, (B) constitute a breach or violation of, or a default
     under, the certificate of incorporation or by-laws (or similar governing
     documents) of Zions or any of its Subsidiaries, or (C) require any consent
     or approval under any such law, rule, regulation, judgment, decree, order,
     governmental permit or license, agreement, indenture or instrument.


                                      -28-

<PAGE>

         (f) FINANCIAL REPORTS AND REGULATORY DOCUMENTS; MATERIAL ADVERSE
     EFFECT. (i) Zions' Regulatory Documents (of the types specified in Section
     5.03(g)), as of the date filed, (A) complied or will comply in all material
     respects as to form with the applicable requirements under the Securities
     Act or the Exchange Act, as the case may be, and (B) did not and will not
     contain any untrue statement of a material fact or omit to state a material
     fact required to be stated therein or necessary to make the statements
     therein, in the light of the circumstances under which they were made, not
     misleading; and each of the balance sheets contained in or incorporated by
     reference into any such Regulatory Document (including the related notes
     and schedules thereto) fairly presents, or will fairly present, the
     financial position of Zions and its Subsidiaries as of its date, and each
     of the statements of income and changes in shareholders' equity and cash
     flows or equivalent statements in such Regulatory Documents (including any
     related notes and schedules thereto) fairly presents, or will fairly
     present, the results of operations, changes in shareholders' equity and
     changes in cash flows, as the case may be, of Zions and its Subsidiaries
     for the periods to which they relate, in each case in accordance with
     generally accepted accounting principles consistently applied during the
     periods involved, except in each case as may be noted therein, subject to
     normal year-end audit adjustments in the case of unaudited statements.

         (ii) Since December 31, 1998, no event has occurred or circumstance
     arisen that, individually or taken together with all other facts,
     circumstances and events (described in any paragraph of Section 5.04 or
     otherwise), is reasonably likely to have a Material Adverse Effect with
     respect to Zions.

         (g) NO BROKERS. No action has been taken by Zions that would give rise
     to any valid claim against any party hereto for a brokerage commission,
     finder's fee or other like payment with respect to the transactions
     contemplated by this Agreement or the Agreement of Bank Merger.

         (h) ACCOUNTING TREATMENT; TAX MATTERS. As of the date hereof, Zions has
     no knowledge of any reason why the Merger will fail to qualify for "pooling
     of interests" accounting treatment. As of the date hereof, neither Zions
     nor any of its Subsidiaries has any reason to believe that any conditions
     exist that might prevent or impede the Merger from qualifying as a
     reorganization within the meaning of Section 368 of the Code.

         (i) REGULATORY MATTERS. (i) Neither Zions nor any of its Subsidiaries
     or any of their properties is a party to or is subject to any order,
     decree, agreement, memorandum of understanding or similar arrangement with,
     or a commitment letter or similar submission to, or extraordinary
     supervisory letter from, any Regulatory Authority, which individually or in
     the aggregate would have a Material Adverse Effect on Zions.


                                      -29-

<PAGE>

         (ii) Neither Zions nor any of its Subsidiaries has been advised by any
     Regulatory Authority that such Regulatory Authority is contemplating
     issuing or requesting (or is considering the appropriateness of issuing or
     requesting) any such order, decree, agreement, memorandum of understanding,
     commitment letter, supervisory letter or similar submission.

         (j) COMPLIANCE WITH LAWS. Zions and each of its Subsidiaries:

         (i) is in compliance with all applicable federal, state, local and
     foreign statutes, laws, regulations, ordinances, rules, judgments, orders
     or decrees applicable thereto or to the employees conducting such
     businesses, including, without limitation, the Equal Credit Opportunity
     Act, the Fair Housing Act, the Community Reinvestment Act, the Home
     Mortgage Disclosure Act and all other applicable fair lending laws and
     other laws relating to discriminatory business practices;

         (ii) has all permits, licenses, authorizations, orders and approvals
     of, and has made all filings, applications and registrations with, all
     Governmental Authorities that are required to permit them to own or lease
     their properties and to conduct their businesses as presently conducted;
     all such permits, licenses, certificates of authority, orders and approvals
     are in full force and effect and, to Zions' knowledge, no suspension or
     cancellation of any of them is threatened; and

         (iii) has received, since December 31, 1998, no notification or
     communication from any Governmental Authority (A) asserting that Zions or
     any of its Subsidiaries is not in compliance with any of the statutes,
     regulations or ordinances which such Governmental Authority enforces or (B)
     threatening to revoke any license, franchise, permit or governmental
     authorization (nor, to Zions' knowledge, do any grounds for any of the
     foregoing exist).


                                   ARTICLE VI

                                    COVENANTS

         VI.1 REASONABLE BEST EFFORTS. Subject to the terms and conditions of
this Agreement, each of Company, Company Bank and Zions agrees to use its
reasonable best efforts in good faith to take, or cause to be taken, all
actions, and to do, or cause to be done, all things necessary, proper or
desirable, or advisable under applicable laws, so as to permit consummation of
each of the Merger and the Bank Merger as promptly as practicable and otherwise
to enable consummation of the transactions contemplated hereby and shall
cooperate fully with the other party hereto to that end.


                                      -30-

<PAGE>

         VI.2 SHAREHOLDER APPROVAL. Company agrees to take, in accordance with
applicable law and the Company Articles and the Company By-Laws, all action
necessary to convene an appropriate meeting of its shareholders to consider and
vote upon the approval and adoption of this Agreement and any other matters
required to be approved by Company's shareholders for consummation of the Merger
(including any adjournment or postponement, the "COMPANY MEETING"), in each case
as promptly as reasonably practicable after the Registration Statement is
declared effective. Except to the extent otherwise permitted pursuant to Section
6.06, the Company Board shall recommend at the Company Meeting that all such
matters be approved by its shareholders, shall not cancel the Company Meeting
and Company shall take all reasonable, lawful action to solicit such approval by
its shareholders.

         VI.3 REGISTRATION STATEMENTS. (a) Zions agrees to prepare a
registration statement on Form S-4 or other applicable form (the "REGISTRATION
STATEMENT") to be filed by Zions with the SEC in connection with the issuance of
Zions Common Stock in the Merger (including the proxy statement and prospectus
and other proxy solicitation materials of Company constituting a part thereof
(the "PROXY STATEMENT") and all related documents). Company agrees to cooperate,
and to cause its Subsidiaries to cooperate, with Zions, its counsel and its
accountants, in preparation of the Registration Statement and the Proxy
Statement. Company agrees to file the Proxy Statement in preliminary form with
the SEC as soon as reasonably practicable, and Zions agrees to file the
Registration Statement with the SEC as soon as reasonably practicable after any
SEC comments with respect to the preliminary Proxy Statement are resolved. Each
of Company and Zions agrees to use all reasonable efforts to cause the
Registration Statement to be declared effective under the Securities Act as
promptly as reasonably practicable after filing thereof. Zions also agrees to
use all reasonable efforts to obtain all necessary state securities law or "Blue
Sky" permits and approvals required to carry out the transactions contemplated
by this Agreement. Company agrees to use its best efforts to furnish to Zions
all information concerning Company, its Subsidiaries, officers, directors and
shareholders as may be reasonably requested in connection with the foregoing.

         (b) Each of Company, Company Bank and Zions agrees, as to itself and
     its Subsidiaries, that the information supplied or to be supplied by it for
     inclusion or incorporation by reference in (i) the Registration Statement
     will not, at the time the Registration Statement and each amendment or
     supplement thereto, if any, becomes effective under the Securities Act,
     contain any untrue statement of a material fact or omit to state any
     material fact required to be stated therein or necessary to make the
     statements therein not misleading, and (ii) the Proxy Statement and any
     amendment or supplement thereto will not, at the date of mailing to
     shareholders and at the time of the Company Meeting, contain any untrue
     statement of a material fact or omit to state any material fact required to
     be stated therein or necessary to make the statements therein, in light of
     the circumstances under which they were made, not misleading. Each of
     Company, Company Bank and Zions further agrees that if it shall become
     aware prior to the Effective Date of any information furnished by it


                                      -31-

<PAGE>

     that would cause any of the statements in the Proxy Statement to be false
     or misleading with respect to any material fact, or to omit to state any
     material fact necessary to make the statements therein, in light of the
     circumstances under which they were made, not false or misleading, promptly
     to inform the other party thereof and to take the necessary steps to
     correct the Proxy Statement.

         (c) Zions agrees to advise Company, promptly after Zions receives
     notice thereof, of the time when the Registration Statement has become
     effective or any supplement or amendment has been filed, of the issuance
     of any stop order or the suspension of the qualification of Zions Common
     Stock for offering or sale in any jurisdiction, of the initiation or threat
     of any proceeding for any such purpose, or of any request by the SEC for
     the amendment or supplement of the Registration Statement or for additional
     information.

         VI.4 PRESS RELEASES. Each of Company, Company Bank and Zions agrees
that it will not, without the prior approval of the other party, issue any press
release or written statement for general circulation relating to the
transactions contemplated hereby, except as otherwise required by applicable law
or regulation or NASDAQ rules (provided that the issuing party shall
nevertheless provide the other party with notice of, and the opportunity to
review, any such press release or written statement).

         VI.5 ACCESS; INFORMATION. (a) Each of Company, Company Bank and Zions
agrees that upon reasonable notice and subject to applicable laws relating to
the exchange of information, each party shall afford the other party and the
other party's officers, employees, counsel, accountants and other authorized
representatives, such access during normal business hours throughout the period
prior to the Effective Time to its books, records (including, without
limitation, tax returns and work papers of independent auditors), properties,
personnel and to such other information as the requesting party may reasonably
request and, during such period, the providing party shall furnish promptly to
the requesting party (i) a copy of each material report, schedule and other
document filed by it pursuant to the requirements of federal or state securities
or banking laws, and (ii) all other information concerning the business,
properties and personnel of it as the requesting party may reasonably request.

         (b) Each party agrees that it will not, and will cause its
     representatives not to, use any information obtained pursuant to this
     Section 6.05 (as well as any other information obtained prior to the date
     hereof in connection with the entering into of this Agreement) for any
     purpose unrelated to the consummation of the transactions contemplated by
     this Agreement. Subject to the requirements of law, each party will keep
     confidential, and will cause its representatives to keep confidential, all
     information and documents obtained pursuant to this Section 6.05 (as well
     as any other information obtained prior to the date hereof in connection
     with the entering into of this Agreement) unless such information (i) was
     already known to such party, (ii) becomes available to such party from
     other sources not known by such party


                                      -32-

<PAGE>

     to be bound by a confidentiality obligation, (iii) is disclosed with the
     prior written approval of the providing party or (iv) is or becomes readily
     ascertainable from publicly available sources. In the event that this
     Agreement is terminated or the transactions contemplated by this Agreement
     shall otherwise fail to be consummated, each party shall promptly cause all
     copies of documents or extracts thereof containing information and data as
     to the other party to be returned to the other party. No investigation by
     either party of the business and affairs of the other party shall affect or
     be deemed to modify or waive any representation, warranty, covenant or
     agreement in this Agreement, or the conditions to either party's obligation
     to consummate the transactions contemplated by this Agreement.

         VI.6 ACQUISITION PROPOSALS.

         (a) From the date hereof until the earlier of the Effective Time or the
termination of this Agreement in accordance with its terms, Company shall not,
nor shall it permit any of its Affiliates or Subsidiaries to, nor shall it
authorize or permit any of its respective officers, directors, employees,
representatives or agents (collectively, the "COMPANY REPRESENTATIVES") directly
or indirectly, to (i) solicit, facilitate, initiate or encourage, or take any
action to solicit, facilitate, initiate or encourage, any inquiries or the
making of any proposal or offer that constitutes an Acquisition Proposal or (ii)
participate or engage in discussions or negotiations with, or provide any
information to, any Person concerning an Acquisition Proposal or which might
reasonably be expect to result in an Acquisition Proposal. Company shall
immediately cease and cause to be terminated and shall cause all Company
Representatives to terminate all existing discussions or negotiations with any
Person conducted heretofore with respect to, or that could reasonably be
expected to lead to, an Acquisition Proposal. Company shall promptly notify all
Company Representatives of its obligations under this Section 6.06.

