US BANCORP \DE\
S-4, 1999-11-05
NATIONAL COMMERCIAL BANKS
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<PAGE>
    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON NOVEMBER 5, 1999
                                                     REGISTRATION NO. 333-
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------

                                    FORM S-4

                             REGISTRATION STATEMENT

                                     UNDER

                           THE SECURITIES ACT OF 1933
                            ------------------------

                                  U.S. BANCORP

             (Exact name of registrant as specified in its charter)

<TABLE>
<S>                              <C>                           <C>
           DELAWARE                          6711                    41-0255900
(State or other jurisdiction of  (Primary Standard Industrial     (I.R.S. Employer
incorporation or organization)   Classification Code Number)   Identification Number)
</TABLE>

<TABLE>
<S>                                                     <C>
                                                                          LEE R. MITAU
                U.S. BANK PLACE                                         U.S. BANK PLACE
            601 SECOND AVENUE SOUTH                                 601 SECOND AVENUE SOUTH
       MINNEAPOLIS, MINNESOTA 55402-4302                       MINNEAPOLIS, MINNESOTA 55402-4302
                 (612) 973-1111                                          (612) 973-1111
  (Address, including zip code, and telephone               (Name, address, including zip code, and
  number, including area code, of registrant's          telephone number, including area code, of agent
          principal executive offices)                                    for service)
</TABLE>

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

                                   COPIES TO:

<TABLE>
<S>                              <C>                              <C>
      Elizabeth C. Hinck               John G. Rebelo, Jr.                Barnet Reitner
     Dorsey & Whitney LLP          Peninsula Bank of San Diego              John Stuart
    220 South Sixth Street            1331 Rosecrans Street              Reitner & Stuart
 Minneapolis, Minnesota 55402      San Diego, California 92166           1319 Marsh Street
        (612) 340-8877                   (619) 226-5418             San Luis Obispo, California
                                                                               93401
                                                                          (805) 545-8590
</TABLE>

    APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE OF THE SECURITIES TO THE
PUBLIC: as soon as practicable after this Registration Statement becomes
effective.

    If the securities being registered on this form are being offered in
connection with the formation of a holding company and there is compliance with
General Instruction G, check the following box:  / /

    If this form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act of 1933, as amended (the
"Securities Act"), check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering:  / /

    If this form is a post-effective amendment filed pursuant to Rule 462(d)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering:  / /
                            ------------------------

                        CALCULATION OF REGISTRATION FEE

<TABLE>
<CAPTION>
                                               PROPOSED MAXIMUM                          PROPOSED MAXIMUM
           TITLE OF EACH CLASS OF                AMOUNT TO BE        OFFERING PRICE     AGGREGATE OFFERING        AMOUNT OF
        SECURITIES TO BE REGISTERED              REGISTERED(1)        PER SHARE(2)             PRICE         REGISTRATION FEE(3)
<S>                                           <C>                  <C>                  <C>                  <C>
Common Stock, $1.25 par value                  3,081,058 shares         $32.2552            $99,380,159            $27,628
</TABLE>

(1) Based upon an estimate of the maximum number of shares of common stock, no
    par value (the "Peninsula common stock"), of Peninsula Bank of San Diego
    which will be exchanged for shares of common stock, $1.25 par value, of U.S.
    Bancorp pursuant to the merger described herein.

(2) Calculated in accordance with Rule 457(f)(l) under the Securities Act based
    on the aggregate market value of $99,380,159 of the shares of Peninsula
    common stock expected to be canceled in connection with the merger.

(3) The registration fee of $27,628 was calculated pursuant to Rule 457(f) under
    the Securities Act by multiplying .000278 times the proposed maximum
    aggregate offering price.
                         ------------------------------

    THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(A) OF
THE SECURITIES ACT OF 1933, AS AMENDED, OR UNTIL THIS REGISTRATION STATEMENT
SHALL BECOME EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID
SECTION 8(A), MAY DETERMINE.

- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
                       [PENINSULA BANK OF SAN DIEGO LOGO]

Dear Shareholder:

    The Board of Directors of Peninsula Bank of San Diego has agreed to merge
Peninsula with and into a subsidiary of U.S. Bancorp. We believe this merger is
in your best interests as a shareholder of Peninsula.

    At the time of the merger, each share of Peninsula common stock that you
hold will be converted automatically into shares of common stock, par value
$1.25 per share, of U.S. Bancorp based on the exchange ratio agreed to by
Peninsula and U.S. Bancorp. This exchange ratio provides that you will receive
shares of U.S. Bancorp stock valued at $40.00 for each Peninsula share that you
hold, so long as the 20-day average closing U.S. Bancorp stock price three days
prior to completing the merger is between $27.4125 and $37.0875. If this average
U.S. Bancorp stock price falls outside of this price range, the value you
receive in U.S. Bancorp stock will vary. However, in no event will you receive
less than $35.2941 or more than $43.4738 in U.S. Bancorp stock, valued as
provided by the agreement between Peninsula and U.S. Bancorp. As described in
this document, you are generally not expected to incur federal income tax as a
result of the merger, except with respect to cash you receive instead of
fractional shares.

    We cannot predict what the average price for U.S. Bancorp's stock will be in
the future. The last reported sale price of U.S. Bancorp's common stock on the
New York Stock Exchange Composite on December   , 1999 was $    per share.

    The merger cannot be completed until the shareholders of Peninsula approve
the proposed merger and the merger agreement. We will hold a meeting of our
shareholders to vote on this merger proposal. YOUR VOTE IS VERY IMPORTANT.
WHETHER OR NOT YOU PLAN TO ATTEND THE SHAREHOLDER MEETING, PLEASE TAKE THE TIME
TO VOTE BY COMPLETING AND MAILING THE ENCLOSED PROXY CARD TO US. If you sign,
date and mail your proxy card without indicating how you want to vote, your
proxy will be counted as a vote in favor of the merger and the merger agreement.
Not returning your card or not instructing your broker how to vote any shares
held for you in street name will have the same effect as a vote against the
merger and the merger agreement.

    The date, time and place of the meeting are as follows:

               Tuesday, January 11, 2000, at 7:30 p.m. local time
                             1331 Rosecrans Street
                          San Diego, California 92106

    The attached documents provide you with detailed information about this
meeting and the proposed merger. You can also obtain information about U.S.
Bancorp from publicly available documents that have been filed with the
Securities and Exchange Commission. Please read these documents carefully in
their entirety.

    The Board of Directors of Peninsula unanimously supports this merger and
recommends that you vote in favor of it.

                                          John G. Rebelo, Jr.

       -------------------------------------------------------------------------
                                          CHAIRMAN OF THE BOARD AND
                                          CHIEF EXECUTIVE OFFICER

               PROXY STATEMENT/PROSPECTUS DATED DECEMBER   , 1999
         AND FIRST MAILED TO SHAREHOLDERS ON OR ABOUT DECEMBER   , 1999

NEITHER THE SECURITIES AND EXCHANGE COMMISSION NOR ANY STATE SECURITIES
COMMISSION HAS APPROVED OR DISAPPROVED OF THE SECURITIES TO BE ISSUED UNDER THIS
PROXY STATEMENT/PROSPECTUS OR DETERMINED IF THIS DOCUMENT IS ACCURATE OR
ADEQUATE. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE. THE
SECURITIES BEING OFFERED THROUGH THIS DOCUMENT ARE NOT SAVINGS OR DEPOSIT
ACCOUNTS OR OTHER OBLIGATIONS OF ANY BANK OR NON-BANK SUBSIDIARY OF EITHER OF
OUR COMPANIES, AND THEY ARE NOT INSURED BY THE FEDERAL DEPOSIT INSURANCE
CORPORATION, THE BANK INSURANCE FUND OR ANY OTHER GOVERNMENTAL AGENCY.
<PAGE>
                       [PENINSULA BANK OF SAN DIEGO LOGO]

                   NOTICE OF SPECIAL MEETING OF SHAREHOLDERS
              TO BE HELD ON TUESDAY, JANUARY 11, 2000 AT 7:30 P.M.
                            AT 1331 ROSECRANS STREET
                          SAN DIEGO, CALIFORNIA 92106

TO THE SHAREHOLDERS OF PENINSULA BANK OF SAN DIEGO:

    The Special Meeting of Shareholders of Peninsula Bank of San Diego will be
held at the office of Peninsula, 1331 Rosecrans Street, San Diego, California
92106 on Tuesday, January 11, 2000, at 7:30 p.m., local time, for the following
purposes:

    1.  To consider and vote upon a proposal to approve the principal terms of a
proposed merger of Peninsula with and into a subsidiary of U.S. Bancorp as
provided in the Agreement and Plan of Merger, dated as of September 1, 1999,
between Peninsula and U.S. Bancorp and such Agreement and Plan of Merger. This
merger agreement provides that upon the merger, you will become a shareholder of
U.S. Bancorp in accordance with the exchange ratio set forth in the merger
agreement. A copy of the merger agreement is attached as Appendix A to this
Proxy Statement/Prospectus. This merger agreement provides the terms and
conditions of this merger.

    2.  To consider and transact other business that may properly come before
the Special Meeting and at any adjournments or postponements.

    Only shareholders of record on the books of Peninsula as of the close of
business on November 17, 1999 will be entitled to notice of and to vote at the
Special Meeting.

    YOUR BOARD OF DIRECTORS RECOMMENDS A VOTE "FOR" THE MERGER AND THE MERGER
AGREEMENT.

    YOUR VOTE IS VERY IMPORTANT. PLEASE MARK, SIGN, DATE AND RETURN YOUR PROXY
PROMPTLY, WHETHER OR NOT YOU PLAN TO ATTEND THE SPECIAL MEETING. YOUR PROXY WILL
BE REVOCABLE, EITHER IN WRITING OR BY VOTING IN PERSON AT THE SPECIAL MEETING,
AT ANY TIME PRIOR TO ITS EXERCISE, BY FOLLOWING THE PROCEDURE DESCRIBED IN THE
PROXY STATEMENT/PROSPECTUS.

    If you would like to attend the Special Meeting and your shares are held by
a broker, bank or other nominee, you must bring to the meeting a recent
brokerage statement or a letter from the nominee confirming your beneficial
ownership of the shares. You must also bring a form of personal identification.
In order to vote your shares at the Special Meeting, you must obtain from the
nominee a proxy issued in your name.

<TABLE>
<S>                                                   <C>
                                                      By Order of the Board of Directors

                                                      ------------------------------------------------
                                                      John G. Rebelo, Jr.
                                                      Chairman of the Board and
                                                      Chief Executive Officer
</TABLE>

December   , 1999
San Diego, California
<PAGE>
                      REFERENCES TO ADDITIONAL INFORMATION

    This Proxy Statement/Prospectus incorporates important business and
financial information about U.S. Bancorp that is not included in or delivered
with this document. This information is available to you without charge upon
your written or oral request. You can obtain documents incorporated by reference
in this document by requesting them in writing or by telephone from U.S. Bancorp
at the following address:

                                  U.S. BANCORP
                               Investor Relations
                                  U.S. Bancorp
                                U.S. Bank Place
                            601 Second Avenue South
                       Minneapolis, Minnesota 55402-4302
                            Telephone (612) 973-1111

    IF YOU WOULD LIKE TO REQUEST DOCUMENTS, PLEASE DO SO BY DECEMBER 28, 1999 TO
RECEIVE THEM BEFORE THE SPECIAL MEETING. IF YOU REQUEST INCORPORATED DOCUMENTS
FROM U.S. BANCORP, U.S. BANCORP WILL MAIL THEM TO YOU BY FIRST CLASS MAIL, OR
ANOTHER EQUALLY PROMPT MEANS, WITHIN ONE BUSINESS DAY AFTER IT RECEIVES YOUR
REQUEST.
<PAGE>
                               TABLE OF CONTENTS

<TABLE>
<S>                                                           <C>
QUESTIONS AND ANSWERS ABOUT THE MERGER......................    1

SUMMARY.....................................................    2
  The Merger................................................    2
  General...................................................    2
  Exchange of Shares........................................    2
  Book-Entry Issuance of Your US Bancorp Stock..............    2
  Dissenters' Rights........................................    2
  The Companies.............................................    3
  Peninsula Special Meeting.................................    3
  Record Date; Vote Required................................    4
  Voting Agreements.........................................    4
  Peninsula's Reasons for the Merger........................    4
  Peninsula's Recommendation to Shareholders................    4
  Opinion of Peninsula's Financial Advisor..................    4
  Conditions to Completion of the Merger....................    5
  Termination of the Merger Agreement; Expenses.............    5
  Waiver and Amendment......................................    6
  Accounting Treatment......................................    6
  Regulatory Approvals......................................    6
  Interests of Directors and Officers in the Merger.........    6
  Material Federal Income Tax Consequences..................    7
  Material Differences in the Rights of Shareholders........    7
  Forward-looking Statements May Prove Inaccurate...........    7
  Unaudited Comparative per Common Share Data...............    8
  Comparative per Share Market Price Information............    9

SELECTED FINANCIAL DATA.....................................   10
  Selected Historical Financial Data of US Bancorp..........   10
  Selected Historical Financial Data of Peninsula Bank of
    San Diego...............................................   12

THE PENINSULA SPECIAL MEETING...............................   13
  General...................................................   13
  Matters to be Considered..................................   13
  Record Date and Outstanding Securities....................   13
  Quorum and Voting.........................................   13
  Revocation of Proxies.....................................   14
  Solicitation of Proxies...................................   14
  Communications by Peninsula Shareholders with Peninsula...   14
  Recommendation of the Peninsula Board.....................   15
  Beneficial Ownership of Peninsula Common Stock............   15

THE MERGER..................................................   16
  General...................................................   16
  The Merger................................................   16
  Exchange Ratio............................................   16
  Background of the Merger..................................   17
  Recommendation of the Peninsula Board of Directors and
    Peninsula's Reasons for the Merger......................   20
</TABLE>

                                       i
<PAGE>
<TABLE>
<S>                                                           <C>
  Opinion of Peninsula's Financial Advisor..................   21
  Effective Time............................................   26
  Exchange of Certificates; Book-Entry Ownership; Fractional
    Shares..................................................   26
  Conduct of Business Pending the Merger and Other
    Agreements..............................................   28
  Representations and Warranties............................   29
  Limitation on Acquisition Proposals.......................   30
  Conditions to Completion of the Merger....................   31
  Regulatory Approvals Required for the Merger..............   33
  Termination of the Agreement..............................   34
  The Voting Agreements.....................................   36
  Extension, Waiver and Amendment of the Agreement..........   37
  Stock Exchange Listing....................................   37
  Expenses..................................................   37
  Indemnification of Peninsula Directors and Officers by US
    Bancorp.................................................   37
  Interests of Certain Persons in the Merger................   37
  Resales of US Bancorp Common Stock........................   40
  Material Federal Income Tax Consequences..................   40
  Accounting Treatment......................................   41

PRICE RANGE OF COMMON STOCK AND DIVIDENDS...................   42
  US Bancorp................................................   42
  Peninsula Bank of San Diego...............................   43

INFORMATION ABOUT US BANCORP................................   44
  General...................................................   44
  Government Policies.......................................   44
  Supervision and Regulation................................   44
  Additional Information....................................   45

INFORMATION ABOUT PENINSULA BANK OF SAN DIEGO...............   45
  General...................................................   45
  Management's Discussion and Analysis of Financial
    Condition and Results of Operations.....................   48

DESCRIPTION OF US BANCORP CAPITAL STOCK AND COMPARISON OF
  SHAREHOLDER RIGHTS........................................   73
  Description of US Bancorp Capital Stock...................   73
  Additional Provisions of the US Bancorp Certificate and US
    Bancorp Bylaws..........................................   78
  Comparison of Rights of US Bancorp Stockholders and
    Peninsula Shareholders..................................   79

DISSENTERS' APPRAISAL RIGHTS................................   89

LEGAL MATTERS...............................................   91

EXPERTS.....................................................   91

OTHER MATTERS...............................................   91

WHERE YOU CAN FIND MORE INFORMATION ABOUT US BANCORP........   91

FORWARD-LOOKING STATEMENTS..................................   93
</TABLE>

                                       ii
<PAGE>
<TABLE>
<S>                                                           <C>
INDEX OF DEFINED TERMS......................................   95

PENINSULA BANK OF SAN DIEGO FINANCIAL STATEMENTS............  F-1

APPENDIX A
AGREEMENT AND PLAN OF MERGER................................  A-1

APPENDIX B
OPINION OF BANC OF AMERICA SECURITIES LLC...................  B-1

APPENDIX C
SECTION 215a OF TITLE 12 OF THE UNITED STATES CODE..........  C-1

APPENDIX D
CALIFORNIA CORPORATION CODE SECTION DEALING WITH DISSENTER'S
RIGHTS......................................................  D-1
</TABLE>

                                      iii
<PAGE>
                     QUESTIONS AND ANSWERS ABOUT THE MERGER

Q: WHY IS THIS MERGER PROPOSED?

A: Peninsula is proposing this merger because its board of directors has
concluded that this merger is in the best interest of its shareholders in that
it affords greater value and liquidity in the stock. Further, the combined
companies can offer Peninsula's customers a broader array of services and
products than Peninsula could offer on its own.

Q: WHAT WILL I RECEIVE IN THIS MERGER?

A: Under the merger agreement, you will have the right to receive shares of U.S.
Bancorp common stock for each share of Peninsula common stock that you own based
on the exchange ratio, unless you perfect your dissenters' right of appraisal.
The exact exchange ratio will depend on the "average closing price" of U.S.
Bancorp common stock. So long as this average closing price is between $27.4125
and $37.0875, the exchange ratio will be determined by dividing 40 by the
average closing price. If the average closing price is outside this range, the
exchange ratio will vary. However, in no event will you receive for each
Peninsula Share less than $35.2941 or more than $43.4738 in U.S. Bancorp stock.
On December   , 1999, U.S. Bancorp common stock closed at $      . If $
were the average closing price, you would receive       of shares of U.S.
Bancorp for each share of Peninsula which you own. "Average closing price" means
the average closing sale price on the New York Stock Exchange of U.S. Bancorp
common stock for the 20 consecutive trading days ending at the end of the third
trading day before we close the merger.

Q: HOW DO I VOTE?

A: Simply indicate on your proxy card how you want to vote and then sign and
mail your proxy card in the enclosed return envelope as soon as possible so that
your shares may be represented at the Peninsula special meeting. PENINSULA'S
BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS THAT YOU VOTE "FOR" THE MERGER.

Q: IF MY SHARES ARE HELD IN "STREET NAME" BY MY BROKER, WILL MY BROKER VOTE MY
SHARES FOR ME?

A: Your broker will not vote your shares for you unless you provide instructions
to your broker on how to vote. It is important therefore that you follow the
directions provided by your broker regarding how to instruct your broker to vote
your shares. If you fail to instruct your broker on how to vote your shares, the
effect will be the same as a vote against the merger agreement.

Q: WHAT ARE THE TAX CONSEQUENCES OF THE MERGER TO ME?

A: You are generally not expected to incur federal income tax as a result of the
merger, except with respect to cash you receive instead of fractional shares. To
review the tax consequences to Peninsula shareholders in greater detail, see
pages 40 through 41. THE TAX CONSEQUENCES OF THE MERGER TO YOU WILL DEPEND ON
YOUR OWN SITUATION. YOU SHOULD CONSULT YOUR TAX ADVISORS FOR A FULL
UNDERSTANDING OF THE TAX CONSEQUENCES OF THE MERGER TO YOU.

Q: CAN I CHANGE MY VOTE AFTER I HAVE MAILED MY SIGNED PROXY CARD?

A: Yes. You may change your vote at any time before your proxy is voted at the
special meeting. If your shares are held in your name you may do this in one of
three ways. First, you may send a written notice stating that you would like to
revoke your proxy. Second, you may complete and submit a new proxy card. If you
choose either of these two methods, you must submit your notice of revocation or
your new proxy card to Peninsula's Secretary or the inspectors of election.
Third, you may attend the meeting and vote in person. Simply attending the
Peninsula special meeting, however, will not revoke your proxy. If you have
instructed a broker to vote your shares, you must follow directions received
from your broker to change your vote or to vote at the Peninsula special
meeting.

Q: SHOULD I SEND IN MY CERTIFICATES NOW?

A: No. After the merger is completed, you will receive written instructions for
exchanging your stock certificates.

Q: WHEN DO YOU EXPECT THIS MERGER TO BE COMPLETED?

A: We are currently working to complete this merger in the first quarter of
2000.

Q: WHO CAN HELP ME ANSWER MY QUESTIONS?

A: If you have more questions about the merger or the special meeting, you
should contact:

Ms. Barbara Hosaka
Secretary
Peninsula Bank of San Diego
1331 Rosecrans Street
San Diego, CA 92166
(619) 226-5451

                                       1
<PAGE>
                                    SUMMARY

    THIS BRIEF SUMMARY HIGHLIGHTS SOME INFORMATION FROM THIS PROXY
STATEMENT/PROSPECTUS. IT DOES NOT CONTAIN ALL OF THE INFORMATION THAT MAY BE
IMPORTANT TO YOU. WE URGE YOU TO CAREFULLY READ THIS ENTIRE DOCUMENT AND THE
OTHER DOCUMENTS TO WHICH THIS DOCUMENT REFERS TO FULLY UNDERSTAND THE PROPOSED
MERGER.

THE MERGER (PAGE 16)

We have attached the Agreement and Plan of Merger, dated as of September 1,
1999, between U.S. Bancorp and Peninsula to this Proxy Statement/Prospectus as
Appendix A. Please read this merger agreement. It is the legal document that
governs the merger.

GENERAL (PAGE 16)

We propose a transaction in which Peninsula will merge with and into U.S. Bank
National Association, a wholly owned subsidiary of U.S. Bancorp. After the
merger, you will no longer own shares of Peninsula, and your shares of Peninsula
common stock will be exchanged for shares of U.S. Bancorp common stock as
described below. Subject to obtaining the approvals required, we expect to
complete the merger in the first quarter of 2000.

A brief description of U.S. Bancorp can be found under the caption "INFORMATION
ABOUT U.S. BANCORP." More complete information on the business, operations and
management of U.S. Bancorp can be found in U.S. Bancorp's public reports. See
"WHERE YOU CAN FIND MORE INFORMATION ABOUT U.S. BANCORP."

EXCHANGE OF SHARES (PAGE 16)

When the merger is completed, each of your shares of Peninsula common stock will
automatically become the right to receive shares of U.S. Bancorp common stock
based on the exchange ratio agreed to by Peninsula and U.S. Bancorp. This
exchange ratio provides that you will receive shares of U.S. Bancorp stock
valued at $40.00 for each Peninsula share that you hold, so long as the 20-day
average closing U.S. Bancorp stock price three days prior to completing the
merger is between $27.4125 and $37.0875. If this average U.S. Bancorp stock
price falls outside of this price range, the value you receive in U.S. Bancorp
stock will vary. However, in no event will you receive for each Peninsula share
less than $35.2941 or more than $43.4738 in U.S. Bancorp stock, valued as
provided by the merger agreement. See "THE MERGER--Exchange Ratio."
Promptly after we have completed the merger, you will receive written
instructions for surrendering your Peninsula stock certificates from First
Chicago Trust Company of New York, a division of EquiServe, which is U.S.
Bancorp's transfer agent. You should not send in your stock certificates until
you receive these instructions from First Chicago.

DO NOT SEND STOCK CERTIFICATES WITH YOUR PROXY CARD.

BOOK-ENTRY ISSUANCE OF YOUR U.S. BANCORP STOCK (PAGE 26)

After the merger is completed and First Chicago has received your Peninsula
stock certificates, your shares of U.S. Bancorp stock issued in the merger will
be registered in book-entry form. You will be mailed an account statement
reflecting your ownership. If you prefer, you may receive a stock certificate.

Book-entry ownership through the Direct Registration System is direct stock
ownership--just like holding a physical certificate--without the inconvenience
and risk associated with safeguarding physical certificates. You will be the
direct owner of your U.S. Bancorp shares and will receive all dividends and
communications directly from U.S. Bancorp. U.S. Bancorp's transfer agent will
periodically mail a statement to you reflecting the number of shares you own.

DISSENTERS' RIGHTS (PAGE 89)

Holders of Peninsula common stock who do not vote in favor of the merger and who
have fully complied with all applicable provisions of Section 215a of Title 12
of the United States Code may have the right to require U.S. Bancorp to purchase
the shares of Peninsula common stock held by them for cash at the fair market
value of those shares on September 1, 1999, the day prior to the announcement of
the proposed merger. California law does not permit fair market value of the
dissenting shares on the valuation date to include any appreciation or

                                       2
<PAGE>
depreciation as a result of the merger. See "DISSENTERS' APPRAISAL RIGHTS"
herein. See Appendix C, which is a copy of Section 215a, and Appendix D, which
is a copy of the relevant provisions of the California General Corporation Law
dealing with the valuation of Peninsula shares. The value of the dissenting
shares, determined in accordance with California law, may be less than the value
of the shares of U.S. Bancorp common stock to be received in connection with the
merger.

THE COMPANIES (PAGES 44 AND 45)

U.S. BANCORP
U.S. Bank Place
601 Second Avenue South
Minneapolis, Minnesota 55402-94302
(612) 973-1111

U.S. Bancorp is a regional multi-state bank holding company with its
headquarters in Minneapolis, Minnesota. U.S. Bancorp operates four banks and
eleven trust companies with banking offices in the Midwest and West. U.S.
Bancorp offers full-service brokerage services at approximately 100 offices
through a wholly owned subsidiary. The banking subsidiaries of U.S. Bancorp are
engaged in general retail and commercial banking business, and provide a wide
variety of services to individuals, businesses, industry, institutional
organizations, governmental entities and other financial institutions. U.S.
Bancorp also has various other subsidiaries engaged in financial services.

At September 30, 1999, U.S. Bancorp's assets totaled approximately
$77.0 billion, its deposits totaled approximately $48.0 billion and its
shareholders' equity totaled approximately $6.7 billion. U.S. Bancorp's market
capitalization of more than $22 billion at September 30, 1999 placed it tenth
among U.S. bank holding companies. For the quarter ended September 30, 1999,
U.S. Bancorp reported a return on average assets of 2.08%, a return on average
common equity of 24.5% and an efficiency ratio of 49.2%, before merger-related
items. Without the impact of investment banking and brokerage activity, its
efficiency ratio was 42.3%.

For further information concerning U.S. Bancorp, see "INFORMATION ABOUT U.S.
BANCORP" and "SUMMARY--SELECTED FINANCIAL DATA--Selected Historical Financial
Data of U.S. Bancorp" and the U.S. Bancorp documents incorporated by reference
in this Proxy Statement/Prospectus as described under "WHERE YOU CAN FIND MORE
INFORMATION ABOUT U.S. BANCORP."

PENINSULA BANK OF SAN DIEGO
1331 Rosecrans Street
San Diego, California 92166
(619) 226-5451

Peninsula Bank of San Diego is a California state-chartered bank which commenced
its operations on March 7, 1975. It engages in substantially all of the business
operations customarily conducted by a California independent community bank. Its
primary market area is San Diego County, which it principally services from its
10 banking offices located in the coastal region. Peninsula's banking services
include the acceptance of checking and savings deposits and the making of
commercial, Small Business Administration, real estate, consumer, and other
installment loans as well as a full range of electronic and other customary
banking services.

On September 30, 1999, Peninsula's assets were approximately $469 million, its
deposits were approximately $432 million and its shareholders' equity was
approximately $32 million. For the quarter ended September 30, 1999, Peninsula
reported a return on average assets of 1.11%, a return on average common equity
of 17.6% and an efficiency ratio of 70.1%.

For further information concerning Peninsula, see "INFORMATION ABOUT PENINSULA
BANK OF SAN DIEGO" and "SUMMARY--SELECTED FINANCIAL DATA--Selected Historical
Financial Data of Peninsula" herein. See "PENINSULA BANK OF SAN DIEGO FINANCIAL
STATEMENTS."

PENINSULA SPECIAL MEETING (PAGE 13)

The Special Meeting of Shareholders of Peninsula will be held on Tuesday,
January 11, 2000, at 7:30 p.m., local time, at the Peninsula Bank of San Diego,
1331 Rosecrans Street, San Diego, California 92166. At the Special Meeting,
shareholders of Peninsula will be asked:

- - to consider and vote on a proposal to approve the principal terms of the
  proposed merger of

                                       3
<PAGE>
  Peninsula with and into a subsidiary of U.S. Bancorp and the merger agreement;
  and

- - to consider and transact other business that may properly come before the
  Special Meeting and at any adjournments or postponements.

RECORD DATE; VOTE REQUIRED (PAGE 13)

You can vote at the Special Meeting if you owned Peninsula common stock at the
close of business on November 17, 1999. You can cast one vote for each share of
Peninsula common stock you owned at that time. TO APPROVE THE PRINCIPAL TERMS OF
THE MERGER AND THE MERGER AGREEMENT, THE HOLDERS OF NOT LESS THAN TWO-THIRDS OF
THE OUTSTANDING SHARES OF PENINSULA COMMON STOCK ALLOWED TO VOTE AT THE SPECIAL
MEETING MUST VOTE IN FAVOR OF DOING SO.

If you are the registered owner of your shares, you may vote them in person by
attending the Special Meeting or by mailing us your proxy if you are unable or
do not wish to attend. If your shares are deposited with a broker, they will
advise you about the Special Meeting and how to instruct them to vote your
shares (usually by signing and returning your proxy card to them). You can
revoke your proxy at any time before the Special Meeting by sending a written
notice revoking the proxy or a later-dated proxy to the Secretary of Peninsula
or the inspector of elections, or by attending the Special Meeting and voting in
person.

VOTING AGREEMENTS (PAGE 36)

Under voting agreements with U.S. Bancorp, each of the members of the Peninsula
board of directors and each executive officer of Peninsula has agreed to vote
his or her shares of Peninsula common stock in favor of the merger and the
merger agreement. As of November 17, 1999, these directors and executive
officers together were able to direct the voting of 932,717 shares (or
approximately 35.72%) of the outstanding Peninsula common stock.

PENINSULA'S REASONS FOR THE MERGER (PAGE 20)

After reviewing the proposed merger and evaluating Peninsula's operations and
prospects and those of U.S. Bancorp with its financial and legal advisors,
Peninsula's board of directors believes that the merger is in the best interest
of Peninsula as well as its shareholders, customers and the communities it
serves. In reaching its decision to approve the merger, Peninsula's board of
directors analyzed

(a) the terms of the merger;

(b) the alternatives for enhancing Peninsula's shareholder value, including
    Peninsula's prospects under several assumptions, in order to compare the
    value of a share of Peninsula common stock with the consideration proposed
    to be paid by U.S. Bancorp; and

(c) the history of U.S. Bancorp and the prospects of U.S. Bancorp if the merger
    was completed.

U.S. BANCORP'S REASONS FOR THE MERGER

U.S. Bancorp believes that the merger will provide U.S. Bancorp with an
attractive opportunity to expand its operations in San Diego county. U.S.
Bancorp believes that Peninsula's locations and business mix complement U.S.
Bancorp's existing presence in Southern California and will enable U.S. Bancorp
to offer its broad array of products and services to customers of Peninsula.

PENINSULA'S RECOMMENDATION TO SHAREHOLDERS (PAGE 20)

The board of directors of Peninsula believes that the merger is fair to you and
in your best interests, and unanimously recommends that you vote "FOR" the
proposal to approve the principal terms of the merger and the merger agreement.

OPINION OF PENINSULA'S FINANCIAL ADVISOR (PAGE 21)

Banc of America Securities LLC has acted as a financial advisor to Peninsula's
board of directors in connection with the merger and has delivered to the
Peninsula board of directors its written opinion that, as of August 31, 1999,
one day before the signing of the merger agreement, based upon and subject to
various qualifications and assumptions described in its opinion, the
consideration to be received from U.S. Bancorp was fair to the Peninsula
shareholders from a financial point of view. We have attached the full text of
the opinion to this document as Appendix B. You should read it completely to
understand the assumptions made, matters

                                       4
<PAGE>
considered and the limitations of the review made by Banc of America Securities
in providing its opinion.

Peninsula paid Banc of America Securities $175,000 in 1998. If we complete the
merger, Peninsula will pay to Banc of America Securities an additional fee of
approximately $1,280,000. Peninsula has also agreed to reimburse Banc of America
Securities for any liabilities assumed related to its engagement and any
out-of-pocket expenses, including those associated with the retention of legal
counsel and other experts.

CONDITIONS TO COMPLETION OF THE MERGER (PAGE 31)

The completion of the merger depends on a number of conditions being met. These
include:

- - approval of the principal terms of the merger and the merger agreement by the
  holders of not less than two-thirds of the outstanding Peninsula common stock;

- - approval of the merger by the federal and state regulatory authorities that
  regulate Peninsula and U.S. Bancorp;

- - the absence of (1) any injunction or legal restraint blocking the merger or
  (2) any proceedings by a government body trying to block the merger; and

- - receipt by each of Peninsula and U.S. Bancorp of an opinion of their
  respective tax advisors that the merger will constitute a "tax-free"
  reorganization under the Internal Revenue Code.

Either Peninsula or U.S. Bancorp could choose to complete the merger even though
a condition has not been satisfied, as long as it is not prohibited by law.
Peninsula and U.S. Bancorp cannot be certain when, or if, the conditions to the
merger will be satisfied or waived, or that the merger will be completed.

TERMINATION OF THE MERGER AGREEMENT; EXPENSES (PAGE 34)

Peninsula and U.S. Bancorp can agree at any time to terminate the merger
agreement without completing the merger. Also, either party can decide to
terminate the merger agreement if:

- - the other party breaches the merger agreement in a material way, and the
  breaching party does not correct the breach within 30 days;

- - the merger has not been completed by March 31, 2000, unless the failure to
  complete the merger by that time is due to a violation of the merger agreement
  by the party that wants to terminate the merger agreement;

- - any government agency denies an approval needed to complete the merger, and
  that denial has become final and nonappealable;

- - Peninsula does not obtain the necessary shareholder approval; or

- - a condition in the merger agreement becomes impossible to satisfy.

U.S. Bancorp may terminate the merger agreement if Peninsula's board of
directors withdraws or modifies, in some way adverse to U.S. Bancorp, its
recommendation to the Peninsula shareholders to approve the principal terms of
the merger, or recommends or approves any takeover proposal by a party not
affiliated with U.S. Bancorp, prior to the Special Meeting or any adjournments
or postponements of the Special Meeting.

Peninsula may terminate the merger agreement if it enters into a definitive
agreement providing for an unsolicited and financially superior takeover
proposal which Peninsula's board of directors is obligated by law to accept.

Except as described in the next several paragraphs concerning Peninsula's
payment of a termination fee under certain circumstances, the termination of the
merger agreement will not relieve a breaching party from liability for any
willful breach of the merger agreement.

If the merger agreement is terminated and the merger abandoned under certain
circumstances, Peninsula will pay to U.S. Bancorp $5,000,000 as a termination
fee. Peninsula would only be required to pay this fee in the event of any of the
following:

- - a termination of the merger agreement by Peninsula upon its entering into a
  definitive agreement providing for a superior takeover proposal with a party
  other than U.S. Bancorp;

                                       5
<PAGE>
- - a termination of the merger agreement by U.S. Bancorp due to a failure on the
  part of the Peninsula board of directors to recommend the merger; or

- - a termination of the merger agreement by Peninsula or U.S. Bancorp due to a
  failure of Peninsula to obtain the necessary shareholder approval or a
  material breach by either party if both (1) prior to termination, some other
  takeover proposal for Peninsula has been publicly announced and (2) the
  takeover proposal is consummated, or an agreement providing for such takeover
  proposal is entered into, on or prior to March 1, 2001.

Peninsula will not be required to pay this termination fee at anytime when U.S.
Bancorp is in material breach of the merger agreement, such that Peninsula is
entitled to terminate the merger agreement.

Payment of the termination fee by Peninsula will relieve Peninsula of any
liability for a breach, including a willful breach, of any of its
representations, warranties, covenants or other agreements contained in the
merger agreement.

WAIVER AND AMENDMENT (PAGE 37)

Peninsula and U.S. Bancorp may jointly amend the merger agreement. In addition,
each party may waive its right to require the other party to adhere to the terms
and conditions of the merger agreement. However, Peninsula may not amend the
merger agreement or waive a term of the merger agreement after Peninsula
shareholders approve the principal terms of the merger and the merger agreement
if the amendment or waiver (1) affects a principal term of the merger agreement,
such as reducing or changing the consideration that will be received by
Peninsula shareholders, or (2) violates the California General Corporation Law.

ACCOUNTING TREATMENT (PAGE 41)

U.S. Bancorp expects to account for the merger using the purchase method of
accounting under generally accepted accounting principles.

REGULATORY APPROVALS (PAGE 33)

We cannot complete the merger unless it is approved or exempted by the Board of
Governors of the Federal Reserve System, the Comptroller of Currency and the
California Department of Financial Institutions. Once the Board of Governors of
the Federal Reserve System, the Comptroller of Currency, and the California
Department of Financial Institutions approve the merger or grant a waiver or
exemption, as applicable, we have to wait anywhere from 15 to 30 days before we
can complete the merger, during which time the Department of Justice can
challenge the merger.

Peninsula and U.S. Bancorp have filed all of the required applications or
notices with the Board of Governors of the Federal Reserve System, the
Comptroller of Currency, the California Department of Financial Institutions,
and any other regulatory authorities.

As of the date of this document, the Board of Governors of the Federal Reserve
System and the California Department of Financial Institutions have granted
their waivers. However, we have not received all of the required approvals,
exemptions or waivers, including the approval of the Comptroller of the
Currency. While we do not know of any reason that we would not be able to obtain
the necessary approvals, exemptions or waivers in a timely manner, we cannot be
certain when or if we will obtain them.

INTERESTS OF DIRECTORS AND OFFICERS IN THE MERGER THAT DIFFER FROM YOUR
  INTERESTS (PAGE 37)

Some executive officers and directors of Peninsula have interests in the merger
that are somewhat different from yours because the terms of their agreements and
arrangements with Peninsula and/or U.S. Bancorp give them additional benefits
when a change in control of Peninsula occurs. These agreements and arrangements
include:

- - employment and change in control agreements with certain officers and
  directors; and

- - supplemental executive retirement plan agreements with certain officers and
  directors.

At the time of the signing of the merger agreement, the employment and change in
control agreements of Messrs. Rebelo, Willette, Alameda and Reschan and of
Ms. Hosaka and Ms. Jensen-Bigknife were terminated, and U.S. Bancorp entered
into new employment agreements with these executives to become effective at the
closing of the merger. These new employment agreements provide for various
incentives, such as

                                       6
<PAGE>
bonuses and grants of stock options and restricted stock. U.S. Bancorp also
agreed to assume the supplemental executive retirement plan agreements of
Messrs. Rebelo, Willette, Alameda and Reschan and Ms. Hosaka. Messrs. Rebelo,
Willette, Alameda and Reschan and Ms. Jensen-Bigknife also entered into
confidentiality/ nonsolicitation agreements with U.S. Bancorp.

Furthermore, following the merger, U.S. Bancorp will purchase directors' and
officers' insurance for the officers and directors of Peninsula and will
indemnify officers and directors of Peninsula for events occurring before the
merger, including events that are related to the merger agreement. This
indemnity and insurance will be in addition to the indemnification and insurance
to which those officers and directors of Peninsula who become officers and
directors of U.S. Bancorp following the completion of the merger will be
entitled while acting in that capacity at and after the merger.

Peninsula's board of directors knew about the interests described above, and
considered them when it approved the merger agreement and the merger.

MATERIAL FEDERAL INCOME TAX CONSEQUENCES (PAGE 40)

We expect that for United States federal income tax purposes, your exchange of
shares of Peninsula common stock for shares of U.S. Bancorp common stock
generally will not cause you to recognize any gain or loss. You will, however,
have to recognize income or gain in connection with any cash you receive for
your fractional shares or pursuant to the exercise of your dissenters' rights.

THIS TAX TREATMENT MAY NOT APPLY TO EVERY PENINSULA SHAREHOLDER. DETERMINING THE
ACTUAL TAX CONSEQUENCES OF THE MERGER TO YOU MAY BE COMPLICATED. THEY WILL
DEPEND ON YOUR SPECIFIC SITUATION AND ON SPECIAL FACTS NOT WITHIN OUR CONTROL.
YOU SHOULD CONSULT YOUR OWN TAX ADVISOR FOR A FULL UNDERSTANDING OF THE MERGER'S
TAX CONSEQUENCES.

See "THE MERGER--Material Federal Income Tax Consequences" beginning on page 40.

MATERIAL DIFFERENCES IN THE RIGHTS OF SHAREHOLDERS (PAGE 73)

The rights of U.S. Bancorp stockholders are governed by Delaware law and U.S.
Bancorp's Certificate of Incorporation and Bylaws. The rights of Peninsula
shareholders are governed by California law and Peninsula's Articles of
Incorporation and Bylaws. If the merger is completed, Peninsula shareholders
will become shareholders of U.S. Bancorp, and the rights of Peninsula
shareholders will be governed by Delaware law and by U.S. Bancorp's Certificate
of Incorporation and Bylaws.

FORWARD-LOOKING STATEMENTS MAY PROVE INACCURATE (PAGE 93)

This document contains forward-looking statements about our beliefs and
expectations. Forward-looking statements involve inherent risks and
uncertainties, and important factors could cause actual results to differ
materially from those anticipated, including the following:

- - general economic or industry conditions could be less favorable than expected;

- - changes in the domestic interest rate environment could reduce net interest
  income;

- - changes in the securities markets could adversely affect U.S. Bancorp's
  liquidity;

- - regulatory reform could alter U.S. Bancorp's business environment or affect
  its operations;

- - industry changes in information technology systems could present operational
  issues or require significant capital spending;

- - competitive pressures could intensify and affect U.S. Bancorp's profitability;

- - acquisitions may not produce anticipated revenue enhancements or cost savings
  and may result in unforeseen integration difficulties;

- - parties on which U.S. Bancorp relies may fail to remedy their Year 2000 issues
  or other unforseen Year 2000 complications may arise.

                                       7
<PAGE>
                  UNAUDITED COMPARATIVE PER COMMON SHARE DATA

    The following table presents selected comparative unaudited per share data
for U.S. Bancorp on a historical and pro forma combined basis, and for Peninsula
on a historical and pro forma equivalent basis, giving effect to the merger
using the purchase method of accounting. The information presented below is
derived from the consolidated historical financial statements of U.S. Bancorp
and Peninsula, including the related notes, incorporated by reference or
included in this document. This information should be read in conjunction with
the historical financial statements and the related notes. See "WHERE YOU CAN
FIND MORE INFORMATION ABOUT U.S. BANCORP" and "PENINSULA BANK OF SAN DIEGO
FINANCIAL STATEMENTS." The per share data included below is not necessarily
indicative of the results of future operations of the combined entity or the
actual results that would have been achieved had the merger been completed prior
to the periods indicated.

    The pro forma combined book values per share of U.S. Bancorp common stock
are based upon the pro forma total common equity for U.S. Bancorp and Peninsula,
divided by the total pro forma shares of U.S. Bancorp common stock, assuming
conversion of Peninsula common stock at an exchange ratio of 1.1268 shares of
U.S. Bancorp common stock for each share of Peninsula common stock for
September 30, 1999 and an exchange ratio of 1.0785 shares of U.S. Bancorp common
stock for each share of Peninsula common stock for December 31, 1998, as
dictated by Rule 11-2(b)(7) of Regulation S-X of the Securities Exchange Act of
1934, as amended, and the merger agreement. These assumed exchange ratios are
premised upon the U.S. Bancorp common stock price of $35.50 for September 30,
1999 and $37.0875 for December 31, 1998. The pro forma equivalent book values
per share of Peninsula common stock represent the pro forma combined amounts
multiplied by the assumed exchange ratios. The pro forma combined dividends
declared assume no changes in the historical dividends declared per share of
U.S. Bancorp common stock. The pro forma equivalent dividends per share of
Peninsula common stock represent the cash dividends declared on a share of U.S.
Bancorp common stock multiplied by the assumed exchange ratios. The pro forma
combined net income per share has been computed based on the average number of
outstanding shares of U.S. Bancorp, and the average number of outstanding shares
of Peninsula common stock adjusted for the assumed exchange ratios. The pro
forma equivalent net income per share of Peninsula common stock represents the
pro forma combined net income multiplied by the assumed exchange ratios.

<TABLE>
<CAPTION>
                                                         U.S. BANCORP
                                                         COMMON STOCK          PENINSULA COMMON STOCK
                                                    -----------------------   ------------------------
                                                                  PRO FORMA                 PRO FORMA
                                                    HISTORICAL    COMBINED    HISTORICAL    EQUIVALENT
                                                    ----------    ---------   ----------    ----------
<S>                                                 <C>           <C>         <C>           <C>
Book Value:
  September 30, 1999..............................     $9.20        $9.30       $12.30        $10.48
  December 31, 1998...............................      8.23         8.34        11.17          8.99

Dividends Declared:
  Nine months ended September 30, 1999............      .585         .585         .265          .659
  Year ended December 31, 1998....................       .70          .70         .335          .755

Net Income (basic):
  Nine months ended September 30, 1999............      1.57         1.57         1.47          1.77
  Year ended December 31, 1998....................      1.81         1.80         1.72          1.94

Net Income (diluted):
  Nine months ended September 30, 1999............      1.56         1.55         1.47          1.75
  Year ended December 31, 1998....................      1.78         1.78         1.72          1.92
</TABLE>

                                       8
<PAGE>
                 COMPARATIVE PER SHARE MARKET PRICE INFORMATION

    Shares of U.S. Bancorp common stock are listed on the New York Stock
Exchange, and shares of Peninsula common stock are listed on the OTC Bulletin
Board. The following table sets forth the closing prices per share of U.S.
Bancorp common stock and Peninsula common stock and the "equivalent per share
price" (as explained below) of Peninsula common stock as of September 1, 1999,
the last trading day before the date on which U.S. Bancorp and Peninsula
announced the merger, and as of December   , 1999, the last practicable date
prior to the date of this document. The "equivalent per share price" of
Peninsula common stock on any date equals the closing price of the U.S. Bancorp
common stock on that date multiplied by the exchange ratio as determined
according to the merger agreement. On December    , 1999, U.S. Bancorp common
stock closed at $     . If $     was the 20-day average closing U.S. Bancorp
stock price three days prior to completing the merger, the exchange ratio would
be     shares of U.S. Bancorp common stock for each share of Peninsula common
stock. This assumed exchange ratio has been used to calculate the "equivalent
per share price" for purposes of the table below. The actual exchange ratio may
vary. See "THE MERGER--Exchange Ratio."

<TABLE>
<CAPTION>
                                       U.S. BANCORP    PENINSULA     EQUIVALENT PER
MARKET PRICE PER SHARE AS OF           COMMON STOCK   COMMON STOCK    SHARE PRICE
- ----------------------------           ------------   ------------   --------------
<S>                                    <C>            <C>            <C>
September 1, 1999....................    $31.313        $ 30.50
December   , 1999....................
</TABLE>

    Of course, the market prices of U.S. Bancorp common stock and Peninsula
common stock will fluctuate prior to the merger. Therefore, you are encouraged
to obtain current stock price quotations for U.S. Bancorp common stock and
Peninsula common stock prior to the completion of the merger.

                                       9
<PAGE>
                            SELECTED FINANCIAL DATA

    In the following tables, we provide you with summary historical financial
data of U.S. Bancorp and Peninsula. We have prepared this information using the
unaudited consolidated financial statements for the nine-month periods ended
September 30, 1999 and 1998, and the audited consolidated financial statements
for the five years ended December 31, 1998 of U.S. Bancorp and of Peninsula.

    When you read this summary historical data, it is important that you also
read the historical financial statements and related notes in the quarterly and
annual reports of U.S. Bancorp filed with the Securities Exchange Commission,
the historical financial statements of Peninsula included in this Proxy
Statement/Prospectus, the section herein captioned "INFORMATION ABOUT PENINSULA
BANK OF SAN DIEGO--Management's Discussion and Analysis of Financial Condition
and Results of Operations of Peninsula Bank of San Diego," as well as the
section of the quarterly and annual reports of U.S. Bancorp titled "Management's
Discussion and Analysis of Financial Condition and Results of Operations." See
"WHERE YOU CAN FIND MORE INFORMATION ABOUT U.S. BANCORP" and "PENINSULA BANK OF
SAN DIEGO FINANCIAL STATEMENTS."

               SELECTED HISTORICAL FINANCIAL DATA OF U.S. BANCORP

<TABLE>
<CAPTION>
                                       FOR THE NINE MONTHS
                                       ENDED SEPTEMBER 30,                 FOR THE YEAR ENDED DECEMBER 31,
                                      ---------------------   ---------------------------------------------------------
                                        1999        1998        1998        1997        1996        1995        1994
                                      ---------   ---------   ---------   ---------   ---------   ---------   ---------
                                                        (DOLLARS IN MILLIONS, EXCEPT PER SHARE DATA)
<S>                                   <C>         <C>         <C>         <C>         <C>         <C>         <C>
INCOME STATEMENT DATA:
Net interest income
  (taxable-equivalent basis)........  $ 2,461.7   $ 2,324.8   $ 3,111.9   $ 3,106.0   $ 3,034.7   $ 2,886.6   $ 2,809.6
Provision for credit losses.........      385.0       278.0       379.0       460.3       271.2       239.1       243.7
                                      ---------   ---------   ---------   ---------   ---------   ---------   ---------
Net interest income after provision
  for credit losses.................    2,076.7     2,046.8     2,732.9     2,645.7     2,763.5     2,647.5     2,565.9
Securities gains (losses)...........       (3.4)       12.6        12.6         3.6        20.8         3.0      (124.2)
Restructuring and merger-related
  income............................         --          --          --          --       235.8          --          --
Other noninterest income............    1,998.2     1,623.9     2,244.0     1,611.6     1,526.5     1,310.3     1,239.1
Restructuring and merger-related
  charges...........................       34.7       172.4       216.5       511.6       127.7        98.9       225.3
Other noninterest expense...........    2,221.1     1,926.6     2,627.8     2,300.7     2,410.4     2,377.0     2,506.8
                                      ---------   ---------   ---------   ---------   ---------   ---------   ---------
Income from continuing operations
  before income taxes...............    1,815.7     1,584.3     2,145.2     1,448.6     2,008.5     1,484.9       948.7
Taxable-equivalent adjustment.......       31.7        38.5        51.3        57.9        64.1        63.9        69.0
Income taxes........................      646.5       567.6       766.5       552.2       725.7       523.9       311.5
                                      ---------   ---------   ---------   ---------   ---------   ---------   ---------
Income from continuing operations...    1,137.5       978.2     1,327.4       838.5     1,218.7       897.1       568.2
Loss from discontinued operations...         --          --          --          --          --          --        (8.5)
                                      ---------   ---------   ---------   ---------   ---------   ---------   ---------
Net income..........................  $ 1,137.5   $   978.2   $ 1,327.4   $   838.5   $ 1,218.7   $   897.1   $   559.7
                                      ---------   ---------   ---------   ---------   ---------   ---------   ---------

SELECTED FINANCIAL RATIOS:
Return on average assets............       1.99%       1.84%       1.85%       1.22%       1.81%       1.42%        .89%
Return on average common equity.....       24.0        21.4        21.9        14.6        21.1        17.2        10.9
Efficiency ratio....................       50.6        53.2        53.1        59.6        52.9        59.0        67.5
Net interest margin.................       4.84        4.91        4.87        5.04        5.04        5.10        4.99

SELECTED FINANCIAL RATIOS BEFORE
  RESTRUCTURING AND MERGER-RELATED
  ITEMS:
Diluted earnings per share..........  $    1.59   $    1.45   $    1.97   $    1.69   $    1.50   $    1.24   $     .89
Return on average assets............       2.03%       2.04%       2.04%       1.84%       1.73%       1.52%       1.13%
Return on average common equity.....       24.5        23.8        24.2        22.1        20.2        18.5        14.0
Efficiency ratio....................       49.8        48.8        49.1        48.8        52.8        56.6        61.9
Banking efficiency ratio(1).........       42.7        44.5        44.1        47.8        52.2        56.1        61.3
</TABLE>

                                       10
<PAGE>

<TABLE>
<CAPTION>
                                       FOR THE NINE MONTHS
                                       ENDED SEPTEMBER 30,                 FOR THE YEAR ENDED DECEMBER 31,
                                      ---------------------   ---------------------------------------------------------
                                        1999        1998        1998        1997        1996        1995        1994
                                      ---------   ---------   ---------   ---------   ---------   ---------   ---------
                                                        (DOLLARS IN MILLIONS, EXCEPT PER SHARE DATA)
<S>                                   <C>         <C>         <C>         <C>         <C>         <C>         <C>
PER COMMON SHARE:
Earnings per share from continuing
  operations........................  $    1.57   $    1.33   $    1.81   $    1.13   $    1.60   $    1.19   $     .73
Loss from discontinued operations            --          --          --          --          --          --        (.01)
                                      ---------   ---------   ---------   ---------   ---------   ---------   ---------
Earnings per share..................  $    1.57   $    1.33   $    1.81   $    1.13   $    1.60   $    1.19   $     .72
                                      ---------   ---------   ---------   ---------   ---------   ---------   ---------
Diluted earnings per share from
  continuing operations.............  $    1.56   $    1.31   $    1.78   $    1.11   $    1.57   $    1.16   $     .71
Loss from discontinued operations            --          --          --          --          --          --        (.01)
                                      ---------   ---------   ---------   ---------   ---------   ---------   ---------
Diluted earnings per share..........       1.56        1.31   $    1.78   $    1.11   $    1.57   $    1.16   $     .70
                                      ---------   ---------   ---------   ---------   ---------   ---------   ---------
Dividends paid(2)...................  $    .585   $    .525   $     .70   $     .62   $     .55   $     .48   $     .39

AVERAGE BALANCE SHEET DATA:
Loans...............................  $  60,259   $  55,416   $  55,979   $  53,513   $  50,855   $  47,703   $  44,584
Earning assets......................     68,005      63,359      63,868      61,675      60,201      56,556      56,233
Assets..............................     76,303      71,126      71,791      68,771      67,402      63,084      62,708
Deposits............................     47,772      47,237      47,327      47,336      47,252      44,726      46,146
Long-term debt......................     14,712      10,942      11,481       7,527       4,908       4,162       3,796
Common equity.......................      6,331       6,108       6,049       5,667       5,679       5,090       4,887
Total shareholders' equity..........      6,331       6,108       6,049       5,798       5,919       5,345       5,180

BALANCE SHEET DATA:
Loans...............................  $  60,265   $  56,850   $  59,122   $  54,708   $  52,355   $  49,345   $  46,375
Assets..............................     77,036      73,884      76,438      71,295      69,749      65,668      64,737
Deposits............................     47,978      48,496      50,034      49,027      49,356      45,779      46,115
Long-term debt......................     16,155      12,938      13,781      10,247       5,369       4,583       4,225
Common equity.......................      6,719       5,940       5,970       5,890       5,613       5,089       4,837
Total shareholders' equity..........      6,719       5,940       5,970       5,890       5,763       5,342       5,105
</TABLE>

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

(1) Without investment banking and brokerage activity.

(2) Dividends per share have not been restated for the merger of First Bank
    System, Inc. and U.S. Bancorp in August 1997 and the merger of First Bank
    System, Inc. and Metropolitan Financial Corporation in February 1995. U.S.
    Bancorp paid common dividends of $139.1 million through July 1997 ($.62 per
    share), $168.7 million in 1996 ($1.18 per share), $133.1 million in 1995
    ($1.06 per share) and $116.0 million in 1994 ($.94 per share). Metropolitan
    Financial Corporation paid common dividends of $25.1 million in 1994 ($.80
    per share).

                                       11
<PAGE>
       SELECTED HISTORICAL FINANCIAL DATA OF PENINSULA BANK OF SAN DIEGO

<TABLE>
<CAPTION>
                                       FOR THE NINE MONTHS
                                       ENDED SEPTEMBER 30,                 FOR THE YEAR ENDED DECEMBER 31,
                                      ---------------------   ---------------------------------------------------------
                                        1999        1998        1998        1997        1996        1995        1994
                                      ---------   ---------   ---------   ---------   ---------   ---------   ---------
                                                                   (DOLLARS IN THOUSANDS)
<S>                                   <C>         <C>         <C>         <C>         <C>         <C>         <C>
INCOME STATEMENT DATA:
Net interest income
  (taxable-equivalent basis)........  $17,186.0   $15,995.0   $21,653.0   $18,910.0   $16,759.0   $15,251.0   $13,557.0
Provisions for credit losses........      215.0       242.0       444.0       498.0       566.0       471.0       795.0
                                      ---------   ---------   ---------   ---------   ---------   ---------   ---------
Net interest income after provision
  for credit losses.................   16,971.0    15,753.0    21,209.0    18,412.0    16,193.0    14,780.0    12,762.0
Available-for-sale securities gains
  (losses)..........................       19.0        30.0        24.0        60.0         0.0        32.0        (6.0)
Other non-recurring gains...........        0.0         0.0         0.0         0.0         0.0         0.0         0.0
Other noninterest income............    3,713.0     3,691.0     4,912.0     4,094.0     3,690.0     3,075.0     2,806.0
Restructuring and merger-related
  charges...........................        0.0         0.0       402.0         0.0         0.0         0.0         0.0
Other nonrecurring charges..........        0.0         0.0         0.0         0.0         0.0         0.0         0.0
Other noninterest expenses..........   14,343.0    13,654.0    18,298.0    16,982.0    14,634.0    13,520.0    12,442.0
                                      ---------   ---------   ---------   ---------   ---------   ---------   ---------
Income from continuing operations
  before income taxes...............    6,360.0     5,820.0     7,445.0     5,584.0     5,249.0     4,367.0     3,120.0
Taxable-equivalent adjustment.......      160.0       155.0       239.0       275.0       318.0       405.0       495.0
Income taxes........................    2,358.0     2,130.0     2,704.0     1,708.0     1,877.0     1,420.0       745.0
                                      ---------   ---------   ---------   ---------   ---------   ---------   ---------
Net income..........................  $ 3,842.0   $ 3,535.0   $ 4,502.0   $ 3,601.0   $ 3,054.0   $ 2,542.0   $ 1,880.0
                                      =========   =========   =========   =========   =========   =========   =========
SELECTED FINANCIAL RATIOS:
Return on average assets............       1.11%       1.12%       1.05%        .95%        .92%        .88%        .71%
Return on average common equity.....       16.7        17.4        16.3        15.1        14.4        13.5        11.0
Efficiency ratio....................       70.1        71.0        72.2        75.2        73.0        73.9        78.0
Net interest margin.................       5.47        5.62        5.58        5.63        5.68        5.78        5.62
SELECTED FINANCIAL RATIOS BEFORE
  RESTRUCTURING AND MERGER-RELATED
  CHARGES AND OTHER NONRECURRING
  ITEMS:
Diluted earnings per share (1)......  $    1.47   $    1.35   $    1.82   $    1.38   $    1.17   $    0.97   $     .72
Return on average assets............       1.11        1.12        1.11        0.95        0.92        0.88        0.71
Return on average common equity.....       16.7        17.4        17.1        15.1        14.4        13.5        11.0
Efficiency ratio....................       70.1        71.0        70.6        75.2        73.0        73.9        78.0
Banking efficiency ratio............       70.1        71.0        70.6        75.2        73.0        73.9        78.0
PER COMMON SHARE
Earnings per share..................  $    1.47   $    1.35   $    1.72   $    1.38   $    1.17   $    0.97   $     .72
Diluted earnings per share..........       1.47        1.35        1.72        1.38        1.17        0.97         .72
Dividends paid (1)..................       .265        .221        .335         .27         .25         .23         .21
AVERAGE BALANCE SHEET DATA:
Loans...............................  $ 278,204   $ 237,237   $ 242,994   $ 218,607   $ 201,299   $ 179,717   $ 168,748
Earning assets......................    415,959     376,670     383,543     331,793     290,104     256,132     232,409
Assets..............................    461,116     420,992     427,837     379,600     330,519     290,386     262,982
Deposits............................    425,426     389,828     396,154     352,441     306,333     268,852     244,205
Common equity.......................     30,718      27,223      27,696      23,888      21,145      18,796      17,057
Total shareholders' equity..........     30,718      27,223      27,696      23,888      21,145      18,796      17,057
BALANCE SHEET DATA:
Loans...............................  $ 291,705   $ 253,263   $ 270,024   $ 232,198   $ 210,451   $ 188,980   $ 173,454
Assets..............................    468,930     438,850     455,590     418,245     343,820     318,874     267,850
Deposits............................    431,774     406,746     422,330     389,232     318,709     296,970     248,484
Common equity.......................     32,109      28,551      29,160      25,356      22,414      19,998      17,551
Total shareholders' equity..........     32,109      28,551      29,160      25,356      22,414      19,998      17,551
</TABLE>

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

(1) Calculations for each period are based on the current number of outstanding
    shares of 2,610,973 after the 5% stock dividend in July 1999.

                                       12
<PAGE>
                         THE PENINSULA SPECIAL MEETING

GENERAL

    This Proxy Statement/Prospectus (the "PROXY STATEMENT") is furnished in
connection with the solicitation of the enclosed proxy by the board of directors
of Peninsula (the "PENINSULA BOARD") for use at the Special Meeting of
Shareholders of Peninsula (the "SPECIAL MEETING") to be held at the offices of
Peninsula, 1331 Rosecrans Street, San Diego, CA 92106, on Tuesday, January 11,
2000, beginning at 7:30 p.m., local time, and at any adjournment or
postponement, pursuant to the accompanying Notice of Special Meeting. This Proxy
Statement is expected to be mailed to shareholders of Peninsula on or about
December   , 1999.

MATTERS TO BE CONSIDERED

    The Special Meeting will be held for the following purposes:

    1.  To consider and vote upon a proposal to approve the principal terms of
       the proposed merger (the "MERGER") of Peninsula and U.S. Bank National
       Association ("U.S. BANK") pursuant to the Agreement and Plan of Merger,
       dated as of September 1, 1999 (the "AGREEMENT"), between Peninsula and
       U.S. Bancorp and the Agreement itself. A copy of the Agreement is
       attached as Appendix A to this Proxy Statement. The Agreement provides
       for the Merger on the terms and subject to the conditions of the
       Agreement.

    2.  To consider and transact any other business that may properly come
       before the Special Meeting and at any adjournments or postponements of
       the Special Meeting.

RECORD DATE AND OUTSTANDING SECURITIES

    The Peninsula Board has fixed the close of business on November 17, 1999, as
the record date (the "RECORD DATE"). Only shareholders of record of common
stock, no par value per share, of Peninsula (the "PENINSULA COMMON STOCK") on
the books of Peninsula as of the close of business on the Record Date will be
entitled to notice of and to vote at the Special Meeting and any postponements
or adjournments of the Special Meeting. On the Record Date, Peninsula had
2,610,973 shares of Peninsula common stock issued and outstanding, and
approximately 472 shareholders of record.

QUORUM AND VOTING

    The approval of the Merger and the Agreement will require the affirmative
vote, in person or by proxy, of the holders of not less than two-thirds of the
outstanding shares of Peninsula common stock. A majority of all outstanding
shares of Peninsula common stock entitled to vote at the Special Meeting,
represented in person or by proxy, constitutes a quorum for the transaction of
business at the Special Meeting. Abstentions and broker non-votes are each
included in the determination of the number of shares present. They are not
counted, however, as votes either in favor of or against the proposal to approve
the principal terms of the Merger and the Agreement. If any other matters are
properly presented at the Special Meeting for consideration, including, among
other things, consideration of a motion to adjourn the Special Meeting to
another time or place, the persons named in the enclosed form of proxy and
acting thereunder will have discretion to vote such matters in accordance with
their best judgment. A vote of absentation as to any proposal as to which
absentation is permitted will be counted as a vote not in favor of a proposal.

    If a quorum is not obtained, or fewer shares of Peninsula common stock are
voted in favor of the principal terms of the Merger and the Agreement than
two-thirds of the shares eligible to vote at the Special Meeting, in person or
by proxy, the Special Meeting will be postponed or adjourned for the purpose of
allowing additional time for obtaining additional proxies or votes, and at any
subsequent reconvening of the Special Meeting, all proxies will be voted in the
same manner as the proxies would

                                       13
<PAGE>
have been voted at the original convening of the Special Meeting, except for any
proxies that have effectively been revoked or withdrawn prior to the subsequent
Special Meeting.

    Each Peninsula shareholder will be entitled to one vote, in person or by
proxy, for each share of Peninsula common stock in his or her name, on the books
of Peninsula, as of the Record Date, on any matter submitted to the vote of the
Peninsula shareholders at the Special Meeting.

    Shares of Peninsula common stock represented by proxies properly executed
and received by Peninsula in time to be voted at the Special Meeting will be
voted in accordance with the instructions indicated on the proxies and, if no
instructions are indicated, will be voted "FOR" the approval of the principal
terms of the Merger and the Agreement.

    All proxies voted "FOR" the approval of the principal terms of the Merger
and the Agreement, including proxies on which no instructions are indicated,
may, at the discretion of the proxy holder, be voted "FOR" a motion to adjourn
or postpone the Special Meeting to another time and/or place for the purpose of
soliciting additional proxies or otherwise.

    The Peninsula Board is not currently aware of any business to be acted upon
at the Special Meeting other than as described in this Proxy Statement. If,
however, other matters are properly brought before the Special Meeting, persons
appointed as proxies will have discretion to vote or act on the matters in their
best judgment.

REVOCATION OF PROXIES

    The presence of a Peninsula shareholder at the Special Meeting (or at any
adjournment or postponement) will not automatically revoke the shareholder's
proxy. However, a Peninsula shareholder may revoke a proxy at any time prior to
its exercise by:

    - delivery to the inspector of elections or the Secretary of Peninsula of a
      written notice of revocation prior to the Special Meeting (or, if the
      Special Meeting is adjourned or postponed, prior to the time the adjourned
      or postponed meeting is actually held);

    - delivery to the inspector of elections or the Secretary of Peninsula prior
      to the Special Meeting (or, if the Special Meeting is adjourned or
      postponed, prior to the time the adjourned or postponed meeting is
      actually held) of a duly executed proxy bearing a later date; or

    - attending the Special Meeting (or, if the Special Meeting is adjourned or
      postponed, by attending the adjourned or postponed meeting) and voting in
      person.

