WFS FINANCIAL INC
10-K405, 1998-03-18
PERSONAL CREDIT INSTITUTIONS
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<PAGE>   1
 
================================================================================
 
                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
 
                                   FORM 10-K
                            ------------------------
(MARK ONE)
[X]   ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
     SECURITIES EXCHANGE ACT OF 1934
 
                  FOR THE FISCAL YEAR ENDED DECEMBER 31, 1997
 
                                       OR
 
[ ]   TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
     SECURITIES EXCHANGE ACT OF 1934
 
      FOR THE TRANSITION PERIOD FROM                    TO
 
                        COMMISSION FILE NUMBER 33-93068
 
                               WFS FINANCIAL INC
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
 
<TABLE>
<S>                                              <C>
                  CALIFORNIA                                       33-0291646
        (STATE OR OTHER JURISDICTION OF                         (I.R.S. EMPLOYER
        INCORPORATION OR ORGANIZATION)                         IDENTIFICATION NO.)
        23 PASTEUR, IRVINE, CALIFORNIA                             92618-3816
   (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)                        (ZIP CODE)
</TABLE>
 
       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE (714) 727-1000
 
                            ------------------------
 
          SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:
                                      NONE
 
          SECURITIES REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT:
 
<TABLE>
<S>                                              <C>
              TITLE OF EACH CLASS                             NAME OF EACH EXCHANGE
          Common Stock, no par value                           ON WHICH REGISTERED
                                                             Nasdaq National Market
</TABLE>
 
     Indicate by check mark whether the Registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
Registrant was required to file such reports,) and (2) has been subject to such
filing requirements for the last 90 days.  Yes [X]  No [ ]
 
     Indicate by check mark if disclosure of delinquent filers pursuant to Item
405 of Regulation S-K is not contained herein, and will not be contained, to the
best of registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K.  [X]
 
     The aggregate market value of the voting stock held by non-affiliates of
the registrant as of February 28, 1998:
 
                   COMMON STOCK, NO PAR VALUE -- $49,610,172
 
     The number of shares outstanding of the issuer's class of common stock as
of February 28, 1998:
 
                    COMMON STOCK, NO PAR VALUE -- 25,708,611
 
                      DOCUMENTS INCORPORATED BY REFERENCE
 
     Portions of the definitive proxy statement for the 1997 Annual Meeting of
Shareholders to be held April 29, 1998, are incorporated by reference into Part
III.
================================================================================
<PAGE>   2
 
                       WFS FINANCIAL INC AND SUBSIDIARIES
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                        PAGE
                                                                        ----
<S>       <C>                                                           <C>
                                   PART I
Item 1.   Business....................................................    1
Item 2.   Properties..................................................   12
Item 3.   Legal Proceedings...........................................   12
Item 4.   Submission of Matters to a Vote of Security Holders.........   13
 
                                  PART II
Item 5.   Market for Registrant's Common Equity and Related
          Stockholder Matters.........................................   13
Item 6.   Selected Financial Data.....................................   13
Item 7.   Management's Discussion and Analysis of Financial Condition
          and Results of Operation....................................   15
Item 8.   Financial Statements and Supplementary Data.................   24
Item 9.   Changes in and Disagreements With Accountants on Accounting
          and Financial Disclosure....................................   24
 
                                  PART III
Item 10.  Directors and Executive Officers of the Registrant..........   25
Item 11.  Executive Compensation......................................   25
Item 12.  Security Ownership of Certain Beneficial Owners and
          Management..................................................   25
Item 13.  Certain Relationships and Related Transactions..............   25
 
                                  PART IV
Item 14.  Exhibits, Financial Statement Schedules, and Reports on Form
          8-K.........................................................   25
</TABLE>
 
                                        i
<PAGE>   3
 
                                     PART I
 
ITEM 1.  BUSINESS
 
GENERAL
 
     For twenty-five years, WFS Financial Inc, a California corporation ("WFS"
or the "Company"), and its predecessors, has been in the business of purchasing
fixed rate consumer auto loans ("contracts") from its network of new and used
car dealers ("Dealers"). WFS then securitizes these contracts through
underwritten public sales of AAA/Aaa rated securities and retains the rights to
service them. As of February 28, 1998, WFS purchased contracts in California and
39 other states. Over the past five years, WFS has increased its volume of
contracts purchased from $820 million in 1993 to $2.3 billion in 1997,
representing a 23% compounded annual growth rate. WFS serviced a total of $3.7
billion, $3.0 billion and $2.2 billion of contracts at December 31, 1997, 1996
and 1995, respectively.
 
     The following is a rollforward of serviced contract activity for the last
three years:
 
<TABLE>
<CAPTION>
                                               FOR THE YEAR ENDED DECEMBER 31,
                                             ------------------------------------
                                                1997         1996         1995
                                             ----------   ----------   ----------
                                                    (DOLLARS IN THOUSANDS)
<S>                                          <C>          <C>          <C>
Beginning Balance..........................  $3,046,585   $2,209,594   $1,633,177
Originations...............................   2,285,279    2,121,689    1,527,649
Principal reductions(1)....................   1,651,047    1,284,698      951,232
                                             ----------   ----------   ----------
Ending Balance.............................  $3,680,817   $3,046,585   $2,209,594
                                             ==========   ==========   ==========
</TABLE>
 
- ---------------
(1) Includes scheduled payments, prepayments and chargeoffs.
 
     Based upon published data, the auto finance industry exceeded $470 billion
in 1997, and is the second largest consumer finance market in the United States.
The Company's contract purchase and securitization activities have made it one
of the largest sellers, in aggregate dollar amount, of auto receivable backed
securities in the United States after the captive auto finance companies,
Chrysler Credit Corporation ("Chrysler Credit"), General Motors Acceptance
Corporation ("GMAC") and Ford Motor Credit Company ("Ford Credit"). Aside from
these and other captive auto finance companies, the balance of the market is
highly fragmented among banks, credit unions, savings associations and
independent auto finance companies.
 
     WFS competes in both the prime and non-prime segments of the auto finance
industry. During 1997, WFS purchased approximately 65% of its contracts from
franchised new car Dealers, 30% from independent used car Dealers and originated
5% directly from consumers. During that same period, contracts for new and used
autos represented 18% and 82%, respectively, of the Company's volume of
contracts purchased. References herein to "purchase" and "contracts" refer to
both the purchase of contracts by WFS from new and used car Dealers and the
origination of auto loans directly from consumers.
 
     The following table presents a summary of the Company's production volumes.
 
<TABLE>
<CAPTION>
                                               FOR THE YEAR ENDED DECEMBER 31,
                                             ------------------------------------
                                                1997         1996         1995
                                             ----------   ----------   ----------
                                                    (DOLLARS IN THOUSANDS)
<S>                                          <C>          <C>          <C>
New autos..................................  $  417,075   $  441,529   $  367,638
Used autos.................................   1,868,204    1,680,160    1,160,011
                                             ----------   ----------   ----------
          Total volume.....................  $2,285,279   $2,121,689   $1,527,649
                                             ==========   ==========   ==========
Prime......................................  $1,245,027   $1,129,314   $  936,429
Non-Prime..................................   1,040,252      992,375      591,220
                                             ----------   ----------   ----------
          Total volume.....................  $2,285,279   $2,121,689   $1,527,649
                                             ==========   ==========   ==========
</TABLE>
 
     As reflected in the table above, the mix of new and used cars financed by
WFS has changed over the past three years as WFS expands its niche of used car
financing. It is WFS' overall strategy to reach a 50%-50%
 
                                        1
<PAGE>   4
 
product mix of prime versus non-prime paper. This shift in product mix to higher
yielding contracts is providing WFS with higher returns as well as higher
default rates.
 
THE HISTORY OF WFS
 
     Westcorp, the ultimate parent of WFS, was formed in 1974 as the holding
company for Western Thrift and Loan Association ("Western Thrift"), a California
licensed thrift and loan association founded in 1972. Western Thrift was
involved in auto finance activities from its incorporation until its merger with
Western Financial Bank ("the Bank") in 1982, at which time the auto finance
activities of Western Thrift were continued by the Bank. In 1988, Westcorp
Financial Services, Inc. ("Westcorp Financial") was incorporated as a
wholly-owned consumer finance subsidiary of the Bank to provide auto finance
services to a market not serviced by the Bank's auto finance division.
 
     On May 1, 1995, the Bank transferred its auto finance division to Westcorp
Financial and changed the name of Westcorp Financial to WFS Financial Inc. In
connection with that acquisition, the Bank transferred to WFS all assets
relating to its auto finance division including the contracts held on balance
sheet and all interests of the Bank in the excess spread payable from
outstanding securitization transactions. The Bank also transferred all of the
outstanding stock of WFS Financial Auto Loans, Inc. ("WFAL") and WFS Financial
Auto Loans 2, Inc. ("WFAL2"), the securitization entities of the Bank, thereby
making these companies subsidiaries of WFS. In August 1995, WFS sold
approximately 20% of its shares in a public offering.
 
BUSINESS STRATEGIES
 
     WFS pursues its business objective of maximizing earnings through the
profitable purchase, securitization and servicing of contracts using four
strategies: (i) provide a consistent source of prime and non-prime financing to
its nationwide network of Dealers, (ii) maintain solid asset quality, (iii)
improve operating efficiencies and (iv) hedge and securitize all contracts
purchased.
 
  Prime and Non-Prime Financing
 
     WFS has provided a consistent source of auto financing since 1972 and is
dedicated to continuing to provide a consistent source of prime and non-prime
financing to its growing network of approximately 12,000 Dealers. While other
lenders have retreated from time to time, WFS has consistently and continuously
expanded its operations in the auto finance market. WFS' focus is to provide
each dealer maximum service by providing a single source of contact to meet the
Dealer's prime and non-prime financing needs. In order to react to changes in
its markets and to more effectively serve its Dealers, WFS emphasizes the need
for its personnel to have frequent and substantial personal interaction with the
Dealers within their markets. As a result, WFS can readily identify the needs of
its Dealers and design programs which meet those needs without sacrificing the
integrity of the Company's credit underwriting standards.
 
     Substantially all contracts are purchased without recourse to the Dealer.
WFS pays an upfront dealer participation to the originating Dealer for each
contract purchased which typically remains between 1.2% to 1.4% of the overall
yield on contracts purchased. In the case of contracts secured by new autos, the
original amount of the contract generally does not exceed the sum of the
Dealer's cost, taxes, license fees, service warranty cost and, if applicable,
premium for credit life or credit disability insurance, and in some cases,
miscellaneous costs. Any additional costs are considered over-advances which may
be made under certain circumstances to assist a Dealer in selling an auto by
permitting a lower down payment, and in some circumstances no down payment,
based on the creditworthiness of the applicant. Over-advances are included as a
part of the contract balance and are subject to various limitations depending on
the creditworthiness of the applicant. For used autos, the original contract
generally does not exceed the wholesale value of the auto plus the related
expenses and over-advances.
 
     While WFS also enters into contracts directly with consumers, those
contracts are not currently a primary focus of its business. Direct contracts
accounted for only 5% of total 1997 contract purchases. The characteristics of
such contracts and the underwriting standards are consistent with those of the
contracts purchased from Dealers.
 
                                        2
<PAGE>   5
 
  Maintain Solid Asset Quality
 
     Consistent and Expeditious Underwriting -- WFS purchases loans across the
full spectrum of prime and non-prime credit quality contracts and offers
competitive rates commensurate with the risks inherent in its obligors' ability
to make payments under their contracts. In order to make timely credit
decisions, WFS personnel are trained to obtain, examine and verify all relevant
underwriting information quickly.
 
     The Company relies primarily on the judgment of its trained credit analysts
who evaluate the applicant's credit and stability, including income, employment
and housing, within the context of the Company's underwriting guidelines. The
Company's credit analysts are closely monitored by management and internal
quality control professionals to insure adherence to the Company's underwriting
guidelines. During 1997, WFS implemented a credit scoring matrix to be used as
an additional tool in conjunction with the underwriting process of its credit
analysts. The goal in underwriting contracts is to correctly determine whether
an applicant has the ability and intention to perform on his or her obligations
under the contract. It is expected that WFS will complete the implementation of
a credit scoring system by the fourth quarter of 1998.
 
     The formal underwriting process for either prime or non-prime paper begins
when an application is received. Applications are faxed to one of two processing
centers where the system will collect credit data on applicants and other
information used in the underwriting process. The front-end application
processing system will arrange that information for review and analysis by
either a prime or non-prime credit analyst to whom the information will be
automatically queued.
 
     Due to the credit history of some applicants, the credit analyst may
request that the data verification department verify information or seek
clarification of information learned during the review of the applicant's credit
history. Often, items in a credit history which may seem significant to another
financing source will not, upon investigation, preclude the applicant from
possessing the requisite ability and intent to perform on his or her
obligations. The application, credit history, and other relevant information are
then reviewed by the credit analyst for approval or denial. If the contract
amount or terms exceeds the credit analyst's approval authority, a senior
official with the requisite credit approval authority then reviews the
application. When an application is approved, the submitting Dealer is notified.
Upon the Dealer's acceptance of WFS' approval, the contract is purchased.
 
     A significant percentage of all contracts purchased are reviewed and
quality graded by WFS' quality control or reunderwriting departments to insure
adherence to established guidelines and compliance with proper documentation
requirements.
 
     Collection Activities -- WFS services all of the contracts it purchases,
both those held by the Company and those sold in securitization transactions.
The servicing process includes the routine collection and allocation of payments
to WFS or to the appropriate securitization transaction into which the contract
has been sold. During 1997, WFS substantially increased its servicing and
collections staff in response to the increased number of contracts serviced from
the non-prime segment of the credit quality market, which requires more
attention, and to the overall increase in the servicing portfolio.
 
     WFS has developed procedures for the early identification and cure of
delinquent contracts. During the early stages of delinquency, WFS utilizes an
automated telephone dialing system ("autodialer") to aid in the servicing and
collection process. WFS substantially increased the capacity of its autodialers
during 1997. WFS utilizes the autodialer to initiate contact with delinquent
obligors. If the early collection efforts do not result in a satisfactory
resolution of the delinquent account, then the account is forwarded to the
appropriate collection specialist. In addition, if contact is not made with the
customer within 48 hours of the initial autodialer effort, the account is
automatically sent to a collection specialist for review.
 