         (b) Notwithstanding the foregoing, Company may participate in
discussions or negotiations with, or furnish information with respect to Company
pursuant to a confidentiality agreement with terms no less favorable to Company
than those in effect between Company and Zions to any Person if and only if (x)
such Person has submitted an unsolicited BONA FIDE written Acquisition Proposal
to the Company Board and (y) neither Company nor any of Company Representatives
shall have violated Section 6.06(a) and the Company Board (i) believes in good
faith based on such matters as it deems relevant, including the advice of
Company's financial advisor, that such Acquisition Proposal constitutes a
Superior Proposal and (ii) receives a written opinion of outside counsel to the
effect that, and based on such advice the Company Board determines by a majority
vote in its good faith judgment that, taking such action is required to satisfy
the fiduciary duties of the Company Board under applicable law and (iii)
provides prior written notice to Zions of its decision to so participate or
furnish.

         (c) Except as set forth in the following sentence, neither the Company
Board nor any committee thereof shall (1) approve or recommend, or propose to
approve or recommend, any


                                      -33-

<PAGE>

Acquisition Proposal other than the Merger and the Bank Merger, (2) withdraw or
modify or propose to withdraw or modify in a manner adverse to Zions its
approval or recommendation of the Merger, this Agreement or the transactions
contemplated hereby, (3) enter, or cause any Subsidiary to enter, into any
letter of intent, agreement in principle, acquisition agreement or other similar
agreement related to any Acquisition Proposal, or (4) resolve or announce its
intention to do any of the foregoing. The immediately preceding sentence
notwithstanding, in the event that prior to the Company Meeting the Company
Board receives a Superior Proposal, the Company Board may (i) approve or
recommend, or propose to approve or recommend, such Superior Proposal, (ii)
withdraw or modify, or propose to withdraw or modify, in a manner adverse to
Zions its recommendation of the Merger, this Agreement or the transactions
contemplated hereby, or (iii) resolve or announce its intention to do any the
actions set forth in the preceding clauses (i) and (ii), if (x) the Company
Board receives a written opinion of outside counsel to the effect that, and
based on such advice of outside counsel the Company Board determines by a
majority vote of directors in their good faith judgment that, taking such action
is required to satisfy the fiduciary duties of such directors and (y) Company
furnishes Zions two (2) Business Days' prior written notice of the taking of
such action (which notice shall include a description of the material terms and
conditions of the Superior Proposal and identify the person making the same).

         (d) In addition to the other obligations of Company set forth in this
Section 6.06, Company shall immediately advise Zions orally and in writing of
any request for information with respect to any Acquisition Proposal, or any
inquiry with respect to or which could result in an Acquisition Proposal, the
material terms and conditions of such request, Acquisition Proposal or inquiry,
and the identity of the person making the same. Company shall inform Zions on a
prompt and current basis of the status and content of any discussions regarding
any Acquisition Proposal with a third party and as promptly as practicable of
any change in the price, structure or form of the consideration or material
terms of and conditions regarding any Acquisition Proposal or of any other
developments or circumstances which could reasonably be expected to culminate in
the taking of any of the actions referred to in Section 6.06(c).

         VI.7 AFFILIATE AGREEMENTS. (a) Not later than the 15th day prior to the
mailing of the Proxy Statement, Company shall deliver to Zions a schedule of
each person that, to the best of its knowledge, is or is reasonably likely to
be, as of the date of the Company Meeting, deemed to be an "affiliate" of
Company (each, a "COMPANY AFFILIATE") as that term is used in Rule 145 under the
Securities Act or SEC Accounting Series Releases 130 and 135.

         (b) Company shall use its reasonable best efforts to cause each person
     who may be deemed to be a Company Affiliate to execute and deliver to Zions
     on or before the date of mailing of the Proxy Statement an agreement in the
     form attached hereto as EXHIBIT C.

         VI.8 [RESERVED].


                                      -34-

<PAGE>

         VI.9 CERTAIN POLICIES. After all conditions to the consummation of the
Merger set forth in Article VII have been satisfied or waived, Company and
Company Bank shall, consistent with generally accepted accounting principles and
on a basis mutually satisfactory to them and Zions, modify and change its loan,
litigation and real estate valuation policies and practices (including loan
classifications and levels of reserves) so as to be applied on a basis that is
consistent with that of Zions.

         VI.10 NASDAQ LISTING. Zions agrees to use its reasonable best efforts
to list, prior to the Effective Date, on the NASDAQ, subject to official notice
of issuance, the shares of Zions Common Stock to be issued to the holders of
Company Common Stock in the Merger.

         VI.11 REGULATORY APPLICATIONS. (a) Zions, Company and Company Bank and
their respective Subsidiaries shall cooperate and use their respective
reasonable best efforts to prepare all documentation, to effect all filings and
to obtain all permits, consents, approvals and authorizations of all third
parties and Governmental Authorities necessary to consummate the transactions
contemplated by this Agreement. Zions, Company and Company Bank shall use their
reasonable best efforts to make all required bank regulatory filings, including
the appropriate filing with the Federal Reserve, within 30 days after the date
hereof. Each of Zions, Company and Company Bank shall have the right to review
in advance, and to the extent practicable each will consult with the other, in
each case subject to applicable laws relating to the exchange of information,
with respect to all material written information submitted to any third party or
any Governmental Authority in connection with the transactions contemplated by
this Agreement. In exercising the foregoing right, each of the parties hereto
agrees to act reasonably and as promptly as reasonably practicable. Each party
hereto agrees that it will consult with the other party hereto with respect to
the obtaining of all material permits, consents, approvals and authorizations of
all third parties and Governmental Authorities necessary or advisable to
consummate the transactions contemplated by this Agreement and each party will
keep the other party appraised of the status of material matters relating to
completion of the transactions contemplated hereby.

         (b) Each party agrees, upon request, to use its best efforts to furnish
     the other party with all information concerning itself, its Subsidiaries,
     directors, officers and shareholders and such other matters as may be
     reasonably necessary or advisable in connection with any filing, notice or
     application made by or on behalf of such other party or any of its
     Subsidiaries to any third party or Governmental Authority.

         VI.12 INDEMNIFICATION; DIRECTOR AND OFFICERS' INSURANCE. (a) From and
after the Effective Time through the fourth anniversary of the Effective Date,
Zions agrees to indemnify and hold harmless each present and former director and
officer of Company or any Subsidiary of Company determined as of the Effective
Time (the "INDEMNIFIED PARTIES"), against any costs or expenses (including
reasonable attorneys' fees), judgments, fines, losses, claims, damages or


                                      -35-

<PAGE>

liabilities (collectively, "COSTS") incurred in connection with any claim,
action, suit, proceeding or investigation, whether civil, criminal,
administrative or investigative, arising out of matters existing or occurring at
or prior to the Effective Time (including with respect to this Agreement or any
of the transactions contemplated hereby) (but excluding any Costs arising out of
any violation or alleged violation of the Exchange Act or the rules and
regulations thereunder with respect to insider trading), whether asserted,
claimed or arising prior to, at or after the Effective Time, to the extent to
which such Indemnified Parties were entitled under California law and the
Company Articles or the Company By-Laws in effect on the date hereof, and Zions
shall also advance expenses as incurred to the extent permitted under California
law and the Company Articles and the Company By-Laws.

         (b For a period of four years after the Effective Time, Zions shall use
     its reasonable best efforts to cause to be maintained in effect the current
     policies of directors' and officers' liability insurance maintained by
     Company (provided that Zions may substitute therefor policies of comparable
     coverage with respect to claims arising from facts or events which occurred
     before the Effective Time); PROVIDED, HOWEVER, that in no event shall Zions
     be obligated to expend, in order to maintain or provide insurance coverage
     pursuant to this Section 6.12(b), any amount per annum in excess of 150% of
     the amount of the annual premiums paid as of the date hereof by Company for
     such insurance (the "MAXIMUM AMOUNT"). If the amount of the annual premiums
     necessary to maintain or procure such insurance coverage exceeds the
     Maximum Amount, Zions shall use all reasonable efforts to maintain the most
     advantageous policies of directors' and officers' insurance obtainable for
     an annual premium equal to the Maximum Amount. Notwithstanding the
     foregoing, prior to the Effective Time, Zions may request Company to, and
     Company shall, purchase insurance coverage, on such terms and conditions as
     shall be acceptable to Zions, extending for a period of four years
     Company's directors' and officers' liability insurance coverage in effect
     as of the date hereof (covering past or future claims with respect to
     periods before the Effective Time) and such coverage shall satisfy Zions'
     obligations under this subsection (b).

         VI.13 BENEFIT PLANS. Zions shall, from and after the Effective Time,
(i) honor in accordance with their terms all agreements set forth in Company and
Company Bank Disclosure Schedule 6.13 and (ii) provide former employees of
Company who remain as employees of Zions with employee benefit plans no less
favorable in the aggregate than those provided to similarly situated employees
of Zions (including the medical and health benefits available to other similarly
situated employees of Zions and coverage of any pre-existing health or medical
conditions covered by Company benefit plans), subject, with respect to any
executive officer of Company, to the terms of any agreement(s) entered into by
or among that executive officer and Zions and/or California Bank & Trust on the
date of this Agreement or otherwise prior to the Effective Time, specifically
modifying, replacing or relinquishing some or all of his agreements, benefits or
plans. If any employee of Company or any Subsidiary of Company becomes a
participant in any employee benefit plan of the Surviving Corporation, such
employee shall be


                                      -36-

<PAGE>

given credit under such plan for all service prior to the Effective Date with
Company or such Subsidiary of Company for purposes of eligibility and vesting,
but not for benefit accrual purposes, to the same extent such service is taken
into account or recognized under the applicable employee benefit plan of Company
or its Subsidiaries. Company shall terminate its existing 401(k) plan and
Employee Stock Ownership Plan on or before the Effective Date.

         VI.14 ACCOUNTANTS' LETTERS. Each of Company and Zions shall use its
reasonable best efforts to cause to be delivered to the other party a letter of
their respective independent auditors, dated (i) the date on which the
Registration Statement shall become effective and (ii) a date shortly prior to
the Effective Date, and addressed to such other party, in form and substance
reasonably satisfactory and customary for "comfort" letters delivered by
independent accountants in accordance with Statement of Accounting Standards
No. 72.

         VI.15 NOTIFICATION OF CERTAIN MATTERS. Each of Company and Zions shall
give prompt notice to the other of any fact, event or circumstance known to it
that (i) is reasonably likely, individually or taken together with all other
facts, events and circumstances known to it, to result in any Material Adverse
Effect with respect to it or (ii) would cause or constitute a material breach of
any of its representations, warranties, covenants or agreements contained
herein.

         VI.16 SHAREHOLDER AGREEMENTS. The directors and certain officers and
shareholders of Company, in their capacities as shareholders, in exchange for
good and valuable consideration, have executed and delivered to Zions
shareholder agreements substantially in the form of EXHIBIT D hereto (the
"SHAREHOLDER AGREEMENTS"), committing such persons, among other things, (i) to
vote their shares of Company Common Stock in favor of the Agreement at the
Company Meeting, (ii) to certain representations concerning the ownership of
Company Common Stock and Zions Common Stock to be received in the Merger and
(iii) certain other matters.

         6.17 BANK MERGER. The Company and the Company Bank shall, at the
request of Zions (i) take all necessary corporate and other action, to adopt and
approve the Bank Merger; (ii) execute, deliver and, where appropriate, file any
and all documents necessary or desirable to permit the Bank Merger immediately
following consummation of the Merger; and (iii) take and cause to be taken any
other action to permit the consummation of any transactions contemplated in
connection with the Bank Merger. Neither the Company nor the Company Bank shall
take any action that would prevent performance of the Agreement of Bank Merger
or any other transactions contemplated in connection with the Bank Merger. Zions
and California Bank & Trust may at any time prior to the Effective Time of the
Bank Merger change the method of effecting the combination of California Bank &
Trust with the Company Bank (including, without limitation, this Section 6.17)
if and to the extent it deems such change to be necessary, appropriate or
desirable; PROVIDED, HOWEVER, that no such change shall (i) alter or change the
amount or kind of Merger Consideration to be issued to the holders of the
Company Stock as provided for in this Agreement, (ii) adversely affect the tax
treatment of the Company's


                                      -37-

<PAGE>

shareholders as a result of receiving the Merger Consideration, including,
without limitation, any adverse effect upon the tax-free treatment, holding
period or tax basis, or (iii) materially impeded or delay consummation of the
transactions contemplated by this Agreement.