SOLICITATION OF PROXIES

    Proxies may be solicited by mail, personal interview, telephone and telecopy
by directors, officers and employees of Peninsula for no additional
compensation. Arrangements will also be made with brokerage firms and other
custodians, nominees and fiduciaries to forward proxy solicitation materials to
the beneficial owners of Peninsula common stock held of record by such persons.
The entire cost of soliciting proxies under this Proxy Statement will be borne
by Peninsula and will include amounts paid in reimbursement to banks, brokerage
firms, custodians, nominees and others for their expenses in forwarding
soliciting material to the beneficial owners of Peninsula common stock held of
record by that person. Peninsula will pay all expenses related to printing and
mailing this Proxy Statement. Furthermore, Peninsula and U.S. Bancorp will each
bear all costs that they each incur, including legal and accounting fees.

COMMUNICATIONS BY PENINSULA SHAREHOLDERS WITH PENINSULA

    Any written revocation of proxy or other communications in connection with
this Proxy Statement, and requests for additional copies of this Proxy Statement
or the Proxy Card, should be addressed to

                                       14
<PAGE>
Barbara Hosaka, Secretary, Peninsula Bank of San Diego, 1331 Rosecrans Street,
San Diego, California 92166. If you have any questions or need further
assistance in voting your shares, please call Barbara Hosaka at (619) 226-5451.

RECOMMENDATION OF THE PENINSULA BOARD

    At the meeting of the Peninsula Board held on August 31, 1999, the Peninsula
Board, by unanimous vote of the directors present, determined that the Merger is
fair to and in the best interests of the Peninsula shareholders, and approved
the Agreement and the transactions contemplated by the Agreement, and
recommended the approval of their principal terms by the Peninsula shareholders.

    Each of the directors and executive officers (in his or her capacity as a
Peninsula shareholder) have executed voting agreements (the "VOTING AGREEMENTS")
with Peninsula. In the Voting Agreements, each of the directors and executive
officers has agreed to vote or cause to be voted, in favor of the Agreement and
the Merger contemplated by the Agreement, all shares of Peninsula common stock
over which he or she has the power to vote, or direct the voting, at the time of
the Special Meeting. As of the Record Date, the directors and executive officers
of Peninsula had the ability to direct the voting of 932,717 shares of Peninsula
common stock, or approximately 35.72% of the total number of outstanding shares
of Peninsula common stock.

BENEFICIAL OWNERSHIP OF PENINSULA COMMON STOCK

    We know of no person who owns beneficially more than five percent (5%) of
the outstanding Peninsula common stock except as set forth below:

<TABLE>
<CAPTION>
                                                    COMMON STOCK BENEFICIALLY
                                                     OWNED ON NOVEMBER 1999
                                              -------------------------------------
                                                                   PERCENTAGE OF
NAME AND POSITION                             NUMBER OF SHARES   OUTSTANDING SHARES
- -----------------                             ----------------   ------------------
<S>                                           <C>                <C>
William E. Cole, Sr. .......................      145,941                5.59%
  Director of Peninsula
Arthur DeFever .............................      298,521               11.43%
  Director of Peninsula
John G. Rebelo, Jr. ........................      305,937               11.72%
  Chairman of the Board and Chief Executive
  Officer
</TABLE>

                                       15
<PAGE>
                                   THE MERGER

    THIS SECTION OF THE PROXY STATEMENT DESCRIBES, AMONG OTHER THINGS, THE
MATERIAL ASPECTS OF THE MERGER. THE FOLLOWING SUMMARY OF THE MATERIAL TERMS AND
PROVISIONS OF THE AGREEMENT IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO THE
AGREEMENT, WHICH IS ATTACHED AS APPENDIX A TO THIS PROXY STATEMENT.

GENERAL

    On September 1, 1999, U.S. Bancorp and Peninsula entered into the Agreement,
which provides for the merger of Peninsula with and into U.S. Bank. U.S. Bank
will be the surviving corporation in the Merger (the "SURVIVING CORPORATION").
Except for shares for which dissenters' rights have been properly perfected,
each share of Peninsula common stock issued and outstanding at the Effective
Time of the Merger (see "Effective Time" below) will be converted into the right
to receive shares of common stock, par value $1.25 per share, of U.S. Bancorp
(the "U.S. BANCORP COMMON STOCK") based on the exchange ratio in the Agreement
(the "EXCHANGE RATIO"). This Exchange Ratio provides that Peninsula shareholders
will receive shares of U.S. Bancorp Common Stock valued at $40.00 for each
Peninsula share that they hold, so long as the 20-day average closing U.S.
Bancorp Common Stock price three days prior to completing the Merger is between
$27.4125 and $37.0875. If this average U.S. Bancorp Common Stock price falls
outside of this price range, the value Peninsula shareholders receive in U.S.
Bancorp Common Stock will vary. However, in no event will Peninsula shareholders
receive less than $35.2941 or more than $43.4738 in U.S. Bancorp Common Stock,
valued as provided by the Agreement.

THE MERGER

    Subject to the terms and conditions of the Agreement, at the Effective Time,
Peninsula will merge with and into U.S. Bank. U.S. Bank will be the Surviving
Corporation and will continue its existence as a national banking association
under the Federal laws of the United States.

    At the Effective Time, the separate existence of Peninsula will terminate,
and holders of Peninsula common stock will cease to be, and will have no rights
as shareholders of Peninsula, other than to receive any dividend or other
distribution with respect to Peninsula common stock with a record date occurring
prior to the Effective Date. These holders will instead have the right to
receive U.S. Bancorp Common Stock and cash in lieu of fractional shares unless
they exercise their dissenters' rights. See "--Exchange Ratio" and "DISSENTERS'
APPRAISAL RIGHTS." below. After the Effective Time, there will be no transfers
on the stock transfer books of Peninsula or U.S. Bancorp, of shares of Peninsula
common stock.

EXCHANGE RATIO

    At the Effective Time, each share of Peninsula common stock issued and
outstanding immediately prior to the Effective Time will be converted, subject
to customary antidilution adjustments, as provided in the Agreement and
described below, into the right to receive a number of shares of U.S. Bancorp
Common Stock based on the Exchange Ratio. Subject to adjustments as provided
below, the Exchange Ratio will be determined by dividing 40 by the Average
Closing Price. "AVERAGE CLOSING PRICE" means the 20-day average closing price of
U.S. Bancorp Common Stock as reported on the New York Stock Exchange for the 20
consecutive trading days ending at the end of the third business day prior to
the Effective Date. The Exchange Ratio may be adjusted, however, as described in
detail below. If the Average Closing Price of U.S. Bancorp Common Stock is:

    1)  less than $27.4125 but greater than or equal to $24.1875, then the
       Exchange Ratio will be equal to 40 divided by 27.4125;

                                       16
<PAGE>
    2)  greater than $37.0875 but less than or equal to $40.3125, then the
       Exchange Ratio will be equal to 40 divided by 37.0875;

    3)  less than $24.1875, the Exchange Ratio will be equal to 35.2941 divided
       by the Average Closing Price;

    4)  greater than $40.3125, the Exchange Ratio will be equal to 43.4783
       divided by the Average Closing Price.

    If, prior to the Effective Time, the number of outstanding shares of
Peninsula common stock or U.S. Bancorp Common Stock is changed as a result of a
stock split, reorganization, recapitalization, reclassification, combination,
stock dividend, exchange of shares, reverse stock split, or other similar
changes in capitalization, or either party declares a stock dividend or
extraordinary cash dividend, an appropriate and proportionate adjustment will be
made to the Exchange Ratio.

    If, prior to the Effective Time, U.S. Bancorp is merged, acquired or
consolidated with any other corporation and the terms of such combination
provide that U.S. Bancorp Common Stock shall be converted into or exchanged for
shares of any other corporation or entity, provisions will be made as part of
the terms of such combination that shareholders of Peninsula entitled to receive
U.S. Bancorp Common Stock due to this Merger will be entitled to receive, in
lieu of each share of U.S. Bancorp Common Stock, the same kind and amount of
securities or assets, as shall be distributable upon such combination, with
respect to one share of U.S. Bancorp Common Stock.

BACKGROUND OF THE MERGER

    Peninsula conducts general banking operations in the coastal area of San
Diego County, California. In serving individuals, small businesses and
mid-market corporations, it has focused on a community-based approach to
banking. Peninsula has been cognizant of the rapidly changing structure in its
banking market, in part as a result of the significant consolidation of
financial institutions, resulting in increased competition from other banks,
thrifts, credit unions, commercial lenders and others. As is the case throughout
the United States, Peninsula believes that a process of consolidation will
continue to occur in the Southern California financial services industry,
resulting in, among other things, a reduction in the number of community and
independent banks.

    Peninsula perceived in late 1997 that the pace of financial institution
consolidation in California appeared to be accelerating and larger institutions
were attempting to increase their share of the markets they serve. At the same
time, community banks were combining and providing greater competition.
Peninsula examined prospects for internal growth, growth by acquisition of one
or more financial institutions and the possibility of a combination with a
larger institution. Prior to November 1997, Peninsula had been approached by
several financial institutions, including Western Bancorp, concerning an
acquisition.

    In November 1997, Peninsula requested Banc of America Securities LLC deliver
to its board of directors an oral presentation that compared Peninsula's
financial performance to that of its peers, that assessed the then current
economic environment and the California bank merger environment, and summarized
strategic alternatives generally available to a bank. In February 1998,
Peninsula retained Banc of America Securities as its investment bank to perform
general investment banking services, including advising it on strategic
alternatives. In this role, Banc of America Securities provided Peninsula with
financial summaries and public information regarding banks that had previously
indicated an interest in merger discussions. In addition, various pro forma
analyses were provided of Peninsula and potential partners.

    In mid-April 1998, Peninsula's Executive Committee asked Banc of America
Securities to prepare a summary confidential memorandum. Banc of America
Securities was also authorized to contact a list of potential buyers which
included Western Bancorp. The list did not include U.S. Bancorp. In

                                       17
<PAGE>
June 1998, two potential buyers returned preliminary indications of interest to
Banc of America Securities, and both conducted "due diligence" of Peninsula's
book and records. The bidders submitted binding offers during July.

    On July 7, 1998, the Peninsula Board met to discuss the two bids and
authorized Banc of America Securities to pursue negotiation of a definitive
agreement with Western Bancorp, one of the two bidders. On July 23, 1998, at a
meeting of the Peninsula Board, the board approved and adopted an acquisition
agreement with Western Bancorp. Banc of America Securities delivered its oral
opinion at the meeting that the consideration to be received in such acquisition
was fair to the Peninsula shareholders, as of the date of such opinion. After
the close of the market on July 24, 1998, Western Bancorp and Peninsula sent out
a joint press release publicly announcing the transaction.

    Almost immediately following the execution of the agreement with Western
Bancorp, the markets for financial institutions stocks in the United States went
into a decline. The consideration to be received by the shareholders of
Peninsula in the acquisition was to be shares of Western Bancorp. Therefore, the
decline in the market value of Western materially affected the value of the
stock the Peninsula shareholders would receive for their shares of Peninsula
common stock. Peninsula's management and board of directors continually
monitored the extent of the decline in the months following the execution of the
acquisition agreement.

    As part of the negotiations with Western Bancorp, Peninsula had negotiated
for the right to terminate the acquisition agreement if the market value of
Western Bancorp common stock declined (1) below a stated minimum price and
(2) as compared to a certain index of bank stocks. In October 1998, both
conditions to the so-called "double trigger" were met and Peninsula had the
right to terminate the acquisition agreement. Peninsula's management and board
of directors monitored the situation closely and had discussions with Banc of
America Securities and Peninsula's legal counsel. On October 30, 1998, the
Peninsula Board met and, after discussions with Western Bancorp in an
unsuccessful attempt to renegotiate the acquisition agreement to protect the
Peninsula shareholders in light of Western Bancorp's price decline both on an
absolute and a relative basis, the Peninsula Board voted unanimously to
terminate the transaction with Western Bancorp.

    Peninsula continued its relationship with Banc of America Securities, and
Banc of America Securities kept Peninsula informed of the current market
environment and of inquiries received by Banc of America Securities from parties
interested in Peninsula. On May 28, 1999, Banc of America Securities met with
Peninsula's Executive Committee to provide an update on the merger environment
and to discuss strategic alternatives, with particular emphasis on a sale or
"merger of equals." Banc of America Securities and Peninsula's Chief Executive
Officer were authorized to contact a list of 11 institutions, including U.S.
Bancorp, to ascertain their potential interest in an acquisition of Peninsula.
These 11 institutions were contacted in early June.

    Of the institutions contacted, U.S. Bancorp expressed the highest degree of
interest in an acquisition of Peninsula. U.S. Bancorp particularly emphasized
(1) its ability to pay a price reflecting a significant premium to Peninsula's
market price and earnings and (2) its lack of interest in participating in a
protracted bidding procedure. Various meetings and discussions took place
between Banc of America Securities and members of Peninsula's Executive
Committee and management about the prospects for such an acquisition by U.S.
Bancorp. Banc of America Securities was asked to and did present its analysis of
other possible purchasers, their respective strengths and weaknesses, and the
range of prices which could be paid by them. Because of U.S. Bancorp's high
degree of interest and because of Banc of America Securities' analysis,
Peninsula decided to (a) pursue discussions exclusively with U.S. Bancorp on the
basis of receiving its shares of common stock in exchange for the outstanding
shares of Peninsula common stock on a tax-free basis and (b) provide U.S.
Bancorp with information which could be of assistance in formulating a premium
priced offer. In furtherance of the discussions, Peninsula entered into a
confidentiality agreement with U.S. Bancorp on June 16, 1999. In late

                                       18
<PAGE>
June 1999, Peninsula began the process of both providing information about
Peninsula to U.S. Bancorp as well as receiving and analyzing information about
U.S. Bancorp.

    In late July 1999, a series of discussions between Banc of America
Securities and U.S. Bancorp occurred in which U.S. Bancorp expressed an initial
price range of $36.00 to $38.00 per share of Peninsula common stock. U.S.
Bancorp was subsequently informed that a bid in that range would not be
considered to be a significant enough premium and that Banc of America
Securities had been authorized to follow up with other institutions concerning
their interest in an acquisition of Peninsula. Several days thereafter, another
series of discussions occurred between representatives of U.S. Bancorp and Banc
of America Securities with U.S. Bancorp eventually revising its bid to $40.00
per share. Based on the revised bid, Peninsula authorized U.S. Bancorp to
commence its comprehensive "due diligence" of its books and records.

    On August 7, 1999, U.S. Bancorp completed its due diligence and confirmed
its interest at the $40.00 per share level.

    On August 9, 1999, the Peninsula Board met. Banc of America Securities
presented U.S. Bancorp's proposal for a $40.00 per share price, subject to
certain adjustments, in a transaction which would be accounted for as a
"purchase" for accounting purposes and as a tax-free reorganization for tax
purposes. The Peninsula Board authorized Banc of America Securities and its
counsel to continue negotiation of a definitive acquisition agreement based upon
such terms.

    In the following weeks, various discussions occurred between Banc of America
Securities and U.S. Bancorp as well as Peninsula's legal counsel and U.S.
Bancorp's legal counsel concerning the provisions of the Agreement and the other
related documents.

    While the negotiation and finalization of the Agreement and the other
related documents were ongoing, Banc of America Securities received an inquiry
regarding a possible acquisition of Peninsula by another financial institution
which it had previously contacted. This institution was informed that Peninsula
was very far along in a proposed transaction and that any potential bidder
needed to be prepared to move very quickly and with an attractive offer.
Peninsula was subsequently informed by this institution that it could not move
as quickly as Peninsula had indicated would be necessary.

    On August 31, 1999, the Peninsula Board held a meeting to discuss and
review, with the assistance of its legal counsel and Banc of America Securities,
the draft Agreement and the related documents. These included (1) the employment
agreements to be entered into with Messrs. Rebelo, Willette, Alameda and Reschan
and with Ms. Hosaka and Ms. Jensen-Bigknife by U.S. Bancorp, (2) the
confidentiality/nonsolicitation agreements to be entered into with
Messrs. Rebelo, Willette, Alameda and Reschan and Ms. Jensen-Bigknife by U.S.
Bancorp (See "--Interests of Certain Persons in the Merger") and (3) the Voting
Agreements (See "--The Voting Agreements"). Representatives of Banc of America
Securities reviewed financial information concerning U.S. Bancorp and the
proposed transaction. Banc of America Securities also delivered to the Peninsula
Board its oral opinion that, as of such date, the consideration to be received
by the Peninsula shareholders in the Merger was fair from a financial point of
view. See "--Opinion of Peninsula's Financial Advisor." Based upon the Peninsula
Board's review and discussion of the Agreement, its terms and conditions and the
related documents, the opinion of Banc of America Securities, as well as other
relevant factors, the Peninsula Board, by unanimous vote of all directors
present (Director DeFever was absent), authorized and approved the execution of
the Agreement.

    The Agreement was executed during the evening hours of September 1, 1999 and
a press release concerning the Merger was issued by the parties the next
morning.

                                       19
<PAGE>
RECOMMENDATION OF THE PENINSULA BOARD OF DIRECTORS AND PENINSULA'S REASONS FOR
  THE MERGER

    The Peninsula Board believes that the terms of the Merger are fair, and are
in the best interests of Peninsula and its shareholders and recommends that the
shareholders of Peninsula vote FOR approval of the Agreement and the Merger.

    In reaching its decision to approve the Merger, the Peninsula Board analyzed
alternatives for enhancing Peninsula's shareholder value, including Peninsula's
prospects under several assumptions, in order to compare the value of a share of
Peninsula common stock with the consideration to be paid by U.S. Bancorp. At the
same time, the Peninsula Board also reviewed the history of U.S. Bancorp and the
prospects of U.S. Bancorp if the Merger is completed. It also consulted with
Peninsula's legal advisor and Banc of America Securities. Factors that were
examined in this analysis include, but were not limited to, the following:

    - the prospects for Peninsula on a stand alone basis and on the basis of
      alternative stand alone strategies, such as growth through acquisitions;

    - the Peninsula Board's review with its legal and financial advisors of
      alternatives to the Merger, the range of possible values to Peninsula
      shareholders obtainable through implementation of alternatives and the
      timing and likelihood of the same;

    - the unprecedented consolidation currently underway in the banking industry
      and increased competition from larger banks in California;

    - the current and prospective economic environment and increasing regulatory
      and competitive burdens and constraints facing community banks;

    - the ability of a larger institution to compete in the banking environment
      and to leverage overhead costs;

    - the advantages of being part of a larger entity, including the potential
      for operating efficiencies and a higher lending limit for Peninsula's
      customers and prospective customers;

    - a review, based primarily on the analysis of Banc of America Securities,
      of the business, operations, earnings and financial condition of U.S.
      Bancorp on both a historical and a prospective basis, the enhanced
      opportunities for operating efficiencies and revenue enhancement that
      could result from the Merger, the enhanced opportunities for growth that
      the Merger could make possible and the respective contributions that the
      parties would bring to a combined institution;

    - the terms of the Agreement and other documents to be executed in
      connection with the Merger, including the exchange ratio in the Agreement
      noting that the implied value reflected a   % premium for Peninsula
      shareholders based on the closing price of U.S. Bancorp common stock and
      Peninsula common stock on August 31, 1999, two trading days prior to the
      announcement of the Merger;

    - the value of the consideration offered by U.S. Bancorp compared to the
      value of the consideration offered in other acquisitions of financial
      institutions in California in 1998 and 1999, and the prospects for
      enhanced value of the combined entity in the future;

    - the fact that the U.S. Bancorp Common Stock to be issued in the Merger to
      the Peninsula shareholders will be listed on the New York Stock Exchange
      and the future liquidity of U.S. Bancorp Common Stock;

                                       20
<PAGE>
    - the tax-free nature of the Merger; and

    - the presentation of Banc of America Securities and the opinion of Banc of
      America Securities that the consideration to be received by Peninsula
      shareholders pursuant to the Merger was fair to such shareholders from a
      financial point of view, as of the date of the opinion.

    The foregoing discussion of the information and factors considered by the
Peninsula Board is not intended to be exhaustive, but constitutes the material
factors considered by the Peninsula Board. In reaching its determination to
approve and to recommend the Agreement for approval by the shareholders, the
Peninsula Board did not assign relative or specific weights to the foregoing
factors and individual directors may have weighed such factors differently.

    FOR THE REASONS SET FORTH ABOVE, THE PENINSULA BOARD HAS APPROVED THE
AGREEMENT AS IN THE BEST INTEREST OF PENINSULA AND ITS SHAREHOLDERS AND
UNANIMOUSLY RECOMMENDS THAT THE PENINSULA SHAREHOLDERS APPROVE THE AGREEMENT.

OPINION OF PENINSULA'S FINANCIAL ADVISOR

    Pursuant to an engagement letter dated February 5, 1998, Peninsula engaged
Banc of America Securities LLC to perform general investment banking services,
including advising it on strategic alternatives. Subsequently, on May 20, 1998,
Peninsula specifically engaged Banc of America Securities to identify
opportunities for maximizing shareholder value, including a potential sale of
Peninsula. As part of its engagement, Banc of America Securities agreed to
render to the Peninsula Board an opinion with respect to the fairness from a
financial point of view of the consideration to be received by holders of
Peninsula common stock in a potential sale of Peninsula. In July 1998, Banc of
America Securities rendered a fairness opinion to Peninsula in connection with
its announced sale to Western Bancorp, which transaction was subsequently
terminated. In an agreement dated July 29, 1999, Peninsula confirmed its
May 20, 1998 agreement and once again engaged Banc of America Securities to
identify opportunities for maximizing shareholder value, including a potential
sale of Peninsula. Banc of America Securities is a nationally recognized
investment banking firm and, as part of its investment banking activities, is
regularly engaged in the valuation of businesses and their securities in
connection with merger transactions and other types of acquisitions, negotiated
underwritings, private placements and valuations for corporate and other
purposes. Peninsula selected Banc of America Securities to render the opinion on
the basis of its experience and expertise and its reputation in the banking and
investment communities.

    At a meeting of the Peninsula Board on August 31, 1999, Banc of America
Securities delivered its oral opinion, stating that the consideration to be
received by the shareholders of Peninsula pursuant to the Merger was fair to
such shareholders from a financial point of view, as of the date of such
opinion. No limitations were imposed by the Peninsula Board with respect to the
investigations made or procedures followed by Banc of America Securities in
rendering its opinion. Banc of America Securities' oral opinion was subsequently
confirmed in writing as of the date of the oral opinion.

    THE FULL TEXT OF BANC OF AMERICA SECURITIES' WRITTEN OPINION TO PENINSULA'S
BOARD OF DIRECTORS, DATED AUGUST 31, 1999, WHICH SETS FORTH THE ASSUMPTIONS
MADE, MATTERS CONSIDERED, AND LIMITATIONS OF THE REVIEW BY BANC OF AMERICA
SECURITIES, IS ATTACHED HERETO AS APPENDIX B AND IS INCORPORATED IN ITS
ENTIRETY. THE FOLLOWING SUMMARY OF BANC OF AMERICA SECURITIES' OPINION IS
QUALIFIED BY REFERENCE TO THE FULL TEXT OF THE OPINION. BANC OF AMERICA
SECURITIES' OPINION IS DIRECTED TO THE PENINSULA BOARD AND DOES NOT CONSTITUTE A
RECOMMENDATION TO ANY SHAREHOLDER AS TO HOW SUCH SHAREHOLDER SHOULD VOTE WITH
RESPECT TO THE MERGER. BANC OF AMERICA SECURITIES' OPINION ADDRESSES ONLY THE
FAIRNESS FROM A FINANCIAL POINT OF VIEW OF THE CONSIDERATION TO BE RECEIVED BY
HOLDERS OF PENINSULA COMMON STOCK AND DOES NOT ADDRESS THE RELATIVE MERITS OF
THE MERGER OR ANY ALTERNATIVES TO THE MERGER, THE UNDERLYING DECISION OF THE
PENINSULA BOARD TO PROCEED WITH OR EFFECT THE MERGER OR ANY OTHER ASPECT OF THE
MERGER. IN FURNISHING ITS OPINION, BANC OF AMERICA SECURITIES DID NOT ADMIT THAT
IT IS AN EXPERT WITHIN THE

                                       21
<PAGE>
MEANING OF THE TERM "EXPERT" AS USED IN THE SECURITIES ACT OF 1933, AS AMENDED,
NOR DID IT ADMIT THAT ITS OPINION CONSTITUTES A REPORT OR VALUATION WITHIN THE
MEANING OF THE SECURITIES ACT OF 1933, AS AMENDED, AND STATEMENTS TO SUCH EFFECT
ARE INCLUDED IN THE BANC OF AMERICA SECURITIES OPINION.

    In connection with its August 31, 1999 opinion, Banc of America Securities:

    - reviewed certain publicly available financial and other data with respect
      to Peninsula and U.S. Bancorp, including the consolidated financial
      statements for recent and interim periods to June 30, 1999 and certain
      other relevant financial and operating data relating to Peninsula and U.S.
      Bancorp, made available to it from published sources and from the internal
      records of Peninsula;

    - reviewed the financial terms and conditions of the August 30, 1999 draft
      of the Agreement;

    - reviewed publicly available information concerning the trading of, and the
      trading market for, Peninsula common stock and U.S. Bancorp Common Stock;

    - compared Peninsula and U.S. Bancorp from a financial point of view with
      certain other companies in the banking industry which Banc of America
      Securities deemed to be relevant;

    - considered the financial terms, to the extent publicly available, of
      selected recent business combinations of companies in the banking
      industry, which Banc of America Securities deemed to be comparable, in
      whole or in part, to the Merger;

    - reviewed and discussed with representatives of management of Peninsula and
      U.S. Bancorp certain information of a business and financial nature
      regarding Peninsula and U.S. Bancorp, furnished to it by Peninsula and
      U.S. Bancorp, including financial forecasts and related assumptions of
      Peninsula;

    - made inquiries regarding and discussed the Merger and the Agreement and
      other matters related thereto with Peninsula's counsel; and

    - performed such other analyses and examinations as it deemed appropriate.

    Banc of America Securities reviewed the August 30, 1999 draft of the
Agreement in its preparation of its opinion. While Peninsula and U.S. Bancorp
had the opportunity to agree to materially add, delete or alter material terms
of the Agreement prior to its execution, the final Agreement was substantially
similar to the August 30, 1999 draft of the Agreement.

    In connection with its review, Banc of America Securities did not assume any
obligation independently to verify the information listed above and relied on
its being accurate and complete in all material respects. With respect to the
financial forecasts for Peninsula, and the third-party analyst estimates
regarding U.S. Bancorp, upon the advice and with the consent of Peninsula's
management, Banc of America Securities assumed, for purposes of its opinion,
that the forecasts and estimates were reasonably prepared on bases reflecting
the best available estimates and judgments of Peninsula's management and
publicly available information of U.S. Bancorp as to the future financial
performance of Peninsula and U.S. Bancorp at the time of preparation, and that
they provided a reasonable basis upon which Banc of America could form its
opinion. Banc of America Securities assumed that there were no material changes
in Peninsula's or U.S. Bancorp's assets, financial condition, results of
operations, business or prospects since the respective dates of the last
financial statements of Peninsula and U.S. Bancorp made available to Banc of
America Securities. Banc of America Securities relied on advice of counsel and
independent accountants to Peninsula as to all legal and financial reporting
matters with respect to Peninsula, the Merger and the Agreement. Banc of America
Securities assumed that the Merger will be consummated in a manner that complies
in all respects with the applicable provisions of the Securities Act of 1933, as
amended (the "SECURITIES ACT"), the Securities Exchange Act of 1934, as amended,
and all other applicable federal and state statutes, rules and regulations.

                                       22
<PAGE>
    In addition, Banc of America Securities did not assume responsibility for
reviewing any individual credit files, or make an independent evaluation,
appraisal or physical inspection of any of the assets or liabilities (contingent
or otherwise) of Peninsula or U.S. Bancorp, nor was Banc of America Securities
furnished with any such appraisals. Banc of America Securities is not an expert
in the evaluation of loan portfolios for purposes of assessing the adequacy of
the allowances for losses with respect thereto and assumed, with Peninsula's
consent, that such allowances for each of Peninsula and U.S. Bancorp were in the
aggregate adequate to cover such losses. Peninsula informed Banc of America
Securities, and Banc of America Securities assumed, that the Merger will be
recorded as a purchase transaction under generally accepted accounting
principles. Finally, Banc of America Securities' opinion was based on economic,
monetary and market and other conditions as in effect on, and the information
made available to Banc of America Securities as of, the date of the opinion.
Accordingly, although subsequent developments may affect the opinion, Banc of
America Securities has not assumed any obligation to update, revise or reaffirm
its opinion.

    Set forth below is a brief summary of the information presented by Banc of
America Securities to the Peninsula Board on August 31, 1999 in connection with
its opinion. Some of the summaries of financial analyses performed by Banc of
America Securities include information presented in tabular format. In order to
fully understand the financial analyses performed by Banc of America Securities,
the tables must be read together with the text of each summary. The tables alone
do not constitute a complete description of the financial analyses. Considering
the data set forth in the tables without considering the full narrative
description of the financial analyses, including methodologies and assumptions
underlying the analyses, could create a misleading or incomplete view of the
financial analyses performed by Banc of America Securities.

    DISCOUNTED CASH FLOW ANALYSIS

    In performing a discounted cash flow analysis, Banc of America Securities
utilized management's estimates of future net income and assumed that any
tangible equity in excess of 6.5% of tangible assets generated through earnings
would be distributed as cash outflows to the Peninsula shareholders over a
four-year period. The estimated net income in the year 2003 was multiplied by an
earnings multiple ranging from 15.0x to 17.0x to generate a terminal value
representing the potential value of Peninsula in 2003. The cash distributions
and the terminal value were discounted back to the present using a 12.5% to
17.5% discount rate. This analysis indicated that the present value of the
Peninsula's future stock price plus cash distributions ranged from $25.96 to
$35.06 per share. The $40.00 per share offer from U.S. Bancorp exceeded the
range of values implied by this analysis. Discounted cash flow analysis is a
widely-used valuation methodology but it relies on numerous assumptions,
including asset and earnings growth rates, terminal values and discount rates.
The analysis is not necessarily reflective of the actual values of Peninsula
common stock.

    COMPARABLE PUBLIC COMPANY ANALYSIS

    Banc of America Securities compared selected balance sheet data,
profitability measures and market statistics of Peninsula to a comparison group
of nineteen publicly traded western banks, including: California Independent
Bancorp, Civic Bancorp, CVB Financial Corp., City National Corp., First Republic
Bank, Foothill Independent Bancorp, Greater Bay Bancorp, GBC Bancorp, Imperial
Bancorp, Mid-State Bank, Pacific Bank, Pacific Crest Capital, Redwood Empire
Bancorp, Pacific Capital Bancorp, Silicon Valley Bancshares, SJNB Financial
Corp., TriCo Bancshares, UnionBanCal Corp. and Westamerica Bancorp. The
multiples that were analyzed were price to book value, price to tangible book
value, price to latest twelve months ("LTM") earnings, price to 1999 estimated
earnings, price to deposits, and the ratio of the premium (i.e., purchase price
in excess of tangible book value) to core deposits. The medians of these
multiples were then multiplied by Peninsula's current financial values. This
analysis indicated a reference range for Peninsula's current common stock price
from

                                       23
<PAGE>
$23.15 to $35.32 per share with a median value of $26.40. The $40.00 per share
offer from U.S. Bancorp exceeded the range of values implied by this analysis.

    ANALYSIS OF SELECTED MERGER TRANSACTIONS

    Banc of America Securities reviewed the consideration paid in selected
categories of recent bank transactions. Specifically, Banc of America Securities
reviewed selected bank transactions from January 1, 1998 to August 30, 1999
consisting of (i) national bank mergers involving deal values greater than
$50 million and less than $250 million and (ii) bank mergers involving deal
values greater than $10 million and less than $500 million in California. For
each transaction, Banc of America Securities analyzed data illustrating purchase
price to book value, purchase price to adjusted book value (i.e., premium paid
on 6% normalized equity to assets and dollar for dollar for equity above 6%),
purchase price to tangible book value, purchase price to LTM earnings per share
("EPS"), purchase price to deposits, the ratio of the premium (i.e., purchase
price in excess of tangible book value) to core deposits, and the premium paid
relative to the seller's stock price thirty days prior to announcement.

    A summary of the median multiples in the analysis as compared to Peninsula
in the Merger are as follows:

<TABLE>
<CAPTION>
                                                      PRICE TO   PRICE TO                                    PREMIUM
                                           PRICE TO   ADJUSTED   TANGIBLE   PRICE TO              PREMIUM    TO PRICE
                                             BOOK       BOOK       BOOK       LTM      PRICE TO   TO CORE    30 DAYS
TRANSACTION CATEGORIES                      VALUE      VALUE      VALUE       EPS      DEPOSITS   DEPOSITS    PRIOR
- ----------------------                     --------   --------   --------   --------   --------   --------   --------
<S>                                        <C>        <C>        <C>        <C>        <C>        <C>        <C>
1998-1999 Year-to-Date National Mergers
  with Deal Values Greater than $50
  Million and Less than $250 Million.....    2.9x       3.9x       3.1x       23.4       31.9%      25.0%      37.0%

1998-1999 Year-to-Date Mergers with Deal
  Values Greater than $50 Million and
  Less than $500 Million in California...    2.6x       3.5x       2.7x       21.5x      28.5%      20.5%      34.5%

Multiples paid to Peninsula in the
  Merger.................................    3.4x       3.7x       3.4x       23.1x      24.9%      20.0%      40.4%
</TABLE>

    CONTRIBUTION ANALYSIS

    Banc of America Securities analyzed the contribution of each of Peninsula
and U.S. Bancorp to assets, loans, deposits, and total equity as of June 30,
1999, as well as each party's contribution to market capitalization, 1998
adjusted revenue, 1998 net income of the pro forma combined companies and
projected net income for the calendar year ending December 31, 1999. This
analysis indicated that based on the pro forma combined balance sheet of
Peninsula and U.S. Bancorp at June 30, 1999, Peninsula would have contributed
approximately 0.6% of the assets, 0.5% of the loans, 0.8% of the deposits, 0.5%
of the total equity, 0.4% of market capitalization, 0.5% of the 1998 adjusted
revenue and 0.3% of the 1998 net income. The pro forma projected income
statement for the period ending December 31, 1999 shows that Peninsula would
contribute approximately 0.3% of the net income in 1999. The median of these
measures of Peninsula's contribution was 0.5%. Based on an assumed exchange
ratio of 1.3035 shares of U.S. Bancorp common stock for each share of
Peninsula's common stock, holders of Peninsula's common stock would own
approximately 0.5% of the combined companies based on common shares outstanding
at June 30, 1999.

    PRO FORMA EARNINGS DILUTION ANALYSIS

    Using earnings estimates and projected growth rates for Peninsula provided
by its management and, in the case of U.S. Bancorp, by third-party research
analysts, Banc of America Securities compared estimated reported earnings per
share ("REPORTED EPS") and estimated cash earnings per share ("CASH EPS") of
U.S. Bancorp Common Stock on a stand-alone basis to the Reported EPS and

                                       24
<PAGE>
Cash EPS of the common stock for the pro forma combined company for the calendar
year ending December 31, 1999 and 2000. Banc of America Securities noted that
the Merger would result in dilution of (0.5%) and (0.4%) to U.S. Bancorp's
Reported EPS in 1999 and 2000, respectively, and dilution of (0.2%) to U.S.
Bancorp's Cash EPS in each of 1999 and 2000.

    These estimates were used for purposes of this analysis only and are not
necessarily indicative of expected results or plans of U.S. Bancorp, Peninsula,
or the combined company. Additionally, this analysis did not incorporate any
anticipated cost savings, revenue enhancements, or capital management
initiatives such as share buybacks that could result from the Merger.

    PRO FORMA BOOK VALUE/TANGIBLE BOOK VALUE DILUTION ANALYSIS

    Using data for the period ending June 30, 1999 and the exchange ratio of
1.3035 shares of U.S. Bancorp common stock for each share of Peninsula common
stock, Banc of America Securities compared the book value and the tangible book
value of U.S. Bancorp on a stand-alone basis to the pro forma book value and
tangible book value of the combined company. This analysis showed that the
merger would be accretive to U.S. Bancorp's book value by 1.2% and accretive to
U.S. Bancorp's tangible book value by 0.3%.

    PICKUP ANALYSIS

    Banc of America Securities applied the exchange ratio of 1.3035 shares of
U.S. Bancorp Common Stock for each share of Peninsula common stock to the
combined company's pro forma annualized cash dividend per share, Reported EPS
and Cash EPS in 1999 and 2000, book value per share and tangible book value per
share. The resulting values were then compared to Peninsula's figures on a
standalone basis. A summary of the results of Banc of America Securities' pickup
analysis is as follows:

<TABLE>
<CAPTION>
                                                               CURRENT                  ESTIMATED
                                                              PENINSULA    PRO FORMA     INCREASE
                                                             STAND-ALONE   PENINSULA   FROM CURRENT
                                                                VALUE      VALUE(1)       VALUE
                                                             -----------   ---------   ------------
<S>                                                          <C>           <C>         <C>
Annualized Cash Dividend Per Share.........................     $ 0.36      $ 1.02         182.4%
Estimated 1999 Reported EPS................................       1.90        2.85          50.2%
Estimated 1999 Cash EPS....................................       1.91        3.09          61.9%
Estimated 2000 Reported EPS................................       2.14        3.17          48.0%
Estimated 2000 Cash EPS....................................       2.14        3.42          59.8%
Book Value Per Share.......................................      11.86       11.47          (3.2)%
Tangible Book Value Per Share..............................      11.82        7.66         (35.2)%
</TABLE>

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

(1) Adjusted for an exchange ratio of 1.3035 shares of U.S. Bancorp Common Stock
    for each share of Peninsula common stock.

    EARNINGS GROWTH ANALYSIS

    Using a 15.9x terminal multiple (the median price to LTM earnings multiple
of the comparable publicly traded western banks) and a 15.0% discount rate, Banc
of America Securities determined that Peninsula would have to achieve an average
annual earnings growth rate of 25.6% through the year 2003 in order to obtain a
present value stock price of $40.00. Peninsula's estimated earnings growth rate
is less than that amount.

    While the foregoing summary describes all analyses and examinations that
Banc of America Securities considered to be material to its opinion, it is not a
comprehensive description of all analyses and examinations actually conducted by
Banc of America Securities. The preparation of a fairness opinion is not
susceptible to partial analysis or summary description. Banc of America
Securities

                                       25
<PAGE>
believes that its analyses and the above summary must be considered as a whole
and that selecting a portion of its analyses or factors considered, without
considering all analyses and factors, would create an incomplete view of the
process underlying the analyses in its presentation to Peninsula's board of
directors. Banc of America Securities did not assign any specific weight to any
of the analyses described above. The fact that any specific analysis has been
referred to in the summary above is not meant to indicate that such analysis was
given greater weight than any other analyses. Accordingly, the ranges of values
resulting from any particular analysis described above should not be taken to be
Banc of America Securities' view of the actual value of Peninsula.

    In performing its analyses, Banc of America Securities made numerous
assumptions with respect to industry performance, general business and economic
conditions and other matters, many of which are beyond the control of Peninsula
or U.S. Bancorp. The analyses performed by Banc of America Securities are not
necessarily indicative of actual values or actual future results, which may be
significantly more or less favorable than suggested by such analyses. Such
analyses were prepared solely as part of Banc of America Securities' analysis of
the fairness of the consideration to be received by the holders of Peninsula
common stock in the Merger and were provided to the Peninsula Board in
connection with the delivery of Banc of America Securities' opinion. The
analyses do not purport to be appraisals or to reflect the prices at which a
company might actually be sold or the prices at which any securities may trade
at the present time or any time in the future. The forecasts used by Banc of
America Securities in certain of its analyses are based on numerous variables
and assumptions, which are inherently unpredictable and must be considered not
certain of occurrence as projected. Accordingly, actual results could vary
significantly from those contemplated in such forecasts.

    As described above under "THE MERGER--Reasons for the Merger," Banc of
America Securities' opinion and presentation to the Peninsula Board were among
the many factors taken into consideration by the Peninsula Board in making its
determination to approve the Agreement, but should not be viewed as
determinative of the Peninsula Board or Peninsula's management's opinion with
respect to the value of Peninsula.

    Pursuant to the engagement letter, Peninsula paid Banc of America Securities
fees totaling $175,000 in 1998. Based on the transaction value at the time of
the announcement of the transaction, Banc of America Securities will receive an
additional fee of approximately $1,280,000 upon the closing of the Merger.
Accordingly, a significant portion of Banc of America Securities' fee is
contingent upon the closing of the Merger. Peninsula has also agreed to
reimburse Banc of America Securities for its reasonable out-of-pocket expenses,
including fees of legal counsel and other experts retained by Banc of America
Securities. Peninsula has agreed to indemnify Banc of America Securities, its
affiliates, and their respective partners, directors, officers, agents,
consultants, employees and controlling persons against certain liabilities,
including liabilities under the federal securities laws.

EFFECTIVE TIME

    The effective date for the Merger (the "EFFECTIVE DATE") will be the
business day mutually agreed upon by U.S. Bancorp and Peninsula after the last
to be satisfied or waived of the conditions to completion of the Merger set
forth in the Agreement has been fulfilled or waived. The "EFFECTIVE TIME" of the
Merger will be the time on the Effective Date when the Merger is completed.

EXCHANGE OF CERTIFICATES; BOOK-ENTRY OWNERSHIP; FRACTIONAL SHARES

    Promptly after the Effective Time, First Chicago Trust Company of New York,
a division of EquiServe (the "EXCHANGE AGENT") will send a form letter of
transmittal to Peninsula shareholders of record immediately prior to the
Effective Date. Peninsula shareholders will be instructed to mail the
certificates formerly representing their Peninsula common stock to the Exchange
Agent accompanied by this letter of transmittal. The U.S. Bancorp Common Stock
issued in the Merger will be issued as

                                       26
<PAGE>
uncertificated shares registered in book-entry form through the Direct
Registration System, and no certificates representing shares of U.S. Bancorp
Common Stock will be mailed to you unless you otherwise request. As a result,
instead of receiving stock certificates, you will receive account statements
reflecting your respective ownership interest in shares of U.S. Bancorp Common
Stock. Your book-entry shares will be held with the Transfer Agent. Any
stockholder who wants to receive a physical certificate evidencing his or her
shares of U.S. Bancorp Common Stock will be able to obtain a certificate at no
charge by contacting the Transfer Agent.

    PENINSULA COMMON STOCK CERTIFICATES SHOULD NOT BE RETURNED WITH THE ENCLOSED
PROXY AND SHOULD NOT BE FORWARDED TO THE EXCHANGE AGENT UNLESS AND UNTIL THE
PENINSULA SHAREHOLDER RECEIVES A LETTER OF TRANSMITTAL FOLLOWING THE EFFECTIVE
TIME.

    Until the certificates representing Peninsula common stock are surrendered
for exchange after the Effective Time, dividends or other distributions declared
after the Effective Time with respect to the U.S. Bancorp Common Stock into
which these Peninsula common stock have been converted will accrue but will not
be paid. When such certificates are surrendered, any unpaid dividends or other
distributions will be paid, without interest. After the Effective Time, there
will be no transfers on Peninsula's stock transfer books of Peninsula common
stock issued and outstanding immediately prior to the Effective Time. If
certificates representing shares of Peninsula common stock are presented after
the Effective Time for transfer, they will be canceled and exchanged for the
applicable shares of U.S. Bancorp Common Stock, subject to the provisions of the
Agreement.

    No fractional shares of U.S. Bancorp Common Stock will be issued to any
Peninsula shareholder upon completion of the Merger. For each fractional share
that would otherwise be issued, U.S. Bancorp will pay an amount in cash,
determined by multiplying the fraction by the average of the closing sale prices
of U.S. Bancorp Common Stock, as reported by the New York Stock Exchange
Composite Transactions Reporting System, as reported in THE WALL STREET JOURNAL
or, if not reported in that publication, in another authoritative service, for
the five NYSE trading days immediately preceding the Effective Date. No interest
will be paid on any cash that is paid for fractional share interests or for
dividends or distributions.

    If any shares of Peninsula common stock are not surrendered or the
consideration for them is not claimed prior to the date on which the
consideration would otherwise escheat to or become the property of any
governmental unit or agency, the unclaimed consideration will, to the extent
permitted by abandoned property and any other applicable law, become the
property of U.S. Bancorp (and to the extent not in its possession will be paid
over to U.S. Bancorp), free and clear of all claims or interest of any person
previously entitled to the claims. Notwithstanding the above, none of U.S.
Bancorp, Peninsula, the Exchange Agent or any other person will be liable to any
former Peninsula shareholder for any amount properly delivered to a public
official pursuant to applicable abandoned property, escheat or similar laws.

    If a certificate for Peninsula common stock has been lost, stolen or
destroyed, the exchange of certificates may still be completed if the Exchange
Agent receives appropriate evidence as to the loss and appropriate evidence as
to ownership of the certificate by the claimant. An indemnity reasonably
satisfactory to U.S. Bancorp may also be required.

    For a description of the U.S. Bancorp Common Stock and a description of the
differences between the rights of Peninsula shareholders, on the one hand, and
the U.S. Bancorp stockholders, on the other hand, see "DESCRIPTION OF U.S.
BANCORP CAPITAL STOCK AND COMPARISON OF SHAREHOLDER RIGHTS."

                                       27
<PAGE>
CONDUCT OF BUSINESS PENDING THE MERGER AND OTHER AGREEMENTS

    Pursuant to the Agreement, prior to the Effective Time, each of U.S. Bancorp
and Peninsula has agreed not to:

    - willfully take any action that the party reasonably should know would
      materially adversely affect or delay the ability of the party to perform
      any of its obligations under the Agreement;

    - take any action that would be reasonably likely to prevent the Merger from
      qualifying as a reorganization within the meaning of Section 368 of the
      Internal Revenue Code of 1986, as amended (the "CODE"); or

    - knowingly take any action that is intended or is reasonably likely to
      result in:

        --  any of its representations in the Agreement becoming untrue in any
    material respect;

        --  any of the conditions of the Merger not being satisfied; or

        --  a material violation of the Agreement except, in each case, as
    required by law.

    Peninsula has agreed, in addition to the foregoing, except as required by
applicable law, or previously disclosed, not to:

    - conduct its business except in the ordinary course consistent with past
      practice;

    - alter its capital structure with respect to its capital stock;

    - make, declare or pay any dividends, other than normal quarterly dividends
      on its capital stock not in excess of $0.09 per share of Peninsula common
      stock;

    - enter into, renew or amend its employment agreements except in the
      ordinary course of business, or as required by law, to satisfy previously
      disclosed contractual obligations or for grants of awards to newly hired
      employees consistent with past practice;

    - enter into, adopt or materially change its employee benefit plans, except
      as required by law or to satisfy previously disclosed contractual
      obligations;

    - dispose of or discontinue any of its assets, deposits, business or
      properties, except in the ordinary course of business;

    - acquire, or agree to acquire, any material assets (except other real
      estate owned), except in the ordinary course of business and in a
      transaction that is not material to Peninsula, taken as a whole;

    - make any capital expenditures out of the ordinary course of business or
      over $25,000 individually or $100,000 in the aggregate;

    - amend the Peninsula articles of incorporation or bylaws;

    - implement or adopt any change in its financial accounting principles,
      practices or methods, other than as may be required by generally accepted
      accounting principles ("GAAP") or regulatory accounting principles;

    - enter into, terminate or renew or amend any material contract, except in
      the ordinary course of business consistent with past practice;

    - implement or adopt any material change in its interest rate and other risk
      management policies, procedures or practice; fail to follow its existing
      policies or practices with respect to managing its exposure to interest
      rate risk; or fail to use commercially reasonable means to avoid any
      material increase in its aggregate exposure to interest rate risk, except
      as required by applicable law or regulation;

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<PAGE>
    - incur any indebtedness for borrowed money or voluntarily incur or become
      subject to any material liability, other than those within the ordinary
      course of business;

    - discharge any material lien or encumbrances on Peninsula's assets or pay
      or cancel any material debt or waive any right of material value of
      Peninsula, except in the ordinary course of business;

    - fail to maintain its current insurance policies or replace them without
      providing substantially equal coverage;

    - enter into any settlement in excess of $25,000 to which Peninsula became a
      party after the date of the Agreement;

    - make any agreement binding it to extend credit, except in the ordinary
      course of business, but in no event may an extension of credit exceed
      $1,500,000 without submitting loan package information to the chief credit
      officer of U.S. Bancorp for review with a right of comment, at least one
      full business day prior to taking any action; or

    - agree or commit to do any of the above.

REPRESENTATIONS AND WARRANTIES

    The Agreement contains representations and warranties of U.S. Bancorp, on
the one hand, and Peninsula, on the other hand. Peninsula has given
representations and warranties as to:

    - its corporate organization, existence and its articles of incorporation
      and bylaws;

    - its capitalization and corporate structure;

    - its ownership of other securities;

    - its corporate power and authority;

    - the approvals and consents required for the Merger and the compliance of
      the Agreement and the Merger with (1) various agreements, (2) its articles
      of incorporation and bylaws, and (3) applicable laws;

    - governmental and third-party approvals;

    - the accuracy and completeness of specified financial statements;

    - the absence of specified changes in its business since December 31, 1998;

    - the absence of undisclosed liabilities;

    - the absence of material legal proceedings and injunctions;

    - the absence of regulatory proceedings;

    - the completeness of its regulatory filings since December 31, 1996;

    - its compliance with all other laws and its own articles of incorporation
      and bylaws and the possession of all required permits;

    - the absence of undisclosed material contracts;

    - the absence of any knowledge of its default of any material contract or
      the termination of or decrease in business from a material customer;

    - the absence of any undisclosed broker's fees;

    - its compliance with labor laws and the lack of any knowledge of the
      resignation of key employees;

                                       29
<PAGE>
    - its employee benefit plans and related matters;

    - its labor matters;

    - its properties;

    - its knowledge of its environmental matters;

    - the filing, payment and accuracy of its tax returns and its belief as to
      the qualification of the Merger within the meaning of Section 368 of the
      Code;

    - its risk management instruments;

    - the accuracy of its books and records;

    - its loan portfolio;

    - the accuracy of its insurance policy disclosure and the absence of any
      default on its policies;

    - its affiliate transactions;

    - its lack of fiduciary accounts;

    - the extent of its millennium compliance; and

    - the exemption of the Agreement and the Merger from any antitakeover laws.

U.S. Bancorp, on the other hand, has given representations and warranties as to:

    - its corporate organization, existence and its certificate of incorporation
      and bylaws;

    - its capitalization and corporate structure;

    - its corporate power and authority;

    - the approvals and consents required for the Merger and the compliance of
      the Agreement and the Merger with (1) its material agreements, (2) its
      certificate of incorporation and bylaws, and (3) applicable laws;

    - consents or approvals by any governmental authorities or third parties
      that is necessary in connection with U.S. Bancorp's execution, delivery or
      performance of the Agreement or the Merger;

    - the timely filing of required regulatory reports (including Securities
      Exchange Commission ("SEC") filings) and their accuracy and completeness;

    - the absence of specified changes in its business since December 31, 1998;

    - its belief as to the qualification of the Merger within the meaning of
      Section 368 of the Code;

    - the absence of regulatory proceedings;

    - the absence of material legal proceedings;

    - its compliance with all other laws and its own certificate of
      incorporation and bylaws and the possession of all required permits; and

    - the extent of its millennium compliance.

LIMITATION ON ACQUISITION PROPOSALS

    Peninsula has agreed not to, and to cause its officers, directors, agents,
advisors and affiliates not to, solicit or encourage inquiries regarding
confidential information for, or engage in any negotiations concerning, any
proposal for the acquisition of Peninsula by a party other than U.S. Bancorp.
However,

                                       30
<PAGE>
if the Peninsula Board determines in good faith and in conformity with the
written advice of outside counsel, after Peninsula has received an unsolicited
Superior Proposal (as defined below), that the failure to do so would result in
a breach of the Peninsula Board's fiduciary duties to the Peninsula
shareholders, Peninsula may, in response to an unsolicited request for
information, furnish information to, and enter into discussions with, the party
making the Superior Proposal, after signing a customary confidentiality
agreement. After receiving a Superior Proposal, and prior to the Special
Meeting, the Peninsula Board may modify its approval or recommendation of the
Agreement in accordance with the written advice of outside counsel, in order
concurrently to enter into a definitive agreement with respect to such Superior
Proposal and simultaneously terminate the Agreement, if it determines in good
faith that the failure to modify its approval or recommendation would be in
breach of its fiduciary duties to the Peninsula shareholders. Under the
Agreement, a "SUPERIOR PROPOSAL" is defined as a written takeover proposal that
in the good faith judgment of the Peninsula Board (based on a written opinion of
Peninsula's financial advisor that the financial value of the consideration in
such takeover proposal exceeds the financial value of the consideration in the
Merger) is more favorable to the Peninsula shareholders than the Merger and is
made by a party financially capable of completing the takeover proposal.
Peninsula is required to inform U.S. Bancorp of any written takeover proposal,
its general terms and the identity of the party making the proposal within
24 hours of receipt.

CONDITIONS TO COMPLETION OF THE MERGER

    CONDITIONS TO EACH PARTY'S OBLIGATION TO EFFECT THE MERGER

    The respective obligation of each of U.S. Bancorp and Peninsula to complete
the Merger is subject to the fulfillment or written waiver by U.S. Bancorp and
Peninsula, prior to the Effective Time, of each of the following conditions:

    (1) The principal terms of the Agreement and the Merger shall have been
       approved by the requisite vote of the Peninsula shareholders;

    (2) All necessary regulatory approvals shall have been obtained and shall
       remain in full force and effect and all applicable statutory waiting
       periods shall have expired;

    (3) No governmental authority of competent jurisdiction shall have enacted,
       issued, promulgated, enforced or entered any statute, rule or regulation,
       or any judgment, decree, injunction or other order (whether temporary,
       preliminary or permanent) (an "INJUNCTION") which is in effect and
       prohibits consummation of the transactions contemplated by the Agreement;

    (4) The registration statement on Form S-4 of which this Proxy Statement is
       a part (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. The U.S.
       Bancorp Common Stock to be issued in the Merger shall have been approved
       for listing on the New York Stock Exchange, subject to official notice of
       issuance;

    (5) All permits and other authorizations under state securities laws
       necessary to complete the transactions contemplated by the Agreement and
       to issue the shares of U.S. Bancorp Common Stock to be issued in the
       Merger shall have been received and be in full force and effect; and

    (6) No proceeding initiated by any governmental authority seeking an
       Injunction shall be pending.

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<PAGE>
    CONDITIONS TO OBLIGATION OF PENINSULA

    The obligation of Peninsula to complete the Merger is also subject to the
fulfillment or written waiver by Peninsula prior to the Effective Time of each
of the following conditions:

    (1) The representations and warranties of U.S. Bancorp set forth in the
       Agreement shall be true and correct as of the date of the Agreement and
       as of the Effective Date 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 the Agreement or some other date shall be true and
       correct as of such date); and Peninsula shall have received a
       certificate, dated the Effective Date, signed on behalf of U.S. Bancorp
       by the Chief Financial Officer of U.S. Bancorp to that effect;

    (2) U.S. Bancorp shall have performed in all material respects all
       obligations required to be performed by it under the Agreement at or
       prior to the Effective Time, and Peninsula shall have received a
       certificate, dated the Effective Date, signed on behalf of U.S. Bancorp
       by the Chief Financial Officer of U.S. Bancorp to that effect;

    (3) Peninsula shall have received an opinion of Deloitte Touche Tohmatsu,
       special tax advisor to Peninsula, dated the Effective Date, substantially
       to the effect that, on the basis of facts, representations and
       assumptions set forth in the opinion that are consistent with the state
       of facts existing at the Effective Time, the Merger constitutes a tax
       free "reorganization" within the meaning of Section 368(a) of the Code;
       and

    (4) Since the date of the Agreement, there shall have been no material
       adverse change in, and no event, occurrence or development in the
       business of U.S. Bancorp or any of its subsidiaries that, taken together
       with other events, occurrences and developments with respect to the
       business, would have or would reasonably be expected to have a material
       adverse effect with respect to U.S. Bancorp and its subsidiaries, taken
       as a whole.

    CONDITIONS TO OBLIGATION OF U.S. BANCORP

    The obligation of U.S. Bancorp to complete the Merger is also subject to the
fulfillment or written waiver by U.S. Bancorp prior to the Effective Time of
each of the following conditions:

    (1) The representations and warranties of Peninsula set forth in the
       Agreement shall be true and correct as of the date of the Agreement and
       as of the Effective Date 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 the Agreement or some other date shall be true and
       correct as of such date); and U.S. Bancorp shall have received a
       certificate, dated the Effective Date, signed on behalf of Peninsula by
       the Chief Executive Officer and the Chief Financial Officer of Peninsula
       to that effect;

    (2) Peninsula shall have performed in all material respects all obligations
       required to be performed by it under the Agreement at or prior to the
       Effective Time; and U.S. Bancorp shall have received a certificate, dated
       the Effective Date, signed on behalf of Peninsula by the Chief Executive
       Officer and the Chief Financial Officer of Peninsula to that effect;

    (3) U.S. Bancorp shall have received an opinion of Dorsey & Whitney LLP,
       counsel to U.S. Bancorp, dated the Effective Date, to the effect that, on
       the basis of facts, representations and assumptions set forth in the
       opinion that are consistent with the state of facts existing at the
       Effective Time, the Merger constitutes a tax free "reorganization" within
       the meaning of Section 368(a) of the Code; and

    (4) Since the date of this Agreement, there shall have been no material
       adverse change in, and no event, occurrence or development in the
       business of Peninsula that, taken together with other

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<PAGE>
       events, occurrences and developments with respect to the business, would
       have or would reasonably be expected to have a material adverse effect
       with respect to Peninsula.

REGULATORY APPROVALS REQUIRED FOR THE MERGER

    Peninsula and U.S. Bancorp and its subsidiaries have agreed to use their
reasonable best efforts to take all actions, and to do all things necessary,
proper or desirable, or advisable under applicable laws, so as to permit
completion of the Merger as promptly as practicable and otherwise to enable
completion of the Merger and to cooperate fully with the other parties to that
end. In addition, they each agreed to provide truthful information in various
regulatory filings and promptly to correct any material omission. Each party may
reasonably review in advance and consult with the other with respect to all
written information submitted to any third party or regulatory authority in
connection with the Merger. Each party will consult with the other party with
respect to obtaining all material consents and approvals of third parties and
regulatory authorities, and each party will keep the other parties appraised of
the status of material matters relating to completion of the Merger.

    The requisite regulatory approvals for the Merger include approvals or
waivers from the Office of the Comptroller of the Currency (the "OCC"), the
Board of Governors of the Federal Reserve System (the "FRB") and the California
Department of Financial Institutions (the "DFI"). The Merger cannot proceed in
the absence of these requisite regulatory approvals or waivers. There can be no
assurance that such approvals will be obtained, and, if obtained, there can be
no assurance as to the date of any of these approvals or the absence of any
litigation challenging the approvals. U.S. Bancorp and Peninsula are not aware
of any other material governmental approvals or actions that are required prior
to the parties' completion of the Merger other than those described below. It is
presently contemplated that if any such additional governmental approvals or
actions are required, such approvals or actions will be sought. There can be no
assurance, however, that any of the approvals or actions will be obtained.

    FEDERAL RESERVE BOARD AND COMPTROLLER OF THE CURRENCY

    The Merger is subject to prior approval by the FRB under Section 3 of the
Bank Holding Company Act, as amended (the "BHCA"). The FRB may waive the
requirement of an application and prior approval under the BHCA in connection
with certain acquisitions of shares of a bank if the transaction is part of the
merger of the bank to be acquired with a subsidiary bank of the acquiring bank
holding company. The waiver may be granted if the bank merger is subject to
prior approval by another federal supervisory agency under Section 18(c) of the
Federal Deposit Insurance Act, as amended (commonly known as the "BANK MERGER
ACT"), if the acquiring bank holding company will continue to meet capital
adequacy guidelines and if some other regulatory conditions are met. U.S.
Bancorp and Peninsula have agreed to merge Peninsula into U.S. Bancorp's lead
subsidiary bank, U.S. Bank National Association. The Merger is subject to the
prior approval of the OCC under the Bank Merger Act and Section 215a of the
National Bank Act, as amended. U.S. Bancorp and Peninsula believe that all
conditions for a waiver from the FRB will be satisfied.

    The Bank Merger Act requires the OCC, when approving a transaction such as
the Bank Merger, to take into consideration the financial and managerial
resources (including the competence, experience and integrity of the officers,
directors and principal shareholders) and future prospects of the existing and
proposed institutions and the convenience and needs of the communities to be
served. In considering financial resources and future prospects, the OCC will,
among other things, evaluate the adequacy of the capital levels of the parties
to a proposed transaction and of the resulting institutions.

    The Bank Merger Act prohibits the OCC from approving a merger if it would
result in a monopoly or be in furtherance of any combination or conspiracy to
monopolize or to attempt to monopolize the business of banking in any part of
the United States, or if its effect in any section of

                                       33
<PAGE>
the country would be substantially to lessen competition or to tend to create a
monopoly, or if it would in any other manner result in a restraint of trade,
unless the OCC finds that the anti-competitive effects of the Merger are clearly
outweighed in the public interest by the probable effect of the transaction in
meeting the convenience and needs of the communities to be served. In addition,
under the Community Reinvestment Act of 1977, as amended (the "CRA"), the OCC
must take into account the record of performance of the existing institutions in
meeting the credit needs of the entire community, including low and
moderate-income neighborhoods, served by such institutions.

    The OCC will furnish notice and a copy of the application for approval of
the Merger to, and shall request reports on the competitive factors involved in
the Merger from, the FRB, the Federal Deposit Insurance Corporation ("FDIC") and
the United States Department of Justice ("DOJ"). These agencies have 30 days to
submit their views and recommendations to the OCC. The Bank Merger Act also
provides for the publication of notice of applications filed with the OCC, and
authorizes interested parties to submit comments and request hearings on such
applications. The OCC may grant or deny a request for a hearing and may limit
the issues to those the OCC deems relevant or material. If the OCC should grant
a request for a hearing, such action could delay the regulatory approvals
required for consummation of the Merger.

    Assuming OCC approval, the Merger may not be consummated until 30 days after
such approval, during which time the DOJ may challenge the Merger on antitrust
grounds. The commencement of an antitrust action would stay the effectiveness of
the OCC's approval unless a court specifically ordered otherwise. With the
approval of the OCC and the concurrence of the DOJ, the waiting period may be
reduced to not less than 15 days. U.S. Bancorp and Peninsula believe that the
Merger does not raise substantial antitrust or other significant regulatory
concerns and that they will be able to obtain all requisite regulatory approvals
on a timely basis without the imposition of any condition that would have a
material adverse effect on U.S. Bank.

    STATUS OF REGULATORY APPROVALS AND OTHER INFORMATION

    Peninsula and U.S. Bancorp have filed all applications and notices and have
taken (or will promptly take) other appropriate action with respect to any
requisite approvals or other action of any governmental authority. U.S. Bancorp
submitted its application to the OCC and provided a copy to the FRB and the DFI
on October 1, 1999, with a request for waiver of prior approval. The application
to the OCC was accepted for processing by the OCC on October 4, 1999. The FRB
granted its waiver of prior approval by letter dated October 15, 1999. The DFI
issued an Order of Exemption on             , 1999, exempting the transaction
from its approval requirements.

    THE MERGER CANNOT PROCEED IN THE ABSENCE OF THE REQUISITE REGULATORY
APPROVALS. THERE CAN BE NO ASSURANCE THAT ALL OF THESE REGULATORY APPROVALS WILL
BE OBTAINED OR AS TO THE DATES OF THE APPROVALS.

TERMINATION OF THE AGREEMENT

    TERMINATION

    The Agreement may be terminated, and the Merger may be abandoned, before or
after approval of the matters presented in connection with the Merger by the
Peninsula shareholders, as follows:

    (1) At any time prior to the Effective Time, the Agreement may be terminated
       by the mutual consent of U.S. Bancorp and Peninsula.

                                       34
<PAGE>
    (2) At any time prior to the Effective Time, the Agreement may be terminated
       by U.S. Bancorp or Peninsula, upon written notice to the other party, in
       the event of either:

       (a) a material breach by the other party of any representation or
           warranty contained in the Agreement, which breach cannot be or has
           not been cured within 30 days after the giving of written notice to
           the breaching party of the breach; or

       (b) a breach by the other party in any material respect of any of the
           covenants or agreements contained in the Agreement, which breach
           cannot be or has not been cured within 30 days after the giving of
           written notice to the breaching party of the breach.

    (3) At any time prior to the Effective Time, the Agreement may be terminated
       by U.S. Bancorp or Peninsula, in the event that the Merger is not
       completed by March 31, 2000, except to the extent that the failure of the
       Merger then to be completed arises out of or results from the failure of
       the party seeking to terminate to perform or observe the covenants and
       agreements of the party set forth in the Agreement.

    (4) The Agreement may be terminated by Peninsula or U.S. Bancorp, in the
       event that the approval of any governmental authority required for
       completion of the Merger and the other transactions contemplated by the
       Agreement has been denied by a final nonappealable action of any
       governmental authority, or the Agreement may be terminated by Peninsula
       or U.S. Bancorp in the event that the shareholder approval required for
       adoption of the Agreement and Merger is not obtained at the Special
       Meeting.

    (5) At any time prior to the Special Meeting, the Agreement may be
       terminated by U.S. Bancorp if the Peninsula Board has failed to recommend
       the Merger to the Peninsula shareholders, withdrawn the recommendation or
       modified or changed the recommendation in a manner adverse, in any
       respect, to the interests of U.S. Bancorp, or has recommended or approved
       any takeover proposal by a party not affiliated with U.S. Bancorp. The
       Agreement may also be terminated by U.S. Bancorp if Peninsula has entered
       into any agreement with respect to any takeover proposal or the Peninsula
       Board resolves to change their recommendation or enter into any agreement
       regarding any takeover proposal.

    (6) The Agreement may be terminated by either U.S. Bancorp or Peninsula, if
       any of the conditions to the party's obligation to complete the
       transactions contemplated in the Agreement has become impossible to
       satisfy.

    (7) The Agreement may be terminated by Peninsula in connection with entering
       into a definitive agreement providing for a Superior Proposal.