     If satisfactory payment arrangements are not made, the automobile is
generally repossessed within 60 to 90 days of the date of delinquency, subject
to compliance with applicable law. WFS uses independent contractors to perform
repossessions. The automobile remains in the custody of WFS for 15 days (or
longer if required by local law) to provide the obligor the opportunity to
redeem the contract. If after the redemption period the delinquency is not
cured, WFS writes down the vehicle to fair value. After the redemption period
expires, WFS prepares the automobile for sale. WFS sells substantially all
repossessed automobiles through
 
                                        3
<PAGE>   6
 
wholesale auto auctions at the best price possible, subject to applicable law.
WFS rarely provides the financing on repossessions sold. WFS uses centralized
remarketing departments to sell its repossessed vehicles. The remarketing
departments are responsible for transportation of the vehicle to wholesale
auction houses, reconditioning and repairs when necessary and tracking vehicles
until they are sold. Once the vehicle is sold, any deficiency balances are then
charged off. At December 31, 1997, the total amount of repossessed autos managed
by WFS was $9.7 million or 0.26% of the total serviced portfolio compared with
$6.1 million or 0.20% of the total serviced portfolio at December 31, 1996.
 
     After chargeoff, WFS will seek to collect on deficient balances through its
centralized asset recovery center ("ARC"). The ARC will first attempt to collect
directly from the obligor with its in-house collection staff. If efforts are not
successful, the ARC will seek a deficiency judgment through a small claims court
procedure, where available, or an attorney employed by WFS takes more formal
judicial action against customers with deficiency balances in excess of that
which may be brought in a small claims court proceeding. In some cases,
particularly when the likelihood of recovery is believed to be remote, the
account is assigned to a collection agency for final resolution. The ARC will
attempt to obtain vehicles that could not be found for repossession by skip
tracing to locate the vehicle. The ARC also monitors payment plans on those
obligors who have filed for bankruptcy. If the obligor is not following the
payment plan stipulated by the courts, then the ARC will seek a judgement for
dismissal or discharge from the bankruptcy court, or will seek to repossess the
vehicle.
 
     The following tables reflect the delinquency, repossession and loss
experience that WFS has achieved as a result of its collection efforts. It is
the Company's policy to charge off all contracts once they become 120 days past
due, including those that are not in compliance with the court ordered
bankruptcy plan and whether or not the automobile has been repossessed or sold
by that date. WFS continues to accrue interest on a contract until it is charged
off. At the time a contract is charged off, all accrued but unpaid interest
which has been previously included as income is reversed by charging the
allowance for credit losses. No assurance can be given that the future
performance of the contracts purchased by the Company will be similar to the
delinquency, repossession and loss rates disclosed in the following tables.
 
     The following table sets forth information with respect to the delinquency
of WFS' portfolio of contracts serviced.
 
<TABLE>
<CAPTION>
                                 DECEMBER 31, 1997         DECEMBER 31, 1996         DECEMBER 31, 1995
                               ----------------------    ----------------------    ----------------------
                                NUMBER                    NUMBER                    NUMBER
                                  OF                        OF                        OF
                               CONTRACTS     AMOUNT      CONTRACTS     AMOUNT      CONTRACTS     AMOUNT
                               ---------   ----------    ---------   ----------    ---------   ----------
                                                         (DOLLARS IN THOUSANDS)
<S>                            <C>         <C>           <C>         <C>           <C>         <C>
Contracts serviced(1)........   408,958    $3,680,817     341,486    $3,046,585     258,665    $2,209,594
                                =======    ==========     =======    ==========     =======    ==========
Period of delinquency(2)
  31-59 days.................     6,605    $   54,450       4,511    $   38,173       2,180    $   18,557
  60-89 days.................     2,161        18,652       1,305        11,470         690         6,143
  90 days or more............       918         7,762         567         5,144         308         2,701
                                -------    ----------     -------    ----------     -------    ----------
Total contracts delinquent...     9,684    $   80,864       6,383    $   54,787       3,178    $   27,401
                                =======    ==========     =======    ==========     =======    ==========
Delinquencies as a percentage
  of number and amount of
  contracts outstanding......      2.37%         2.20%       1.87%         1.80%       1.23%         1.24%
</TABLE>
 
- ---------------
(1) Includes delinquency information relating to contracts which are owned by
    WFS and contracts which have been sold and securitized but are serviced by
    WFS.
 
(2) The period of delinquency is based on the number of days payments are
    contractually past due.
 
                                        4
<PAGE>   7
 
     The following table sets forth information with respect to repossessions in
WFS' portfolio of serviced contracts.
 
<TABLE>
<CAPTION>
                                 DECEMBER 31, 1997         DECEMBER 31, 1996         DECEMBER 31, 1995
                               ----------------------    ----------------------    ----------------------
                                NUMBER                    NUMBER                    NUMBER
                                  OF                        OF                        OF
                               CONTRACTS     AMOUNT      CONTRACTS     AMOUNT      CONTRACTS     AMOUNT
                               ---------   ----------    ---------   ----------    ---------   ----------
                                                         (DOLLARS IN THOUSANDS)
<S>                            <C>         <C>           <C>         <C>           <C>         <C>
Servicing portfolio(1).......   408,958    $3,680,817     341,486    $3,046,585     258,665    $2,209,594
                                =======    ==========     =======    ==========     =======    ==========
Repossessed autos............     1,554    $    9,672       1,133    $    6,135         462    $    2,356
                                =======    ==========     =======    ==========     =======    ==========
Repossessed autos as a
  percentage of number and
  amount of contracts
  outstanding................      0.38%         0.26%       0.33%         0.20%       0.18%         0.11%
</TABLE>
 
- ---------------
(1) Includes delinquency information relating to contracts which are owned by
    WFS and contracts which have been sold and securitized but are serviced by
    WFS.
 
     The following table sets forth information with respect to actual loss
experience of WFS' portfolio of contracts serviced and includes contract loss
information relating to contracts which are owned by WFS and contracts which
have been sold and securitized but are serviced by WFS.
 
<TABLE>
<CAPTION>
                                                            FOR THE YEAR ENDED DECEMBER 31,
                                                         --------------------------------------
                                                            1997          1996          1995
                                                         ----------    ----------    ----------
                                                                 (DOLLARS IN THOUSANDS)
<S>                                                      <C>           <C>           <C>
Contracts serviced.....................................  $3,680,817    $3,046,585    $2,209,594
                                                         ==========    ==========    ==========
Average serviced portfolio during the period...........  $3,383,570    $2,627,622    $1,886,359
                                                         ==========    ==========    ==========
Gross chargeoffs of contracts during the period........  $  136,773    $   86,464    $   48,999
Recoveries of contracts charged off in prior periods...      34,634        25,946        18,715
                                                         ----------    ----------    ----------
Net chargeoffs.........................................  $  102,139    $   60,518    $   30,284
                                                         ==========    ==========    ==========
Net chargeoffs as a percentage of average contracts
  outstanding during period............................        3.02%         2.30%         1.61%
</TABLE>
 
     The increase in loss experience in 1997 is primarily due to a shift in
product mix from prime to non-prime contracts. Other factors that management
believes has also affected losses include increased competition and increased
personal bankruptcies.
 
  Improve Operating Efficiencies
 
     In 1996, WFS began implementing cost saving initiatives through the
automation and centralization of its front-end application processing system and
back office activities. These initiatives were taken to give the Company the
necessary tools for profitable future growth and were completed in 1997. The
front-end application processing system provides WFS with the ability to route
applications to the appropriate prime or non-prime credit analyst. It also
insures adherence to the Company's established underwriting guidelines through
concurrence at the appropriate level. The front-end application system has
increased the efficiency in processing and approving applications at a lower
cost.
 
     Additionally, WFS has completed the centralization of its back office
activities which include customer service, records management, asset recovery
and remarketing. By removing these functions from the field offices, production
personnel are better able to focus on origination activities. These initiatives
are also designed to reduce the Company's overall operating costs.
 
     To continue to improve operational efficiencies, the Company announced a
restructuring plan on February 10, 1998 which consolidated offices and reduced
staff. In the first quarter, the Company consolidated 15 prime lending dealer
centers and 44 non-prime lending branch offices in the western United States
into 12 regional business centers and 15 satellite offices. Each location will
buy the full spectrum of prime and non-prime credit from Dealers through a
single sales and marketing approach which will provide enhanced service
 
                                        5
<PAGE>   8
 
and is designed to increase volume. The restructuring plan will result in a
one-time pre-tax accounting charge for the first quarter ended March 31, 1998 of
approximately $9.0 million or $0.20 per diluted share. The plan, once fully
implemented, is designed to save up to $12.0 million or $0.27 per diluted share
annually in expenses.
 
  Hedging and Securitization
 
     The Company employs a hedging and securitization strategy to leverage its
capital efficiently, lock in interest rate spreads and materially reduce its
interest rate risk while also limiting its credit loss exposure on contracts
sold. Securitizations enable the Company to sell contracts on a regular basis
while continuing to receive servicing fees and to use the proceeds from such
sales to purchase additional contracts.
 
     Between December 1985 and December 1997, WFS sold, in 40 transactions,
approximately $10.0 billion of contracts in publicly underwritten securitization
transactions. The first issue was rated AA by Standard & Poor's Rating Service,
a division of McGraw-Hill, Inc. ("S&P") and Aa by Moody's Investor Service, Inc.
("Moody's") and all 39 issues since that time were rated AAA by S&P and Aaa by
Moody's, their highest rating categories, as a result of the structure of the
transactions and the quality of the contracts securitized or the credit
enhancement provided by Financial Security Assurance Inc. ("FSA"). In all of its
securitization transactions, WFS continues to service the contracts sold. Each
transaction is independent of all others, with no cross-collateralization or
cross-default provisions applicable. Each securitization transaction with a
maturity date prior to the date hereof has been paid in full on or before its
contracted final maturity date and no recourse has been made to FSA on any
transaction.
 
     In 1990, WFS began to securitize its contracts using an off balance sheet
structure which utilizes a separate grantor trust for each transaction. These
securitizations were structured to be treated as sales without recourse, thereby
removing the contracts sold from the balance sheet. WFS retained a residual
interest in the excess interest which represented the excess amount of the
underlying interest on the pool of contracts sold over the amount of interest
payable on the securities and the amount of credit losses, administrative
expenses and contractual servicing fees. WFS securitized $1.5 billion and $842
million of contracts using this structure during 1995 and 1994, respectively.
 
     In 1996, WFS began using an owner trust structure, issuing both
collateralized notes and pass-through certificates. Securitizations using the
owner trust structure are also treated as sales without recourse. WFS retains
the servicing of the contracts sold to the owner trust and receives excess
interest from the contracts sold. The owner trust structure enables WFS to
maximize the residual return from a securitization transaction by more closely
matching the yield paid to the investor to the yield curve existing at the time
the securitization transaction is consummated. WFS securitized $2.2 billion and
$2.1 billion of contracts using this structure during 1997 and 1996,
respectively.
 
     WFS derives multiple benefits from the securitization of contracts,
including a stable source of low cost funding, reduction of interest rate and
credit risk for sold contracts, enhanced return on assets and regulatory
compliance.
 
     Low Cost of Funds -- Other than the first transaction, all of the
securitization transactions completed by WFS to date hereof have been rated in
the highest credit categories by both S&P and Moody's. Accordingly, WFS has been
able to sell these securities at attractive yields relative to its cost of
alternative funding sources at the time of pricing.
 
     Reduction of Interest Rate Risk -- Since these transactions are structured
as asset sales, interest rate risk is largely transferred to the third party
buyers of the related asset backed securities. The interest rate and maturity of
the pool of contracts have durations that are matched with the securities,
thereby locking-in the excess spread of the contracts securitized.
 
     Enhanced Return on Assets -- These securitizations reduce the level of
average assets on balance sheet while providing WFS with ongoing retained
interest income and contractual servicing fee income.
 
                                        6
<PAGE>   9
 
     Regulatory Compliance -- As a Federal savings bank, the Bank may not have
more than 35% of its consolidated assets invested in consumer loans, including
contracts, purchased from Dealers. Contracts securitized are not included in the
calculation of consolidated assets.
 
SUBSIDIARIES
 
  WFS Financial Auto Loans, Inc.
 
     WFAL is a wholly-owned, limited purpose subsidiary of WFS. WFAL was
organized primarily for the purpose of purchasing contracts, originated by WFS,
and securitizing such contracts in the asset-backed market. A total of four
securitization transactions totalling $2.2 billion were completed during 1997.
 
  WFS Financial Auto Loans 2, Inc.
 
     WFAL2 is a wholly-owned, limited purpose subsidiary of WFS. WFAL2 was
organized primarily for the purpose of purchasing contracts, originated by WFS,
and securitizing such contracts in the asset-backed market and engaging in other
asset-backed financing transactions. WFAL2 did not engage in any such activities
in 1997.
 
  WFS Investments, Inc.
 
     WFS Investments, Inc. ("WFSII") is a wholly-owned, limited purpose
subsidiary of WFS. WFSII was incorporated for the purpose of purchasing a
limited ownership interest in owner trusts in connection with securitization
transactions. WFSII is limited by its Articles of Incorporation from engaging in
any business activities not incidental or necessary to its stated purpose.
 
TRANSACTIONS WITH AFFILIATES
 
  Senior Note
 
     The principal amount due under the Senior Note payable to the Bank is $125
million. The Senior Note provides for principal payments of $25 million per
year, commencing on April 30, 1999 and continuing through its final maturity,
April 30, 2003. Interest payments on the Senior Note are due quarterly, in
arrears, calculated at the rate of 7.25% per annum. The Senior Note is not
secured. Pursuant to the terms of the Senior Note, WFS agreed that until the
Senior Note is paid in full, WFS will not incur any other indebtedness which is
senior to the obligations evidenced by the Senior Note except for (i)
indebtedness collateralized or secured under the Line of Credit described below
and (ii) indebtedness for similar types of warehouse lines of credit.
 
  Promissory Note
 
     WFS borrowed $50 million from the bank under the terms of the Promissory
Note dated August 1, 1997. The Promissory Note provides for principal payments
in two equal annual installments of $25 million per year, commencing on July 31,
2001. Interest payments on the Promissory Note are due quarterly, in arrears,
calculated at the rate of 9.42% per annum. Pursuant to the terms of the
Promissory Note, WFS may not incur any other indebtedness which is senior to the
obligations evidenced by the Promissory Note except for (i) indebtedness under
the Senior Note (ii) indebtedness collateralized or secured under the Line of
Credit and (iii) indebtedness for similar types of warehouse lines of credit.
The Promissory Note had interest expense of $2.0 million for 1997.
 