         6.18 REPORTING. Zions shall publish thirty (30) days of post-Merger
results of combined operations as soon as reasonably practicable, but not later
than eighty-five (85) days after the Effective Date.


                                   ARTICLE VII

                    CONDITIONS TO CONSUMMATION OF THE MERGER

         VII.1 CONDITIONS TO EACH PARTY'S OBLIGATION TO EFFECT THE MERGER. The
respective obligation of each of Zions and Company to consummate the Merger is
subject to the fulfillment or written waiver by Zions and Company prior to the
Effective Time of each of the following conditions:

         (a) SHAREHOLDER APPROVALS. This Agreement and the Merger shall have
     been duly adopted by the requisite vote of the shareholders of Company.

         (b) REGULATORY APPROVALS. All regulatory approvals required to
     consummate the Merger, the Bank Merger and the other transactions
     contemplated hereby shall have been obtained and shall remain in full force
     and effect and all statutory waiting periods in respect thereof shall have
     expired and no such approvals shall contain any conditions, restrictions or
     requirements which the Zions Board reasonably determines would (i)
     following the Effective Time, have a Material Adverse Effect with respect
     to the Surviving Corporation or (ii) impose upon Zions or the Surviving
     Corporation any materially burdensome terms or conditions. For purposes of
     this Section 7.01(b), no condition, restriction or requirement shall be
     deemed to be "materially burdensome" if such condition, restriction or
     requirement, considered individually or in the aggregate with all other
     such conditions, restrictions and requirements, does not materially differ
     from conditions, restrictions or requirements that have been imposed by the
     Federal Reserve or other Governmental Authorities in orders approving
     acquisitions by Zions in the past and compliance with such condition,
     restriction or requirement would not either (i) require the taking of any
     action inconsistent with the manner in which Zions or any of its
     Subsidiaries has conducted their businesses previously or (ii) have a
     Material Adverse Effect with respect to Zions or Company or (iii) preclude
     satisfaction of any of the conditions to consummation of the Merger.

         (c) NO INJUNCTION. No Governmental Authority of competent jurisdiction
     shall have enacted, issued, promulgated, enforced or entered any statute,
     rule, regulation, judgment,


                                      -38-

<PAGE>

     decree, injunction or other order (whether temporary, preliminary or
     permanent) which is in effect and prohibits consummation of the
     transactions contemplated by this Agreement.

         (d) REGISTRATION STATEMENT. The Registration Statement shall have
     become effective under the Securities Act and no stop order suspending the
     effectiveness of the Registration Statement shall have been issued and no
     proceedings for that purpose shall have been initiated or threatened by the
     SEC.

         VII.2 CONDITIONS TO OBLIGATION OF COMPANY. The obligation of Company to
consummate the Merger is also subject to the fulfillment or written waiver by
Company prior to the Effective Time of each of the following conditions:

         (a) REPRESENTATIONS AND WARRANTIES. The representations and warranties
     of Zions set forth in this Agreement (subject to the standard set forth in
     Section 5.02) shall be true and correct as of the date of this Agreement
     and as of the Effective Time as though made on and as of the Effective Date
     (except that representations and warranties that by their terms speak only
     as of the date of this Agreement or some other date shall be true and
     correct as of such date), and Company shall have received a certificate,
     dated the Effective Date, signed on behalf of Zions by an executive officer
     of Zions to such effect.

         (b) PERFORMANCE OF OBLIGATIONS OF ZIONS. Zions shall have performed in
     all material respects all obligations required to be performed by it under
     this Agreement at or prior to the Effective Time, and Company shall have
     received a certificate, dated the Effective Date, signed on behalf of Zions
     by an executive officer of Zions to such effect.

         (c) OPINION OF COMPANY'S ACCOUNTANTS. Company shall have received an
     opinion of KPMG LLP, dated the Effective Date, to the effect that, on the
     basis of facts, representations and assumptions set forth in such opinion,
     (i) the Merger will be treated for federal income tax purposes as a
     reorganization within the meaning of Section 368(a) of the Code, (ii) each
     of Zions and Company will be a party to that reorganization within the
     meaning of Section 368(b) of the Code, (iii) no gain or loss will be
     recognized by shareholders of Company who receive shares of Zions Common
     Stock in exchange for shares of Company Common Stock, except with respect
     to cash received in lieu of fractional share interests, (iv) the holding
     period of Zions Common Stock exchanged for shares of Company Common Stock
     will include the holding period of the Company Common Stock for which it is
     exchanged, assuming the shares of Company Common Stock are capital assets
     in the hands of the holder thereof at the Effective Time and (v) the basis
     of the Zions Common Stock received in the Merger will be the same as the
     basis of the Company Common Stock for which it is exchanged, less any basis
     attributable to fractional shares for which cash is received. In rendering
     its opinion, KPMG LLP may require and rely upon representations contained
     in letters from Company, Zions and shareholders of Company.


                                      -39-

<PAGE>

         (d) ACCOUNTANTS' LETTERS. Company shall have received the letters
     referred to in Section 6.14 from Zions' independent auditors.

         (e) LISTING. The shares of Zions Common Stock to be issued in the
     Merger shall have been approved for listing on the NASDAQ, subject to
     official notice of issuance.

         (f) FAIRNESS OPINION. Prior to the mailing of the Proxy Statement to
     the shareholders of Company, Company shall have received an opinion of The
     Findley Group dated the date of the Proxy Statement to the effect that, as
     of such date, the consideration to be received by the holders of Company
     Common Stock in the Merger is fair to the holders of Company Common Stock
     from a financial point of view.

         VII.3 CONDITIONS TO OBLIGATION OF ZIONS. The obligation of Zions to
consummate the Merger is also subject to the fulfillment or written waiver by
Zions prior to the Effective Time of each of the following conditions:

         (a) REPRESENTATIONS AND WARRANTIES. The representations and warranties
     of Company and Company Bank set forth in this Agreement (subject to the
     standard set forth in Section 5.02) shall be true and correct as of the
     date of this Agreement and as of the Effective Date as though made on and
     as of the Effective Time (except that representations and warranties that
     by their terms speak only as of the date of this Agreement or some other
     date shall be true and correct as of such date) and Zions shall have
     received a certificate, dated the Effective Date, signed on behalf of
     Company by an executive officer of Company and on behalf of Company Bank by
     on executive officer of Company Bank to such effect.

         (b) PERFORMANCE OF OBLIGATIONS OF COMPANY AND COMPANY BANK. Each of
     Company and Company Bank shall have performed in all material respects all
     obligations required to be performed by it under this Agreement at or prior
     to the Effective Time, and Zions shall have received a certificate, dated
     the Effective Date, signed on behalf of Company by an executive officer of
     Company and on behalf of Company Bank by an executive officer of Company
     Bank to such effect.

         (c) OPINION OF ZIONS' COUNSEL. Zions shall have received an opinion of
     Sullivan & Cromwell, special counsel to Zions, dated the Effective Date, to
     the effect that, on the basis of facts, representations and assumptions set
     forth in such opinion, (i) the Merger will be treated for federal income
     tax purposes as a reorganization within the meaning of Section 368(a) of
     the Code and (ii) each of Zions and Company will be a party to the
     reorganization within the meaning of Section 368(b) of the Code. In
     rendering its opinion, Sullivan & Cromwell may require and rely upon
     representations contained in letters from Company, Zions and shareholders
     of Company.


                                      -40-

<PAGE>

         (d) ACCOUNTANTS' LETTERS. Zions shall have received the letters
     referred to in Section 6.14 from Company's independent auditors.

         (e) ACCOUNTING TREATMENT. Zions shall have received from KPMG LLP,
     Zions' independent auditors, letters, dated the date of or shortly prior
     to each of the mailing date of the Proxy Statement and the Effective Date,
     stating its opinion that the Merger shall qualify for pooling-of-interests
     accounting treatment.

         (f) EMPLOYMENT AGREEMENT. Each of Steven F. Hertel and Robert Longatti
     shall have executed and delivered to Zions or its designee counterparts to
     the applicable form of employment agreement attached hereto as Exhibit E.


                                  ARTICLE VIII

                                   TERMINATION

         VIII.1 TERMINATION. This Agreement may be terminated, and the Merger
may be abandoned:

         (a) MUTUAL CONSENT. At any time prior to the Effective Time, by the
     mutual consent of Zions and Company, if the Board of Directors of each so
     determines by vote of a majority of the members of its entire Board.

         (b) BREACH. At any time prior to the Effective Time, by Zions or
     Company, if its Board of Directors so determines by vote of a majority of
     the members of its entire Board, in the event of either: (i) a breach by
     Company or Company Bank, on the one hand, or Zions, on the other, of any
     representation or warranty contained herein (subject to the standard set
     forth in Section 5.02), which breach cannot be or has not been cured within
     30 days after the giving of written notice to the breaching party of such
     breach; or (ii) a breach by Company or Company Bank, on the one hand, or
     Zions, on the other, of any of the covenants or agreements contained
     herein, which breach cannot be or has not been cured within 30 days after
     the giving of written notice to the breaching party of such breach,
     provided that such breach (whether under (i) or (ii)) would be reasonably
     likely, individually or in the aggregate with other breaches, to result in
     a Material Adverse Effect with respect to the breaching party.

         (c) DELAY. At any time prior to the Effective Time, by Zions or
     Company, if its Board of Directors so determines by vote of a majority of
     the members of its entire Board, in the event that the Merger is not
     consummated by December 31, 1999, except to the extent that the failure of
     the Merger then to be consummated arises out of or results from the knowing
     action or inaction of the party seeking to terminate pursuant to this
     Section 8.01(c).


                                      -41-

<PAGE>

         (d) NO APPROVAL. By Company or Zions, if its Board of Directors so
     determines by a vote of a majority of the members of its entire Board, in
     the event (i) the approval of any Governmental Authority required for
     consummation of the Merger and the other transactions contemplated by this
     Agreement shall have been denied by final nonappealable action of such
     Governmental Authority or (ii) the shareholder approval required by Section
     7.01(a) herein is not obtained at the Company Meeting.

         (e) FAILURE TO RECOMMEND, ETC. At any time prior to the Company
     Meeting, by Zions if the Company Board shall have failed to make its
     recommendation referred to in Section 6.02, withdrawn such recommendation
     or modified or changed such recommendation in a manner adverse in any
     respect to the interests of Zions.

         (f) BY ZIONS. By Zions, by written notice to Company, if Company
     takes, causes to be taken or allows to be taken any action that would be
     prohibited under Section 6.06 hereof.

         (g) BY COMPANY. By Company, by written notice to Zions prior to the
     approval by the shareholders of Company of the Merger and this Agreement,
     if (i) Company receives a Superior Proposal, (ii) the Company Board
     receives a written opinion of outside counsel to the effect that, and based
     on such advice the Company Board determines by a majority vote in its good
     faith judgment that, terminating this Agreement for the purpose of entering
     into an agreement with respect to such Superior Proposal is required to
     satisfy the fiduciary duties of the Company Board under applicable law and
     (iii) after receiving such advice, determines to accept such proposal;
     PROVIDED, HOWEVER, that Company shall not be entitled to terminate this
     Agreement pursuant to this clause (g) unless it shall have provided Zions
     with written notice of such a possible determination (which written notice
     will inform Zions of the material terms and conditions of the proposal,
     including the identity of the proponent) two Business Days prior to such
     determination.

         VIII.2 EFFECT OF TERMINATION AND ABANDONMENT. (a) In the event of
termination of this Agreement and the abandonment of the Merger pursuant to this
Article VIII, subject to the provisions of Section 8.02(b) and Section 8.02(c),
no party to this Agreement shall have any liability or further obligation to any
other party hereunder except (i) as set forth in Section 9.01 and (ii) that
termination will not relieve a breaching party from liability for any breach of
this Agreement prior to such termination.