    EFFECT OF TERMINATION AND ABANDONMENT

    Except as provided below, termination will not relieve a breaching party
from liability for any willful breach of the Agreement giving rise to the
termination. In the event of termination, Peninsula has agreed to pay U.S.
Bancorp the sum of $5,000,000 (the "TERMINATION FEE") if:

    - Peninsula terminates the Agreement in connection with entering into a
      definitive agreement providing for a Superior Proposal; or

    - U.S. Bancorp terminates the Agreement because the Peninsula Board fails to
      recommend the Merger to the Peninsula shareholders in the agreed form; or

    - the Merger was abandoned by either party as a result of a breach by the
      other party or due to the inability to obtain the necessary approval of
      Peninsula shareholders at the Special Meeting, but only if both (1) prior
      to the termination, it was publicly announced that a third party made or
      disclosed the intention to make a takeover proposal and (2) the takeover
      had been

                                       35
<PAGE>
      consummated, or an agreement providing for a takeover proposal is entered
      into, on or prior to March 1, 2001.

    Payment of the Termination Fee by Peninsula relieves Peninsula of liability
for any breach, including a willful breach, of any of Peninsula's
representations, warranties, covenants or other agreements contained in the
Agreement. The Termination Fee will not be payable to U.S. Bancorp at any time
when U.S. Bancorp is in material breach of any of its covenants or agreements
contained in the Agreement, such that Peninsula would be entitled to terminate
the Agreement.

THE VOTING AGREEMENTS

    Peninsula has entered into Voting Agreements with each of Lawrence G.
Alameda, Grace Evans Cherashore, William E. Cole, Sr., Arthur DeFever, James E.
Fink, Brian Gowland, Daniel D. Herde, Barbara Hosaka, Richard J. Lareau, Anthony
Mauricio, Jr., Michael Morton, John G. Rebelo, Jr., Larry L. Willette, each a
shareholder, a current director and/or an executive officer of Peninsula. These
shareholders have the power in the aggregate to direct the voting of 35.72% of
the issued and outstanding shares of Peninsula common stock as of the Record
Date. Each of these shareholders has agreed, in consideration of the substantial
expenses incurred by Peninsula and U.S. Bancorp in connection with the Agreement
and as a condition to Peninsula and U.S. Bancorp entering into the Agreement, to
vote or to cause to be voted, or to execute a written consent with respect to,
all of the shares of Peninsula common stock with respect to which the
shareholder has the power to direct the voting of, in favor of adoption and
approval of the Agreement and the Merger, against any competing takeover
proposals, against any change in a majority of the Peninsula Board, and against
any change in the capitalization of Peninsula or any amendment of Peninsula's
Articles of Incorporation or Bylaws, at every meeting of Peninsula shareholders
at which the Agreement and the Merger are considered and at every adjournment or
postponement of the Special Meeting and in connection with every proposal to
take action by written consent with respect to the Agreement and the Merger.

    Each Voting Agreement also provides that the shareholder will not, and will
not permit any entity under its control to, deposit any of the shareholder's
shares of Peninsula common stock in a voting trust or subject any of the shares
to any agreement, arrangement or understanding with respect to the voting of the
shares inconsistent with the Voting Agreement entered into by that shareholder.

    The Voting Agreements will terminate upon the earlier to occur of the
completion of the Merger (except for certain provisions which will survive the
completion of the Merger) or the date on which the Agreement is terminated in
accordance with its terms.

    The Voting Agreements bind the actions of the signatories to the agreements
only in their capacity as Peninsula shareholders. Those directors of Peninsula
who signed Voting Agreements are not and could not be contractually bound to
abrogate their fiduciary duties as directors of Peninsula. Accordingly, while
the shareholders/directors are, under the Voting Agreements executed by them,
contractually bound to vote as a Peninsula shareholder in favor of the Merger
and against other acquisition proposals (should any be presented), their
fiduciary duties as Peninsula directors nevertheless required them to act in
their capacity as directors in the best interest of Peninsula when they decide
to approve the Merger. In addition, the shareholders/directors will continue to
be bound by their fiduciary duties as Peninsula directors with respect to any
decisions they may take in the future in connection with the Merger or
otherwise.

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<PAGE>
EXTENSION, WAIVER AND AMENDMENT OF THE AGREEMENT

    At any time prior to the Effective Time, U.S. Bancorp and Peninsula, by
action taken or authorized by their respective Boards of Directors, may, to the
extent legally allowed:

    - extend the time for the performance of any of the obligations or other
      acts of the other party;

    - waive any inaccuracies in the representations and warranties contained in
      the Agreement or in any document delivered pursuant to the Agreement; and

    - waive compliance with any of the agreements or conditions contained in the
      Agreement.

    Any agreement on the part of a party to any extension or waiver will be
valid only if set forth in a written instrument signed on behalf of such party,
but the extension or waiver or failure to insist on strict compliance with an
obligation, covenant, agreement or condition will not operate as a waiver of, or
estoppel with respect to, any subsequent or other failure.

    Prior to the Effective Time, any provision of the Agreement may be amended
or modified at any time, by an agreement in writing between the parties,
executed in the same manner as the Agreement. However, after the Special
Meeting, the Agreement may not be amended if it would violate the California
General Corporation Law (the "CGCL") or reduce the amount or change the form of
the consideration to be received by Peninsula shareholders in the Merger.

STOCK EXCHANGE LISTING

    U.S. Bancorp has agreed to use its reasonable best efforts to list, prior to
the Effective Date, on the New York Stock Exchange, subject to official notice
of issuance, any newly issued shares of U.S. Bancorp Common Stock to be issued
to the holders of Peninsula common stock in the Merger.

EXPENSES

    Except for any Termination Fee payable under the Agreement and except for
proxy printing and solicitation costs to be borne by Peninsula, the Agreement
generally provides that each of U.S. Bancorp and Peninsula will pay its own
expenses in connection with the Merger and the transactions contemplated by the
Agreement.

INDEMNIFICATION OF PENINSULA DIRECTORS AND OFFICERS BY U.S. BANCORP

    U.S. Bancorp has agreed to indemnify and hold harmless all present and
former Peninsula directors, officers and employees against costs and expenses
incurred in connection with any actual or threatened claim or proceeding,
arising out of matters existing or occurring at or prior to the Effective Time,
to the fullest extent permitted by law. U.S. Bancorp has also agreed, for a
period of six years after the Effective Date, to provide insurance for
Peninsula's officers and directors with respect to claims against those officers
and directors arising from facts or events that occurred on or before the
Effective Time. However, U.S. Bancorp is obligated to expend no more than 200%
per annum of the current amount expended by Peninsula to maintain directors' and
officers' insurance coverage.

INTERESTS OF CERTAIN PERSONS IN THE MERGER

    EMPLOYMENT AGREEMENTS

    Peninsula had existing employment and change in control agreements with
Messrs. Rebelo, Willette, Alameda and Reschan and with Ms. Hosaka and
Jensen-Bigknife (the "PREVIOUS EMPLOYMENT AGREEMENTS") which Peninsula had
entered into to provide continuity of management during this period

                                       37
<PAGE>
of uncertainty and consolidation in the banking industry in California. In
general, the Previous Employment Agreements provided for:

    (1) a two-year term of employment with Peninsula from January 1, 1998, with
       an extension, without notice by the parties, of another two-year term;

    (2) a base salary;

    (3) a bonus at the discretion of Peninsula's Compensation Committee;

    (4) certain fringe benefits; and

    (5) in the event of termination without cause or "resignation with good
       reason", as defined in the Previous Employment Agreements, following a
       change in control of Peninsula by means of a merger or otherwise, a lump
       sum severance payment equal to (a) 2.00 times the "base amount," as
       defined in the Previous Employment Agreements, plus (b) the amount of
       compensation due to the employee, from the time of the change in control
       to the end of the calendar year in which the change in control occurred.

    At the time of the signing of the Agreement, these Previous Employment
Agreements were terminated and superseded by new employment agreements, between
the listed persons and U.S. Bancorp, to become effective at the Effective Time.
The principal terms of these new employment agreements are summarized below.

    JOHN G. REBELO, JR.  The current Chief Executive Officer and Chairman of
Peninsula has entered into an employment agreement with U.S. Bancorp which
provides for (1) a term of employment with U.S. Bancorp ending December 31,
2000, (2) a base yearly salary of $216,000, (3) a restricted stock award of U.S.
Bancorp Common Stock with a value of $200,000 at the Effective Time, (4) a stock
option for 10,000 shares of U.S. Bancorp Common Stock, (5) a bonus of not less
than $86,400, (6) certain fringe benefits and (7) a payment of $410,000 for the
termination of his Previous Employment Agreement.

    LARRY L. WILLETTE  The current President/Chief Administrative Officer of
Peninsula has entered into an employment agreement with U.S. Bancorp which
provides for (1) a term of employment with U.S. Bancorp ending December 31,
2000, (2) a base yearly salary of $156,300, (3) a restricted stock award of U.S.
Bancorp Common Stock with a value of $100,000 at the Effective Time, (4) a stock
option for 5,000 shares of U.S. Bancorp Common Stock, (5) a bonus of not less
than $62,520 (6) certain fringe benefits and (7) a payment of $365,000 for the
termination of his Previous Employment Agreement.

    LAWRENCE G. ALAMEDA  The current Executive Vice-President and Chief Lending
Officer of Peninsula has entered into an employment agreement with U.S. Bancorp
which provides for (1) a term of employment with U.S. Bancorp ending June 30,
2000, with the provision for one month renewals under certain circumstances,
through December 31, 2000, (2) a base monthly salary of $12,000, (3) a
restricted stock award of U.S. Bancorp Common Stock with a value of $100,000 at
the Effective Time, (4) a stock option for 5,000 shares of U.S. Bancorp Common
Stock, (5) a bonus of not less than $28,800, to be increased by $4,800 per month
for each month worked after June 30, 2000, (6) certain fringe benefits and
(7) a payment of $365,000 for the termination of his Previous Employment
Agreement.

    BARBARA HOSAKA  The current Executive Vice-President/Chief Operating Officer
of Peninsula has entered into an employment agreement with U.S. Bancorp which
provides for (1) a term of employment with U.S. Bancorp ending June 30, 2000,
with the provision for one month renewals under certain circumstances, through
August 30, 2000, (2) a base monthly salary of $10,335, (3) a bonus of not less
than $24,800, to be increased by $2,067 per month for each month worked after
June 30, 2000,

                                       38
<PAGE>
(4) a retention bonus of $330,000, (5) certain fringe benefits and (6) a payment
of $330,000 for the termination of her Previous Employment Agreement.

    GAIL JENSEN-BIGKNIFE  The current Senior Vice-President/Credit Administrator
of Peninsula has entered into an employment agreement with U.S. Bancorp which
provides for (1) a term of employment with U.S. Bancorp ending one year from the
Effective Date, (2) a base yearly salary of $90,000, (3) a restricted stock
award of U.S. Bancorp Common Stock with a value of $100,000 at the Effective
Time, (4) a stock option for 10,000 shares of U.S. Bancorp Common Stock, (5) a
bonus opportunity of up to $22,500, but in no event with a combined salary and
bonus of less than her compensation paid in 1999, (6) certain fringe benefits
and (7) a payment of $100,000 for the termination of her Previous Employment
Agreement.

    JAMES T. RESCHAN  The current Senior Vice-President and Senior Administrator
of Peninsula has entered into an employment agreement with U.S. Bancorp which
provides for (1) a term of employment with U.S. Bancorp ending one year from the
Effective Date, (2) a base yearly salary of $90,000, (3) a restricted stock
award of U.S. Bancorp Common Stock with a value of $100,000 at the Effective
Time, (4) a stock option for 10,000 shares of U.S. Bancorp Common Stock, (5) a
bonus opportunity of up to $22,500, but in no event with a combined salary and
bonus of less than his compensation paid in 1999, (6) certain fringe benefits
and (7) a payment of $100,000 for the termination of his Previous Employment
Agreement.

    SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN

    Peninsula has Supplemental Executive Retirement Plan Agreements ("SERP
AGREEMENTS") with Messrs. Rebelo, Willette, Alameda and Reschan and with
Ms. Hosaka. These SERP Agreements supersede the earlier salary continuation
plans which Peninsula had previously maintained. In general, the SERP Agreements
provide certain retirement benefits to the covered officers who attain the age
of 54 years old and who have been continuously employed by Peninsula for at
least twenty years. The retirement benefit will depend on whether the covered
officer achieves the full retirement benefit at the "normal retirement age",
defined under the SERP Agreements as age 65 or elects early retirement, in which
case, the retirement benefit will be based upon the age of the covered officer
when they elect to retire early and when they elect to commence receiving
retirement benefits. The SERP Agreements also call for payments to be made in
the event of death or disability of the employee while employed by Peninsula, as
well as payments in the event the covered officer is terminated without cause or
"resigns for good reason," as defined in the SERP Agreements, following a change
in control of Peninsula. The SERP Agreements are an "unfunded" obligation of
Peninsula under ERISA, but Peninsula has purchased insurance policies on the
covered officers in the past, which has provided both partial funding of the
obligations under such arrangements as well as defraying all or a substantial
portion of the annual expenses to Peninsula.

    As part of their new employment agreements with U.S. Bancorp, U.S. Bancorp
has agreed to assume the Peninsula's obligations under the SERP Agreements
Peninsula has with Messrs. Rebelo, Willette, Alameda and Reschan and with
Ms. Hosaka.

    CONFIDENTIALITY/NONSOLICITATION AGREEMENTS

    At the time of the signing of the Agreement, U.S. Bancorp also entered into
confidentiality/ nonsolicitation agreements with Messrs. Rebelo, Willette,
Alameda and Reschan and Ms. Jensen-Bigknife as further consideration and as an
inducement to U.S. Bancorp for the new employment agreements discussed above. In
general, these confidentiality/nonsolicitation agreements provide for certain
restrictions on the listed officers during and after their employment with U.S.
Bancorp, including keeping confidential the confidential information of
Peninsula and U.S. Bancorp and to not solicit U.S. Bancorp customers or
employees. Additionally, the confidentiality/nonsolicitation

                                       39
<PAGE>
agreements with Messrs. Rebelo, Willette and Alameda contain non-compete
covenants, which prevent the individual from competing with the business of U.S.
Bancorp for a period of time following his termination. Messrs. Rebelo, Willette
and Alameda will receive $300,000, $250,000 and $250,000, respectively, payable
in two equal installments on January 2, 2002 and January 2, 2003 for their
continuing compliance with all the covenants in their respective
confidentiality/nonsolicitation agreements.

RESALES OF U.S. BANCORP COMMON STOCK

    The shares of U.S. Bancorp Common Stock to be issued to Peninsula
shareholders in the Merger have been registered under the Securities Act. Such
shares will be freely transferable under the Securities Act, except for shares
issued to any person who may be deemed to be an "affiliate" of U.S. Bancorp or
Peninsula within the meaning of Rule 145 under the Securities Act.

MATERIAL FEDERAL INCOME TAX CONSEQUENCES

    The following is a summary of the material anticipated United States federal
income tax consequences of the Merger to Peninsula shareholders who hold
Peninsula common stock as a capital asset. The summary is based on the Code,
Treasury regulations under the Code and administrative rulings and court
decisions in effect as of the date of the Agreement, all of which are subject to
change at any time, possibly with retroactive effect. This summary is not a
complete description of all of the tax consequences of the Merger and, in
particular, may not address United States federal income tax considerations
applicable to shareholders subject to special treatment under United States
federal income tax law, including, for example, foreign persons, financial
institutions, dealers in securities, insurance companies, tax-exempt entities,
holders who acquired their shares of Peninsula common stock pursuant to the
exercise of an employee stock option or right or otherwise as compensation and
holders who hold Peninsula common stock as part of a hedge, straddle or
conversion transaction. In addition, no information is provided in this Proxy
Statement with respect to the tax consequences of the Merger under applicable
foreign, state or local laws.

    HOLDERS OF PENINSULA COMMON STOCK ARE URGED TO CONSULT WITH THEIR TAX
ADVISORS REGARDING THE PARTICULAR TAX CONSEQUENCES OF THE MERGER TO THEM,
INCLUDING THE EFFECTS OF UNITED STATES FEDERAL, STATE, LOCAL, FOREIGN AND OTHER
TAX LAWS.

    GENERAL

    U.S. Bancorp and Peninsula expect that the Merger will constitute a tax-free
reorganization within the meaning of Section 368(a) of the Code and that for
federal income tax purposes no gain or loss will be recognized by Peninsula
shareholders who exchange their shares of Peninsula common stock solely for
shares of U.S. Bancorp Common Stock pursuant to the Merger (except with respect
to the receipt of cash by a Peninsula shareholder in lieu of a fractional share
interest in U.S. Bancorp Common Stock). The Internal Revenue Service ("IRS") has
not been and will not be asked to rule on the tax consequences of the Merger.
Instead, U.S. Bancorp will rely on the opinion of Dorsey & Whitney LLP regarding
the tax consequences of the Merger, and Peninsula will rely on the opinion of
Deloitte Touche Tohmatsu regarding the tax consequences of the Merger. It is a
condition to the completion of the Merger that each of U.S. Bancorp and
Peninsula receive such a tax opinion. These tax opinions will be rendered on the
basis of facts, representations and assumptions set forth or referred to in such
opinions. In rendering these tax opinions, Deloitte Touche Tohmatsu and
Dorsey & Whitney LLP will require and will rely upon factual representations
contained in certificates of officers of U.S. Bancorp, U.S. Bank and Peninsula.
These tax opinions will also be based upon the Code, the regulations thereunder
now in effect, current administrative rulings and practice, and judicial
authority, all of which are subject to change. None of the tax opinions to be
delivered to the parties in connection

                                       40
<PAGE>
with the Merger as described herein are binding on the IRS or the courts.
Accordingly, there can be no assurance that the IRS will not challenge the
conclusions reflected in these tax opinions.

    Based upon the facts and representations provided to such counsel, and
subject to various assumptions and qualifications, each of Deloitte Touche
Tohmatsu and Dorsey & Whitney LLP will opine, as of the Effective Date, that the
following federal income tax consequences will result from the Merger:

    (1) The Merger will constitute a reorganization within the meaning of
       Section 368(a) of the Code, and U.S. Bancorp and Peninsula will each be a
       party to the reorganization;

    (2) No Gain or loss will be recognized by U.S. Bancorp or Peninsula as a
       result of the Merger;

    (3) No gain or loss will be recognized by Peninsula shareholders who
       exchange their Peninsula common stock solely for U.S. Bancorp Common
       Stock pursuant to the Merger (except with respect to cash received in
       lieu of a fractional share interest in U.S. Bancorp Common Stock);

    (4) The holding period of the U.S. Bancorp Common Stock received by a
       Peninsula shareholder pursuant to the Merger will include the period
       during which the Peninsula common stock surrendered in exchange therefor
       was held by such Peninsula shareholder, provided the Peninsula common
       stock is a capital asset in the hands of the Peninsula shareholder at the
       time of the Merger; and

    (5) The tax basis of the U.S. Bancorp Common Stock received by a Peninsula
       shareholder who exchanges all of its Peninsula common stock for U.S.
       Bancorp Common Stock in the Merger will be the same as the tax basis of
       the Peninsula common stock surrendered in exchange therefor (subject to
       any adjustments required as the result of the receipt of cash in lieu of
       a fractional share of U.S. Bancorp Common Stock).

    Cash received by a Peninsula shareholder in lieu of a fractional share
interest in U.S. Bancorp Common Stock generally will be treated as received in
redemption of such fractional share interest, and a Peninsula shareholder should
generally recognize capital gain or loss for United States federal income tax
purposes measured by the difference between the amount of cash received and the
portion of the tax basis of the share of Peninsula common stock allocable to
such fractional share interest. Cash received by a Peninsula shareholder
pursuant to the exercise of dissenters' rights with respect to all of such
shareholder's Peninsula common stock generally will be treated as received in
redemption of such shareholder's Peninsula common stock, and a Peninsula
shareholder should generally recognize capital gain or loss for United States
federal income tax purposes, measured by the difference between the amount of
cash received and the tax basis of such shareholder's Peninsula common stock. In
either situation, such capital gain or loss would be a long-term capital gain or
loss if the holding period for such share of Peninsula common stock is greater
than one year at the Effective Time.

ACCOUNTING TREATMENT

    The Merger will be accounted for by U.S. Bancorp under the purchase method
of accounting in accordance with Accounting Principles Board Opinion No. 16,
"Business Combinations," as amended. Under this method of accounting, the
purchase price will be allocated to assets acquired and liabilities assumed
based on their fair market values at the date of the acquisition. Income of the
combined company will not include income or loss of Peninsula prior to the
Effective Date.

                                       41
<PAGE>
                   PRICE RANGE OF COMMON STOCK AND DIVIDENDS

U.S. BANCORP

    U.S. Bancorp Common Stock is listed on the New York Stock Exchange and
traded under the symbol "USB." The following table sets forth, for the periods
indicated, the high and low reported closing sale prices per share of U.S.
Bancorp Common Stock on the NYSE Composite Transactions reporting system and
cash dividends declared per share of U.S. Bancorp Common Stock.

<TABLE>
<CAPTION>
                                                       PRICE RANGE OF
                                                        COMMON STOCK
                                                     -------------------   DIVIDENDS
                                                       HIGH       LOW        PAID
                                                     --------   --------   ---------
<S>                                                  <C>        <C>        <C>
                       1997
First Quarter......................................   $28.13     $22.71      $.155
Second Quarter.....................................    29.04      23.67       .155
Third Quarter......................................    32.17      28.71       .155
Fourth Quarter.....................................    38.38      32.52       .155

                       1998
First Quarter......................................   $41.59     $34.34      $.175
Second Quarter.....................................    45.63      38.19       .175
Third Quarter......................................    47.06      34.13       .175
Fourth Quarter.....................................    42.38      31.00       .175

                       1999
First Quarter......................................   $37.75     $30.50      $.195
Second Quarter.....................................    37.75      31.50       .195
Third Quarter......................................    34.50      28.63       .195
Fourth Quarter (through       , 1999)..............
</TABLE>

    On September 1, 1999, the last trading day before U.S. Bancorp and Peninsula
publicly announced the execution of the Agreement, the closing price per share
of U.S. Bancorp Common Stock on the New York Stock Exchange Composite
Transactions reporting system was $31.313. On December   , 1999, the last
practicable date prior to the date of this Proxy Statement, the price was
$      . Past price performance is not necessarily indicative of likely future
price performance. Holders of Peninsula common stock are urged to obtain current
market quotations for shares of U.S. Bancorp Common Stock.

    Holders of U.S. Bancorp Common Stock are entitled to receive dividends from
funds legally available when, as and if declared by the U.S. Bancorp Board of
Directors. Although the U.S. Bancorp Board of Directors presently intends to
continue the policy of paying quarterly cash dividends, the payment of future
dividends of U.S. Bancorp would depend upon the earnings of U.S. Bancorp and its
subsidiaries, their financial condition and other factors, including applicable
governmental regulations and policies.

                                       42
<PAGE>
PENINSULA BANK OF SAN DIEGO

    Peninsula common stock is listed on the OTC Bulletin Board and traded under
the symbol "PNNB." The following table sets forth the high and low closing sales
prices for Peninsula common stock for the periods indicated, as listed in the
OTC Bulletin Board reporting system, and the quarterly cash dividends declared
per share for the periods indicated.

<TABLE>
<CAPTION>
                                                       PRICE RANGE OF
                                                        COMMON STOCK
                                                     -------------------   DIVIDENDS
                                                       HIGH       LOW      DECLARED
                                                     --------   --------   ---------
<S>                                                  <C>        <C>        <C>
                       1997
First Quarter(1)...................................   $16.55     $15.87      $.065
Second Quarter.....................................    18.03      16.33       .065
Third Quarter......................................    24.89      18.57       .072
Fourth Quarter.....................................    27.14      21.67       .068

                       1998
First Quarter......................................   $36.19     $22.86      $.068
Second Quarter.....................................    38.10      29.89       .073
Third Quarter......................................    47.00      31.00       .080
Fourth Quarter.....................................    35.00      31.00       .114

                       1999
First Quarter......................................   $32.50     $28.00      $.086
Second Quarter.....................................    30.50      23.50       .086
Third Quarter......................................    37.50      27.00       .093
Fourth Quarter (through       , 1999)..............
</TABLE>

    On September 1, 1999, the last trading day before the Merger was publicly
announced, the closing price per share of Peninsula common stock on the OTC
Bulletin Board was $30.50. On December   , 1999, the last practicable date prior
to the date of this Proxy Statement, the price was $      .

    Holders of Peninsula common stock are entitled to receive dividends from
funds legally available pursuant to the California Financial Code when, as and
if declared by the Peninsula Board. Pursuant to the Agreement, Peninsula is
restricted from paying cash dividends of more than $0.09 per quarter. It is
anticipated that the quarterly dividend which would otherwise be paid by
Peninsula in the first quarter of 2000 will not be paid if the Effective Date
occurs in January. Rather, in such event, the former Peninsula shareholders will
receive the U.S. Bancorp dividend payable in the first quarter by U.S. Bancorp.

    In addition to the quarterly cash dividends reflected in the above table,
Peninsula has also paid stock dividends of 5% in July of 1999, 1998 and 1997.
The outstanding shares of Peninsula common stock were also split on a
two-for-one basis effective in March 1998. The foregoing table has been adjusted
to reflect all such events.

                                       43
<PAGE>
                         INFORMATION ABOUT U.S. BANCORP

GENERAL

    U.S. Bancorp is a regional, multi-state bank holding company headquartered
in Minneapolis, Minnesota. U.S. Bancorp was incorporated in Delaware in 1929 and
owns 100 percent of the capital stock of each of its four banks and eleven trust
companies, having approximately 1,000 banking offices in the Midwest and West.
U.S. Bancorp offers full-service brokerage services at approximately
100 offices through a wholly owned subsidiary. U.S. Bancorp also has various
nonbank subsidiaries engaged in financial services.

    The banks are engaged in general commercial banking business, principally in
domestic markets. They range in size from less than $1 million to $48 billion in
deposits and provide a wide variety of services to individuals, businesses,
industry, institutional organizations, governmental entities, and other
financial institutions. Depository services include checking accounts, savings
accounts, and time certificate contracts. Ancillary services such as treasury
management and receivable lockbox collection are provided for corporate
customers. U.S. Bancorp's bank and trust subsidiaries provide a full range of
fiduciary activities for individuals, estates, foundations, business
corporations, and charitable organizations.

    U.S. Bancorp provides banking services through its subsidiary banks to both
domestic and foreign customers and correspondent banks. These services include
consumer banking, commercial lending, financing of import/export trade, foreign
exchange, and investment services. U.S. Bancorp, through its subsidiaries, also
provides services in trust, commercial and agricultural finance, data
processing, leasing, and brokerage services.

    U.S. Bancorp was formerly known as First Bank System, Inc. and is the
organization created by the merger of First Bank System, Inc. with U.S. Bancorp
of Portland, Oregon.

GOVERNMENT POLICIES

    The operations of U.S. Bancorp's various operating units are affected by
state and federal legislative changes and by policies of various regulatory
authorities, including those of the several states in which they operate, the
United States and foreign governments. These policies include, for example,
statutory maximum legal lending rates, domestic monetary policies of the FRB,
United States fiscal policy, international currency regulations and monetary
policies, and capital adequacy and liquidity constraints imposed by bank
regulatory agencies.

SUPERVISION AND REGULATION

    U.S. Bancorp is a registered bank holding company under the BHCA and is
subject to the supervision of, and regulation by, the FRB.

    Under the BHCA, a bank holding company may engage in banking, managing or
controlling banks, furnishing or performing services for banks it controls, and
conducting activities that the FRB has determined to be closely related to
banking. U.S. Bancorp must obtain the prior approval of the FRB before acquiring
more than 5 percent of the outstanding shares of another bank or bank holding
company, and must provide notice to, and in some situations obtain the prior
approval of, the FRB in connection with the acquisition of more than 5 percent
of the outstanding shares of a company engaged in a "bank-related" business.

    Under the BHCA, as amended by the Riegle-Neal Act, U.S. Bancorp may acquire
banks throughout the United States, subject only to state or federal deposit
caps and state minimum-age requirements. Effective June 1, 1997, the Riegle-Neal
Act authorized interstate branching by acquisition and consolidation in those
states that had not opted out by that date.

                                       44
<PAGE>
    National banks are subject to the supervision of, and are examined by, the
OCC. All subsidiary banks of U.S. Bancorp are members of the Federal Deposit
Insurance Corporation, and as such, are subject to examination thereby. In
practice, the primary federal regulator makes regular examinations of each
subsidiary bank subject to its regulatory review or participates in joint
examinations with other federal regulators. Areas subject to regulation by
federal authorities include the allowance for credit losses, investments, loans,
mergers, issuance of securities, payment of dividends, establishment of branches
and other aspects of operations.

ADDITIONAL INFORMATION

    You may obtain financial and other information relating to U.S. Bancorp, its
directors and its executive officers from its Current Report on Form 8-K filed
January 20, 1999, its Quarterly Report on Form 10-Q for the period ended
June 30, 1999, its Quarterly Report on Form 10-Q for the period ended March 31,
1999, and its Annual Report on Form 10-K for the year ended December 31, 1998.
You may obtain a copy of these reports as indicated under "WHERE YOU CAN FIND
MORE INFORMATION ABOUT U.S. BANCORP."

                 INFORMATION ABOUT PENINSULA BANK OF SAN DIEGO

GENERAL

    For purposes of this section captioned "INFORMATION ABOUT PENINSULA BANK OF
SAN DIEGO," references to "we" or "our" refer only to Peninsula and not to
U.S. Bancorp.

    Peninsula is a California state chartered bank licensed by the DFI and which
commenced operation on March 7, 1975. We originally opened for business at
1322 Scott Street in San Diego, California. In February 1977, we opened our
second branch in Ocean Beach. The current main office location at
1331 Rosecrans Street was opened in December 1978. In March 1980, we opened our
third branch on Morena Boulevard. The fourth branch was opened in
September 1989 in Loma Portal. On May 12, 1992, we consummated the purchase of
Citizens Western Bank and added $24.1 million in total assets and deposits of
$22.2 million. This gave us two more branches, one in Pacific Beach and one in
La Jolla. On April 15, 1993, we acquired the deposits of First Western Bank from
the FDIC. Deposits of First Western Bank totaled $13.8 million. In August 1993,
we opened a branch in Fairbanks Ranch and followed in February 1994 with another
branch in Mission Hills. The Downtown branch was opened in March 1996 and the
tenth branch in San Marcos was opened in July 1997. The Scripps/ Poway branch
will open in December 1999.

    As a California state bank, we are subject to primary supervision,
examination and regulation by the DFI and the FDIC. We are also subject to
certain other federal laws and regulations. Our deposits are insured by the FDIC
up to the applicable limits thereof. We are not a member of the Federal Reserve
System. On September 30, 1999, we had approximately $469 million in assets,
$432 million in deposits and $32 million in shareholders' equity.

    Our principle executive offices are located at 1322 Scott Street,
San Diego, California 92106, and our telephone number is (619) 226-5451.

    BANKING SERVICES

    We engage in substantially all of the business operations customarily
conducted by a California independent community bank. Our primary market area is
San Diego County, which we principally service from our 10 banking offices
located in the coastal region. Our banking services include the acceptance of
checking and savings deposits and the making of commercial, Small Business
Administration, real estate, consumer, and other installment loans. We also
offer traveler's checks, as well as notary public, escrow, alternative
investments, and a full range of electronic and other customary banking
services.

                                       45
<PAGE>
    Our deposits consist primarily of individual and small and medium-sized
business-related accounts. We also attract deposits from several local
governmental agencies. In connection with municipal deposits, we must generally
pledge securities to obtain such deposits, except for the first $100,000 of such
deposits which are insured by the FDIC.

    The areas in which we have directed virtually all of our lending activities
are (1) commercial loans, (2) consumer loans, and (3) real estate loans or other
commercial loans secured by real estate. As of September 30, 1999, these three
categories accounted for approximately 18%, 9% and 68%, respectively, of our
loan portfolio. A significant portion of our lending is real estate related,
including mortgage lending and interim construction loans, as well as taking
real estate as collateral for loans for other purposes.

    We have not engaged in any material research activities relating to the
development of new services or the improvement of our existing services. We have
no present plans regarding "a new line of business" requiring the investment of
a material amount of total assets.

    Most of our business originates from the San Diego County and there is no
emphasis on foreign sources and application of funds. Our business, based upon
performance to date, does not appear to be seasonal. Except as described above,
a material portion of our loans is not concentrated within a single industry or
group of related industries, nor are we dependent upon a single customer or
group of related customers for a material portion of our deposits. We are
unaware of any material effect upon our capital expenditures, earnings or
competitive position as a result of federal, state or local environmental
regulation.

    EMPLOYEES

    As of September 30, 1999, we had a total of 220 full-time employees and
18 part-time employees (or 225 full-time equivalent employees). We believe that
our employee relations are satisfactory.

    COMPETITION

    The banking and financial services business in California generally, and in
our market areas specifically, is highly competitive. The increasingly
competitive environment is a result primarily of changes in regulation, changes
in technology and product delivery systems, and the accelerating pace of
consolidation among financial service providers. We compete for loans and
deposits with other commercial banks, savings and loan associations, securities
and brokerage companies, mortgage companies, insurance companies, finance
companies, money market funds, credit unions and other nonbank financial service
providers. Many of these competitors are much larger in total assets and
capitalization, have greater access to capital markets and offer a broader array
of financial services than we do. In order to compete with the other financial
service providers, we principally rely on local promotional activities, personal
relationships established by officers, directors and employees with our
customers and specialized services tailored to meet our customers' needs. We
maintain ten full-service banking offices in San Diego County with the eleventh
to be opened in December 1999.

    EFFECT OF GOVERNMENTAL POLICIES AND RECENT LEGISLATION

    Banking is a business that depends on rate differentials. In general, the
difference between the interest rate we pay on our deposits and our other
borrowings and the interest rate we receive on loans extended to our customers
and securities held in our portfolio comprise the major portion of our earnings.
These rates are highly sensitive to many factors that are beyond our control.
Accordingly, our earnings and growth are subject to the influence of domestic
and foreign economic conditions, including inflation, recession and
unemployment.

    The commercial banking business is not only affected by general economic
conditions but is also influenced by the monetary and fiscal policies of the
federal government and the policies of regulatory agencies, particularly the
FRB. The FRB implements national monetary policies (with objectives such

                                       46
<PAGE>
as curbing inflation and combating recession) by its open-market operations in
U.S. Government securities, by adjusting the required level of reserves for
financial institutions subject to its reserve requirements and by varying the
discount rates applicable to borrowings by depository institutions. The actions
of the FRB in these areas influence the growth of our loans, investments and
deposits and also affects interest rates charged on loans and paid on deposits.
The nature and impact of any future changes in monetary policies cannot be
predicted.

    From time to time, legislation is enacted which has the effect of increasing
the cost of doing business, limiting or expanding permissible activities or
affecting the competitive balance between banks and other financial
institutions. Proposals to change the laws and regulations governing the
operations and taxation of banks, bank holding companies and other financial
institutions are frequently made in Congress, in the California legislature and
before various bank regulatory and other professional agencies. For example,
major legislation has been passed in both Houses of Congress that would
"modernize" a number of federal laws relating to financial institutions.
Differences in the respective bills are currently being reconciled by a
conference committee of both Houses.

    PROPERTIES

    Our principle executive offices are located at 1322 Scott Street,
San Diego, California. In total, as of September 30, 1999, we had 10 banking
offices (with the 11(th) banking office due to open in December 1999) and
9 other properties. Of this total, seven of the properties were owned and
13 were leased.

<TABLE>
<CAPTION>
             OWNED PROPERTIES                                  LEASED PROPERTIES
- -------------------------------------------       --------------------------------------------
<S>  <C>                                          <C>   <C>
(1)  1322 Scott Street                            (1)   1331 Rosecrans Street
     San Diego, CA*                                     San Diego, CA (Ground Lease)
(2)  4827 Newport Street                          (2)   4805 Newport Street
     Ocean Beach, CA                                    Ocean Beach, CA* (Drive-up)
(3)  4939 Newport Street                          (3)   5330 Napa Street
     Ocean Beach, CA*                                   San Diego, CA
(4)  2170 Chatsworth                              (4)   2150 Chatsworth
     Loma Portal, CA*                                   Loma Portal, CA
(5)  5280 Riley Street                            (5)   1606 Grand Avenue
     San Diego, CA*                                     Pacific Beach, CA (Ground Lease)
(6)  2110 Hancock Street                          (6)   16326 San Diequito
     San Diego, CA *                                    Fairbanks, CA
(7)  833 Pearl Street                             (7)   550 W. "C" Street
     La Lolla, CA                                       San Diego, CA
                                                  (8)   2919 Camino Del Rio
                                                        San Diego, CA* (Ground Lease)
                                                  (9)   190 South Rancho Santa Fe
                                                        San Marcos, CA
                                                  (10)  1313 Rosecrans Street (ATM Only)
                                                        San Diego, CA*
                                                  (11)  610 Washington
                                                        Mission Hills, CA
                                                  (12)  162 South Rancho (ATM Only)
                                                        Santa Fe Blvd., Encinita, CA
                                                  (13)  Scripps Trident Plaza
                                                        San Diego, CA
</TABLE>

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

*   Non-branch property

                                       47
<PAGE>
    See Notes to the Peninsula Financial Statements appearing below for certain
additional information concerning the amount of our lease commitments.

    LEGAL PROCEEDINGS

    We are, from time to time, subject to various pending and threatened legal
actions which arise out of the normal course of doing business. We are not a
party to any pending legal or administrative proceedings (other than ordinary
routine litigation incidental to our business) and no such proceedings are known
to be contemplated.

    There are no proceedings adverse to us to which any director, officer,
affiliate or 5% shareholder of Peninsula, or any associate of any such director,
officer, of shareholder of Peninsula is a party, and none of the above persons
has a material interest adverse to Peninsula.

MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF
  OPERATIONS

    The following discussions, tables and data set forth certain information
relating to Peninsula as of September 30, 1999 and for the nine month periods
ended September 30, 1999 and September 30, 1998 and for the three years ended
December 31, 1998. This discussion should be read in conjunction with the
Peninsula Bank of San Diego Financial Statements appearing elsewhere herein.

    RESULTS OF OPERATIONS

    Banking is a business that depends on rate differentials. In general, the
difference between the interest rate paid by us on our interest-bearing
liabilities and the interest rate received by us on loans extended to our
customers and securities held in our portfolio comprise the major portion of our
earnings. These rates are highly sensitive to many factors that are beyond our
control. Accordingly, the earnings and growth of Peninsula are subject to, among
others, the influences of local, domestic and foreign economic conditions,
including recession, unemployment and inflation.

    NET INCOME

    Net income for the first nine months of 1999 was $3.8 million or $1.47 per
diluted share, compared to net income of $3.5 million or $1.35 per diluted share
for the first nine months of 1998. This increase in net income could be
attributable to increase in interest rates and increase in loan demand.

    Net income for the year ended December 31, 1998 was approximately $4.5
million, or $1.72 per diluted share, compared to net income of approximately
$3.6 million or $1.38 per diluted share, for the year ended December 31, 1997.
This increase in net income was primarily a result of continued growth in total
assets. All shares data has been adjusted to reflect the two for one stock split
in March 1998 and the 5% stock dividend in July 1998 and July 1999.

    Net income increased between 1996 and 1997 as net income for the year ended
December 31, 1996, was approximately $3.1 million or $1.17 per diluted share.
The increase in 1997 net income reflected continued asset growth.

    NET INTEREST INCOME

    Our earnings depend primarily upon the difference between the income we
received from the loan portfolio and investment securities, and the cost of our
funds, including principally interest paid on savings and time deposits.
Interest rates changes on our loans are influenced principally by the demand for
such loans, the supply of money for lending purposes, and competitive factors.
These factors are, in turn, affected by general economic conditions and other
factors beyond our control, such as federal economic and tax policies, the
general supply of money in the economy, governmental budgetary actions, and the
actions of the Federal Reserve Board.

                                       48
<PAGE>
    The difference between the income we receive on our loans and investments
compared to the cost of our funds may be expressed as "net interest spread" and
"net interest margin." "Net interest spread" is the difference between the yield
on average interest earning assets and the cost of average interest bearing
liabilities. "Net interest margin" is net interest income expressed as a
percentage of average interest earning assets. The net interest spread declined
from 4.90% for 1996, to 4.80% for 1997, to 4.51% for 1998 and to 4.47% for the
nine month ended September 30, 1999. Likewise, the net interest margin declined
from 5.68% for 1996, to 5.63% for 1997, to 5.58% for 1998 and to 5.47% for the
nine months ended September 30, 1999.

    Despite the decrease in spread and net interest margin, net interest income
continued to increase throughout the reported periods from $16.5 million for
1996, to $18.7 million for 1997 and to $21.4 million for 1998. Net interest
income for the nine months ended September 30, 1999 also increased to $17.0
million from the $15.8 million for the comparable period in 1998. The increase
in net interest income occurred despite the decrease in spread and net interest
margin because, among other things, average interest earning assets grew at a
quicker rate than did average interest bearing liabilities. Average interest
earning assets increased from $290.1 million for 1996, to $331.8 million in
1997, to $383.5 in 1998 and to $416.0 million for the nine months ended
September 30, 1999.

    The following three tables provide information on net interest income for
the nine months ended September 30 of 1999 and 1998, along with the past three
fiscal years, setting forth average balances of interest-earning assets and
interest-bearing liabilities, the income earned and expense recorded thereon and
the resulting average yield-cost ratios:

                                       49
<PAGE>
INTEREST RATES AND INTEREST RATE DIFFERENTIAL FOR THE NINE MONTHS ENDED
  SEPTEMBER 30,

<TABLE>
<CAPTION>
                                                    1999                                 1998
                                     ----------------------------------   ----------------------------------
                                      AVERAGE     INCOME/     AVERAGE      AVERAGE     INCOME/     AVERAGE
                                     BALANCE(1)   EXPENSE    YIELD/COST   BALANCE(1)   EXPENSE    YIELD/COST
                                     ----------   --------   ----------   ----------   --------   ----------
                                                             (DOLLARS IN THOUSANDS)
<S>                                  <C>          <C>        <C>          <C>          <C>        <C>
Interest-Earning Assets:
Interest-bearing deposits with
  banks............................   $  4,192    $   136       4.34%      $  6,166    $   235       5.10%
Federal funds sold.................     18,447        653       4.73%        16,335        646       5.29%
Securities.........................    115,116      4,914       5.71%       116,932      5,104       5.84%
Loans and leases (net)(2)..........    278,204     18,299       8.79%       237,237     16,673       9.40%
                                      --------    -------       ----       --------    -------       ----
  Interest-earning assets..........    415,959     24,002       7.71%       376,670     22,658       8.04%

Non Interest-Earning Assets:
Cash and due from banks............     21,322                               21,347
Premises and equipment (net).......     11,309                               11,830
Other real estate owned............         31                                  135
Other assets.......................     12,495                               11,010
                                      --------                             --------
  Total assets.....................   $461,116                             $420,992
                                      ========                             ========

Interest-Bearing Liabilities:
Interest-bearing demand deposits...   $126,691      2,157       2.28%      $113,698      1,836       2.16%
Savings deposits...................     42,250        690       2.18%        37,376        623       2.23%
Time deposits......................    116,649      4,055       4.65%       109,278      4,296       5.26%
Federal funds purchased............          8          0       5.33%            24          1       5.57%
Directors' deferred compensation
  plan.............................        926         53       7.65%           678         43       8.48%
Other borrowings...................        586         21       4.79%           534         20       5.01%
                                      --------    -------       ----       --------    -------       ----
  Interest-bearing liabilities.....    287,110      6,976       3.25%       261,588      6,819       3.49%

Non Interest-Bearing Liabilities
  and Equity:
Non interest-bearing demand........    139,836                              129,476
Non interest-bearing liabilities...      3,452                                2,705
Shareholders' equity...............     30,718                               27,223
                                      --------                             --------
Total liabilities and shareholders'
  equity...........................   $461,116                             $420,992
                                      ========                             ========
Net interest income................               $17,026                              $15,839
                                                  =======                              =======
Net interest margin on
  interest-earning assets(3).......                             5.47%                                5.62%
Net interest spread................                             4.47%                                4.56%
</TABLE>

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

(1) Average balances include the effect of discounts and premiums on loans and
    investment securities as well as deferred loan fees and costs.

(2) Nonaccrual loans are included in the average balances for the periods. Loan
    fees included for 1999 and 1998 are $630 thousand and $626 thousand,
    respectively.

(3) The net interest margin on interest-bearing assets for a period is net
    interest income divided by average interest-bearing assets.

                                       50
<PAGE>
INTEREST RATES AND INTEREST RATE DIFFERENTIAL FOR THE YEAR ENDED

<TABLE>
<CAPTION>
                                                    DECEMBER 31, 1998                    DECEMBER 31, 1997
                                            ----------------------------------   ----------------------------------
                                             AVERAGE     INCOME/     AVERAGE      AVERAGE     INCOME/     AVERAGE
                                            BALANCE(1)   EXPENSE    YIELD/COST   BALANCE(1)   EXPENSE    YIELD/COST
                                            ----------   --------   ----------   ----------   --------   ----------
                                                                    (DOLLARS IN THOUSANDS)
<S>                                         <C>          <C>        <C>          <C>          <C>        <C>
Interest-Earning Assets:
Interest-bearing deposits with banks......   $  4,761    $   243        5.10%     $  1,748    $    91       5.21%
Federal funds sold........................     16,764        853        5.09%        9,229        481       5.21%
Securities................................    119,024      6,926        5.82%      102,210      6,011       5.88%
Loans and leases (net)(2).................    242,994     22,587        9.30%      218,607     20,682       9.46%
                                             --------    -------       -----      --------    -------       ----
  Interest-earning assets.................    383,543     30,609        7.98%      331,794     27,265       8.22%
Non Interest-Earning Assets:
Cash and due from banks...................     21,214                               27,296
Premises and equipment (net)..............     11,793                               11,075
Other real estate owned...................        153                                  614
Other assets..............................     11,134                                8,821
                                             --------                             --------
  Total assets............................   $427,837                             $379,600
                                             ========                             ========
Interest-Bearing Liabilities:
Interest-bearing demand deposits..........   $115,308      2,520        2.19%     $114,674      2,401       2.09%
Savings deposits..........................     38,145        854        2.24%       33,427        718       2.15%
Time deposits.............................    110,625      5,734        5.18%      102,293      5,409       5.29%
Federal funds purchased...................         18          1        5.56%          136          8       5.88%
Directors' deferred compensation plan.....        545         59       10.83%          455         37       8.13%
Other borrowings..........................        522         27        5.17%          562         27       4.80%
                                             --------    -------       -----      --------    -------       ----
  Interest-bearing liabilities............    265,163      9,195        3.47%      251,547      8,600       3.42%
Non Interest-Bearing Liabilities and
  Equity:
Non interest-bearing demand...............    132,076                              102,047
Non interest-bearing liabilities..........      2,902                                2,118
Shareholders' equity......................     27,696                               23,888
                                             --------                             --------
Total liabilities and shareholders'
  equity..................................   $427,837                             $379,600
                                             ========                             ========
Net interest income.......................               $21,414                              $18,665
                                                         =======                              =======
Net interest margin on interest-earning
  assets(3)...............................                              5.58%                               5.63%
                                                                       =====                                ====
Net interest spread.......................                              4.51%                               4.80%
                                                                       =====                                ====
</TABLE>

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

(1) Average balances include the effect of discounts and premiums on loans and
    investment securities as well as deferred loan fees and costs.

(2) Nonaccrual loans are included in the average balances for the periods. Loan
    fees included for 1998 and 1997 are $876 thousand and $701 thousand,
    respectively.

(3) The net interest margin on interest-bearing assets for a period is net
    interest income divided by average interest-bearing assets.

                                       51
<PAGE>
INTEREST RATES AND INTEREST RATE DIFFERENTIAL FOR THE YEAR ENDED DECEMBER 31,
  1996

<TABLE>
<CAPTION>
                                                               AVERAGE     INCOME/     AVERAGE
                                                              BALANCE(1)   EXPENSE    YIELD/COST
                                                              ----------   --------   ----------
                                                                    (DOLLARS IN THOUSANDS)
<S>                                                           <C>          <C>        <C>
Interest-Earning Assets:
Interest-bearing deposits with banks........................   $    139    $     8       5.76%
Federal funds sold..........................................      6,926        336       4.85%
Securities..................................................     81,740      4,621       5.65%
Loans and leases (net)(2)...................................    201,299     19,287       9.58%
                                                               --------    -------       ----
  Interest-earning assets...................................    290,104     24,252       8.36%
Non Interest-Earning Assets:
Cash and due from banks.....................................     20,803
Premises and equipment (net)................................     11,158
Other real estate owned.....................................        626
Other assets................................................      7,828
                                                               --------
  Total assets..............................................   $330,519
                                                               ========
Interest-Bearing Liabilities:
Interest-bearing demand deposits............................   $101,072    $ 2,232       2.21%
Savings deposits............................................     31,589        677       2.14%
Time deposits...............................................     90,565      4,779       5.28%
Federal funds purchased.....................................        309         18       5.83%
Directors' deferred compensation plan.......................        277         23       8.14%
Other borrowings............................................        513         37       7.21%
                                                               --------    -------       ----
  Interest-bearing liabilities..............................    224,325      7,766       3.46%
Non Interest-Bearing Liabilities and Equity:
Non interest-bearing demand.................................     83,107
Non interest-bearing liabilities............................      1,942
Shareholders' equity........................................     21,145
                                                               --------
Total liabilities and shareholders' equity..................   $330,519
                                                               ========
Net interest income.........................................               $16,486
                                                                           =======
Net interest margin on interest-earning assets(3)...........                             5.68%
                                                                                         ====
Net interest spread.........................................                             4.90%
                                                                                         ====
</TABLE>

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

(1) Average balances include the effect of discounts and premiums on loans and
    investment securities as well as deferred loan fees and costs.

(2) Nonaccrual loans are included in the average balances for the periods. Loan
    fees included for 1996 are $640 thousand.

(3) The net interest margin on interest-bearing assets for a period is net
    interest income divided by average interest-bearing assets.

                                       52
<PAGE>
    The following table sets forth changes in interest income and interest
expense, and the amount of change attributable to variances in volume, rates and
the combination of volume and rates. There have been no adjustments made for
tax-exempt income.

INTEREST RATE DIFFERENTIAL NINE MONTHS ENDED SEPTEMBER 30, 1999 COMPARED TO
  SEPTEMBER 30, 1998

<TABLE>
<CAPTION>
                                                                               CHANGE DUE TO
                                                            TOTAL      ------------------------------
                                                           INCREASE                          VOLUME &
                                                          (DECREASE)    VOLUME      RATE       RATE
                                                          ----------   --------   --------   --------
                                                                    (DOLLARS IN THOUSANDS)
<S>                                                       <C>          <C>        <C>        <C>
Interest Income:
Interest and fees on loans..............................    $1,626      $2,880    $(1,069)    $(185)
Interest-bearing deposits with banks....................       (99)        (75)       (35)       11
Securities..............................................      (190)        (79)      (113)        2
Federal funds sold......................................         7          84        (68)       (9)
                                                            ------      ------    -------     -----
  Total interest income.................................     1,344       2,810     (1,285)     (181)
Interest Expense:
Interest-bearing demand deposits........................       321         210        100        11
Savings deposits........................................        67          82        (13)       (2)
Time deposits...........................................      (241)        291       (498)      (34)
Federal funds purchased.................................        (1)         (1)        --        --
Directors' deferred compensation plan...................        10          16         (4)       (2)
Other borrowings........................................         1           2         (1)       --
                                                            ------      ------    -------     -----
  Total interest expense................................       157         600       (416)      (27)
                                                            ------      ------    -------     -----
    Net interest income.................................    $1,187      $2,210    $   869     $(154)
                                                            ======      ======    =======     =====
</TABLE>

INTEREST RATE DIFFERENTIAL YEAR ENDED DECEMBER 31, 1998 COMPARED TO 1997

<TABLE>
<CAPTION>
                                                                                CHANGE DUE TO
                                                             TOTAL      ------------------------------
                                                            INCREASE                          VOLUME &
                                                           (DECREASE)    VOLUME      RATE       RATE
                                                           ----------   --------   --------   --------
                                                                     (DOLLARS IN THOUSANDS)
<S>                                                        <C>          <C>        <C>        <C>
Interest Income:
Interest and fees on loans...............................    $1,905      $2,307     $(362)      $(40)
Interest-bearing deposits with banks.....................       152         157        (2)        (3)
Securities...............................................       915         989       (63)       (11)
Federal funds sold.......................................       372         393       (12)        (9)
                                                             ------      ------     -----       ----
  Total interest income..................................     3,344       3,846      (439)       (63)
Interest Expense:
Interest-bearing demand deposits.........................       119          13       105          1
Savings deposits.........................................       136         101        30          4
Time deposits............................................       325         441      (107)        (9)
Federal funds purchased..................................        (7)         (7)       --         --
Directors' deferred compensation plan....................        22           7        12          2
Other borrowings.........................................        --          (2)        2         --
                                                             ------      ------     -----       ----
  Total interest expense.................................       595         553        42         (2)
                                                             ------      ------     -----       ----
    Net interest income..................................    $2,749      $3,293     $(481)      $(61)
                                                             ======      ======     =====       ====
</TABLE>

                                       53
<PAGE>
INTEREST RATE DIFFERENTIAL YEAR ENDED DECEMBER 31, 1997 COMPARED TO 1996

<TABLE>
<CAPTION>
                                                                                CHANGE DUE TO
                                                             TOTAL      ------------------------------
                                                            INCREASE                          VOLUME &
                                                           (DECREASE)    VOLUME      RATE       RATE
                                                           ----------   --------   --------   --------
                                                                     (DOLLARS IN THOUSANDS)
<S>                                                        <C>          <C>        <C>        <C>
Interest Income:
Interest and fees on loans...............................    $1,395      $1,658     $(242)      $(21)
Interest-bearing deposits with banks.....................        83          93        (1)        (9)
Securities...............................................     1,390       1,157       186         47
Federal funds sold.......................................       145         112        25          8
                                                             ------      ------     -----       ----
  Total interest income..................................     3,013       3,019       (32)        25
Interest Expense:
Interest-bearing demand deposits.........................       169         300      (116)       (15)
Savings deposits.........................................        41          39         2         --
Time deposits............................................       630         619        10          1
Federal funds purchased..................................       (10)        (10)       --         --
Directors' deferred compensation plan....................        14          10         3          1
Other borrowings.........................................       (10)          4       (13)        (1)
                                                             ------      ------     -----       ----
  Total interest expense.................................       834         962      (114)       (14)
                                                             ------      ------     -----       ----
    Net interest income..................................    $2,179      $2,058     $  82       $ 39
                                                             ======      ======     =====       ====
</TABLE>

    INTEREST INCOME

    Interest income increased by $1.3 million from September 30, 1998 to
September 30, 1999. This is due mainly to an increase in earning assets versus
their yield. Interest income increased by $3.3 million for the year ended
December 31, 1998 compared to December 31, 1997 and $3.0 million for the year
ended December 31, 1997 compared to December 31, 1996. The increase for 1998 is
due largely to the increase in average earning assets of approximately
$51.7 million to $383.5 million from $331.8 million for 1997. The increase in
interest income for 1997 is due largely to the increase in average earning
assets of approximately $41.7 million from average earning assets of
$290.1 million for 1996 to $331.8 million for 1997.

    INTEREST EXPENSE

    Interest expense increased $157 thousand from September 30, 1998 to
September 30, 1999 due to an increased volume in interest bearing liabilities.
Interest expense increased by $595 thousand for the year ended December 31, 1998
compared to 1997 and $834 thousand for the year ended December 31, 1997 compared
to 1996. The increase in interest expense is primarily due to the increase of
$13.7 million for 1998 and $27.2 million for 1997 in average interest-bearing
liabilities. Interest expense totaled approximately $9.2 million for 1998
compared to approximately $8.6 million for 1997 and approximately $7.8 million
for 1996.

                                       54
<PAGE>
    NON-INTEREST INCOME

    The following table sets forth the details of non-interest income for the
nine months ended September 30, 1999 and 1998:

<TABLE>
<CAPTION>
                                                                 NINE MONTHS ENDED
                                                                   SEPTEMBER 30,
                                                              -----------------------    INCREASE
                                                                1999           1998     (DECREASE)
                                                              --------       --------   ----------
                                                                     (DOLLARS IN THOUSANDS)
<S>                                                           <C>            <C>        <C>
Service charges on deposit accounts.........................   $1,662         $1,578        $84
Escrow fees.................................................      690            759        (69)
Other fee income............................................      626            570         56
Other income................................................      714            703         11
                                                               ------         ------        ---
Operating non-interest income...............................    3,692          3,610         82
Gain on sale of loans.......................................       21             81        (60)
Gain on securities..........................................       19             30        (11)
                                                               ------         ------        ---
  Total non-interest income.................................   $3,732         $3,721        $11
                                                               ======         ======        ===
</TABLE>

    Non-interest income increased by $11 thousand from September 1998 to
September 1999. The increase is mainly from service charges on deposit accounts.
The decline of $69 thousand in escrow fees was due to a decline in refinancing
as interest rates increased in 1999. We also had a decline in the number of SBA
loans that were sold to the secondary market, this account for a $60 thousand
decrease in gain on sale of loan.

    The following table sets forth the details of non-interest income for the
years ended December 31, 1998 and December 31, 1997:

<TABLE>
<CAPTION>
                                                            DECEMBER 31,   DECEMBER 31,    INCREASE
                                                                1998           1997       (DECREASE)
                                                            ------------   ------------   ----------
                                                                     (DOLLARS IN THOUSANDS)
<S>                                                         <C>            <C>            <C>
Service charges on deposit accounts.......................     $2,129         $1,869        $  260
Escrow fees...............................................        987            686           301
Other fee income..........................................        852            711           141
Other income..............................................        838            551           287
                                                               ------         ------        ------
Operating non-interest income.............................      4,806          3,817           989
Gain on sale of loans.....................................        106            247          (141)
Gain on securities........................................         24             60           (36)
                                                               ------         ------        ------
  Total non-interest income...............................     $4,936         $4,124        $  812
                                                               ======         ======        ======
</TABLE>

    Operating non-interest income increased $989 thousand for the year ended
December 31, 1998. An increase of $301 thousand for escrow fees was due to the
large volume of escrow business for 1998.

    Gain on the sale of loans decreased $141 thousand from December 31, 1998 to
December 31, 1997, primarily due to the decreased volume of Small Business
Administration (SBA) guaranteed loans and the sale of the guaranteed portion of
these loans.

                                       55
<PAGE>
    The following table sets forth the details of non-interest income for the
years ended December 31, 1997 and December 31, 1996:

<TABLE>
<CAPTION>
                                                            DECEMBER 31,   DECEMBER 31,    INCREASE
                                                                1997           1996       (DECREASE)
                                                            ------------   ------------   ----------
                                                                     (DOLLARS IN THOUSANDS)
<S>                                                         <C>            <C>            <C>
Service charges on deposit accounts.......................     $1,869         $1,675         $ 194
Escrow fees...............................................        686            548           138
Other fee income..........................................        711            881          (170)
Other income..............................................        551            460            91
                                                               ------         ------         -----
Operating non-interest income.............................      3,817          3,564           253
Gain on sale of loans.....................................        247             81           166
Gain on securities........................................         60              0            60
                                                               ------         ------         -----
  Total non-interest income...............................     $4,124         $3,645         $ 479
                                                               ======         ======         =====
</TABLE>

    Total non-interest income increased approximately $479 thousand to
$4.1 million for the year ended December 31, 1997 compared to approximately
$3.6 million for the year ended December 31, 1996. An increase in escrow fees of
approximately $138 thousand accounted for over half of the increases in
operating non-interest income. The decline in other fee income of $170 thousand
was attributed to a decline in brokerage fees of $245.1 thousand.

    NON-INTEREST EXPENSE

    The following table shows the detail of non-interest expense for the years
ended September 30, 1999 and September 30, 1998:

<TABLE>
<CAPTION>
                                                               NINE MONTHS ENDED
                                                                 SEPTEMBER 30,
                                                              -------------------    INCREASE
                                                                1999       1998     (DECREASE)
                                                              --------   --------   ----------
                                                                   (DOLLARS IN THOUSANDS)
<S>                                                           <C>        <C>        <C>
Salaries and benefits.......................................  $ 8,521    $ 7,960       $561
Occupancy, furniture and equipment..........................    2,095      2,001         94
Advertising and business development........................      511        491         20
Other real estate owned.....................................       32         32          0
Other professional services.................................      296        308        (12)
Telephone, stationery and supplies..........................      515        553        (38)
Data processing.............................................      589        536         53
Customer service costs......................................      935        970        (35)
Regulatory assessments......................................       36         34          2
Operating losses............................................       73         84        (11)
Other.......................................................      740        685         55
                                                              -------    -------       ----
  Non-interest expense......................................  $14,343    $13,654       $689
                                                              =======    =======       ====
</TABLE>

    Non-interest expense increased by $689 thousand from September 30, 1998 to
September 30, 1999. This was due mainly from an increase in salary and benefits.

                                       56
<PAGE>
    The following table shows the detail of non-interest expenses for the years
ended December 31, 1998 and December 31, 1997:

<TABLE>
<CAPTION>
                                                                 DECEMBER 31,
                                                              -------------------    INCREASE
                                                                1998       1997     (DECREASE)
                                                              --------   --------   ----------
                                                                   (DOLLARS IN THOUSANDS)
<S>                                                           <C>        <C>        <C>
Salaries and benefits.......................................  $10,790    $ 9,630      $1,160
Occupancy, furniture and equipment..........................    2,675      2,557         118
Advertising and business development........................      647        690         (43)
Other real estate owned.....................................       35        114         (79)
Other professional services.................................      367        407         (40)
Telephone, stationery and supplies..........................      739        685          54
Data processing.............................................      714        705           9
Customer service costs......................................    1,272        955         317
Regulatory assessments......................................       45         39           6
Operating losses............................................       44        379        (335)
Other.......................................................    1,371        821         550
                                                              -------    -------      ------
  Non-interest expense......................................  $18,699    $16,982      $1,717
                                                              =======    =======      ======
</TABLE>

    Non-interest expense increased approximately $1.7 million from approximately
$17.0 million for the year ended December 31, 1997 to approximately
$18.7 million for the year ended December 31, 1998. The increase in salaries and
benefits accounted for approximately 46% of the increase, or $1.2 million, which
is attributed to normal growth in salaries and the necessary funding of accrued
vacation expense and the additional funding for the SERP plans of our
management. Other operating losses decreased $335 thousand. The 1997 loss was
attributable to a fraud on our credit cards. The increase in other non-interest
expenses was mainly attributable to the $402 thousand merger expense related to
the aborted Western Bancorp transaction.

    The following table shows the detail of non-interest expense for the years
ended December 31, 1997 and December 31, 1996:

<TABLE>
<CAPTION>
                                                                 DECEMBER 31,
                                                              -------------------    INCREASE
                                                                1997       1996     (DECREASE)
                                                              --------   --------   ----------
                                                                   (DOLLARS IN THOUSANDS)
<S>                                                           <C>        <C>        <C>
Salaries and benefits.......................................  $ 9,630    $ 8,555      $1,075
Occupancy, furniture and equipment..........................    2,557      2,223         334
Advertising and business development........................      690        559         131
Other real estate owned.....................................      114        144         (30)
Other professional services.................................      407        326          81
Telephone, stationery and supplies..........................      685        629          56
Data processing.............................................      705        634          71
Customer service costs......................................      955        894          61
Regulatory assessments......................................       39          1          38
Operating losses............................................      379         30         349
Other.......................................................      821        639         182
                                                              -------    -------      ------
  Non-interest expense......................................  $16,982    $14,634      $2,348
                                                              =======    =======      ======
</TABLE>

    Non-interest expense increased approximately $2.3 million from approximately
$14.6 million for the year ended December 31, 1996 to approximately $17 million
for the year ended December 31, 1997. The increase in salaries and benefits
accounted for approximately 44%, or $1.1 million, which is attributed to the
opening of a new branch in San Marcos in northern San Diego county in July 1997

                                       57
<PAGE>
and reorganization of the lending offices and marketing department which
included additional staffing. Operating losses increased by approximately
$349 thousand due to a $352.8 thousand fraud loss perpetrated on our credit
cards in Japan.

    INCOME TAXES

    Our effective rates were 38%, 33% and 38% for years ending December 31,
1998, 1997 and 1996, respectively. The variance from 38% to 33% and back to 38%
was due to recognition of permanent differences not recognized in prior years.
See Note 6 of our Financial Statements for the Years ended December 1998, 1997
and 1996.

    FINANCIAL CONDITION

    OVERVIEW ANALYSIS OF BALANCE SHEET

    We had total assets of approximately $468.9 million at September 30, 1999 as
compared to total assets of $455.6 million as of December 31, 1998. Total
Deposits increased from $422.3 million as of December 31, 1998 to
$431.8 million as of September 30, 1999. Loans net of deferred fees and costs
and unearned income increased to $291.7 million as of September 30, 1999 from
$270.0 million as of December 30, 1998. Shareholder' equity increased to
$32.1 million as of September 30, 1999 from $29.2 million as of December 31,
1998. We had total assets of approximately $455.6 million at December 31, 1998
as compared to total assets of approximately $418.2 million at December 31,
1997. Total deposits increased from approximately $389.2 million at
December 31, 1997 to approximately $422.3 million at December 31, 1998. Loans
net of deferred fees and costs and unearned income increased to approximately
$272.8 million at December 31, 1998 from approximately $234.6 million at
December 31, 1997. Securities at December 31, 1998 were approximately
$122.5 million compared to $125.0 million at December 31, 1997. Shareholders'
equity increased from approximately $25.4 million at December 31, 1997 to
approximately $29.2 million at December 31, 1998.

    We had total assets of approximately $343.8 million at December 31, 1996 as
compared to total assets of approximately $418.2 million at December 31, 1997.
Total deposits increased from approximately $318.7 million at December 31, 1996
to $389.2 million at December 31, 1997. Loans net of deferred fees and cost and
unearned income increased to $234.6 million at December 31, 1997 from
$212.6 million at December 31, 1996. Securities increased to $125.0 million at
December 31, 1997 compared to $85.0 million at December 31, 1996. Shareholders'
equity increased from $22.4 million at December 31, 1996 to $25.4 million at
December 31, 1997.