  Line of Credit
 
     The Line of Credit extended by the Bank permits WFS to draw up to $600
million as needed to be used in its operations. WFS does not pay a commitment
fee for the Line of Credit. The term of the Line of Credit commenced on May 1,
1995 and terminates on December 31, 1999 except that such term may be extended
by WFS for additional periods up to 56 months under certain conditions. When
secured, the Line of Credit carries an interest rate equal to the Federal
composite commercial paper rate plus 10 basis points, with the margin increasing
to 50 basis points to the extent the obligation is not secured. Interest on the
amount
 
                                        7
<PAGE>   10
 
outstanding under the Line of Credit is paid monthly, in arrears, and is
calculated on the average amount outstanding that month. The Bank has the right
under the Line of Credit to refuse to permit additional amounts to be drawn on
the Line of Credit if, in the Bank's discretion, the amount sought to be drawn
will not be used to finance the Company's purchase of contracts or other working
capital requirements. At December 31, 1997, no amounts were outstanding on the
Line of Credit. The average amount outstanding during 1997 was $107 million.
 
  Short Term Investments-Parent
 
     WFS also invests its excess cash at the Bank under an Investment Agreement.
The Bank pays WFS an interest rate equal to the Federal composite commercial
paper rate on this excess cash. The weighted average interest rate was 5.78% and
5.53% for 1997 and 1996, respectively. The average balance of the excess cash
was $30.0 million and the interest income earned was $1.7 million during 1997.
At December 31, 1997, WFS held $135 million of excess cash with the Bank under
the Investment Agreement.
 
  WFS Reinvestment Contract
 
     The Bank has entered into the WFS Reinvestment Contract ("RIC") pursuant to
which WFS receives all of the cash flows from the trusts of the securitization
transactions undertaken by WFS and the cash in each spread account for such
transactions to further invest as WFS determines, including to use in its
business activities. Under the terms of the RIC, WFS is obligated to pay to the
Bank all sums due from the Bank, when due by the Bank, under the terms of the
various reinvestment contracts to which the Bank is a party as to each
securitization transaction. The Bank is obligated pursuant to an agreement
between the Bank and FSA to provide collateral as a condition of the various
reinvestment contracts of the Bank being deemed eligible investments for the
trusts' cash flows and the spread account funds. As consideration to the Bank
for providing that collateral, WFS pays to the Bank a fee equal to 12.5 basis
points of the amount of collateral pledged by the Bank. During 1997, WFS paid to
the Bank $0.7 million for its use of collateral. Unless earlier terminated, the
term of the RIC is perpetual for so long as the RIC constitutes an eligible
investment as defined in any agreement related to each of the securitization
trusts. During 1997, the average amount outstanding on the RIC was $501 million.
At December 31, 1997, the outstanding balance was $612 million.
 
  Tax Sharing Agreement
 
     WFS and its subsidiaries (WFAL, WFAL2 and WFSII) are parties to a tax
sharing agreement with Westcorp, the Bank and other subsidiaries of Westcorp,
pursuant to which a consolidated federal tax return is filed for all of the
parties to the agreement. Under the agreement, the tax due by the group is
allocated to each member based upon the relative percentage of each member's
taxable income to that of all members. Each member pays to Westcorp its
estimated share of that tax liability when otherwise due, but in no event may
the amount paid exceed the amount of tax which would have been due if a member
were to file a separate return. A similar process is used with respect to state
income taxes, for those states which permit the filing of a consolidated or
combined return. Tax liabilities to states which require the filing of separate
tax returns for each company are paid by each company. The term of the tax
sharing agreement commenced on the first day of the consolidated return year
beginning January 1, 1994 and continues in effect until the parties to the tax
sharing agreement agree in writing to terminate it. See "Note K -- Income Taxes"
to WFS' Consolidated Financial Statements.
 
  Management Agreements
 
     WFS has entered into certain management agreements with the Bank and
Westcorp pursuant to which WFS pays its allocated portion of certain costs and
expenses incurred by the Bank and Westcorp with respect to services or
facilities of the Bank and Westcorp used by WFS or its subsidiaries, including
their principal office facilities, field offices of WFS and overhead and
employee benefits pertaining to Bank and Westcorp employees who also provide
services to WFS or its subsidiaries. Additionally, as part of these management
agreements, the Bank and Westcorp have agreed to reimburse WFS for similar costs
incurred. The management agreements may be terminated by any party upon 5 days
prior written notice without cause, or
 
                                        8
<PAGE>   11
 
immediately in the event of the other party's breach of any covenant,
obligation, or duty contained in the applicable management agreement or for
violation of law, ordinance, statute, rule or regulation governing either party
to the applicable management agreement.
 
     WFS has entered into an agreement with Westran Services Corp ("Westran"),
which is a subsidiary of Westcorp, to receive travel related services. WFS
believes that the services rendered by Westran are reasonable and representative
of what such costs would have been had WFS used an unaffiliated entity for such
services.
 
TRANSACTIONS WITH MANAGEMENT
 
     WFS leases office space for its Encino, California office from Insurance
Company of the West ("ICW"), an affiliate of Mr. Rady, Chairman of WFS, the Bank
and Westcorp. The basic annual rent is adjusted annually and includes a portion
of direct operating expenses. The Encino lease arrangement expires in 2001. The
Company paid $169,148 in rent to ICW in 1997.
 
     The Kearny Mesa Business Center is landlord to WFS' office in San Diego.
Kearny Mesa Business Center is an affiliate of Mr. Rady. The total amount paid
in 1997 pursuant to this lease, which expires in 2001, was $47,334.
 
RELATIONSHIP WITH THE BANK AND ITS AFFILIATES
 
     In the opinion of the Company, the transactions described herein under the
caption "Transactions with Affiliates" have been on terms no less favorable to
WFS than could be obtained from unaffiliated parties, notwithstanding that the
transactions were not negotiated at arm's length. However, the transactions were
approved by the entire Boards of Directors of WFS, the Bank and Westcorp,
including all of their respective independent directors. Furthermore, any future
transactions with the Bank or affiliated persons will continue to be approved by
a majority of disinterested directors of the Company. See "Supervision and
Regulation -- Westcorp".
 
                           SUPERVISION AND REGULATION
 
THE COMPANY
 
     The Company is an operating subsidiary of the Bank and a second tier
subsidiary of Westcorp. The Company is also licensed in each state in which it
operates as a consumer finance lender by a state licensing agency in each such
state. As of February 28, 1998, WFS is licensed to do business in 40 states. As
such the Company is subject to audit and examination by the applicable state
agencies for these states, as well as being subject to examination and
supervision by the Office of Thrift Supervision ("OTS") and the Federal Deposit
Insurance Corporation ("FDIC"), the Federal entity which provides insurance of
deposits to the Bank. WFS engages local counsel familiar with the applicable
consumer finance and auto finance, licensing and titling laws and regulations of
each of the states in which it has offices and from which it purchases contracts
to the extent it purchases contracts out of states in which it has no office. At
December 31, 1997, and as of the date hereof, WFS believes that it is in
compliance with the licensing and operation laws and regulations applicable to
each of its offices in these states.
 
     Numerous federal and state consumer protection laws and regulations impose
requirements applicable to the contracts originated and serviced by WFS. Among
these enactments are the federal Truth-in-Lending Act, the Federal Trade
Commission Act, the Fair Credit Billing Act, The Fair Credit Reporting Act, the
Equal Credit Opportunity Act, the Fair Debt Collection Practices Act and the
California Rees-Levering Act and similar retail installment sales laws and
similar laws of other states in which WFS originates contracts. Most of the
states in which WFS is originating contracts have statutes or regulations
pertaining to the repossession and sale process the Company must follow when
seeking to recover on defaulted contracts. Generally, the Company must follow
those requirements with precision to ensure its ability to maximize its recovery
on a defaulted contract. In addition, some states, such as Texas and Washington,
have consumer
 
                                        9
<PAGE>   12
 
protection laws which limit the assets WFS may seize in order to recover on any
deficiency following repossession and sale of the vehicle which secures a
defaulted contract.
 
     As an operating subsidiary of the Bank, WFS is precluded by regulations of
the OTS from engaging in any business activity which the Bank could not itself
undertake. All of its current business activities are permitted activities for
the Bank. Also, as WFS is an operating subsidiary of the Bank, the Bank is
required to retain ownership of at least a majority of the voting stock of WFS.
WFS may not engage in any new business activity nor may it acquire a business
from a third party, even if such business activities are permitted to the Bank
and thereby to WFS, until the Bank has first given notice thereof to the FDIC
and to the OTS.
 
WESTCORP
 
     Westcorp, by virtue of its ownership of the Bank, is a savings and loan
holding company within the meaning of the Home Owners' Loan Act, as amended
("HOLA"). Savings and loan holding companies, their savings association
subsidiaries and subsidiaries thereof are extensively regulated under federal
laws.
 
     Under the HOLA, the OTS is permitted to take substantive action when it
determines that there is reasonable cause to believe that the continuation by a
savings and loan holding company of any particular activity constitutes a
serious risk to the financial safety, soundness or stability of that holding
company's subsidiary savings association. Specifically, the OTS may, as
necessary: (i) limit the payment of dividends by the Bank; (ii) limit
transactions between the Bank, Westcorp and the subsidiaries or affiliates of
either; and (iii) limit any activities of Westcorp that might create a serious
risk that the liabilities of Westcorp and its affiliates may be imposed on the
Bank or subsidiaries of the Bank. Any such limits may be issued in the form of
regulations, or a directive having the effect of a cease and desist order.
 
     Savings association subsidiaries of a savings and loan holding company, and
subsidiaries of such savings associations, are limited by HOLA in the type of
activities and investments in which they may participate if the investment
and/or activity involves an affiliate. In general, savings association
subsidiaries of a savings and loan holding company, and the subsidiaries of such
savings association, are subject to Sections 23A and 23B of the Federal Reserve
Act ("FRA") in the same manner and to the same extent as if the savings
association or its subsidiary were a member bank of the Federal Reserve System,
as well as being subject to similar regulations adopted by the OTS. Section 23A
of the FRA puts certain quantitative limitations, based upon a percentage of a
bank's capital stock and surplus, on certain transactions between a bank or its
subsidiary and an affiliate, including transactions involving (i) loans or
extensions of credit to the affiliate; (ii) the purchase of or investment in
securities issued by an affiliate; (iii) purchase of certain assets from an
affiliate; (iv) the acceptance of securities issued by an affiliate as security
for a loan or extension of credit to any person; or (v) the issuance of a
guarantee, acceptance or letter of credit on behalf of an affiliate. The Board
of Governors of the Federal Reserve System (the "Board") has revised the
definition of capital stock and surplus for purposes of Section 23A to conform
that definition to that used by the Board in calculating the limits in
Regulation O for insider lending and by the Office of the Comptroller of the
Currency ("OCC") in calculating the limit on loans by a national bank to a
single borrower. The revised definition will permit subordinated debt that
qualifies for inclusion in Tier 2 capital to be included.
 
     In addition, under Section 23B, transactions between a bank or its
subsidiary and an affiliate must meet certain qualitative limitations. Such
transactions must be on terms at least as favorable to the bank or its
subsidiary as transactions with unaffiliated companies.
 
     Section 11 of the HOLA also specifically prohibits a savings association
subsidiary of the savings and loan holding company, or a subsidiary of that
savings association, from making a loan or extension of credit to an affiliate
unless that affiliate is engaged only in activities permitted to bank holding
companies under Section 4(c) of the Bank Holding Company Act or from purchasing
or investing in the securities of any affiliate (other than a subsidiary of the
savings association). The OTS regulations, consistent with the provisions of
Sections 23A and 23B, exclude transactions between a savings association and its
subsidiaries from the limitations of those sections, but those regulations also
define certain subsidiaries to be affiliates and subject to the requirements of
those sections. At the present time, neither WFS nor any of its subsidiaries are
within the definition of an affiliate of the Bank for purposes of those
regulations.
 
                                       10
<PAGE>   13
 
THE BANK
 
     The Bank, as the parent of WFS, is extensively regulated in its activities
by the OTS and the FDIC. Were the Bank to become insolvent or otherwise become
subject to being placed in conservatorship or receivership by the OTS, the FDIC
is required to be appointed as the conservator or receiver of the Bank. As
conservator or receiver, the FDIC would not have the authority to treat the
assets of WFS as the assets of the Bank, and the assets of WFS would not be
subject to the authority of the FDIC as conservator or receiver. However, as
conservator or receiver of the Bank, the FDIC, through control of the majority
of shares of the Common Stock of WFS, would be permitted to exercise control
over those shares to the same extent as the Bank prior to that conservatorship
or receivership. In addition, the FDIC as receiver or conservator would have the
right to preclude the Bank from making further advances under the Line of
Credit.
 
     An operating subsidiary, such as WFS, is permitted by the applicable
regulations of the OTS to only engage in such business activities as the Bank
itself is permitted to engage in for its own account. The investments of
operating subsidiaries are required to be consolidated with those of its parent
Federal savings bank for purposes of determining whether the parent Federal
savings bank, on a consolidated basis, is in full compliance with those
regulations limiting its activities to a percentage of its total consolidated
assets. In that regard, the Bank is permitted by the HOLA to invest up to 35% of
its consolidated assets in consumer loans, commercial paper and qualifying
corporate debt instruments; provided however, that all consumer loans in excess
of 30% of the Bank's consolidated assets must be made directly to the consumer.
Accordingly, not more than 30% of the Bank's consolidated assets may be invested
in contracts purchased from new and used car Dealers. At December 31, 1997 WFS
held $216 million of contracts, which represents 6.2% of the Bank's consolidated
assets, purchased from Dealers and was purchasing contracts at the average rate
of $190 million per month for the year then ended. However, WFS also securitized
$2.2 billion of such contracts in 1997, and intends to regularly securitize
contracts purchased from Dealers to insure that the Bank will remain in
compliance with this regulatory limitation on its consolidated activities.
 