         (b) If this Agreement shall be terminated (i) by Zions pursuant to
     Section 8.01(b) or 8.01(d)(ii) (and, at the time of the occurrence of the
     circumstance permitting termination pursuant to such Section, there shall
     exist an Acquisition Proposal with respect to Company or any of its
     Subsidiaries, which, in the event of a termination pursuant to Section
     8.01(d)(ii) shall have been publicly announced prior to the time of the
     Company Meeting) or


                                      -42-

<PAGE>

     Section 8.01(e) or Section 8.01(f) or (ii) by Company pursuant to Section
     8.01(d)(ii) (and, at the time of the occurrence of the circumstance
     permitting termination pursuant to such Section, there shall exist an
     Acquisition Proposal with respect to Company or any of its Subsidiaries
     that shall have been publicly announced prior to the time of the Company
     Meeting) or Section 8.01(g), then Company shall promptly pay to Zions a
     termination fee equal to $1.8 million, which (except in the case of
     termination pursuant to Section 8.01(f), in which case such amount shall
     offset any damages to Zions to the extent of payment) the parties agree
     shall represent liquidated and exclusive damages recoverable by Zions
     relating to the actions resulting in termination. Notwithstanding the
     foregoing, Zions shall not be entitled to any termination fee hereunder if
     Zions has exercised all or any part of the Option (as defined in the Stock
     Option Agreement).

         (c) Company and Zions agree that the agreements contained in paragraph
     (b) above are an integral part of the transactions contemplated by this
     Agreement, that without such agreements Zions would not have entered into
     this Agreement, and that such amount constitute reasonable liquidated
     damages and reasonable compensation to Zions for the loss sustained thereby
     and not a penalty. If Company fails to pay Zions the amount due under
     paragraph (b) within ten (10) Business Days of such termination, Company
     shall pay the costs and expenses (including legal fees and expenses)
     incurred by Zions in connection with any action, including the filing of
     any lawsuit, taken to collect payment of such amount, together with
     interest on the amount of any such unpaid amount at the publicly announced
     prime rate of Zions First National Bank from the date of such termination.


                                   ARTICLE IX

                                  MISCELLANEOUS

         IX.1 SURVIVAL. No representations, warranties, agreements and covenants
contained in this Agreement shall survive the Effective Time (other than
Sections 6.12 and 6.13 and this Article IX which shall survive the Effective
Time) or the termination of this Agreement if this Agreement is terminated prior
to the Effective Time (other than Sections 6.03(b), 6.05(b), 8.02, and this
Article IX which shall survive such termination).

         IX.2 WAIVER; AMENDMENT. Prior to the Effective Time, any provision of
this Agreement may be (i) waived by the party benefitted by the provision, or
(ii) amended or modified at any time, by an agreement in writing between the
parties hereto executed in the same manner as this Agreement, except that after
the Company Meeting, this Agreement may not be amended if it would violate the
CGCL or reduce the consideration to be received by Company shareholders in the
Merger.


                                      -43-

<PAGE>

         IX.3 COUNTERPARTS. This Agreement may be executed in one or more
counterparts, each of which shall be deemed to constitute an original.

         IX.4 GOVERNING LAW; WAIVER OF JURY TRIAL. This Agreement shall be
governed by, and interpreted in accordance with, the laws of the State of
California applicable to contracts made and to be performed entirely within such
State (except to the extent that mandatory provisions of Federal law or of the
UBCA are applicable). Each of the parties hereto hereby irrevocably waives any
and all right to trial by jury in any legal proceeding arising out of or related
to this Agreement or the transactions contemplated hereby. Venue for any action
between the parties to this Agreement shall be a court of competent jurisdiction
in the City of San Diego, California.

         IX.5 EXPENSES. Each party hereto will bear all expenses incurred by it
in connection with this Agreement and the transactions contemplated hereby.

         IX.6 NOTICES. All notices, requests and other communications hereunder
to a party shall be in writing and shall be deemed given if personally
delivered, telecopied (with confirmation) or mailed by registered or certified
mail (return receipt requested) to such party at its address set forth below or
such other address as such party may specify by notice to the parties hereto.

         If to Company, to:

              Regency Bancorp
              7060 North Fresno Street
              Fresno, California  93720
              Attention:  Steven Hertel
              Facsimile:  (559) 438-2699

         With a copy to:

              Coudert Brothers
              303 Almaden Blvd.
              Suite 500
              San Jose, California 95110
              Attention:  Glenn T. Dodd, Esq.
              Facsimile:  (408) 297-3191


                                      -44-

<PAGE>

         If to Zions, to:

              Zions Bancorporation
              One South Main, Suite 1380
              Salt Lake City, Utah  84111
              Attention:  Dale M. Gibbons
              Facsimile:  (801) 524-2129

         With a copy to:

              Sullivan & Cromwell
              1888 Century Park East
              Los Angeles, CA 90067
              Attention: Stanley F.  Farrar
              Facsimile:  (310) 712-8800

         IX.7 ENTIRE UNDERSTANDING; NO THIRD PARTY BENEFICIARIES. This Agreement
(together with all Exhibits hereto, the Company and Company Bank Disclosure
Schedules delivered in connection herewith and the Confidentiality Agreement,
dated February 17, 1999 by and between Zions and Company) represents the entire
understanding of the parties hereto with reference to the transactions
contemplated hereby and thereby and this Agreement supersedes any and all other
oral or written agreements heretofore made. Nothing in this Agreement expressed
or implied, is intended to confer upon any person, other than the parties hereto
or their respective successors, any rights, remedies, obligations or liabilities
under or by reason of this Agreement.

         IX.8 INTERPRETATION; EFFECT. When a reference is made in this Agreement
to Sections, Exhibits or Schedules, such reference shall be to a Section of, or
Exhibit or Schedule to, this Agreement unless otherwise indicated. The table of
contents and headings contained in this Agreement are for reference purposes
only and are not part of this Agreement. Whenever the words "include,"
"includes" or "including" are used in this Agreement, they shall be deemed to be
followed by the words "without limitation." No provision of this Agreement shall
be construed to require Company, Company Bank, Zions or any of their respective
Subsidiaries, affiliates or directors to take any action which would violate
applicable law (whether statutory or common law), rule or regulation.

                                 *     *     *


                                      -45-

<PAGE>


     IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed in counterparts by their duly authorized officers, all as of the day
and year first above written.


                                     REGENCY BANCORP

                                     By:
                                          -------------------------------
                                           Name:  Steven F. Hertel
                                           Title: Chairman, President and
                                                  Chief Executive Officer


                                     REGENCY BANK

                                     By:
                                          -------------------------------
                                           Name:  Steven F. Hertel
                                           Title: Chairman, President and
                                                  Chief Executive Officer


                                     ZIONS BANCORPORATION

                                     By:
                                          -------------------------------
                                           Name:  Dale M. Gibbons
                                           Title: Chief Financial Officer


                                      -46-


<PAGE>


                                                                     Exhibit 2.2


                             STOCK OPTION AGREEMENT


                  STOCK OPTION AGREEMENT, dated as of April 27, 1999 (this
"Agreement"), between Zions Bancorporation, a Utah corporation ("Grantee"), and
Regency Bancorp, a California corporation ("Issuer").

                                   WITNESSETH:

                  WHEREAS, Grantee and Issuer are entering into an Agreement and
Plan of Merger dated as of the date hereof (the "Plan"), which is being executed
by the parties simultaneously with the execution of this Agreement; and

                  WHEREAS, as a condition and inducement to Grantee's entering
into the Plan and in consideration therefor, Issuer has agreed to grant Grantee
the Option (as defined below);

                  NOW, THEREFORE, in consideration of the foregoing and the
mutual covenants and agreements set forth herein and in the Plan, the parties
hereto agree as follows:

                  SECTION 1. GRANT OF OPTION. (a) Subject to the terms and
conditions of this Agreement, Issuer hereby grants to Grantee an unconditional,
irrevocable option (the "Option") to purchase, subject to the terms hereof, up
to 522,374 fully paid and nonassessable shares of Common Stock, no par value per
share ("Common Stock"), of Issuer at a price per share equal to $17.08 (the
"Initial Price"); PROVIDED, HOWEVER, that in the event Issuer issues or agrees
to issue (other than pursuant to options and warrants to issue Common Stock
outstanding as of the date hereof) any shares of Common Stock at a price less
than the Initial Price (as adjusted pursuant to Section 5(b)), such price shall
be equal to such lesser price (such price, as adjusted as hereinafter provided,
the "Option Price"); and, PROVIDED FURTHER, HOWEVER, that in no event shall the
number of shares of Common Stock for which the Option is exercisable exceed
19.9% of the number of shares of Common Stock then issued and outstanding
without giving effect to any shares subject or issued pursuant to the Option.
The number of shares of Common Stock that may be received upon the exercise of
the Option and the Option Price are subject to adjustment as herein set forth.

                  (b) In the event that any additional shares of Common Stock
are issued or otherwise become outstanding after the date of this Agreement
(other than pursuant to

<PAGE>

this Agreement and other than pursuant to an event described in Section 5(a)
hereof), the number of shares of Common Stock subject to the Option shall be
increased so that after such issuance such number together with any shares of
Common Stock previously issued pursuant hereto equals 19.9% of the number of
shares of Common Stock then issued and outstanding without giving effect to any
shares subject or issued pursuant to the Option. Nothing contained in this
Section l(b) or elsewhere in this Agreement shall be deemed to authorize Issuer
to issue shares in breach of any provision of the Plan.

                  SECTION 2. EXERCISE OF OPTION.

                  (a) TIMING OF EXERCISE, TERMINATION. Provided that (i) Grantee
shall not be in material breach of the agreements or covenants contained in this
Agreement or the Plan and (ii) no preliminary or permanent injunction or other
order against delivery of shares covered by the Option issued by any court of
competent jurisdiction in the United States shall be in effect, Grantee may
exercise the Option, in whole or part, at any time and from time to time
following the occurrence of a Purchase Event (as defined below); PROVIDED that
the Option shall terminate and be of no further force and effect upon the
earliest to occur of:

                  (i) the time immediately prior to the Effective Time;

                  (ii) 12 months after the first occurrence of a Purchase Event;

                  (iii) 18 months after the termination of the Plan following 
         the occurrence of a Preliminary Purchase Event (as defined below);

                  (iv) termination of the Plan in accordance with the terms
         thereof prior to the occurrence of a Purchase Event or a Preliminary
         Purchase Event (other than a termination of the Plan by Grantee
         pursuant to Section 8.01(b)(i) or (ii) thereof or by Grantee and Issuer
         pursuant to Section 8.01(a) thereof if Grantee shall at that time have
         been entitled to terminate the Plan pursuant to Section 8.01(b)(i) or
         (ii) thereof (provided that the breach of Issuer giving rise to such
         termination or such right to terminate was willful) or by Grantee
         pursuant to Section 8.01(e) or Section 8.01(f)) thereof, or


                                      -2-

<PAGE>

                  (v) 18 months after the termination of the Plan by Grantee
         pursuant to Section 8.01(b)(i) or (ii) thereof or by Grantee and Issuer
         pursuant to Section 8.01(a) thereof if Grantee shall at that time have
         been entitled to terminate the Plan pursuant to Section 8.01(b)(i) or
         (ii) thereof (provided that the breach of Issuer giving rise to such
         termination or such right to terminate was willful) or by Grantee
         pursuant to Section 8.01(e) or Section 8.01(f) thereof.

The events described in clauses (i) - (v) in the preceding sentence are
hereinafter collectively referred to as an "Exercise Termination Event."
Anything herein to the contrary notwithstanding, any purchase of shares upon
exercise of the Option shall be subject to compliance with applicable law. The
rights set forth in Section 7 hereof shall terminate when the right to exercise
the Option terminates (other than as a result of a complete exercise of the
Option) as set forth herein.