    CAPITAL ACTIVITIES

    In June 1999, we declared a 5% stock dividend per share payable on July 21,
1999 to Peninsula shareholders of record on July 7, 1999. In June 1998, we
declared a 5% stock dividend per share payable on July 24, 1998 to Peninsula
shareholders of record on July 10, 1998. In February 1998, we declared a two for
one stock split payable on March 27, 1998 to Peninsula shareholders of record on
March 11, 1998. In June 1997, we declared a 5% stock dividend payable on
July 25, 1997 to Peninsula shareholders of record on July 8, 1997. We declared a
5% stock dividend in 1996, 1995 and 1994, along with quarterly cash dividends
totaling $.25, $.23 and $.21 per year for years ended December 31, 1996, 1995
and 1994 respectively.

    In July 1999, we declared a cash dividend of $.093 per share payable on
August 27, 1999 to Peninsula shareholders of record on August 13, 1999. In
April 1999, we declared a $.086 per share cash dividend payable on May 24, 1999
to Peninsula shareholders of record on May 10, 1999. In January 1999, we
declared a $.086 per share cash dividend payable on February 23, 1999 to
Peninsula shareholders of record on February 9, 1999.

                                       58
<PAGE>
    In December 1998, we declared a cash dividend of $.038 per share payable on
January 6, 1999 to Peninsula shareholders of record on December 18, 1998. In
October 1998, we declared a cash dividend of $.076 per share on November 12,
1998 to Peninsula shareholders of record on October 28, 1998. In July 1998, we
declared a cash dividend of $.08 per share payable on August 25, 1998 to
Peninsula shareholders of record on August 11, 1998. In April 1998, we declared
a $.073 per share cash dividend payable on May 27, 1998 to Peninsula
shareholders of record on May 13, 1998. In January 1998, we declared a $.068 per
share cash dividend payable on February 25, 1998 to Peninsula shareholders of
record on February 11, 1998.

    In 1997, we declared total cash dividends for the year of $.27 per share
payable on February 27, 1997, May 23, 1997, August 27, 1997 and November 26,
1997 to Peninsula shareholders of record on February 12, 1997, May 9, 1997,
August 13, 1997 and November 12, 1997, respectively.

    Peninsula paid stock dividends of 5% in July of 1999, 1998 and 1997. The
outstanding shares of Peninsula common stock were also split on a two-for-one
basis, effective March 1998. The foregoing dividend information has been
adjusted to reflect all such events.

    CASH LIQUIDITY

    Cash liquidity consists of cash and cash equivalents, securities available
for sale less pledged securities and reserve requirements divided by total
deposits, and treasury tax and loan borrowings less securities pledged for
deposit balances. During 1998, we consistently maintained cash liquidity of
approximately 40%, which was a product of low loan demand and competition in the
marketplace for business. We also committed liquid funds to short term
investments during a period when the yield curve was relatively flat. The
average amount of reserve requirements for 1998 held in balances at the Federal
Reserve was $40 thousand.

    For September 1999, the net cash provided by operating activities was due
mainly from net income and deferred loan fees on new loans, less other assets.
The decrease in net cash used in investing activities was due to the purchase of
"available for sale investments" and net additions to loans, less the proceeds
from maturities on "available for sale investments" and proceeds from maturities
and principal paydowns on "held to maturity investments". The increase in net
cash provided by financing activities was due from an increase in deposit
accounts less cash dividends.

    For September 1998, the increase in net cash provided by operating
activities was due mainly from net income and deferred loan fees on new loans
less other assets. The decrease in net cash used in investing activities was due
mainly to the purchases of held to maturity investment securities, purchases of
available for sale investment securities, new additions to loans less the
proceeds from maturities on available for sale investments and proceeds from
maturities/principal paydowns on held to maturity investment securities. The
increase in net cash provided by financing activities was due to the increase in
deposit accounts less cash dividends.

    INVESTMENT PORTFOLIO

    The fair value of securities available for sale increased from $38.0 million
on December 31, 1997, to $39.9 million on December 31, 1998, and to $61.0
million on September 30, 1999. The increase from 1997 to 1998 is attributable to
the maturities of securities held to maturity being reinvested in shorter term
available for sale securities. Currently, our investment policy requires that
maturities of available for sale securities be a maximum of three years or less.
During 1999, securities that matured were reinvested in short term available for
sale securities to increase liquidity in preparation for any additional
liquidity requirements created by Year 2000 concerns.

                                       59
<PAGE>
    The fair value of securities available for sale at the dates indicated are
summarized in the table below:

<TABLE>
<CAPTION>
                                                          AT THE YEARS ENDED DECEMBER 31,
                                                         ---------------------------------
                                   SEPTEMBER 30, 1999      1998        1997        1996
                                   -------------------   ---------   ---------   ---------
                                                   (DOLLARS IN THOUSANDS)
<S>                                <C>                   <C>         <C>         <C>
U.S. Government securities.......        $20,059          $17,014     $28,101     $36,130
U.S. Agency securities...........         40,659           22,918       9,858       4,008
                                         -------          -------     -------     -------
Total available for sale
  securities.....................        $60,718          $39,932     $37,959     $40,138
                                         =======          =======     =======     =======
</TABLE>

    The following table shows the maturities of securities available for sale as
of December 31, 1998:

<TABLE>
<CAPTION>
                                                                                 1 YEAR
                                                        1 YEAR                  THROUGH
                               TOTAL                   OR LESS                  3 YEARS
                               AMOUNT     YIELD         AMOUNT     YIELD         AMOUNT     YIELD
                              --------   --------      --------   --------      --------   --------
                                                     (DOLLARS IN THOUSANDS)
<S>                           <C>        <C>           <C>        <C>           <C>        <C>
DECEMBER 31, 1998:
U.S. Government
  securities................  $17,014      5.93%       $12,924      5.94%       $ 4,090      5.90%
U.S. Agency securities......   22,918      5.28%        14,904      5.18%         8,014      5.46%
                              -------                  -------                  -------
Total.......................  $39,932      5.56%       $27,828      5.53%       $12,104      5.61%
                              =======                  =======                  =======
Amortized cost..............  $39,748                  $27,718                  $12,031
                              =======                  =======                  =======
</TABLE>

    The following table shows the carrying amounts of the securities held to
maturity at the dates indicated:

<TABLE>
<CAPTION>
                                                         AT THE YEARS ENDED DECEMBER 31,
                                                        ---------------------------------
                                   SEPTEMBER 30, 1999     1998        1997        1996
                                   ------------------   ---------   ---------   ---------
                                                   (DOLLARS IN THOUSANDS)
<S>                                <C>                  <C>         <C>         <C>
U.S. Government securities.......        $16,043         $22,081     $29,108     $12,963
U.S. Agency securities...........         23,252          33,979      23,213      10,164
Mortgage-backed securities.......          4,216           6,034       8,980       1,590
CMOs.............................          5,618          10,297      13,788       6,344
Obligations of state and
  political subdivisions.........          7,331           8,912      10,961      12,823
                                         -------         -------     -------     -------
Total............................        $56,460         $81,303     $86,050     $43,884
                                         =======         =======     =======     =======
</TABLE>

    The amortized cost of securities held-to-maturity decreased approximately
$4.7 million from $86.1 million on December 31, 1997 to $81.3 million on
December 31, 1998. This decrease is largely due to the paydowns on mortgage
backed securities due to the lower interest rates in the first half of 1998 and
to the maturities of our municipal bonds. The amortized cost of securities held
to maturity decreased approximately $24.8 million from December 31, 1998 to
September 30, 1999. Maturities and calls on U. S. Government and Agency
securities are the main factors contributing to this decrease. Reinvestments
were kept short term and placed in the available for sale category.

                                       60
<PAGE>
    The following table shows the maturities of securities held-to-maturity as
of December 31, 1998:

<TABLE>
<CAPTION>
                                                         LESS          ONE
                                                         THAN        THROUGH        OVER 5
                                          TOTAL        ONE YEAR      5 YEARS        YEARS
                                         --------      --------      --------      --------
                                                       (DOLLARS IN THOUSANDS)
<S>                                      <C>           <C>           <C>           <C>
U. S. Government securities............  $22,081       $ 6,008       $16,073        $   --
  Average yield........................     6.22%         6.58%         6.09%           --
U. S. Agency securities................   33,979         7,743        26,236            --
  Average yield........................     5.95%         5.97%         5.94%           --
Mortgage--backed securities............    6,034           142         3,252         2,640
  Average yield........................     6.39%         7.00%         6.68%         6.00%
CMOs...................................   10,297         4,324         5,973            --
  Average yield........................     6.32%         5.93%         6.60%           --
Obligations of state & political
  subdivisions(1)......................    8,912         2,272         6,640            --
  Average yield........................     4.31%         4.33%         4.30%           --
                                         -------       -------       -------        ------
Total held-to-maturity securities......  $81,303       $20,489       $58,174        $2,640
                                         =======       =======       =======        ======
  Average yield........................     6.08%         6.36%         5.98%         6.18%
                                         =======       =======       =======        ======
</TABLE>

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

(1) All of the obligations of state and political subdivision securities are
    bank qualified tax-exempt securities. There is no adjustment made to yield
    calculations for this tax-exempt status. Weighted average tax equivalent
    yield is 6.53% on the state and political subdivision obligations.

    On December 31, 1998, we did not have investments in securities issued by
any one non-federal issuer which exceeded 10% of our shareholders' equity.

    On September 30, 1999 we held eight CMO's with an amortized cost of
approximately $5.6 million and a current market value of approximately
$5.6 million. The weighted average yield of these investments was 6.39% and the
weighted average life was 1.42 years. On December 31, 1998, we held eight CMOs
with an amortized cost of approximately $10.3 million and a current market value
of approximately $10.3 million. The weighted average yield of these investments
was 6.32% and the weighted average life was 1.41 years. All of the CMOs have
been tested no less than annually, using the Federal Financial Institutions
Examination Council ("FFIEC") "High Risk Security Test", and each of the
securities has passed the annual tests.

    We do not have a securities trading account and do not intend to trade
securities.

    LOAN AND LEASE PORTFOLIO

    We concentrate our lending activities in three principal areas:

    (1)  REAL ESTATE LOANS.  Real estate loans are comprised of construction
loans, miniperm loans collateralized by first or junior trust deeds on specific
properties, and equity lines of credit. The properties collateralizing real
estate loans are principally located in our primary market area of San Diego
county. The construction loans are comprised of loans on residential and income
producing properties. Construction loans generally have terms of one year and
typically bear an interest rate that floats with the prime rate or other
established index. The miniperm loans finance the purchase and/or ownership of
income producing properties. Miniperm loans are generally made with an
amortization schedule ranging from fifteen to thirty years, with a lump sum
balloon payment due in five to ten years. Equity lines of credit are revolving
lines of credit collateralized by junior trust deeds on real property. These
equity lines of credit bear a rate of interest that floats with the prime rate
and have a maturity of ten years. We also make a number of loans on 1 to 4
family residential properties and 5 or more

                                       61
<PAGE>
unit residential properties. From time to time, we purchase participation
interests in loans made by other institutions. These loans are subject to the
same underwriting criteria and approval process as loans made directly by us.
Our real estate portfolio is subject to certain risks, including

       (a) a possible downturn in the Southern California economy such as that
           which occurred during the early 1990's,

       (b) interest rate increases due to inflation,

       (c) reduction in real estate values in Southern California, and

       (d) continued increases in competitive pricing and loan structure

We strive to reduce the exposure to such risks by (i) reviewing each loan
request and renewal individually, (ii) using a Loan Committee process, and
(iii) following written loan policies. Each loan request is reviewed on the
basis of our ability to recover both principal and interest in view of the
inherent risks of the loan.

    (2)  COMMERCIAL LOANS.  Commercial loans are made to finance operations, to
provide working capital or for specific purposes, such as to finance the
purchase of assets, equipment or inventory. A borrower's cash flow from
operations is generally the prime source of repayment. Commercial loans include
lines of credit and commercial term loans. Lines of credit are extended to
businesses or individuals based on the financial strength and integrity of the
borrower and are generally (with some exceptions) collateralized by short term
assets such as accounts receivable and inventory, equipment or real estate and
generally have a maturity of one year or less. Such lines of credit bear an
interest rate that floats with our base rate. Commercial term loans are
typically made to finance the acquisition of fixed assets, to refinance
short-term debt originally used to purchase fixed assets or, in rare cases, to
finance the purchase of businesses. Commercial term loans generally have terms
from one to seven years. Commercial term loans may be collateralized by the
asset being acquired or other available assets and bear interest which either
floats with our base rate or is fixed for the term of the loan. Our portfolio of
commercial loans is subject to certain risks, including

       (a) a possible downturn in the Southern California economy,

       (b) possible higher interest rates, and

       (c) the possible deterioration of borrower's financial capabilities over
           time.

We strive to reduce the exposure to such risks through the direct approval of
loans over $100 thousand by our Loan Committee and following written loan
policies. In general, we receive and review financial statements of borrowing
customers on an ongoing basis during the term of the relationship and react to
any deterioration noted.

    (3)  CONSUMER LOANS AND LEASES.  Consumer loans include personal loans, auto
loans, boat loans, home improvement loans, equipment loans, revolving lines of
credit and other loans typically made by banks to individual borrowers. Loans
are offered both on a fixed and variable rate basis. Our consumer loan portfolio
is subject to certain risks, including

       (a) the high amount of credit offered to consumers in the market,

       (b) the possibility of higher interest rates due to possible inflation,
           and

       (c) the consumer bankruptcy laws which allow consumers to discharge
           certain debts.

We strive to reduce the exposure to such risks through (i) the use of prudent
underwriting criteria emphasizing debt service capability, and (ii) the direct
approval of loans in excess of $100 thousand by the our Loan Committee and
adherence with written credit policies.

                                       62
<PAGE>
    In addition to the dual signature method of loan approval and the adherence
to written lending policies, all major loan commitments are reviewed after
approval, on a monthly basis, by the full board of directors and quarterly by an
outside loan review team.

    The following table sets forth the amount of loans outstanding at the end of
the following periods according to the type of loan. Our lending activities are
predominately in San Diego County and we have no foreign loans.

<TABLE>
<CAPTION>
                                                                         DECEMBER 31,
                                                     ----------------------------------------------------
                                SEPTEMBER 30, 1999     1998       1997       1996       1995       1994
                                ------------------   --------   --------   --------   --------   --------
                                                         (DOLLARS IN THOUSANDS)
<S>                             <C>                  <C>        <C>        <C>        <C>        <C>
Real estate construction.....        $ 14,872        $  9,447   $ 10,676   $ 10,274   $  7,952   $  6,793
Real estate mortgage.........         200,697         182,935    156,365    141,622    128,456    120,171
Commercial...................          52,191          51,969     39,297     34,060     27,384     22,940
Installment and other........          28,012          29,425     29,067     27,453     27,765     26,156
                                     --------        --------   --------   --------   --------   --------
Total Loans..................         295,772         273,776    235,405    213,409    191,557    176,060
Less: Deferred Loan
  Origination Fees and
    Costs....................          (1,123)         (1,013)      (849)      (808)      (724)      (708)
Less: Allowance for Loan
  Losses.....................          (2,944)         (2,739)    (2,358)    (2,150)    (1,853)    (1,898)
                                     --------        --------   --------   --------   --------   --------
Net Loans....................        $291,705        $270,024   $232,198   $210,451   $188,980   $173,454
                                     ========        ========   ========   ========   ========   ========
</TABLE>

    There are no concentrations of loans exceeding 10% of total loans which were
not otherwise disclosed as a category of loans in the above table.

    Gross loans increased $21.9 million from $272.8 million at December 31, 1998
to $294.6 million at September 30, 1999 and the allowance for loan losses
increased $205 thousand from $2.7 million at December 31, 1998 to $2.9 at
September 30, 1999. Gross loans increased $38.2 million from $234.6 million at
December 31, 1997 to $272.8 million at December 31, 1998 and the allowance for
loan losses increased $381 thousand from $2.4 million at December 31, 1997 to
$2.7 million at December 31, 1998. Gross loans increased $22.0 million from
$212.6 million at December 31, 1996 to $234.6 million at December 31, 1997 and
the allowance for loan losses increased $208 thousand from $2.2 million at
December 31, 1996 to $2.4 million at December 31, 1997.

    With certain exceptions, a bank is permitted, under California law, to make
loans to a single borrower in aggregate amounts up to 25% of its sum of
shareholders' equity (excluding the effect of the unrealized gain or loss on
securities available for sale included in shareholders' equity), allowance for
loan and lease losses, capital reserves, if any, and debentures, if any, for
"secured loans" (as defined for regulatory purposes), and up to 15% of such sum
for the aggregate of "unsecured loans" (as defined for regulatory purposes). As
of September 30, 1999, the lending limit was approximately $8.1 million for
secured loans and approximately $4.9 million for unsecured loans. As of
December 31, 1998, the lending limit was approximately $7.3 million for secured
loans, and approximately $4.4 million for unsecured loans. There were no loans
outstanding to a single borrower which exceeded these limits at September 30,
1999 or December 31, 1998.

                                       63
<PAGE>
    MATURITIES AND SENSITIVITIES OF LOANS TO CHANGES IN INTEREST RATES

    The following table shows the amount of loans outstanding as of
December 31, 1998 which, based on the contracted maturities of principal that
(1) are due in the period indicated and (2) their repricing opportunities by
fixed or variable rate.

<TABLE>
<CAPTION>
                                                                      ONE
                                                     ONE YEAR OR   THROUGH 5    OVER 5
                                                        LESS         YEARS      YEARS      TOTAL
                                                     -----------   ---------   --------   --------
                                                                (DOLLARS IN THOUSANDS)
<S>                                                  <C>           <C>         <C>        <C>
Real Estate Construction...........................    $ 8,913     $    534    $     --   $  9,447
Real Estate Mortgage...............................     11,662       67,357     103,917    182,936
Commercial.........................................     18,843       23,024      10,101     51,968
Installment and other..............................      2,227       13,509      13,689     29,425
                                                       -------     --------    --------   --------
Total..............................................    $41,645     $104,424    $127,707   $273,776
                                                       =======     ========    ========   ========
LOANS MATURING AFTER ONE YEAR WITH:
Fixed interest rates...............................                $ 65,178    $ 28,820
Variable interest rates............................                  39,246      98,887
                                                                   --------    --------
Total..............................................                $104,424    $127,707
                                                                   ========    ========
</TABLE>

    The rate index with which interest rate floats may be the prime rate posted
in the Wall Street Journal, the 3 month average of T-Bill rate, the 1 year
T-Bill rate, or the 11th District Cost of Funds or our base rate.

    CREDIT QUALITY AND ANALYSIS

    Our policy concerning non-performing loans is to cease accruing interest on
these loans, and to charge off all accrued and unpaid interest on loans that are
past due as to principal and/or interest for at least 90 days, or at such
earlier time as management determines that timely collection of the interest
will be in doubt. However, in certain circumstances, loans that are past due for
90 days or more may continue accruing interest or interest may not be charged
off when the related loans are well secured or in the process of being
collected. When we receive cash on nonaccrual loans, our policy is to record
such receipts first as a reduction to the principal and then as interest income.

                                       64
<PAGE>
    NONACCRUAL, PAST DUE, AND RESTRUCTURED LOANS

    The following table reflects our nonaccrual, past due and restructured loans
as of September 30, 1999 as well as at December 31 of each year indicated:

<TABLE>
<CAPTION>
                                                                             DECEMBER 31,
                                   SEPTEMBER 30,   ----------------------------------------------------------------
                                       1999          1998          1997          1996          1995          1994
                                   -------------   --------      --------      --------      --------      --------
                                                                (DOLLARS IN THOUSANDS)
<S>                                <C>             <C>           <C>           <C>           <C>           <C>
NONACCRUAL LOANS:
  Real estate construction.......      $   0       $      0       $   0        $     0       $      0      $      0
  Real estate mortgage...........          0            102           0          1,163             52            24
    Commercial...................          0              0           0              0              0             0
  Installment and other..........          0              0           0              0              0           142
                                       -----       --------       -----        -------       --------      --------
Total............................      $   0       $    102       $   0        $ 1,163       $     52      $    166
                                       =====       ========       =====        =======       ========      ========
Total nonaccrual loans as a
  percentage of gross loans......       0.00%          0.04%       0.00%          0.55%          0.03%         0.09%
Allowance for loan losses to
  nonaccrual loans...............       0.00%       2685.29%       0.00%        184.87%       3563.46%      1143.37%

Loans past due 90 days or more on
  accrual status:
  Real estate mortgage...........      $   0       $     48       $   0        $     0       $    228      $    389
  Commercial.....................          0              0           0              0              0             0
  Installment and other..........          0              0          28              9              0             9
                                       -----       --------       -----        -------       --------      --------
Total............................      $   0       $     48       $  28        $     9       $    228      $    398
                                       =====       ========       =====        =======       ========      ========
RESTRUCTURED LOANS:
  On accrual status..............      $  12       $     12       $  30        $    99       $    211      $    532
  On nonaccrual status(1)........          0              0           0            284              0             0
                                       -----       --------       -----        -------       --------      --------
Total............................      $  12       $     12       $  30        $   383       $    211      $    532
                                       =====       ========       =====        =======       ========      ========
</TABLE>

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

(1) Included in nonaccrual loans above.

    Nonaccrual loans increased from $0 at December 31, 1997 to $102 thousand at
December 31, 1998. This consisted of one loan with reserves set aside of
approximately $15 thousand.

    The nonaccrual loans decreased to $0 at September 30, 1999 from
$102 thousand at December 31, 1998. Loans past due for 90 days or more decreased
to $0 at September 30, 1999 from $48 thousand at December 31, 1998.

    There are no commitments to lend additional funds to borrowers listed as
nonaccrual or past due for 90 days or more.

    POTENTIAL PROBLEM LOANS AND IMPAIRED LOANS

    "Impaired loans" are loans for which it is probable that we will not be able
to collect all of the amounts due according to the contractual terms of the loan
agreement. The category of "impaired loans" is not coextensive with the category
of "nonaccrual loans," although the two categories may overlap. "Nonaccrual
loans" include impaired loans and are those loans on which the accrual of
interest is discontinued when collectibility of principal and interest is
uncertain or payments of principal or interest have become past due for 90 days
or more. We may chose to place a loan on nonaccrual status due to payment
delinquency or uncertain collectibility, while not classifying the loan as
impaired if it is probable that we will collect all amounts due in accordance
with the contractual terms of the

                                       65
<PAGE>
loan. Factors considered by management in determining the impairment of loans
include payment status and collateral value. The amount of impairment for these
types of impaired loans is determined by the difference between the present
value of the expected cash flows related to the loan, using the original
contractual interest rate, and its recorded value, or, as a practical expedient
in the case of collateralized loans, the difference between the fair value of
the collateral and the recorded amount of the loans. When foreclosure is
probable, impairment is measured based on the fair value of the collateral.
Small homogenous loans may be measured collectively for impairment. Loans that
experience insignificant payment delays and insignificant shortfalls in payment
amounts are not classified as impaired. Management determines the significance
of payment delays and payment shortfalls on a case-by-case basis, taking into
consideration all of the circumstances surrounding the loan and the borrower,
including the length of the delay, the reasons for the delay, the borrower's
prior payment record, and the amount of the shortfall in relation of the
principal and interest owed.

    The following table shows the historical trends in nonperforming assets and
comparative credit ratios:

    At September 30, 1999 there were no impaired loans. At December 31, 1998 and
1997, impaired loans and the related specific loan allowances were as follows:

<TABLE>
<CAPTION>
                                           RECORDED    ALLOWANCE FOR LOAN      NET
                                          INVESTMENT    AND LEASE LOSSES    INVESTMENT
                                          ----------   ------------------   ----------
                                                     (DOLLARS IN THOUSANDS)
<S>                                       <C>          <C>                  <C>
1998 with specific allowances...........     $102              $15             $ 87
1997 with specific allowances...........     $212              $62             $150
</TABLE>

    Except as reflected above, our management is not aware of any borrowers who
are experiencing severe financial difficulties, or who, in the normal course of
business, represent any identified loss potential. We monitor all loans and
complete an internal watch list report, which is inclusive of both loans past
due and borrowers that have been identified for close monitoring.

    Our lending activities are predominantly in San Diego county. Other than
this geographical concentration, and a concentration in real estate loans, we
consider the loan portfolio to be diverse, and there are no specific
concentrations as to any borrower or group of borrowers that are engaged in
similar activities which would cause them to be similarly impacted by economic
or other considerations.

                                       66
<PAGE>
    SUMMARY OF LOAN LOSS EXPERIENCE AND ALLOWANCE FOR LOAN AND LEASE LOSSES

    The following table summarizes loan balances, loans charged off, the
provision for loan losses charged to expense, the allowance, and loan
recoveries:

<TABLE>
<CAPTION>
                                                         AT OR FOR THE YEARS ENDED DECEMBER 31,
                                  SEPTEMBER 30,   ----------------------------------------------------
                                      1999          1998       1997       1996       1995       1994
                                  -------------   --------   --------   --------   --------   --------
                                                         (DOLLARS IN THOUSANDS)
<S>                               <C>             <C>        <C>        <C>        <C>        <C>
Balance at the beginning of the
  period........................    $  2,739      $  2,358   $  2,150   $  1,853   $  1,898   $  1,585
Loans and leases charged off:
  Real estate mortgage..........           0            21        336          5         92         92
  Real estate construction......           0             0          0          0          0          0
  Commercial....................          30            45         80        240        139        221
  Installment and others........          41            77         95        132        302        234
                                    --------      --------   --------   --------   --------   --------
    Total loans charged off.....          71           143        511        377        533        547
                                    --------      --------   --------   --------   --------   --------
Recoveries on loans and leases
  charged off:
  Real estate mortgage..........           0             0         17          0          0          6
  Real estate construction......           0             0          0          0          0          0
  Commercial....................          46            40        149         82          4         35
  Installment and others........          15            40         55         26         14         24
                                    --------      --------   --------   --------   --------   --------
Total recoveries on loans
  charged off...................          61            80        221        108         18         65
                                    --------      --------   --------   --------   --------   --------
Net loans charged off...........          10            63        290        269        515        482
                                    --------      --------   --------   --------   --------   --------
Provision charged to operating
  expense.......................         215           444        498        566        470        795
                                    --------      --------   --------   --------   --------   --------
Balance at the end of the
  period........................    $  2,944      $  2,739   $  2,358   $  2,150   $  1,853   $  1,898
                                    ========      ========   ========   ========   ========   ========
Loans:
Average loans outstanding during
  the period....................    $281,066      $245,472   $220,845   $203,358   $181,699   $170,516
Gross loans at end of the
  period........................    $294,649      $272,763   $234,556   $212,601   $190,833   $175,352
Ratios:
Net loans charged off to average
  loans.........................        0.00%         0.03%      0.13%      0.13%      0.28%      0.28%
Allowance as a percent of end of
  the period loans..............        1.00%         1.00%      1.01%      1.01%      0.97%      1.08%
</TABLE>

    The allowance for loan and lease losses increased from $2.7 million on
December 31, 1998 to $2.9 million on September 30, 1999. Net charge off loans
for the nine months of 1999 were $10 thousand, with charge off of $71 thousand
and recoveries of $61 thousand. The allowance for loan and lease losses
increased from $2.4 million at December 31, 1997 to $2.7 million at
December 31, 1998. Net loans and leases charged-off decreased from 0.13% for
1997 to .03% for 1998. The provision charged to operating expense declined
$54 thousand from $498 thousand for 1997 to $444 thousand for 1998.

    The allowance for loan and lease losses increased from $2.2 million at
December 31, 1996 to $2.4 million at December 31, 1997. Net loans and leases
charged-off remained constant at .13% for the years 1997 and 1996. The provision
charged to operating expenses decreased $68 thousand from $566 thousand in 1996
to $498 thousand in 1997.

                                       67
<PAGE>
    Our local markets were severely affected by the recession from 1994 through
1995, and in several instances borrowers who had never reported financial
difficulties experienced insufficient cash flows for timely debt service and
many declared bankruptcy. During 1996, the economy started a slow recovery which
has continued through 1999.

    The allowance for loan and lease losses as a percentage of end of the year
loans and leases has remained constant at approximately 1.0% while net loans and
leases charged off to average loans and leases has declined from 0.28% at
December 31, 1994 to 0.03% at December 31, 1998.

    The following table reflects our management's allocation of the allowance
for loan losses by loan type:

<TABLE>
                                    ALLOWANCE FOR LOAN AND LEASE LOSSES

                                                                            DECEMBER 31,
                                           SEPTEMBER    ----------------------------------------------------
                                           30, 1999      1998       1997       1996       1995       1994
                                           ----------   --------   --------   --------   --------   --------
                                                                (DOLLARS IN THOUSANDS)
<S>                                        <C>          <C>        <C>        <C>        <C>        <C>
Real estate construction................     $   71      $   52     $   99     $   84     $   92     $   98
  Real estate mortgage..................        561         519        714        790        827        871
  Commercial............................        711         691        642        666        523        456
  Installment and other.................        277         279        370        331        353        405
  Not allocated.........................      1,324       1,198        533        279         58         68
                                             ------      ------     ------     ------     ------     ------
    Total...............................     $2,944      $2,739     $2,358     $2,150     $1,853     $1,898
                                             ======      ======     ======     ======     ======     ======
</TABLE>

<TABLE>
                                         LOANS AND LEASES
                                                                  DECEMBER 31,
                                 SEPTEMBER    ----------------------------------------------------
                                 30, 1999       1998       1997       1996       1995       1994
                                 ----------   --------   --------   --------   --------   --------
                                                      (DOLLARS IN THOUSANDS)
<S>                              <C>          <C>        <C>        <C>        <C>        <C>
Real estate construction......    $ 14,872    $  9,447   $ 10,676   $ 10,274   $  7,952   $  6,793
Real estate mortgage..........     200,697     182,935    156,365    141,622    128,456    120,171
Commercial....................      52,191      51,969     39,297     34,060     27,384     22,940
Installment and other.........      28,012      29,425     29,067     27,453     27,765     26,156
                                  --------    --------   --------   --------   --------   --------
Total.........................    $295,772    $273,776   $235,405   $213,409   $191,557   $176,060
                                  ========    ========   ========   ========   ========   ========
</TABLE>

<TABLE>
                                                       PERCENT OF TOTAL LOANS
                                                                                              DECEMBER 31,
                                                    SEPTEMBER       ----------------------------------------------------------------
                                                    30, 1999        1998          1997          1996          1995          1994
                                                    ----------      --------      --------      --------      --------      --------
                                                                                 (DOLLARS IN THOUSANDS)
<S>                                                 <C>             <C>           <C>           <C>           <C>           <C>
Real estate construction.........................        5%             3%            5%            5%            4%            4%
Real estate mortgage.............................       68%            67%           66%           66%           67%           68%
Commercial.......................................       18%            19%           17%           16%           14%           13%
Installment and other............................        9%            11%           12%           13%           15%           15%
                                                       ---            ---           ---           ---           ---           ---
Total............................................      100%           100%          100%          100%          100%          100%
                                                       ===            ===           ===           ===           ===           ===
</TABLE>

    The allowance for loan and lease losses allocated to the loan and lease
categories shown above is based on previous loan and lease loss experience, the
level of nonaccrual loans, our management's review of classified loans, and
evaluation of the current loan portfolio. While the allowance for loan and lease
losses is allocated to specific loans and portfolio segments, the allowance is
general in nature and is available for the portfolio in its entirety.

                                       68
<PAGE>
    IMPAIRED LOANS

    Our impaired loans, as defined by SFAS No.114, totaled approximately
$102 thousand and $212 thousand at December 31, 1998 and 1997, respectively.
These loans have allowance for loan and lease losses of approximately
$15 thousand and $62 thousand at December 31, 1998 and 1997, respectively. Our
average investment in impaired loans was approximately $186 thousand and
$232 thousand during the years ended December 31, 1998 and 1997, respectively.
Interest income recognized on impaired loans was approximately $8 thousand and
$24 thousand during the years ended December 31, 1997 and 1996, respectively.
There were no impaired loans as of September 30, 1999.

    We have established a monitoring system for loans and leases in order to
identify impaired loans and potential problem loans and to permit periodic
evaluation of impairment and the adequacy of allowance for loan and lease losses
in a timely manner. All problem loans and leases are monitored on a monthly
basis, making appropriate adjustments to grade classifications where necessary.
This monitoring system and allowance methodology includes a loan-by-loan and
lease-by-lease analysis for all classified loans and leases, as well as loss
factors for the balance of the portfolio that are based on migration analysis
relative to both the classified and the unclassified portion of the portfolio.
This analysis includes such factors as historical loss experience, current
portfolio delinquencies, and risk levels of classified loans and leases and
particular loan and lease pool categories.

    We are required, under applicable law and regulations, to review the assets
on a regular basis and to classify them as "pass", "special mention",
"substandard", "doubtful", or "loss". An asset which possesses no apparent
weakness or deficiency is designated as "pass". An asset which possesses
weaknesses or deficiencies deserving close attention is designated as "special
mention". An asset, or a portion thereof, is generally classified as
"substandard" if it possesses a well-defined weakness which could jeopardize the
timely liquidation of the asset or realization of the collateral at the asset's
book value. Substandard assets are characterized by the possibility that the
institution will sustain some loss if the deficiencies are not corrected. An
asset or portion thereof, is classified as "doubtful" if a probable loss of
principal and/or interest exists but the amount of the loss, if any, is subject
to the outcome of future events, which are undeterminable at the time of
classification. If an asset or portion thereof, is classified as "loss", we
charge off such an amount.

    On a quarterly basis, senior management and the board of directors of
Peninsula review the adequacy of the allowance for loan and lease losses. A Loan
Reserve Analysis report is prepared and reviewed for each loan and lease on our
classified asset listings. This report includes all pertinent details about the
loan or lease, a write-up of the current status, steps being taken to correct
any problems, a detailed workout plan and recommendations as to a classification
of the loan and leases. Loans and leases classified as "loss" are immediately
charged against the allowance for loan and lease losses.

    Based on the foregoing discussion and all of the factors analyzed by our
management in determining the adequacy of the allowance for loan and lease
losses, our management believes that the allowance was adequate at December 31,
1998 and September 30, 1999. Our management utilizes its best judgement in
providing for possible loan and lease losses and establishing the allowance for
loan and lease losses. However, the allowance is an estimate, which is
inherently uncertain and depends on the outcome of future events. Although we
believe that the allowance for loan and lease losses is adequate, there can be
no assurance that the allowance will be adequate to cover future loan and lease
losses.

    OTHER REAL ESTATE OWNED

    Other real estate owned ("OREO") is comprised of real estate acquired
through foreclosure or through the receipt of a deed in lieu of foreclosure.
These assets are recorded at the lower of the carrying value of the loan or the
fair value, based on a current appraisal, less selling costs of the related real
estate. The excess carrying value, if any, over the fair market value of the
asset received is

                                       69
<PAGE>
charged to the allowance for loan and lease losses at the time of acquisition.
Any subsequent decline in the fair market value of the OREO is recognized as a
charge to operations and a corresponding decrease to the OREO asset. Gains from
sales and operating expenses associated with OREO assets are included in
operations when realized.

    The following table summarizes our net OREO portfolio:

<TABLE>
<CAPTION>
                                                                  DECEMBER 31,
                              SEPTEMBER 30,   ----------------------------------------------------
                                  1999          1998       1997       1996       1995       1994
                              -------------   --------   --------   --------   --------   --------
                                                     (DOLLARS IN THOUSANDS)
<S>                           <C>             <C>        <C>        <C>        <C>        <C>
Other Real Estate Owned.....      $   0        $ 207      $ 259      $ 485      $1,019     $   0
Percent of Total Assets.....       0.00%        0.05%      0.06%      0.14%       0.32%     0.00%
</TABLE>

    DEPOSITS

    In 1996, 1997, 1998 and 1999, we progressively increased deposit rates,
which had been low in years 1994 through 1995 due to the lack of competition for
deposits at a time when banks were still operating with low or lower than normal
loan demand. Since 1995, we have generally become much more aggressive in
pricing time deposits, but have yet to make a significant increase in the rate
paid on interest-bearing transactional accounts.

    We provide a range of deposit types to meet the needs of the local market.
Time deposits, which are normally sensitive to competitive rate changes, are
generally used to expand and contract the overall liability position needed to
meet the various management ratios established for liquidity, capital, loans to
deposits, and other funding measurements. As a policy, we do not accept or
solicit brokered deposits.

    The following table shows the average amount of interest bearing and
non-interest bearing deposits:

<TABLE>
<CAPTION>
                                 SEPTEMBER 30,
                                 1999 AVERAGE          1998 AVERAGE          1997 AVERAGE          1996 AVERAGE
                              -------------------   -------------------   -------------------   -------------------
                              BALANCE      RATE     BALANCE      RATE     BALANCE      RATE     BALANCE      RATE
                              --------   --------   --------   --------   --------   --------   --------   --------
                                                             (DOLLARS IN THOUSANDS)
<S>                           <C>        <C>        <C>        <C>        <C>        <C>        <C>        <C>
Noninterest-bearing
  deposits..................  $139,836     0.00%    $132,013     0.00%    $102,047     0.00%    $ 83,107     0.00%
Interest-bearing demand
  deposits..................   126,691     2.28%     115,308     2.18%     114,674     2.09%     101,072     2.21%
Savings deposits............    42,250     2.18%      38,145     2.24%      33,427     2.15%      31,589     2.14%
Time deposits...............   116,649     4.65%     110,625     5.18%     102,293     5.29%      90,565     5.28%
                              --------              --------              --------              --------
Total(1)....................  $425,426     2.17%    $396,091     2.30%    $352,441     2.42%    $306,333     2.51%
                              ========              ========              ========              ========
</TABLE>

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

(1) Includes noninterest-bearing deposits for both amounts and rates. Rate
    represents weighted averages.

    The following table shows the contractual maturity schedule of time
certificates of deposit of $100,000 or more as of the dates indicated:

<TABLE>
<CAPTION>
                                                      SEPTEMBER 30,   DECEMBER 31,
                                                          1999            1998
                                                      -------------   ------------
                                                         (DOLLARS IN THOUSANDS)
<S>                                                   <C>             <C>
3 months or less....................................     $35,830         $28,320
Over 3 months through 6 months......................      10,577          11,630
Over 6 months through 12 months.....................      11,165           9,215
Over 1 year.........................................       2,453           3,433
                                                         -------         -------
    Total...........................................     $60,025         $52,598
                                                         =======         =======
</TABLE>

                                       70
<PAGE>
    Deposits increased approximately $9.5 million to $431.8 million at
September 30, 1999 from $422.3 million at December 31, 1998. Deposits increased
approximately $33.1 million, or 8.5%, from approximately $389.2 million at
December 31, 1997 to approximately $422.3 million at December 31, 1998. This
growth was primarily attributed to the increase in economic activity in San
Diego county and the continued expansion of our branch system.

    SHORT TERM BORROWINGS

    We had short-term borrowings through the treasury tax and loan program with
a balance of $700 thousand as of September 30, 1999. The average borrowing for
1999 was $586 thousand with an average rate of interest of 4.67%. We had
short-term borrowings through the treasury tax and loan program with a balance
of $700 thousand as of December 31, 1998 and $600 thousand at December 31, 1997.
The maximum borrowing for 1996 and 1995 was $600 thousand. The average borrowing
for 1998, 1997 and 1996 was $515 thousand, $562 thousand and $513 thousand,
respectively. The average rate of interest paid for 1998, 1997 and 1996 was
5.16%, 4.80% and 7.21%, respectively.

    On an infrequent basis, we have purchased overnight federal funds to
facilitate payment for incoming cash letters that are collected through the
Federal Reserve Bank. For the nine month period of 1999 our average Federal
Funds purchased was $8 thousand, with $0 outstanding as of September 30, 1999.
For the years 1998, 1997 and 1996, the average Federal Funds purchased was
$211 thousand, $136 thousand and $309 thousand, respectively. To facilitate this
requirement, Union Bank of California has extended to us an overnight line of
credit with a maximum of $10 million. At December 31, 1996 and 1997, we had no
outstanding liability under this agreement. In addition, we have an agreement
with the Federal Home Loan Bank of San Francisco for extensions of credit up to
a maximum of $31.1 million, secured by qualifying first lien real estate
mortgages. We have not found it necessary to exercise this option.

    LIQUIDITY, INTEREST RATE RISK AND MARKET RISK

    Our major sources of liquidity include deposits, maturities and sales of
securities, and loan repayments. Deposits are a volatile source of funds because
of changing conditions in the interest rate markets and competition. The ability
to sell securities without significant loss is subject to changing market
conditions. Loan repayments are dependent on the financial abilities of our
borrowers.

    Our management believes that current levels and sources of liquidity are
sufficient to meet our commitments. Our management utilizes its best judgment in
determining levels and sources of liquidity. However, liquidity requirement are
inherently uncertain and depend on events in the future. There can be no
assurance that the current levels and sources of liquidity will be sufficient to
meet our requirements.

    In a rising interest rate environment, when rate sensitive assets ("RSA")
exceed rate sensitive liabilities ("RSL"), assets reprice to higher rates more
quickly than liabilities reprice, resulting in a net interest margin that tends
to rise. When RSL exceed RSA, net interest margin tends to fall in the same
interest rate environment. The opposite effect happens in a decreasing interest
rate environment. We work to keep the cumulative difference between RSA and RSL
as low as possible over a one year cycle. Based on historical reviews, it
appears that interest-bearing transactional accounts do not have the same degree
of short-term interest rate sensitivity associated with loans that are tied to
any immediate change in prime rate or to short-term investments such as federal
funds sold.

                                       71
<PAGE>
    The following table breaks down RSA and RSL at September 30, 1999. There are
certain assumptions made as to interest rate sensitivity of nonmaturing
deposits.

<TABLE>
<CAPTION>
                                            90 DAYS     90-365      1-5       OVER 5
                                            OR LESS      DAYS      YEARS      YEARS      TOTAL
                                            --------   --------   --------   --------   --------
                                                           (DOLLARS IN THOUSANDS)
<S>                                         <C>        <C>        <C>        <C>        <C>
Federal funds sold........................  $ 12,540   $      0   $      0   $      0   $ 12,540
Interest-bearing balances due from
  banks...................................       202          0          0          0        202
Securities................................    17,299     37,334     60,658      1,888    117,179
FHLB and FNMA stocks......................         0          0          0      1,729      1,729
Loans and leases..........................   103,284     23,881     65,840    102,767    295,772
                                            --------   --------   --------   --------   --------
Total RSA.................................   133,325     61,215    126,498    106,384    427,422
                                            --------   --------   --------   --------   --------
Savings deposits..........................         0          0     34,300      8,575     42,875
Interest-bearing demand deposits..........         0     36,867     73,734     12,289    122,890
Time certificates of deposit less than
  $100,000................................    31,177     24,832      4,764          0     60,773
Time certificates of deposit of $100,000
  or more.................................    35,830     21,742      2,453          0     60,025
Short-term borrowings.....................       700          0          0          0        700
Other interest-bearing....................         0          0        926          0        926
                                            --------   --------   --------   --------   --------
Total RSL.................................    67,707     83,441    116,177     20,864    288,189
                                            --------   --------   --------   --------   --------
Net RSA-RSL...............................  $ 65,618   $(22,226)  $ 10,321   $ 85,520   $139,233
                                            ========   ========   ========   ========   ========
Cumulative RSA-RSL........................             $ 43,392   $ 53,713   $139,233
                                                       ========   ========   ========
Cumulative as a percentage of total
  assets..................................     13.99%      9.25%     11.45%     29.69%     29.69%
                                            ========   ========   ========   ========   ========
</TABLE>

    The following table breaks down RSA and RSL at December 31, 1998. There are
certain assumptions made as to interest rate sensitivity of nonmaturing
deposits.

<TABLE>
<CAPTION>
                                             90 DAYS     90-365      1-5       OVER 5
                                             OR LESS      DAYS      YEARS      YEARS      TOTAL
                                             --------   --------   --------   --------   --------
                                                            (DOLLARS IN THOUSANDS)
<S>                                          <C>        <C>        <C>        <C>        <C>
Federal funds sold.........................  $19,800    $      0   $      0   $      0   $ 19,800
Interest-bearing balances due from banks...      160           0          0          0        160
Securities.................................   21,897      27,318     70,279      1,731    121,235
FHLB and FNMA stocks.......................        0           0          0      1,254      1,254
Loans and leases...........................   53,658      76,221     66,660     77,237    273,776
                                             -------    --------   --------   --------   --------
Total RSA..................................   95,515     103,549    136,939     80,222    416,225
                                             -------    --------   --------   --------   --------

Savings deposits...........................        0           0     32,746      8,186     40,932
Interest-bearing demand deposits...........        0      33,262     76,291     10,757    120,310
Time certificates of deposit less than
  $100,000.................................   28,891      27,482      5,425          0     61,798
Time certificates of deposit of $100,000 or
  more.....................................   28,321      20,844      3,433          0     52,598
Short-term borrowings......................      700           0          0          0        700
Other interest-bearing.....................        0           0        814          0        814
                                             -------    --------   --------   --------   --------
Total RSL..................................   57,912      81,588    118,709     18,943    277,152
                                             -------    --------   --------   --------   --------
  Net RSA-RSL..............................  $37,603    $ 21,961   $ 18,230   $ 61,279   $139,073
                                             =======    ========   ========   ========   ========
Cumulative RSA-RSL.........................             $ 59,564   $ 77,794   $139,073
                                                        ========   ========   ========

Cumulative as a percentage of total
  assets...................................     9.00%      14.25%     18.62%     33.28%     33.28%
                                             =======    ========   ========   ========   ========
</TABLE>

                                       72
<PAGE>
                 DESCRIPTION OF U.S. BANCORP CAPITAL STOCK AND
                        COMPARISON OF SHAREHOLDER RIGHTS

    As a result of the conversion of shares of Peninsula common stock into
shares of U.S. Bancorp Common Stock in the Merger, Peninsula shareholders will
become holders of stock of U.S. Bancorp ("U.S. BANCORP STOCKHOLDERS"), and their
rights will be governed by the Delaware General Corporation Laws ("DGCL") and by
the certificate of incorporation of U.S. Bancorp ("U.S. BANCORP CERTIFICATE")
and its Bylaws ("U.S. BANCORP BYLAWS"), which differ in some respects from the
California General Corporate Law ("CGCL"), the California Banking Law ("CBL"),
the Articles of Incorporation of Peninsula ("PENINSULA ARTICLES") and its Bylaws
("PENINSULA BYLAWS"). The following is a description of U.S. Bancorp's capital
stock, including the U.S. Bancorp Common Stock to be issued in the Merger, and a
summary of the material differences between the rights of Peninsula shareholders
and U.S. Bancorp stockholders. Although it is impractical to compare all of the
aspects in which the DGCL and the CGCL/CBL and the companies' governing
instruments differ with respect to shareholder rights, the following discussion
summarizes the material significant differences between them.

DESCRIPTION OF U.S. BANCORP CAPITAL STOCK

    The following description of the capital stock of U.S. Bancorp does not
purport to be complete and is subject, in all respects, to applicable Delaware
law and to the provisions of the U.S. Bancorp Certificate. The following
description is qualified by reference to the U.S. Bancorp Certificate, and the
certificate of designation for each series of preferred stock of U.S. Bancorp.

    GENERAL

    The authorized capital stock of U.S. Bancorp consists of 1,500,000,000
shares of U.S. Bancorp Common Stock, par value $1.25 per share, and 50,000,000
shares of preferred stock, par value $1.00 per share. Unless action is required
by applicable laws or regulations, the board of directors of U.S. Bancorp (the
"U.S. BANCORP BOARD") has the power to adopt resolutions that (1) provide for
the issuance of preferred stock in one or more series and (2) fix or limit the
voting rights, designations, preferences, and relative, participating, optional
or other special rights of the preferred stock. This power is limited by
applicable laws or regulations and may be delegated to a committee of the U.S.
Bancorp Board.

    As of the Record Date,             shares of U.S. Bancorp Common Stock were
issued (including             shares held in treasury),             shares were
reserved for issuance under U.S. Bancorp's employee and director plans, U.S.
Bancorp's dividend reinvestment plan and U.S. Bancorp's Term Participating
Preferred Stock rights,             shares were reserved for issuance under
outstanding warrants to purchase U.S. Bancorp Common Stock and
shares were reserved for issuance upon exercise of the Periodic Stock Purchase
Rights and Risk Event Warrants described below. As of the Record Date, there
were             shares of preferred stock of U.S. Bancorp outstanding and
            shares of preferred stock of U.S. Bancorp reserved for issuance.

    PREFERRED STOCK

    U.S. Bancorp presently has one series of preferred stock issued and
outstanding and one series of preferred stock authorized for future issuance. As
of the Record Date, U.S. Bancorp had             shares of U.S. Bancorp's Term
Participating Preferred Stock (the "TERM PARTICIPATING PREFERRED STOCK") and
            shares of its Series 1990A Preferred Stock reserved for issuance.

                                       73
<PAGE>
    TERM PARTICIPATING PREFERRED STOCK

    GENERAL.  U.S. Bancorp has established a series of preferred stock, par
value $1.00 per share, designated as the "Term Participating Preferred Stock."
U.S. Bancorp issued such shares as consideration in connection with a merger
transaction. Holders of Term Participating Preferred Stock will possess rights
to receive U.S. Bancorp Common Stock pursuant to a Rights Agreement, dated as of
January 4, 1999, between U.S. Bancorp and U.S. Bank National Association, as
Rights Agent.

    The number of shares of Term Participating Preferred Stock will initially be
approximately 100,000. The U.S. Bancorp Board may increase or decrease the
number of shares, but not below the number then outstanding. Any shares
transferred to U.S. Bancorp will be available for reissuance as shares of this
series.

    TERM.  The shares of Term Participating Preferred Stock will remain until
December 31, 2003, or the Early Termination Date, as defined in the Rights
Agreement (the "TERM DATE"), unless earlier purchased by U.S. Bancorp. From the
Term Date, (1) each share of Term Participating Preferred Stock will represent
only the right to receive the number of shares of U.S. Bancorp Common Stock to
which the holder of the attached right would be entitled, assuming that the
right is validly exercised or deemed exercised and (2) the holders of the Term
Participating Preferred Stock will have no other rights or claims against U.S.
Bancorp.

    DIVIDENDS.  The U.S. Bancorp Board may declare dividends on the Term
Participating Preferred Stock, out of funds legally available, on the date
occurring prior to the Term Date that dividends or other distributions except
those payable in U.S. Bancorp Common Stock, are payable on or in respect of U.S.
Bancorp Common Stock and in an amount per share equal to the aggregate amount of
dividends or other distributions, except those payable in U.S. Bancorp Common
Stock, that would be payable on that date to a holder of the Reference Package
(as defined below). Dividends on each share will cumulate from the date such
share is originally issued.

    However, any share originally issued after a dividend record date and on or
prior to the dividend payment date to which the record date relates will not be
entitled to receive the dividend payable on the dividend payment date. Holders
of shares will not be entitled to any dividends, whether payable in cash,
property or stock, in excess of full cumulative dividends.

    The term "REFERENCE PACKAGE" initially means ten shares of U.S. Bancorp
Common Stock. If U.S. Bancorp, at any time after the close of business on the
date of initial issuance of the Term Participating Preferred Stock,
(1) declares or pays a dividend on any U.S. Bancorp Common Stock payable in U.S.
Bancorp Common Stock, (2) subdivides, by any split, recapitalization or
otherwise, any U.S. Bancorp Common Stock or (3) combines any U.S. Bancorp Common
Stock into a smaller number of shares, then the Reference Package after this
event will be the U.S. Bancorp Common Stock that a holder of the Reference
Package immediately prior to the event would hold after the event.

    While any shares of Term Participating Preferred Stock are outstanding, U.S.
Bancorp must first pay the full cumulative dividends, including the dividend to
be due upon payment of the dividend, distribution, redemption, purchase or other
acquisition, on all outstanding shares if U.S. Bancorp (1) declares a dividend
upon the U.S. Bancorp Common Stock or upon any other stock ranking junior to the
Term Participating Preferred Stock as to dividends or upon liquidation, except
for dividends in the stock, or (2) acquires for any consideration, or pays or
makes available any money for a sinking fund for the redemption of any shares of
the stock, any U.S. Bancorp Common Stock or any other stock of U.S. Bancorp
ranking junior to or on a parity with the Term Participating Preferred Stock as
to dividends or upon liquidation, except by conversion into or exchange for the
stock.

    MERGER.  If there is a transaction prior to the Term Date in which the
shares of U.S. Bancorp Common Stock are exchanged for or changed into other
stock or securities, cash and/or any other

                                       74
<PAGE>
property, then each share of Term Participating Preferred Stock shall at the
same time be similarly exchanged or changed in an amount equal to the aggregate
amount of stock, securities, cash and/or any other property payable in kind, as
the case may be, that a holder of the Reference Package would be entitled to
receive as a result of the transaction.

    LIQUIDATION PREFERENCE.  If U.S. Bancorp is liquidated prior to the Term
Date, the holders of shares of Term Participating Preferred Stock will be
entitled to receive an amount per share equal to the aggregate amount
distributed or to be distributed prior to the date in connection with the
liquidation to a holder of the Reference Package. This payment will be made
before any distribution or payment is made to the holders of U.S. Bancorp Common
Stock or of any other stock of U.S. Bancorp ranking junior to the Term
Participating Preferred Stock upon liquidation. This payment also includes
accrued dividends to the distribution or payment date, whether or not earned or
declared. If the payment is made in full to all holders, or on or following the
occurrence of the Term Date, the holders as such will have no right or claim to
any of the remaining assets of U.S. Bancorp.

    If the assets of U.S. Bancorp available for distribution to the holders of
shares of Term Participating Preferred Stock upon any liquidation of U.S.
Bancorp are insufficient to pay all amounts to which the holders are entitled
pursuant to the preceding paragraph, no distribution will be made on account of
any shares of any other class or series of preferred stock ranking on a parity
with the Term Participating Preferred Stock. However, U.S. Bancorp may pay
proportionate distributive amounts on account of the shares of Term
Participating Preferred Stock, ratably in proportion to the full distributable
amounts for which holders of all of these parity shares are respectively
entitled upon the liquidation. Upon the liquidation of U.S. Bancorp, the holders
of shares of Term Participating Preferred Stock then outstanding will be
entitled to be paid out of assets of U.S. Bancorp available for distribution to
its stockholders all amounts to which the holders are entitled pursuant to the
preceding paragraph before any payment is made to the holders of U.S. Bancorp
Common Stock or any other stock of U.S. Bancorp ranking junior upon liquidation
to the Term Participating Preferred Stock.

    REDEMPTION.  The shares of Term Participating Preferred Stock will not be
redeemable.

    VOTING.  The shares of Term Participating Preferred Stock will not afford
their holders any right to vote or consent except as required by law.

    TRANSFER. A share of Term Participating Preferred Stock may not be
transferred by any person to whom the share is issued by U.S. Bancorp except:
(1) by an employee to the employee's spouse or children or trusts for their
benefit or the benefit of the employee; (2) by the laws of descent; or (3) to
U.S. Bancorp; and, in each case, without the receipt of value for the shares.

    U.S. BANCORP SERIES 1990A PREFERRED STOCK

    In connection with the sale by U.S. Bancorp of 37,800,000 shares of U.S.
Bancorp Common Stock and accompanying periodic stock purchase rights and risk
event warrants in a private placement in July 1990, U.S. Bancorp may under some
circumstances be obligated to issue up to 12,750 shares of its Series 1990A
Preferred Stock. See "--Common Stock--Periodic Stock Purchase Rights and Risk
Event Warrants" below. The shares of Series 1990A Preferred Stock would, if
issued, provide for a liquidation preference of $100,000 per share. The dividend
rate would be adjusted quarterly and would be determined at the time of
issuance.

    If, at the time of any annual meeting of U.S. Bancorp stockholders for the
election of directors, the amount of accrued but unpaid dividends on the
Series 1990A Preferred Stock were equal to at least six quarterly dividends on
the series, then the number of directors of U.S. Bancorp would be increased by
one and the holders of such Series 1990A Preferred Stock, voting as a separate
class, would be entitled to elect one additional director who would continue to
serve the full term for which he or she would have been elected, notwithstanding
the declaration or payment of any dividends on the

                                       75
<PAGE>
Series 1990A Preferred Stock. The affirmative vote or consent of the holders of
at least two-thirds of the outstanding shares of U.S. Bancorp Series 1990A
Preferred Stock will be required for any amendment of the U.S. Bancorp
Certificate, including any certificate of designation or any similar document
relating to any series of preferred stock of U.S. Bancorp, that will adversely
affect the powers, preferences, privileges or rights of the U.S. Bancorp
Series 1990A Preferred Stock. The affirmative vote or consent of the holders of
at least two-thirds of the outstanding shares of U.S. Bancorp Series 1990A
Preferred Stock will be required to issue, authorize, or increase the authorized
amount of, or issue or authorize any obligation or security convertible into or
evidencing a right to purchase, any additional class or series of stock ranking
prior to the U.S. Bancorp Series 1990A Preferred Stock as to dividends or upon
liquidation.

    ADDITIONAL PROVISIONS

    The rights of holders of U.S. Bancorp Common Stock will be subject to, and
may be adversely affected by, the rights of holders of any preferred stock that
may be issued in the future. Any such issuance may adversely affect the
interests of holders of the U.S. Bancorp Common Stock by (1) limiting the
control that the holders may exert by exercise of their voting rights or
(2) subordinating their rights in liquidation to the rights of the holders of
preferred stock of U.S. Bancorp. In addition, the issuance of shares of
preferred stock of U.S. Bancorp may discourage takeover attempts and other
changes in control of U.S. Bancorp by limiting the exercise of control by a
person who has gained a substantial equity interest in U.S. Bancorp. U.S.
Bancorp has no current plans or agreements with respect to the issuance of any
other shares of preferred stock, except as described above with respect to the
Series 1990A Preferred Stock and the Term Participating Preferred Stock.

    COMMON STOCK

    GENERAL.  Each share of U.S. Bancorp Common Stock is entitled to the
dividends that may from time to time be declared by the U.S. Bancorp Board of
Directors from any funds legally available for dividends. U.S. Bancorp may not
declare any cash dividends on, or make any payment on account of, the purchase,
redemption or other retirement of, U.S. Bancorp Common Stock unless (1) full
dividends, including accumulated dividends, if applicable, have been paid or
declared or set apart for payment upon all outstanding shares of the preferred
stock of U.S. Bancorp and (2) U.S. Bancorp is not in default or in arrears with
respect to any sinking or other analogous fund or other agreement for the
purchase, redemption or other retirement of any shares of preferred stock of
U.S. Bancorp. Holders of U.S. Bancorp Common Stock are entitled to one vote per
share. U.S. Bancorp stockholders do not have the right to cumulate their votes
in the election of directors. U.S. Bancorp Common Stock has no conversion
rights, and the holders of U.S. Bancorp Common Stock have no preemptive or other
rights to subscribe for additional securities of U.S. Bancorp. In the event of
the liquidation of U.S. Bancorp, after the payment or provision for payment of
all debts and liabilities and subject to the rights of the holders of preferred
stock of U.S. Bancorp that may be outstanding, the holders of U.S. Bancorp
Common Stock will be entitled to share ratably in the remaining assets of U.S.
Bancorp. The U.S. Bancorp Common Stock is listed on the New York Stock Exchange.

    U.S. BANCORP DIVIDEND REINVESTMENT AND COMMON STOCK PURCHASE PLAN.  Pursuant
to its U.S. Bancorp Reinvestment and Purchase Plan, U.S. Bancorp provides
eligible stockholders with a method of investing cash dividends and optional
cash payments at 100% of the average price (as defined in the U.S. Bancorp
Reinvestment and Purchase Plan) in additional shares of U.S. Bancorp Common
Stock without payment of any brokerage commission or service charge. The U.S.
Bancorp Reinvestment and Purchase Plan includes some dollar limitations on
participation and provides for eligible stockholders to elect dividend
reinvestment on only a part of the shares registered in the name of a
participant, while continuing to receive cash dividends on remaining shares.

                                       76
<PAGE>
    PERIODIC STOCK PURCHASE RIGHTS AND RISK EVENT WARRANTS.  U.S. Bancorp has
entered into (1) a Stock Purchase Agreement, dated as of May 30, 1990 (as
amended, the "STOCK PURCHASE AGREEMENT"), by and among Corporate Partners, L.P.
("CORPORATE PARTNERS"), Corporate Offshore Partners, L.P. ("OFFSHORE" and,
together with Corporate Partners, the "PARTNERSHIPS"), The State Board of
Administration of Florida ("STATE BOARD") solely in its capacity as a managed
account and not in its individual capacity (State Board and the Partnerships
being referred to in this Proxy Statement collectively as the "PURCHASERS"),
Corporate Advisors, L.P. and U.S. Bancorp and (2) a Stock Purchase Agreement,
dated as of May 30, 1990 (the "FLORIDA STOCK PURCHASE AGREEMENT"), by and
between State Board in its individual capacity and U.S. Bancorp.

    Pursuant to the Stock Purchase Agreement, U.S. Bancorp sold:

    - to Corporate Partners, 26,568,723 shares of U.S. Bancorp Common Stock, 10
      Periodic Stock Purchase Rights (each a "PSPR") and one Risk Event Warrant,

    - to Offshore, 1,931,928 shares of U.S. Bancorp Common Stock, 10 PSPRs and
      one Risk Event Warrant, and

    - to State Board, 2,819,349 shares of U.S. Bancorp Common Stock, 10 PSPRs
      and one Risk Event Warrant.

Pursuant to the Florida Stock Purchase Agreement, U.S. Bancorp sold to State
Board 6,480,000 shares of U.S. Bancorp Common Stock, 10 PSPRs and one Risk Event
Warrant.

    The Stock Purchase Agreement and the Florida Stock Purchase Agreement
contain transfer restrictions with respect to the shares of U.S. Bancorp Common
Stock acquired under it and standstill provisions limiting further acquisitions
of U.S. Bancorp Common Stock by the Purchasers and State Board. The Stock
Purchase Agreement and the Florida Stock Purchase Agreement also grant each of
the Purchasers and State Board the right to purchase its pro rata share of any
Voting Securities (as defined in the Stock Purchase Agreement) sold by U.S.
Bancorp for cash, subject to some exceptions. Pursuant to the Stock Purchase
Agreement, the Purchasers have designated one person to act as a non-voting
observer of the U.S. Bancorp Board.

    Each PSPR issued to the Purchasers and State Board relates to a specific
twelve-month period commencing with the twelve-month period following closing of
the transactions contemplated under the Stock Purchase Agreement and the Florida
Stock Purchase Agreement. Each PSPR shall become exercisable in the event that a
Dividend Shortfall (as defined in the Stock Purchase Agreement) exists for the
specific twelve-month period to which the PSPR relates. A Dividend Shortfall
will be deemed to exist to the extent that U.S. Bancorp has not paid a cash
dividend equal to $0.0683 per share of U.S. Bancorp Common Stock for each
quarter within the twelve-month period. The PSPRs will be exercisable for that
number of shares of U.S. Bancorp Common Stock or, subject to the prior approval
of the FRB, depositary shares representing one one-thousandth of a share of
Series 1990A Preferred Stock ("DEPOSITARY SHARES") such that the holders of
PSPRs will receive value equal to the Dividend Shortfall. Once a PSPR has become
exercisable, it will remain exercisable for a one-year period at an exercise
price of $1.25 per share of U.S. Bancorp Common Stock or $1.00 per Depositary
Share. If a PSPR were to become exercisable and were not redeemed by U.S.
Bancorp as described below, the issuance of Depositary Shares or U.S. Bancorp
Common Stock upon exercise of a PSPR could adversely affect the market price of
the U.S. Bancorp Common Stock. If the PSPRs were to be exercised for U.S.
Bancorp Common Stock, there could be substantial dilution of the U.S. Bancorp
Common Stock.

    Each "RISK EVENT WARRANT" will become exercisable in the event of some
defined change of control events with respect to U.S. Bancorp where the value
received by holders of the U.S. Bancorp Common Stock is less than $4.625 per
share, or in some circumstances in the event the U.S. Bancorp Common Stock is
valued at less than $4.625 per share on the tenth anniversary of the closing of
the

                                       77
<PAGE>
transactions contemplated under the Stock Purchase Agreement. The Risk Event
Warrants will be exercisable for that number of shares of U.S. Bancorp Common
Stock at an exercise price of $1.25 per share or, in some circumstances, subject
to the prior approval of the FRB, Depositary Shares such that the holders of
Risk Event Warrants will receive value equal to the shortfall. If the Risk Event
Warrants were to become exercisable and were not redeemed by U.S. Bancorp as
described below, the issuance of Depositary Shares or U.S. Bancorp Common Stock
upon exercise of a Risk Event Warrant could adversely affect the market price of
the U.S. Bancorp Common Stock. If the Risk Event Warrants were to be exercised
for U.S. Bancorp Common Stock, there could be substantial dilution of the U.S.
Bancorp Common Stock. In the event of a change in control at a time when the
market price of the U.S. Bancorp Common Stock is less than $4.625 per share, the
Risk Event Warrants may have the effect of reducing the price per share to be
received by the holders of the U.S. Bancorp Common Stock.

    In the event of the exercise of a Risk Event Warrant upon the occurrence of
certain change of control events, U.S. Bancorp may, at its option, subject to
the prior approval of the FRB, elect to have such Risk Event Warrant become
exercisable for other securities of U.S. Bancorp acceptable to the holder of the
Risk Event Warrant in lieu of the shares of U.S. Bancorp Common Stock for which
the Risk Event Warrant would otherwise become exercisable. In addition, U.S.
Bancorp has the right, subject to the prior approval of the FRB, to redeem any
PSPR at a price equal to the Dividend Shortfall and any Risk Event Warrant at a
price equal to the "VALUE SHORTFALL" (as defined in the Stock Purchase
Agreement, or the "TERMINATION SHORTFALL AMOUNT" (as defined in the Stock
Purchase Agreement), as applicable, after the PSPR or Risk Event Warrant, as the
case may be, will have become exercisable. U.S. Bancorp also has entered into a
registration rights agreement with the Purchasers and with State Board pursuant
to which the Purchasers and State Board, respectively, are granted some rights
to cause U.S. Bancorp to register with the SEC the U.S. Bancorp Common Stock
acquired pursuant to the Stock Purchase Agreement and the Florida Stock Purchase
Agreement and the securities acquired upon exercise of the PSPRs and the Risk
Event Warrants.