     In addition, the regulations governing operating subsidiaries also require
that operating subsidiaries be subject to examination and supervision by the OTS
to the same extent as their parent Federal savings bank. The OTS may, following
such an examination, direct the parent savings association to take remedial
action to cure any violation of law, regulation or OTS policy, including
disposing of all or part of the subsidiary. In addition, the OTS may at any time
limit a savings association's investment in an operating subsidiary, limit any
operating subsidiary's activities or refuse to permit activities, for
supervisory, legal or safety and soundness reasons. WFS is not aware of any
actions it has taken or is planning to take which it believes would be deemed by
the OTS to be unsafe or unsound.
 
COMPETITION
 
     The auto finance business is highly competitive. With the successful
implementation of its business strategies, the Company believes it is
competitive with other auto finance providers. WFS strives to consistently apply
established and time proven underwriting standards, thus providing new and used
car Dealers a dependable source of auto financing for contracts falling within
the full spectrum of prime and non-prime credit quality contracts. WFS then
securitizes contracts to lock in excess spread and enhance liquidity.
 
     Strong competition in the purchase of contracts is provided by Chrysler
Credit, GMAC, Ford Credit and other captive auto finance companies, commercial
banks, other consumer auto finance companies and credit unions. WFS competes for
the purchase of contracts on the basis of price and the level of service
provided to the Dealers. The entity financing a Dealer's inventory is ordinarily
that Dealer's primary source of financing for auto sales. WFS does not finance
Dealers' inventories. WFS depends on its share of a particular Dealer's
contracts through the Company's strong personal relationship with that Dealer.
That relationship is fostered by the promptness with which WFS can process and
approve an application submitted by a Dealer and by the Company's expressed
willingness to work with its network of Dealers and its flexibility in programs
offered.
 
     WFS must also compete with Dealer interest rate subsidy programs offered by
the captive auto finance companies. However, frequently those programs are
limited to certain models or to certain loan terms which
 
                                       11
<PAGE>   14
 
may not be attractive to many new auto purchasers. WFS is more flexible in that
it may offer longer terms or be willing to accept a lower down payment than the
captive auto finance companies require.
 
     The competition for contracts available within the prime and non-prime
credit quality contract spectrum is more intense when the rate of sales of autos
declines. While WFS has experienced consistent growth for five years, it can
give no assurance that it will be able to continue to do so. While auto leasing
has increased significantly in recent years, WFS has no present intention of
offering leases. WFS believes that many of such leases are for relatively short
terms of two or three years; therefore, the number of used auto contracts
available will continue to increase as these leases terminate. WFS believes that
this will continue to provide opportunities to purchase used auto contracts.
 
EMPLOYEES
 
     At December 31, 1997, WFS had 1,936 full-time and 26 part-time employees.
None of these employees is represented by a collective bargaining unit or union,
and WFS and its subsidiaries believe they have good relations with their
personnel.
 
FORWARD LOOKING STATEMENTS
 
     The preceding Business section contains certain "forward-looking"
statements within the meaning of the Private Securities Litigation Reform Act of
1995 which provides a new "safe harbor" for these types of statements. This
Annual Report on Form 10-K contains forward-looking statements which reflect
WFS' current views with respect to future events and financial performance.
These forward-looking statements are subject to certain risks and uncertainties,
including those identified below, which could cause actual results to differ
materially from historical results or those anticipated. The forward-looking
terminology such as "believe", "expect", "design", "anticipate", "intend",
"may", "will", "should", "estimate", "continue" and/or the negative thereof or
other comparable expressions which indicate future events and trends identify
forward-looking statements. Readers are cautioned not to place undue reliance on
these forward-looking statements, which speak only as of their dates. WFS
undertakes no obligation to publicly update or revise any forward-looking
statements, whether as a result of new information, future events or otherwise.
The following factors could cause actual results to differ materially from
historical results or those anticipated: (1) the level of demand for auto
contracts, which is affected by such external factors as the level of interest
rates, the strength of the various segments of the economy, debt burden held by
the consumer and demographics of WFS' lending markets; (2) continued dealer
relationships; (3) fluctuations between auto interest rates and the cost of
funds; (4) federal and state regulation of WFS' auto lending operations; (5)
competition within the auto lending industry; (6) the availability and cost of
securitization transactions and (7) the impact of the restructuring to WFS'
operations.
 
ITEM 2. PROPERTIES
 
     At December 31, 1997, WFS was in the process of constructing a building in
Dallas, Texas. Additionally, WFS leased 164 properties at various locations in
numerous states.
 
     The executive offices of WFS are located at 23 Pasteur, Irvine, California
and are leased from the Bank. The remaining leased properties are used as
production offices. At December 31, 1997, the net book value of leasehold
improvements was approximately $1.8 million. WFS leases space at two locations
from companies controlled by the Chairman of the Company. For further
information see "Transactions with Management".
 
ITEM 3. LEGAL PROCEEDINGS
 
     WFS is involved as a party in certain legal proceedings incidental to its
business. Management of WFS believes that the outcome of such proceedings will
not have a material effect upon its business or combined financial condition.
See "Note G -- Commitments and Contingencies" to WFS' Consolidated Financial
Statements.
 
                                       12
<PAGE>   15
 
ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS
 
     No matters were submitted to a vote of security holders through the
solicitation of proxies or otherwise during the quarter ended December 31, 1997.
 
                                    PART II
 
ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER MATTERS
 
PRICE RANGE BY QUARTER
 
     The common stock of WFS Financial Inc has been publicly traded since August
8, 1995 on the National Association of Securities Dealers Automated Quotation
System ("NASDAQ") identified by the symbol, WFSI. The following table
illustrates the high and low sale prices by quarter in 1997 and 1996, as
reported by NASDAQ, which prices are believed to represent actual transactions.
 
<TABLE>
<CAPTION>
                                                1997                1996
                                          ----------------    ----------------
                                           HIGH      LOW       HIGH      LOW
                                          ------    ------    ------    ------
<S>                                       <C>       <C>       <C>       <C>
First Quarter...........................  $23.25    $10.75    $17.84    $14.55
Second Quarter..........................   16.75      8.69     20.69     16.81
Third Quarter...........................   22.50     16.31     22.50     17.39
Fourth Quarter..........................   22.13      8.63     24.75     19.38
</TABLE>
 
     There were approximately 790 shareholders of WFS Financial Inc common stock
at December 31, 1997. The number of shareholders was determined by the number of
record holders, including the number of individual participants, in security
position listings.
 
DIVIDENDS
 
     WFS did not have public shareholders prior to August 8, 1995 and has not
declared or paid cash dividends to the Bank as its parent corporation since
1989. WFS has no current plan to declare or pay any dividends on its Common
Stock. WFS is not currently under any regulatory or contractual limitation on
its ability to declare or pay any dividends. WFS declared a 10% stock dividend
in 1996. There is no assurance that WFS will declare or pay any dividends in the
future.
 
ITEM 6. SELECTED FINANCIAL DATA
 
     The balance sheet data at December 31, 1997, 1996, 1995, 1994 and 1993, and
statement of operations data for all years have been derived from the Company's
audited consolidated financial statements. The operating data and servicing data
have been derived from other unaudited financial information of the Company. The
financial data set forth below should be read in conjunction with the
Consolidated Financial Statements of the Company and related notes thereto and
"Management's Discussion and Analysis of Financial Condition and Results of
Operations" included elsewhere herein.
 
                                       13
<PAGE>   16
 
<TABLE>
<CAPTION>
                                                      FOR THE YEAR ENDED DECEMBER 31,
                                       --------------------------------------------------------------
                                          1997         1996         1995       1994(1)      1993(1)
                                       ----------   ----------   ----------   ----------   ----------
                                              (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                                    <C>          <C>          <C>          <C>          <C>
INCOME STATEMENT DATA:
  Servicing income...................  $  137,753   $  111,969   $   71,824   $   67,683   $   46,546
  Net interest income................      52,657       53,533       44,248       24,104       21,308
  Gain on sale of contracts..........      39,399       41,518       18,856        1,321        9,685
                                       ----------   ----------   ----------   ----------   ----------
          Total revenues.............     229,809      207,020      134,928       93,108       77,539
  Provision for credit losses........       8,248       10,275        6,483        8,037        4,669
  Operating expenses.................     167,418      130,325       77,315       52,627       41,970
                                       ----------   ----------   ----------   ----------   ----------
          Total expenses.............     175,666      140,600       83,798       60,664       46,639
                                       ----------   ----------   ----------   ----------   ----------
  Income before income taxes.........      54,143       66,420       51,130       32,444       30,900
  Income taxes.......................      22,829       27,779       20,963       13,951       13,287
                                       ----------   ----------   ----------   ----------   ----------
  Net income.........................  $   31,314   $   38,641   $   30,167   $   18,493   $   17,613
                                       ==========   ==========   ==========   ==========   ==========
  Net income per common share(3) --
     Diluted.........................  $     1.22   $     1.50   $     1.33   $     0.90
                                       ==========   ==========   ==========   ==========
OPERATING DATA:
  Prime contract purchases...........  $1,245,027   $1,129,314   $  936,429   $  848,486   $  621,951
  Non-prime contract purchases.......   1,040,252      992,375      591,220      328,545      198,267
                                       ----------   ----------   ----------   ----------   ----------
          Total contract purchases...  $2,285,279   $2,121,689   $1,527,649   $1,177,031   $  820,218
                                       ==========   ==========   ==========   ==========   ==========
  Contract securitizations...........  $2,190,000   $2,090,000   $1,480,000   $  842,000   $  777,500
  Number of states in which contracts
     were purchased..................          37           31           16            7            4
  Number of dealers from which
     contracts were acquired.........      11,978        9,372        6,247        4,491        3,470
SERVICING DATA:
  Servicing portfolio at end of
     period..........................  $3,680,817   $3,046,585   $2,209,594   $1,633,177   $1,233,732
  Average servicing portfolio during
     the period......................   3,383,570    2,627,622    1,886,359    1,438,582    1,132,538
  Delinquencies as a percentage of
     amount of contracts outstanding
     at end of period (2)............        2.20%        1.80%        1.24%        0.74%        0.65%
  Net chargeoffs as a percentage of
     the average amount of contracts
     outstanding during the period
     (2).............................        3.02%        2.30%        1.61%        1.09%        1.53%
</TABLE>
 
<TABLE>
<CAPTION>
                                                          FOR THE YEAR ENDED DECEMBER 31,
                                              --------------------------------------------------------
                                                1997        1996         1995      1994(1)    1993(1)
                                              --------   ----------   ----------   --------   --------
                                                         (DOLLARS IN THOUSANDS)
<S>                                           <C>        <C>          <C>          <C>        <C>
BALANCE SHEET DATA:
  Contracts receivable, net.................  $229,338    $231,942     $316,036    $426,467   $223,199
  Total assets..............................   878,160     675,572      583,588     547,961    329,271
  Notes payable.............................   175,000     125,000      125,000          --         --
  Bonds payable.............................        --          --           --          --     22,074
  Intercompany advances.....................        --          --           --     320,792    120,407
</TABLE>
 
- ---------------
 
(1) The data presented reflect the combined operations of both the auto finance
    division of the Bank and its wholly-owned operating subsidiaries, WFS, WFAL
    and WFAL2. See "Note A -- Summary of Significant Accounting Policies" to
    WFS' Consolidated Financial Statements.
 
                                       14
<PAGE>   17
 
(2) Includes delinquency and loss information relating to contracts that were
    sold, but which were originated and serviced by WFS. See
    "Business -- Maintain Solid Asset Quality".
 
(3) Restated to reflect a 10% stock dividend in 1996.
 
ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATIONS
 
OVERVIEW
 
     The primary sources of revenue for WFS are servicing income, net interest
income and gain on sale of contracts. During 1997, WFS purchased $2.3 billion of
contracts compared to $2.1 billion in 1996, an increase of 7.7%. After
purchasing contracts, WFS generally securitizes its contracts and earns
servicing income. Servicing income is primarily generated following the
securitization of contracts purchased by WFS and consists of: (i) contractual
servicing fees, (ii) retained interest income and (iii) other fee income such as
late charges and documentation fees which are earned regardless of whether or
not a securitization has occurred. Contractual servicing is the servicing fee
contractually due from a trust for servicing contracts which have been
securitized. Retained interest is the cash flow derived from the excess spread
remaining on contracts sold after contractual servicing fees have been paid.
Late charges, deferment fees, documentation fees and other fees are also
collected on contracts serviced and are retained by the Company. While contracts
are held on balance sheet, WFS earns net interest income. Net interest income is
the difference between the interest earned on contracts not yet sold in
securitization transactions and the interest paid on the liabilities used to
fund such contracts. Gain on sale of contracts is recognized based on the
estimated present value of the estimated future earnings to be received from the
excess spread on securitized contracts at the time of sale.
 
     The Company's securitization transactions involved the sale of contracts to
a trust in exchange for asset-backed securities issued by the trust which WFS
sells to investors. See "Business -- Hedging and Securitization." WFS continues
to service the contracts following their securitization and receives a
contractual servicing fee for such activities. In connection with the
securitization of contracts, WFS retains the right to receive excess spread
which is equal to the difference between the stated interest rate on the
contracts securitized and the interest rate on the asset-backed securities,
before adjustments for credit losses, administrative expenses and contractual
servicing fees. WFS securitized $2.2 billion, $2.1 billion and $1.5 billion of
contracts during 1997, 1996 and 1995, respectively.
 
                                       15
<PAGE>   18
 
     The following table lists each of the Company's outstanding securitization
transactions. Each of these transactions was rated AAA by S&P, and Aaa by
Moody's, their respective highest ratings. All earlier securitization
transactions were timely paid off in full prior to December 31, 1997.
 