                  (b) PRELIMINARY PURCHASE EVENT. The term "Preliminary Purchase
Event" shall mean any of the following events or transactions occurring after
the date hereof:

                  (i) Issuer or any of its subsidiaries (each, an "Issuer
         Subsidiary") shall have entered into an agreement to engage in an
         Acquisition Transaction (as defined below) with any Person (the term
         "Person" for purposes of this Agreement having the meaning assigned
         thereto in Sections 3(a)(9) and 13(d)(3) of the Securities Exchange Act
         of 1934 (the "Exchange Act"), and the rules and regulations thereunder)
         other than Grantee or any of its subsidiaries (each a "Grantee
         Subsidiary") or the Board of Directors of Issuer shall have recommended
         that the shareholders of Issuer approve or accept any Acquisition
         Transaction with any Person other than Grantee or any Grantee
         Subsidiary. For purposes of this Agreement, "Acquisition Transaction"
         shall mean (x) a merger or consolidation, or any similar transaction,
         involving Issuer or any Issuer Subsidiary, (y) a purchase, lease or
         other acquisition of all or substantially all of the assets of or
         assumption of all or substantially all the deposits of Issuer or any
         Issuer Subsidiary or (z) a purchase or other acquisition (including by
         way of merger, consolidation, share exchange or otherwise) of
         securities representing 10% or more of the voting power of Issuer or
         any Issuer Subsidiary, provided that the term "Acquisition Transaction"
         does not include any internal merger or consolidation involving only
         Issuer and/or Issuer Subsidiaries;


                                      -3-

<PAGE>

                  (ii) Any Person (other than Grantee or any Grantee Subsidiary
         or any Issuer Subsidiary acting in a fiduciary capacity in the ordinary
         course of business) shall have acquired Beneficial Ownership or the
         right to acquire Beneficial Ownership, of shares of Common Stock (the
         term "Beneficial Ownership" for purposes of this Agreement having the
         meaning assigned thereto in Section 13(d) of the Exchange Act, and the
         rules and regulations thereunder) such that, upon the consummation of
         such acquisition, such Person would have Beneficial Ownership, in the
         aggregate, of 10% or more of the then outstanding shares of Common
         Stock;

                  (iii) Any Person other than Grantee or any Grantee Subsidiary
         shall have made a BONA FIDE proposal to Issuer or its shareholders, by
         public announcement or written communication that is or becomes the
         subject of public disclosure, to engage in an Acquisition Transaction
         (including, without limitation, any situation in which any Person other
         than Grantee or any Grantee Subsidiary shall have commenced (as such
         term is defined in Rule 14d-2 under the Exchange Act) or shall have
         filed a registration statement under the Securities Act of 1933, as
         amended (the "Securities Act"), with respect to, a tender offer or
         exchange offer to purchase any shares of Common Stock such that, upon
         consummation of such offer, such Person would own or control 10% or
         more of the then outstanding shares of Common Stock (such an offer
         being referred to herein as a "Tender Offer" or an "Exchange Offer",
         respectively));

                  (iv) After a proposal is made by a third party to Issuer or
         its shareholders to engage in an Acquisition Transaction, or such third
         party states its intention to make such a proposal if the Plan
         terminates and/or the Option expires, Issuer shall have breached any
         covenant or obligation contained in the Plan and such breach would
         entitle Grantee to terminate the Plan (without regard to the cure
         period provided for therein unless such cure is promptly effected
         without jeopardizing consummation of the Merger pursuant to the terms
         of the Plan);

                  (v) (A) The holders of Common Stock shall not have approved
         the Plan by the requisite vote at the meeting of such shareholders held
         for the purpose of voting on the Plan or (B) such meeting shall not
         have been held or shall have been canceled prior to termination of the
         Plan after it shall have been publicly announced that any Person (other
         than Grantee or any Grantee Subsidiary) shall 


                                      -4-

<PAGE>

         have (x) made, or disclosed an intention to make, a BONA FIDE proposal
         to engage in an Acquisition Transaction, (y) commenced a Tender Offer
         or filed a registration statement under the Securities Act with respect
         to an Exchange Offer or (z) filed an application (or given a notice)
         with, whether in draft of final form, the Board of Governors of the
         Federal Reserve System (the "Federal Reserve") or any other
         governmental authority or regulatory or administrative agency or
         commission (each, a "Governmental Authority"), for approval to engage
         in an Acquisition Transaction;

                 (vi) Any Person (other than Grantee or any Grantee
         Subsidiary), other than in connection with a transaction to which
         Grantee has given its prior written consent, shall have filed an
         application or notice with the Federal Reserve or other Governmental
         Authority for approval to engage in an Acquisition Transaction; or

                (vii) The Issuer's Board of Directors shall have withdrawn or
         modified (or publicly announced its intention to withdraw or modify) in
         any manner adverse in any respect to Grantee its recommendation that
         the shareholders of Issuer approve the transactions contemplated by the
         Plan, or Issuer or any Issuer Subsidiary shall have authorized,
         recommended, proposed (or publicly announced its intention to
         authorize, recommend or propose) an agreement to engage in an
         Acquisition Transaction with any person other than Grantee or a Grantee
         Subsidiary.

                  (c) PURCHASE EVENT. The term "Purchase Event" shall mean
either of the following events or transactions occurring after the date hereof:

                  (i) The acquisition by any Person other than Grantee or any
         Grantee Subsidiary of Beneficial Ownership of shares of Common Stock,
         such that, upon the consummation of such acquisition, such Person would
         have Beneficial Ownership, in the aggregate, of 25% or more of the then
         outstanding shares of Common Stock; or

                 (ii) The occurrence of a Preliminary Purchase Event described
         in Section 2(b)(i) hereof except that the percentage referred to in
         clause (z) shall be 25%.


                                      -5-

<PAGE>

                  (d) NOTICE BY ISSUER. Issuer shall notify Grantee promptly in
writing of the occurrence of any Preliminary Purchase Event or Purchase Event;
PROVIDED, HOWEVER, that the giving of such notice by Issuer shall not be a
condition to the right of Grantee to exercise the Option.

                  (e) NOTICE OF EXERCISE. In the event that Grantee is entitled
to and wishes to exercise the Option, it shall send to Issuer a written notice
(the "Option Notice" and the date of which being hereinafter referred to as the
"Notice Date") specifying (i) the total number of shares of Common Stock it will
purchase pursuant to such exercise, (ii) the aggregate purchase price as
provided herein, (iii) a date for the closing (that shall not be less than three
(3) Business Days nor more than thirty (30) Business Days) from the Notice Date
(the "Closing Date") and (iv) a place at which the closing of such purchase
shall take place (subject to Issuer's approval which shall not be unreasonably
withheld); PROVIDED, THAT, if prior notification to or approval of the Federal
Reserve or any other Governmental Authority is required in connection with such
purchase (each, a "Notification" or an "Approval," as the case may be), (a)
Grantee shall promptly file, or cause to be filed, the required notice or
application for approval ("Notice/Application"), (b) Grantee shall expeditiously
process, or cause to be expeditiously processed, the Notice/Application and (c)
for the purpose of determining the Closing Date pursuant to clause (iii) of this
sentence, the period of time that otherwise would run from the Notice Date shall
instead run from the later of (x) in connection with any Notification, the date
on which any required notification periods have expired or been terminated and
(y) in connection with any Approval, the date on which such approval has been
obtained and any requisite waiting period or periods shall have expired;
PROVIDED FURTHER that the Option Notice must be made, and the Notice Date must
be, no later than the date on which the Exercise Termination Event occurs. For
purposes of Section 2(a) hereof, any exercise of the Option shall be deemed to
occur on the Notice Date relating thereto. On or prior to the Closing Date,
Grantee shall have the right to revoke its exercise of the Option in the event
that the transaction constituting a Purchase Event that gives rise to such right
to exercise shall not have been consummated.

                  (f) PAYMENTS. At the closing referred to in Section 2(e)
hereof, Grantee shall present and surrender this Agreement and pay to Issuer the
aggregate Option Price for the shares of Common Stock specified in the Option
Notice in immediately available funds by wire transfer to a bank account
designated by Issuer; PROVIDED, HOWEVER, that 


                                      -6-

<PAGE>

failure or refusal of Issuer to designate such a bank account shall not preclude
Grantee from exercising the Option.

                  (g) DELIVERY OF COMMON STOCK. At such closing, simultaneously
with the delivery of immediately available funds and surrender of this Agreement
as provided in Section 2(f) hereof, (i) Issuer shall deliver to Grantee a
certificate or certificates representing the number of shares of Common Stock
specified in the Option Notice and, if the Option should be exercised in part
only, a new Option evidencing the rights of Grantee thereof to purchase the
balance of the shares of Common Stock purchasable hereunder and (ii) Grantee
shall deliver to Issuer a letter reasonably satisfactory to both Grantee and
Issuer by which Grantee makes agreements customary in the issuance of privately
placed securities with respect to the sale, transfer or other disposition by it
of such common stock, including, without limitation, agreements not to transfer
such shares in violation of this Agreement or applicable federal or state
securities laws.

                  (h) COMMON STOCK CERTIFICATES. Certificates for Common Stock
delivered at a closing hereunder shall be endorsed with a restrictive legend
substantially as follows:

         The transfer of the shares represented by this certificate is subject
         to resale restrictions arising under the Securities Act of 1933, as
         amended, and to certain provisions of an agreement between Zions
         Bancorporation and Regency Bancorp ("Issuer") dated as of April 27,
         1999. A copy of such agreement is on file at the principal office of
         Issuer and will be provided to the holder hereof without charge upon
         receipt by Issuer of a written request therefor.

It is understood and agreed that: (i) the reference to the resale restrictions
of the Securities Act in the above legend shall be removed by delivery of
substitute certificate(s) without such reference if Grantee shall have delivered
to Issuer a copy of a letter from the staff of the Securities and Exchange
Commission (the "SEC"), or an opinion of counsel, in form and substance
reasonably satisfactory to Issuer, to the effect that such legend is not
required for purposes of the Securities Act; (ii) the reference to the
provisions of this Agreement in the above legend shall be removed by delivery of
substitute certificate(s) without such reference if the shares have been sold or
transferred in compliance with the provisions of this Agreement and under
circumstances that do not require the retention of such reference; and (iii) the
legend shall be removed in its entirety if the conditions in the 


                                      -7-

<PAGE>

preceding clauses (i) and (ii) are both satisfied. In addition, such
certificates shall bear any other legend as may be required by law.

                  (i) HOLDER OF RECORD. Upon the giving by Grantee to Issuer of
an Option Notice and the tender of the applicable purchase price in immediately
available funds on the Closing Date, Grantee shall be deemed to be the holder of
record of the number of shares of Common Stock specified in the Option Notice,
notwithstanding that the stock transfer books of Issuer shall then be closed or
that certificates representing such shares of Common Stock shall not then
actually be delivered to Grantee. Issuer shall pay all expenses and any and all
United States federal, state and local taxes and other charges that may be
payable in connection with the preparation, issue and delivery of stock
certificates under this Section 2 in the name of Grantee.

                  SECTION 3. ISSUER'S COVENANTS.

                  (a) AVAILABLE SHARES. The Issuer agrees that it shall at all
times until the termination of this Agreement have reserved for issuance upon
the exercise of the Option that number of authorized and reserved shares of
Common Stock equal to the maximum number of shares of Common Stock at any time
and from time to time issuable hereunder, all of which shares will, upon
issuance pursuant hereto, be duly authorized, validly issued, fully paid,
nonassessable, and delivered free and clear of all claims, liens, encumbrances
and security interests and not subject to any preemptive rights.

                  (b) COMPLIANCE. The Issuer agrees that it will not, by
amendment of its articles of incorporation or through reorganization,
consolidation, merger, dissolution or sale of assets, or by any other voluntary
act, avoid or seek to avoid the observance or performance of any of the
covenants, stipulations or conditions to be observed or performed hereunder by
Issuer.

                  (c) CERTAIN ACTIONS, APPLICATIONS AND ARRANGEMENTS. Issuer
shall promptly take all action as may from time to time be required (including
(i) complying with all premerger notification, reporting and waiting period
requirements specified in 15 U.S.C. ss. 18a and regulations promulgated
thereunder and (ii) in the event, under the Bank Holding Company Act of 1956, as
amended ("BHC Act"), or the Change in Bank Control Act of 1978, as amended, or
any state banking law, prior approval of or notice to the Federal Reserve or to
any other Governmental Authority is necessary before the Option 


                                      -8-

<PAGE>

may be exercised, cooperating with Grantee in preparing such applications or
notices and providing such information to each such Governmental Authority as it
may require) in order to permit Grantee to exercise the Option and Issuer duly
and effectively to issue shares of Common Stock pursuant hereto, and to protect
the rights of Grantee against dilution.

