CONTROL NUMBER






THE TERMS AND CONDITIONS OF THE SUBSCRIPTION OFFERING ARE SET FORTH IN 
THE COMPANY'S PROSPECTUS DATED ____________, 1995 (THE "PROSPECTUS") AND 
ARE INCORPORATED HEREIN BY REFERENCE.  COPIES OF THE PROSPECTUS ARE 
AVAILABLE UPON REQUEST FROM AMERICAN STOCK TRANSFER & TRUST COMPANY, THE 
SUBSCRIPTION AGENT.
     

        THIS SUBSCRIPTION WARRANT REPRESENTS RIGHTS TO PURCHASE
       SHARES OF COMMON STOCK, NO PAR VALUE ("COMMON STOCK"), OF 
                  SDNB FINANCIAL CORP. (THE "COMPANY").   
       VOID IF NOT EXERCISED BEFORE 5:00 P.M., NEW YORK TIME, ON
                          ________________, 1995

              THIS SUBSCRIPTION WARRANT (INCLUDING THE 
      OVERSUBSCRIPTION RIGHTS EVIDENCED HEREBY) IS TRANSFERABLE
                   AND MAY BE COMBINED OR DIVIDED 
          (BUT ONLY INTO WARRANTS EVIDENCING A WHOLE NUMBER
OF BASIC SUBSCRIPTION RIGHTS) AT THE ADDRESS SET FORTH IN THE PROSPECTUS.

                        SUBSCRIPTION WARRANT FOR



                        BASIC SUBSCRIPTION RIGHTS
                  SUBSCRIPTION PRICE-U.S. $4.34 PER SHARE

                           CUSIP   784082-11-7




REGISTERED OWNER:








The registered owner, whose name is inscribed hereon, or assignor, is 
entitled to the number of Basic Subscription Rights shown hereon to 
subscribe for full shares of Common Stock of SDNB Financial Corp. (the 
"Company") on the terms and conditions set forth in the Prospectus and 
the Letter of Transmittal and the Instructions Booklet relating thereto.  
The Rights represented by this Subscription Warrant may be exercised by 
duly completing Box 1; may be sold through the Subscription Agent by 
duly completing Box 2; and may be transferred, assigned, or sold through 
a bank or broker by duly completing Box 3.  THE RIGHTS EVIDENCED BY THIS 
SUBSCRIPTION WARRANT MAY NOT BE EXERCISED, TRANSFERRED, ASSIGNED, OR 
SOLD UNLESS THE REVERSE SIDE HEREOF IS SIGNED, WITH A SIGNATURE 
GUARANTEED, IF APPLICABLE, AND THE APPROPRIATE BOX IS COMPLETED.  

IF SUBSCRIBING FOR COMMON STOCK, THIS SUBSCRIPTION WARRANT MUST (EXCEPT 
AS PROVIDED IN THE PROSPECTUS) BE RECEIVED BY AMERICAN STOCK TRANSFER & 
TRUST COMPANY (THE "SUBSCRIPTION AGENT") AT THE ADDRESS SET FORTH IN THE 
PROSPECTUS PRIOR TO THE EXPIRATION OF THE SUBSCRIPTION RIGHTS AT 5:00 
P.M., NEW YORK TIME, ON ________________, 1995 (SUCH DATE, AS IT MAY BE 
EXTENDED BY THE COMPANY, THE "EXPIRATION DATE").  AFTER THE EXPIRATION 
DATE, SUBSCRIPTION RIGHTS WILL NO LONGER BE EXERCISABLE TO PURCHASE 
SHARES OF COMMON STOCK.

IF REQUESTING THE SUBSCRIPTION AGENT TO ATTEMPT TO SELL BASIC 
SUBSCRIPTION RIGHTS, THIS SUBSCRIPTION WARRANT MUST BE RECEIVED BY THE 
SUBSCRIPTION AGENT AT THE ADDRESS SET FORTH IN THE PROSPECTUS PRIOR TO 
11:00 A.M., NEW YORK TIME, ON THE EXPIRATION DATE.

THIS SUBSCRIPTION WARRANT WILL NOT BE VALID OR OBLIGATORY FOR ANY 
PURPOSE UNTIL IT HAS BEEN COUNTERSIGNED BY THE SUBSCRIPTION AGENT.

WITNESS, the facsimile seal of the Company and the facsimile signatures 
of its duly authorized officers.

Dated:



     Secretary                     President and Chief Executive Officer

Countersigned:
American Stock Transfer & Trust Company
           (New York, N.Y.)

                                                    Subscription Agent
By:

                                                    Authorized Agent



                          SDNB FINANCIAL CORP.