<TABLE>
<CAPTION>
                                                                   REMAINING                      ORIGINAL
                                                    REMAINING     BALANCE AS A                    WEIGHTED
                                                    BALANCE AT     PERCENT OF     ORIGINAL        AVERAGE       GROSS INTEREST
 ISSUE                                 ORIGINAL    DECEMBER 31,     ORIGINAL      WEIGHTED     SECURITIZATION    RATE SPREAD
NUMBER           CLOSE DATE            BALANCE         1997         BALANCE      AVERAGE APR        RATE             (1)
- -------          ----------           ----------   ------------   ------------   -----------   --------------   --------------
                                                    (DOLLARS IN THOUSANDS)
<S>      <C>                          <C>          <C>            <C>            <C>           <C>              <C>
1993-1   March, 1993                  $  250,000    $    1,046        0.42%         13.90%          4.45%            9.45%
1993-2   June, 1993                      175,000         2,882        1.65%         13.90%          4.70%            9.20%
1993-3   September, 1993                 187,500         5,906        3.15%         13.77%          4.25%            9.52%
1993-4   December, 1993                  165,000         8,119        4.92%         13.97%          4.60%            9.37%
1994-1   March, 1994                     200,000        12,696        6.35%         12.90%          5.10%            7.80%
1994-2   June, 1994                      230,000        19,901        8.65%         13.67%          6.38%            7.29%
1994-3   August, 1994                    200,000        25,054       12.53%         14.04%          6.65%            7.39%
1994-4   October, 1994                   212,000        30,618       14.44%         14.59%          7.10%            7.49%
1995-1   January, 1995                   190,000        31,302       16.47%         15.58%          8.05%            7.53%
1995-2   April, 1995                     190,000        36,933       19.44%         15.71%          7.10%            8.61%
1995-3   June, 1995                      300,000        68,842       22.95%         16.36%          6.05%           10.31%
1995-4   September, 1995                 375,000       113,834       30.36%         15.05%          6.20%            8.85%
1995-5   December, 1995                  425,000       150,452       35.40%         15.04%          5.88%            9.17%
1996-A   March, 1996                     485,000       195,614       40.33%         15.35%          6.13%            9.22%
1996-B   June, 1996                      525,000       251,264       47.86%         15.46%          6.75%            8.71%
1996-C   September, 1996                 535,000       298,196       55.74%         15.74%          6.66%            9.08%
1996-D   December, 1996                  545,000       342,896       62.92%         15.83%          6.17%            9.66%
1997-A   March, 1997                     500,000       356,137       71.23%         15.43%          6.60%            8.83%
1997-B   June, 1997                      590,000       474,865       80.49%         15.33%          6.37%            8.96%
1997-C   September, 1997                 600,000       538,857       89.81%         15.36%          6.17%            9.19%
1997-D   December, 1997                  500,000       484,176       96.84%         15.43%          6.34%            9.09%
                                      ----------    ----------
         Total                        $7,379,500    $3,449,590
                                      ==========    ==========
</TABLE>
 
- ---------------
 
(1) Represents the difference between the original weighted average annual
    percentage rate ("APR") and the weighted average securitization rate at the
    close date.
 
     WFS computes a gain on sale with respect to contracts securitized based on
the present value of the estimated future excess earnings to be received from
such contracts using a market discount rate. Gain on sale is recorded as
retained interest in securitized assets on the balance sheet and is amortized
against servicing income over the life of the contracts. The gain recorded in
the income statement is adjusted for prepaid dealer participations, issuance
costs and the effect of hedging activities. See "Note A -- Summary of
Significant Accounting Policies" to WFS' Consolidated Financial Statements.
 
RESULTS OF OPERATIONS
 
  Servicing Income
 
     Servicing income increased to $138 million during 1997 compared to $112
million during 1996 and $71.8 million during 1995, representing increases of 23%
and 56%, respectively. The increase in servicing income is the result of an
increase in contracts serviced by WFS.
 
     Contractual servicing is earned at a rate of 1.0% per annum on the
outstanding balance of contracts securitized and is consistent with industry
standards. Retained interest income is dependent upon the average excess spread
on the contracts sold and the performance of the contracts. Servicing fee income
is related to the size of the serviced portfolio. During the past three years,
WFS increased its average serviced portfolio to $3.4 billion in 1997 from $2.6
billion and $1.9 billion in 1996 and 1995, respectively. Other fee income,
consisting primarily of documentation fees, late charges and deferment fees,
increased to $37.1 million during
 
                                       16
<PAGE>   19
 
1997 compared to $32.3 million and $21.3 million in 1996 and 1995, respectively,
representing increases of 15% and 52%, respectively. These increases in other
fee income are related to the increase in the number of contracts purchased and
serviced.
 
<TABLE>
<CAPTION>
                                                  FOR THE YEAR ENDED DECEMBER 31,
                                                  --------------------------------
                                                    1997        1996        1995
                                                  ---------   ---------   --------
                                                       (DOLLARS IN THOUSANDS)
<S>                                               <C>         <C>         <C>
Retained interest income........................  $ 69,844    $ 55,219    $34,165
Contractual servicing income....................    30,803      24,404     16,313
Other fee income................................    37,106      32,346     21,346
                                                  --------    --------    -------
          Total servicing income................  $137,753    $111,969    $71,824
                                                  ========    ========    =======
</TABLE>
 
     Servicing income may be impacted by changes in the amount of losses and
amount and timing of prepayments. Increased credit losses reduce the amount of
retained interest income earned by WFS, although the extent of such losses is
dependent upon the timing as well as the amount of the increases of such losses,
if any. Furthermore, changes in the amount and timing of prepayments may also
affect the amount and timing of retained interest income. The Company believes
that prepayments have not historically been affected by changes in interest
rates or general economic conditions. Increased competition may also affect the
amount of other fee income that WFS may earn when originating or servicing
contracts.
 
     WFS has completed 40 securitization transactions to date since its first
transaction in December 1985. Eleven of these transactions were on balance sheet
collateralized bond offerings and the remaining 29 were off balance sheet
trusts. Nineteen transactions have been paid in full and all were paid on or
before their contractual maturity dates.
 
  Net Interest Income
 
     Net interest income is the difference between the rate earned on contracts
held on balance sheet and the interest costs associated with the Company's
borrowings. Net interest income totaled $52.7 million in 1997 compared to $53.5
million and $44.2 million in 1996 and 1995, respectively. The following table
shows the average rate earned on contracts and the average rate paid on
borrowings, consisting primarily of advances from the Bank, together with the
corresponding net interest rate spread for years ended 1997, 1996 and 1995.
 
<TABLE>
<CAPTION>
                                                        FOR THE YEAR ENDED
                                                           DECEMBER 31,
                                                      -----------------------
                                                      1997     1996     1995
                                                      -----    -----    -----
<S>                                                   <C>      <C>      <C>
Yield on contracts..................................  13.81%   14.83%   14.05%
Cost of borrowings..................................   8.16     6.44     6.30
                                                      -----    -----    -----
Net interest rate spread............................   5.65%    8.39%    7.75%
                                                      =====    =====    =====
</TABLE>
 
     The decline in the net interest rate spread in 1997 was primarily due to
the promissory note of $50 million which was entered into in 1997. See "Note
F -- Intercompany Agreements" to WFS' Consolidated Financial Statements.
 
     As WFS securitizes its on balance sheet contracts, revenue previously
recognized as net interest income will, upon such securitization, be recognized
as servicing income. Prior to securitizing contracts, WFS earns interest income
on its contracts, pays interest expense to fund the contracts and absorbs any
credit losses. After securitization, the net cash flows are recorded as
servicing income. To protect against changes in interest rates, WFS hedges
contracts prior to their securitization with forward agreements. The gain or
loss on these forward agreements is deferred and included as part of the basis
of the underlying contracts and recognized when the contracts are securitized.
See "Capital Resources and Liquidity."
 
     The Company's primary source of borrowings has been advances from its
parent. These advances were provided on an as-needed basis at a weighted average
rate equal to 8.16% in 1997, 6.44% in 1996 and 6.30% in 1995. For 1997, 1996 and
1995, the cost of borrowings represents the average combined rate of the Senior
 
                                       17
<PAGE>   20
 
Note, Promissory Note and the Line of Credit. See "Capital Resources and
Liquidity" and "Transactions with Affiliates."
 
  Gain on Sale of Contracts
 
     WFS recorded gain on sale of contracts of $39.4 million, $41.5 million and
$18.9 million in 1997, 1996 and 1995, respectively. Gain on sale of contracts
has fluctuated as a result of changes in the gross interest rate spread of
contracts securitized (see the table under "Overview"), the amount of dealer
participation paid, changes in credit loss assumptions, and the effect of
hedging activities. Gross interest rate spread is affected by product mix,
general market conditions and overall market interest rates. The risks inherent
in interest rate fluctuation are substantially reduced through hedging
activities.
 
  Provision for Credit Losses
 
     The Company maintains an allowance for credit losses to cover anticipated
losses on the contracts held on balance sheet. The allowance for credit losses
is increased by charging the provision for credit losses and decreased by actual
losses on the contracts held on balance sheet or by the reduction of contracts
held on balance sheet. The level of the allowance is determined based
principally on the outstanding balance of contracts held on balance sheet,
pending sales of contracts and historical loss trends. When WFS sells contracts
in a securitization transaction, it reduces its allowance for credit losses and
factors potential losses into its calculation of gain on sale. WFS believes that
the allowance for credit losses is currently adequate to absorb potential losses
in the owned portfolio. See "Note A -- Summary of Significant Accounting
Policies" to WFS' Consolidated Financial Statements.
 
     During 1997, the provision for credit losses totaled $8.2 million compared
to $10.3 million and $6.5 million in 1996 and 1995, respectively. The decrease
in provision for credit losses in 1997 was due to lower loss experience
contracts, and fewer loans held on balance sheet, which thereby resulted in a
decrease in the level of allowance for credit losses.
 
  Operating Expenses
 
     Operating expenses consist of salaries and employee benefits, occupancy
expense, credit and collections expense, telephone expense and other
miscellaneous costs. Over the past three years, these expenses have increased as
WFS' operations have expanded. At the end of 1994, WFS operated in seven states.
Since 1994, WFS has expanded its operations to include thirty seven states. As
the servicing portfolio increases, costs related to credit, collection,
telephone and other related expenses increase as well.
 
     Total operating expenses in 1997 were $167 million, up 28% from $130
million in 1996. Total operating expenses in 1996 increased 69% from $77.3
million in 1995. The increases in total operating expenses are primarily
attributable to WFS' increased originations, servicing portfolio and geographic
presence. Salaries and employee benefits expense increased to $95.7 million in
1997 from $71.9 million and $43.4 million in 1996 and 1995, respectively. This
increase is largely due to an increase in the number of employees necessary to
originate and service the increased number of contracts purchased. As a result
of expanded operations, occupancy expense, increased to $12.7 million in 1997
from $7.6 million and $4.6 million in 1996 and 1995, respectively.
 
     Other operating expenses include credit and collections costs, telephone
and miscellaneous other expenses. Credit and collections expense increased to
$14.5 million in 1997 compared to $9.1 million and $5.6 million in 1996 and
1995, respectively. Telephone expense totaled $7.8 million in 1997 compared to
$4.3 million in 1996 and $2.2 million in 1995. Miscellaneous expenses, which
include travel, marketing, stationery, supplies, postage, legal and professional
fees and other ancillary costs, totaled to $36.7 million in 1997 compared to
$37.5 million and $21.4 million for 1996 and 1995, respectively.
 
     The Company announced a restructuring plan on February 10, 1998 which
consolidated offices and reduced staff. In the first quarter, the Company
consolidated 15 prime lending dealer centers and 44 non-prime lending branch
offices in the western United States into 12 regional business centers and 15
satellite offices.
 
                                       18
<PAGE>   21
 
Each location will buy the full spectrum of prime and non-prime credit from
Dealers through a single sales and marketing approach which will provide
enhanced service and is expected to increase volume. As a result, 150 positions
were eliminated. The restructuring plan will result in a one-time pre-tax
accounting charge for the first quarter ended March 31, 1998 of approximately
$9.0 million or $0.20 per diluted share. The plan, once fully implemented, is
expected to save up to $12.0 million or $0.27 per diluted share annually in
expenses.
 
     WFS pays a monthly management fee to the Bank and Westcorp which covers
various expenses, including accounting, legal, tax, cash management, purchasing
and auditing services. Additionally, the Bank and Westcorp pay fees to WFS for
information services. The management fee is based upon the actual costs incurred
and estimates of actual usage. WFS believes that the management fee approximates
the cost to perform these services on its own behalf or to acquire them from
third parties. WFS has the option, under the management agreements, to procure
these services on its own should it be more economically beneficial to WFS to do
so. See "Transactions with Affiliates -- Management Agreements".
 
  Income Taxes
 
     WFS files federal and certain state tax returns as part of a consolidated
group that includes the Bank and Westcorp, the holding company parent of the
Bank. Other state tax returns are filed by WFS as a separate entity. Tax
liabilities from the consolidated returns are allocated in accordance with a tax
sharing agreement based on the relative income or loss of each entity on a
stand-alone basis. The effective tax rate for WFS was 42% for 1997 compared to
42% and 41% for 1996 and 1995, respectively. See "Transactions with
Affiliates -- Tax Sharing Agreement".
 
FINANCIAL CONDITION
 
  Contracts Receivable and Contracts Held for Sale
 
     WFS holds a portfolio of contracts on balance sheet for investment that
totaled $52.6 million at December 31, 1997 and $53.3 million at December 31,
1996. Contracts held for sale totaled $184 million at December 31, 1997 compared
to $186 million at December 31, 1996. The balance in the held for sale portfolio
is largely dependent upon the timing of the origination and securitization of
contracts. WFS completed securitization transactions of $2.2 billion during
1997. WFS plans to continue to securitize contracts on a regular basis. See
"Note A -- Summary of Significant Accounting Policies" to WFS' Consolidated
Financial Statements.
 
  Amounts Due From Trusts
 
     The excess cash flow generated by contracts sold to trusts is deposited
into spread accounts by the trustee under the terms of the securitization
transactions. In addition, at the time a securitization transaction closes, WFS
advances additional monies to initially fund these spread accounts. These funds,
as well as the excess spread, are paid to WFS after the spread accounts reach a
predetermined funding level. Amounts due from trusts represent funds due to WFS
not yet disbursed from the spread accounts. The amounts due from trusts at
December 31, 1997 was $295 million compared with $191 million at December 31,
1996. The increase is a result of the increase in total contracts securitized
and outstanding.
 
  Retained Interest in Securitized Assets
 
     Effective January 1, 1997, the Company adopted Statement of Financial
Accounting Standards No. 125 ("SFAS 125"), "Accounting for Transfers and
Servicing of Financial Assets and Extinguishments of Liabilities". SFAS 125
requires that, following a transfer of financial assets, the transferor
recognizes the assets it controls and the liabilities it has incurred, and
derecognize assets for which control has been surrendered and liabilities that
have been extinguished. For securitization transactions, SFAS 125 defines two
separate financial assets retained at the time of securitization, a retained
interest in securitized assets, which represents the excess spread created from
securitization, and a servicing rights asset which represents the
 
                                       19
<PAGE>   22
 
benefit derived from retaining the rights to service the contracts securitized.
Previous accounting guidance did not separately distinguish these rights.
 