                  SECTION 4. EXCHANGE OF OPTION. This Agreement and the Option
granted hereby are exchangeable, without expense, at the option of Grantee, upon
presentation and surrender of this Agreement at the principal office of Issuer,
for other agreements providing for Options of different denominations entitling
the holder thereof to purchase, on the same terms and subject to the same
conditions as are set forth herein, in the aggregate the same number of shares
of Common Stock purchasable hereunder. The terms "Agreement" and "Option" as
used in this Section 4 include any agreements and related options for which this
Agreement and the Option granted hereby may be exchanged. Upon receipt by Issuer
of evidence reasonably satisfactory to it of the loss, theft, destruction or
mutilation of this Agreement, and (in the case of loss, theft or destruction) of
reasonably satisfactory indemnification, and upon surrender and cancellation of
this Agreement, if mutilated, Issuer will execute and deliver a new Agreement of
like tenor and date. Any such new Agreement executed and delivered shall
constitute an additional contractual obligation on the part of Issuer, whether
or not the Agreement so lost, stolen, destroyed or mutilated shall at any time
be enforceable by anyone.

                  SECTION 5. ADJUSTMENTS. The number of shares of Common Stock
purchasable upon the exercise of the Option shall be subject to adjustment from
time to time as follows:

         (a) In the event of any change in the Common Stock by reason of stock
dividends, split-ups, mergers, recapitalizations, combinations, subdivisions,
conversions, exchanges of shares or the like, the type and number of shares of
Common Stock purchasable upon exercise hereof shall be appropriately adjusted
and proper provision shall be made so that, in the event that any additional
shares of Common Stock are to be issued or otherwise to become outstanding as a
result of any such change (other than pursuant to an exercise of the Option),
the number of shares of Common Stock that remain subject to the Option shall be
increased so that, after such issuance and together with shares of Common Stock
previously issued pursuant to the exercise of the Option 


                                      -9-

<PAGE>

(as adjusted on account of any of the foregoing changes in the Common Stock), it
represents the same proportion of the number of shares of Common Stock then
issued and outstanding as such proportion before the applicable event described
in this Section 5(a).

         (b) Whenever the number of shares of Common Stock purchasable upon
exercise hereof is adjusted as provided in this Section 5, the Option Price
shall be adjusted by multiplying the Option Price by a fraction, the numerator
of which shall be equal to the number of shares of Common Stock purchasable
prior to the adjustment and the denominator of which shall be equal to the
number of shares of Common Stock purchasable after the adjustment.

                  SECTION 6. REGISTRATION RIGHTS. (a) Upon the occurrence of a
Purchase Event that occurs prior to an Exercise Termination Event, Issuer shall,
at the request of Grantee (whether on its own behalf or on behalf of any
subsequent holder of the Option (or part thereof) or any of the shares of Common
Stock issued pursuant hereto), promptly prepare, file and keep current a
registration statement under the Securities Act covering any shares issued and
issuable pursuant to the Option and shall use its best efforts to cause such
registration statement to become effective and remain current in order to permit
the sale or other disposition of any shares of Common Stock issued upon total or
partial exercise of the Option ("Option Shares") in accordance with any plan of
disposition requested by Grantee. The Issuer will use its best efforts to cause
such registration statement first to become effective and then to remain
effective for such period not in excess of one hundred and eighty (180) days
from the day such registration statement first becomes effective. Grantee shall
have the right to demand two (2) such registrations at the Issuer's expense. The
foregoing notwithstanding, if, at the time of any request by Grantee for
registration of Option Shares as provided above, Issuer is in the process of
registration with respect to an underwritten public offering of shares of Common
Stock, and if in the good faith judgment of the managing underwriter or managing
underwriters, or, if none, the sole underwriter or underwriters, of such
offering, the offering or inclusion of the Option Shares would interfere
materially with the successful marketing of the shares of Common Stock offered
by Issuer, the number of Option Shares otherwise to be covered in the
registration statement contemplated hereby may be reduced; PROVIDED, HOWEVER,
that after any such required reduction, the number of Option Shares to be
included in such offering for the account of Grantee shall constitute at least
thirty-three and one third percent (33_%) of the total number of shares of
Common Stock held by Grantee and Issuer covered in such registration statement;
PROVIDED FURTHER, HOWEVER, that if such reduction occurs, then Issuer shall
file a


                                      -10-

<PAGE>

registration statement for the balance as promptly as practicable thereafter as
to which no reduction shall thereafter occur. In addition, if the Issuer
proposes to register its Common Stock or any other securities on a form that
would permit the registration of the Shares for public sale under the Securities
Act (whether proposed to be offered for sale by the Issuer or any other Person)
it will give prompt written notice to Grantee of its intention to do so,
specifying the relevant terms of such proposal, including the proposed maximum
offering price thereof. Upon the written notice of Grantee (whether on its own
behalf or on behalf of any subsequent holder of the Option (or part thereof) or
any of the shares of Common Stock issued pursuant hereto) delivered to the
Issuer within twenty (20) Business Days after the giving of any such notice,
which request shall specify the number of Shares desired to be disposed by
Grantee, the Issuer will use its best efforts to effect, in connection with its
proposed registration, the registration under the Securities Act of the Shares
set forth in such request. Grantee shall be entitled to two (2) such
registrations at the Issuer's expense. Grantee shall provide all information
reasonably requested by Issuer for inclusion in any registration statement to be
filed hereunder. In connection with any such registration, Issuer and Grantee
shall provide each other with representations, warranties, indemnities and other
agreements customarily given in connection with such registrations. If requested
by Grantee in connection with such registration, Issuer and Grantee shall become
a party to any underwriting agreement relating to the sale of such shares, but
only to the extent of obligating themselves in respect of representations,
warranties, indemnities and other agreements customarily included in such
underwriting agreements.

                  (b) In the event that Grantee requests Issuer to file a
registration statement following the failure to obtain any approval required to
exercise the Option as described in Section 9 hereof, the closing of the sale or
other disposition of the Common Stock or other securities pursuant to such
registration statement shall occur substantially simultaneously with the
exercise of the Option.

                  (c) Except where applicable state law prohibits such payments,
Issuer will pay all expenses (including without limitation registration fees,
qualification fees, blue sky fees and expenses (including the fees and expenses
of counsel), legal expenses, including the reasonable fees and expenses of one
counsel to the holders whose Option Shares are being registered, printing
expenses and the costs of special audits or "cold comfort" letters, expenses of
underwriters, excluding discounts and commissions but including liability
insurance if Issuer so desires or the underwriters so require, and the


                                      -11-

<PAGE>

reasonable fees and expenses of any necessary special experts) in connection
with each registration pursuant to this Section 6 (including the related
offerings and sales by holders of Option Shares) and all other qualifications,
notification or exemptions pursuant to this Section 6.

                  (d) In connection with any registration under this Section 6,
Issuer hereby indemnifies the Grantee, and each officer, director and
controlling person of Grantee, and each underwriter thereof, including each
person, if any who controls such holder or underwriter within the meaning of
Section 15 of the Securities Act, against all expenses, losses, claims, damages
and liabilities caused by any untrue, or alleged untrue, statement contained in
any registration statement or prospectus or notification or offering circular
(including any amendments or supplements thereto) or any preliminary prospectus,
or caused by any omission, or alleged omission, to state therein a material fact
required to be stated therein or necessary to make the statements therein not
misleading, except insofar as such expenses, losses, claims, damages or
liabilities of such indemnified party are caused by any untrue statement or
alleged untrue statement that was included by Issuer in any such registration
statement or prospectus or notification or offering circular (including any
amendments or supplements thereto) in reliance upon and in conformity with,
information furnished in writing to Issuer by such indemnified party expressly
for use therein, and Issuer and each officer, director and controlling person of
Issuer shall be indemnified by such Grantee, or by such underwriter, as the case
may be, for all such expenses, losses, claims, damages and liabilities caused by
any untrue, or alleged untrue, statement, that was included by Issuer in any
such registration statement or prospectus or notification or offering circular
(including any amendments or supplements thereto) in reliance upon, and in
conformity with, information furnished in writing to Issuer by such holder or
such underwriter, as the case may be, expressly for such use.

                  Promptly upon receipt by a party indemnified under this
Section 6(d) of notice of the commencement of any action against such
indemnified party in respect of which indemnity or reimbursement may be sought
against any indemnifying party under this Section 6(d), such indemnified party
shall notify the indemnifying party in writing of the commencement of such
action, but the failure so to notify the indemnifying party shall not relieve it
of any liability which it may otherwise have to any indemnified party under this
Section 6(d). In case notice of commencement of any such action shall be given
to the indemnifying party as above provided, the indemnifying party shall be
entitled to participate in and, to the extent it may wish, jointly with any
other 


                                      -12-

<PAGE>

indemnifying party similarly notified, to assume the defense of such action at
its own expense, with counsel chosen by it and reasonably satisfactory to such
indemnified party. The indemnified party shall have the right to employ separate
counsel in any such action and participate in the defense thereof, but the fees
and expenses of such counsel (other than reasonable costs of investigation)
shall be paid by the indemnified party unless (i) the indemnifying party either
agrees to pay the same, (ii) the indemnifying party fails to assume the defense
of such action with counsel reasonably satisfactory to the indemnified party or
(iii) the indemnified party has been advised by counsel that one or more legal
defenses may be available to the indemnifying party that may be contrary to the
interests of the indemnified party. No indemnifying party shall be liable for
the fees and expenses of more than one separate counsel for all indemnified
parties or for any settlement entered into without its consent, which consent
may not be unreasonably withheld.

                  If the indemnification provided for in this Section 6(d) is
unavailable to a party otherwise entitled to be indemnified in respect of any
expenses, losses, claims, damages or liabilities referred to herein, then the
indemnifying party, in lieu of indemnifying such party otherwise entitled to be
indemnified, shall contribute to the amount paid or payable by such party to be
indemnified as a result of such expenses, losses, claims, damages or liabilities
in such proportion as is appropriate to reflect the relative fault of Issuer,
the Grantee and the underwriters in connection with the statements or omissions
which resulted in such expenses, losses, claims, damages or liabilities, as well
as any other relevant equitable considerations. The amount paid or payable by a
party as a result of the expenses, losses, claims, damages and liabilities
referred to above shall be deemed to include any legal or other fees or expenses
reasonably incurred by such party in connection with investigating or defending
any action or claim; PROVIDED, HOWEVER, that in no case shall the Grantee be
responsible, in the aggregate, for any amount in excess of the net offering
proceeds attributable to its Option Shares included in the offering. No person
guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of
the Securities Act) shall be entitled to contribution from any person who was
not guilty of such fraudulent misrepresentation. Any obligation by any Grantee
to indemnify shall be several and not joint with other holders of Option Shares.