ADDITIONAL PROVISIONS OF THE U.S. BANCORP CERTIFICATE AND U.S. BANCORP BYLAWS

    The U.S. Bancorp Certificate requires the affirmative vote of the holders of
80% of the "Voting Stock" (as defined in the U.S. Bancorp Certificate) of U.S.
Bancorp to approve certain mergers, consolidations, reclassifications,
dispositions of assets or liquidation, involving or proposed by certain
significant stockholders, unless certain price and procedural requirements are
met or unless the transaction is approved by the "Continuing Directors" (as
defined in the U.S. Bancorp Certificate). In addition, the U.S. Bancorp
Certificate provides for classification of the U.S. Bancorp Board into three
separate classes, sets a maximum board size of 30 and authorizes action by the
stockholders of U.S. Bancorp only pursuant to a meeting and not by a written
consent. These provisions of the U.S. Bancorp Certificate can only be amended by
the affirmative vote of the holders of not less than 80% of the outstanding U.S.
Bancorp voting stock, except with respect to any amendment to the U.S. Bancorp
Certificate to reduce the maximum number of U.S. Bancorp directors to the
greater of (1) the number of directors then in office and (2) 24, which
amendment would require the approval of the holders of a majority of the
outstanding of U.S. Bancorp Common Stock pursuant to the DGCL. The U.S. Bancorp
Bylaws provide that special meetings of stockholders may be called only by the
U.S. Bancorp Board of Directors or the chief executive officer. The overall
effect of these provisions may be to delay or prevent attempts by other
corporations or groups to acquire control of U.S. Bancorp without negotiation
with the U.S. Bancorp Board.

                                       78
<PAGE>
COMPARISON OF RIGHTS OF U.S. BANCORP STOCKHOLDERS AND PENINSULA SHAREHOLDERS

    GENERAL

    U.S. Bancorp is a bank holding company incorporated under and subject to all
the provisions of the DGCL and the U.S. Bancorp Certificate and U.S. Bancorp
Bylaws. Peninsula is a California corporation incorporated under and subject to
all the provisions of the CGCL, the CBL and the Peninsula Articles and Peninsula
Bylaws.

    Upon consummation of the Merger, except for those persons who dissent from
the Merger and perfect their dissenters' rights under the National Bank Act (12
U.S.C. Section 215a), Peninsula shareholders will become U.S. Bancorp
stockholders. The rights of Peninsula shareholders differ from the rights of
U.S. Bancorp stockholders because the Peninsula charter documents and the law of
its state of incorporation differ in certain material respects from the U.S.
Bancorp charter documents and the law of its state of incorporation.

    The following is a summary of the principal differences in the rights of
Peninsula shareholders as compared to the rights of U.S. Bancorp stockholders.
For information on how to obtain copies of the U.S. Bancorp Certificate, and the
U.S. Bancorp Bylaws, see "WHERE YOU CAN FIND MORE INFORMATION ABOUT U.S.
BANCORP."

    CAPITAL STOCK

    The authorized capital stock of U.S. Bancorp consists of 1,500,000,000
shares of U.S. Bancorp Common Stock, par value $1.25 per share, and 50,000,000
shares of preferred stock, par value $1.00 per share. Unless action is required
by applicable laws or regulations, the U.S. Bancorp Board has the power to adopt
resolutions that (1) provide for the issuance of preferred stock in one or more
series and (2) fix or limit the voting rights, designations, preferences, and
relative, participating, optional or other special rights of the preferred
stock. This power is limited by applicable laws or regulations and may be
delegated to a committee of the U.S. Bancorp Board.

    As of the Record Date,             shares of U.S. Bancorp Common Stock were
issued, including             shares held in treasury,             shares were
reserved for issuance under U.S. Bancorp's employee and director plans, U.S.
Bancorp's dividend reinvestment plan and U.S. Bancorp's Term Participating
Preferred Stock rights,             shares were reserved for issuance under
outstanding warrants to purchase U.S. Bancorp Common Stock and
shares were reserved for issuance upon exercise of the PSPRs and Risk Event
Warrants. As of the Record Date, there were             shares of preferred
stock of U.S. Bancorp outstanding and             shares of preferred stock of
U.S. Bancorp reserved for issuance.

    The authorized capital stock of Peninsula consists of 10,000,000 shares of
Peninsula common stock, no par value. As of the Record Date, 2,610,973 shares of
Peninsula common stock were issued and outstanding.

    DIRECTORS

    Under the U.S. Bancorp Bylaws, the U.S. Bancorp Board has the authority to
determine the number of directors from time to time, provided that, under the
U.S. Bancorp Certificate, the number of directors may not be less than 12 nor
more than 30. The directors of U.S. Bancorp are divided into three classes
(Class I, Class II and Class III), with each class have the same number of
directors as nearly as is possible. The term of office of the Class I directors
will expire at U.S. Bancorp's annual meeting in 2002, the term of office of the
Class II directors will expire at U.S. Bancorp's annual meeting in 2000, and the
term of office of the Class III directors will expire at U.S. Bancorp's annual
meeting in 2001. At each annual election of directors, the directors chosen to
succeed those whose terms have then expired are identified as being of the same
class as the directors they succeed and are

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elected for a term expiring at the third succeeding annual election of
directors. Vacancies and newly created directorships resulting from an increase
in the number of directors may be filled by a majority of the directors then in
office, and the directors so chosen will hold office until the next election of
the class for which the directors were chosen and until their successors are
elected and qualified.

    The Peninsula Bylaws provide that the Peninsula Board shall consist of not
less than seven nor more than thirteen members, with the exact number set in the
Peninsula Bylaws or amendment thereof or by resolution of the Peninsula Board or
by vote of the Peninsula shareholders. Any amendment to the Peninsula Bylaws
affecting the authorized number of directors must be approved by the vote of a
majority of shares of Peninsula common stock. The Peninsula Board may adopt a
bylaw or an amendment thereof to change the authorized number of directors, but
only for the purpose of fixing the exact number of directors within the limits
specified in the Peninsula Articles. The number of directors is presently fixed
at ten. Each director is elected at the annual meeting of Peninsula shareholders
to serve a one-year term and until his or her successor is elected.

    The Peninsula Bylaws provide that vacancies in the Peninsula Board, except
for a vacancy created by the removal of a director, may be filled by a majority
of the remaining directors, though less than a quorum, or by a sole remaining
director, and each director so elected shall hold office until his or her
successor is elected at an annual or a special meeting of the Peninsula
shareholders. A vacancy in the Peninsula Board created by the removal of a
director may only be filled by the vote of a majority of the shares of Peninsula
common stock entitled to vote, represented at a duly held meeting at which a
quorum is present, or by the written consent of the holders of all of the
outstanding shares of Peninsula common stock. The Peninsula shareholders may
elect a director or directors at any time to fill any vacancy or vacancies not
filled by the directors. Any election by written consent, except to fill a
vacancy by removal, will require the consent of holders of a majority of the
outstanding shares of Peninsula common stock entitled to vote.

    INSPECTION OF SHAREHOLDER LISTS

    Under the DGCL any stockholder of record has the right to inspect, copy and
make extracts of the stockholder lists and specified stockholder materials,
including addresses, shareholdings and some other information, at any time for a
purpose reasonably related to the person's interest as a stockholder. For
10 days prior to, and during, a stockholder meeting, the stockholder list must
be open to inspection to stockholders for any purpose germane to the meeting.
During this 10-day period, the list must be kept at a place specified in the
notice of meeting in the city where the meeting is to be held, or, if not
specified, at the place the meeting is to be held.

    The right of Peninsula shareholders to inspect the Peninsula shareholder
list is governed by the CGCL and the Peninsula Bylaws, which provide that one or
more shareholders holding at least five percent of the outstanding voting
shares, or one percent in the case of shareholders who have filed a Form F-6
with the FDIC relating to the election of Directors of Peninsula, are entitled
to inspect and copy the Peninsula shareholder list during usual business hours
upon five business days' prior written demand on Peninsula. In addition, any
Peninsula shareholder has the right to inspect the shareholder list and various
other corporate records at any time during normal business hours upon written
demand, provided that the purpose is related to the Peninsula shareholder's
interest as a Peninsula shareholder or a holder of a voting trust certificate.
Peninsula shareholders who wish to exercise inspection rights must follow the
procedures provided in Section 1600 of the CGCL.

    AMENDMENT OF CHARTER DOCUMENTS

    The DGCL requires approval by the holders of a majority of the voting power
of U.S. Bancorp Common Stock and resolution of the U.S. Bancorp Board in order
to amend the U.S. Bancorp Certificate of Incorporation. The DGCL reserves the
power to amend or repeal the bylaws exclusively

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to the stockholders unless the certificate of incorporation confers such power
upon the directors. The U.S. Bancorp Bylaws do not contain any supermajority
voting provisions, except as described above under "Additional Provisions of the
U.S. Bancorp Certificate and U.S. Bancorp Bylaws."

    The U.S. Bancorp Certificate provides that the U.S. Bancorp Bylaws may be
amended or repealed by the U.S. Bancorp Board, subject to the power of the
shareholders to amend or repeal any such change to the U.S. Bancorp Bylaws.

    To amend the articles of incorporation of a California corporation, the CGCL
requires the approval of the corporation's board of directors and a majority of
the outstanding shares entitled to vote. An amendment cannot reduce the number
of directors on a board of directors having a fixed size or the minimum number
of directors on a board of directors having a variable size to fewer than five
directors if the votes cast against adoption of such a provision, or the shares
not consenting in the case of action by written consent, are equal to more than
16 2/3% of the outstanding shares entitled to vote. The Peninsula Articles do
not contain any supermajority voting provisions.

    AMENDMENT AND REPEAL OF BYLAWS AND REGULATIONS

    Under the DGCL, holders of a majority of the voting power of a corporation
and, when provided in the certificate of incorporation, the directors of the
corporation, have the power to adopt, amend and repeal the by-laws of a
corporation. The U.S. Bancorp Certificate provides that the U.S. Bancorp Bylaws
may be amended or repealed by the U.S. Bancorp Board, subject to the power of
the stockholders to amend or repeal any such change to the U.S. Bancorp Bylaws.
The U.S. Bancorp Bylaws require a majority vote at any special or annual
stockholder meeting or a majority vote of the entire board of directors in order
to amend or repeal the provisions of the U.S. Bancorp Bylaws.

    The CGCL provides that holders of a majority of the outstanding shares
entitled to vote and the corporation's board of directors each have the power to
adopt, amend or repeal a corporation's bylaws, although the articles or bylaws
of the corporation may restrict or eliminate the power of the board to take
these actions. Furthermore, a bylaw provision cannot reduce the number of
directors on a board of directors having a fixed size or the minimum number of
directors on a board of directors having a variable size to fewer than five
directors if the votes cast against adoption of a such provision, or the shares
not consenting in the case of action by written consent, are equal to more than
16 2/3% of the outstanding shares entitled to vote. Neither the Peninsula Bylaws
nor the Peninsula Articles restricts the power of the Peninsula Board to adopt,
amend or repeal the Peninsula Bylaws, except that the Peninsula Bylaws do not
permit the Peninsula Board to change the minimum and maximum number of directors
set forth in the Peninsula Articles.

    REMOVAL OF DIRECTORS

    The DGCL provides that directors may be removed from office, with or without
cause, by the holders of a majority of the voting power of all outstanding
voting stock, unless the corporation has a classified board and its certificate
of incorporation otherwise provides. If the corporation has cumulative voting,
in which event if less than the entire board is to be removed, no director may
be removed without cause if the votes cast against the director's removal would
be sufficient to elect that director if voted cumulatively either at an election
of the entire board of directors or for classes of the board. Under the U.S.
Bancorp Certificate, U.S. Bancorp stockholders may remove a director only for
cause upon a majority vote of the stockholders.

    The CGCL provides that directors may be removed without cause if the removal
is approved by the majority of the outstanding shares entitled to vote, but the
CGCL further provides that with respect to directors of corporations not having
classified boards of directors, no director can be removed, unless the entire
board is removed, if the votes cast against removal of the director would be
sufficient to elect the director if voted cumulatively without regard to whether
cumulative voting is permitted, at

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an election at which the same total number of votes were cast and the entire
number of directors authorized at the time of the director's most recent
election were then being elected. Peninsula does not currently have a classified
board.

    RIGHT TO CALL SPECIAL MEETINGS OF STOCKHOLDERS

    The DGCL permits special meetings of stockholders to be called by the board
of directors and any other persons, including stockholders, that the certificate
of incorporation or by-laws specify. The DGCL does not require that stockholders
be given the right to call special meetings. The U.S. Bancorp Bylaws provide
that special meetings of stockholders of the corporation may be called only by
the U.S. Bancorp Board or the Chief Executive Officer.

    Under the CGCL, a corporation's board of directors, its chairman of the
board of directors, its president, the holders of shares entitled to cast not
less than 10% of the votes at a meeting of shareholders and any additional
persons that are specified in the corporation's articles or bylaws have the
authority to call special meetings of shareholders. According to the Peninsula
Articles and the Peninsula Bylaws, special meetings of the Peninsula
shareholders, for the purpose of taking any action permitted to be taken by the
Peninsula shareholders under the CGCL, the Peninsula Articles or the Peninsula
Bylaws, may be called at any time by the Chairman of the Board, the President,
the Peninsula Board, or by one or more Peninsula shareholders holding not less
than ten percent (10%) of the votes entitled to be cast at the meeting. Upon
request in writing that a special meeting of Peninsula shareholders be called
for any proper purpose, the officer entitled to call a special meeting shall
cause notice to be given to Peninsula shareholders entitled to vote not less
than 35 not more than 60 days after the receipt of the request. The notice of
any special meeting shall specify the general nature of the business to be
transacted at such meeting.

    STOCKHOLDER ACTION WITHOUT A MEETING

    The DGCL provides that, unless otherwise provided in the certificate of
incorporation, any action that may be taken at a meeting of stockholders may be
taken without a meeting, without prior notice and without a vote, if the holders
of common stock having not less than the minimum number of votes otherwise
required to approve the action at a meeting of stockholders consent in writing
to the action. The U.S. Bancorp Certificate provides that any action required or
permitted to be taken by the stockholders must be effected at a duly called
annual or special meeting of stockholders and may not be effected by any consent
in writing by such stockholders.

    The CGCL provides that, unless otherwise provided in the articles of
incorporation, any action that may be taken at a special or annual meeting of
shareholders may be taken without a meeting and without prior notice if a
consent in writing, setting forth the action taken, is signed by the holders of
outstanding shares having not less than the minimum number of votes that would
be necessary to authorize or take the action at a meeting at which all shares
entitled to vote on the action were present and voted. The Peninsula Articles do
not otherwise provide. Except as discussed above with respect to filling
vacancies on the board of directors, the CGCL does not permit directors to be
elected by written consent except by the unanimous written consent of all shares
entitled to vote in the election of directors.

    CLASS VOTING

    The DGCL requires voting by separate classes only with respect to amendments
to a corporation's certificate of incorporation that increase or decrease the
aggregate number of authorized shares of a class, increase or decrease the par
value of the shares of that class, or alter or change the powers, preferences,
or special rights of the shares of that class so as to affect them adversely.

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    The CGCL requires voting by separate classes with respect to amendments to a
corporation's articles of incorporation that:

    - increase or decrease the aggregate number of authorized shares of the
      class;

    - effect an exchange, reclassification or cancellation of all or part of the
      shares of the class;

    - effect an exchange, or create a right of exchange, of all or part of the
      shares of another class into shares of the class;

    - change the rights, preferences, privileges or restrictions of the shares
      of the class;

    - create a new class of shares having rights, preferences or privileges
      prior to the shares of the class, or increase the rights, preferences or
      privileges or the number of authorized shares of any class having rights,
      preferences or privileges prior to the shares of that class;

    - divide the shares of any class of preferred shares into series having
      different rights, preferences, privileges or restrictions or authorize the
      board to do so; or

    - cancel or otherwise affect dividends on the shares of the class that have
      accrued but have not been paid.

    In addition, the CGCL requires voting by class with respect to mergers,
share exchanges, reorganizations and similar transactions. For purposes of such
voting requirement, classes of common stock differing only as to voting rights
are considered a single class of shares.

    CUMULATIVE VOTING

    Under the DGCL, stockholders do not have the right to cumulate their votes
in the election of directors unless this right is granted in the certificate of
incorporation. The U.S. Bancorp Certificate does not grant this right.

    Under the CGCL, shareholders have the right to cumulate their votes in the
election of directors, but a listed corporation may adopt a provision to
eliminate cumulative voting if (1) it has outstanding shares listed on the New
York Stock Exchange or the American Stock Exchange or (2) it has outstanding
securities designated as qualified for trading on the Nasdaq National Market.
The Peninsula shareholders are entitled to cumulative voting rights in
connection with the election of directors if the names of the relevant
candidate(s) have been placed in nomination prior to commencement of the voting
and the shareholder(s) intending to cumulate votes have given notice of their
intent at the meeting prior to the cumulative voting of such shareholder's
votes.

    PROVISIONS AFFECTING BUSINESS COMBINATIONS

    Section 203 of the DGCL provides generally that any person who acquires 15%
or more of a corporation's voting stock (thereby becoming an "INTERESTED
STOCKHOLDER") may not engage in a wide range of "business combinations" with the
corporation for a period of three years following the date the person became an
Interested Stockholder, unless:

    - the board of directors of the corporation has approved, prior to that
      acquisition date, either the business combination or the transaction that
      resulted in the person becoming an Interested Stockholder;

    - upon completion of the transaction that resulted in the person becoming an
      Interested Stockholder, that person owns at least 85% of the corporation's
      voting stock outstanding at the time the transaction commenced (excluding
      shares owned by persons who are directors and also officers and shares
      owned by employee stock plans in which participants do not have the right
      to determine confidentially whether shares will be tendered in a tender or
      exchange offer); or

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    - the business combination is approved by the board of directors and
      authorized by the affirmative vote (at an annual or special meeting and
      not by written consent) of at least 66 2/3% of the outstanding voting
      stock not owned by the Interested Stockholder.

    These restrictions of Interested Stockholders do not apply under some
circumstances, including, but not limited to, the following:

    - if the corporation's original certificate of incorporation contains a
      provision expressly electing not to be governed by Section 203 of the
      DGCL; or

    - if the corporation, by action of its stockholders, adopts an amendment to
      its by-laws or certificate of incorporation expressly electing not to be
      governed by Section 203 of the DGCL.

    The U.S. Bancorp Certificate requires the affirmative vote of the holders of
not less than 80% of the outstanding shares of U.S. Bancorp entitled to vote in
connection with some "Business Transactions" (as defined in the U.S. Bancorp
Certificate) involving a "Related Person" (as defined in the U.S. Bancorp
Certificate). The 80% stockholder vote is not required if the Business
Transaction meets some "fair price" criteria or in the event the "Continuing
Directors" (as defined in the U.S. Bancorp Certificate) approve the transaction.
The U.S. Bancorp Certificate also requires the vote of the holders of at least
80% of the outstanding shares of U.S. Bancorp entitled to vote generally in the
election of directors to add to, alter, change or repeal the supermajority
provisions.

    Neither the CGCL nor the Peninsula Articles contains any provisions similar
to the DGCL and the U.S. Bancorp Certificate provisions just described.

    INTERESTED DIRECTOR TRANSACTIONS

    Under both the CGCL and DGCL, some contracts or transactions in which one or
more of a corporation's directors has an interest are not void or voidable
because of the interest if specified conditions, such as obtaining the required
approval and fulfilling the requirements of good faith and full disclosure, are
met. With some exceptions, the conditions are similar under the CGCL and DGCL.
Under the CGCL and DGCL, (a) either the shareholders or the board of directors
must approve the contract or transaction after full disclosure of the material
facts, and in the case of board approval, the contract or transaction must also
be "just and reasonable" (in California) or "fair" (in Delaware) to the
corporation, or (b) the contract or transaction must have been just and
reasonable or fair as to the corporation at the time it was approved by the
board of directors, a committee of the board or the shareholders. In the latter
case, the CGCL explicitly places the burden of proof on the interested
directors. Under the CGCL, if shareholder approval is sought, the interested
director is not entitled to vote his or her shares at a shareholder meeting with
respect to any action regarding the contract or transaction. If board approval
is sought, the contract or transaction must be approved by a majority vote of a
quorum of the directors, without counting the vote of any interested directors
(except that interested directors may be counted for the purpose of establishing
a quorum). Under the DGCL, if board approval is sought, the contract or
transaction must be approved by a majority of the disinterested directors (even
though less than a majority of a quorum). Neither U.S. Bancorp nor Peninsula is
aware of any plans to propose any transaction involving directors of Peninsula
that could not be so approved under California law but could be so approved
under Delaware law.

    MERGERS, ACQUISITIONS AND OTHER TRANSACTIONS

    Except as disclosed above in "--Provisions Affecting Business Combinations,"
the DGCL and U.S. Bancorp's governing documents require approval of mergers,
consolidations and dispositions of all or substantially all of a corporation's
assets (other than so-called "parent-subsidiary" mergers) by a majority of the
voting power of the corporation. The DGCL does not require stockholder approval
for

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majority share acquisitions or for combinations involving the issuance of less
than 20% of the voting power of the corporation, except for "business
combinations" subject to Section 203 of the DGCL.

    Under the CGCL, a merger or consolidation by a California corporation
generally requires the affirmative vote of a majority of the outstanding shares
entitled to vote in each particular class of shares, voting separately by class.
For purposes of this voting requirement, classes of common stock differing only
as to voting rights are considered a single class of shares. See "--Class
Voting." Neither the Peninsula Articles nor the Peninsula Bylaws provide for any
greater vote.

    LOANS TO OFFICERS AND EMPLOYEES

    Loans to directors, officers and employees are governed by provisions in the
CBL which establish certain limitations and approval requirements for various
types of extensions of credit. These provisions are substantially identical to
the similar restrictions in federal law which apply to the banking subsidiaries
of U.S. Bancorp. Under the DGCL, a corporation may make loans to, guaranty the
obligations of, or otherwise assist its officers or other employees and those of
its subsidiaries (including directors who are also officers or employees) when
the action, in the judgment of the directors, may reasonably be expected to
benefit the corporation.

    SHAREHOLDER DERIVATIVE SUITS

    The CGCL provides that a shareholder bringing a derivative action on behalf
of a corporation need not have been a shareholder at the time of the transaction
in question, provided that specified tests are met. Under the DGCL, a
stockholder may only bring a derivative action on behalf of the corporation if
(1) the stockholder was a stockholder of the corporation at the time of the
transaction in question or (2) his or her stock subsequently devolved upon him
or her by operation of law. The CGCL also provides that the corporation or the
defendant in a derivative suit may make a motion to the court for an order
requiring the plaintiff shareholder to furnish a security bond. The DGCL does
not have a similar bonding requirement.

    RIGHTS OF DISSENTING STOCKHOLDERS

    Under the DGCL, appraisal rights are available to dissenting stockholders in
connection with some mergers or consolidations. However, unless the certificate
of incorporation otherwise provides, the DGCL does not provide for appraisal
rights (1) with respect to shares of a corporation that are listed on a national
securities exchange or designated as a national market system security on an
interdealer quotations system by the National Association of Securities
Dealers, Inc. or held of record by more than 2,000 stockholders, as long as the
stockholders receive in the merger shares of the surviving corporation or of any
other corporation the shares of which are listed on a national securities
exchange or designated as a national market system security on an interdealer
quotations system by the National Association of Securities Dealers, Inc. or
held of record by more than 2,000 stockholders, or (2) if the corporation is the
surviving corporation and no vote of its stockholders is required for the
merger. The U.S. Bancorp Certificate does not provide otherwise. The DGCL does
not provide appraisal rights to stockholders who dissent from the sale of all or
substantially all of a corporation's assets or an amendment to the corporation's
certificate of incorporation, although a corporation's certificate of
incorporation may so provide. The U.S. Bancorp Certificate does not so provide.

    Under the CGCL, if approval of the outstanding shares of a corporation is
required for a merger, exchange or a sale of all or substantially all of a
corporation's assets, appraisal rights are available to dissenting shareholders.
However, the CGCL generally does not provide for appraisal rights with respect
to shares of some corporations, including those that are listed on a national
securities exchange or designated as a national market system security on an
interdealer quotations system by the National Association of Securities
Dealers, Inc., as long as the exchange or interdealer quotation system has

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been certified by rule or order of the Commissioner of Corporations of the State
of California. An exception to the rule regarding shares listed on a national
securities exchange or designated as a national market system security on an
interdealer quotations system exists if demands for appraisal are filed with
respect to 5% or more of the outstanding shares of that class, in which case the
holders of the shares are entitled to appraisal rights. Since Peninsula common
stock is listed on the OTC Bulletin Board, the Peninsula shareholders will have
appraisal rights. See "DISSENTERS APPRAISAL RIGHTS." The CBL limits the
appraisal rights applicable to shareholders of California chartered banks, such
as Peninsula, from those generally available under the CGCL by providing that
shareholders of the surviving depository corporation in a merger, exchange or
sale of assets will not have appraisal rights.

    Under the DGCL, among other procedural requirements, a stockholder's written
demand for appraisal of shares must be received before the taking of the vote on
the matter giving rise to appraisal rights. Under the CGCL, a shareholder of a
corporation that is not listed on a national securities exchange or designated
as a national market system security on an interdealer quotations system must
deliver written demand for appraisal to the corporation within 30 days after the
date on which the notice of the approval of the Merger by the outstanding shares
of Peninsula was mailed to the Peninsula shareholders. However, because the
Merger being proposed here is with a national association, eligibility is
determined by federal law. See "DISSENTERS APPRAISAL RIGHTS."

    DIVIDENDS

    Both the DGCL and the CGCL permit dividends to be paid in cash, property or
shares of a corporation's capital stock. The DGCL provides that a corporation
may pay dividends out of any surplus, and, if it has no surplus, out of any net
profits for the fiscal year in which the dividend was declared or for the
preceding fiscal year (provided that the payment will not reduce capital below
the amount of capital represented by all classes of shares having a preference
upon the distribution of assets). Since Peninsula is a California
state-chartered bank, its ability to pay dividends or make distributions to its
shareholders is subject to restrictions set forth in the CBL. CBL provides that
neither a bank nor any majority-owned subsidiary of a bank may make a
distribution to its shareholders in an amount which exceeds the lesser of:

    - the bank's retained earnings; or

    - the bank's net income for its last three fiscal years, less the amount of
      any distributions made by the bank or by any majority-owned subsidiary of
      the bank to the shareholders of the bank during such period.

Notwithstanding the previous provision, a bank may, with the prior approval of
the DFI make a distribution to the shareholders of the bank in an amount not
exceeding the greatest of (1) its retained earnings; (2) its net income for its
last fiscal year; or (3) the net income of the bank for its current fiscal year.
If the DFI finds that the shareholders' equity of a bank is inadequate or that
the making of a distribution by a bank would be unsafe or unsound, the DFI may
order the bank to refrain from making a proposed distribution.

    Holders of U.S. Bancorp Common Stock are entitled to receive dividends
declared by the U.S. Bancorp Board out of funds legally available under the laws
of the State of Delaware, subject to the rights of holders of any preferred
stock of U.S. Bancorp. During 1998, total dividends on U.S. Bancorp Common Stock
were $516.4 million, compared with $445.7 million in 1997 and $406.9 million in
1996. U.S. Bancorp has raised its quarterly dividend rate in each of the past
five years. On a per share basis, dividends paid to holders of U.S. Bancorp
Common Stock totaled $.70 in 1998, $.62 in 1997, and $.55 in 1996. On
February 17, 1999, the U.S. Bancorp Board increased the quarterly common
dividend rate to $.195 from $.175. U.S. Bancorp's primary funding sources for
dividends on U.S. Bancorp Common Stock are dividends received from its bank and
nonbank subsidiaries. Payment of dividends to U.S.

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Bancorp by its depository subsidiaries is subject to ongoing review by banking
regulators and to various statutory limitations. No predictions can be made as
to future dividends. The decision to pay dividends is made quarterly by the U.S.
Bancorp Board and depends on earnings, cashflow requirements and other factors.

    Holders of Peninsula common stock are entitled to receive dividends declared
by the Peninsula Board out of funds legally available under the laws of the
State of California, subject to the rights of holders of any preferred stock of
Peninsula that may be issued after the date of this Proxy Statement. Peninsula
management believes that, were Peninsula not to consummate the Merger, it would
likely continue paying quarterly dividends. However, because Peninsula must
comply with the CBL when paying dividends, there can be no assurance that
Peninsula would continue to pay dividends at this level, if at all.

    PREEMPTIVE RIGHTS OF SHAREHOLDERS

    The DGCL provides that no stockholder shall have any preemptive rights to
purchase additional securities of the corporation unless the certificate of
incorporation expressly grants these rights. The U.S. Bancorp Certificate does
not provide for preemptive rights. The CGCL provides that a corporation's
articles of incorporation may grant to shareholders preemptive rights to
subscribe to any or all issues of shares or securities. The Peninsula Articles
do not grant preemptive rights to shareholders.

    INDEMNIFICATION

    The DGCL allows a Delaware corporation to include in its bylaws, and the
U.S. Bancorp Bylaws contain, a provision eliminating the liability of a director
for monetary damages for a breach of such director's fiduciary duties as a
director, except liability:

    - for any breach of the director's duty of loyalty to the corporation or its
      stockholders;

    - for acts or omissions not in good faith or that involve intentional
      misconduct or knowing violation of law;

    - under Section 174 of the DGCL, which deals generally with unlawful
      payments of dividends, stock repurchases and redemptions; and

    - for any transaction from which the director derived an improper personal
      benefit.

    The DGCL permits a corporation to indemnify any person who was or is a party
or is threatened to be made a party to any threatened, pending or completed
action, suit or proceeding, whether civil, criminal, administrative or
investigative, other than an action by or in the right of the corporation, by
reason of the fact that the person is or was a director, officer, employee or
agent of the corporation, or is or was serving at the request of the corporation
as a director, officer, employee or agent of another corporation, partnership,
joint venture, trust or other enterprise, against expenses, including attorneys'
fees, judgments, fines and amounts paid in settlement actually and reasonably
incurred by such person in connection with the action, suit or proceeding if the
person acted in good faith and in a manner the person reasonably believed to be
in or not opposed to the best interests of the corporation, and, with respect to
any criminal action or proceeding, had no reasonable cause to believe the
relevant conduct was unlawful. The DGCL permits a corporation to indemnify any
person who was or is a party or is threatened to be made a party to any
threatened, pending or completed action or suit by or in the right of the
corporation by reason of the fact that the person acted in any of the capacities
set forth above against expenses, including attorneys' fees, actually and
reasonably incurred by the person in connection with the defense or settlement
of the action if the person acted in good faith and in a manner the person
reasonably believed to be in or not opposed to the best interests of the
corporation. However, no indemnification may be made in respect of any claim or
issue as to which the person is adjudged

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liable to the corporation unless, and only to the extent that, the Court of
Chancery of Delaware or the court in which the action was brought determines
upon application that, despite the adjudication of liability but in view of all
the circumstances of the case, the person is fairly and reasonably entitled to
indemnity for the expenses as the Court of Chancery of Delaware or the other
court deems proper.

    The DGCL provides that a corporation must indemnify a present or former
director or officer of a corporation who has been successful on the merits or
otherwise in the defense of any action, suit or proceeding referred to above or
in defense of any claim, issue or matter against expenses, including attorneys'
fees, actually and reasonably incurred by the person. The U.S. Bancorp Bylaws
provide that it will indemnify to the full extent permitted by, and in the
manner permissible under, the DGCL any person made, or threatened to be made, a
party to any action, suit, or proceeding, whether criminal, civil,
administrative, or investigative, by reason of the fact that such person (i) is
or was a director, advisory director, or officer of U.S. Bancorp or any
predecessor of U.S. Bancorp, or (ii) is or was a director, advisory director or
officer of U.S. Bancorp or any predecessor of U.S. Bancorp and served any other
corporation, partnership, joint venture, trust or other enterprise as a
director, advisory director, officer, partner, trustee, employee or agent at the
request of U.S. Bancorp or any predecessor of U.S. Bancorp. These rights of
indemnification will not be deemed exclusive of any other rights to which the
director, advisory director or officer may be entitled apart from the provisions
described herein.

    The U.S. Bancorp Board, in its discretion, will have power on behalf of U.S.
Bancorp to indemnify any person, other than a director, advisory director or
officer, made a party to any action, suit, or proceeding by reason of the fact
that the person, or the testator or intestate of the person, is or was an
employee of U.S. Bancorp.

    The DGCL permits a corporation to pay expenses, including attorneys' fees,
incurred by an officer or director in defending any proceeding in advance of the
final disposition of the matter upon receipt of an undertaking by or on behalf
of such person to repay the amount if it is ultimately determined that the
person is not entitled to indemnity. The U.S. Bancorp Certificate provides that
expenses incurred in defending any proceedings will be paid by U.S. Bancorp in
advance of the final disposition of the proceedings, and that if required by the
DGCL, the advancement of expenses incurred by a U.S. Bancorp indemnitee in his
or her capacity as a director or officer, and not in any other capacity, will be
made only upon delivery of an undertaking by or on behalf of the U.S. Bancorp
indemnitee to repay the amount unless it is ultimately determined that the U.S.
Bancorp indemnitee is entitled to indemnification. The U.S. Bancorp Certificate
and the DGCL also provide that the indemnification provisions of the U.S.
Bancorp Certificate and the statute are not exclusive of any other right that a
person seeking indemnification may have or later acquire under any statute,
provision of the U.S. Bancorp Certificate and U.S. Bancorp Bylaws, agreement,
vote of stockholders or disinterested directors, or otherwise. In addition, the
U.S. Bancorp Certificate and the DGCL provide that the corporation may maintain
insurance, at its expense, to protect itself and any director, officer, employee
or agent of the corporation or of any subsidiary or affiliate or another
corporation, partnership, joint venture, trust or other enterprise against any
expense, liability or loss, whether or not U.S. Bancorp would have the power to
indemnify the person against the expense, liability or loss under the DGCL.

    The indemnification laws of the CGCL allow indemnification to directors,
officers and agents that act in good faith reasonably believing they are acting
in the best interests of the corporation. In the case of a criminal matter, the
person being indemnified must have had no reasonable basis for believing the
conduct to be unlawful. If the indemnification relates to an action by or in the
right of the corporation to procure a judgment in its favor, indemnification is
limited to expenses actually and reasonably incurred in the conduct of his or
her defense or settlement but only if the person acted in

                                       88
<PAGE>
good faith believing the actions to be in the best interests of the corporation
and its shareholders. There is no indemnification for:

    - amounts paid in settlements without court approval for a pending action;

    - expenses incurred in defending a pending action that is settled or
      otherwise disposed of without court approval;

    - matters in which the person will have been adjudged liable to the
      corporation unless the court determines that the person is entitled to be
      indemnified; or

    - other matters specified in the CGCL.

    Under the Peninsula Bylaws, Peninsula may indemnify its directors, officers,
employees and other agents (each an "AGENT") to the extent permitted by CGCL.
The Peninsula Bylaws also provide that Peninsula may advance expenses incurred
in the proceedings just described, upon receipt of an undertaking required by
the CGCL.

                          DISSENTERS' APPRAISAL RIGHTS

    Peninsula shareholders who dissent from the Merger have the opportunity to
exercise dissenters' rights and receive cash in lieu of U.S. Bancorp Common
Stock following the Merger. These rights are provided under federal and state
law. The federal law is contained in 12 U.S.C.A. Section 215a (attached as
Appendix C). The California law is contained in Sections 1300 and 1304 of the
CGCL (attached as Appendix D). To exercise these rights, the shareholder must
satisfy eligibility requirements and follow the procedures outlined in the
statutes. FAILURE TO ESTABLISH ELIGIBILITY OR TO FOLLOW REQUIRED PROCEDURES WILL
RESULT IN LOSS OF DISSENTERS' RIGHTS. The elements of dissenters' rights are:
eligibility, demand, valuation, and payment. A brief summary of these elements
follows:

ELIGIBILITY

    In order to establish eligibility for dissenters' rights, a shareholder must
either (i) vote against the Merger and the Agreement at the Special Meeting or
(ii) notify the presiding officer of the Special Meeting at or prior to the
Special Meeting that the shareholder dissents from the plan of merger. Unless a
shareholder takes one of these two actions, he will not be eligible for
dissenters' rights and will receive U.S. Bancorp Common Stock, not cash, in
exchange for his Peninsula common stock.

    If no instructions are indicated on proxies received by Peninsula, the
proxies will be voted for the proposal to approve the principal terms of the
Merger and the Agreement at the Special Meeting. THOSE PENINSULA SHAREHOLDERS
WHO RETURN THEIR PROXIES WITHOUT INSTRUCTIONS, RESULTING IN A VOTE FOR THE
APPROVAL OF THE PRINCIPAL TERMS OF THE MERGER AND THE AGREEMENT, WILL NOT BE
ENTITLED TO DISSENTERS' RIGHTS.

DEMAND

    A shareholder who is eligible for dissenters' rights has the right to
require U.S. Bancorp to purchase his or her shares of Peninsula common stock for
cash at the fair market value of those shares as of the valuation date. The
valuation date (September 1, 1999) is the day immediately prior to the day the
proposed Merger was announced. California law does not permit the fair market
value to include any appreciation or depreciation in consequence of the Merger.
Dissenting shareholders who wish to exercise this right must perfect it by
giving U.S. Bancorp a written demand as follows:

    Prior to the 30th day following the date the Merger is consummated, a
dissenting shareholder must surrender his Peninsula common stock certificates to
U.S. Bancorp with a written demand that U.S. Bancorp purchase those shares for
cash at their fair market value as of the valuation date. The written demand,
together with the shareholder's Peninsula common stock certificates, must be
delivered to U.S.

                                       89
<PAGE>
Bancorp at U.S. Bancorp, U.S. Bank Place, 601 Second Avenue South, Minneapolis,
Minnesota 55402-4302, Attention: General Counsel. The demand must:

    - be made by the person who was the shareholder of record on the Record Date
      or his or her duly authorized representative (if the record owner of the
      shares is a broker or other nominee, arrangements must be made with that
      record holder for it to make the demand),

    - state the number of dissenting shares and include the shareholder's
      certificate; and

    - include a demand that U.S. Bancorp purchase the shares at the fair market
      value of such shares as of the valuation date.

    In order to help assure that the demand is properly executed and delivered,
U.S. Bancorp and Peninsula recommend that the demand:

    - be sent by registered or certified mail, return receipt requested, and
      properly insured,

    - be signed by the shareholder of record (or his or her duly authorized
      representative) exactly as his or her name appears on the stock
      certificates evidencing the shares (must be signed by all owners whose
      names appear on the stock certificate if more than one), and

    - any person signing a demand in any representative capacity (such as
      attorney-in-fact, executor, administrator, trustee or guardian) should
      indicate his or her title and be prepared, if U.S. Bancorp requests, to
      furnish written proof of his or her capacity and authority to sign the
      demand.

    A DEMAND IS NOT EFFECTIVE FOR ANY PURPOSE IF IT IS NOT RECEIVED BY U.S.
BANCORP BEFORE 30 DAYS AFTER THE CONSUMMATION OF THE MERGER. ONCE THE
SHAREHOLDER ELIGIBLE TO EXERCISE DISSENTER'S RIGHTS MAKES A DEMAND FOR U.S.
BANCORP TO PURCHASE THE SHAREHOLDER'S SHARES, THAT DEMAND MAY NOT BE WITHDRAWN
WITHOUT THE CONSENT OF U.S. BANCORP.

VALUATION

    Under the applicable federal statute, 12 U.S.C. Section 215a, the method of
valuing the Peninsula shares is determined by California law. If the Merger is
approved, within ten days of the approval, U.S. Bancorp will forward to
shareholders that have established their eligibility for dissenters' rights a
notice of the approval of the Merger, copies of the sections of the California
Corporations Code dealing with valuation of dissenters' shares (Section 1300 and
1304), a statement of the price determined by U.S. Bancorp to represent the fair
market value of the dissenting shares, and a brief description of the procedure
to be followed by shareholders who desire to exercise their dissenters' rights.

    If dissenting shareholders agree with the share value set by the
corporation, that will be the price for the shares. If there is a dispute as to
whether the price set by the corporation is the fair market value, then the
shareholder, within six months after the date on which the notice of approval of
the Merger is mailed to the shareholder, may file a complaint in the Superior
Court of the County of San Diego to resolve the issue (or may join in an action
of another dissenting shareholder).

    PENINSULA SHAREHOLDERS ELIGIBLE TO EXERCISE DISSENTERS' RIGHTS SHOULD
CAREFULLY CONSIDER THE ABOVE DISCUSSION, APPENDICES C AND D, AND CONSULT AN
INDEPENDENT INVESTMENT ADVISOR BEFORE EXERCISING THEM.

PAYMENT

    If the value set by U.S. Bancorp is accepted, payment will be made promptly
following receipt of a legally sufficient demand received before 30 days after
consummation of the Merger. If the value set by U.S. Bancorp is disputed and the
shareholder commences litigation to establish the value, payment will be made
promptly following the time a judgment determining the value becomes final.

                                       90
<PAGE>
    A holder of Peninsula common stock ("DISSENTING SHARES"):

    (a) where such stock is outstanding immediately prior to the Effective Time,

    (b) where such stock has been voted against the Merger at the meeting of
shareholders where the Merger was approved or as to which the holder has given
notice, at or prior to that meeting, to the presiding officer of the meeting
that such holder dissents to the Merger, and

    (c) where such holder has made demand on U.S. Bancorp for cash in lieu of
U.S. Bancorp Common Stock for such Dissenting Shares following the procedures
outlined above,

will be entitled only to receive the fair market value of the Dissenting Shares
and not U.S. Bancorp Common Stock for them. If a holder of Peninsula common
stock fails to satisfy any of items (i) through (iii) above or having satisfied
them, with the consent of U.S. Bancorp, waives such rights, such holder will not
be eligible for dissenters' rights and each such share will be deemed to have
been converted into shares of U.S. Bancorp Common Stock, without any interest
thereon.

                                 LEGAL MATTERS

    The validity of the U.S. Bancorp Common Stock to be issued in connection
with the Merger will be passed upon by Dorsey & Whitney LLP.

                                    EXPERTS

    The consolidated financial statements of U.S. Bancorp appearing in U.S.
Bancorp's Annual Report (Form 10-K) for the year ended December 31, 1998, have
been audited by Ernst & Young LLP, independent auditors, as set forth in their
report thereon included therein and incorporated herein by reference. Such
consolidated financial statements are incorporated herein by reference in
reliance upon such report given on the authority of such firm as experts in
accounting and auditing.

    The financial statements of Peninsula Bank of San Diego included in this
Proxy Statement have been audited by Deloitte & Touche LLP, independent
auditors, as stated in their report appearing herein, and are included in
reliance upon the report of such firm given upon their authority as experts in
accounting and auditing.

                                 OTHER MATTERS

    Peninsula does not know of any other business to be presented at the Special
Meeting and does not currently intend to bring any other matters before the
Special Meeting. However, if any other matters properly come before the Special
Meeting, the persons named in the accompanying proxy are empowered, in the
absence of contrary instructions, to vote according to their best judgment.

             WHERE YOU CAN FIND MORE INFORMATION ABOUT U.S. BANCORP

    U.S. Bancorp has filed with the SEC a registration statement under the
Securities Act that registers the distribution to Peninsula shareholders of the
shares of U.S. Bancorp Common Stock to be issued in connection with the Merger.
The Registration Statement, including the attached exhibits and schedules,
contains additional relevant information about U.S. Bancorp and U.S. Bancorp
Common Stock. The rules and regulations of the SEC allow us to omit some
information included in the Registration Statement from this Proxy Statement.

                                       91
<PAGE>
    In addition, U.S. Bancorp files reports, proxy statements and other
information with the SEC under the Securities Exchange Act of 1934, as amended.
You may read and copy this information at the following locations of the SEC:

<TABLE>
<S>                          <C>                          <C>
   Public Reference Room      New York Regional Office      Chicago Regional Office
  450 Fifth Street, N.W.        7 World Trade Center            Citicorp Center
         Room 1024                   Suite 1300             500 West Madison Street
  Washington, D.C. 20549      New York, New York 10048            Suite 1400
                                                               Chicago, Illinois
                                                                  60661-2511
</TABLE>

    You may also obtain copies of this information by mail from the Public
Reference Section of the SEC, 450 Fifth Street, N.W., Room 1024, Washington,
D.C. 20549, at prescribed rates. You may also obtain information from the SEC by
calling 1-800-SEC-0330.

    The SEC also maintains an Internet world wide web site that contains
reports, proxy statements and other information about issuers, like U.S.
Bancorp, who file electronically with the SEC. The address of that site is
http://www.sec.gov.

    You can also inspect reports, proxy statements and other information about
U.S. Bancorp at the offices of the NYSE, 20 Broad Street, New York, New York
10005.

    The SEC allows U.S. Bancorp to "incorporate by reference" information into
this Proxy Statement. This means that U.S. Bancorp can disclose important
information to you by referring you to another document filed separately with
the SEC. The information incorporated by reference is considered to be a part of
this Proxy Statement, except for any information that is superseded by
information that is included directly in this document.

    This Proxy Statement incorporates by reference the documents listed below
that U.S. Bancorp has previously filed with the SEC. These documents contain
important information about U.S. Bancorp and its financial condition.

<TABLE>
<CAPTION>
U.S. BANCORP SEC FILINGS                              PERIOD
- ------------------------               -------------------------------------
<S>                                    <C>
Annual Report on Form 10-K...........  Year Ended December 31, 1998, as
                                       filed February 26, 1999
Quarterly Reports on Form 10-Q.......  Quarter Ended March 31, 1999, as
                                       filed May 13, 1999
                                       Quarter Ended June 30, 1999, as filed
                                         August 12, 1999
Current Report on Form 8-K...........  Filed January 20, 1999
</TABLE>

    U.S. Bancorp incorporates by reference additional documents that it may file
with the SEC between the date of this Proxy Statement and the date of the
Special Meeting. These documents include periodic reports, such as Annual
Reports on Form 10-K, Quarterly Reports on Form 10-Q and Current Report on
Form 8-K, as well as proxy statements. Any of these additional documents may
contain information that supersedes information contained in this Proxy
Statement or a previously filed document that is incorporated by reference into
this Proxy Statement.

    Documents incorporated by reference are available from U.S. Bancorp without
charge, excluding any exhibits to those documents unless the exhibit is
specifically incorporated by reference as an exhibit

                                       92
<PAGE>
in this Proxy Statement. You can obtain documents incorporated by reference in
this Proxy Statement by requesting them in writing or by telephone from U.S.
Bancorp at the following address:

                                  U.S. BANCORP
                               Investor Relations
                                  U.S. Bancorp
                                U.S. Bank Place
                            601 Second Avenue South
                       Minneapolis, Minnesota 55402-4302
                            Telephone (612) 973-1111

    U.S. BANCORP HAS SUPPLIED ALL INFORMATION CONTAINED OR INCORPORATED BY
REFERENCE IN THIS PROXY STATEMENT RELATING TO U.S. BANCORP, AS WELL AS ALL PRO
FORMA FINANCIAL INFORMATION, AND PENINSULA HAS SUPPLIED ALL SUCH INFORMATION
RELATING TO PENINSULA.

    If you would like to request documents, please do so by             , 1999
to receive them before the Special Meeting. If you request any incorporated
documents from U.S. Bancorp, U.S. Bancorp will mail them to you by first class
mail, or another equally prompt means, within one business day after it receives
your request.

    WE HAVE NOT AUTHORIZED ANYONE TO GIVE ANY INFORMATION OR MAKE ANY
REPRESENTATION ABOUT THE MERGER OR OUR COMPANIES THAT IS DIFFERENT FROM, OR IN
ADDITION TO, THAT CONTAINED IN THIS PROXY STATEMENT OR IN ANY OF THE MATERIALS
THAT WE HAVE INCORPORATED INTO THIS DOCUMENT. THEREFORE, IF ANYONE GIVES YOU
INFORMATION OF THIS SORT, YOU SHOULD NOT RELY ON IT. IF YOU ARE IN A
JURISDICTION WHERE OFFERS TO EXCHANGE OR SELL, OR SOLICITATIONS OF OFFERS TO
EXCHANGE OR PURCHASE, THE SECURITIES OFFERED BY THIS DOCUMENT OR THE
SOLICITATION OF PROXIES IS UNLAWFUL, OR IF YOU ARE A PERSON TO WHOM IT IS
UNLAWFUL TO DIRECT THESE TYPES OF ACTIVITIES, THEN THE OFFER PRESENTED IN THIS
PROXY STATEMENT DOES NOT EXTEND TO YOU. THE INFORMATION CONTAINED IN THIS PROXY
STATEMENT SPEAKS ONLY AS OF THE DATE OF THIS PROXY STATEMENT UNLESS THE
INFORMATION SPECIFICALLY INDICATES THAT ANOTHER DATE APPLIES.

                           FORWARD-LOOKING STATEMENTS

    This Proxy Statement (including information included or incorporated by
reference in this Proxy Statement) contains forward-looking statements.
Statements that are not historical or current facts, including statements about
beliefs and expectations, are forward-looking statements. Forward-looking
statements involve inherent risks and uncertainties, and important factors could
cause actual results to differ materially from those anticipated, including the
following:

    - general economic conditions could be less favorable than expected,
      resulting in a deterioration in credit quality or a reduced demand for
      credit or fee-based products and services;

    - changes in the domestic interest rate environment could reduce net
      interest income;

    - the conditions of the securities markets could change, adversely affecting
      the availability and terms of funding necessary to meet U.S. Bancorp's
      liquidity needs;

    - changes in the extensive laws, regulations and policies governing
      financial services companies, particularly the adoption of proposed bank
      regulatory reform, could alter U.S. Bancorp's business environment or
      affect its operations;

    - the potential need to adapt to industry changes in information technology
      systems, on which U.S. Bancorp is highly dependent, could present
      operational issues or require significant capital spending;

                                       93
<PAGE>
    - competitive pressures could intensify and affect U.S. Bancorp's
      profitability, including as a result of continued industry consolidation,
      the increased availability of financial services from non-banks,
      technological developments such as the Internet, or bank regulatory
      reform;

    - acquisitions may not produce revenue enhancements or cost savings at
      levels or within time frames originally anticipated, or may result in
      unforeseen integration difficulties; and

    - third parties with which U.S. Bancorp does business may fail to remedy
      their Year 2000 issues and other unforeseen Year 2000 complications may
      arise, affecting U.S. Bancorp's operations.

    Forward-looking statements speak only as of the date they are made, and U.S.
Bancorp undertakes no obligation to update them in light of new information or
future events.

See "WHERE YOU CAN FIND MORE INFORMATION ABOUT U.S. BANCORP."

                                       94
<PAGE>
                             INDEX OF DEFINED TERMS

<TABLE>
<S>                                                           <C>
Agent.......................................................       89
Agreement...................................................       13
Average Closing Price.......................................       16
Bank Merger Act.............................................       33
BHCA........................................................       33
Cash EPS....................................................       24
CBL.........................................................       73
CGCL........................................................   37, 73
Code........................................................       28
Corporate Partners..........................................       77
CRA.........................................................       34
Depositary Shares...........................................       77
DFI.........................................................       33
DGCL........................................................       73
Dissenting Shares...........................................       91
DOJ.........................................................       34
Effective Date..............................................       26
Effective Time..............................................       26
EPS.........................................................       24
Exchange Agent..............................................       26
Exchange Ratio..............................................       16
FDIC........................................................       34
FFIEC.......................................................       61
Florida Stock Purchase Agreement............................       77
FRB.........................................................       33
GAAP........................................................       28
Injunction..................................................       31
Interested Stockholder......................................       83
IRS.........................................................       40
LTM.........................................................       23
Merger......................................................       13
OCC.........................................................       33
Offshore....................................................       77
Partnerships................................................       77
OREO........................................................       69
Peninsula Articles..........................................       73
Peninsula Board.............................................       13
Peninsula Bylaws............................................       73
Peninsula common stock......................................    1, 13
Previous Employment Agreements..............................       37
Proxy Statement.............................................       13
PSPR........................................................       77
Purchasers..................................................       77
Record Date.................................................       13
Reference Package...........................................       74
Registration Statement......................................       31
Reported EPS................................................       24
Risk Event Warrant..........................................       77
</TABLE>

                                       95
<PAGE>
<TABLE>
<S>                                                           <C>
RSA.........................................................       71
RSL.........................................................       71
SEC.........................................................       30
Securities Act..............................................    1, 22
SERP Agreements.............................................       39
Special Meeting.............................................       13
State Board.................................................       77
Stock Purchase Agreement....................................       77
Superior Proposal...........................................       31
Surviving Corporation.......................................       16
Term Date...................................................       74
Term Participating Preferred Stock..........................       73
Termination Fee.............................................       35
Termination Shortfall Amount................................       78
U.S. Bancorp Board..........................................       73
U.S. Bancorp Bylaws.........................................       73
U.S. Bancorp Certificate....................................       73
U.S. Bancorp Common Stock...................................       16
U.S. Bancorp Stockholders...................................       73
U.S. Bank...................................................       13
Value Shortfall.............................................       78
Voting Agreements...........................................       15
</TABLE>

                                       96
<PAGE>
                PENINSULA BANK OF SAN DIEGO FINANCIAL STATEMENTS

              FOR THE YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996
                        AND INDEPENDENT AUDITORS' REPORT

TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                PAGE
                                                              --------
<S>                                                           <C>
INDEPENDENT AUDITORS' REPORT................................       F-2

FINANCIAL STATEMENTS FOR THE YEARS ENDED DECEMBER 31, 1998,
  1997 AND 1996:

  Balance Sheets............................................       F-3

  Statements of Income and Comprehensive Income.............       F-4

  Statements of Shareholders' Equity........................       F-5

  Statements of Cash Flows..................................       F-6

  Notes to Financial Statements.............................       F-7

UNAUDITED CONDENSED FINANCIAL STATEMENTS FOR THE NINE MONTHS
  ENDED SEPTEMEBER 30, 1999 AND FOR THE YEAR ENDED
  DECEMBER 31, 1998

  Balance Sheets............................................      F-21

  Statements of Income......................................      F-22

  Statement of Shareholders' Equity.........................      F-23

  Consolidated Statements of Cash Flows.....................      F-24

  Notes to Peninsula's Unaudited Condensed Financial
    Statements..............................................      F-25
</TABLE>

                                      F-1
<PAGE>
                          INDEPENDENT AUDITORS' REPORT

To the Board of Directors of
  Peninsula Bank of San Diego:

    We have audited the accompanying balance sheets of Peninsula Bank of San
Diego (the "Bank") as of December 31, 1998 and 1997, and the related statements
of income and comprehensive income, shareholders' equity, and cash flows for
each of the three years in the period ended December 31, 1998. These financial
statements are the responsibility of the Bank's management. Our responsibility
is to express an opinion on these financial statements based on our audits.

    We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

    In our opinion, such financial statements present fairly, in all material
respects, the financial position of Peninsula Bank of San Diego as of
December 31, 1998 and 1997, and the results of its operations and its cash flows
for each of the three years in the period ended December 31, 1998, in conformity
with generally accepted accounting principles.

[/S/ DELOITTE - TOUCHE LLP]

San Diego, California
January 29, 1999

                                      F-2
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                                 BALANCE SHEETS

                           DECEMBER 31, 1998 AND 1997

<TABLE>
<CAPTION>
                                                                  1998           1997
                                                              ------------   ------------
<S>                                                           <C>            <C>
                                         ASSETS

Cash and due from banks.....................................  $ 19,763,549   $ 33,614,388
Federal funds sold..........................................    19,800,000      6,000,000
                                                              ------------   ------------
      Total cash and cash equivalents.......................    39,563,549     39,614,388
Held to maturity investment securities, at cost (fair value
  of $82,072,058 and $86,733,818, respectively).............    81,303,064     86,049,771
Available for sale investment securities, at fair value
  (amortized cost of $39,748,481 and $37,871,622,
  respectively).............................................    39,932,460     37,958,906
Non-debt investment securities (FHLB and FNMA, at cost).....     1,253,754      1,031,954
                                                              ------------   ------------
      Investment securities--net............................   122,489,278    125,040,631
Loans--net..................................................   270,024,008    232,198,194
Premises and equipment--net.................................    11,975,652     12,059,010
Cash surrender value of life insurance......................     6,105,578      3,950,924
Accrued interest receivable.................................     2,765,264      2,932,578
Deferred tax asset..........................................     1,516,326      1,075,159
Other assets................................................     1,150,021      1,373,815
                                                              ------------   ------------
TOTAL.......................................................  $455,589,676   $418,244,699
                                                              ============   ============

                          LIABILITIES AND SHAREHOLDERS' EQUITY

LIABILITIES:
  Deposits:
    Interest bearing........................................  $275,637,568   $267,574,854
    Non-interest bearing....................................   146,692,220    121,657,119
                                                              ------------   ------------
      Total deposits........................................   422,329,788    389,231,973
  Other liabilities.........................................     4,100,253      3,656,732
                                                              ------------   ------------
      Total liabilities.....................................   426,430,041    392,888,705
                                                              ------------   ------------
COMMITMENTS AND CONTINGENCIES (Note 8 and 9)
SHAREHOLDERS' EQUITY:
  Common stock, no par value; 10,000,000 shares authorized,
    2,486,855 shares outstanding (1998) and 2,368,654 (1997)
    outstanding.............................................     2,072,380      1,973,879
  Additional paid-in capital................................    22,101,462     17,043,444
  Retained earnings.........................................     4,878,319      6,407,068
                                                              ------------   ------------
                                                                29,052,161     25,424,391
  Accumulated other comprehensive income, net of tax........       107,474        (68,397)
                                                              ------------   ------------
      Total shareholders' equity............................    29,159,635     25,355,994
                                                              ------------   ------------
TOTAL.......................................................  $455,589,676   $418,244,699
                                                              ============   ============
</TABLE>

                       See notes to financial statements.

                                      F-3
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                 STATEMENTS OF INCOME AND COMPREHENSIVE INCOME

                  YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

<TABLE>
<CAPTION>
                                                           1998          1997          1996
                                                        -----------   -----------   -----------
<S>                                                     <C>           <C>           <C>
INTEREST INCOME:
  Loans, including fees...............................  $22,586,521   $20,652,233   $19,240,940
  Investment securities:
    U.S. Government agencies..........................    3,361,503     2,187,440     1,409,039
    U.S. Treasury securities..........................    3,103,376     3,290,018     2,577,120
    Municipal bonds...................................      460,995       533,931       634,956
    Federal funds sold, other.........................    1,096,226       571,615       344,270
                                                        -----------   -----------   -----------
      Total interest income...........................   30,608,621    27,235,237    24,206,325

INTEREST EXPENSE ON DEPOSITS..........................    9,194,487     8,600,373     7,765,597
                                                        -----------   -----------   -----------
NET INTEREST INCOME...................................   21,414,134    18,634,864    16,440,728
PROVISION FOR CREDIT LOSSES...........................      444,184       498,139       566,304
                                                        -----------   -----------   -----------
NET INTEREST INCOME AFTER PROVISION FOR CREDIT
  LOSSES..............................................   20,969,950    18,136,725    15,874,424
                                                        -----------   -----------   -----------
SERVICE CHARGES AND OTHER INCOME......................    4,912,348     4,093,914     3,690,157
GAIN ON SALE OF INVESTMENT SECURITIES.................       24,172        59,871

NON-INTEREST EXPENSE:
  Salaries and benefits...............................   10,790,090     9,629,824     8,555,524
  Occupancy, furniture and equipment..................    2,675,208     2,556,846     2,222,955
  Customer service costs..............................    1,272,381       955,009       893,738
  Telephone, stationery and supplies..................      738,704       684,504       629,437
  Data processing.....................................      714,400       705,199       634,059
  Advertising and business development................      646,686       689,709       558,870
  Merger expense......................................      402,158
  Other professional services.........................      367,095       406,631       325,988
  Operating losses....................................       44,322       378,878        29,597
  Other...............................................    1,049,127       975,245       783,837
                                                        -----------   -----------   -----------
      Total non-interest expense......................   18,700,171    16,981,845    14,634,005
                                                        -----------   -----------   -----------
INCOME BEFORE PROVISION FOR INCOME TAXES..............    7,206,299     5,308,665     4,930,576
PROVISION FOR INCOME TAXES............................    2,704,603     1,707,914     1,876,825
                                                        -----------   -----------   -----------
NET INCOME............................................  $ 4,501,696   $ 3,600,751   $ 3,053,751
                                                        ===========   ===========   ===========
INCOME PER SHARE--BASIC AND DILUTED...................  $      1.81   $      1.45   $      1.23
                                                        ===========   ===========   ===========
COMPREHENSIVE INCOME, NET OF TAX:
  Net income..........................................  $ 4,501,696   $ 3,600,751   $ 3,053,751
  Unrealized holding gains arising during period......      189,995        76,053         4,766
  Less: reclassification adjustment for gains included
    in income.........................................      (14,124)      (31,624)
                                                        -----------   -----------   -----------
  Other comprehensive income..........................      175,871        44,429         4,766
                                                        -----------   -----------   -----------
COMPREHENSIVE INCOME..................................  $ 4,677,567   $ 3,645,180   $ 3,058,517
                                                        ===========   ===========   ===========
</TABLE>

                       See notes to financial statements.

                                      F-4
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                       STATEMENTS OF SHAREHOLDERS' EQUITY

                  YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

<TABLE>
<CAPTION>
                                                                                     ACCUMULATED
                                                                                        OTHER
                                    COMMON STOCK        ADDITIONAL                  COMPREHENSIVE
                               ----------------------     PAID-IN      RETAINED        INCOME
                                SHARES     PAR VALUE      CAPITAL      EARNINGS        (LOSS)          TOTAL
                               ---------   ----------   -----------   -----------   -------------   -----------
<S>                            <C>         <C>          <C>           <C>           <C>             <C>
BALANCE AT
  JANUARY 1, 1996............  2,149,284   $1,791,069   $12,766,620   $ 5,557,839     $ (117,592)   $19,997,936
  5% stock dividend..........    107,008       89,173     2,010,859    (2,100,032)
  Cash dividends ($.26 per
    share)...................                                            (642,392)                     (642,392)
  Net income.................                                           3,053,751                     3,053,751
  Other comprehensive income,
    net of tax...............                                                              4,766          4,766
                               ---------   ----------   -----------   -----------     ----------    -----------
BALANCE AT DECEMBER 31,
  1996.......................  2,256,292    1,880,242    14,777,479     5,869,166       (112,826)    22,414,061
  5% stock dividend..........    112,362       93,637     2,265,965    (2,359,602)
  Cash dividends ($.26 per
    share)...................                                            (703,247)                     (703,247)
  Net income.................                                           3,600,751                     3,600,751
  Other comprehensive income,
    net of tax...............                                                             44,429         44,429
                               ---------   ----------   -----------   -----------     ----------    -----------
BALANCE AT DECEMBER 31,
  1997.......................  2,368,654    1,973,879    17,043,444     6,407,068        (68,397)    25,355,994
  5% stock dividend..........    118,201       98,501     5,058,018    (5,156,519)
  Cash dividends ($.35 per
    share)...................                                            (873,926)                     (873,926)
  Net income.................                                           4,501,696                     4,501,696
  Other comprehensive income,
    net of tax...............                                                            175,871        175,871
                               ---------   ----------   -----------   -----------     ----------    -----------
BALANCE AT DECEMBER 31,
  1998.......................  2,486,855   $2,072,380   $22,101,462   $ 4,878,319     $  107,474    $29,159,635
                               =========   ==========   ===========   ===========     ==========    ===========
</TABLE>

                       See notes to financial statements.

                                      F-5
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                            STATEMENTS OF CASH FLOWS

                  YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

<TABLE>
<CAPTION>
                                                                  1998           1997           1996
                                                              ------------   ------------   ------------
<S>                                                           <C>            <C>            <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
  Net income................................................  $  4,501,696   $  3,600,751   $  3,053,751
  Adjustments to reconcile net income to net cash provided
    by operating activities:
    Depreciation and amortization...........................     1,293,890      1,190,205      1,005,672
    Amortization of deferred loan fees......................    (1,560,293)    (1,238,351)    (1,115,203)
    Net amortization of premium on investment securities....      (341,812)       159,050        413,232
    Provision for credit losses.............................       444,184        498,139        566,304
    Gain on sale of investment securities...................       (24,172)       (59,871)
    Deferred loan fees on new loans.........................     1,740,524      1,247,526      1,199,316
    Changes in other assets and liabilities:
      Accrued interest receivable...........................       167,314       (314,809)      (138,136)
      Cash surrender value of life insurance................    (2,154,654)      (366,159)      (355,114)
      Deferred taxes........................................      (441,167)      (505,923)       (44,525)
      Other assets..........................................       223,794        387,416        437,495
      Other liabilities.....................................       443,521        960,180        790,245
                                                              ------------   ------------   ------------
        Net cash provided by operating activities...........     4,292,825      5,558,154      5,813,037
                                                              ------------   ------------   ------------
CASH FLOWS FROM INVESTING ACTIVITIES:
  Proceeds from maturities on available for sale investment
    securities..............................................    31,000,000     22,054,871     23,500,000
  Proceeds from maturities/principal paydowns on held to
    maturity investment securities..........................    33,799,525      8,243,321      7,988,868
  Purchase of held to maturity investment securities........   (28,951,780)   (50,354,861)    (8,208,953)
  Purchase of available for sale securities.................   (32,532,737)   (27,952,822)   (23,912,254)
  Purchases of non-debt securities..........................      (221,800)       (74,100)       (46,300)
  Proceeds from sales of available for sale investment
    securities..............................................                    8,000,000
  Purchases of premises and equipment.......................    (1,210,532)    (1,877,945)    (1,361,194)
  Net additions to loans....................................   (41,162,257)   (22,550,951)   (22,422,479)
  Proceeds from loans sold..................................     2,712,028        265,470        300,918
                                                              ------------   ------------   ------------
        Net cash used for investing activities..............   (36,567,553)   (64,247,017)   (24,161,394)
                                                              ------------   ------------   ------------
CASH FLOWS FROM FINANCING ACTIVITIES:
  Net increase in deposit accounts..........................    33,097,815     70,522,950     21,739,459
  Cash dividends............................................      (873,926)      (703,247)      (642,392)
                                                              ------------   ------------   ------------
        Net cash provided by financing activities...........    32,223,889     69,819,703     21,097,067
                                                              ------------   ------------   ------------
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS........       (50,839)    11,130,840      2,748,710
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR..............    39,614,388     28,483,548     25,734,838
                                                              ------------   ------------   ------------
CASH AND CASH EQUIVALENTS AT END OF YEAR....................  $ 39,563,549   $ 39,614,388   $ 28,483,548
                                                              ============   ============   ============
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
  Cash paid during the year for income taxes................  $  3,303,401   $  2,163,000   $  2,049,151
                                                              ============   ============   ============
  Cash paid during the year for interest....................  $  9,115,647   $  8,546,971   $  7,786,024
                                                              ============   ============   ============
</TABLE>

                       See notes to financial statements.