     Retained interests in securitized assets ("RISA") capitalized upon
securitization of contracts represent the present value of the estimated future
earnings to be received by WFS from the excess spread created in securitization
transactions. Excess spread is the difference between the coupon rate of the
contracts sold and the interest rate paid to the investors less contractually
specified servicing and guarantor fees.
 
     Prepayment and credit loss assumptions are utilized to project future
excess spread and are based upon historical experience. Credit losses are
estimated using a cumulative loss rate estimated by management to reduce the
likelihood of asset impairment. All assumptions used are evaluated each quarter
and adjusted, if appropriate, to reflect actual performance of the contracts.
 
     Future earnings are discounted at a rate management believes to be
representative of the market at the time of securitization. The balance of the
RISA is amortized against actual excess spread income earned on a monthly basis
over the expected repayment life of the underlying contracts. Similar to
available for sale securities, RISAs are marked to market each quarter. Market
value changes are calculated by discounting the excess spread using a current
market discount rate. Any changes in the market value of the RISA is reported as
a separate component of shareholders' equity as an unrealized gain or loss, net
of applicable taxes.
 
     WFS retains the rights to service all contracts it securitizes. Consumer
servicing rights assets ("CSRA") represent the present value of the estimated
future earnings to be received from servicing securitized contracts. These
earnings are calculated by estimating future servicing revenues, including
contractually specified servicing fees, late charges, other ancillary income,
and float benefit and netting them against the actual cost to service contracts.
WFS has not capitalized any servicing rights as of December 31, 1997.
 
<TABLE>
<CAPTION>
                                                  FOR THE YEAR ENDED DECEMBER 31,
                                                 ---------------------------------
                                                   1997        1996        1995
                                                 ---------   ---------   ---------
                                                      (DOLLARS IN THOUSANDS)
<S>                                              <C>         <C>         <C>
Beginning balance..............................  $121,597    $ 78,045    $ 43,426
Additions......................................   112,230     104,071      78,506
Amortization...................................   (53,421)    (60,519)    (43,887)
Change in unrealized gain on securities
  available for sale...........................       771          --          --
                                                 --------    --------    --------
Ending balance.................................  $181,177    $121,597    $ 78,045
                                                 ========    ========    ========
</TABLE>
 
     In initially valuing the RISA, WFS establishes an off balance sheet
allowance for expected future credit losses. The allowance is based upon
historical experience and management's estimate of future performance regarding
credit losses and includes an unallocated amount to reduce the likelihood of
impairment of the RISA. The amount is reviewed periodically and adjustments are
made if actual experience or other factors indicate that future performance may
differ from management's prior expectations.
 
     The following table presents the estimated future undiscounted retained
interest earnings to be received from securitizations. Estimated future
undiscounted RISA earnings are calculated by taking the difference between the
coupon rate of the contracts sold and the certificate rate paid to the
investors, less the contractually specified servicing fee of 1.0% and guarantor
fees, after giving effect to estimated prepayments and assuming no losses. To
arrive at the RISA, this amount is reduced by the off balance sheet allowance
established for potential future losses and by discounting to present value.
Prior to the adoption of SFAS 125, WFS reduced excess spread by the actual cost
to service contracts instead of the contractually specified servicing fee. The
actual cost to service contracts is now included in the computation of the CSRA.
 
                                       20
<PAGE>   23
 
<TABLE>
<CAPTION>
                                                              DECEMBER 31,
                                                                  1997
                                                              ------------
                                                              (DOLLARS IN
                                                               THOUSANDS)
<S>                                                           <C>
Estimated net undiscounted cash flows.......................   $  438,190
Off balance sheet allowance for losses......................     (236,796)
Discount to present value...................................      (20,217)
                                                               ----------
Retained interest in securitized assets.....................   $  181,177
                                                               ==========
Outstanding balance of contracts sold through
  securitizations...........................................   $3,449,590
Off balance sheet allowance for losses as a percent of
  contracts sold through securitizations....................         6.86%
</TABLE>
 
     WFS believes that the off balance sheet allowance for losses is currently
adequate to absorb potential losses in the sold portfolio. Had SFAS 125 been in
effect at December 31, 1996, the off balance sheet allowance for losses as a
percent of contracts sold through securitizations would have been 8.03%.
 
  Asset Quality
 
     Servicing income is affected by the quality of the underlying contracts
purchased and securitized by WFS. Servicing contracts includes managing
delinquent contracts, repossessing and selling autos, securing defaulted
contracts and recovering deficiency balances. At December 31, 1997,
delinquencies for the serviced portfolio was 2.20% based on the dollar amount of
contracts outstanding compared to 1.80% and 1.24% at December 31, 1996 and 1995.
Net chargeoffs on average contracts outstanding during the period totaled 3.02%
at December 31, 1997 compared to 2.30% and 1.61% at December 31, 1996 and 1995,
respectively. WFS believes the increase is primarily due to a shift in product
mix from prime to non-prime contracts. Other factors that management believes
have also affected losses include increased competition and increased personal
bankruptcies. See "Business -- Maintain Solid Asset Quality".
 
CAPITAL RESOURCES AND LIQUIDITY
 
     WFS requires substantial capital resources to support its business. The
primary cash requirements related to operating activities include (i) amounts
needed to purchase contracts, (ii) dealer participation, (iii) securitization
costs including spread account advances, and (iv) interest advances to trusts.
WFS also uses significant amounts of cash for operating. Sources of cash
available to WFS include contract securitizations, borrowings under the Line of
Credit and Notes payable and collections of principal and interest from
contracts. These sources provide capital to fund the purchase of contracts. It
is anticipated that the purchase of contracts will continue to be the major use
of cash for WFS.
 
PRINCIPAL USES OF CASH
 
  Purchase of Contracts
 
     The most significant cash flow requirement is for the purchase of
contracts. WFS primarily uses the Line of Credit to fund its purchase of
contracts from Dealers and consumers, which are held for sale until securitized.
WFS purchased $2.3 billion of contracts during 1997 compared to $2.1 billion in
1996 and $1.5 billion in 1995.
 
  Dealer Participation
 
     Consistent with industry practice, WFS pays an up-front dealer
participation to the originating Dealer for each contract purchased.
Participation paid by the Company to dealers during 1997 was $68.0 million
compared to $68.6 million in 1996 and $49.6 million in 1995.
 
                                       21
<PAGE>   24
 
  Contract Securitizations
 
     WFS is required to fund spread accounts related to contract
securitizations. At the time a securitization transaction closes, WFS advances
monies to initially fund these spread accounts. These spread accounts are fully
funded by the Company foregoing receipt of excess cash flow until these spread
accounts reach predetermined levels. Amounts due from trusts represent funds due
to WFS which have not yet been disbursed from the spread accounts. The amounts
due from trusts at December 31, 1997, including initial advances not yet
returned, was $295 million compared to $191 million at December 31, 1996.
 
  Advances Due to Servicer
 
     As the servicer of contracts sold in securitizations, WFS periodically
makes advances to the securitization trusts to provide for temporary delays in
the receipt of required payments by borrowers in accordance with servicing
agreements. WFS receives reimbursement of these advances through payments from
the obligor on the contracts or from the trustee at the time a contract
liquidates.
 
PRINCIPAL SOURCES OF CASH
 
  Contract Securitizations
 
     The primary source of funds for WFS is the securitization of contracts. WFS
has regularly securitized contracts through underwritten public sales of AAA/Aaa
rated securities since 1986. Although the underlying interest costs associated
with securitizations fluctuate, they are primarily market driven and not
necessarily related to the operations of WFS. WFS expects to continue to utilize
securitization transactions as part of its liquidity strategy, although no
assurance can be given due to changing market conditions.
 
  Intercompany Line of Credit
 
     WFS uses the Line of Credit primarily to fund its purchase of contracts
from Dealers and from consumers, which are held for sale until securitized. WFS
does not pay a commitment fee to the Bank for the Line of Credit. When WFS
consummates a securitization, it uses the proceeds to pay down its warehouse
line with the Bank, making the warehouse line available to purchase new
contracts. The rate of interest on the line is based upon a margin over the
federal composite commercial paper rate, with the margin increasing from 10 to
50 basis points to the extent the borrowings are not secured. WFS has the option
of determining whether and to what extent the line will be secured. For 1997,
the warehouse line was secured. It is anticipated that the line will generally
be paid down following each securitization transaction, although WFS is not
required to do so. WFS believes that the cost of the warehouse line with the
Bank approximates the cost of warehouse lines from third parties. See
"Business -- Transactions with Affiliates".
 
  Senior Note and Promissory Note
 
     WFS' also receives long-term financing from the Bank under the terms of its
$125 million Senior Note and its $50 million Promissory Note. The Senior Note is
unsecured and has a fixed interest rate of 7.25% and a final maturity in 2003.
The Promissory Note is unsecured and has a fixed rate of 9.42% and a final
maturity in 2002.
 
  Reinvestment Contract
 
     WFS receives principal and interest collections from contracts securitized.
WFS may use these collections without limitations in its operations until
payments are due to investors as long as they are deposited into a RIC at the
Bank. See "Business -- Transactions with Affiliates".
 
     These financing sources are expected to provide adequate funding of the
Company's operations. The Company believes that its sources of liquidity are
sufficient to meet its long and short term cash requirements.
 
                                       22
<PAGE>   25
 
ASSET/LIABILITY MANAGEMENT
 
     Asset/liability management is the process of measuring and controlling
interest rate risk through matching the maturity and repricing characteristics
of interest earning assets with those of interest bearing liabilities.
 
     The contracts originated and held by WFS are all fixed rate and accordingly
WFS has exposure to changes in interest rates. WFS' prepayment experience on
contracts has not been historically sensitive to changes in interest rates and
WFS therefore believes it is not expected to be exposed to significant
prepayment risk relative to changes in interest rates. As a result of this
approach to interest rate management, combined with the Company's hedging
strategies, WFS does not anticipate that changes in interest rates will
materially affect the Company's results of operations or liquidity, although no
assurance can be given in this regard.
 
     The Company's hedging strategy includes the use of two-year Treasury
securities forward agreements. These agreements are entered into by the Company
in numbers and amounts which generally correspond to the principal amount of the
securitization transactions. The market value of these forward agreements
responds inversely to the market value changes of the underlying contracts.
Because of this inverse relationship, WFS can effectively lock in its gross
interest rate spread at the time of the hedge transaction. Gains and losses
relative to these agreements are deferred and recognized in full at the time of
securitization as an adjustment to the gain or loss on the sale of the
contracts. WFS uses only highly rated counterparties and further reduces its
risk by avoiding any material concentration with a single counterparty. Credit
exposure is limited to those agreements with a positive fair value and only to
the extent of that fair value. See "Note M -- Financial Instrument Agreements"
to WFS' Consolidated Financial Statements.
 
     Management monitors the Company's hedging activities to ensure that the
value of hedges, their correlation to the contracts being hedged and the amounts
being hedged continue to provide effective protection against interest rate
risk. The amount and timing of hedging transactions are determined by senior
management of WFS based upon the monitoring activities of the Company. WFS
hedges substantially all of its contracts pending securitization either through
outside parties or affiliated entities.
 
YEAR 2000
 
     Many computer systems process transactions based on two digits representing
the year of transaction (i.e., "97" for 1997), rather than the full four digits.
These computer systems may not operate properly when the last two digits become
"00", as will occur on January 1, 2000. In some cases a date after December 31,
1999 will cause a computer to stop operating, while in other cases incorrect
output may result. This could affect a wide variety of automated information
systems, such as mainframe applications, personal computers, communications
systems, and other information systems utilized by the Company.
 
     WFS initiated the process of preparing its computer systems and
applications for the year 2000 in July 1997. This process involves modifying or
replacing certain hardware and software maintained by the Company as well as
communicating with external service providers to ensure that they are taking the
appropriate action to remedy their year 2000 issues. Management expects to have
modified substantially all of the systems and applications by the end of 1998
and completed testing by the third quarter of 1999 and believes its level of
preparedness is appropriate.
 
     Based on currently available information, management does not anticipate
that the cost to address the Year 2000 issues will have a material adverse
impact on the Company's financial condition, results of operations or cash
flows.
 
EFFECT OF INFLATION AND CHANGING PRICES
 
     Unlike many industrial companies, substantially all of the assets and
liabilities of WFS are monetary in nature. As a result, interest rates have a
more significant effect on WFS' performance than the general level of inflation.
See "Asset/Liability Management".
 
                                       23
<PAGE>   26
 
CURRENT ACCOUNTING PRONOUNCEMENTS
 
     Statement of Financial Accounting Standards No. 125, "Accounting for
Transfers and Servicing of Financial Assets and Extinguishments of Liabilities",
("SFAS 125") was issued by the Financial Accounting Standards Board in June
1996. SFAS 125 established standards for the recognition and measurement of
transactions involving transfers of financial assets. SFAS 125 adopts a
financial components approach which, after a transfer of financial assets,
requires recognition of assets which continue to be controlled by the transferor
and derecognition of assets for which control has been surrendered. The
provisions of SFAS 125 were adopted by the Company prospectively for
transactions occurring after January 1, 1997.
 
     Statement of Financial Accounting Standards No. 128, "Earnings Per Share",
("SFAS 128") was issued by the Financial Accounting Standards Board in February
1997 and is effective for financial statements issued for periods ending after
December 15, 1997. SFAS 128 requires WFS to change the method currently used to
compute earnings per share ("EPS") and to restate all prior periods. Primary and
Fully Diluted EPS calculations were replaced with Basic and Diluted EPS
calculations, respectively. The impact of SFAS 128 on the calculation of Basic
and Diluted EPS calculations was not material.
 