                  SECTION 7. OPTION REPURCHASE. (a) Upon the occurrence of a
Purchase Event that occurs prior to an Exercise Termination Event, (i) at the
request (the date of such request being the "Request Date") of Grantee,
delivered within thirty (30) 


                                      -13-

<PAGE>

days of the Purchase Event (or such later period as may be provided pursuant to
Section 9 hereof), Issuer shall repurchase the Option from Grantee at a price
(the "Option Repurchase Price") equal to (x) the amount by which (A) the
market/offer price (as defined below) exceeds (B) the Option Price, multiplied
by the number of shares for which the Option may then be exercised and (ii) at
the request (the date of such request being the "Request Date") of the owner of
Option Shares from time to time (the "Owner"), delivered within thirty (30) days
of a Purchase Event (or such later period as may be provided pursuant to Section
9 hereof), Issuer shall repurchase such number of the Option Shares from the
Owner as the Owner shall designate at a price (the "Option Share Repurchase
Price") equal to (x) the market/offer price multiplied by the number of Option
Shares so designated. The term "market/offer price" shall mean the highest of
(i) the price per share of Common Stock at which a tender offer or exchange
offer therefor has been made after the date hereof and on or prior to the
Request Date, (ii) the price per share of Common Stock paid or to be paid by any
third party pursuant to an agreement with Issuer (whether by way of a merger,
consolidation or otherwise), (iii) the highest last sales price for shares of
Common Stock within the 90-day period ending on the Request Date as reported on
NASDAQ (as reported in THE WALL STREET JOURNAL or, if not reported therein, in
another mutually agreed upon authoritative source) or (iv) in the event of a
sale of all or substantially all of Issuer's assets, the sum of the price paid
in such sale for such assets and the current market value of the remaining
assets of Issuer as determined by a nationally-recognized independent investment
banking firm mutually selected by Grantee or the Owner, as the case may be, on
the one hand, and Issuer, on the other hand, divided by the number of shares of
Common Stock of Issuer outstanding at the time of such sale. In determining the
market/offer price, the value of consideration other than cash shall be
determined by a nationally-recognized independent investment banking firm
mutually selected by Grantee or Owner, as the case may be, on the one hand, and
Issuer, on the other hand, whose determination shall be conclusive and binding
on all parties.

                  (b) Grantee or the Owner, as the case may be, may exercise its
right to require Issuer to repurchase the Option and/or any Option Shares
pursuant to this Section 7 by surrendering for such purpose to Issuer, at its
principal office, a copy of this Agreement or certificates for Option Shares, as
applicable, accompanied by a written notice or notices stating that Grantee or
the Owner, as the case may be, elects to require Issuer to repurchase the Option
and/or the Option Shares in accordance with the provisions of this Section 7. As
immediately as practicable, and in any event within five 


                                      -14-

<PAGE>

(5) Business Days after the surrender of the Option and/or certificates
representing Option Shares and the receipt of such notice or notices relating
thereto, Issuer shall deliver or cause to be delivered to Grantee the Option
Repurchase Price or to the Owner the Option Share Repurchase Price or the
portion thereof that Issuer is not then prohibited from so delivering under
applicable law and regulation or as a consequence of administrative policy.

                  (c) Issuer hereby undertakes to use its best efforts to obtain
all required regulatory and legal approvals and to file any required notices as
promptly as practicable in order to accomplish any repurchase contemplated by
this Section 7. Nonetheless, to the extent that Issuer is prohibited under
applicable law or regulation, or as a consequence of administrative policy, from
repurchasing the Option and/or the Option Shares in full, Issuer shall
immediately so notify Grantee and/or the Owner and thereafter deliver or cause
to be delivered, from time to time, to Grantee and/or the Owner, as appropriate,
the portion of the Option Repurchase Price and the Option Share Repurchase
Price, respectively, that it is no longer prohibited from delivering, within
five (5) Business Days after the date on which Issuer is no longer so
prohibited; PROVIDED, HOWEVER, that if Issuer at any time after delivery of a
notice of repurchase pursuant to Section 7(b) is prohibited under applicable law
or regulation, or as a consequence of administrative policy, from delivering to
Grantee and/or the Owner, as appropriate, the Option Repurchase Price and the
Option Share Repurchase Price, respectively, in full Grantee or Owner may revoke
its notice of repurchase of the Option or the Option Shares either in whole or
in part whereupon, in the case of a revocation in part, Issuer shall promptly
(i) deliver to Grantee and/or the Owner, as appropriate, that portion of the
Option Purchase Price or the Option Share Repurchase Price that Issuer is not
prohibited from delivering after taking into account any such revocation and
(ii) deliver, as appropriate, either (A) to Grantee, a new Agreement evidencing
the right of Grantee to purchase that number of shares of Common Stock equal to
the number of shares of Common Stock purchasable immediately prior to the
delivery of the notice of repurchase less the number of shares of Common Stock
covered by the portion of the Option repurchased or (B) to the Owner, a
certificate for the number of Option Shares covered by the revocation.

                  (d) Issuer shall not enter into any agreement with any party
(other than Grantee or a Grantee Subsidiary) for an Acquisition Transaction
unless the other party thereto assumes all the obligations of Issuer pursuant to
this Section 7 in the event that a 


                                      -15-

<PAGE>

Grantee or Owner elects, in its sole discretion, to require such other party to
perform such obligations.

                  SECTION 8. SUBSTITUTE OPTION.

                  (a) GRANT OF SUBSTITUTE OPTION. In the event that prior to an
Exercise Termination Event, Issuer shall enter into an agreement (i) to
consolidate or merge with any Person, other than Grantee or a Grantee
Subsidiary, and shall not be the continuing or surviving corporation of such
consolidation or merger, (ii) to permit any Person, other than Grantee or a
Grantee Subsidiary, to merge into Issuer and Issuer shall be the continuing or
surviving corporation, but, in connection with such merger, the then outstanding
shares of Common Stock shall be changed into or exchanged for stock or other
securities of any other Person or cash or any other property or the then
outstanding shares of Common Stock shall after such merger represent less than
fifty percent (50%) of the outstanding shares and share equivalents of the
merged company or (iii) to sell or otherwise transfer all or substantially all
of its or any Issuer Subsidiary's assets to any Person, other than Grantee or a
Grantee Subsidiary, then, and in each such case, the agreement governing such
transaction shall make proper provision so that the Option shall, upon the
consummation of such transaction and upon the terms and conditions set forth
herein, be converted into, or exchanged for, an option (the "Substitute
Option"), at the election of Grantee, of either (x) the Acquiring Corporation
(as defined below) or (y) any Person that controls the Acquiring Corporation
(the Acquiring Corporation and any such controlling Person being hereinafter
referred to as the "Substitute Option Issuer").

                  (b) EXERCISE OF SUBSTITUTE OPTION. The Substitute Option shall
be exercisable for such number of shares of the Substitute Common Stock (as is
hereinafter defined) as is equal to the market/offer price (as defined in
Section 7 hereof), MULTIPLIED by the number of shares of the Common Stock for
which the Option was theretofore exercisable, DIVIDED by the Average Price (as
is hereinafter defined). The exercise price of the Substitute Option per share
of the Substitute Common Stock (the "Substitute Purchase Price") shall then be
equal to the product of the Option Price MULTIPLIED by a fraction in which the
numerator is the number of shares of Common Stock for which the Option was
theretofore exercisable and the denominator is the number of shares for which
the Substitute Option is exercisable.


                                      -16-

<PAGE>

                  (c) TERMS OF SUBSTITUTE OPTION. The Substitute Option shall
otherwise have the same terms as the Option, PROVIDED, HOWEVER, that if the
terms of the Substitute Option cannot, for legal reasons, be the same as the
Option, such terms shall be as similar as possible and in no event less
advantageous to Grantee.

                  (d) SUBSTITUTE OPTION DEFINITIONS. The following terms have
the meanings indicated:

                  (i) "Acquiring Corporation" shall mean (i) the continuing or
         surviving corporation of a consolidation or merger with Issuer (if
         other than Issuer), (ii) Issuer in a merger in which Issuer is the
         continuing or surviving Person, and (iii) the transferee of all or any
         substantial part of the Issuer's assets (or the assets of any Issuer
         Subsidiary);

                   (ii) "Substitute Common Stock" shall mean the common stock
         issued by the Substitute Option Issuer upon exercise of the Substitute
         Option; and

                  (iii) "Average Price" shall mean the average closing price of
         a share of the Substitute Common Stock for the one (1) year immediately
         preceding the consolidation, merger or sale in question, but in no
         event higher than the closing price of the shares of the Substitute
         Common Stock on the day preceding such consolidation, merger or sale;
         PROVIDED, HOWEVER, that if such closing price is not ascertainable due
         to an absence of a public market for the Substitute Common Stock,
         "Average Price" shall mean the higher of (i) the price per share of
         Substitute Common Stock paid or to be paid by any third party pursuant
         to an agreement with the issuer of the Substitute Common Stock and (ii)
         the book value per share, calculated in accordance with generally
         accepted accounting principles, of the Substitute Common Stock
         immediately prior to exercise of the Substitute Option; PROVIDED,
         FURTHER, that if Issuer is the issuer of the Substitute Option, the
         Average Price shall be computed with respect to a share of common stock
         issued by Issuer, the Person merging into Issuer or by any company
         which controls or is controlled by such merging Person, as Grantee may
         elect.

                  (e) CAP ON SUBSTITUTE OPTION. In no event, pursuant to any of
the foregoing paragraphs, shall the Substitute Option be exercisable for more
than that proportion of the 


                                      -17-

<PAGE>

outstanding Substitute Common Stock equal to the proportion of the outstanding
Common Stock of the Issuer which Grantee had the right to acquire immediately
prior to the issuance of the Substitute Option. In the event that the Substitute
Option would be exercisable for more than the proportion of the outstanding
Substitute Common Stock referred to in the immediately preceding paragraph but
for this clause (e), the Substitute Option Issuer shall make a cash payment to
Grantee equal to the excess of (i) the value of the Substitute Option without
giving effect to the limitation in this clause (e) over (ii) the value of the
Substitute Option after giving effect to the limitation in this clause (e). This
difference in value shall be determined by a nationally recognized investment
banking firm selected by Grantee and reasonably acceptable to the Acquiring
Corporation.

                  SECTION 9. EXTENSION OF EXERCISE RIGHT. Notwithstanding
Sections 2, 6 and 7 and 11 hereof, if Grantee has given the notice referred to
in one or more of such Sections, the exercise of the rights specified in any
such Section shall be extended (a) if the exercise of such rights requires
obtaining regulatory approvals (including any required waiting periods) to the
extent necessary to obtain all regulatory approvals for the exercise of such
rights, and (b) to the extent necessary to avoid liability under Section 16(b)
of the Exchange Act by reason of such exercise; PROVIDED, HOWEVER, that in no
event shall any closing date occur more than six (6) months after the related
Notice Date, and, if the closing date shall not have occurred within such period
due to the failure to obtain any required approval by the Federal Reserve or any
other Governmental Authority despite the best efforts of Issuer or the
Substitute Option Issuer, as the case may be, to obtain such approvals, the
exercise of the Option shall be deemed to have been rescinded as of the related
Notice Date. In the event (a) Grantee receives official notice that an approval
of the Federal Reserve or any other Governmental Authority required for the
purchase and sale of the Option Shares will not be issued or granted or (b) a
closing date has not occurred within six (6) months after the related Notice
Date due to the failure to obtain any such required approval, Grantee shall be
entitled to exercise the Option in connection with the resale of the Option
Shares pursuant to a registration statement as provided in Section 6.

                  SECTION 10. ISSUER'S REPRESENTATIONS AND WARRANTIES. Issuer
hereby represents and warrants to Grantee as follows:

                  (a) CORPORATE AUTHORITY. Issuer has full corporate power and
authority to execute and deliver this Agreement and, subject to any approvals or
consents referred to 


                                      -18-

<PAGE>

herein, to consummate the transactions contemplated hereby. The execution and
delivery of this Agreement and the consummation of the transactions contemplated
hereby have been duly authorized by the Board of Directors of Issuer and no
other corporate proceedings on the part of Issuer are necessary to authorize
this Agreement or to consummate the transactions so contemplated. This Agreement
has been duly authorized, executed and delivered by the Issuer.

                  (b) AVAILABILITY OF SHARES. Issuer has taken all necessary
corporate action to authorize and reserve and to permit it to issue, and at all
times from the date hereof through the termination of this Agreement in
accordance with its terms will have reserved for issuance upon the exercise of
the Option, that number of shares of Common Stock equal to the maximum number of
shares of Common Stock at any time and from time to time issuable hereunder, and
all such shares, upon issuance pursuant hereto, will be duly authorized, validly
issued, fully paid, non-assessable, and will be delivered free and clear of all
claims, liens, encumbrances and security interests and not subject to any
preemptive rights.