                                      F-6
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                         NOTES TO FINANCIAL STATEMENTS

                  YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

    The accounting and reporting policies of Peninsula Bank of San Diego (the
"Bank") conform to generally accepted accounting principles and the prevailing
practices within the banking industry. The following is a description of the
more significant accounting policies:

    CASH AND CASH EQUIVALENTS--The Bank's policy is to treat all investments
with an original maturity date of less than 90 days as cash equivalents.

    INVESTMENT SECURITIES--Debt securities that the Bank has the positive intent
and ability to hold to maturity are classified as held to maturity and reported
at amortized cost; all other debt securities are reported available for sale and
recorded at fair value, with the related unrealized gains and losses excluded
from earnings and reported net of tax as a separate component of other
comprehensive income until realized. The specific identification method is used
to compute gains or losses on the sale of these assets. Interest earned on these
assets is included in interest income.

    PREMISES AND EQUIPMENT--Premises and equipment are carried at cost less
accumulated depreciation. Depreciation expense is computed using the
straight-line method over the estimated useful lives which range from 3 to
40 years, of the related assets.

    LOANS--Loans are stated at the principal amount of outstanding loans, net of
undisbursed amounts, participations sold, deferred loan fees and an allowance
for credit losses. Loan origination fees, certain direct costs and deferred loan
fees are deferred and recognized as an element of interest income over the life
of the related loans. Participants are sold without recourse.

    ALLOWANCE FOR LOAN AND LEASE LOSSES--The allowance for loan and lease losses
is maintained at a level believed by management to be adequate to meet inherent
loan and lease losses on the basis of many factors including the risk
characteristics of the portfolio, underlying collateral, current economic
conditions that may affect the borrower's ability to pay, specific problem loans
and trends in loan delinquencies and charge-offs. The allowance is increased by
provisions charged to income and reduced by loan and lease charge-offs, net of
recoveries. Loans and leases, including impaired loans, are charged off in whole
or in part when, in management's opinion, collectibility is not probable.

    While management uses available information to establish the allowance for
loan and lease losses, future additions to the allowance may be necessary if
economic developments differ substantially from the assumptions used in making
the evaluation. In addition, various regulatory agencies, as an integral part of
their examination process, periodically review the Banks' allowances for loan
and lease losses. Such agencies may require the Bank to recognize additions to
the allowance based on judgments different from those of management.

    The Bank's policy concerning non-performing loans is to cease accruing
interest, and to charge off all accrued and unpaid interest on loans which are
past due as to principal and/or interest for at least 90 days, or at such
earlier time as management determines timely collection of the interest to be in
doubt.

    However, in certain circumstances loans which are past due 90 days or more
may continue accruing interest or interest may not be charged off when the
related loans are well secured and in the process of being collected. When the
Bank receives cash on nonaccrual loans or leases, the Bank's policy is to record
such receipts first as a reduction to the principal and then as interest income.
A

                                      F-7
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)

                  YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

non-performing loan may be returned to accrual status if the loan or lease
performs for a period of at least six months.

    Impaired loans are commercial, commercial real estate, and individually
significant mortgage and consumer loans for which it is probable that the Bank
will not be able to collect all amounts due according to contractual terms of
the loan agreement. The category of "impaired loans" is not coextensive with the
category of "nonaccrual loans," although the two categories overlap. Nonaccrual
loans include impaired loans and are those on which the accrual of interest is
discontinued when collectibility of principal or interest is uncertain or
payments of principal or interest have become contractually past due 90 days.
The Bank may choose to place a loan on nonaccrual status due to payment
delinquency or uncertain collectibility while not classifying the loan as
impaired if it is probable that the Bank will collect all amounts due in
accordance with the contractual terms of the loan. Factors considered by
management in determining impairment include payment status and collateral
value. The amount of impairment for these types of impaired loans is determined
by the difference between the present value of the expected cash flows related
to the loan, using the original contractual interest rate, and its recorded
value, or, as a practical expedient in the case of collateralized loans, the
difference between the fair value of the collateral and the recorded amount of
the loan. When foreclosure is probable, impairment is measured based on the fair
value of the collateral. Mortgage and consumer loans which are not individual
significant are measured for impairment collectively. Loans that experience
insignificant payment delays and insignificant shortfalls in payment amounts
generally are not classified as impaired. Management determines the significance
of payment delays and payment shortfalls on a case-by-case basis, taking into
consideration all of the circumstances surrounding the loan and the borrower,
including the length of the delay, the reasons for the delay, the borrower's
prior payment record, and the amount of the shortfall in relation to the
principal and interest owed.

    REAL ESTATE ACQUIRED THROUGH FORECLOSURE--The Bank records real estate
acquired through foreclosure at the lesser of the outstanding loan amount or
fair value, less estimated costs to sell, at the time of foreclosure. Any
resulting loss on foreclosure is charged to the valuation allowance for loan
losses and a new basis is established for the property. Declines in value
subsequent to acquisition, if any, below the new basis are charged to operations
in the period in which the decline occurred. Required developmental costs
associated with foreclosed property under construction are capitalized and
considered in determining the fair value of the property. Operating expenses of
such properties, net of related income, and gains and losses on the disposition
of the properties are included in other noninterest expenses.

    INCOME TAXES--Deferred income taxes are provided by applying statutory tax
rates in effect at the balance sheet date to temporary differences between the
book bases and the tax bases of assets and liabilities. The resulting deferred
tax assets and liabilities are adjusted to reflect changes in tax laws or rates.

    BASIC EARNINGS PER SHARE--Basic earnings per share is based on the weighted
average number of common shares outstanding adjusted retroactively for stock
dividends and a two-for-one stock split which occurred in March 1998. The number
of shares used in the computation of basic earnings per share was 2,486,855 for
1998, 1997 and 1996. There were no potentially dilutive securities at
December 31, 1998, 1997 and 1996.

                                      F-8
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)

                  YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

    NEW ACCOUNTING PRONOUNCEMENTS--In June 1997, the Financial Accounting
Standards Board issued SFAS No. 130, "Reporting Comprehensive Income". This
standard is effective for the Bank's year ending December 31, 1998. SFAS
No. 130 requires that all components of comprehensive income, including net
income, be reported net of their related tax effect in the financial statements
in the period in which they are recognized. Other comprehensive income includes
unrealized gains and losses on available for sale investments.

    ESTIMATES--The preparation of financial statements in conformity with
generally accepted accounting principles requires management to make estimates
and assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements and the reported amounts of revenues and expenses during the
reporting period. Actual results could differ from those estimates.

    RECLASSIFICATIONS--Certain reclassifications to prior year balances have
been made in order to conform to the current year presentation.

2. INVESTMENT SECURITIES

    The amortized cost and estimated market value of investment securities at
December 31, 1998 are as follows:

<TABLE>
<CAPTION>
                                               GROSS        GROSS       ESTIMATED
                               AMORTIZED     UNREALIZED   UNREALIZED      MARKET
HELD TO MATURITY                  COST         GAINS        LOSSES        VALUE
- ----------------              ------------   ----------   ----------   ------------
<S>                           <C>            <C>          <C>          <C>
U.S. Government agencies....  $ 33,979,606   $  139,266    $(76,209)   $ 34,042,663
U.S. Treasury securities....    22,080,690      436,411                  22,517,101
Municipal bonds.............     8,911,732      155,954                   9,067,686
Collateralized mortgage
  obligations...............    10,296,805       51,690      (6,502)     10,341,993
Mortgage-backed
  securities................     6,034,231       68,384                   6,102,615
                              ------------   ----------    --------    ------------
Total held to maturity......    81,303,064      851,705     (82,711)     82,072,058
                              ------------   ----------    --------    ------------
</TABLE>

<TABLE>
<CAPTION>
AVAILABLE FOR SALE
- ------------------
<S>                           <C>            <C>          <C>        <C>
U.S. Government agencies....    22,896,921       28,723    (7,500)     22,918,144
U.S. Treasury securities....    16,851,560      162,756                17,014,316
                              ------------   ----------   --------   ------------
Total available for sale....    39,748,481      191,479    (7,500)     39,932,460
                              ------------   ----------   --------   ------------
Non-debt securities.........     1,253,754                              1,253,754
                              ------------   ----------   --------   ------------
Total investment
  securities................  $122,305,299   $1,043,184   $(90,211)  $123,258,272
                              ============   ==========   ========   ============
</TABLE>

                                      F-9
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)

                  YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

2. INVESTMENT SECURITIES (CONTINUED)

    The amortized cost and estimated market value of investment securities at
December 31, 1997 are as follows:

<TABLE>
<CAPTION>
                                               GROSS        GROSS       ESTIMATED
                               AMORTIZED     UNREALIZED   UNREALIZED      MARKET
HELD TO MATURITY                  COST         GAINS        LOSSES        VALUE
- ----------------              ------------   ----------   ----------   ------------
<S>                           <C>            <C>          <C>          <C>
Municipal bonds.............  $ 10,961,103   $ 109,950    $  (3,993)   $ 11,067,060
U.S. government agencies....    23,213,492     353,409      (40,156)     23,526,745
Collateralized mortgage
obligations.................    13,787,530      37,679      (31,789)     13,793,420
Mortgage-backed
  securities................     8,980,091      22,686         (611)      9,002,166
U.S. Treasury securities....    29,107,555     242,935       (6,063)     29,344,427
                              ------------   ---------    ---------    ------------
Total held to maturity......    86,049,771     766,659      (82,612)     86,733,818
                              ------------   ---------    ---------    ------------
</TABLE>

<TABLE>
<CAPTION>
AVAILABLE FOR SALE
- ------------------
<S>                           <C>            <C>         <C>         <C>
U.S. Treasury securities....    28,006,466      95,541      (1,168)    28,100,839
U.S. government agencies....     9,865,156                  (7,089)     9,858,067
                              ------------   ---------   ---------   ------------
Total available for sale....    37,871,622      95,541      (8,257)    37,958,906
                              ------------   ---------   ---------   ------------
Non-debt securities.........     1,031,954                              1,031,954
                              ------------   ---------   ---------   ------------
Total investment
  securities................  $124,953,347   $ 862,200   $ (90,869)  $125,724,678
                              ============   =========   =========   ============
</TABLE>

    The amortized cost and estimated market value of debt securities at
December 31, 1998, by contractual maturity, are shown below. Expected maturities
will differ from contractual maturities because borrowers may have the right to
call or prepay obligations with or without call or prepayment penalties.

<TABLE>
<CAPTION>
                                                HELD TO MATURITY           AVAILABLE FOR SALE
                                            -------------------------   -------------------------
                                                           ESTIMATED                   ESTIMATED
                                             AMORTIZED      MARKET       AMORTIZED      MARKET
                                               COST          VALUE         COST          VALUE
                                            -----------   -----------   -----------   -----------
<S>                                         <C>           <C>           <C>           <C>
Due in one year or less...................  $16,023,162   $16,092,684   $27,717,915   $27,827,873
Due after one year through five years.....   48,948,866    49,534,766    12,030,566    12,104,587
                                            -----------   -----------   -----------   -----------

        Total.............................   64,972,028    65,627,450    39,748,481    39,932,460

Collateralized mortgage obligations.......   10,296,805    10,341,993
Mortgage-backed securities................    6,034,231     6,102,615
                                            -----------   -----------   -----------   -----------

        Total debt securities.............  $81,303,064   $82,072,058   $39,748,481   $39,932,460
                                            ===========   ===========   ===========   ===========
</TABLE>

    During 1998, the Bank sold investment securities for a realized gain of
$24,172. There was a $59,871 realized gain in 1997,and there were no gains or
losses on sales of investments during 1996.

                                      F-10
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)

                  YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

2. INVESTMENT SECURITIES (CONTINUED)

    Except for the U.S. Treasury and certain U.S. government agency securities,
the Bank does not own any investment securities of any one issuer of which
aggregate adjusted cost exceeds 10% of shareholders' equity at December 31,
1998. Investment securities with an amortized cost of $4,022,502 and an
estimated market value of $4,075,000 at December 31, 1998, were pledged to
secure public deposits and securities sold under repurchase agreements and for
other purposes required or permitted by law.

    Income from mortgage-backed securities is included in interest from U.S.
government agencies in the statements of income.

3. LOANS

    The loan portfolio consists of loans held to maturity made principally to
borrowers located in the County of San Diego, California and is summarized as
follows:

<TABLE>
<CAPTION>
                                                       1998           1997
                                                   ------------   ------------
<S>                                                <C>            <C>
Real estate......................................  $189,779,818   $166,328,105
Commercial.......................................    65,479,227     49,404,649
Consumer.........................................    29,155,719     29,123,882
Construction.....................................    20,385,730     18,866,406
                                                   ------------   ------------
      Total......................................   304,800,494    263,723,042
Less:
  Undisbursed amounts............................   (14,518,612)   (11,475,829)
  Loan participations sold.......................   (16,505,870)   (16,842,898)
  Unamortized deferred loan fees.................    (1,013,254)      (848,578)
  Allowance for credit losses....................    (2,738,750)    (2,357,543)
                                                   ------------   ------------
Loans--net.......................................  $270,024,008   $232,198,194
                                                   ============   ============
</TABLE>

                                      F-11
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)

                  YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

3. LOANS (CONTINUED)

    A summary of changes in the Bank's allowance for credit losses follows:

<TABLE>
<CAPTION>
                                              1998         1997         1996
                                           ----------   ----------   ----------
<S>                                        <C>          <C>          <C>
Balance at beginning of year.............  $2,357,543   $2,150,420   $1,853,146
Loans charged off:
  Real estate............................      20,550      335,692        5,000
  Commercial.............................      45,185       80,141      239,724
  Construction...........................
  Consumer...............................      77,944       95,774      132,758
                                           ----------   ----------   ----------
    Total loans charged off..............     143,679      511,607      377,482
Recoveries on loans charged off:
  Real estate............................                   17,500
  Commercial.............................      40,272      149,479       81,663
  Construction...........................
  Consumer...............................      40,430       53,612       26,789
                                           ----------   ----------   ----------
    Total recoveries on loans charged
      off................................      80,702      220,591      108,452
                                           ----------   ----------   ----------
    Net loans charged off................      62,977      291,016      269,030
                                           ----------   ----------   ----------
Provision charged to operating expense...     444,184      498,139      566,304
                                           ----------   ----------   ----------
Balance at end of year...................  $2,738,750   $2,357,543   $2,150,420
                                           ==========   ==========   ==========
</TABLE>

    At December 31, 1998 and 1997 the bank had approximately $190,382 and
$27,834, respectively, of loans that were ninety days or more past due on which
interest was still being accrued. There was one real estate loan at
December 31, 1998 totaling $101,552 and no loans at December 31, 1997 on which
interest was not being accrued. There were no loans included in the loan
portfolio at December 31, 1998 or 1997 which are considered troubled-debt
restructurings.

    Impaired loans, as defined by SFAS No. 114, totaled $101,552 and $211,596 at
December 31, 1998 and 1997, respectively. These loans have allowances for
possible losses of $15,233 and $62,048 at December 31, 1998 and 1997,
respectively. The Bank's average investment in impaired loans was $311,403,
$231,710 and $971,454 during the years ended December 31, 1998, 1997 and 1996
respectively. Interest income recognized on impaired loans was approximately
$16,852, $24,060 and $61,740 during the years ended December 31, 1998, 1997 and
1996, respectively.

    At December 31, 1998 and 1997 impaired loans and the specific loan loss
allowance were as follows:

<TABLE>
<CAPTION>
                                                           ALLOWANCE FOR
                                               RECORDED      LOAN AND         NET
                                              INVESTMENT   LEASE LOSSES    INVESTMENT
                                              ----------   -------------   ----------
<S>                                           <C>          <C>             <C>
1998 with specific allowances...............   $101,552       $15,233       $ 86,319
                                               ========       =======       ========
1997 with specific allowances...............   $211,596       $62,048       $149,548
                                               ========       =======       ========
</TABLE>

                                      F-12
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)

                  YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

3. LOANS (CONTINUED)

    In the normal course of business, the Bank has made loans to certain
directors, officers and their affiliates under terms consistent with the Bank's
normal lending policies.

    An analysis of activity with respect to these related party loans is as
follows:

<TABLE>
<CAPTION>
                                                               YEAR ENDED
                                                              DECEMBER 31,
                                                                  1998
                                                              ------------
<S>                                                           <C>
Beginning balance...........................................  $ 7,502,000
New loans...................................................    1,791,000
Repayments/reductions.......................................   (1,249,000)
                                                              -----------
Ending balance..............................................  $ 8,044,000
                                                              ===========
</TABLE>

    The Bank has $49,770,615 in loans and $1,253,400 of equity stock in the
Federal Home Loan Bank of San Francisco pledged. There were no borrowings from
the Federal Home Loan Bank of San Francisco as of December 31, 1998 and 1997.

    Included in other assets is $207,420 and $258,700 in real estate acquired in
the settlement of loans at December 31, 1998 and 1997, respectively.

4. PREMISES AND EQUIPMENT

    Premises and equipment at December 31 are summarized as follows:

<TABLE>
<CAPTION>
                                                        1998          1997
                                                     -----------   -----------
<S>                                                  <C>           <C>
Land and improvements..............................  $ 3,932,259   $ 4,213,351
Buildings..........................................    8,307,112     7,727,536
Furniture, fixtures and equipment..................    8,125,388     7,455,934
                                                     -----------   -----------
Total..............................................   20,364,759    19,396,821
Less accumulated depreciation and amortization.....   (8,389,107)   (7,337,811)
                                                     -----------   -----------
Premises and equipment--net........................  $11,975,652   $12,059,010
                                                     ===========   ===========
</TABLE>

                                      F-13
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)

                  YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

5. DEPOSITS

    Deposits at December 31 are as follows:

<TABLE>
<CAPTION>
                                              1998                      1997
                                     -----------------------   -----------------------
                                        AMOUNT       RATE *       AMOUNT       RATE *
                                     ------------   --------   ------------   --------
<S>                                  <C>            <C>        <C>            <C>
Demand.............................  $146,692,220              $121,657,119
Savings............................   161,241,822     2.21%     158,203,277     2.01%
Time:
  Under $100,000...................    54,067,887     5.04%      53,911,764     5.13%
  $100,000 or more.................    48,569,951     5.28%      44,036,352     5.41%
  Individual retirement accounts:
    Under $100,000.................     7,730,106     5.19%       7,603,262     5.47%
    $100,000 or more...............     4,027,802     4.92%       3,820,199     5.98%
                                     ------------              ------------

Total..............................  $422,329,788              $389,231,973
                                     ============              ============
</TABLE>

    *Based on weighted average stated interest rates.

    The maturities of time deposits at December 31, 1998 and 1997 are as
follows:

<TABLE>
<CAPTION>
                                                          DECEMBER 31,
                                                   ---------------------------
                                                       1998           1997
                                                   ------------   ------------
<S>                                                <C>            <C>
Three months or less.............................  $ 57,211,033   $ 58,659,778
Four through six months..........................    25,466,472     20,819,532
Seven through twelve months......................    22,859,469     22,799,298
Thereafter.......................................     8,858,772      7,092,969
                                                   ------------   ------------

Total............................................  $114,395,746   $109,371,577
                                                   ============   ============
</TABLE>

    Interest expense for certificates of deposit in excess of $100,000 was
$2,434,430, $2,243,000 and $1,743,000 for the years ended December 31, 1998,
1997 and 1996, respectively.

                                      F-14
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)

                  YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

6. INCOME TAXES

    The components of the provision for income taxes are as follows:

<TABLE>
<CAPTION>
                                              1998         1997         1996
                                           ----------   ----------   ----------
<S>                                        <C>          <C>          <C>
Current:
  Federal................................  $2,406,413   $1,625,191   $1,403,902
  State..................................     864,555      619,970      591,808
                                           ----------   ----------   ----------

                                            3,270,968    2,245,161    1,995,710
Deferred:
  Federal................................     451,720     (396,537)     (86,677)
  State..................................    (114,645)    (140,710)     (32,208)
                                           ----------   ----------   ----------

                                              566,365     (537,247)    (118,885)
                                           ----------   ----------   ----------
  Total..................................  $2,704,603   $1,707,914   $1,876,825
                                           ==========   ==========   ==========
</TABLE>

    Deferred taxes are provided for the temporary differences which caused them.
Deferred tax assets and liabilities at December 31, 1998 and 1997 are as
follows:

<TABLE>
<CAPTION>
                                                          1998         1997
                                                       ----------   ----------
<S>                                                    <C>          <C>
Deferred tax assets:
  Allowance for credit losses........................  $1,033,146   $  850,451
  Retirement accrual.................................     985,053      711,462
  State taxes........................................     112,737       77,770
  Bonus accrual......................................      75,818
  Mark to market.....................................      62,731
  Unrealized (gain) loss on available for sale
    securities.......................................     (76,506)      48,692
  Other..............................................       4,919        4,919
                                                       ----------   ----------

        Total deferred tax assets....................   2,197,898    1,693,294
                                                       ----------   ----------

Deferred tax liabilities:
  Depreciable assets.................................     589,164      545,896
  Prepaid insurance..................................       3,107       22,239
  Other..............................................      89,301       50,000
                                                       ----------   ----------
        Total deferred tax liabilities...............     681,572      618,135
                                                       ----------   ----------

  Net deferred tax asset.............................  $1,516,326   $1,075,159
                                                       ==========   ==========
</TABLE>

                                      F-15
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)

                  YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

6. INCOME TAXES (CONTINUED)

    The provision for federal income taxes differs from the amount computed by
applying the federal income tax statutory rate on income as follows:

<TABLE>
<CAPTION>
                                              1998         1997         1996
                                           ----------   ----------   ----------
<S>                                        <C>          <C>          <C>
Taxes calculated at statutory rate.......  $2,446,819   $1,804,943   $1,725,702
Increase (decrease) resulting from:
  State income tax, net of federal tax
    benefit..............................     494,941      316,311      369,336
  Tax-exempt interest....................    (142,537)    (162,039)    (185,404)
  Cash surrender value of life
    insurance............................    (105,396)
  Other, net.............................      10,776     (251,301)     (32,809)
                                           ----------   ----------   ----------
  Total..................................  $2,704,603   $1,707,914   $1,876,825
                                           ==========   ==========   ==========
</TABLE>

7. PENSION PLAN

    The Bank has a defined contribution retirement plan covering substantially
all employees. Employees electing to participate in the plan contribute an
amount ranging from 2% to 6% of their compensation which is matched by the Bank.
Contributions are invested in individual accounts designated by the employee and
administered by an insurance company. In addition, the Bank has an executive
retirement plan which is partially unfunded and partially financed through an
insurance program. The costs for both of these plans were approximately
$678,000, $404,000 and $353,000 for the years ended December 31, 1998, 1997 and
1996, respectively.

8. COMMITMENTS AND CONTINGENCIES

    LEASES--The Bank has entered into operating leases for the rental of certain
of its premises. Minimum future rental commitments as of December 31, 1998 are
as follows:

<TABLE>
<CAPTION>
                                               RENT      SUBLEASE
                                             EXPENSE      INCOME        NET
                                            ----------   ---------   ----------
<S>                                         <C>          <C>         <C>
1999......................................  $  524,330   $ (92,090)  $  432,240
2000......................................     436,724     (60,299)     376,425
2001......................................     378,940     (23,055)     355,885
2002......................................     317,750      (7,685)     310,065
2003......................................     301,721                  301,721
Thereafter (through 2021).................   2,289,002                2,289,002
                                            ----------   ---------   ----------
Total.....................................  $4,248,467   $(183,129)  $4,065,338
                                            ==========   =========   ==========
</TABLE>

    Certain leases provide for renewal options and increases in rental amounts
based upon changes in the consumer price index. The Bank is also responsible for
taxes, insurance and maintenance.

    Rent expense under all noncancelable operating lease obligations aggregated
$529,000, $481,000 and $441,000 for the years ended December 31, 1998, 1997 and
1996, respectively. Rents received on noncancelable sublease agreements
aggregated $89,000, $88,000 and $112,000 for these years, respectively.

                                      F-16
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)

                  YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

8. COMMITMENTS AND CONTINGENCIES (CONTINUED)

    On an infrequent basis, Peninsula has purchased overnight federal funds to
facilitate payment for incoming cash letters that are collected through the
Federal Reserve Bank. For the years ended 1998, 1997 and 1996, the average
Federal Funds purchased was $18,000, $136,000 and $309,000, respectively. To
facilitate this requirement, Union Bank of California has extended to Peninsula
an overnight line of credit with a maximum credit limit of $10 million. As
December 31, 1998 and 1997, Peninsula had no outstanding liability under this
agreement. In addition, Peninsula has an agreement with the Federal Home Loan
Bank of San Francisco for extensions of credit to a maximum of $39.3 million
secured by qualifying first lien real estate mortgages. Peninsula has not
exercised this option during the years ended December 31, 1998 and 1997.

9. FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK

    The Bank is a party to financial instruments with off-balance sheet risk in
the normal course of business to meet the financing needs of its customers.
These financial instruments include undisbursed commitments to lend and standby
letters of credit. These instruments involve, to varying degrees, elements of
credit and interest rate risk in excess of the amount recognized in the balance
sheet. The Bank's exposure to credit loss in the event of nonperformance by the
other party to standby letters of credit is represented by the contractual
amount of those instruments. At December 31, 1998, the Bank had obligations
under standby letters of credit of $1,659,568 and $63,245,000 in commitments.

    Standby letters of credit are conditional commitments issued by the Bank to
guarantee the performance of a customer to a third party. Those guarantees are
primarily issued to support public and private borrowing agreements, including
commercial paper, bond financing, and similar transactions. Standby letters of
credit are generally written for a term of one year.

    The Bank uses the same credit policies in making commitments and conditional
commitments as it does for extending loan facilities to customers. The Bank
evaluates each customer's creditworthiness on a case-by-case basis. The
agreements with the customers normally require collateral. Such collateral held
varies but may include cash on deposit, accounts receivable, inventory,
property, plant and equipment, and real estate.

10. REGULATORY MATTERS

    The Bank is subject to various regulatory capital requirements administered
by the federal banking agencies. Failure to meet minimum capital requirements
can initiate certain mandatory--and possibly additional discretionary--actions
by regulators that, if undertaken, could have a direct material effect on the
Bank's financial statements. Under capital adequacy guidelines and the
regulatory framework for prompt corrective action, the Bank must meet specific
capital guidelines that involve quantitative measures of the Bank's assets,
liabilities, and certain off-balance-sheet items as calculated under regulatory
accounting practices. The Bank's capital amounts and classification are also
subject to qualitative judgments by the regulators about components, risk
weightings, and other factors.

    Quantitative measures established by regulation to ensure capital adequacy
require the Bank to maintain minimum amounts and ratios (set forth in the table
below) of total and Tier I capital (as defined in the regulations) to
risk-weighted assets (as defined), and of Tier I capital (as defined) to

                                      F-17
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)

                  YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

10. REGULATORY MATTERS (CONTINUED)

average assets (as defined). Management believes, as of December 31, 1998, that
the Bank meets all capital adequacy requirements to which it is subject.

    As of December 31, 1998 and 1997, the most recent notification from the FDIC
categorized the Bank as well capitalized under the regulatory framework for
prompt corrective action. To be categorized as well capitalized the Bank must
maintain minimum total risk-based, Tier I risk-based, Tier I leverage ratios as
set forth in the table. There are no conditions or events since that
notification that management believes have changed the institution's category.

    The Bank's actual capital amounts and ratios are also presented in the
table.

<TABLE>
<CAPTION>
                                                                                             TO BE CATEGORIZED
                                                                                                  AS WELL
                                                                    FOR CAPITAL              CAPITALIZED UNDER
                                                                      ADEQUACY               PROMPT CORRECTIVE
                                           ACTUAL                     PURPOSES               ACTION PROVISIONS
                                   ----------------------      ----------------------      ----------------------
                                     AMOUNT       RATIO          AMOUNT       RATIO          AMOUNT       RATIO
                                   -----------   --------      -----------   --------      -----------   --------
<S>                                <C>           <C>           <C>           <C>           <C>           <C>
As of December 31, 1998:
  Total Capital (to Risk
    Weighted Assets).............  $31,680,826    11.13%       $22,764,447     8.0%        $28,455,556     10.0%
  Tier I Capital (to Risk
    Weighted Assets).............  $28,942,074    10.17%       $11,382,222     4.0%        $17,073,335      6.0%
  Tier I Capital (to Average
    Assets)......................  $28,942,074     6.73%       $17,203,277     4.0%        $21,504,096      5.0%

As of December 31, 1997:
  Total Capital (to Risk
    Weighted Assets).............  $27,684,044    11.58%       $19,255,224     8.0%        $24,069,031     10.0%
  Tier I Capital (to Risk
    Weighted Assets).............  $25,326,502    10.60%       $ 9,627,612     4.0%        $14,441,418      6.0%
  Tier I Capital (to Average
    Assets)......................  $25,326,502     6.63%       $15,271,120     4.0%        $19,089,051      5.0%
</TABLE>

11. DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS

    SFAS No. 107, "Disclosures about Fair Value of Financial Instruments,"
requires disclosure of fair value information about financial instruments,
whether or not recognized in the balance sheet, for which it is practicable to
estimate that value. In cases where quoted market prices are not available, fair
values are based on estimates using present value or other valuation techniques.
Those techniques are significantly affected by the assumptions used, including
the discount rate and estimates of future cash flows. In that regard, the
derived fair value estimates cannot be substantiated by comparison to
independent markets and, in many cases, could not be realized in immediate
settlement of the instrument. SFAS No. 107 excludes certain financial
instruments and all nonfinancial instruments from its disclosure requirements.
Accordingly, the aggregate fair value amounts presented do not represent the
underlying value of the Bank.

    The Bank had no derivative financial instruments at December 31, 1998 and
1997.

                                      F-18
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)

                  YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996

11. DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS (CONTINUED)

    The following methods and assumptions were used by the Bank in estimating
its fair value disclosures for financial instruments:

        CASH AND CASH EQUIVALENTS:  The carrying amounts reported in the balance
    sheet for cash and federal funds sold approximate those assets' fair values.
    The Company's policy is to treat all investments with an original maturity
    date of less than 90 days as cash equivalents.

        INVESTMENT SECURITIES (INCLUDING MORTGAGE-BACKED AND NON-DEBT
    SECURITIES):  Fair values for investment securities are based on quoted
    market prices.

        LOANS RECEIVABLE:  For variable-rate loans that reprice frequently and
    with no significant change in credit risk, fair values are based on carrying
    values. The fair values for certain mortgage loans (e.g., one-to-four family
    residential), credit card loans, and other consumer loans are based on
    quoted market prices of similar loans, adjusted for differences in loan
    characteristics. The fair values for other loans (e.g., commercial real
    estate and rental property mortgage loans, commercial and industrial loans,
    and financial institution loans) are estimated using discounted cash flow
    analyses and using interest rates currently being offered for loans with
    similar terms to borrowers of similar credit quality. The carrying amount of
    accrued interest approximates its fair value.

        DEPOSIT LIABILITIES:  The fair values disclosed for demand deposits
    (e.g., interest and non-interest checking, passbook savings, and certain
    types of money market accounts) are, by definition, equal to the amount
    payable on demand at the reporting date (i.e. their carrying amounts). The
    carrying amounts for variable-rate, fixed-term money market accounts and
    certificates of deposits approximate their fair values at the reporting
    date. Fair values for fixed-rate certificates of deposit are estimated using
    a discounted cash flow calculation that applies interest rates currently
    being offered on certificates to a schedule of aggregated expected monthly
    maturities on time deposits.

    The estimated fair values of the Bank's financial instruments are as
follows:

<TABLE>
<CAPTION>
                                                   1998                          1997
                                        ---------------------------   ---------------------------
                                          CARRYING         FAIR         CARRYING         FAIR
                                           AMOUNT         VALUE          AMOUNT         VALUE
                                        ------------   ------------   ------------   ------------
<S>                                     <C>            <C>            <C>            <C>
Financial assets:
  Cash and cash equivalents...........  $ 39,563,549   $ 39,563,549   $ 39,614,388   $ 39,614,388
  Investment securities...............   122,489,278    123,258,272    125,040,631    125,724,678
  Loans, net..........................   270,024,008    273,865,428    232,198,194    229,383,938
  Accrued interest receivable.........     2,765,264      2,765,264      2,932,578      2,932,578
                                        ------------   ------------   ------------   ------------
Total.................................  $434,842,099   $439,452,513   $399,785,791   $397,655,582
                                        ============   ============   ============   ============
Financial liabilities:
  Deposits............................  $422,329,788   $423,070,264   $389,231,973   $389,979,306
  Accrued interest payable............       292,843        292,843        300,432        300,432
                                        ------------   ------------   ------------   ------------
Total.................................  $422,622,631   $423,363,107   $389,532,405   $390,279,738
                                        ============   ============   ============   ============
</TABLE>

                                      F-19
<PAGE>
11. DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS (CONTINUED)

    The Bank has $63,245,000 and $52,712,000 in commitments as of December 31,
1998 and 1997, respectively. The fair values of the Bank's commitments
approximate cost.

    The fair value estimates presented herein are based on pertinent information
available to management as of December 31, 1998 and 1997. Although management is
not aware of any factors that would significantly affect the estimated fair
value amounts, such amounts have not been significantly reevaluated for purposes
of these financial statements since that date and, therefore, current estimates
of fair value may differ significantly from the amounts presented herein.

12. MERGER EXPENSE

    The Bank had $402 thousand merger expense in 1998 as a result of the aborted
Western Bancorp transaction.

                                      F-20
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                    UNAUDITED CONDENSED FINANCIAL STATEMENTS

                                 BALANCE SHEETS

                    SEPTEMBER 30, 1999 AND DECEMBER 31, 1998

<TABLE>
<CAPTION>
                                                              SEPTEMBER 30,    DECEMBER 31,
                                                                   1999            1998
                                                              --------------   -------------
                                                               (UNAUDITED)
                                                                  (DOLLARS IN THOUSANDS)
<S>                                                           <C>              <C>
ASSETS
  Cash and due from banks...................................    $   21,504      $   19,764
  Federal funds sold and repos..............................        12,540          19,800
                                                                ----------      ----------
    Total cash and cash equivalents.........................        34,044          39,564
  FRB & FHLB & FNMA stock...................................         1,729           1,254
  Available for sale-securities.............................        60,718          39,932
  Held to maturity-securities...............................        56,460          81,303
                                                                ----------      ----------
    Total securities........................................       118,907         122,489
  Loans held for investment (net)...........................       291,705         270,024
  Premises and equipment, net...............................        11,014          11,976
  Other assets..............................................        13,260          11,537
                                                                ----------      ----------
    Total assets............................................    $  468,930      $  455,590
                                                                ==========      ==========
LIABILITIES
  Deposits:
  Non-interest bearing deposits.............................    $  145,211      $  146,692
  Interest bearing deposits.................................       286,563         275,638
                                                                ----------      ----------
    Total deposits..........................................       431,774         422,330
  Other liabilities:........................................         5,047           4,100
                                                                ----------      ----------
    Total liabilities.......................................       436,821         426,430

COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS' EQUITY
  Common stock, no par value, 10,000,000 shares authorized
    December 1998--2,486,855 issued and outstanding and
    10,000,000 shares authorized September 1999--2,610,973
    issued and outstanding..................................         2,176           2,072
  Additional Paid-in capital................................        25,644          22,102
  Retained earnings.........................................         4,385           4,878
  Unrealized gain/(loss) on available for sale securities...           (96)            108
                                                                ----------      ----------
    Total Equity............................................        32,109          29,160
                                                                ----------      ----------
    Total liabilities and shareholders' equity..............    $  468,930      $  455,590
                                                                ==========      ==========
Number of common shares outstanding.........................     2,610,973       2,610,973
Common shareholders' equity per share.......................    $    12.30      $    11.17
Tangible book value per share...............................    $    12.26      $    11.13
</TABLE>

      See "NOTES TO UNAUDITED CONDENSED FINANCIAL STATEMENT FOR PENINSULA"

                                      F-21
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                    UNAUDITED CONDENSED FINANCIAL STATEMENTS

                              STATEMENTS OF INCOME

                 NINE MONTHS ENDED SEPTEMBER 30, 1999 AND 1998

<TABLE>
<CAPTION>
                                                              NINE MONTHS ENDED     NINE MONTHS ENDED
                                                             SEPTEMBER 30, 1999    SEPTEMBER 30, 1998
                                                             -------------------   -------------------
                                                                 (UNAUDITED)           (UNAUDITED)
                                                                      (DOLLARS IN THOUSANDS)
<S>                                                          <C>                   <C>
INCOME
Interest income:
  Loans, including fees....................................        $   18,299            $   16,673
  Interest-bearing deposits in other banks.................               136                   235
  Investment securities....................................             4,914                 5,104
  Federal funds sold and repos.............................               653                   646
                                                                   ----------            ----------
    Total interest income..................................            24,002                22,658
INTEREST EXPENSE
  Deposits.................................................             6,902                 6,754
  Borrowings and other.....................................                74                    64
                                                                   ----------            ----------
    Total interest expense.................................             6,976                 6,818
                                                                   ----------            ----------
  Net interest income......................................            17,026                15,840
    Provision for loan losses..............................               215                   242
                                                                   ----------            ----------
NET INTEREST INCOME AFTER PROVISION........................            16,811                15,598
NON-INTEREST INCOME
  Service charges, commissions and fees....................             3,000                 2,988
  Securities gains (losses)................................                19                    30
  Other income.............................................               713                   703
                                                                   ----------            ----------
    Total non-interest income..............................             3,732                 3,721
NON-INTEREST EXPENSE
  Salaries and benefits....................................             8,521                 7,960
  Occupancy, furniture and equipment.......................             2,095                 2,001
  Advertising and business development.....................               511                   491
  Other real estate owned..................................                32                    32
  Professional services....................................               296                   308
  Telephone, stationary and supplies.......................               515                   553
  Data processing..........................................               589                   536
  Customer service cost....................................               935                   970
  Merger costs.............................................                --                    --
  Other....................................................               849                   803
                                                                   ----------            ----------
    Total non-interest expense.............................            14,343                13,654
  Income before income taxes...............................             6,200                 5,665
  Provision for income taxes...............................             2,358                 2,130
                                                                   ----------            ----------
NET INCOME.................................................        $    3,842            $    3,535
                                                                   ==========            ==========
PER SHARE INFORMATION
  Number of shares (weighted average) basic and diluted....         2,610,973             2,610,973
  Income per share--basic and diluted......................        $     1.47            $     1.35
</TABLE>

      See "NOTES TO PENINSULA'S UNAUDITED CONDENSED FINANCIAL STATEMENTS"

                                      F-22
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                    UNAUDITED CONDENSED FINANCIAL STATEMENTS

                       STATEMENT OF SHAREHOLDERS' EQUITY

                      NINE MONTHS ENDED SEPTEMBER 30, 1999

<TABLE>
<CAPTION>
                                                                                        UNREALIZED
                                                                                      GAIN/(LOSS) ON
                                          COMMON STOCK        ADDITIONAL                AVAILABLE
                                      ---------------------    PAID-IN     RETAINED      FOR SALE
                                       SHARES     PAR VALUE    CAPITAL     EARNINGS     SECURITIES      TOTAL
                                      ---------   ---------   ----------   --------   --------------   --------
                                                               (DOLLARS IN THOUSANDS)
<S>                                   <C>         <C>         <C>          <C>        <C>              <C>
BALANCE AT JANUARY 1, 1999..........  2,486,655    $2,072       $22,102    $ 4,878        $ 108        $29,160
  5% stock dividend.................    124,118       104         3,542     (3,646)
  Cash dividends ($.265 per
    share)..........................                                          (689)                       (689)
  Net income........................                                         3,842                       3,842
  Unrealized loss on available for
    sale securities, net of tax.....                                                       (204)          (204)
                                      ---------    ------       -------    -------        -----        -------
BALANCE AT SEPTEMBER 30, 1999.......  2,610,973    $2,176       $25,644    $ 4,385        $ (96)       $32,109
                                      =========    ======       =======    =======        =====        =======
</TABLE>

                                      F-23
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                    UNAUDITED CONDENSED FINANCIAL STATEMENTS

                     CONSOLIDATED STATEMENTS OF CASH FLOWS

             FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1999 AND 1998

<TABLE>
<CAPTION>
                                                                FOR THE NINE MONTHS
                                                                       ENDED
                                                                   SEPTEMBER 30,
                                                              -----------------------
                                                                 1999         1998
                                                              ----------   ----------
                                                              (DOLLARS IN THOUSANDS)
<S>                                                           <C>          <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
  Net Income................................................   $  3,842     $  3,535
  Adjustments to reconcile net income to net cash provided
    by operating activities:
    Depreciation and amortization...........................        975          973
    Amortization of deferred loan fees......................     (1,188)      (1,103)
    Net amortization (accrection) of premium (discount) on
      investment securities.................................       (236)        (178)
    Provision for loan loss.................................        215          242
    Gain on sale of investment securites....................        (19)         (30)
    Deferred loan fees on new loans.........................      1,351        1,156
    Loss on sale of premises and equipment..................          0            0
    Change in other Assets and Liabilities
      Other Assets..........................................     (1,514)      (2,290)
      Other Liabilities.....................................        947          (42)
                                                               --------     --------
    Net cash provided by operating activities...............      4,373        2,263
                                                               --------     --------
CASH FLOWS FROM INVESTING ACTIVITIES:
  Proceeds from maturities on available for sale investment
    securities..............................................     21,700       15,000
  Proceeds from maturities/principal paydowns on held to
    maturity investment securities..........................     25,648       26,543
  Purchases of held to maturity investment securities.......       (201)     (19,918)
  Purchases of available for sale investment securities.....    (42,702)     (17,169)
  Proceeds from sales of available for sale investment
    securities..............................................          0            0
  Net Purchases of premises and equipment...................       (424)      (1,134)
  Net additions to loans....................................    (23,451)     (21,485)
  Proceeds from loans sold..................................        782          861
                                                               --------     --------
  Net cash used in investing activities.....................    (18,648)     (17,302)
                                                               --------     --------
CASH FLOWS FROM FINANCING ACTIVITIES:
  Net increase in deposit accounts..........................      9,444       17,515
  Cash Dividends............................................       (689)        (566)
                                                               --------     --------
  Net cash provided by financing activities.................      8,755       16,949
                                                               --------     --------
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS............     (5,520)       1,910
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR................     39,564       39,614
                                                               --------     --------
CASH AND CASH EQUIVALENTS, END OF YEAR......................   $ 34,044     $ 41,524
                                                               ========     ========
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid during the year for income taxes..................   $  1,999     $  2,254
                                                               --------     --------
Cash paid during the year for interest......................   $  7,675     $  7,892
                                                               --------     --------
</TABLE>

                                      F-24
<PAGE>
                          PENINSULA BANK OF SAN DIEGO

                    UNAUDITED CONDENSED FINANCIAL STATEMENTS

         NOTES TO PENINSULA'S UNAUDITED CONDENSED FINANCIAL STATEMENTS

NOTE 1: BASIS OF PRESENTATION

    Our Unaudited Condensed Financial Statements that are included herein
reflect all adjustments, consisting only of normal recurring adjustments, which
are, in our opinion, necessary to present a fair statement of the results for
the interim periods indicated. Certain reclassifications have been made to the
condensed financial statements of 1998 to conform to the 1999 presentation.
Certain information and note disclosures normally included in financial
statements prepared in accordance with generally accepted accounting principles
have been condensed or omitted pursuant to the rules and regulations of the
Securities and Exchange Commission.

    The preparation of Unaudited Condensed Financial Statements in conformity
with accounting principles requires us to make estimates and assumptions that
affect the reported amounts of assets and liabilities at the date of the
financial statements and reported amounts of revenue and expenses during the
reporting period. Actual results could differ from those estimates. Material
estimates subject to change include the allowance for loan and lease losses, the
carrying value of OREO, and the deferred tax asset.

    The accompanying Unaudited Condensed Financial Statements should be read in
conjunction with the financial statements and notes for the year ended
December 31, 1998 included elsewhere herein.

NOTE 2: STATEMENT OF COMPREHENSIVE INCOME

    Comprehensive income is defined as the change in equity during a period from
transactions and the events and circumstances from non-owner sources.
Comprehensive income generally includes net income, foreign currency items,
minimum pension liability adjustments and unrealized gains and losses on
investments in certain debt and equity securities (i.e., securities available
for sale). Our statement of comprehensive income for the periods presented is as
follows (in thousands):

<TABLE>
<CAPTION>
                                                                 FOR THE NINE
                                                                 MONTHS ENDED
                                                                 SEPTEMBER 30,
                                                              -------------------
                                                                1999       1998
                                                              --------   --------
<S>                                                           <C>        <C>
Net Income..................................................   $3,842     $3,535
Holding gains and (losses) arising during the period........     (348)       387
Less reclassification of realized gains included in net
  income....................................................      145       (161)
                                                               ------     ------
Comprehensive Income........................................   $3,639     $3,761
                                                               ======     ======
</TABLE>

                                      F-25
<PAGE>
                                   APPENDIX A
                          AGREEMENT AND PLAN OF MERGER
<PAGE>
                          AGREEMENT AND PLAN OF MERGER
                         DATED AS OF SEPTEMBER 1, 1999
                                    BETWEEN
                                  U.S. BANCORP
                                      AND
                          PENINSULA BANK OF SAN DIEGO
<PAGE>
                               TABLE OF CONTENTS

<TABLE>
<C>      <S>                                                           <C>
RECITALS.............................................................   A-1

ARTICLE I--CERTAIN DEFINITIONS.......................................   A-1
   1.01  Certain Definitions.........................................   A-1

ARTICLE II--THE MERGER...............................................   A-5
   2.01  The Merger..................................................   A-5
   2.02  Effective Date and Effective Time...........................   A-5

ARTICLE III--MERGER CONSIDERATION; EXCHANGE PROCEDURES...............   A-6
   3.01  Merger Consideration........................................   A-6
   3.02  Rights as Shareholders; Stock Transfers.....................   A-6
   3.03  Fractional Shares...........................................   A-6
   3.04  Exchange Procedures.........................................   A-7
   3.05  Anti-Dilution Provisions....................................   A-8

ARTICLE IV--ACTIONS PENDING ACQUISITION..............................   A-9
   4.01  Forbearances of Seller......................................   A-9
   4.02  Forbearances of Acquirer....................................  A-11

ARTICLE V--REPRESENTATIONS AND WARRANTIES............................  A-11
   5.01  Disclosure Schedule.........................................  A-11
   5.02  Standard....................................................  A-11
   5.03  Representations and Warranties of Seller....................  A-12
   5.04  Representations and Warranties of Acquirer..................  A-21

ARTICLE VI--COVENANTS................................................  A-24
   6.01  Reasonable Best Efforts.....................................  A-24
   6.02  Shareholder Approval........................................  A-24
   6.03  Registration Statement......................................  A-24
   6.04  Press Releases..............................................  A-25
   6.05  Access; Information.........................................  A-25
   6.06  Acquisition Proposals.......................................  A-26
   6.07  Affiliate Agreements........................................  A-26
   6.08  Stock Exchange Listing......................................  A-26
   6.09  Regulatory Applications.....................................  A-26
   6.10  Indemnification; Directors' and Officers' Insurance.........  A-27
   6.11  Takeover Laws; No Right Triggered...........................  A-28
   6.12  Notification of Certain Matters.............................  A-28
   6.13  Certain Loans and Related Matters...........................  A-28
   6.14  Monthly Financial Statements................................  A-29
   6.15  Tax Matters.................................................  A-29
   6.16  Establishment of Accruals...................................  A-29
   6.17  Coordination of Dividends...................................  A-29
   6.18  Updated Disclosure Schedule.................................  A-29
   6.19  Benefit Plans...............................................  A-30
</TABLE>

                                      A-i
<PAGE>
<TABLE>
<C>      <S>                                                           <C>
ARTICLE VII--CONDITIONS TO CONSUMMATION OF THE MERGER................  A-30
   7.01  Conditions to Each Party's Obligation to Effect the           A-30
         Merger......................................................
   7.02  Conditions to Obligation of Seller..........................  A-31
   7.03  Conditions to Obligation of Acquirer........................  A-32

ARTICLE VIII--TERMINATION............................................  A-33
   8.01  Termination.................................................  A-33
   8.02  Effect of Termination and Abandonment.......................  A-34
   8.03  Termination Fee.............................................  A-34

ARTICLE IX--MISCELLANEOUS............................................  A-34
   9.01  Survival....................................................  A-34
   9.02  Waiver; Amendment...........................................  A-34
   9.03  Counterparts................................................  A-35
   9.04  Governing Law...............................................  A-35
   9.05  Expenses....................................................  A-35
   9.06  Notices.....................................................  A-35
   9.07  Entire Understanding; No Third Party Beneficiaries..........  A-35
   9.08  Interpretation; Effect......................................  A-36

Signatures...........................................................  A-36

Exhibit A--Form of Agreement to Merge
Exhibit B--Form of Affiliate Agreement
</TABLE>

                                      A-ii
<PAGE>
                          AGREEMENT AND PLAN OF MERGER

AGREEMENT AND PLAN OF MERGER, dated as of September 1, 1999 (this "Agreement")
between U.S. Bancorp ("Acquirer") and Peninsula Bank of San Diego ("Seller").

                                    RECITALS

    A.  ACQUIRER.  Acquirer is a Delaware corporation, having its principal
place of business in Minneapolis, Minnesota.

    B.  SELLER.  Seller is a California chartered bank, having its principal
place of business in San Diego, California.

    C.  U.S. BANK.  Acquirer has a wholly owned subsidiary named U.S. Bank
National Association ("US Bank") organized under the laws of the United States.

    D.  INTENTIONS OF THE PARTIES.  Acquirer and Seller intend that the merger
(the "Merger") contemplated by Section 2.01 of this Agreement shall qualify 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 Seller, Acquirer
and US Bank have determined that it is advisable and in the best interests of
their respective companies and their shareholders to consummate the Merger in
accordance with the terms provided for herein.

    F.  VOTING AGREEMENTS.  Simultaneously herewith, certain directors,
executive officers and significant shareholders of Seller each have entered into
a shareholder voting agreement with Acquirer.

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

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

    "Acquirer" means U.S. Bancorp, a Delaware corporation.

    "Acquirer Average Price" has the meaning set forth in Section 3.01(a).

    "Acquirer Board" means the Board of Directors of Acquirer.

    "Acquirer Common Stock" means the common stock, $1.25 par value per share,
of Acquirer.

    "Acquirer Preferred Stock" has the meaning set forth in Section 5.04(b).

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

    "Agreement to Merge" means the Agreement to Merge between Seller and US Bank
in substantially the form of Exhibit A hereto.

    "Business Combination" has the meaning set forth in Section 3.05.

    "CGCL" means the California General Corporation Law, as amended.

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

    "Compensation and Benefit Plans" has the meaning set forth in
Section 5.03(p)(i).

    "Confidentiality Agreement" has the meaning set forth in Section 6.05(b).

                                      A-1
<PAGE>
    "Costs" has the meaning set forth in Section 6.10(a).

    "DFI" means the California Department of Financial Institutions.

    "DGCL" means the Delaware General Corporation Law, as amended.

    "DPC Shares" means shares of Seller Common Stock held as a result of debts
previously contracted in good faith.

    "Disclosure Schedule" has the meaning set forth in Section 5.01.

    "Dissenting Shares" has the meaning set forth in Section 3.04(f).

    "Effective Date" has the meaning in set forth Section 2.02.

    "Effective Time" has the meaning in set forth Section 2.02.

    "Environmental Law" has the meaning set forth in Section 5.03(s).

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

    "ERISA Affiliate" has the meaning set forth in Section 5.03(p)(iv).

    "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(a).

    "Exchange Fund" has the meaning set forth in Section 3.04(a).

    "Exchange Ratio" has the meaning set forth in Section 3.01(a).

    "FDIC" means the Federal Deposit Insurance Corporation.

    "FRB" means the Board of Governors of the Federal Reserve System.

    "GAAP" means United States generally accepted accounting principles,
consistently applied.

    "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(s).

    "Indemnified Parties" has the meaning set forth in Section 6.10(a).

    "Injunction" has the meaning set forth in Section 7.01(c).

    "Insurance Amount" has the meaning set forth in Section 6.10(c).

    "Latest Seller Balance Sheet" has the meaning set forth in Section 5.03(g).

    "Leases" has the meaning set forth in Section 5.03(r)(ii).

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

    "Liens" means any charge, mortgage, pledge, security interest, restriction,
claim, lien or encumbrance other than liens for taxes not yet due and payable.

    "Loans" has the meaning set forth in Section 5.03(w)(i).

    "Material Adverse Effect" means, with respect to Acquirer or Seller, as the
case may be, any effect that: (i) is material and adverse to the financial
position, results of operations or business of Acquirer and its Subsidiaries,
taken as a whole, or Seller, or (ii) would materially impair the ability of
either Acquirer or Seller to perform its obligations under this Agreement or
otherwise materially threaten or materially impede the consummation of the
Merger and the other transactions contemplated by this

                                      A-2
<PAGE>
Agreement; provided, however, that Material Adverse Effect shall not be deemed
to include the impact of: (a) changes in banking and similar laws of general
applicability or interpretations thereof by any court or any Governmental
Authority, (b) changes in GAAP or regulatory accounting requirements applicable
to banks and their holding companies generally, (c) any expenses incurred by a
party hereto in connection with this Agreement or the transactions contemplated
hereby, or (d) any action or omission of Seller or Acquirer or any of its
Subsidiaries taken with the prior written consent of the other party hereto.

    "Material Contract" means, with respect to any Person, 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, (ii) that materially restricts the conduct of its
business, or (iii) that is otherwise material to its financial position, results
of operations or business.

    "Merger" has the meaning set forth in Section 2.01(a).

    "Merger Consideration" has the meaning set forth in Section 2.01(a).

    "Millennium Compliant" has the meaning set forth in Section 5.03(aa).

    "Multiemployer Plans" has the meaning set forth in Section 5.03(p)(iii).

    "NYSE" means the New York Stock Exchange.

    "New Certificates" has the meaning set forth in Section 3.04(a).

    "OCC" means the Office of the Comptroller of the Currency.

    "Old Certificates" has the meaning set forth in Section 3.04(a).

    "OREO" means "other real estate owned."

    "Pension Plan" has the meaning set forth in Section 5.03(p)(iii).

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

    "Plans" has the meaning set forth in Section 5.03(p)(iii).

    "Previously Disclosed" by a party means information set forth in its
Disclosure Schedule.

    "Proxy Statement" has the meaning set forth in Section 6.03(a).

    "Registration Statement" has the meaning set forth in Section 6.03(a).

    "Regulatory Authorities" has the meaning set forth in Section 5.03(k)(i).

    "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.

    "SEC Documents" means, with respect to any Person, the Annual Reports on
Form 10-K for the fiscal years ended December 31, 1998, 1997 and 1996, the
Quarterly Report on Form 10-Q for the quarter ended June 30, 1999, and all other
reports, registration statements, definitive proxy statements or information
statements filed or to be filed subsequent to December 31, 1996 under the
Securities Act or under Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act,
in the form filed or to be filed with the SEC.

                                      A-3
<PAGE>
    "Sections 1300 et seq." has the meaning set forth in Section 3.04(f).

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

    "Seller" means Peninsula Bank of San Diego, a California corporation.

    "Seller Articles" means the Articles of Incorporation of Seller.

    "Seller Board" means the Board of Directors of Seller.

    "Seller By-Laws" means the By-Laws of Seller.

    "Seller Common Stock" means the common stock, no par value per share, of
Seller.

    "Seller Meeting" has the meaning set forth in Section 6.02.

    "Seller Plans" means those plans set forth on Schedule 5.03(p) in the
Disclosure Schedule.

    "Seller Regulatory Reports" has the meaning set forth in
Section 5.03(k)(iii).

    "Seller's Knowledge" means the actual knowledge of any of Seller's Chairman
and Chief Executive Officer, President, any Executive Vice President or any
Senior Vice President other than those Senior Vice Presidents Previously
Disclosed.

    "Subsidiary" and "Significant Subsidiary" have the meanings ascribed to them
in Rule 1-02 of Regulation S-X of the SEC.

    "Superior Proposal" means a bona fide Takeover Proposal which the Seller
Board determines in its reasonable good faith judgment to be more favorable to
the Seller's shareholders than the Merger (after receiving the written opinion,
with only customary qualifications, of the Seller's independent financial
advisor that the financial value of the consideration provided for in such
Takeover Proposal exceeds the financial value of the Merger Consideration) and
for which financing, to the extent required, is then committed by a third party
or which, in the reasonable good faith judgment of the Seller Board (after
receiving the written advice of the Seller's independent financial advisor), is
highly likely to be financed by such third party.

    "Surviving Entity" has the meaning set forth in Section 2.01(a).

    "Takeover Laws" has the meaning set forth in Section 5.03(bb).

    "Takeover Proposal" means, with respect to any Person, any tender or
exchange offer, proposal for a merger, consolidation or other business
combination involving Seller, or any proposal or offer to acquire in any manner
a substantial equity interest in, or a substantial portion of the assets or
deposits of, Seller, other than the transactions contemplated by this Agreement.

    "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, custom 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.

    "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.

    "Termination Fee" has the meaning set forth in Section 8.03.

                                      A-4
<PAGE>
    "Treasury Stock" means shares of Seller Common Stock held by Seller or by
Acquirer or any of its Subsidiaries, in each case other than Trust Account
Shares and DPC Shares.

    "Trust Account Shares" means shares of Seller Common Stock held in a
fiduciary (including custodial or agency) capacity.

    "US Bank" has the meaning set forth in the Recitals to this Agreement.

                                   ARTICLE II
                                   THE MERGER

    2.01  THE MERGER.

    (a)  THE SURVIVING ENTITY.  At the Effective Time, Seller shall merge with
and into US Bank (the "Merger"), the separate corporate existence of Seller
shall cease and US Bank shall survive and continue to exist as a national
banking association formed under the laws of the United States (US Bank, as the
surviving entity in the Merger, sometimes being referred to herein as the
"Surviving Entity"). Acquirer may at any time prior to the Effective Time change
the method of effecting the combination with Seller (including, without
limitation, the provisions of this Article II) if and to the extent it deems
such change to be desirable, including, without limitation, to provide for a
merger of Seller directly with and into another wholly-owned subsidiary of
Acquirer, in which either Seller or such subsidiary is the surviving
corporation; PROVIDED, HOWEVER, that no such change shall (i) alter or change
the amount, method of calculating or kind of consideration to be issued to
holders of Seller Common Stock as provided for in this Agreement (the "Merger
Consideration") or the relative equity interest in the Surviving Entity
represented thereby, (ii) adversely affect the tax treatment of Seller's
shareholders as a result of receiving the Merger Consideration, or
(iii) materially impede or delay consummation of the transactions contemplated
by this Agreement.

    (b)  EFFECTS OF MERGER.  Subject to the satisfaction or waiver of the
conditions set forth in Article VII, the Merger shall become effective in
accordance with the procedures adopted by the OCC, implementing 12 U.S.C.
Section215a.

    (c)  ARTICLES OF ASSOCIATION AND BY-LAWS.  The articles of association and
by-laws of the Surviving Entity immediately after the Effective Time shall be
those of US Bank as in effect immediately prior to the Effective Time.

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

    2.02  EFFECTIVE DATE AND EFFECTIVE TIME.  Subject to the satisfaction or
waiver of the conditions set forth in Article VII, the parties hereto shall
cause the Agreement to Merge to be executed and filed with the OCC in accordance
with all applicable legal requirements. The Merger provided for herein shall
become effective upon such filing or on such date as otherwise may be specified
in the Agreement to Merge, which date shall be (i) be within ten business days
after the date on which the last of the conditions set forth in Sections 7.01,
7.02 and 7.03 shall have been satisfied or waived in accordance with the terms
of this Agreement (or, at the election of Acquirer, on the last business day of
the month in which such day occurs) or, (ii) on such other date to which the
parties hereto may agree in writing. The date of such filing or such later
effective date is herein called the "Effective Date." The time on the Effective
Date when the Merger shall become effective as set forth in the Agreement to
Merge is referred to as the "Effective Time."

                                      A-5
<PAGE>
                                  ARTICLE III
                   MERGER CONSIDERATION; EXCHANGE PROCEDURES

    3.01  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 SELLER COMMON STOCK.  Each share of Seller Common Stock,
excluding Treasury Stock, issued and outstanding immediately prior to the
Effective Time shall be converted, subject to Sections 3.04(f) and 3.05, into
that number of shares of Acquirer Common Stock equal to the quotient obtained by
dividing (i) 40.00 by (ii) the Acquirer Average Price (the "Exchange Ratio"). As
used herein, "Acquirer Average Price" shall mean the average of the daily
closing sales prices of a share of Acquirer Common Stock as reported on the
consolidated tape of the NYSE during the 20 consecutive trading days ending at
the end of the third business day prior to the Effective Date; PROVIDED,
HOWEVER, that:

    (i) if the Acquirer Average Price as so computed would be less than $27.4125
        but greater than or equal to $24.1875, then the Acquirer Average Price
        shall be $27.4125; and

    (ii) if the Acquirer Average Price as so computed would be greater than
         $37.0875 but less than or equal to $40.3125, then the Acquirer Average
         Price shall be $37.0875;

Notwithstanding the foregoing:

    (i) if the Acquirer Average Price is less than $24.1875, then the Exchange
        Ratio shall be adjusted so that it is equal to the quotient obtained by
        dividing 35.2941 by the Acquirer Average Price; and

    (ii) if the Acquirer Average Price is greater than $40.3125, then the
         Exchange Ratio shall be adjusted so that it is equal to the quotient
         obtained by dividing 43.4783 by the Acquirer Average Price.

    (b)  TREASURY STOCK.  Each of the shares of Seller 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.

    (c)  OUTSTANDING ACQUIRER COMMON STOCK.  Each share of Acquirer Common Stock
issued and outstanding immediately prior to the Effective Time shall remain
outstanding and unaffected and, together with the shares converted into Acquirer
Common Stock pursuant to Section 3.01(a), shall constitute all of the
then-issued and outstanding shares of capital stock of the Surviving Entity.

    (d)  OUTSTANDING US BANK COMMON STOCK.  Each share of common stock of US
Bank issued and outstanding immediately prior to the Effective Time shall remain
outstanding and unaffected and shall constitute all of the then-issued and
outstanding shares of capital stock of the Surviving Entity.

    3.02  RIGHTS AS SHAREHOLDERS; STOCK TRANSFERS.  At the Effective Time,
holders of Seller Common Stock shall cease to be, and shall have no rights as,
shareholders of Seller, other than to receive any dividend or other distribution
with respect to Seller Common Stock with a record date occurring prior to the
Effective Date and the consideration provided under this Article III, including
any dissenter's rights provided in Section 3.04(f). After the Effective Time,
there shall be no transfers on the stock transfer books of Seller or the
Surviving Entity of shares of Seller Common Stock.

    3.03  FRACTIONAL SHARES.  Notwithstanding any other provision hereof, no
fractional shares of Acquirer Common Stock and no certificates or scrip
therefor, or other evidence of ownership thereof, will be issued in the Merger;
instead, Acquirer shall pay to each holder of Seller Common Stock who would
otherwise be entitled to a fractional share of Acquirer Common Stock (after
taking into account all of the shares of Seller Common Stock represented by all
of the Old Certificates delivered by such

                                      A-6
<PAGE>
holder) an amount in cash (without interest) determined by multiplying such
fraction by the average of the closing sale prices of Acquirer Common Stock, as
reported by the NYSE Composite Transactions Reporting System (as reported in THE
WALL STREET JOURNAL or, if not reported therein, in another authoritative
source), for the five NYSE trading days immediately preceding the Effective
Date.

    3.04  EXCHANGE PROCEDURES.

    (a)  DEPOSIT OF EXCHANGE FUND.  At or prior to the Effective Time, Acquirer
shall deposit, or shall cause to be deposited, with such bank or trust company
(which may be a Subsidiary of Acquirer) as Acquirer shall elect, subject to the
reasonable approval of Seller (the "Exchange Agent"), for the benefit of the
holders of certificates formerly representing shares of Seller Common Stock
("Old Certificates"), for exchange in accordance with this Article III,
certificates or book-entry securities representing the shares of Acquirer Common
Stock ("New Certificates") and the cash in lieu of fractional shares (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 the shares of Seller Common Stock outstanding immediately prior to
the Effective Time.

    (b)  EXCHANGE OF CERTIFICATES.  As promptly as practicable after the
Effective Date, and in any event no later than ten business days after the
Effective Date, Acquirer shall send or cause to be sent to each former holder of
record of shares of Seller Common Stock (other than Treasury Stock) immediately
prior to the Effective Time transmittal materials (which shall be subject to the
reasonable approval of Seller) for use in exchanging such shareholder's Old
Certificates for the Merger Consideration set forth in this Article III.
Acquirer shall cause the New Certificates representing Acquirer Common Stock
into which shares of a shareholder's Seller Common Stock are converted on the
Effective Date and/or any check in respect of fractional share interests or
dividends or distributions which such Person shall be entitled to receive to be
delivered to such shareholder upon delivery to the Exchange Agent of Old
Certificates representing such shares of Seller Common Stock (or indemnity
reasonably satisfactory to Acquirer and the Exchange Agent, if any of such
certificates are lost, stolen or destroyed) owned of record immediately prior to
the Effective Time by such shareholder. No interest will be paid on any such
cash to be paid in lieu of fractional share interests or dividends or
distributions which any such Person shall be entitled to receive pursuant to
this Article III upon such delivery.

    (c)  UNCLAIMED CERTIFICATES.  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 Acquirer (and to the extent not in its possession shall be paid over
to Acquirer), 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 Seller Common
Stock for any amount properly delivered to a public official pursuant to
applicable abandoned property, escheat or similar laws.

    (d)  DISTRIBUTIONS IN RESPECT OF UNCLAIMED CERTIFICATES.  No dividends or
other distributions with respect to Acquirer 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 Seller Common Stock
converted in the Merger into the right to receive shares of such Acquirer Common
Stock until the holder thereof shall be entitled to receive New Certificates in
exchange therefor after having complied with the procedures set forth in this
Section 3.04, and no such shares of Acquirer Common Stock shall be eligible to
vote until the holder of Old Certificates is entitled to receive New
Certificates after having complied with the procedures set forth in this
Section 3.04. After becoming so entitled after

                                      A-7
<PAGE>
having complied 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 otherwise become payable with respect to
shares of Acquirer Common Stock such holder had the right to receive upon
surrender of the Old Certificate.