FORWARD-LOOKING STATEMENTS
 
     The preceding Management's Discussion and Analysis of Financial Condition
and Results of Operations section contains certain "forward-looking" statements
within the meaning of the Private Securities Litigation Reform Act of 1995 which
provides a new "safe harbor" for these types of statements. This Annual Report
on Form 10-K contains forward-looking statements which reflect WFS' current
views with respect to future events and financial performance. These
forward-looking statements are subject to certain risks and uncertainties,
including those identified below, which could cause actual results to differ
materially from historical results or those anticipated. The forward-looking
terminology such as "believe", "expect", "design", "anticipate", "intend",
"may", "will", "should", "estimate", "continue" and/or the negative thereof or
other comparable expressions which indicate future events and trends identify
forward-looking statements. Readers are cautioned not to place undue reliance on
these forward-looking statements, which speak only as of their dates. WFS
undertakes no obligation to publicly update or revise any forward-looking
statements, whether as a result of new information, future events or otherwise.
The following factors could cause actual results to differ materially from
historical results or those anticipated: (1) the level of demand for auto
contracts, which is affected by such external factors as the level of interest
rates, the strength of the various segments of the economy, debt burden held by
the consumer and demographics of WFS' lending markets; (2) continued dealer
relationships; (3) fluctuations between auto interest rates and the cost of
funds; (4) federal and state regulation of the WFS' auto lending operations; (5)
competition within the auto lending industry; (6) the availability and cost of
securitization transactions and (7) the impact of the restructuring to WFS'
operations.
 
ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
 
     WFS Consolidated Financial Statements begin on page F-3 of this report.
 
ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
FINANCIAL DISCLOSURE
 
     None
 
                                    PART III
 
     Certain information required by Part III is omitted from this report, as
WFS will file a definitive proxy statement (the "Proxy Statement") within 120
days after the end of its fiscal year pursuant to Regulation 14A of the
Securities Exchange Act of 1934 for its Annual Meeting of Stockholders to be
held April 29, 1998 and the information included therein is incorporated herein
by reference.
 
                                       24
<PAGE>   27
 
ITEM 10. DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT
 
     Information regarding directors appears under the caption "Election of
Directors" in the Proxy Statement and is incorporated herein by reference.
Information regarding executive officers appears under the caption "Executive
Officers Who Are Not Directors" in the Proxy Statement and is incorporated
herein by reference. Information regarding Section 16(a) Beneficial Ownership
Reporting Compliance appears under that caption in the Proxy Statement and is
incorporated herein by reference.
 
ITEM 11. EXECUTIVE COMPENSATION
 
     Information regarding executive compensation appears under the caption
"Executive Compensation Summary" in the Proxy Statement and is incorporated
herein by reference.
 
ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT
 
     Information regarding security ownership of certain beneficial owners and
management appears under the caption "Security Ownership of Certain Beneficial
Owners and Management" in the Proxy Statement and is incorporated herein by
reference.
 
ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS
 
     Information regarding certain relationships and related transactions
appears under the caption "Item 1. Business -- Transactions with Affiliates".
 
                                    PART IV
 
ITEM 14. EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K
 
     (a) LIST OF DOCUMENTS FILED AS PART OF THIS REPORT:
 
        (1) FINANCIAL STATEMENTS
 
           The following consolidated financial statements and report of
           independent auditors of WFS Financial Inc and Subsidiaries are
           included in this Report commencing on page F-2.
 
           Report of Independent Auditors
 
           Consolidated Statements of Financial Condition at the years ended
           December 31, 1997 and 1996.
 
           Consolidated Statements of Income for the years ended December 31,
           1997, 1996, and 1995.
 
           Consolidated Statements of Changes in Shareholders' Equity for the
           years ended December 31, 1997, 1996, and 1995.
 
           Consolidated Statements of Cash Flows for the years ended December
           31, 1997, 1996, and 1995.
 
           Notes to Consolidated Financial Statements
 
        (2)FINANCIAL STATEMENT SCHEDULES
 
           Schedules to the consolidated financial statements are omitted
           because the required information is inapplicable or the information
           is presented in WFS' consolidated financial statements or related
           notes.
 
                                       25
<PAGE>   28
 
        (3) EXHIBITS
 
<TABLE>
<CAPTION>
EXHIBIT NO.                      DESCRIPTION OF EXHIBIT
- -----------                      ----------------------
<C>           <S>
    1         Underwriting Agreement(1)
    3.1       Articles of Incorporation(1)
    3.2       Bylaws(1)
    4         Specimen WFS Financial Inc Common Stock Certificate(5)
   10.1       Westcorp Incentive Stock Option Plan(2)
   10.2       Westcorp, Inc. Employee Stock Ownership and Salary Savings
              Plan(3)
   10.3       Westcorp 1991 Stock Option Plan(4)
   10.4       1985 Executive Deferral Plan(1)
   10.5       1988 Executive Deferral Plan II(1)
   10.6       1992 Executive Deferral Plan III(1)
   10.7       Transfer Agreement between WFS Financial Inc and Western
              Financial Bank, F.S.B., dated May 1, 1995(1)
   10.8       Promissory Note of WFS Financial Inc in favor of Western
              Financial Bank, F.S.B., dated May 1, 1995(1)
   10.9       Line of Credit Agreement between WFS Financial Inc and
              Western Financial Bank, F.S.B., dated May 1, 1995(1)
   10.10      Tax Sharing Agreement between WFS Financial Inc and Western
              Financial Bank, F.S.B., dated January 1, 1994(1)
   10.11      Master Reinvestment Contract between WFS Financial Inc and
              Western Financial Bank, F.S.B., dated May 1, 1995(1)
   10.12      Management Agreement between WFS Financial Inc and Western
              Financial Bank, F.S.B., dated May 1, 1995(1)
   10.13      Management Agreement among WFS Financial Inc, Western
              Financial Bank, F.S.B., WFS Financial Auto Loans, Inc. and
              WFS Financial Auto Loans 2, Inc. dated May 1, 1995(1)
   10.14      Form of WFS Financial Inc Dealer Agreement(5)
   10.15      Form of WFS Financial Inc Loan Application(5)
   10.16      WFS 1996 Incentive Stock Option Plan(6)
   10.17      Westcorp Employee Stock Ownership and Salary Savings Plan(7)
   10.18      Promissory Note of WFS Financial Inc in favor of Western
              Financial Bank, F.S.B., dated August 1, 1997
   10.19      Investment Agreement between WFS Financial Inc and Western
              Financial Bank, F.S.B., dated January 1, 1996
   10.20      Management Services Agreement between WFS Financial Inc and
              Western Financial Bank, F.S.B., dated January 1, 1997
   10.21      Employment Agreement(8)(9)(10)
   21.1       Subsidiaries of WFS Financial Inc
   23.1       Consent of Ernst & Young LLP
   24         Power of Attorney(1)
   27         Financial Data Schedule
</TABLE>
 
- ---------------
 (1) Exhibits previously filed with WFS Financial Inc Registration Statement on
     Form S-1 (File No. 33-93068), filed August 8, 1995 incorporated herein by
     reference under Exhibit Number indicated.
 
                                       26
<PAGE>   29
 
 (2) Exhibits previously filed with Westcorp Registration Statement on Form S-1
     (File No. 33-4295), filed May 2, 1986 incorporated herein by reference
     under Exhibit Number indicated.
 
 (3) Exhibits previously filed with Westcorp Registration Statement on Form S-4
     (File No. 33-34286), filed April 11, 1990 incorporated herein by reference
     under Exhibit Number indicated.
 
 (4) Exhibits previously filed with Westcorp Registration Statement on Form S-8
     (File No. 33-43898), filed December 11, 1991 incorporated herein by
     reference under Exhibit Number indicated.
 
 (5) Amendment No. 1, dated as of July 14, 1995 to the WFS Financial Inc
     Registration statement on Form S-1 (File No. 33-93068) incorporated herein
     by reference under Exhibit Number indicated.
 
 (6) Exhibit previously filed with WFS Registration Statement on Form S-8 (File
     No. 33-7485), filed July 3, 1996 incorporated by reference under the
     Exhibit Number indicated. Amendment No. 1 dated as of November 13, 1997
     filed with the WFS Registration Statement on Form S-8 (File no. 333-40121)
     incorporated herein by reference under Exhibit Number indicated.
 
 (7) Exhibits previously filed with Westcorp Registration Statement on Form S-8
     (File No. 333-11039), filed August 29, 1996 incorporated herein by
     reference under Exhibit Number indicated.
 
 (8) Employment Agreement, in letter form, dated March 11, 1997 between Westcorp
     and Andrey R. Kosovych (will be provided to the SEC upon request).
 
 (9) Employment Agreement dated February 27, 1998 between the registrant and Joy
     Schaefer (will be provided to the SEC upon request).
 
(10) Employment Agreement dated February 27, 1998 between the registrant,
     Westcorp and Lee A. Whatcott (will be provided to the SEC upon request).
 
     (b) REPORT ON FORM 8-K
 
     None
 
                                       27
<PAGE>   30
 
                                   SIGNATURES
 
     Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.
 
                                          WFS FINANCIAL INC
 
                                          By:       /s/ JOY SCHAEFER
                                            ------------------------------------
                                            Joy Schaefer
                                            Vice Chairman, Director, President,
                                            Chief Executive Officer and Chief
                                            Operating Officer
 
Dated: March 11, 1998
 
<TABLE>
<CAPTION>
                       SIGNATURE                                      TITLE                   DATE
                       ---------                                      -----                   ----
<S>                                                       <C>                            <C>
 
                   /s/ ERNEST S. RADY                         Chairman of the Board      March 11, 1998
- --------------------------------------------------------
                     Ernest S. Rady
 
                    /s/ JOY SCHAEFER                        Vice Chairman, Director,     March 11, 1998
- --------------------------------------------------------   President, Chief Executive
                      Joy Schaefer                         Officer and Chief Operating
                                                                     Officer
 
                  /s/ JAMES R. DOWLAN                      Vice Chairman, Director and   March 11, 1998
- --------------------------------------------------------      Senior Executive Vice
                    James R. Dowlan                                 President
 
                  /s/ HOWARD C. REESE                      Vice Chairman and Director    March 11, 1998
- --------------------------------------------------------
                    Howard C. Reese
 
                 /s/ ANDREY R. KOSOVYCH                    Vice Chairman and Director    March 11, 1998
- --------------------------------------------------------
                   Andrey R. Kosovych
 
                  /s/ BERNARD E. FIPP                               Director             March 11, 1998
- --------------------------------------------------------
                    Bernard E. Fipp
 
                  /s/ DUANE A. NELLES                               Director             March 11, 1998
- --------------------------------------------------------
                    Duane A. Nelles
 
- --------------------------------------------------------            Director
                   Robert S. Waligore
 
                  /s/ LEE A. WHATCOTT                       Executive Vice President     March 11, 1998
- --------------------------------------------------------    (Principal Financial and
                    Lee A. Whatcott                       Accounting Officer) and Chief
                                                                Financial Officer
</TABLE>
 
                                       28
<PAGE>   31
 
                   INDEX TO CONSOLIDATED FINANCIAL STATEMENTS
 
                               WFS FINANCIAL INC
                       CONSOLIDATED FINANCIAL STATEMENTS
                       AND REPORT OF INDEPENDENT AUDITORS
 
<TABLE>
<CAPTION>
                                                              PAGE
                                                              ----
<S>                                                           <C>
REPORT OF INDEPENDENT AUDITORS..............................  F-2
CONSOLIDATED FINANCIAL STATEMENTS:
Consolidated Statements of Financial Condition at the years
  ended December 31, 1997 and 1996..........................  F-3
Consolidated Statements of Income for the years ended
  December 31, 1997, 1996 and 1995..........................  F-4
Consolidated Statements of Shareholders' Equity for the
  years ended December 31, 1997, 1996
  and 1995..................................................  F-5
Consolidated Statements of Cash Flows for the years ended
  December 31, 1997, 1996 and 1995..........................  F-6
Notes to Consolidated Financial Statements..................  F-7
</TABLE>
 
                                       F-1
<PAGE>   32
 
                         REPORT OF INDEPENDENT AUDITORS
 
Board of Directors
WFS Financial Inc
 
     We have audited the accompanying consolidated statements of financial
condition of WFS Financial Inc and Subsidiaries as of December 31, 1997 and
1996, and the related consolidated statements of income, shareholders' equity
and cash flows for each of the three years in the period ended December 31,
1997. These consolidated financial statements are the responsibility of WFS
Financial Inc's management. Our responsibility is to express an opinion on these
consolidated 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, the consolidated financial statements referred to above
present fairly, in all material respects, the consolidated financial position of
WFS Financial Inc and Subsidiaries at December 31, 1997 and 1996, and the
consolidated results of their operations and their cash flows for each of the
three years in the period ended December 31, 1997 in conformity with generally
accepted accounting principles.
 