                  (c) NO VIOLATIONS. The execution, delivery and performance of
this Agreement does not or will not, and the consummation by Issuer of any of
the transactions contemplated hereby will not, constitute or result in (A) a
breach or violation of, or a default under, its articles of incorporation or
by-laws, or the comparable governing instruments of any of the Issuer
Subsidiaries, or (B) a breach or violation of, or a default under, any
agreement, lease, contract, note, mortgage, indenture, arrangement or other
obligation of it or any of the Issuer Subsidiaries (with or without the giving
of notice, the lapse of time or both) or under any law, rule, ordinance or
regulation or judgment, decree, order, award or governmental or non-governmental
permit or license to which it or any of the Issuer Subsidiaries is subject, that
would, in any case give any other person the ability to prevent or enjoin
Issuer's performance under this Agreement in any material respect.

                  SECTION 11. GRANTEE'S REPRESENTATIONS AND WARRANTIES. Grantee
hereby represents and warrants to issuer as follows:

                  (a) CORPORATE AUTHORITY. Grantee has all requisite corporate
power and authority to enter into this Agreement and, subject to any approvals
or consents referred to herein, to consummate the transactions contemplated
hereby. The execution and 


                                      -19-

<PAGE>

delivery of this Agreement and the consummation of the transactions contemplated
hereby have been duly authorized by all necessary corporate action on the part
of Grantee. This Agreement has been duly authorized, executed and delivered by
Grantee.

                  (b) INVESTMENT INTENT. The Option is not being, and any shares
of Common Stock or other securities acquired by Grantee upon exercise of the
Option will not be, acquired with a view to the public distribution thereof and
will not be transferred or otherwise disposed of except in a transaction
registered or exempt from registration under the Securities Act.

                  SECTION 12. ASSIGNMENT. Neither of the parties hereto may
assign any of its rights or delegate any of its obligations under this Agreement
or the Option created hereunder to any other Person without the express written
consent of the other party, except that Grantee may assign this Agreement to a
wholly owned subsidiary of Grantee and Grantee may assign its rights hereunder
in whole or in part after the occurrence of a Preliminary Purchase Event;
PROVIDED, HOWEVER, that until the date at which the Federal Reserve has approved
an application by Grantee under the BHC Act to acquire the shares of Common
Stock subject to the Option, other than to a wholly owned subsidiary of Grantee,
Grantee may not assign its rights under the Option except in (i) a widely
dispersed public distribution, (ii) a private placement in which no one party
acquires the right to purchase in excess of two percent (2%) of the voting
shares of Issuer, (iii) an assignment to a single party (E.G., a broker or
investment banker) for the purpose of conducting a widely dispersed public
distribution on Grantee's behalf or (iv) any other manner approved by the
Federal Reserve and, in each case, in compliance with all applicable federal or
state securities laws. The term "Grantee" as used in this Agreement shall also
be deemed to refer to Grantee's permitted assigns.
Any attempted assignment prohibited by this Section 12 is void and without
effect.

                  SECTION 13. FILINGS AND CONSENTS. Each of Grantee and Issuer
will use its reasonable efforts to make all filings with, and to obtain consents
of, all third parties and Governmental Authorities necessary to the consummation
of the transactions contemplated by this Agreement, including, without
limitation, making application if necessary, for listing of the shares of Common
Stock issuable hereunder on any exchange or quotation system and applying to the
Federal Reserve under the BHC Act and to state banking authorities for approval
to acquire the shares issuable hereunder.


                                      -20-

<PAGE>

                  SECTION 14. REMEDIES. The parties hereto acknowledge that
damages would be an inadequate remedy for a breach of this Agreement by either
party hereto and that the obligations of the parties shall hereto be enforceable
by either party hereto through injunctive or other equitable relief. Both
parties further agree to waive any requirement for the securing or posting of
any bond in connection with the obtaining of any such equitable relief and that
this provision is without prejudice to any other rights that the parties hereto
may have for any failure to perform this Agreement.

                  SECTION 15. SEVERABILITY. If any term, provision, covenant or
restriction contained in this Agreement is held by a court or a federal or state
regulatory agency of competent jurisdiction to be invalid, void or
unenforceable, the remainder of the terms, provisions and covenants and
restrictions contained in this Agreement shall remain in full force and effect,
and shall in no way be affected, impaired or invalidated.

                  SECTION 16. NOTICES. All notices, requests, claims, demands
and other communications hereunder shall be deemed to have been duly given when
delivered in Person, by cable, telegram, telecopy or telex, or by registered or
certified mail (postage prepaid, return receipt requested) at the respective
addresses of the parties set forth in the Plan. Either party may change the
address to which such notices or other communications may be sent by giving
written notice thereof in accordance with this Section 16.

                  SECTION 17. COUNTERPARTS. This Agreement may be executed in
two or more counterparts, each of which shall be deemed to be an original, but
all of which shall constitute one and the same agreement and shall be effective
at the time of execution.

                  SECTION 18. EXPENSES. Except as otherwise expressly provided
herein, each of the parties hereto shall bear and pay all costs and expenses
incurred by it or on its behalf in connection with the transactions contemplated
hereunder, including fees and expenses of its own financial consultants,
investment bankers, accountants and counsel.

                  SECTION 19. ENTIRE AGREEMENT. Except as otherwise expressly
provided herein or in the Plan or in the other documents or instruments referred
to herein or therein, this Agreement contains the entire agreement between the
parties with respect to the transactions contemplated hereunder and supersedes
all prior arrangements or understandings with respect thereof, written or oral.
The terms and conditions of this 


                                      -21-

<PAGE>

Agreement shall inure to the benefit of and be binding upon the parties hereto
and their respective successors and permitted assigns. Nothing in this
Agreement, expressed or implied, is intended to confer upon any party, other
than the parties hereto, and their respective successors except as assigns, any
rights, remedies, obligations or liabilities under or by reason of this
Agreement, except as expressly provided herein.

                  SECTION 20. DEFINITIONS. Capitalized terms used in this
Agreement and not defined herein but defined in the Plan shall have the meanings
assigned thereto in the Plan.

                  SECTION 21. EFFECT ON PLAN. Nothing contained in this
Agreement shall be deemed to authorize Issuer or Grantee to breach any provision
of the Plan.

                  SECTION 22. SELECTIONS. In the event that any selection or
determination is to be made by Grantee hereunder and at the time of such
selection or determination there is more than one Grantee, such selection shall
be made by a majority in interest of such Grantees.

                  SECTION 23. FURTHER ASSURANCES. In the event of any exercise
of the option by Grantee, Issuer and such Grantee shall execute and deliver all
other documents and instruments and take all other action that may be reasonably
necessary in order to consummate the transactions provided for by such exercise.

                  SECTION 24. VOTING. Except to the extent Grantee exercises the
Option, Grantee shall have no rights to vote or receive dividends or have any
other rights as a shareholder with respect to shares of Common Stock covered
hereby.

                  SECTION 25. GOVERNING LAW. This Agreement shall be governed by
and construed in accordance with the laws of the State of California.

                  SECTION 26. WAIVER AND AMENDMENT. Any provision of this
Agreement may be waived at any time by the party that is entitled to the
benefits of such provision, PROVIDED such waiver is set forth in writing and
signed by such party. No modification, amendment or supplement to this Agreement
shall be effective unless set forth in writing and signed by both parties
hereto.


                                      -22-

<PAGE>


                  IN WITNESS WHEREOF, each of the parties has caused this Stock
Option Agreement to be executed on its behalf by their officers thereunto duly
authorized, all as of the date first above written.


                                     ZIONS BANCORPORATION

                                     By:
                                        ----------------------------------------
                                        Name:  Dale M. Gibbons
                                        Title: Chief Financial Officer


                                     REGENCY BANCORP

                                     By:
                                        ----------------------------------------
                                        Name:  Steven F. Hertel
                                        Title: Chairman, President and Chief
                                                Executive Officer


                                      -23-



<PAGE>

                                                                    Exhibit 99.1

                          ***FOR IMMEDIATE RELEASE***

ZIONS BANCORPORATION                              
Salt Lake City, Utah                                Contact: Dale Gibbons
Harris H. Simmons                                   Tel: (801) 524-4787
President/Chief Executive Officer


CALIFORNIA BANK & TRUST 
San Francisco, California                           Contact: Robert Sarver
Robert Sarver                                       Tel: (619) 623-3161
Chairman/Chief Executive Officer

REGENCY BANCORP
Fresno, California                                  Contact: Steve Hertel
Steve Hertel                                        Tel: (559) 438-2600
Chairman/President/Chief Executive Officer


                ZIONS BANCORPORATION AND REGENCY BANCORP ANNOUNCE
                                MERGER AGREEMZNT


SALT LAKE CITY, Utah and FRESNO, California, April 27,1999 - Zions
Bancorporation ("Zions") (Nasdaq- ZION) and Regency Bancorp ("Regency")
(Nasdaq,. REFN), announced today that a definitive agreement has been signed
under which Regency will merge with and into Zions in exchange for common shares
of Zions. Regency Bank will then merge into Zions' subsidiary, California Bank &
Trust. The merger is subject to the approval of banking regulators and the
shareholders of Regency and is expected to close in the third quarter.


The merger is structured to be tax-free and is intended to be accounted for as a
pooling of interests. The agreement calls for each share of Regency to be
converted into 0.3233 of a share of Zions. However, the exchange ratio will be
adjusted if the stock price performance of Zions, as measured over an average
period near signing and over an average period near closing, differs by more
than 15% compared to the performance of the Keefe, Bruyette &. Woods, Inc. 50
Index ('Index") during the same period. If Zions' price performance increases by
more than 15% relative to the Index, the exchange ratio will be reduced
proportionately for Zions' performance in excess of 15%. Conversely, the
exchange ratio will be increased proportionately if Zions' price performance
lags the Index by more than 15%. Based upon Zions' closing share price of $70 on
April 27, 1999, the transaction is valued at approximately $59.4 million or
$22.63 per share, which is 2.6 times Regency's March 31,


<PAGE>

1999 book value and 15.0 times its diluted earnings per share for the last 12
months. Zions incur approximately $4 million in after-tax merger-related charges
in conjunction with this transaction.

"Regency Bank's focus on small business and professional banking is an excellent
fit with California Bank & Trust" said Robert Sarver, chairman and chief
executive officer of California Bank & Trust. "In continuing our strategy of
super community banking, we look forward to the continued employment of Steve
Hertel and Bob Longatti to assist us in the development of the Fresno and Madera
regions. We support Regency's emphasis on relationship banking and plan to
augment their product availability in areas such as cash management, trust
services, international service, and larger lending limits."

Steve Hertel, president and chief executive officer of Regency, said "I view
this as an exciting opportunity for our company's shareholder customers, and
employees. Zions Bancorporation was recently ranked in The Wall Street Journal's
Shareholder Scorecard as the best company in providing total return to
shareholders for the newspaper's "Banks West' business sector. Our customers
will benefit from the added products and services offered by California Bank &
Trust. With the strength and resources of a large bank, and the flexibility and
mind set of a local bank that has a local management team, our employees will be
able to continue the high level of responsive personalized service that has been
the hallmark of both Regency Bank and Regency Investment Advisors."

Under local management teams and community identities, Zions Bancorporation
operates full-service banking offices in Arizona, California, Colorado, Idaho,
Nevada, New Mexico, Utah and Washington. It also offers a comprehensive array of
investment, mortgage, insurance, and electronic commerce services and is a
leader in providing innovative financing solutions for small businesses
nationwide, Investor information can be accessed via the Internet at
WWW.ZIONSBANK.COM. Information about California Bank & Trust is available at
WWWCALBANKTRUST.COM. Zions' common shares are traded on The Nasdaq Stock Market
under the symbol "ZION".

Forward-Looking Information

This news release contains statements regarding the projected performance of
Zions and its operations. These statements constitute forward-looking
information within the meaning of the Private Securities Litigation Reform Act
of 1995. Actual results or achievements may differ materially from the
projections provided in this release since such projections involve risks and
uncertainties. Factors that may cause such differences include, but are not
limited to: competitive


<PAGE>

pressures among financial institutions increasing significantly, economic
conditions, either nationally or locally in areas in which Zions conducts it
operations, being less favorable than expected, legislation or regulatory
changes which adversely affect the Company's operations or business, the cost
and effort required to correct Year 2000 processing deficiencies or integration
of acquired companies being more difficult than expected. Zions disclaims any
obligation to update any such factors or to publicly announce the result of any
revisions to any of the forward-looking statements included herein to reflect
future events or developments.









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