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

    (f)  DISSENTING SHARES.  Notwithstanding anything in this Agreement to the
contrary, shares of Seller Common Stock which are outstanding immediately prior
to the Effective Time and which constitute dissenting shares as provided in 12
U.S.C. 215a (such shares are referred to herein as "Dissenting Shares") shall
not be converted into shares of Acquirer Common Stock but, instead, the holders
thereof shall be entitled to receive payment of the fair market value of such
Dissenting Shares as determined in accordance with the provisions of Sections
1300-1312 ("Sections 1300 et seq.") of the CGCL; provided, however, that (i) if
any holder of Dissenting Shares shall subsequently withdraw, with the consent of
the Surviving Entity, his or her demand for purchase of such shares, or (ii) if
any holder of Dissenting Shares fails to establish or perfect or otherwise loses
his or her entitlement to payment of the fair market value of such shares as
provided in 12 U.S.C. 215a such holder or holders (as the case may be) shall not
be entitled to receive payment of the fair market value of such shares of Seller
Common Stock and cash in lieu of fractional shares by Sections 1300 et seq., and
each of such shares shall thereupon be deemed to have been converted into shares
of Acquirer Common Stock and cash in lieu of fractional shares, without any
interest thereon, as provided in Article III hereof.

    3.05  ANTI-DILUTION PROVISIONS.  In the event Acquirer changes (or
establishes a record date for changing) the number of shares of Acquirer Common
Stock issued and outstanding prior to the Effective Date as a result of any
stock split, recapitalization, reclassification, combination, exchange of
shares, readjustment or similar transaction with respect to the outstanding
Acquirer Common Stock, or Acquirer declares a stock dividend or extraordinary
cash dividend, and the record date therefor shall be prior to the Effective
Date, the Exchange Ratio shall be proportionately adjusted. If, between the date
hereof and the Effective Time, Acquirer shall merge, be acquired or consolidate
with, by or into any other corporation (a "Business Combination") and the terms
thereof shall provide that Acquirer 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 Seller who would be entitled to receive shares of Acquirer
Common Stock pursuant to this Agreement shall be entitled to receive, in lieu of
each share of Acquirer 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
Acquirer Common Stock (provided that nothing herein shall be construed so as to
release the acquiring entity in any such Business Combination from its
obligations under this Agreement as the successor to Acquirer).

                                      A-8
<PAGE>
                                   ARTICLE IV
                          ACTIONS PENDING ACQUISITION

    4.01  FORBEARANCES OF SELLER.  From the date hereof until the Effective
Time, except as expressly contemplated by this Agreement, without the prior
written consent of Acquirer, Seller will not:

    (a)  ORDINARY COURSE.  Conduct the business of Seller other than in the
ordinary and usual course in accordance in all material respects with all
applicable laws, rules and regulations and past practice, or, to the extent
consistent therewith, fail to use reasonable efforts to preserve intact in all
material respects the business organizations and assets and maintain in all
material respects its rights, franchises and existing relations with customers,
suppliers, employees and business associates.

    (b)  DELAY.  Willfully take any action that Seller knows or should
reasonably know would materially and adversely affect or delay the ability of
Seller or Acquirer to perform any of their respective obligations under this
Agreement or to consummate the Merger.

    (c)  CAPITAL STOCK.  (i) Issue, sell or otherwise permit to become
outstanding, or authorize the creation of, any additional shares of capital
stock or any Rights, (ii) enter into any agreement with respect to the
foregoing, or (iii) permit any shares of capital stock to become subject to
grants of employee or director stock options, other Rights or similar
stock-based employee rights.

    (d)  DIVIDENDS, ETC.  (i) Subject to the provisions of Section 6.18, take,
declare, pay or set aside for payment any dividend on or in respect of, or
declare or make any distribution on, any shares of its capital stock, other than
normal quarterly dividends not in excess of $.09 per share of Seller Common
Stock with record and payment dates consistent with past practice, or
(ii) directly or indirectly adjust, split, combine, redeem, reclassify, purchase
or otherwise acquire (except for the acquisition of DPC Shares and Trust Account
Shares), any shares of its capital stock or any Rights with respect to Seller
securities.

    (e)  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 Seller, or grant any bonus or any salary or
wage increase or establish or increase any employee benefit (including incentive
or bonus payments), except (i) for normal individual increases in compensation
and/or benefits to employees in the ordinary course of business consistent with
past practice, (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.

    (f)  BENEFIT PLANS.  Except as Previously Disclosed, 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 Seller, or take any action to accelerate the
vesting or exercisability of stock options, restricted stock or other
compensation or benefits payable thereunder.

    (g)  DISPOSITIONS.  Sell, transfer, mortgage, encumber or otherwise dispose
of or discontinue any of the assets, deposits, business or properties of Seller
except in the ordinary course of business; provided, that any such sale,
transfer, mortgage, encumbrance or disposition of any real property, other than
OREO, shall not be considered to be in the ordinary course of business.

    (h)  ACQUISITIONS.  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

                                      A-9
<PAGE>
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 Seller.

    (i)  CAPITAL EXPENDITURES.  Make any capital expenditures other than capital
expenditures in the ordinary course of business consistent with past practice in
amounts not exceeding $25,000 individually or $100,000 in the aggregate.

    (j)  GOVERNING DOCUMENTS.  Amend the Seller Articles or Seller By-Laws.

    (k)  ACCOUNTING METHODS.  Implement or adopt any change in its financial
accounting principles, practices or methods, other than as may be required by
GAAP or regulatory accounting principles.

    (l)  CONTRACTS.  Except in the ordinary course of business consistent with
past practice, enter into, terminate or renew any Material Contract or amend or
modify in any material respect any of its existing Material Contracts.

    (m)  ADVERSE ACTIONS.

    (i) Take any action while knowing that such action would, or would be
        reasonably likely to, prevent or impede the Merger from qualifying as a
        reorganization within the meaning of Section 368 of the Code; or

    (ii) Knowingly take any action that is intended or is reasonably likely to
         result in (A) 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, (B) any of the conditions to
         the Merger set forth in Article VII not being satisfied, or (C) 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 (a) implement or adopt any material change in its interest rate and
other risk management policies, procedures or practices, (b) fail to follow its
existing policies or practices with respect to managing its exposure to interest
rate risk, or (c) fail to use commercially reasonable means to avoid any
material increase in its aggregate exposure to interest rate risk.

    (o)  INDEBTEDNESS; LIABILITIES.  Incur any indebtedness for borrowed money
or voluntarily incur or become subject to any material liability, in each case
other than in the ordinary course of business consistent with past practice.

    (p)  DISCHARGE.  Discharge or satisfy any material lien or encumbrance on
the properties or assets of Seller or pay or cancel any material debt, liability
or claim of Seller or otherwise waive any rights of material value of Seller,
except in the ordinary course of business.

    (q)  INSURANCE.  Permit the current insurance policies of Seller to be
canceled or terminated or any of the coverage thereunder to lapse, unless
simultaneously with such termination, cancellation or lapse, replacement
policies providing coverages substantially equal to the coverages under the
canceled, terminated or lapsed policies are in full force and effect.

    (r)  SETTLEMENTS.  Except as Previously Disclosed, enter into any settlement
or similar agreement with respect to, or take any other significant action with
respect to the conduct of, any action, suit, proceeding, order or investigation
to which Seller becomes a party after the date of this Agreement, which
settlement, agreement or action involves payment by Seller of amounts in excess
of $25,000.

                                      A-10
<PAGE>
        (s)  EXTENSIONS OF CREDIT.  Make any agreements or commitments binding
    it to extend credit except in a manner consistent with past practice and in
    accordance with the lending policies of Seller as previously provided to
    Acquirer, or make any agreement or commitment binding it to extend credit
    for any individual loan in an amount in excess of $1,500,000 without
    submitting loan package information to the Chief Credit Officer of Acquirer
    or his designee for review with a right of comment at least one full
    business day prior to taking such action.

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

    4.02  FORBEARANCES OF ACQUIRER.  From the date hereof until the Effective
Time, except as expressly contemplated by this Agreement, without the prior
written consent of Seller, Acquirer will not, and will cause each of its
Subsidiaries not to:

        (a)  DELAY.  Willfully take any action Acquirer knows or should know
    would materially adversely affect or delay the ability of Seller or Acquirer
    to perform any of their respective obligations under this Agreement or to
    consummate the Merger.

        (b)  ADVERSE ACTIONS.

               (i) Take any action while knowing that such action would, or
           would be reasonably likely to, prevent or impede the Merger from
           qualifying as a reorganization within the meaning of Section 368 of
           the Code.

               (ii) Knowingly take any action not otherwise specifically
           permitted by this Agreement that is intended or is reasonably likely
           to result in (A) 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, (B) any of the conditions
           to the Merger set forth in Article VII not being satisfied, or (C) a
           material 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

    5.01  DISCLOSURE SCHEDULE.  On or prior to the date hereof, Seller has
delivered to Acquirer a schedule (the "Disclosure Schedule") setting forth,
among other things, items the disclosure of which is necessary 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 has had or will have a Material Adverse Effect.

    5.02  STANDARD.  No representation or warranty of Seller or Acquirer
contained in Section 5.03 or 5.04, respectively, shall be deemed untrue or
incorrect for any purpose under this Agreement, 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, event or
circumstance, 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 would be reasonably expected to have a Material
Adverse Effect on the party making such representation or warranty; provided,
however that the

                                      A-11
<PAGE>
representations and warranties of Seller contained in Sections 5.03(b) and
(e) shall be true and correct in all respects without qualification by the
standard set forth in this Section 5.02.

    5.03  REPRESENTATIONS AND WARRANTIES OF SELLER.  Subject to Sections 5.01
and 5.02 and except as Previously Disclosed, Seller hereby represents and
warrants to Acquirer:

    (a)  ORGANIZATION, STANDING AND AUTHORITY.  Seller is a state chartered
banking corporation duly organized, validly existing and in good standing under
the laws of the State of California. Seller is duly licensed and 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 licensed and qualified. Seller
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. The copies of the Seller Articles and Seller
By-Laws which have been provided to Acquirer prior to the date of this Agreement
are correct and complete and reflect all amendments made thereto through the
date hereof. True and correct copies of the minute books of Seller have been
made available to Acquirer and fairly and accurately reflect all material
corporate action taken by the Seller Board and the shareholders of Seller since
December 31, 1996. To Seller's Knowledge, Seller is not owned by a bank holding
company as defined under the Bank Holding Company Act of 1956, as amended.

    (b)  SELLER CAPITAL STOCK.  As of the date of this Agreement, the authorized
capital stock of Seller consists solely of 3,000,000 shares of Seller Common
Stock. As of the date of this Agreement, there were 2,610,973 shares of Seller
Common Stock issued and outstanding. As of the date of this Agreement, no shares
of Seller Common Stock were held in treasury by Seller or otherwise owned by
Seller, and no shares of Seller Common Stock were reserved for issuance. All of
the issued and outstanding shares of Seller Common Stock have been duly
authorized and validly issued and are fully paid, nonassessable and free of
preemptive rights, with no personal liability attaching to the ownership
thereof. As of the date of this Agreement, Seller does not have any Rights
issued or outstanding with respect to any shares of Seller Common Stock or any
other equity securities of Seller. Seller has not authorized or issued any
indebtedness, instrument, contract or other arrangement that could be treated as
equity of the Seller under United States federal income tax law. Additionally,
Seller has no outstanding stock, indebtedness, instrument, contract or
arrangement that Seller has treated as debt for United States federal income tax
purposes but not debt for other purposes.

    (c)  NO SUBSIDIARIES; OWNERSHIP OF OTHER SECURITIES.  Seller does not have
any Subsidiaries. Seller 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 (i) securities held
pursuant to the asset liability management policy of Seller or (ii) in
satisfaction of a debt previously contracted.

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

    (e)  CORPORATE AUTHORITY.  Subject in the case of this Agreement to receipt
of the requisite approval by the holders of two-thirds of the outstanding shares
of Seller Common Stock entitled to vote thereon (which is the only shareholder
vote required thereon), this Agreement and the transactions contemplated hereby
have been authorized by all necessary corporate action of each of Seller and the
Seller Board on or prior to the date hereof and no other corporate proceedings
on the part of Seller are necessary to authorize this Agreement and the
transactions contemplated hereby. This Agreement is a valid and legally binding
obligation of Seller, enforceable in accordance with its respective terms
(except as enforceability may be limited by 12 U.S.C. 1818(b)(6)(D) or
applicable bankruptcy, insolvency, reorganization, moratorium, fraudulent
transfer and similar laws of general applicability relating to or affecting
creditors' rights generally or by general equity principles). The

                                      A-12
<PAGE>
Seller Board has received the opinion of Banc of America Securities LLC to the
effect that as of the date hereof the consideration to be received by the
holders of Seller Common Stock in the Merger is fair to the holders of Seller
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 Seller in connection with the execution, delivery or
       performance by Seller of this Agreement or to consummate the transactions
       contemplated hereby, except for: (A) filings of applications or notices
       with the FRB, the OCC and the DFI; (B) filings with the SEC and state
       securities authorities and the approval of the listing on the NYSE of
       Acquirer Common Stock to be issued in the Merger; (C) the approval of the
       principal terms of this Agreement by the shareholders of Seller; (D) the
       filing of the Agreement to Merge as contemplated in Section 2.01(b). As
       of the date hereof, Seller is not aware of any reason why the approvals
       set forth in Section 7.01(b) will not be received.

           (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 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,
           arrangement, understanding, indenture or instrument of Seller or to
           which Seller or any of its properties is subject or bound,

               (B) constitute a breach or violation of, or a default under, the
           Seller Articles or the Seller By-Laws, or

               (C) require any consent or approval under any such law, rule,
           regulation, judgment, decree, order, governmental permit or license,
           agreement, arrangement, understanding, indenture or instrument.

    (g)  FINANCIAL STATEMENTS.  Seller has furnished Acquirer with copies of the
balance sheet of Seller as of June 30, 1999 (the "Latest Seller Balance Sheet")
and the related statements of income for the six-month period then ended and the
balance sheets of Seller as of December 31, 1999, 1998 and 1997 and the related
statements of income, cash flow and changes in financial position for the years
then ended (collectively, together with any notes thereto, the "Seller Financial
Statements"). The Seller Financial Statements have been prepared in accordance
with GAAP applied on a consistent basis during the periods involved. The Seller
Financial Statements fairly present the financial position of Seller as of the
dates thereof and the results of operations and, as applicable, cash flows and
changes in financial position for the periods then ended, subject in the case of
the Latest Seller Balance Sheet and statements of income related thereto to
recurring year-end audit adjustments normal in nature and amount. The Seller
Financial Statements, other than the Latest Seller Balance Sheet and the
statements of income related thereto, have been audited by Deloitte Touche
Tohmatsu.

    (h)  NO MATERIAL ADVERSE CHANGES.  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 this
Section 5.03 or otherwise), has had or would reasonably be expected to have a
Material Adverse Effect with respect to Seller.

    (i)  ABSENCE OF UNDISCLOSED LIABILITIES.  All of the obligations or
liabilities (whether accrued, absolute, contingent, unliquidated or otherwise,
whether due or to become due, and regardless of when

                                      A-13
<PAGE>
asserted, including Taxes with respect to or based upon transactions or events
heretofore occurring) ("Liabilities"), required to be reflected in the balance
sheets of Seller in accordance with GAAP have been so reflected. Seller has no
Liabilities except (a) as reflected in Latest Seller Balance Sheet,
(b) Liabilities which have arisen after the date of the Latest Seller Balance
Sheet in the ordinary course of business (including, without limitation, deposit
obligations), none of which (other than deposit obligations) is a material
uninsured liability, and (c) as otherwise Previously Disclosed.

    (j)  LITIGATION.  No litigation, claim or other proceeding before any court
or Governmental Authority is pending against Seller and, to Seller's Knowledge,
no such litigation, claim or other proceeding has been threatened. Seller is not
subject to any outstanding order, writ, injunction or decree.

    (k)  REGULATORY MATTERS.

           (i) Seller is not a party to or 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 Governmental 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
       OCC, the FRB, the FDIC and/or any other state regulatory agencies)
       (collectively, the "Regulatory Authorities").

           (ii) Seller has not 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.

          (iii) Since December 31, 1996, Seller has filed each report or other
       filing that it was required to file with any federal or state banking or
       other applicable Regulatory Authorities having jurisdiction over it
       (together with all exhibits thereto, the "Seller Regulatory Reports").
       Seller has provided or made available to Acquirer copies of all of the
       Seller Regulatory Reports. As of their respective dates or as
       subsequently amended prior to the date hereof, each of the Seller
       Regulatory Reports was true and correct and complied with the
       requirements of the applicable form for each such Seller Regulatory
       Report.

    (l)  COMPLIANCE WITH LAWS; PERMITS.  Seller:

           (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 on behalf of Seller, including, without limitation, to the
       extent applicable if at all, the Equal Credit Opportunity Act, the Fair
       Housing Act, the Community Reinvestment Act, the Occupational Safety and
       Health Act of 1970, the Federal Deposit Insurance Act, as amended, the
       Real Estate Settlement Procedures Act, the Federal Reserve Act, the Home
       Mortgage Disclosure Act of 1975, the Home Owners Loan Act (each as
       amended) and all other applicable fair lending laws and other laws
       relating to the business practices of Seller;

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

          (iii) is in compliance with the provisions of its articles of
       incorporation or association or similar governing document and its
       by-laws; and

                                      A-14
<PAGE>
           (iv) has received, since December 31, 1996, no notification or
       communication from any Governmental Authority (A) asserting that Seller
       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.

    (m)  MATERIAL CONTRACTS; DEFAULTS.  Except for those agreements and other
documents Previously Disclosed, Seller is not a party to, bound by or subject to
any agreement, contract, arrangement, commitment or understanding (whether
written or oral) that is a Material Contract. Seller is not in default and no
circumstances exist under which by notice or passage of time (or both) it would
be in default under any Material Contract to which it is a party, by which its
assets, business, or operations may be bound or affected, or under which it or
its 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. To Seller's Knowledge, there has been no
default, cancellation or breach by any other party to any Material Contract or
insurance policy to which Seller is a party. To Seller's Knowledge, no material
customer of Seller has indicated that it will stop or decrease the rate of
business done with Seller (except for changes in the ordinary course of such
business).

    (n)  NO BROKERS.  No action has been taken by Seller 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, other than the fee to be paid to Banc of America Securities LLC as
Previously Disclosed.

    (o)  EMPLOYEES.  To Seller's Knowledge, as of the date of this Agreement
there is no announced or anticipated resignation of any officer of Seller with a
title of Vice President or above. Seller has complied with all laws relating to
the employment of labor, including provisions thereof relating to wages, hours,
equal opportunity, collective bargaining and non-discrimination.

    (p)  EMPLOYEE BENEFIT PLANS.

        (i) Seller's Disclosure Schedule contains a complete list of all bonus,
    vacation, deferred compensation, pension, retirement, profit-sharing,
    thrift, savings, employee stock ownership, stock bonus, stock purchase,
    restricted stock, stock appreciation and stock option plans, all employment
    or severance contracts, all medical, dental, disability, severance, health
    and life plans, all other employee benefit and fringe benefit plans,
    contracts or arrangements and any "change of control" or similar provisions
    in any plan, contract or arrangement maintained or contributed to by Seller
    for the benefit of officers, former officers, employees, former employees,
    directors, former directors, or the beneficiaries of any of the foregoing
    (collectively, "Compensation and Benefit Plans"). Under the applicable terms
    of the Compensation and Benefit Plans, Seller may amend or terminate any
    such Compensation and Benefit Plans at any time without incurring any
    liability thereunder.

                                      A-15
<PAGE>
        (ii) True and complete copies of the Compensation and Benefit Plans,
    including, but not limited to, any trust instruments and/or insurance
    contracts, if any, forming a part thereof, and all amendments thereto have
    been supplied or made available to Acquirer.

       (iii) Each of the Compensation and Benefit Plans has been administered in
    material compliance with the terms thereof. All "employee benefit plans"
    within the meaning of Section 3(3) of ERISA, other than "multiemployer
    plans" within the meaning of Section 3(37) of ERISA ("Multiemployer Plans"),
    covering employees or former employees of Seller (its "Plans"), to the
    extent subject to ERISA, are in material compliance with ERISA, the Code,
    the Age Discrimination in Employment Act and other applicable laws. Each
    Compensation and Benefit Plan of Seller which is an "employee pension
    benefit plan" within the meaning of Section 3(2) of ERISA (a "Pension Plan")
    and which is intended to be qualified under Section 401(a) of the Code has
    received a favorable determination letter from the Internal Revenue Service,
    any voluntary employees' beneficiary association used to fund Compensation
    and Benefit Plans has received an exemption letter from the Internal Revenue
    Service, and Seller is not aware of any circumstances reasonably likely to
    result in the revocation or denial of any such favorable determination
    letter. There is no pending or, to its knowledge, threatened litigation or
    governmental audit, examination or investigation relating to the Plans. For
    purposes of this Section 5.03(p)(iii), any failure to comply with the terms
    the Compensation and Benefit Plans or the requirements of ERISA or the Code,
    which failure would result in a fine or penalty shall be deemed to be
    "material."

        (iv) No liability under Title IV of ERISA has been or is expected to be
    incurred by Seller 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 Seller, or any entity which is
    considered one employer with Seller under Section 4001(a)(14) of ERISA or
    Section 414 of the Code (an "ERISA Affiliate"). Neither Seller nor any
    former Subsidiary of Seller nor any ERISA Affiliate of any of them presently
    contributes to a Multiemployer Plan or a multiple employer plan (as
    described in Section 4064(a) of ERISA), nor have any of them contributed to
    such a plan within this calendar year and the preceding five calendar years.
    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 of Seller or by any ERISA
    Affiliate within the past 12 months.

        (v) All contributions, premiums and payments required to have been made
    under the terms of any Compensation and Benefit Plan of Seller have been
    made. Neither any Pension Plan of Seller nor any single-employer plan of an
    ERISA Affiliate of Seller has an "accumulated funding deficiency" (whether
    or not waived) within the meaning of Section 412 of the Code or Section 302
    of ERISA. Seller has not provided, nor is it 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.

        (vi) Under each Pension Plan of Seller 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
    Pension Plan's most recent actuarial valuation) did not exceed the then
    current value of the assets of such Pension Plan, and there has been no
    adverse change in the financial condition of such Pension Plan (with respect
    to either assets or benefits) since the last day of the most recent plan
    year.

       (vii) Seller does not have any obligations under any Compensation and
    Benefit Plans to provide benefits, including death or medical benefits, with
    respect to employees of it beyond their retirement or other termination of
    service other than (A) coverage mandated by Part 6 of Title I of ERISA or
    Section 4980B of the Code, (B) retirement or death benefits under any
    employee pension benefit plan (as defined under Section 3(2) of ERISA),
    (C) disability benefits under any

                                      A-16
<PAGE>
    employee welfare plan that have been fully provided for by insurance or
    otherwise, or (D) benefits in the nature of severance pay.

      (viii) Except as set forth in Seller's Disclosure Schedule, neither the
    execution and delivery of this Agreement nor the consummation of the
    transactions contemplated hereby will (A) result in any payment (including,
    without limitation, severance, unemployment compensation, golden parachute
    or otherwise) becoming due to any current or former director or employee of
    it under any Compensation and Benefit Plan or otherwise from it,
    (B) increase any benefits otherwise payable under any Compensation and
    Benefit Plan or (C) result in any acceleration of the time of payment or
    vesting of any such benefit.

        (ix) No Compensation and Benefit Plan, separately or in the aggregate,
    requires or would result in the payment of any "excess parachute payments"
    within the meaning of Section 280G of the Code, and the consummation of the
    transactions contemplated by this Agreement will not be a factor in causing
    payments to be made by Acquirer or Seller that are not deductible (in whole
    or in part) under Section 280G of the Code.

    (q)  LABOR MATTERS.  Seller is not a party to nor bound by any collective
bargaining agreement, contract or other agreement or understanding with a labor
union or labor organization, nor is it the subject of a proceeding asserting
that it has committed an unfair labor practice (within the meaning of the
National Labor Relations Act) or seeking to compel it 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, to Seller's Knowledge, threatened, nor to
Seller's Knowledge is there any activity involving any employee of Seller
seeking to certify a collective bargaining unit or engaging in other
organizational activity.

    (r)  PROPERTIES.

        (i) Seller owns good and marketable title to all of the real property
    and all of the personal property, fixtures, furniture and equipment owned by
    it as reflected in the Latest Seller Balance Sheet (other than real property
    reflected in the Latest Seller Balance Sheet as OREO), free and clear of all
    liens and encumbrances, except for (A) mortgages on real property as
    Previously Disclosed, (B) encumbrances which do not materially affect the
    value of, or interfere with the past or future use or ability to convey, the
    property subject thereto or affected thereby, (C) liens for current taxes
    and special assessments not yet due and payable, (D) leasehold estates with
    respect to multi-tenant buildings owned by it, (E) mechanic's, materialman's
    and other liens imposed by operation of law, and (F) property disposed of
    since the date of the Latest Seller Balance Sheet in the ordinary course of
    business; PROVIDED, HOWEVER, that no disposal of any fee interest in real
    property housing Seller branches, loan offices or offices engaged in Seller
    operations shall be considered to be in the ordinary course of business.

        (ii) Seller has previously made available to Acquirer complete and
    accurate copies of each of the real estate leases of Seller, including all
    amendments and modifications thereto (the "Leases"). As of the date of this
    Agreement, the Leases are in full force and effect, and Seller has valid and
    existing leasehold interests under the Leases for the terms set forth
    therein. With respect to the Leases, Seller is not in default, and, to
    Seller's Knowledge, none of the other parties to any of the Leases is in
    default, and, to Seller's Knowledge, no circumstances (not in the control of
    Seller) exist which could result in such a default under any of such Leases.

       (iii) The rent rolls previously made available to Acquirer are true and
    correct in all material respects and describe all occupancies and the
    material terms of each occupancy as of the dates thereof.

        (iv) All of the buildings, fixtures, furniture and equipment necessary
    for the conduct of the business of Seller are in good condition and repair,
    ordinary wear and tear excepted, and are usable in the ordinary course of
    business. Seller owns, or leases under valid leases, all buildings,

                                      A-17
<PAGE>
    fixtures, furniture, personal property, land improvements and equipment
    necessary for the conduct of its business as it is presently being
    conducted.

    (s)  ENVIRONMENTAL MATTERS.  To Seller's Knowledge, neither the conduct nor
operation of Seller nor any condition of any property presently or previously
owned, leased or operated by it (including, without limitation, in a fiduciary
or agency capacity), violates or violated Environmental Laws and to Seller's
Knowledge, no condition has existed or event has occurred with respect to it or
any such property that, with notice or the passage of time, or both, is
reasonably likely to result in liability under Environmental Laws. Seller has
not received any written notice from any Person that it or the operation or
condition of any property ever owned, leased, operated, or held as collateral or
in a fiduciary capacity by it is or was in violation of or otherwise is 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.
To Seller's Knowledge, no Hazardous Substances (as defined below) have been
deposited or disposed of in, on or under Seller's owned or leased properties
(including properties owned, managed or controlled by Seller in connection with
its lending or fiduciary operations).

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:

        (i) the protection or restoration of the environment, health, safety, or
    natural resources;

        (ii) the handling, use, presence, disposal, release or threatened
    release of any Hazardous Substance; or

       (iii) 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:

        (i) listed, classified or regulated pursuant to any Environmental Law;

        (ii) any petroleum product or by-product, asbestos-containing material,
    lead-containing paint or plumbing, polychlorinated biphenyls, radioactive
    materials or radon; or

       (iii) any other substance which is or may be the subject of regulatory
    action by any Governmental Authority in connection with any Environmental
    Law.

    (t)  TAX MATTERS.  Seller and all members of any consolidated, affiliated,
combined or unitary group of which Seller is or at any time was a member have
filed or will file all Tax Returns required to be filed (taking into account
permissible extensions) by them on or prior to the Effective Time, and have paid
(or have accrued or will accrue, prior to the Effective Time, amounts for the
payment of) all Taxes relating to the time periods covered by such returns and
reports. The accrued taxes payable accounts for Taxes reflected on the Latest
Seller Balance Sheet (or the notes thereto) are sufficient for the payment of
all unpaid Taxes of Seller accrued for or applicable to all periods ended on or
prior to the date of the Latest Seller Balance Sheet or which may subsequently
be determined to be owing with respect to any such period. Seller has not waived
any statute of limitations with respect to Taxes or agreed to any extension of
time with respect to an assessment or deficiency for Taxes. Seller has paid or
will pay in a timely manner and as required by law all Taxes due and payable by
it or which it is obligated to withhold from amounts owing to any employee or
third party. All Taxes which will be due and payable, whether now or hereafter,
for any period ending on, prior to or including the Effective Time, shall have
been paid by or on behalf of Seller or shall be reflected on the books of Seller
as an accrued Tax liability determined in a manner which is consistent with past
practices and the Latest Balance Sheets, without taking account of the Merger.
There are no unresolved questions, claims or disputes asserted by any relevant
taxing authority concerning the liability for Taxes of Seller. Seller has

                                      A-18
<PAGE>
not made an election under Section 341(f) of the Code for any taxable years not
yet closed for statute of limitations purposes. In the five years prior to the
date of this Agreement, no demand or claim has been made against Seller with
respect to any Taxes arising out of membership or participation in any
consolidated, affiliated, combined or unitary group of which Seller was at any
time a member. As of the date hereof, Seller has no 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.

    (u)  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 Seller's own account, or for
the account of one or more of its customers (all of which are listed on Seller'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 the
other party thereto 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.

Seller is not, nor to Seller's Knowledge, is any other party thereto, in breach
of any of its obligations under any such agreement or arrangement.

    (v)  BOOKS AND RECORDS.  The books and records of Seller prepared on or
after December 31, 1996, 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.

    (w)  LOAN PORTFOLIO.

        (i) Seller is not a party to any written or oral (A) loan agreement,
    note or borrowing arrangement (including, without limitation, leases, credit
    enhancements, commitments, guarantees and interest-bearing assets)
    (collectively, "Loans"), other than Loans the unpaid unguaranteed principal
    balance of which does not exceed $250,000, under the terms of which the
    obligor was, as of June 30, 1999, over 90 days delinquent in payment of
    principal or interest or in default of any other provision, or (B) Loan with
    any director, executive officer or five percent or greater shareholder of
    Seller, or to Seller's Knowledge, any Person controlling, controlled by or
    under common control with any of the foregoing. Seller's Disclosure Schedule
    sets forth (x) all of the Loans with original unguaranteed principal amounts
    in excess of $250,000 of that as of June 30, 1999, were classified by any
    bank examiner (whether regulatory or internal) as "Other Loans Specially
    Mentioned", "Special Mention", "Substandard", "Doubtful", "Loss",
    "Classified", "Criticized", "Credit Risk Assets", "Concerned Loans", "Watch
    List" or words of similar import, together with the principal amount of and
    accrued and unpaid interest on each such Loan and the identity of the
    borrower thereunder, (y) by category of Loan (i.e., commercial, consumer,
    etc.), all of the other Loans of Seller that as of June 30, 1999, were
    classified as such, together with the aggregate principal amount of and
    accrued and unpaid interest on such Loans by category and (z) each asset of
    Seller that as of June 30, 1999, was classified as "Other Real Estate Owned"
    and the book value thereof.

        (ii) The documentation relating to each Loan and relating to all
    security interests, mortgages and other liens with respect to all collateral
    for each such Loan, taken as a whole, is adequate for the enforcement of the
    material terms of each such Loan and of the related security interests,
    mortgages and other Liens. The terms of each such Loan and of the related
    security interests,

                                      A-19
<PAGE>
    mortgages and other Liens comply in all material respects with all
    applicable laws, rules and regulations (including, without limitation, laws,
    rules and regulations relating to the extension of credit).

    (x)  INSURANCE.  Seller's Disclosure Schedule lists each insurance policy
maintained by Seller with respect to its properties and assets. Prior to the
date hereof, Seller has provided or made available to Acquirer complete and
accurate copies of each of the insurance policies described on Seller's
Disclosure Schedule. All such insurance policies are in full force and effect,
and Seller is not in default with respect to its obligations under any of such
insurance policies.

    (y)  AFFILIATE TRANSACTIONS.  None of Seller or its executive officers or
directors, or, to Seller's Knowledge, any member of the immediate family of any
such executive officer or director (which for the purposes hereof shall mean a
spouse, minor child or adult child living at the home of any such executive
officer or director), or, to Seller's Knowledge, any entity which any of such
persons "controls" (within the meaning of Regulation O of the FRB), has any
agreement with Seller (other than employment arrangements or deposit account
relationships) or any interest in any property, real, personal or mixed,
tangible or intangible, used in or pertaining to the business of Seller.

    (z)  NO FIDUCIARY ACCOUNTS.  Seller does not act as a fiduciary for any
accounts, as a trustee, agent, custodian, personal representative, guardian,
conservator, investment advisor or otherwise.

    (aa)  MILLENNIUM COMPLIANCE.  All hardware and software, whether embedded or
otherwise, used or licensed for use in the business of Seller as presently
conducted is Millennium Compliant or will be Millennium Compliant by a date so
that the business, operations or financial condition of Seller or the Surviving
Entity will not be adversely affected. Seller is undertaking all reasonable
efforts necessary to determine whether any third party with whom Seller has a
material business relationship has software that is Millennium Compliant and to
replace all such material business relationships (other than its relationships
with borrowers) where, in the judgment of Seller, software that is Millennium
Compliant is not present and will not be present in time to avoid processing
failures or errors that would have a detrimental impact on such third party that
could be detrimental to Seller or the Surviving Entity.

    As used in this Agreement, "Millennium Compliant" shall mean that neither
performance nor functionality is affected by dates prior to, during, spanning,
or after January 1, 2000, and shall include, but not be limited to:
(i) accurately processing (including, but not limited to, calculating, comparing
and sequencing) date/time data from, into and between the twentieth and
twenty-first centuries and the years 1999 and 2000 and leap year calculations;
(ii) functioning without error, interruption, or decreased performance relating
to such date/time data; (iii) accurately processing such date/time data when
used in combination with other technology; (iv) accurate date/time data century
recognition; (v) calculations that accurately use same century and multi-century
formulas and date/time values; (vi) date/time interface values that reflect the
correct century; and (vii) processing, storing, receiving and outputting all
date/time data in a format that accurately indicates the century of the
date/time data.

                                      A-20
<PAGE>
    (bb)  TAKEOVER LAWS.  Seller has taken all action required to be taken by it
in order to exempt this Agreement and the transactions contemplated hereby from
the requirements of any applicable "moratorium", "control share", "fair price"
or other antitakeover laws and regulations of any state (collectively, "Takeover
Laws").

    5.04  REPRESENTATIONS AND WARRANTIES OF ACQUIRER.  Subject to Section 5.02,
Acquirer hereby represents and warrants to Seller as follows:

    (a)  ORGANIZATION, STANDING AND AUTHORITY.

        (i) Acquirer is a corporation duly organized, validly existing and in
    good standing under the laws of the State of Delaware. Acquirer is duly
    registered as a bank holding company under the Bank Holding Company Act of
    1956, as amended. Acquirer and each of its Significant Subsidiaries is duly
    licensed and 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 licensed and qualified. Acquirer 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.

        (ii) US Bank is duly organized, validly existing and in good standing as
    a national banking association under the federal laws of the United States.
    US Bank is duly licensed and qualified to do business and 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 licensed and qualified.

    (b)  ACQUIRER CAPITAL STOCK.  As of the date of this Agreement, the
authorized capital stock of Acquirer consists solely of 1,500,000,000 shares of
Acquirer Common Stock and 50,000,000 shares of preferred stock, par value $1.00
per share ("Acquirer Preferred Stock"). As of June 30, 1999, there were
744,797,857 shares of Acquirer Common and 55,907 shares of Acquirer Preferred
Stock issued and outstanding. As of June 30, 1999, 19,775,013 shares of Acquirer
Common Stock were held by Acquirer in treasury or were otherwise owned by
Acquirer. As of June 30, 1999, no shares of Acquirer Common Stock or Acquirer
Preferred Stock were reserved for issuance, except that 104,255,734 shares of
Acquirer Common Stock were reserved for issuance pursuant to Acquirer's employee
and director stock purchase and option plans, dividend reinvestment plan and
Term Participating Preferred Stock rights, 87,953 shares were reserved for
issuance under outstanding warrants to purchase Acquirer Common Stock and
45,000,000 shares were reserved for issuance upon exercise of the Periodic Stock
Purchase Rights and Risk Event Warrants of Acquirer. As of June 30, 1999, there
were 12,750 shares of Acquirer Preferred Stock reserved for issuance. All of the
issued and outstanding shares of Acquirer Common Stock have been duly authorized
and validly issued and are fully paid, nonassessable and free of preemptive
rights, with no personal liability attaching to the ownership thereof. As of the
date of this Agreement, except as referred to above, Acquirer does not have any
Rights issued or outstanding with respect to any shares of Acquirer Common Stock
or Acquirer Preferred Stock or any other equity securities of Acquirer. The
shares of Acquirer Common Stock to be issued pursuant to the Merger will be duly
authorized and validly issued and, at the Effective Time, all such shares will
be fully paid, nonassessable and free of preemptive rights, with no personal
liability attaching to the ownership thereof.

    (c)  CORPORATE POWER.  Each of Acquirer and its Subsidiaries has the
corporate power and authority to carry on its business as it is now being
conducted and to own all of its properties and assets; and Acquirer 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 each of
Acquirer and the Acquirer Board on or prior to

                                      A-21
<PAGE>
the date hereof and no other corporate proceedings on the part of Acquirer are
necessary to authorize this Agreement and the transactions contemplated hereby.
This Agreement is a valid and legally binding agreement of Acquirer, enforceable
in accordance with its terms (except as enforceability may be limited by 12
U.S.C. 1818(b)(6)(D) and by applicable bankruptcy, insolvency, reorganization,
moratorium, fraudulent transfer and similar laws of general applicability
relating to or affecting creditors' rights generally 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 Acquirer or any of its Subsidiaries in connection with the
    execution, delivery or performance by Acquirer of this Agreement or to
    consummate the transactions contemplated hereby except for: (A) filing of
    applications or notices with the FRB, the OCC and the DFI; (B) filings with
    the SEC and state securities authorities and the approval of the listing on
    the NYSE of Acquirer Common Stock to be issued in the Merger; (C) the
    approval of the principal terms of this Agreement by the shareholders of
    Seller; and (D) filing the Agreement to Merge as contemplated in
    Section 2.01(b). As of the date hereof, Acquirer is not aware of any reason
    why the approvals set forth in Section 7.01(b) will not be received.

        (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 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 Acquirer or of any of its Subsidiaries or to which Acquirer
       or any of its Subsidiaries or any of their respective 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 Acquirer 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.

    (f)  FINANCIAL REPORTS AND SEC DOCUMENTS; NO MATERIAL ADVERSE CHANGES.

        (i) The SEC Documents of each of the Acquirer and its Subsidiaries, 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 SEC Document of Acquirer or any of its Subsidiaries
    (including any related notes and schedules thereto) fairly presents or will
    fairly present the financial position of the entity or entities to which it
    relates as of its date, and each of the statements of income and changes in
    shareholders' equity and cash flows or equivalent statements in such SEC
    Documents of Acquirer or any of its Subsidiaries (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 the entity or entities to which it relates for
    the periods to which they relate, in each case in accordance with GAAP
    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.

                                      A-22
<PAGE>
        (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 this Section 5.04 or
    otherwise), has had or would reasonably be expected to have a Material
    Adverse Effect with respect to Acquirer and its Subsidiaries, taken as a
    whole.

    (g)  TAX MATTERS.  As of the date hereof, Acquirer has no 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.

    (h)  REGULATORY MATTERS.

        (i) None of Acquirer or 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.

        (ii) None of Acquirer or 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.

    (i)  LITIGATION.  No litigation, claim or other proceeding before any court
or Governmental Authority is pending against Acquirer or any of its Subsidiaries
and, to Acquirer's knowledge, no such litigation, claim or other proceeding has
been threatened. None of Acquirer or its Subsidiaries is subject to any
outstanding order, writ, injunction or decree.

    (j)  COMPLIANCE WITH LAWS; PERMITS.  Each of Acquirer and 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 on
    behalf of Acquirer and its Subsidiaries;

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

       (iii) is in compliance with the provisions of its articles of
    incorporation or association or similar governing document and its by-laws.

    (k)  MILLENNIUM COMPLIANCE.  All hardware and software, whether embedded or
otherwise, used or licensed for use in the business of Acquirer and its
Subsidiaries as presently conducted is Millennium Compliant or will be
Millennium Compliant by a date so that the business, operations or financial
condition of Acquirer and its Subsidiaries will not be adversely affected.
Acquirer is undertaking all reasonable efforts necessary to determine whether
any third party with whom Acquirer has a material business relationship has
software that is Millennium Compliant and to replace all such material business
relationships (other than its relationships with borrowers) where, in the
judgment of Acquirer, software that is Millennium Compliant is not present and
will not be present in time to avoid processing failures or errors that would
have a detrimental impact on such third party that could be detrimental to
Acquirer and its Subsidiaries.

                                      A-23
<PAGE>
                                   ARTICLE VI
                                   COVENANTS

    6.01  REASONABLE BEST EFFORTS.  Subject to the terms and conditions of this
Agreement, each of Seller and Acquirer 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 the 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.

    6.02  SHAREHOLDER APPROVAL.  Seller shall take, in accordance with
applicable law and the Seller Articles and the Seller Bylaws, all action
necessary to convene, an appropriate meeting of shareholders of Seller to
consider and vote upon (i) the approval of the principal terms of this Agreement
and (ii) any other matters required to be approved by the shareholders of Seller
for consummation of the Merger (including any adjournment or postponement, the
"Seller Meeting"), as promptly as practicable after the Registration Statement
is declared effective. Seller Board shall recommend such approval, and Seller
shall take all reasonable lawful action to solicit such approval by its
shareholders. The Seller Board may not withdraw or modify its recommendation
except as expressly permitted by Section 6.06(b).

    6.03  REGISTRATION STATEMENT.

    (a)  REGISTRATION STATEMENT.  Acquirer and Seller agree to cooperate in the
preparation of a registration statement on Form S-4 or other applicable form
(the "Registration Statement") to be filed by Acquirer with the SEC in
connection with the issuance of Acquirer Common Stock in the Merger (including
the proxy statement and prospectus and other proxy solicitation materials of
Seller constituting a part thereof (the "Proxy Statement") and all related
documents). Acquirer 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 Seller and Acquirer 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. Acquirer 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. Seller agrees to
furnish to Acquirer all information concerning Seller, its officers, directors
and shareholders as may be reasonably requested in connection with the
foregoing.

    (b)  QUALITY OF INFORMATION.  Each of Seller, and Acquirer, agrees that none
of the information supplied or to be supplied by it for inclusion or
incorporation by reference in:

           (i) the Registration Statement will, 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, at the date of mailing to shareholders and at the time of the
       Seller 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 not misleading or any statement which, in the
       light of the circumstances under which such statement is made, will be
       false or misleading with respect to any material fact, or which will omit
       to state any material fact necessary in order to make the statements
       therein not false or misleading or necessary to correct any statement in
       any earlier statement in the Proxy Statement or any amendment or
       supplement thereto.

                                      A-24
<PAGE>
        Each of Seller and Acquirer further agrees that if it shall become aware
    prior to the Effective Date of any information furnished by it that would
    cause any of the statements in the Proxy Statement to be false or misleading
    with respect to any material fact, or that it has omitted to state any
    material fact necessary to make the statements therein not false or
    misleading, it shall promptly inform the other party thereof and take the
    necessary steps to correct the Proxy Statement.

    (c)  NOTICES REGARDING REGISTRATION.  Acquirer agrees to advise Seller,
promptly after Acquirer 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 Acquirer 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.

    6.04  PRESS RELEASES.  Each of Seller and Acquirer 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 rules of the stock market where its securities are traded
(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).

    6.05  ACCESS; INFORMATION.

    (a)  ACCESS.  Seller agrees that upon reasonable notice, it shall afford
Acquirer and Acquirer's officers, employees, counsel, accountants and other
authorized representatives, such access during normal business hours throughout
the period prior to the Effective Time to the books, records (including, without
limitation, tax returns and work papers of independent auditors), properties,
personnel and to such other information (including, without limitation, Seller's
Year 2000 contingency plan) as Acquirer may reasonably request and, during such
period, Seller shall furnish promptly to Acquirer (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 Acquirer may
reasonably request. Seller shall not be required to provide access to or to
disclose information where such access or disclosure would violate or prejudice
the rights of its customers, jeopardize any attorney-client privilege or
contravene any law, rule, regulation, order, judgment, decree, fiduciary duty or
binding agreement entered into prior to the date of this Agreement. The parties
hereto will make appropriate substitute disclosure arrangements under
circumstances in which the restrictions of the preceding sentence apply.

    (b)  CONFIDENTIALITY.  All information furnished to Acquirer pursuant to
Section 6.05(a) shall be subject to, and Acquirer shall hold all such
information in confidence in accordance with, the provisions of the
confidentiality agreement dated June 16, 1999 (the "Confidentiality Agreement")
between Acquirer and Seller. Seller shall have the same obligations to Acquirer
with respect to information furnished to Seller by Acquirer.

    (c)  INVESTIGATION.  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.

                                      A-25
<PAGE>
    6.06  ACQUISITION PROPOSALS.

    (a) Seller shall not, and shall cause its officers, directors, agents,
advisors and affiliates not to, solicit or encourage inquiries or proposals with
respect to, or engage in any negotiations concerning, or provide any
confidential information to, or have any discussions with, any person relating
to, any Takeover Proposal. Seller shall immediately cease and cause to be
terminated any activities, discussions or negotiations conducted prior to the
date of this Agreement with any parties other than Acquirer with respect to any
of the foregoing. Seller shall promptly (within 24 hours) advise Acquirer
following the receipt by Seller of any Takeover Proposal and the substance
thereof (including the identity of the person making such Takeover Proposal),
and advise the Acquirer of any developments with respect to such Takeover
Proposal immediately upon the occurrence thereof. Notwithstanding the first
sentence of this Section 6.06(a), in the event that the Seller Board determines
in good faith and in conformity with the written advice of outside counsel,
after Seller has received an unsolicited Takeover Proposal that is a Superior
Proposal, that the failure to do so would result in a breach of Seller Board's
fiduciary duties to Seller's shareholders, Seller may, in response to an
unsolicited request therefor, furnish information with respect to Seller to, and
enter into discussions with, the party making the Superior Proposal pursuant to
a customary confidentiality agreement.

    (b) Except as expressly permitted by this Section 6.06(b), the Seller Board
may not (i) withdraw or modify, or propose publicly to withdraw or modify, in a
manner adverse to Acquirer, the approval or recommendation by the Seller Board
of the Merger or this Agreement, (ii) approve or recommend, or propose publicly
to approve or recommend, any Takeover Proposal, or (iii) cause or authorize
Seller to enter into any letter of intent, agreement in principle, acquisition
agreement or other similar agreement relating to any Takeover Proposal.
Notwithstanding the foregoing, in the event that prior to the date of the Seller
Meeting, the Seller Board determines in good faith, after the Seller has
received a Superior Proposal and in conformity with the written advice of
outside counsel, that failure to do so would result in a breach of its fiduciary
duties to the Seller's shareholders under applicable law, the Seller Board may
upon not less than three business days notice to Acquirer of Seller Board's
intention to do so take any of the actions specified in (i) through (iii) of the
first sentence of this Section 6.06(b) in order concurrently to enter into a
definitive agreement with respect to a Superior Proposal, provided it shall,
concurrently with entering into such agreement, terminate this Agreement
pursuant to the provisions of Section 8.01(g) hereof and pay or cause to be paid
to Acquirer the Termination Fee required by Section 8.03 hereof.

    6.07  AFFILIATE AGREEMENTS.  Seller shall use its reasonable best efforts to
cause each director, executive officer and other Person who is an "affiliate"
(for purposes of Rule 145 under the Securities Act) of Seller to execute and
deliver to Acquirer on or before the date of mailing of the Proxy Statement a
written agreement in the form of Exhibit B hereto.

    6.08  STOCK EXCHANGE LISTING.  Acquirer agrees to use its reasonable best
efforts to list, prior to the Effective Date, on the NYSE, subject to official
notice of issuance, the shares of Acquirer Common Stock to be issued to the
holders of Seller Common Stock in the Merger.

    6.09  REGULATORY APPLICATIONS.

    (a)  COOPERATION WITH FILINGS.  Seller and Acquirer shall cooperate and use
their respective reasonable best efforts (i) to prepare all documentation, to
effect all filings and to obtain all permits, consents, approvals and
authorizations of all third parties and Regulatory Authorities necessary to
consummate the transactions contemplated by this Agreement, including, without
limitation, any such approvals or authorizations required by the FRB, the OCC,
the DFI and any other applicable Regulatory Authority and (ii) to cause the
Merger to be consummated as expeditiously as reasonably practicable. Provided
Seller has cooperated as required above, Acquirer agrees to file the requisite
applications to be filed by it with the FRB, the OCC, the DFI and any other
applicable Regulatory Authority, as promptly as reasonably practicable, and
shall file the initial application with each such

                                      A-26
<PAGE>
Regulatory Authority, to the extent required, within 30 days of the date hereof.
Each of Acquirer and Seller 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 Regulatory
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 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 Regulatory 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)  AGREEMENT TO FURNISH INFORMATION.  Each party agrees, upon request, 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 Regulatory Authority.

    6.10  INDEMNIFICATION; DIRECTORS' AND OFFICERS' INSURANCE.

    (a)  INDEMNIFICATION BY ACQUIRER.  From and after the Effective Time,
Acquirer agrees to indemnify and hold harmless each present and former director,
officer and employee of Seller determined as of the Effective Time (the
"Indemnified Parties"), against any costs or expenses (including reasonable
attorneys' fees), judgments, fines, losses, claims, damages or liabilities
(collectively, "Costs") incurred in connection with any actual or threatened
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) to the fullest extent permitted by the
DGCL and the certificate of incorporation and by-laws of Acquirer. Acquirer
shall also advance expenses as incurred to the fullest extent permitted under
Delaware law, upon receipt of any undertaking required by applicable law.

    (b)  INDEMNIFICATION PROCEDURE.  Any Indemnified Party wishing to claim
indemnification under Section 6.10(a), upon learning of any such claim, action,
suit, proceeding or investigation, shall as promptly as possible notify Acquirer
thereof, but the failure to so notify shall not relieve Acquirer of any
liability it may have to such Indemnified Party if such failure does not
materially prejudice Acquirer. In the event of any such claim, action, suit,
proceeding or investigation (whether arising before or after the Effective
Time):

           (i) Acquirer shall have the right to assume the defense thereof and
       Acquirer shall not be liable to such Indemnified Parties for any legal
       expenses of other counsel or any other expenses subsequently incurred by
       such Indemnified Parties in connection with the defense thereof, except
       that if Acquirer elects not to assume such defense or counsel for the
       Indemnified Parties advises in writing that there are issues which raise
       conflicts of interest between Acquirer and the Indemnified Parties, the
       Indemnified Parties may retain counsel satisfactory to them, and Acquirer
       shall pay the reasonable fees and expenses of one such counsel for the
       Indemnified Parties in any jurisdiction promptly as statements thereof
       are received;

           (ii) the Indemnified Parties will cooperate in the defense of any
       such matter; and

          (iii) Acquirer shall not be liable for any settlement effected without
       its prior written consent (which consent shall not be unreasonably
       withheld); and provided, further, that Acquirer shall not have any
       obligation hereunder to any Indemnified Party when and if a

                                      A-27
<PAGE>
       court of competent jurisdiction shall ultimately determine, and such
       determination shall have become final and nonappealable, that the
       indemnification of such Indemnified Party in the manner contemplated
       hereby is not permitted or is prohibited by applicable law.

    (c)  DIRECTORS' AND OFFICERS' LIABILITY INSURANCE.  For a period of six
years after the Effective Date, Acquirer shall use its best efforts to provide
that portion of directors' and officers' liability insurance that serves to
reimburse officers and directors of Seller (determined as of the Effective Time)
with respect to claims against such officers and directors arising from facts or
events which occurred on or before the Effective Time of at least the same
coverage and amounts, and containing terms and conditions no less advantageous,
as that coverage currently provided by Seller; provided, however, that in no
event shall Acquirer be required to expend more than 200% per annum of the
current amount expended by Seller (the "Insurance Amount") to maintain or
procure such directors and officers insurance coverage; provided, further, that
if Acquirer is unable to obtain the insurance called for by this
Section 6.10(c), Acquirer shall use its reasonable best efforts to obtain as
much comparable insurance as is available for the Insurance Amount; and
provided, further, that officers and directors of Seller may be required to make
application and provide customary representations and warranties to Acquirer's
insurance carrier for the purpose of obtaining such insurance; and provided,
further, that such coverage will have a single aggregate for such six-year
period in an amount not less than the annual aggregate of such coverage
currently provided by Seller.

    (d)  SUCCESSOR LIABILITY.  If Acquirer or any of its successors or assigns
(i) shall consolidate with or merge into any other corporation or entity and
shall not be the continuing or surviving corporation or entity of such
consolidation or merger or (ii) shall transfer all or substantially all of its
properties and assets to any individual, corporation or other entity, then and
in each such case, proper provision shall be made so that the successors and
assigns of Acquirer shall assume the obligations set forth in this
Section 6.10.

    6.11  TAKEOVER LAWS; NO RIGHT TRIGGERED.

    (a) No party shall take any action that would cause the transactions
contemplated by this Agreement to be subject to requirements imposed by any
Takeover Law and each of them shall take all necessary steps within its control
to exempt (or ensure the continued exemption of) the transactions contemplated
by this Agreement from, or if necessary challenge the validity or applicability
of, any applicable Takeover Law, as now or hereafter in effect that purport to
apply to this Agreement or the transactions contemplated hereby.

    (b) Seller shall take all reasonable steps necessary to ensure that the
entering into of this Agreement and the consummation of the transactions
contemplated hereby and any other action or combination of actions, or any other
transactions contemplated hereby, do not and will not result in the grant of any
rights to any Person (i) under the Seller Articles or the Seller By-Laws or
(ii) under any Material Contract agreement to which it is a party (except as
expressly contemplated by the mandatory provisions under the Seller Plans).

    6.12  NOTIFICATION OF CERTAIN MATTERS.  Each of Seller and Acquirer shall
give prompt notice to the other of any fact, event or circumstance known to it
that:

        (i) individually or taken together with all other facts, events and
    circumstances known to it, has had or is reasonably likely to have a
    Material Adverse Effect, or

        (ii) would cause or constitute a material breach of any of its
    representations, warranties, covenants or agreements contained herein.

    6.13  CERTAIN LOANS AND RELATED MATTERS.  Seller will furnish to Acquirer a
complete and accurate list as of the end of each calendar month after June 30,
1999, within 15 business days after the end of each such calendar month, of
(a) all of the periodic internal credit quality reports prepared during such

                                      A-28
<PAGE>
calendar month (which reports will be prepared in a manner consistent with past
practices) of Seller, (b) all loans of Seller classified as non-accrual, as
restructured, as 90 days past due, as still accruing and doubtful of collection
or any comparable classification, (c) all OREO, including in-substance
foreclosures and real estate in judgment, (d) any current repurchase obligations
of Seller with respect to any loans, loan participations or state or municipal
obligations or revenue bonds and (e) any standby letters of credit issued by
Seller.

    6.14  MONTHLY FINANCIAL STATEMENTS.  Seller shall furnish Acquirer with the
balance sheets of Seller as of the end of each calendar month after June 30,
1999 and the related statements of income, within 15 business days after the end
of each such calendar month. Such financial statements shall be prepared on a
basis consistent with the SEC Documents and on a consistent basis during the
periods involved and shall fairly present the financial positions of Seller as
of the dates thereof and the results of operations of Seller for the periods
then ended.

    6.15  TAX MATTERS.  Seller shall file (or cause to be filed) at its own
expense, on or prior to the due date, all Tax returns of Seller, including all
Compensation and Benefit Plan returns and reports, for all Tax periods ending on
or before the Effective Time where the due date for such returns or reports
(taking into account valid extensions of the respective due dates) falls on or
before the Effective Time; PROVIDED, HOWEVER, that Seller shall not file (and
shall cause not to be filed) any such Tax returns, or other returns, elections
or information statements with respect to any liabilities for Taxes (other than
federal, state or local sales, use, withholding or employment tax returns or
statements), or consent to any adjustment or otherwise compromise or settle any
matters with respect to Taxes, without prior consultation with Acquirer;
PROVIDED, FURTHER, that Seller shall not make (and shall cause not to be made)
any election or take any other discretionary position with respect to Taxes, in
a manner inconsistent with past practices, without the prior written approval of
Acquirer.

    6.16  ESTABLISHMENT OF ACCRUALS.  If requested by Acquirer, on the business
day immediately prior to the Effective Time, Seller shall, consistent with GAAP,
establish such additional accruals and reserves as may be necessary to conform
its accounting and credit loss reserve practices and methods to those of
Acquirer (as such practices and methods are to be applied to Seller from and
after the Effective Time) and reflect Acquirer's plans with respect to the
conduct of Seller's business following the Merger and to provide for the costs
and expenses relating to the consummation by Seller of the transactions
contemplated by this Agreement. The establishment of such accruals and reserves
shall not, in and of itself, constitute a breach of any representation or
warranty of Seller contained in this Agreement or constitute a material adverse
change in the business, operations or financial condition of Seller.

    6.17  COORDINATION OF DIVIDENDS.  Until the Effective Time, Seller shall
coordinate with Acquirer the declaration of any dividends or other distributions
with respect to the Seller Common Stock and the record dates and payment dates
relating thereto, it being the intention of the parties that holders of shares
of Seller Common Stock shall not receive more than one dividend, or fail to
receive one dividend, for any single calendar quarter on their shares of Seller
Common Stock (including any shares of Acquirer Common Stock received in exchange
therefor in the Merger).

    6.18  UPDATED DISCLOSURE SCHEDULE.  On a date 15 business days prior to the
Effective Date and on a date two business days prior to the Effective Date,
Acquirer and Seller shall modify their respective Disclosure Schedules to this
Agreement for the purpose of making the representations and warranties to which
any such Disclosure Schedule relates true and correct in all material respects
as of such date, whether to correct any misstatement or omission in any Schedule
or to reflect any additional information obtained by Acquirer or Seller
subsequent to the date any Disclosure Schedule was previously delivered.
Notwithstanding the foregoing, any updated Disclosure Schedule shall not have
the effect of making any representation or warranty contained in this Agreement
true and correct in all material respects for purposes of Sections 7.02(a) and
7.03(a) hereof.

                                      A-29
<PAGE>
    6.19  BENEFIT PLANS.

    (a) Acquirer shall, commencing within a reasonable time after the Effective
Date and continuing for at least one year after the Effective Date, cause former
employees of Seller who, on the Effective Date, become employees of Acquirer,
the Surviving Entity, or the Surviving Entity's subsidiaries ("Continuing
Employees"), to be provided with compensation and employee benefit plans that
are no less favorable in the aggregate than those provided to other similarly
situated employees of Acquirer or the Surviving Entity; provided, however, that
it is understood and agreed that Acquirer shall provide severance benefits under
the general severance pay program of Acquirer (rather than the severance pay
program of Seller), modified so that the benefit amount payable to Continuing
Employees whose qualifying termination of employment occurs on or before the
first anniversary of the Effective Date is calculated using the severance pay
schedule Previously Disclosed by Acquirer and using the Continuing Employee's
base salary, excluding bonuses, overtime and commissions, immediately before the
Continuing Employee's involuntary separation. From time to time after the
Effective Date, Acquirer may, at its sole discretion, cause all or any of the
Compensation and Benefit Plans maintained by Seller to be discontinued, so long
as the foregoing standard is still met by the aggregate of any remaining
Compensation and Benefit Plans and any other compensation and employee benefit
plans of Acquirer, the Surviving Entity, or the Surviving Entity's subsidiaries
that are provided to the Continuing Employees.

    (b) If a Continuing Employee becomes a participant in any compensation or
employee benefit plan of Acquirer, the Surviving Entity, or the Surviving
Entity's subsidiaries, for which service is taken into account or recognized,
such Continuing Employee shall be given credit under such plan for all service
with Seller from not later than the Continuing Employee's most recent date of
hire prior to the Effective Date by Seller (as provided by Seller to Acquirer
prior to the Effective Date) for purposes of eligibility and vesting, but not
for the purposes of determining benefit accruals or the rate of benefit
accruals, provided that there be shall be no obligation to duplicate any
benefits provided under any Compensation and Benefit Plan of Seller or that
continues in effect following the Effective Date.

    (c) This Section 6.19 is an agreement solely between Seller and Acquirer.
Nothing in this Section 6.19, whether express or implied, shall be considered to
be a contract with any other person, or shall confer upon any employee of
Seller, Seller's Subsidiaries, the Acquirer, the Surviving Entity, or the
Surviving Entity's subsidiaries, any rights or remedies that such person did not
already have, including, but not limited to: (i) any right to employment or
recall, (ii) any right to continued employment, or (iii) any right to claim any
particular compensation, benefit or aggregation of benefits of any kind or
nature whatsoever.

    (d) Unless payment has been made prior to the Effective Date, Acquirer will
pay any annual cash bonuses or incentive payments for 1999 due under Seller's
Compensation and Benefit Plans at the time for such payments as provided in the
applicable Plan, in the amounts and to the persons disclosed to Acquirer prior
to the Effective Date, provided, however, that the aggregate amount of all such
payments shall not exceed $742,000.

                                  ARTICLE VII
                    CONDITIONS TO CONSUMMATION OF THE MERGER

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

    (a)  SHAREHOLDER APPROVAL.  The principal terms of this Agreement and the
Merger shall have been duly adopted by the requisite vote of the shareholders of
Seller.

                                      A-30
<PAGE>
    (b)  REGULATORY APPROVALS.  All regulatory approvals required to consummate
the 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. None of such approvals shall
contain any conditions or restrictions that Acquirer reasonably believes will
materially restrict or limit the business or activities of Acquirer, Seller or
any Subsidiary or have a Material Adverse Effect, or would be reasonably likely
to have a Material Adverse Effect, with respect to Acquirer or Seller.

    (c)  NO INJUNCTION.  No Governmental Authority of competent jurisdiction
shall have enacted, issued, promulgated, enforced or entered any statute, rule
or regulation, or any judgment, decree, injunction or other order (whether
temporary, preliminary or permanent) (an "Injunction") which is in effect and
prohibits consummation of the transactions contemplated by this Agreement.

    (d)  REGISTRATION STATEMENT; NYSE LISTING.  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.
The Acquirer Common Stock to be issued in the Merger shall have been approved
for listing on the NYSE, subject to official notice of issuance.

    (e)  BLUE SKY APPROVALS.  All permits and other authorizations under state
securities laws necessary to consummate the transactions contemplated hereby and
to issue the shares of Acquirer Common Stock to be issued in the Merger shall
have been received and be in full force and effect.

    (f)  NO PENDING GOVERNMENTAL ACTIONS.  No proceeding initiated by any
Governmental Authority seeking an Injunction shall be pending.

    7.02  CONDITIONS TO OBLIGATION OF SELLER.  The obligation of Seller to
consummate the Merger is also subject to the fulfillment or written waiver by
Seller prior to the Effective Time of each of the following conditions:

    (a)  REPRESENTATIONS AND WARRANTIES.  (i) Subject to Section 5.02, the
representations and warranties of Acquirer set forth in this Agreement 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 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 (ii) Seller
shall have received a certificate, dated the Effective Date, signed on behalf of
Acquirer by the Chief Financial Officer of Acquirer to such effect.

    (b)  PERFORMANCE OF OBLIGATIONS OF ACQUIRER.  Acquirer 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 Seller shall have received
a certificate, dated the Effective Date, signed on behalf of Acquirer by the
Chief Financial Officer of Acquirer to such effect.

    (c)  OPINION OF SELLER'S TAX ADVISOR.  Seller shall have received an opinion
from Deloitte Touche Tohmatsu, special tax advisor to Seller, dated as of the
Effective Time, substantially to the effect that, on the basis of the facts,
representations and assumptions set forth in such opinion which are consistent
with the state of facts existing at the Effective Time, the Merger will be
treated for Federal income tax purposes as a reorganization within the meaning
of Section 368(a) of the Code and that accordingly:

        (i) No gain or loss will be recognized by Acquirer or Seller as a result
    of the Merger;

        (ii) No gain or loss will be recognized by the shareholders of Seller
    who exchange their Seller Common Stock for Acquirer Common Stock pursuant to
    the Merger (except with respect to cash received in lieu of a fractional
    share interest in Acquirer Common Stock);

                                      A-31
<PAGE>
       (iii) The tax basis of the Acquirer Common Stock received by the
    shareholders who exchange all of their Seller Common Stock in the Merger
    will be the same as the tax basis of the Seller Common Stock surrendered in
    exchange therefor; and

        (iv) The holding period of the Acquirer Common Stock received by a
    shareholder of Seller pursuant to the Merger will include the period during
    which the Seller Common Stock surrendered therefor was held, provided the
    Seller Common Stock is a capital asset in the hands of the shareholder of
    Seller at the time of the Merger.

    In rendering such opinion, such counsel may require and rely upon
representations and covenants including those contained in certificates of
officers of Acquirer, Seller and others.

    (d)  MATERIAL ADVERSE CHANGE.  Since the date of this Agreement, there shall
have been no material adverse change in, and no event, occurrence or development
in the business of Acquirer or any of its Subsidiaries that, taken together with
other events, occurrences and developments with respect to such business, would
have or would reasonably be expected to have a Material Adverse Effect with
respect to Acquirer and its Subsidiaries, taken as a whole.

    7.03  CONDITIONS TO OBLIGATION OF ACQUIRER.  The obligation of Acquirer to
consummate the Merger is also subject to the fulfillment or written waiver by
Acquirer prior to the Effective Time of each of the following conditions:

    (a)  REPRESENTATIONS AND WARRANTIES.  (i) Subject to Section 5.02, the
representations and warranties of Seller set forth in this Agreement 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 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 (ii) Acquirer
shall have received a certificate, dated the Effective Date, signed on behalf of
Seller by the Chief Executive Officer and the Chief Financial Officer of Seller
to such effect.