EXPIRATION: 5:00 p.m.,
New York Time, ________________, 1995

                      [IMPORTANT--PLEASE FILL IN]

                           SUBSTITUTE FORM
                              FORM W-9

                 PAYER'S REQUEST FOR SOCIAL SECURITY 
                      NUMBER OR OTHER TAXPAYER 
                     IDENTIFICATION NUMBER (TIN)

Part 1-Please provide your Taxpayer Identification Number ("TIN") or 
Social Security Number here and certify by signing and dating to the 
right.

X__________________________________________
                   Signature

  __________________________________________
                   Date


Part 2-Check the box if you are NOT subject to backup withholding under 
the provisions of Section 3406(a)(1)(C) of the Internal Revenue Code 
because: (1) you have not been notified that you are subject to backup 
withholding as a result of failure to report all interest or dividends; 
or (2) the Internal Revenue Service has notified you that you are no 
longer subject to backup withholding.                            [ ]


CERTIFICATION:  Under the penalties of perjury, I certify that the 
information provided on this form is true, correct, and complete.

_____________________________________________  
            Signature


  Part 3 - Check the box if you are awaiting a TIN  [ ]

BOX 1--SUBSCRIPTION AND SIGNATURE
The undersigned hereby irrevocably subscribes for the number of shares 
of Common Stock, as identified below, on the terms specified in the 
Prospectus relating thereto, receipt of which is hereby acknowledged.

a.  Basic Subscription Rights             __________________________
b.  Oversubscription Rights               __________________________

Total Shares of Common Stock              __________________________
Subscribed for (a + b)

Cost (total shares of Common Stock 
times subscription price ($4.34), 
rounded up to the nearest whole cent)     $__________________________

The undersigned hereby requests that the Subscription Agent attempt to 
sell any Basic Subscription Rights owned by the undersigned and not 
exercised above.  [ ] (check here).  

Note:  Unless the subscriber elects to sell or requests that the 
Subscription Agent attempt to sell any unused Basic Subscription Rights, 
a new Subscription Warrant will be issued to such Subscriber in respect 
of such unused Basic Subscription Rights.  The right to oversubscribe 
for additional shares of Common Stock pursuant to the Oversubscription 
Rights is transferable with each Basic Subscription Right, but Basic 
Subscription Rights held by the San Diego National Bank Deferred Savings 
Plan shall not be eligible for Oversubscription Rights due to the 
prohibited transaction rules of the Internal Revenue Code and the 
Employee Retirement Income Security Act of 1974.  No new Subscription 
Warrants will be issued after 11:00 a.m., New York time, on the 
Expiration Date.


_____________________       (____)_____________   (____)________________
Subscriber(s) Signature(s)   Telephone (Day)       Telephone (Night)

BOX 2--SALE OF BASIC SUBSCRIPTION RIGHTS THROUGH THE SUBSCRIPTION AGENT

I hereby request that the Subscription Agent attempt to sell all of the 
Basic Subscription Rights represented by this Subscription Warrant.  The 
right to oversubscribe for additional shares of Common Stock is 
transferable with each Basic Subscription Right.

     Signature__________________________________________
                      Signature of Registered Owner(s)


BOX 3--SALE OF ALL OR PART OF BASIC SUBSCRIPTION RIGHTS THROUGH HOLDER'S 
BANK OR BROKER OR OTHERWISE--For value received all or 
___________________* of the Basic Subscription Rights represented by 
this Subscription Warrant are assigned to:

     _______________________________________________________________
                          Name (Please Print)

     _______________________________________________________________
                                Street

     _______________________________________________________________
                         City, State, Zip Code

     _______________________________________________________________
             Assignor's Taxpayer Identification Number

 Signature(s) ______________________________________________________
                 Signature(s) of Registered Owner(s)

    Signature(s) guaranteed by:  ___________________________________
                          Name:  ___________________________________
                         Title:  ___________________________________
                  Name of Firm:  ___________________________________
                       Address:  ___________________________________
Area Code and Telephone Number:  ___________________________________
                         Dated:  ___________________________________

*Insert number of Basic Subscription Rights being sold.  The right to 
oversubscribe for additional shares of Common Stock pursuant to the 
Oversubscription Rights is transferable with each Basic Subscription 
Right.

PAYMENT OF THE SUBSCRIPTION PRICE OF $4.34 IS REQUIRED TO SUBSCRIBE FOR 
EACH SHARE OF COMMON STOCK.  IN ADDITION, ONE (1) BASIC SUBSCRIPTION 
RIGHT IS REQUIRED TO SUBSCRIBE FOR EACH SHARE OF COMMON STOCK UNDERLYING 
EACH BASIC SUBSCRIPTION RIGHT.