    (b)  PERFORMANCE OF OBLIGATIONS OF SELLER.  Seller 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; provided that Seller shall have
performed its agreements contained in Sections 4.01(c) and (d) in all respects;
and Acquirer shall have received a certificate, dated the Effective Date, signed
on behalf of Seller by the Chief Executive Officer and the Chief Financial
Officer of Seller to such effect.

    (c)  OPINION OF ACQUIRER'S COUNSEL.  Acquirer shall have received an opinion
from Dorsey & Whitney LLP, Minneapolis, Minnesota, counsel to Acquirer, dated as
of the Effective Time, substantially to the effect that, on the basis of the
facts, representations and assumptions set forth in such opinion which are
consistent with the state of facts existing at the Effective Time, the Merger
will be treated for Federal income tax purposes as a reorganization within the
meaning of Section 368(a) of the Code and that accordingly:

        (i) No gain or loss will be recognized by Acquirer or Seller as a result
    of the Merger;

        (ii) No gain or loss will be recognized by the shareholders of Seller
    who exchange their Seller Common Stock for Acquirer Common Stock pursuant to
    the Merger (except with respect to cash received in lieu of a fractional
    share interest in Acquirer Common Stock);

       (iii) The tax basis of the Acquirer Common Stock received by the
    shareholders of Seller who exchange all of their Seller Common Stock in the
    Merger will be the same as the tax basis of the Seller Common Stock
    surrendered in exchange therefor; and

        (iv) The holding period of the Acquirer Common Stock received by a
    shareholder of Seller pursuant to the Merger will include the period during
    which the Seller Common Stock surrendered

                                      A-32
<PAGE>
    therefor was held, provided the Seller Common Stock is a capital asset in
    the hands of the shareholder of Seller at the time of the Merger.

    In rendering such opinion, such counsel may require and rely upon
representations and covenants including those contained in certificates of
officers of Acquirer, Seller, and others.

    (d)  MATERIAL ADVERSE CHANGE.  Since the date of this Agreement, there shall
have been no material adverse change in, and no event, occurrence or development
in the business of Seller that, taken together with other events, occurrences
and developments with respect to such business, would have or would reasonably
be expected to have a Material Adverse Effect with respect to Seller.

                                  ARTICLE VIII
                                  TERMINATION

    8.01  TERMINATION.  This Agreement may be terminated, and the Merger may be
abandoned, whether before or after approval of the matters presented in
connection with the Merger by the shareholders of Seller.

    (a)  MUTUAL CONSENT.  At any time prior to the Effective Time, by the mutual
consent of Acquirer and Seller.

    (b)  BREACH.  At any time prior to the Effective Time, by Acquirer or
Seller, upon written notice to the other party, in the event of either:

        (i) a breach by the other party 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 the other party in any material respect 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.

    (c)  DELAY.  At any time prior to the Effective Time, by Acquirer or Seller,
in the event that the Merger is not consummated by March 31, 2000, except to the
extent that the failure of the Merger then to be consummated arises out of or
results from the failure of the party seeking to terminate pursuant to this
Section 8.01(c) to perform or observe the covenants and agreements of such party
set forth herein.

    (d)  NO APPROVAL.  By Seller or Acquirer, 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 Seller Meeting.

    (e)  FAILURE TO RECOMMEND, ETC.  By Acquirer if (i) the Seller 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 Acquirer or recommended or approved
any Takeover Proposal by a party not affiliated with Acquirer or (ii) Seller
shall have entered into any agreement in principle or definitive agreement with
respect to any such Takeover Proposal or (iii) the Seller Board or any committee
thereof shall have resolved to do any of the foregoing.

                                      A-33
<PAGE>
    (f)  FAILURE OF CONDITION.  By either Acquirer or Seller, if any of the
conditions to such party's obligation to consummate the transactions
contemplated in this Agreement shall have become impossible to satisfy.

    (g)  EXECUTION OF DEFINITIVE AGREEMENT BY SELLER.  By Seller in connection
with entering into a definitive agreement providing for a Superior Proposal in
accordance with Section 6.06(b), provided Seller has complied with all
provisions in Section 6.06(b), including payment of the Termination Fee required
by Section 8.03.

    8.02  EFFECT OF TERMINATION AND ABANDONMENT.  In the event of termination of
this Agreement and the abandonment of the Merger pursuant to this Article VIII,
no party to this Agreement shall have any liability or further obligation to any
other party hereunder except (a) as set forth in Sections 8.03 and 9.01, and
(b) that termination will not relieve a breaching party from liability for any
willful breach of this Agreement giving rise to such termination.

    8.03  TERMINATION FEE.  In the event that this Agreement is terminated:

    (a) by Seller pursuant to Section 8.01(g),

    (b) by Acquirer pursuant to Section 8.01(e), or

    (c) by either Acquirer or Seller pursuant to Section 8.01(b) or
       Section 8.01(d)(ii) and both (i) prior to such termination and after the
       date hereof, a Takeover Proposal is publicly announced and (ii) a
       Takeover Proposal is consummated, or an agreement providing for a
       Takeover Proposal is entered into, on or prior to March 1, 2001.

then in any such case Seller shall promptly pay to Acquirer a fee of $5,000,000
(the "Termination Fee") in immediately available funds. Notwithstanding the
foregoing, the Termination Fee shall not be payable at any time when Acquirer
shall be in material breach of any of its covenants or agreements contained in
this Agreement such that Seller shall be entitled to terminate this Agreement
pursuant to Section 8.01(b). Acquirer's right to receive such fee, and ability
to enforce the provisions of this Section 8.03 shall not be subject to approval
by the shareholders of Seller. Upon and after payment of the Termination Fee to
Acquirer, Seller shall not have any liability to Acquirer for any breach
(including a willful breach) by Seller specified in Section 8.01(b).

                                   ARTICLE IX
                                 MISCELLANEOUS

    9.01  SURVIVAL.  No representations, warranties, agreements and covenants
contained in this Agreement shall survive the Effective Time (other than those
covenants and agreements which by their terms apply in whole or in part after
the Effective Time, and this Article IX which shall survive the Effective Time)
or the termination of this Agreement (other than Sections 6.05(b), 8.02 and
8.03, and this Article IX, each of which shall survive such termination).

    9.02  WAIVER; AMENDMENT.

    (a) At any time prior to the Effective Time, each of the parties hereto, by
action taken or authorized by its Board of Directors, may, to the extent legally
allowed, (i) extend the time for the performance of any of the obligations or
other acts of the other party hereto, (ii) waive any inaccuracies in the
representations and warranties of the other party contained herein or in any
document delivered pursuant hereto and (iii) waive compliance with any of the
agreements or conditions of the other party contained herein. Any agreement on
the part of a party hereto to any such extension or waiver shall be valid only
if set forth in a written instrument signed on behalf of such party, but such
extension or waiver or failure to insist on strict compliance with an
obligation, covenant, agreement or condition shall not operate as a waiver of,
or estoppel with respect to, any subsequent or other failure.

                                      A-34
<PAGE>
    (b) Prior to the Effective Time, any provision of this Agreement may be
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
Seller Meeting, this Agreement may not be amended if it would violate the CGCL
or reduce the amount or change the form of the consideration to be received by
Seller shareholders in the Merger.

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

    9.04  GOVERNING LAW.  This Agreement shall be governed by, and interpreted
in accordance with, the laws of the State of Delaware applicable to contracts
made and to be performed entirely within such State (except to the extent that
mandatory provisions of Federal law apply).

    9.05  EXPENSES.  Except as otherwise provided in Section 8.03 hereof, each
party hereto will bear all expenses incurred by it in connection with this
Agreement and the transactions contemplated hereby.

    9.06  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.

<TABLE>
    <S>                            <C>
    If to Seller, to:              Peninsula Bank of San Diego
                                   1331 Rosecrans Street
                                   San Diego, CA 92166
                                   Attention: John G. Rebelo, Jr.
                                   Facsimile: (619) 226-3123

    With a copy to:                Reitner & Stuart
                                   1319 Marsh Street
                                   San Luis Obispo, CA 93401
                                   Attention: Barnet Reitner
                                   Facsimile: (805) 545-8599

    If to Acquirer, to:            U.S. Bancorp
                                   U.S. Bank Place
                                   601 Second Avenue South
                                   Minneapolis, Minnesota 55402
                                   Attention: Lee R. Mitau, Esq.
                                   Facsimile: (612) 973-4333

    With a copy to:                Dorsey & Whitney LLP
                                   Pillsbury Center South
                                   220 South Sixth Street
                                   Minneapolis, Minnesota 55402-1498
                                   Attention: Elizabeth C. Hinck, Esq.
                                   Facsimile: (612) 340-8738
</TABLE>

    9.07  ENTIRE UNDERSTANDING; NO THIRD PARTY BENEFICIARIES.  This Agreement
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, in each case other
than the Confidentiality Agreement. Nothing in this Agreement is intended to
confer upon any Person, other than the parties hereto or their respective
successors, any rights, remedies,

                                      A-35
<PAGE>
obligations or liabilities under or by reason of this Agreement, except that
Section 6.10 shall inure to the benefit of the persons identified therein.

    9.08  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." The phrases "the date of this
Agreement", "the date hereof" and terms of similar import, unless the context
otherwise requires, shall be deemed to refer to September 1, 1999.

    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.

<TABLE>
<S>                                                    <C> <C>
                                                       PENINSULA BANK OF SAN DIEGO

                                                       By
                                                           ------------------------------------------
                                                       Name:
                                                       Title:

                                                       U.S. BANCORP

                                                       By
                                                           ------------------------------------------
                                                       Name: Susan E. Lester
                                                       Title:  Executive Vice President and
                                                             Chief Financial Officer
</TABLE>

                                      A-36
<PAGE>
                                                                       EXHIBIT A

                               AGREEMENT TO MERGE
                                    BETWEEN
                         U.S. BANK NATIONAL ASSOCIATION
                                      AND
                        ________________________________
                              UNDER THE CHARTER OF
                         U.S. BANK NATIONAL ASSOCIATION
                             AND UNDER THE TITLE OF
                         U.S. BANK NATIONAL ASSOCIATION

    THIS AGREEMENT TO MERGE is made as of the   day of          , 1999, between:

        U.S. BANK NATIONAL ASSOCIATION (hereinafter referred to as the "Acquiror
    Bank"), a banking association organized under the laws of the United States,
    being located at 601 Second Avenue South, Minneapolis, Minnesota, with a
    capital of $310 million, divided into 3,100,039 shares of common stock, $100
    par value ("Acquiror Bank Common Stock"), surplus of $      million, and
    undivided profits, including capital reserves, of $      million, calculated
    on a pro forma basis as of          , 1999, and

                                              (hereinafter referred to as
    "Merging Bank"), a corporation organized under the laws of the State of
    California and chartered as a bank under the laws of the State of
    California, being located at             ,             , California       ,
    with a capital of $  million, divided into       shares of common stock, $
    par value ("Merging Bank Common Stock"), surplus of $  million, and
    undivided profits, including capital reserves, of $      million, as of
             , 1999,

each acting pursuant to a resolution of its board of directors, adopted by the
authority given by and in accordance with 12 U.S.C. SectionSection 215a and
1828(c), as amended, and the regulations promulgated thereunder by the Office of
the Comptroller of the Currency ("OCC") with respect to the Acquiror Bank and in
accordance with the California General Corporation Law with respect to the
Merging Bank.

    WITNESSETH AS FOLLOWS:

    SECTION 1.

    The Merging Bank shall be merged into Acquiror Bank under the charter of the
latter, and the merger shall be deemed to be effective, unless otherwise agreed
in writing by the parties hereto, as of the local time that the Merging Bank
closes to the public on          , 1999 (the "Effective Time").

                                      A-37
<PAGE>
    SECTION 2.

    The name of the receiving association (hereinafter referred to as the
"ASSOCIATION") shall be U.S. BANK NATIONAL ASSOCIATION.

    SECTION 3.

    The business of the ASSOCIATION shall be that of a national banking
association. This business shall be conducted by the ASSOCIATION at its main
office, which shall be located at 601 Second Avenue South, City of Minneapolis,
County of Hennepin, State of Minnesota, and at its legally established branch
offices.

    SECTION 4.

    The amount of capital stock of the ASSOCIATION shall be $310 million,
divided into 3,100,039 shares of Acquiror Bank Common Stock. At the Effective
Time, the ASSOCIATION shall have a surplus of $      million, calculated on a
pro forma basis as of March 31, 1999, and undivided profits, including capital
reserves, which when combined with the capital and surplus will be equal to the
combined capital structures of Acquiror Bank and the Merging Bank as stated in
the preamble of this Agreement of Merger, ADJUSTED, HOWEVER, for (a) normal
earnings and expenses, (b) purchase accounting entries, and (c) dividends
permitted by Section 7 of this Agreement between March 31, 1999 and the
Effective Time.

    SECTION 5.

    All assets of Acquiror Bank and the Merging Bank as they exist at the
Effective Time shall pass to and vest in the ASSOCIATION, without any conveyance
or other transfer. The ASSOCIATION shall be responsible for all of the
liabilities of every kind and description, including liabilities arising from
the operation of a trust department, of Acquiror Bank and the Merging Bank
existing as of the Effective Time.

    SECTION 6.

    The manner and basis of converting shares of Acquiror Bank Common Stock, and
Merging Bank Common Stock shall be as follows:

        (a) Acquiror Bank, Merging Bank and U.S. Bancorp, the sole shareholder
    of Acquiror Bank, have entered into an Agreement and Plan of Merger dated as
    of          , 1999 (the "Merger Agreement"), which provides for the
    conversion at the Effective Time of the outstanding Merging Bank Common
    Stock into shares of common stock of U.S. Bancorp at the exchange ratio and
    upon the terms and conditions set forth in Article III of the Merger
    Agreement.

        (b) At and after the Effective Time, each share of Acquiror Bank Common
    Stock issued and outstanding prior to the Effective Time shall remain an
    issued and existing share of the capital stock of the ASSOCIATION and shall
    not be affected by the merger.

    SECTION 7.

    Neither Acquiror Bank nor the Merging Bank shall declare or pay any dividend
to its shareholders between the date of this Agreement and the Effective Time,
nor dispose of any of its assets in any other manner, except in the ordinary
course of business and for adequate value.

                                      A-38
<PAGE>
    SECTION 8.

    The present board of directors of Acquiror Bank shall serve as the board of
directors of the ASSOCIATION and the present officers of the Merging Bank and of
Acquiror Bank shall serve as the officers of the ASSOCIATION, in each case until
the next annual meeting of the ASSOCIATION, or until such time as their
successors have been elected and have qualified.

    SECTION 9.

    The Articles of Association and Bylaws of Acquiror Bank in effect at the
Effective Time shall be the Articles of Association and Bylaws of the
ASSOCIATION.

    SECTION 10.

    The respective obligations of each party to effect the transactions
contemplated by this Agreement shall be subject to the fulfillment at or prior
to the Effective Time of the following conditions:

        (a) Regulatory approval for the consummation of the transactions
    contemplated hereby shall have been obtained from the OCC and any other
    governmental authority from whom approval is required, and all statutory or
    regulatory waiting periods shall have lapsed. None of such approvals shall
    contain any conditions or restrictions that Acquiror Bank or the Merging
    Bank reasonably believes will materially restrict or limit their respective
    businesses or activities or have a material adverse effect on, or would be
    reasonably likely to have a material adverse effect on, the business,
    operations, or financial condition of the ASSOCIATION and its subsidiaries.

        (b) No injunction or other order entered by a state or federal court of
    competent jurisdiction shall have been issued and remain in effect that
    would materially impair the consummation of the transactions contemplated
    hereby.

        (c) There shall have been no law, statute, rule or regulation, domestic
    or foreign, enacted or promulgated that would materially impair the
    consummation of the transactions contemplated hereby.

        (d) This Agreement shall have been ratified and confirmed by (i) the
    affirmative vote of the respective shareholders of Acquiror Bank and the
    Merging Bank in each case owning at least two-thirds of its capital stock at
    meetings to be held on the call of the board of directors of such banks or
    (ii) the written consent of such shareholders without a meeting.

    SECTION 11.

    This Agreement may be executed in any number of counterparts and by
different parties hereto in separate counterparts, all of which taken together
shall constitute one and the same instrument.

                    [Remainder of page left blank intentionally]

                                      A-39
<PAGE>
    WITNESS, the signatures and seals, on counterpart pages, of Acquiror Bank
and the Merging Bank, as of the day and year first above written, each set by an
officer, acting pursuant to a resolution duly adopted by a majority of its
respective board of directors.

                                          U.S. BANK NATIONAL ASSOCIATION

                                          By
                                          --------------------------------------
                                          Name:
- --------------------------------------------------------------------------------
                                          Title:
                                          --------------------------------------

(No Seal)

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

                                          By
                                          --------------------------------------
                                          Name:
- --------------------------------------------------------------------------------
                                          Title:
                                          --------------------------------------

(No Seal)

                                      A-40
<PAGE>
STATE OF MINNESOTA    )
                           ) ss:
COUNTY OF HENNEPIN  )

    On this   day of             , 1999, before me, a notary public for this
State and County, personally came             as             of U.S. BANK
NATIONAL ASSOCIATION and in said capacity has acknowledged this instrument to be
the act and deed of U.S. BANK NATIONAL ASSOCIATION.

    WITNESS my official seal and signature this day and year.

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

                                                      Notary Public

STATE OF                 )
                           ) ss:
COUNTY OF              )

    On this       day of       , 1999 before me, a notary public for this State
and County, personally came             as             of             and in
said capacity acknowledged this instrument to be the act and deed of
            .

    WITNESS my official seal and signature this day and year.

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

                                                      Notary Public

                                      A-41
<PAGE>
                                                                       EXHIBIT B

                          Form of Affiliate Agreement

                                           , 1999

[ACQUIRER]
[Address]

Attention:

Ladies and Gentlemen:

    1.  I have been advised that I might be considered to be an "affiliate," as
that term is defined for purposes of paragraphs (c) and (d) of Rule 145
("Rule 145") promulgated by the Securities and Exchange Commission (the
"Commission") under the Securities Act of 1933, as amended (the "Securities
Act"), of [SELLER], a California corporation ("Seller").

    2.  Pursuant to an Agreement and Plan of Merger dated             , 1999
(the "Agreement"), by and between [ACQUIRER], a Delaware corporation
("Acquirer"), and Seller, it is contemplated that Seller will merge with and
into a wholly-owned subsidiary of Acquirer and that all of the outstanding
common stock, $               par value, of Seller ("Seller Common Stock") will
be converted into common stock, $1.25 par value, of Acquirer ("Acquirer Common
Stock"), all as set forth in the Agreement (the "Merger"). In connection with
the Merger, I will receive my pro rata portion of the shares of Acquirer Common
Stock upon distribution of the Acquirer Common Stock to the holders of Seller
Common Stock.

    3.  I hereby agree as follows:

        a.  I will not offer to sell, transfer or otherwise dispose of any of
    the shares of Acquirer Common Stock distributed to me pursuant to the Merger
    (the "Stock"), except (i) in compliance with the applicable provisions of
    Rule 145, (ii) in a transaction that is otherwise exempt from the
    registration requirements of the Securities Act, (iii) in an offering
    registered under the Securities Act or (iv) an authorized representative of
    the Commission shall have rendered written advice to Affiliate (sought by
    Affiliate or counsel to Affiliate, with a copy thereof and all other related
    communications delivered to Acquirer) to the effect that the Commission
    would take no action, or that the staff of the Commission would not
    recommend that the Commission take any action, with respect to the proposed
    disposition if consummated.

    4.  I consent to the endorsement of the Stock issued to me pursuant to the
Merger with a restrictive legend which will read substantially as follows:

        "The shares represented by this certificate were issued in a transaction
    to which Rule 145 promulgated under the Securities Act of 1933, as amended
    (the "Act"), applies, and may be sold or otherwise transferred only in
    compliance with the limitations of such Rule 145, or upon receipt by
    [Acquirer] of an opinion of counsel reasonably satisfactory to it that some
    other exemption from registration under the Act is available, or pursuant to
    a registration statement under the Act."

    Acquirer's transfer agent shall be given an appropriate stop transfer order
and shall not be required to register any attempted transfer of the shares of
the Stock, unless the transfer has been

                                      A-42
<PAGE>
effected in compliance with the terms of this letter agreement, it being
understood that Acquirer will promptly process all transfer requests effected in
compliance with the terms of this letter agreement.

    5.  It is understood and agreed that this letter agreement shall terminate
and be of no further force and effect and the legend set forth in paragraph 4
above shall be removed by delivery of substitute certificates without such
legend, and the related stop transfer restrictions shall be lifted forthwith, if
(i) any such shares of Stock shall have been registered under the Securities Act
for sale, transfer or other disposition by me or on my behalf and are sold,
transferred or otherwise disposed of, or (ii) any such shares of Stock are sold
in accordance with the provisions of paragraphs (c), (e), (f) and (g) of
Rule 144 promulgated under the Securities Act, or (iii) I am not at the time an
affiliate of Acquirer and have been the beneficial owner of the Stock for at
least one year (or such other period as may be prescribed by the Securities Act
and the rules and regulations promulgated thereunder) and Acquirer has filed
with the Commission all of the reports it is required to file under the
Securities Exchange Act of 1934, as amended (the "Exchange Act"), during the
preceding 12 months, or (iv) I am not and have not been for at least three
months an affiliate of Acquirer and have been the beneficial owner of the Stock
for at least two years (or such other period as may be prescribed by the
Securities Act and the rules and regulations promulgated thereunder), or
(v) Acquirer shall have received a letter from the staff of the Commission, or
an opinion of counsel reasonably acceptable to Acquirer, to the effect that the
stock transfer restrictions and the legend are not required.

    6.  By its acceptance hereof, Acquirer agrees, for a period of two years
after the Effective Date and Effective Time of the Merger, to file on a timely
basis all reports required to be filed by it pursuant to Sections 13 and 15(d)
of the Exchange Act so that the public information provisions of Rule 144(c)
promulgated by the Commission under the Securities Act are satisfied and the
resale provisions of Rule 145(d)(1) and (2) are therefore available to me in the
event I am considered an affiliate of Seller and I desire to transfer any
Acquirer Common Stock issued to me pursuant to the Merger.

    7.  Execution of this letter should not be considered an admission on my
part that I am an "affiliate" of Seller as described in the first paragraph of
this letter or as a waiver of any rights I may have to object to any claim that
I am such an affiliate on or after the date of this letter.

    8.  I have carefully read this letter agreement and the Agreement and have
discussed their requirements and other applicable limitations upon my ability to
offer to sell, transfer or otherwise dispose of shares of the Stock, to the
extent I felt necessary, with my counsel or counsel for Seller.

                                          Sincerely,

                                          --------------------------------------
                                          [Name]

Agreed and accepted this
day of             , 1999, by

[ACQUIRER]

By
- --------------------------------------

   Its
- ----------------------------------

                                      A-43
<PAGE>
                                   APPENDIX B
                   OPINION OF BANC OF AMERICA SECURITIES LLC

August 31, 1999

Board of Directors
Peninsula Bank of San Diego
1331 Rosecrans Street
San Diego, CA 92166

Ladies and Gentlemen:

    We understand that Peninsula Bank of San Diego, a California banking
corporation ("Seller"), and U.S. Bancorp, a Delaware corporation ("Buyer"),
expect to enter into a Merger Agreement to be dated September 1, 1999 (the
"Merger Agreement"), pursuant to which Seller will be merged with and into U.S.
Bank National Association, a wholly owned subsidiary of Buyer, which will be the
surviving entity (the "Merger"). Pursuant to the Merger, as more fully described
in the Merger Agreement, we understand that each outstanding share of the common
stock, no par value per share ("Seller Common Stock"), of Seller will be
converted into and exchangeable for that number of shares of the common stock,
$1.25 par value per share, of Buyer ("Buyer Common Stock") equal to the quotient
of (a) $40.00 divided by (b) the average of the daily closing sales prices of
Buyer Common Stock during the 20 consecutive trading days ending at the end of
the third business day prior to the Effective Date, subject to certain
adjustments as more fully described in the Merger Agreement (the
"Consideration"). The terms and conditions of the Merger are set forth in more
detail in the Merger Agreement.

    You have asked for our opinion as investment bankers as to whether the
Consideration to be received by the shareholders of Seller pursuant to the
Merger is fair to such shareholders from a financial point of view, as of the
date hereof. As you are aware, we were not requested to nor did we solicit or
assist Seller in soliciting indications of interest from third parties for all
or any part of Seller.

    In connection with our opinion, we have, among other things: (i) reviewed
certain publicly available financial and other data with respect to Seller and
Buyer, including the consolidated financial statements for recent years and
interim periods to June 30, 1999 and certain other relevant financial and
operating data relating to Seller and Buyer made available to us from published
sources and from the internal records of Seller; (ii) reviewed the financial
terms and conditions of the August 25, 1999 draft of the Merger Agreement; (iii)
reviewed certain publicly available information concerning the trading of, and
the trading market for, Seller Common Stock and Buyer Common Stock; (iv)
compared Seller and Buyer from a financial point of view with certain other
companies in the banking industry which we deemed to be relevant;
(v) considered the financial terms, to the extent publicly available, of
selected recent business combinations of companies in the banking industry which
we deemed to be comparable, in whole or in part, to the Merger; (vi) reviewed
and discussed with representatives of the management of Seller and Buyer certain
information of a business and financial nature regarding Seller and Buyer,
furnished to us by them, including financial forecasts and related assumptions
of Seller; (vii) made inquiries regarding and discussed the Merger and the
Merger Agreement and other matters related thereto with Seller's counsel; and
(viii) performed such other analyses and examinations as we have deemed
appropriate.

    In connection with our review, we have not assumed any obligation
independently to verify the foregoing information and have relied on its being
accurate and complete in all material respects. With respect to the financial
forecasts for Seller provided to us by its management and publicly available
earnings estimates for Buyer, upon Seller's management advice and with your
consent we have assumed for purposes of our opinion that the forecasts and
estimates have been reasonably prepared on bases

                                      B-1
<PAGE>
Board of Directors
Peninsula Bank of San Diego
August 31, 1999
Page 2

reflecting the best available estimates and judgments of Seller's management and
publicly available information for Buyer at the time of preparation as to the
future financial performance of Seller and Buyer and that they provide a
reasonable basis upon which we can form our opinion. We have also assumed that
there have been no material changes in Seller's or Buyer's assets, financial
condition, results of operations, business or prospects since the respective
dates of their last financial statements made available to us. We have relied on
advice of counsel and independent accountants to Seller as to all legal and
financial reporting matters with respect to Seller, the Merger and the Merger
Agreement. We have assumed that the Merger will be consummated in a manner that
complies in all respects with the applicable provisions of the Securities Act of
1933, as amended (the "Securities Act"), the Securities Exchange Act of 1934 and
all other applicable federal and state statutes, rules and regulations. In
addition, we have not assumed responsibility for reviewing any individual credit
files, or making an independent evaluation, appraisal or physical inspection of
any of the assets or liabilities (contingent or otherwise) of Seller or Buyer,
nor have we been furnished with any such appraisals. We are not experts in the
evaluation of loan portfolios for purposes of assessing the adequacy of the
allowances for losses with respect thereto and have assumed, with your consent,
that such allowances for each of Seller and Buyer are in the aggregate adequate
to cover such losses. You have informed us, and we have assumed, that the Merger
will be recorded as a purchase under generally accepted accounting principles.
Finally, our opinion is based on economic, monetary and market and other
conditions as in effect on, and the information made available to us as of, the
date hereof. Accordingly, although subsequent developments may affect this
opinion, we have not assumed any obligation to update, revise or reaffirm this
opinion.

    We have further assumed with your consent that the Merger will be
consummated in accordance with the terms described in the Merger Agreement,
without any further amendments thereto, and without waiver by Seller of any of
the conditions to its obligations thereunder. We have also assumed that in the
course of obtaining the necessary regulatory approvals for the Merger, no
restrictions will be imposed that could have a meaningful effect on the
contemplated benefits of the Merger.

    We have acted as financial advisor to Seller in connection with the Merger
and will receive a fee for our services, including rendering this opinion, a
significant portion of which is contingent upon the consummation of the Merger.
In the ordinary course of our business, we actively trade the equity securities
of Buyer for our own account and for the accounts of customers and, accordingly,
may at any time hold a long or short position in such securities.

    Based upon the foregoing and in reliance thereon, it is our opinion as
investment bankers that the Consideration to be received by the shareholders of
Seller pursuant to the Merger is fair to such shareholders from a financial
point of view, as of the date hereof.

    We are not expressing an opinion regarding the price at which the Buyer
Common Stock may trade at any future time after the date of this letter. The
Consideration to be received by the shareholders of Seller pursuant to the
Merger is subject to certain adjustments as more fully described in the Merger
Agreement, and, accordingly, the market value of the Consideration may vary
significantly.

    This opinion is directed to the Board of Directors of Seller in its
consideration of the Merger and is not a recommendation to any shareholder as to
how such shareholder should vote with respect to the Merger. Further, this
opinion addresses only the financial fairness of the Consideration to the
shareholders and does not address the relative merits of the Merger and any
alternatives to the

                                      B-2
<PAGE>
Board of Directors
Peninsula Bank of San Diego
August 31, 1999
Page 3

Merger, Seller's underlying decision to proceed with or effect the Merger, or
any other aspect of the Merger. This opinion may not be used or referred to by
Seller, or quoted or disclosed to any person in any manner, without our prior
written consent, which consent is hereby given to the inclusion of this opinion
in a joint proxy statement/prospectus filed with the Securities and Exchange
Commission in connection with the Merger. In furnishing this opinion, we do not
admit that we are experts within the meaning of the term "experts" as used in
the Securities Act and the rules and regulations promulgated thereunder, nor do
we admit that this opinion constitutes a report or valuation within the meaning
of Section 11 of the Securities Act.

                                          Very truly yours,

                                          Banc of America Securities LLC

                                      B-3
<PAGE>
                                   APPENDIX C
               SECTION 215A OF TITLE 12 OF THE UNITED STATES CODE

SECTION215A. MERGER OF NATIONAL BANKS OR STATE BANKS INTO NATIONAL BANKS

    (A) APPROVAL OF COMPTROLLER, BOARD AND SHAREHOLDERS; MERGER AGREEMENT;
       NOTICE; CAPITAL STOCK; LIABILITY OF RECEIVING ASSOCIATION

    One or more national banking associations or one or more State banks, with
the approval of the Comptroller, under an agreement not inconsistent with this
subchapter, may merge into a national banking association located within the
same State, under the charter of the receiving association. The merger agreement
shall--

    (1) be agreed upon in writing by a majority of the board of directors of
       each association or State bank participating in the plan of merger;

    (2) be ratified and confirmed by the affirmative vote of the shareholders of
       each such association or State bank owning at least two-thirds of its
       capital stock outstanding, or by a greater proportion of such capital
       stock in the case of a State bank if the laws of the State where it is
       organized so require, at a meeting to be held on the call of the
       directors, after publishing notice of the time, place, and object of the
       meeting for four consecutive weeks in a newspaper of general circulation
       published in the place where the association or State bank is located,
       or, if there is no such newspaper, then in the newspaper of general
       circulation published nearest thereto, and after sending such notice to
       each shareholder of record by certified or registered mail at least ten
       days prior to the meeting, except to those shareholders who specifically
       waive notice, but any additional notice shall be given to the
       shareholders of such State bank which may be required by the laws of the
       State where it is organized. Publication of notice may be waived, in
       cases where the Comptroller determines that an emergency exists
       justifying such waiver, by unanimous action of the shareholders of the
       association or State banks;

    (3) specify the amount of the capital stock of the receiving association,
       which shall not be less than that required under existing law for the
       organization of a national bank in the place in which it is located and
       which will be outstanding upon completion of the merger, the amount of
       stock (if any) to be allocated, and cash (if any) to be paid, to the
       shareholders of the association or State bank being merged into the
       receiving association; and

    (4) provide that the receiving association shall be liable for all
       liabilities of the association or State bank being merged into the
       receiving association.

    (B) DISSENTING SHAREHOLDERS

    If a merger shall be voted for at the called meetings by the necessary
majorities of the shareholders of each association or State bank participating
in the plan of merger, and thereafter the merger shall be approved by the
Comptroller, any shareholder of any association or State bank to be merged into
the receiving association who has voted against such merger at the meeting of
the association or bank of which he is a stockholder, or has given notice in
writing at or prior to such meeting to the presiding officer that he dissents
from the plan of merger, shall be entitled to receive the value of the shares so
held by him when such merger shall be approved by the Comptroller upon written
request made to the receiving association at any time before thirty days after
the date of consummation of the merger, accompanied by the surrender of his
stock certificates.

    (C) VALUATION OF SHARES

    The value of the shares of any dissenting shareholder shall be ascertained,
as of the effective date of the merger, by an appraisal made by a committee of
three persons, composed of (1) one selected by the vote of the holders of the
majority of the stock, the owners of which are entitled to payment in cash;
(2) one selected by the directors of the receiving association; and (3) one
selected by the two so selected. The valuation agreed upon by any two of the
three appraisers shall govern. If the value so fixed shall not be satisfactory
to any dissenting shareholder who has requested payment, that

                                      C-1
<PAGE>
shareholder may, within five days after being notified of the appraised value of
his shares, appeal to the Comptroller, who shall cause a reappraisal to be made
which shall be final and binding as to the value of the shares of the appellant.

    (D) APPLICATION TO SHAREHOLDERS OF MERGING ASSOCIATIONS: APPRAISAL BY
       COMPTROLLER; EXPENSES OF RECEIVING ASSOCIATION; SALE AND RESALE OF
       SHARES; STATE APPRAISAL AND MERGER LAW

    If, within ninety days from the date of consummation of the merger, for any
reason one or more of the appraisers is not selected as herein provided, or the
appraisers fail to determine the value of such shares, the Comptroller shall
upon written request of any interested party cause an appraisal to be made which
shall be final and binding on all parties. The expenses of the Comptroller in
making the reappraisal or the appraisal, as the case may be, shall be paid by
the receiving association. The value of the shares ascertained shall be promptly
paid to the dissenting shareholders by the receiving association. The shares of
stock of the receiving association which would have been delivered to such
dissenting shareholders had they not requested payment shall be sold by the
receiving association at an advertised public auction, and the receiving
association shall have the right to purchase any of such shares at such public
auction, if it is the highest bidder therefor, for the purpose of reselling such
shares within thirty days thereafter to such person or persons and at such price
not less than par as its board of directors by resolution may determine. If the
shares are sold at public auction at a price greater than the amount paid to the
dissenting shareholders, the excess in such sale price shall be paid to such
dissenting shareholders. The appraisal of such shares of stock in any State bank
shall be determined in the manner prescribed by the law of the State in such
cases, rather than as provided in this section, if such provision is made in the
State law; and no such merger shall be in contravention of the law of the State
under which such bank is incorporated. The provisions of this subsection shall
apply only to shareholders of (and stock owned by them in) a bank or association
being merged into the receiving association.

    (E) STATUS OF RECEIVING ASSOCIATION; PROPERTY RIGHTS AND INTERESTS VESTED
       AND HELD AS FIDUCIARY

    The corporate existence of each of the merging banks or banking associations
participating in such merger shall be merged into and continued in the receiving
association and such receiving association shall be deemed to be the same
corporation as each bank or banking association participating in the merger. All
rights, franchises, and interests of the individual merging banks or banking
associations in and to every type of property (real, personal, and mixed) and
chooses in action shall be transferred to and vested in the receiving
association by virtue of such merger without any deed or other transfer. The
receiving association, upon the merger and without any order or other action on
the part of any court or otherwise, shall hold and enjoy all rights of property,
franchises, and interests, including appointments, designations, and
nominations, and all other rights and interests as trustee, executor,
administrator, registrar of stocks and bonds, guardian of estates, assignee,
receiver, and committee of estates of lunatics, and in every other fiduciary
capacity, in the same manner and to the same extent as such rights, franchises,
and interests were held or enjoyed by any one of the merging banks or banking
associations at the time of the merger, subject to the conditions hereinafter
provided.

    (F) REMOVAL AS FIDUCIARY; DISCRIMINATION

    Where any merging bank or banking association, at the time of the merger,
was acting under appointment of any court as trustee, executor, administrator,
registrar of stocks and bonds, guardian of estates, assignee, receiver, or
committee of estates of lunatics, or in any other fiduciary capacity, the
receiving association shall be subject to removal by a court of competent
jurisdiction in the same manner and to the same extent as was such merging bank
or banking association prior to the merger. Nothing contained in this section
shall be considered to impair in any manner the right of any court to remove the
receiving association and to appoint in lieu thereof a substitute trustee,
executor, or other fiduciary, except that such right shall not be exercised in
such a manner as to discriminate against national banking associations, nor
shall any receiving association be removed solely because of the fact that it is
a national banking association.

                                      C-2
<PAGE>
                                   APPENDIX D
      CALIFORNIA CORPORATION CODE SECTION DEALING WITH DISSENTER'S RIGHTS

SECTION 1300. RIGHT TO REQUIRE PURCHASE--"DISSENTING SHARES" AND "DISSENTING
  SHAREHOLDER" DEFINED.

    (a) If the approval of the outstanding shares (Section 152) of a corporation
       is required for a reorganization under subdivisions (a) and (b) or
       subdivision (e) or (f) of Section 1201, each shareholder of the
       corporation entitled to vote on the transaction and each shareholder of a
       subsidiary corporation in a short-form merger may, by complying with this
       chapter, require the corporation in which the shareholder holds shares to
       purchase for cash at their fair market value the shares owned by the
       shareholder which are dissenting shares as defined in subdivision (b).
       The fair market value shall be determined as of the day before the first
       announcement of the terms of the proposed reorganization or short-form
       merger, excluding any appreciation or depreciation in consequence of the
       proposed action, but adjusted for any stock split, reverse stock split or
       share dividend which becomes effective thereafter.

    (b) As used in this chapter, "dissenting shares" means shares which come
       within all of the following descriptions:

       (1) Which were not immediately prior to the reorganization or short-form
           merger either (A) listed on any national securities exchange
           certified by the Commissioner of Corporations under subdivision
           (o) of Section 25100 or (B) listed on the list of OTC margin stocks
           issued by the Board of Governors of the Federal Reserve System, and
           the notice of meeting of shareholders to act upon the reorganization
           summarizes this section and Sections 1301, 1302, 1303 and 1304;
           provided, however, that this provision does not apply to any shares
           with respect to which there exists any restriction on transfer
           imposed by the corporation or by any law or regulation; and provided,
           further, that this provision does not apply to any class of shares
           described in subparagraph (A) or (B) if demands for payment are filed
           with respect to 5 percent or more of the outstanding shares of that
           class.

       (2) Which were outstanding on the date for the determination of
           shareholders entitled to vote on the reorganization and (A) were not
           voted in favor of the reorganization or, (B) if described in
           subparagraph (A) or (B) of paragraph (1) (without regard to the
           provisos in that paragraph), were voted against the reorganization,
           or which were held of record on the effective date of a short-form
           merger; provided, however, that subparagraph (A) rather than
           subparagraph (B) of this paragraph applies in any case where the
           approval required by Section 1201 is sought by written consent rather
           than at a meeting.

       (3) Which the dissenting shareholder has demanded that the corporation
           purchase at their fair market value, in accordance with
           Section 1301.

       (4) Which the dissenting shareholder has submitted for endorsement, in
           accordance with Section 1302.

    (c) As used in this chapter, "dissenting shareholder" means the recordholder
       of dissenting shares and includes a transferee of record.

                                      D-1
<PAGE>
SECTION 1304. DISSENTER'S ACTION TO ENFORCE PAYMENT.

    (a) If the corporation denies that the shares are dissenting shares, or the
       corporation and the shareholder fail to agree upon the fair market value
       of the shares, then the shareholder demanding purchase of such shares as
       dissenting shares or any interested corporation, within six months after
       the date on which notice of the approval by the outstanding shares
       (Section 152) or notice pursuant to subdivision (i) of Section 1110 was
       mailed to the shareholder, but not thereafter, may file a complaint in
       the superior court of the proper county praying the court to determine
       whether the shares are dissenting shares or the fair market value of the
       dissenting shares or both or may intervene in any action pending on such
       a complaint.

    (b) Two or more dissenting shareholders may join as plaintiffs or be joined
       as defendants in any such action and two or more such actions may be
       consolidated.

    (c) On the trial of the action, the court shall determine the issues. If the
       status of the shares as dissenting shares is in issue, the court shall
       first determine that issue. If the fair market value of the dissenting
       shares is in issue, the court shall determine, or shall appoint one or
       more impartial appraisers to determine, the fair market value of the
       shares.

                                      D-2
<PAGE>

                                   PART II.

                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 20. INDEMNIFICATION OF DIRECTORS AND OFFICERS.

Under Delaware law, U.S. Bancorp will indemnify its directors and officers under
certain circumstances against all expenses and liabilities incurred by them as a
result of suits brought against them as such directors and officers. The
indemnified directors and officers must act in good faith and in a manner they
reasonably believe to be in the best interests of U.S. Bancorp, and, with
respect to any criminal action or proceeding, have no reasonable cause to
believe their conduct was unlawful. U.S. Bancorp will not indemnify directors
and officers for expenses in respect of any matter as to which the indemnified
directors and officers shall have been adjudged to be liable to U.S. Bancorp,
unless the court in which such action or suit was brought shall otherwise
determine. U.S. Bancorp may indemnify officers and directors only as authorized
in each specific case upon a determination by the stockholders or disinterested
directors that indemnification is proper because the indemnitee has met the
applicable statutory standard of conduct.

         Article Nine of the U.S. Bancorp Restated Certificate of Incorporation,
as amended, provides that a director shall not be liable to U.S. Bancorp or its
stockholders for monetary damages for a breach of fiduciary duty as a director,
except for liability: (i) for any breach of the director's duty of loyalty to
U.S. Bancorp or its stockholders, (ii) for acts or omissions not in good faith
or which involve intentional misconduct or a knowing violation of law, (iii)
under the Delaware statutory provision making directors personally liable for
unlawful payment of dividends or unlawful stock repurchases or redemptions, or
(iv) for any transaction from which the directors derived an improper personal
benefit.

         The Bylaws of U.S. Bancorp provide that the officers and directors of
U.S. Bancorp shall be indemnified to the full extent permitted by Delaware law,
as amended from time to time. The U.S. Bancorp Board of Directors has discretion
to indemnify any employee of U.S. Bancorp for actions arising by reason of the
employee's employment with U.S. Bancorp. U.S. Bancorp shall pay expenses
incurred by officers and directors in defending actions in advance of any final
disposition if such officer or director agrees to repay such amounts if it is
ultimately determined that he or she is not entitled to be indemnified under
Delaware law. U.S. Bancorp maintains a standard policy of officers' and
directors' liability insurance.

ITEM 21. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES.

     (a) EXHIBITS.

<TABLE>
<S>      <C>
     2.1 Agreement and Plan of Merger dated September 1, 1999, by and between
         U.S. Bancorp and Peninsula. (Included in Proxy Statement as Appendix
         A.) The registrant agrees to furnish a supplemental copy of omitted
         schedules to the Security and Exchange Commission upon request.

     3.1 Bylaws of U.S. Bancorp, as amended. (Incorporated by reference to
         Exhibit 3.1 to the report on Form 10-Q for the quarter ended June 30,
         1998.)

     4.1 Certificate of Designation and Terms of Term Participating Preferred
         Stock of U.S. Bancorp. (Incorporated by reference to Exhibit 4.1 to the
         report on Form S-4, filed April 2, 1999, file number 333-75603.)

     4.2 Pursuant to Item 601(b)(4)(iii)(A) of Regulation S-K, copies of
         instruments defining the rights of holders of long-term debt are not
         filed. U.S. Bancorp agrees to furnish a copy thereof to the Securities
         and Exchange Commission upon request.

                                        II-1
<PAGE>

     4.3 Warrant Agreement, dated as of October 2, 1995, between U.S. Bancorp
         and First Chicago Trust Company of New York, as Warrant Agent and Form
         of Warrant. (Incorporated by reference to Exhibits 4.18 and 4.19 to
         Registration Statement on Form S-3, File No. 33-61667.)

     4.4 Warrant Agreement, dated as of November 20, 1990, between Metropolitan
         Financial Corporation and American Stock Transfer and Trust Company, as
         Warrant Agent; Supplemental Warrant Agreement, dated as of January 24,
         1995, between U.S. Bancorp and American Stock Transfer and Trust
         Company, as Warrant Agent; and Form of Warrant. (Incorporated by
         reference to Exhibit 4E to report on Form 10-K for the year ended
         December 31, 1996.)

     5.1 Opinion of Dorsey & Whitney LLP, as to legality of the securities being
         registered.

     8.1 Tax opinion of Dorsey & Whitney LLP.

     8.2 Tax opinion of Deloitte Touche Tohmatsu.*

    23.1 Consent of Dorsey & Whitney LLP (included in Exhibit 5.1).

    23.2 Consent of Dorsey & Whitney LLP (included in Exhibit 8.1).

    23.3 Consent of Deloitte Touche Tohmatsu (included in Exhibit 8.2).*

    23.4 Consent of Ernst & Young LLP (relating to financial statements of U.S.
         Bancorp).

    23.5 Consent of Deloitte Touche LLP (relating to financial statements of
         Peninsula).

    24.1 Power of Attorney.

    27.1 Financial Data Schedule. (Incorporated by reference to Exhibit 27 to
         the registrant's Annual Report on Form 10-K for the year ended December
         31, 1998.)

    27.2 Financial Data Schedule. (Incorporated by reference to Exhibit 27 to
         the registrant's Quarterly reports on Form 10-Q for the quarter ended
         March 31, 1999, and on Form 10-Q for the quarter ended June 30, 1999.)

    99.1 Form of Proxy for Special Meeting of Shareholders of Peninsula.

    99.2 Consent of Banc of America Securities LLC.

</TABLE>

- -------------------
*    To be filed by amendment.

     (b) FINANCIAL STATEMENT SCHEDULES.

         None.

     (c) REPORTS, OPINIONS AND APPRAISALS.

         None.

                                          II-2
<PAGE>

ITEM 22. UNDERTAKINGS.

         (a)      The undersigned registrant hereby undertakes:

                  (1) To file, during any period in which offers or sales are
being made, a post-effective amendment to this registration statement:

                            (i) To include any prospectus required by section
                   10(a)(3) of the Securities Act of 1933;

                           (ii) To reflect in the prospectus any facts or events
                  arising after the effective date of the registration statement
                  (or the most recent post-effective amendment thereof) which,
                  individually or in the aggregate, represent a fundamental
                  change in the information set forth in the registration
                  statement. Notwithstanding the foregoing, any increase or
                  decrease in volume of securities offered (if the total dollar
                  value of securities offered would not exceed that which was
                  registered) and any deviation from the low or high end of the
                  estimated maximum offering range may be reflected in the form
                  of prospectus filed with the Commission pursuant to Rule
                  424(b) if, in the aggregate, the changes in volume and price
                  represent no more than a 20% change in the maximum aggregate
                  offering price set forth in the ACalculation of Registration
                  Fee@ table in the effective registration statement.

                          (iii) To include any material information with
                  respect to the plan of distribution not previously disclosed
                  in the registration statement or any material change to such
                  information in the registration statement.

                  (2) That, for the purpose of determining any liability under
the Securities Act of 1933, each such post-effective amendment shall be deemed
to be a new registration statement relating to the securities offered therein,
and the offering of such securities at that time shall be deemed to be the
initial bona fide offering thereof.

                  (3) To remove from registration by means of a post-effective
amendment any of the securities being registered which remain unsold at the
termination of the offering.

         (b) The undersigned registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act of 1933, each filing of the
registrant's annual report pursuant to Section 13(a) or Section 15(d) of the
Securities Exchange Act of 1934 that is incorporated by reference in the
registration statement shall be deemed to be a new registration statement
relating to the securities offered therein, and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

         (c) Insofar as indemnification for liabilities arising under the
Securities Act of 1933 may be permitted to directors, officers and controlling
persons of the registrant pursuant to its articles, bylaws or otherwise, the
registrant has been advised that in the opinion of the Securities and Exchange
Commission such indemnification is against public policy as expressed in the
Securities Act of 1933, and is, therefore, unenforceable. In the event that a
claim for indemnification against such liabilities (other than the payment by
the registrant of expenses incurred or paid by a director, officer or
controlling person of the registrant in the successful defense of any action,
suit or proceeding) is asserted by such director, officer or controlling person
in connection with the securities being registered, the registrant will, unless
in the opinion of its counsel the matter has been settled by controlling
precedent, submit to a court of appropriate jurisdiction the question whether
such indemnification by it is against public policy as expressed in the
Securities Act of 1933, and will be governed by the final adjudication of such
issue.

         (d) The undersigned registrant hereby undertakes to respond to requests
for information that is incorporated by reference into the prospectus pursuant
to Items 4, 10(b), 11, or 13 of this Form, within one business day of receipt of
such request, and to send the incorporated documents by first class mail or
other equally prompt

                                       II-3
<PAGE>

means. This includes information contained in documents filed subsequent to
the effective date of the registration statement through the date of
responding to the request.

         (e) The undersigned registrant hereby undertakes to supply by means of
a post-effective amendment all information concerning a transaction, and the
company being acquired involved therein, that was not the subject of and
included in the registration statement when it became effective.

                                    II-4
<PAGE>

                                   SIGNATURES

         Pursuant to the requirements of the Securities Act of 1933, the
registrant certifies that it has reasonable grounds to believe that it meets all
of the requirements for filing on Form S-4 and has duly caused this Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Minneapolis, State of Minnesota, on November 5,
1999.

                                  U.S. BANCORP


                                  By:    /s/ John F. Grundhofer
                                     -----------------------------------
                                             John F. Grundhofer
                                          CHAIRMAN, CHIEF EXECUTIVE
                                            OFFICER AND DIRECTOR

         Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.

         SIGNATURE AND TITLE                             DATE
         -------------------                             ----


      /s/ JOHN F. GRUNDHOFER                       November 5, 1999
- ------------------------------------
         John F. Grundhofer
     Chairman, Chief Executive
       Officer, and Director
   (principal executive officer)


        /s/ SUSAN E. LESTER                        November 5, 1999
- ------------------------------------
          Susan E. Lester
    Executive Vice President and
      Chief Financial Officer
   (principal financial officer)


       /s/ TERRANCE R. DOLAN                       November 5, 1999
- ------------------------------------
         Terrance R. Dolan
Senior Vice President and Controller
   (principal accounting officer)


                 *                                 November 5, 1999
- ------------------------------------
          Linda L. Ahlers
              Director


                 *                                 November 5, 1999
- ------------------------------------
          Harry L. Bettis
              Director


                                    II-5
<PAGE>

                 *                                 November 5, 1999
- ------------------------------------
       Arthur D. Collins, Jr.
              Director


                 *                                 November 5, 1999
- ------------------------------------
           Peter H. Coors
              Director


                 *                                 November 5, 1999
- ------------------------------------
          Robert L. Dryden
              Director


                 *                                 November 5, 1999
- ------------------------------------
          Joshua Green III
              Director


                 *                                 November 5, 1999
- ------------------------------------
         Delbert W. Johnson
              Director


                *                                  November 5, 1999
- ------------------------------------
          Joel W. Johnson
              Director


                 *                                 November 5, 1999
- ------------------------------------
           Jerry W. Levin
              Director


                 *                                 November 5, 1999
- ------------------------------------
         Edward J. Phillips
              Director


                 *                                 November 5, 1999
- ------------------------------------
          Paul A. Redmond
              Director


                 *                                 November 5, 1999
- ------------------------------------
         Richard G. Reiten
              Director


                                      II-6
<PAGE>

                 *                                 November 5, 1999
- ------------------------------------
          S. Walter Richey
              Director


                 *                                 November 5, 1999
- ------------------------------------
          Warren R. Staley
              Director


*By:    /s/ TERRANCE R. DOLAN                      November 5, 1999
- ------------------------------------
          Terrance R. Dolan
    Pro se and as Attorney-in-Fact


                                      II-7

<PAGE>

                                  EXHIBIT INDEX

<TABLE>
<CAPTION>

EXHIBITS                                                                                PAGE
- --------                                                                                ----
<S>     <C>                                                                             <C>
 2.1    Agreement and Plan of Merger dated September 1, 1999, by and between
        U.S. Bancorp and Peninsula. (Included in Proxy Statement as Appendix
        A.) The registrant agrees to furnish a supplemental copy of omitted
        schedules to the Security and Exchange Commission upon request.

 3.1    Bylaws of U.S. Bancorp, as amended. (Incorporated by reference to
        Exhibit 3.1 to the report on Form 10-Q for the quarter ended June 30,
        1998.)

 4.1    Certificate of Designation and Terms of Term Participating Preferred
        Stock of U.S. Bancorp. (Incorporated by reference to Exhibit 4.1 to
        the report on Form S-4, filed April 2, 1999, file number 333-75603.)

 4.2    Pursuant to Item 601(b)(4)(iii)(A) of Regulation S-K, copies of
        instruments defining the rights of holders of long-term debt are not
        filed. U.S. Bancorp agrees to furnish a copy thereof to the
        Securities and Exchange Commission upon request.

 4.3    Warrant Agreement, dated as of October 2, 1995, between U.S. Bancorp
        and First Chicago Trust Company of New York, as Warrant Agent and
        Form of Warrant. (Incorporated by reference to Exhibits 4.18 and 4.19
        to Registration Statement on Form S-3, File No. 33-61667.)

 4.4    Warrant Agreement, dated as of November 20, 1990, between
        Metropolitan Financial Corporation and American Stock Transfer and
        Trust Company, as Warrant Agent; Supplemental Warrant Agreement,
        dated as of January 24, 1995, between U.S. Bancorp and American Stock
        Transfer and Trust Company, as Warrant Agent; and Form of Warrant.
        (Incorporated by reference to Exhibit 4E to report on Form 10-K for
        the year ended December 31, 1996.)

 5.1    Opinion of Dorsey & Whitney LLP, as to legality of the securities
        being registered.

 8.1    Tax opinion of Dorsey & Whitney LLP.

 8.2    Tax opinion of Deloitte Touche Tohmatsu.

23.1    Consent of Dorsey & Whitney LLP (included in Exhibit 5.1).

23.2    Consent of Dorsey & Whitney LLP (included in Exhibit 8.1).

23.3    Consent of Deloitte Touche Tohmatsu (included in Exhibit 8.2).

23.4    Consent of Ernst & Young LLP (relating to financial statements of
        U.S. Bancorp).

23.5    Consent of Deloitte Touche LLP (relating to financial statements of
        Peninsula).

24.1    Power of Attorney.

27.1    Financial Data Schedule. (Incorporated by reference to Exhibit 27 to
        the registrant's Annual Report on Form 10-K for the year ended
        December 31, 1998.)

<PAGE>

27.2    Financial Data Schedule. (Incorporated by reference to Exhibit 27 to
        the registrant's Quarterly Reports on Form 10-Q for the quarter ended
        March 31, 1999, and on Form 10-Q for the quarter ended June 30, 1999.)

99.1    Form of Proxy for Special Meeting of Shareholders of Peninsula.

99.2    Consent of Banc of America Securities LLC.

</TABLE>


<PAGE>

                                                                     Exhibit 5.1







                         [Opinion of Dorsey & Whitney LLP]



U..S. Bancorp
U.S. Bank Place
601 Second Avenue South
Minneapolis, MN 55402-4302


          Re:  Registration Statement on Form S-4


Ladies and Gentlemen:

     We have acted as counsel to U.S. Bancorp, a Delaware corporation (the
"Company"), in connection with a Registration Statement on Form S-4 (the
"Registration Statement") relating to the issuance by the Company of up to
3,081,058 shares (the "Shares") of Common Stock of the Company, par value
$ 1.25 per share, that are to be issued in connection with the merger of
Peninsula Bank of San Diego with and into a subsidiary of the Company (the
"Merger"), as described in the Registration Statement.

     We have examined such documents and have reviewed such questions of law as
we have considered necessary and appropriate for the purposes of our opinions
set forth below.  In rendering our opinions set forth below, we have assumed the
authenticity of all documents submitted to us as originals, the genuineness of
all signatures and the conformity to authentic originals of all documents
submitted to us as copies.  We have also assumed the legal capacity for all
purposes relevant hereto of all natural persons and, with respect to all parties
to agreements or instruments relevant hereto other than the Company, that such
parties had the requisite power and authority (corporate or otherwise) to
execute, deliver and perform such agreements or instruments, that such
agreements or instruments have been duly authorized by all requisite action
(corporate or otherwise), executed and delivered by such parties and that such
agreements or instruments are the valid, binding and enforceable obligations of
such parties.  As to questions of fact material to our opinions, we have relied
upon certificates of officers of the Company and of public officials.  We have
also assumed that the Shares will be issued in connection with the Merger as
described in the Registration Statement.


<PAGE>

                                                                     Exhibit 5.1

     Based on the foregoing, we are of the opinion that the Shares to be issued
by the Company in the Merger have been duly authorized and, when issued in
accordance with the terms of the Agreement (as defined in the Registration
Statement), will be validly issued, fully paid and nonassessable.

     Our opinions expressed above are limited to the Delaware General
Corporation Law.

     We hereby consent to the filing of this opinion as an exhibit to the
Registration Statement, and to the reference to our firm under the heading
"LEGAL MATTERS" in the Prospectus constituting part of the Registration
Statement.

Dated: November 5, 1999
                                        Very truly yours,

                                        /s/ Dorsey & Whitney LLP


ECH


<PAGE>










                         [Opinion of Dorsey & Whitney LLP]

                                  November 5, 1999




U.S. Bancorp
U.S. Bank Place
601 Second Avenue South
Minneapolis, MN 55402

Dear Ladies and Gentlemen:

          We have acted as your counsel in connection with the Registration
Statement on Form S-4 filed on November 5, 1999 (the "Registration Statement")
with the Securities and Exchange Commission under the Securities Act of 1933, as
amended (the "Securities Act").  The Registration Statement relates to the
proposed merger of Peninsula Bank of San Diego with and into U.S. Bank National
Association, a wholly owned subsidiary of U.S. Bancorp.  This opinion is
delivered in accordance with the requirements of Item 601(b)(8) of the
Regulation S-K under the Securities Act.

          In connection with this opinion, we have examined and are familiar
with originals or copies, certified or otherwise identified to our satisfaction,
of the Registration Statement, the Proxy Statement/Prospectus included therein
(the "Proxy Statement/Prospectus") and such other documents as we have deemed
necessary or appropriate.

          We hereby confirm that the discussions in the Proxy
Statement/Prospectus under the captions "SUMMARY -- Material Federal Income Tax
Consequences" and "THE MERGER -- Material Federal Income Tax Consequences" are a
fair and accurate summary of the matters addressed therein, based upon current
law and the facts and assumptions stated or referred to therein.  There can be
no assurance that contrary positions may not be taken by the Internal Revenue
Service.


<PAGE>

U.S. Bancorp
November 2, 1999
Page 2

          We hereby consent to the filing of this opinion as Exhibit 8.1 to the
Registration Statement and to the use of our name under the caption "THE MERGER
- -- Material Federal Income Tax Consequences" in the Proxy Statement/Prospectus.
In giving such consent, we do not thereby admit that we are in the category of
persons whose consent is required under Section 7 of the Securities Act.


                                             Very truly yours,

                                             /s/ Dorsey & Whitney LLP






BJS/GS




<PAGE>


                                                                    Exhibit 23.4

                         CONSENT OF INDEPENDENT AUDITORS

We consent to the reference to our firm under the caption "EXPERTS" in the
Registration Statement (Form S-4) and related Prospectus of U.S. Bancorp dated
November 5, 1999 and to the incorporation by reference therein of our report
dated January 20, 1999, with respect to the consolidated financial statements of
U.S. Bancorp included in its Annual Report (Form 10-K) for the year ended
December 31, 1998, filed with the Securities and Exchange Commission.

/s/ Ernst & Young LLP

Minneapolis, Minnesota
November 4, 1999

<PAGE>

INDEPENDENT AUDITORS' CONSENT

We consent to the use in this Registration Statement of U.S. Bancorp on Form
S-4 of our report dated January 29, 1999, on the financial statements of
Peninsula Bank of San Diego, appearing in the Prospectus, which is part of
this Registration Statement.

We also consent to the reference to us under the heading "Experts" in such
Prospectus.

/s/ Deloitte & Touche LLP

San Diego, California
November 4, 1999



<PAGE>

                                                                    Exhibit 24.1
                                POWER OF ATTORNEY

         KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature
appears below hereby constitutes and appoints Lee R. Mitau, Susan E. Lester and
Terrance R. Dolan, and each of them, his or her true and lawful
attorneys-in-fact and agents, each acting alone, with full power of substitution
and resubstitution, for him or her and in his or her name, place and stead, in
any and all capacities, to sign one or more Registration Statements on Form S-4
of U.S. Bancorp, and any and all amendments thereto, including post-effective
amendments, and to file the same, with all exhibits thereto and other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents, each acting alone, full power and
authority to do and perform to all intents and purposes as he or she might or
could do in person, hereby ratifying and confirming all that said
attorneys-in-fact and agents, may lawfully do or cause to be done by virtue
hereof.

<TABLE>
<CAPTION>
            SIGNATURE                                    TITLE                                 DATE
            ---------                                    -----                                 ----
<S>                                         <C>                                           <C>

  /s/ John F. Grundhofer                    Chairman, Chief Executive                     November 5, 1999
- ---------------------------------           Officer and Director
    John F. Grundhofer                      (principal executive officer)


  /s/ Susan E. Lester                       Executive Vice President and                  November 5, 1999
- ---------------------------------           Chief Financial Officer
    Susan E. Lester                         (principal financial officer)


                                            Senior Vice President and                     November 5, 1999
- --------------------------------            Controller (principal
     Terrance R. Dolan                      accounting officer)


    /s/ Linda L. Ahlers
- -------------------------------             Director                                      November 5, 1999
     Linda L. Ahlers


    /s/ Harry L. Bettis
- -------------------------------             Director                                      November 5, 1999
      Harry L. Bettis


 /s/ Arthur D. Collins, Jr.
- -------------------------------             Director                                      November 5, 1999
   Arthur D. Collins, Jr.


    /s/ Peter H. Coors
- ------------------------------              Director                                      November 5, 1999
      Peter H. Coors


   /s/ Robert L. Dryden
- ------------------------------              Director                                      November 5, 1999
    Robert L. Dryden


   /s/ Joshua Green III
- ------------------------------              Director                                      November 5, 1999
     Joshua Green III



<PAGE>

<CAPTION>
            SIGNATURE                                    TITLE                                 DATE
            ---------                                    -----                                 ----
<S>                                         <C>                                           <C>
     /s/ Delbert W. Johnson
- ---------------------------------           Director                                      November 5, 1999
      Delbert W. Johnson


     /s/ Joel W. Johnson
- ---------------------------------           Director                                      November 5, 1999
     Joel W. Johnson


     /s/ Jerry W. Levin
- ---------------------------------           Director                                      November 5, 1999
       Jerry W. Levin


   /s/ Edward J. Phillips
- ---------------------------------           Director                                      November 5, 1999
      Edward J. Phillips


    /s/ Paul A. Redmond
- ---------------------------------           Director                                      November 5, 1999
      Paul A. Redmond


    /s/ Richard G. Reiten
- ---------------------------------           Director                                      November 5, 1999
       Richard G. Reiten


     /s/ S. Walter Richey
- ---------------------------------           Director                                      November 5, 1999
       S. Walter Richey


     /s/ Warren R. Staley
- ---------------------------------           Director                                      November 5, 1999
        Warren R. Staley
</TABLE>


<PAGE>

                                 REVOCABLE PROXY
                           PENINSULA BANK OF SAN DIEGO
                         SPECIAL MEETING OF SHAREHOLDERS
                                JANUARY 11, 2000



         The undersigned shareholder(s) of Peninsula Bank of San Diego (the
"Corporation") hereby appoints, constitutes and nominates ______________________
and ________________, and each of them, the attorney, agent and proxy of the
undersigned, with full power of substitution, to vote all shares of the
Corporation which the undersigned is entitled to vote at the Special Meeting of
Shareholders to be held at 1331 Rosecrans Street, San Diego California on
Tuesday, January 11, 2000 at 7:30 p.m. local time, and any and all adjournments
thereof, as fully and with the same force and effect as the undersigned might or
could do if personally present thereat, as follows:


         1.       MERGER. To approve the principal terms of a proposed merger of
                  the Corporation with and into a subsidiary of U.S. Bancorp as
                  provided in the Agreement and Plan of Merger, dated as of
                  September 1, 1999, between the Corporation and U.S. Bancorp
                  and such Agreement and Plan of Merger.

                  [ ]    FOR         [ ]   AGAINST         [ ] ABSTAIN

         2.       OTHER BUSINESS. To transact such other business as may
                  properly come before the Meeting and any adjournment or
                  adjournments thereof.




                            (CONTINUED ON NEXT PAGE)
<PAGE>
         The Board of Directors unanimously recommends a vote FOR proposal #1.
If any other business is presented at the Special Meeting, this Proxy shall be
voted in accordance with the discretion of the proxy holders. THIS PROXY IS
SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS AND MAY BE REVOKED PRIOR TO ITS
USE.



Signature(s)                                 Date:
              ----------------------------            -----------------------

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


Number of shares
                 ------------

I (We) will [ ] will not [ ] attend the Special Meeting in person.


NOTE: Please sign your full name. Joint owners should each sign. When signing as
attorney, executor, administrator, trustee or guardian, please give full title
as such.

<PAGE>

                                                                   Exhibit 99.2

November 4, 1999

Board of Directors
Peninsula Bank of San Diego
1331 Rosecrans Street
San Diego, CA 92166

Ladies and Gentlemen:

         We hereby consent to the inclusion of our opinion letter dated August
31, 1999 to the Board of Directors of Peninsula Bank of San Diego (the
"Company') regarding the acquisition of the Company by U.S. Bancorp, in U.S.
Bancorp's Registration Statement on Form S-4 (the "Registration Statement") and
to the references therein to our firm and to our opinion under the headings "THE
MERGER - Background of the Merger", "Recommendation of the Peninsula Board of
Directors and Peninsula's Reasons for the Merger", and "Opinion of Peninsula's
Financial Advisor". In giving the foregoing consent, we do not admit (i) that we
come within the category of persons whose consent is required under Section 7 of
the Securities Act of the 1933, as amended (the "Securities Act"), or the rules
and regulations of the Securities and Exchange Commission promulgated
thereunder, and (ii) that we are experts with respect to any part of the
Registration Statement within the meaning of the term "experts" as used in the
Securities Act and the rules and regulations of the Securities and Exchange
Commission promulgated thereunder.


                                      Very truly yours,




                                      BANC OF AMERICA SECURITIES LLC





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