                                          Ernst & Young LLP
 
Los Angeles, California
February 9, 1998
 
                                       F-2
<PAGE>   33
 
                       WFS FINANCIAL INC AND SUBSIDIARIES
 
                 CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION
 
<TABLE>
<CAPTION>
                                                                   DECEMBER 31,
                                                              ----------------------
                                                                1997         1996
                                                              ---------    ---------
                                                              (DOLLARS IN THOUSANDS)
<S>                                                           <C>          <C>
ASSETS
Short term investments -- parent............................  $146,820     $109,237
Contracts receivable........................................    52,596       53,288
Contracts held for sale.....................................   183,529      186,302
Allowance for credit losses.................................    (6,787)      (7,648)
                                                              --------     --------
     Contracts receivable, net..............................   229,338      231,942
Amounts due from trusts.....................................   295,123      191,469
Retained interest in securitized assets.....................   181,177      121,597
Property, plant and equipment...............................    21,406       16,904
Accrued interest receivable.................................     1,867        1,518
Other assets................................................     2,429        2,905
                                                              --------     --------
                                                              $878,160     $675,572
                                                              ========     ========
 
LIABILITIES
Notes payable -- parent.....................................  $175,000     $125,000
Amounts held on behalf of trustee...........................   488,654      393,449
Other liabilities...........................................    34,613        9,431
                                                              --------     --------
                                                               698,267      527,880
 
SHAREHOLDERS' EQUITY
Common stock, no par value; authorized 50,000,000 shares;
  issued and outstanding 25,708,611 shares in 1997 and
  25,684,168 in 1996........................................    73,564       73,124
Additional paid-in capital..................................     4,000        4,000
Retained earnings...........................................   101,882       70,568
Unrealized gain on retained interest in securitized assets,
  net of tax................................................       447           --
                                                              --------     --------
                                                               179,893      147,692
                                                              --------     --------
                                                              $878,160     $675,572
                                                              ========     ========
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
                                       F-3
<PAGE>   34
 
                       WFS FINANCIAL INC AND SUBSIDIARIES
 
                       CONSOLIDATED STATEMENTS OF INCOME
 
<TABLE>
<CAPTION>
                                                           FOR THE YEAR ENDED DECEMBER 31,
                                                      -----------------------------------------
                                                         1997           1996           1995
                                                      -----------    -----------    -----------
                                                               (DOLLARS IN THOUSANDS,
                                                              EXCEPT PER SHARE AMOUNTS)
<S>                                                   <C>            <C>            <C>
REVENUES:
  Interest income...................................  $    62,988    $    63,300    $    61,105
  Interest expense -- parent........................       10,331          9,767         16,857
                                                      -----------    -----------    -----------
Net interest income.................................       52,657         53,533         44,248
Servicing income....................................      137,753        111,969         71,824
Gain on sale of contracts...........................       39,399         41,518         18,856
                                                      -----------    -----------    -----------
          TOTAL REVENUES............................      229,809        207,020        134,928
EXPENSES:
  Provision for credit losses.......................        8,248         10,275          6,483
  Operating expenses:
     Salaries and employee benefits.................       95,731         71,897         43,436
     Occupancy......................................       12,654          7,631          4,635
     Credit and collections.........................       14,522          9,065          5,598
     Telephone......................................        7,786          4,266          2,201
     Miscellaneous..................................       36,725         37,466         21,445
                                                      -----------    -----------    -----------
          TOTAL OPERATING EXPENSES..................      167,418        130,325         77,315
                                                      -----------    -----------    -----------
          TOTAL EXPENSES............................      175,666        140,600         83,798
                                                      -----------    -----------    -----------
INCOME BEFORE INCOME TAXES..........................       54,143         66,420         51,130
  Income taxes......................................       22,829         27,779         20,963
                                                      -----------    -----------    -----------
          NET INCOME................................  $    31,314    $    38,641    $    30,167
                                                      ===========    ===========    ===========
Net income per common share -- Basic................  $      1.22    $      1.50    $      1.33
                                                      ===========    ===========    ===========
Net income per common share -- Diluted..............  $      1.22    $      1.50    $      1.33
                                                      ===========    ===========    ===========
Weighted average number of shares
  outstanding -- Basic..............................   25,691,892     25,684,175     22,732,509
                                                      ===========    ===========    ===========
Weighted average number of shares
  outstanding -- Diluted............................   25,696,513     25,723,378     22,732,509
                                                      ===========    ===========    ===========
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
                                       F-4
<PAGE>   35
 
                         WFS FINANCIAL AND SUBSIDIARIES
 
                CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
 
<TABLE>
<CAPTION>
                                                                                   UNREALIZED
                                                                                    GAIN ON
                                                                                    RETAINED
                                                                                  INTEREST IN
                                                         ADDITIONAL               SECURITIZED
                                               COMMON     PAID-IN     RETAINED   ASSETS, NET OF
                                    SHARES      STOCK     CAPITAL     EARNINGS        TAX          TOTAL
                                  ----------   -------   ----------   --------   --------------   --------
                                                           (DOLLARS IN THOUSANDS)
<S>                               <C>          <C>       <C>          <C>        <C>              <C>
Balance, January 1, 1995........  18,749,250   $ 3,014     $4,000     $  1,760                    $  8,774
Net income......................                                        30,167                      30,167
Sale of 4,600,000 shares of no
  par value common stock........   4,600,000    70,110                                              70,110
                                  ----------   -------     ------     --------        ----        --------
Balance, December 31, 1995......  23,349,250    73,124      4,000       31,927                     109,051
Net income......................                                        38,641                      38,641
10% stock dividend..............   2,334,918
                                  ----------   -------     ------     --------        ----        --------
Balance, December 31, 1996......  25,684,168    73,124      4,000       70,568                     147,692
Stock options exercised.........      24,443       440                                                 440
Net income......................                                        31,314                      31,314
Change in unrealized gain on
  retained interest in
  securitized assets, net of
  tax...........................                                                      $447             447
                                  ----------   -------     ------     --------        ----        --------
Balance, December 31, 1997......  25,708,611   $73,564     $4,000     $101,882        $447        $179,893
                                  ==========   =======     ======     ========        ====        ========
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
                                       F-5
<PAGE>   36
 
                       WFS FINANCIAL INC AND SUBSIDIARIES
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
 
<TABLE>
<CAPTION>
                                                            FOR THE YEAR ENDED DECEMBER 31,
                                                        ---------------------------------------
                                                           1997          1996          1995
                                                        -----------   -----------   -----------
                                                                (DOLLARS IN THOUSANDS)
<S>                                                     <C>           <C>           <C>
OPERATING ACTIVITIES
Net income............................................  $    31,314   $    38,641   $    30,167
Adjustments to reconcile net income to net cash
  provided by operating activities:
  Provision for credit losses.........................        8,248        10,275         6,483
  Depreciation........................................        9,731           739         1,342
  Amortization of deferred fees.......................         (190)         (249)         (286)
  (Increase) decrease in assets:
     Automobile contracts:
       Purchase of contracts..........................   (2,285,279)   (2,121,689)   (1,527,649)
       Proceeds from sale of contracts................    2,190,000     2,090,000     1,480,000
       Other change in contracts......................       89,826       105,757       151,883
     Retained interest in securitized assets, net.....      (58,808)      (43,552)      (34,619)
     Interest receivable..............................         (349)          410          (650)
     Other assets.....................................          474       (14,382)        1,463
  Increase (decrease) in liabilities:
     Deferred income tax expense (benefit)............       16,021        19,524        (4,711)
     Other liabilities................................        8,836         1,585         5,655
                                                        -----------   -----------   -----------
NET CASH PROVIDED BY OPERATING ACTIVITIES.............        9,824        87,059       109,078
INVESTING ACTIVITIES
Purchase of property, plant and equipment.............      (14,233)      (13,361)       (2,763)
Increase in trust receivable..........................     (103,653)      (81,238)      (41,101)
                                                        -----------   -----------   -----------
NET CASH USED IN INVESTING ACTIVITIES.................     (117,886)      (94,599)      (43,864)
FINANCING ACTIVITIES
Proceeds from issuance of common stock................          440            --        70,110
Net increase (decrease) in borrowings from parent.....       50,000            --      (195,792)
Increase in trustee accounts..........................       95,205        51,757       125,488
                                                        -----------   -----------   -----------
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES...      145,645        51,757          (194)
                                                        -----------   -----------   -----------
INCREASE IN CASH AND CASH EQUIVALENTS.................       37,583        44,217        65,020
Cash and cash equivalents at beginning of period......      109,237        65,020            --
                                                        -----------   -----------   -----------
CASH AND CASH EQUIVALENTS AT END OF PERIOD............  $   146,820   $   109,237   $    65,020
                                                        ===========   ===========   ===========
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for:
  Interest............................................  $    10,746   $     9,542   $    18,773
  Income taxes........................................        5,397        17,294        18,643
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
                                       F-6
<PAGE>   37
 
                       WFS FINANCIAL INC AND SUBSIDIARIES
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                               DECEMBER 31, 1997
 
NOTE A -- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
     Basis of Presentation: The accompanying consolidated financial statements
include the accounts of WFS Financial Inc ("WFS") and its subsidiaries, WFS
Financial Auto Loans, Inc. ("WFAL"), WFS Financial Auto Loans 2, Inc. ("WFAL2")
and WFS Investments, Inc. ("WFSII"). All significant intercompany transactions
and accounts have been eliminated in consolidation. Certain amounts have been
reclassified to conform to the 1996 presentation. After the initial public
offering on August 8, 1995, WFS became a majority owned subsidiary of Western
Financial Bank ("the Bank"), which is a wholly owned subsidiary of Westcorp.
 
     WFS pays a monthly management fee to the Bank and Westcorp which covers
various expenses, including accounting, legal, tax, cash management, purchasing
and auditing services. Additionally, the Bank and Westcorp pay a fee to WFS for
information services. The management fee is based upon the actual costs incurred
and estimates of actual usage. WFS believes that the management fee approximates
the cost to perform these services on its own behalf or to acquire them from
third parties. WFS has the option, under the management agreements, to procure
these services on its own should it be more economically beneficial to WFS to do
so.
 
     Use of Estimates: The preparation of financial statements in conformity
with generally accepted accounting principles requires management to make
estimates and assumptions that affect the amounts reported in the financial
statements and accompanying notes. Actual results could differ from those
estimates.
 
     Nature of Operations: WFS is a consumer finance company that specializes in
the purchase, securitization and service of fixed rate consumer auto loans
("contracts"). WFS purchases contracts from Dealers on a nonrecourse basis and
originates loans directly with the consumer which are collectively known as
contracts. WFS purchased contracts in 37 states from approximately 12,000
dealers.
 
     Cash and Cash Equivalents: Cash and cash equivalents includes short term
investments with the Bank. There are no material restrictions as to the
withdrawal or usage of this amount.
 
     Allowance for Credit Losses: The allowance for credit losses is maintained
at a level believed adequate by management to absorb potential losses in the on
balance sheet contract portfolio. Management's determination of the adequacy of
the allowance is based on an evaluation of the portfolio, past contract loss
experience, current economic conditions, volume, pending contract sales, growth
and composition of the contract portfolio, and other relevant factors. The
allowance is increased by provisions for credit losses charged against income.
 
     Sales of Contracts: Contracts are originated and sold to investors with
servicing rights retained by WFS. WFS does not retain any recourse with respect
to the contracts securitized. As part of the sale, the trustee reimburses the
Company for borrowing costs incurred between the cut-off date of the loans and
the closing date of the sale.
 
     Gain on sale of contracts represents the present value of the estimated
future earnings to be received from the excess spread created in the
securitization transactions less prepaid dealer participations, issuance costs,
and the effect of hedging activities. These retained interest in securitized
assets ("RISA") are capitalized and amortized over the expected repayment life
of the underlying contracts.
 
     WFS evaluates quarterly the carrying value of its RISA in light of the
actual repayment experience of the underlying contracts and makes adjustments to
reduce the carrying value, if appropriate. Servicing income and amortization of
RISA are included in servicing income in the Consolidated Statements of Income.
 
     As servicer of these contracts, WFS holds and remits funds collected from
the borrowers on behalf of the trustee pursuant to a reinvestment contract that
WFS has entered into with the Bank. These amounts are
 
                                       F-7
<PAGE>   38
                       WFS FINANCIAL INC AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                               DECEMBER 31, 1997
 
reported as amounts held on behalf of trustee. WFS retains servicing rights and
is entitled to servicing income. Amounts due from trusts represents servicing
income earned by WFS for which WFS has not yet received repayment from the
trust.
 
     Nonaccrual Contracts: WFS continues to accrue interest income on contracts
until the contract is charged off, which occurs automatically after the contract
is past due 120 days. At the time that the contract is charged off, all accrued
interest is also charged off.
 
     Contracts Held for Sale: Contracts held for sale are stated at the lower of
aggregate amortized cost or market. The carrying amount of the specific contract
pool sold is used to compute gains or losses. Market value is based on
discounted cash flow calculations, which approximates the amounts realized upon
securitization of the contracts.
 
     WFS' hedging strategy includes the use of two-year Treasury securities
forward agreements. These agreements are entered into by the Company in numbers
and amounts which generally correspond to the principal amount of the
securitization transactions. The market value of these forward agreements
responds inversely to the market value changes of the underlying contracts.
Because of this inverse relationship, WFS can effectively lock in its gross
interest rate spread at the time of the hedge transaction. Gains and losses
relative to these agreements are deferred and recognized in full at the time of
securitization as an adjustment to the gain or loss on the sale of the
contracts. WFS uses only highly rated counterparties and further reduces its
risk by avoiding any material concentration with a single counterparty. Credit
exposure is limited to those agreements with a positive fair value and only to
the extent of that fair value.
 
     Property, Plant and Equipment: Property, plant and equipment are recorded
at cost less accumulated depreciation and amortization and are depreciated over
their estimated useful lives principally using the straight line method for
financial reporting and accelerated methods for tax purposes. Leasehold
improvements are amortized over the lives of the respective leases or the
service lives of the improvements, whichever is shorter. As part of Westcorp's
efforts to more closely align administrative services with those operations they
support, Westcorp transferred computers and software to WFS during 1996.
 
     Interest Income and Fee Income: Interest income is earned in accordance
with the terms of the contracts. For precomputed contracts, interest is earned
monthly and for simple interest contracts, interest is earned daily. Interest
income on certain contracts is earned using the effective yield method and
classified on the balance sheet as interest receivable to the extent not
collected. Other contracts use the sum of the months digits method, which
approximates the effective yield method.
 
     WFS defers contract origination fees and premiums paid to dealers. The net
amount is amortized as an adjustment to the related contract's yield, over the
contractual life of the related contract or until the contract is sold at which
time any remaining amounts are included as part of the gain on sale of
contracts. Fees for other services are recorded as income when earned.
 
     Stock Options: Statement of Financial Accounting Standards No. 123,
"Accounting for Stock-Based Compensation" ("SFAS 123"), provides for companies
to recognize compensation expense associated with stock-based compensation plans
over the anticipated service period based on the fair value of the award on the
date of grant. However, SFAS No. 123 allows companies to continue to measure
compensation costs prescribed by Accounting Principles Board Opinion No. 25,
"Accounting for Stock Issued to Employees" ("APB 25"). Companies electing to
continue accounting for stock-based compensation plans under APB 25 must make
pro forma disclosures of net income and earnings per share as if SFAS 123 has
been adopted if the fair value of the options has material impact on earnings.
WFS has continued to account for stock-based compensation plans under APB 25.
The impact of applying SFAS 123 in 1997, 1996 and 1995 is immaterial to the
financial statements of WFS.
 
                                       F-8
<PAGE>   39
                       WFS FINANCIAL INC AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                               DECEMBER 31, 1997
 
     Income Taxes: WFS files consolidated federal and state tax returns as part
of a consolidated group that includes the Bank and Westcorp. WFS taxes are paid
in accordance with a tax sharing agreement that allocates taxes based on the
relative income or loss of each entity on a stand-alone basis.
 
     Fair Value of Financial Instruments: Fair value information about financial
instruments whether or not recognized in the balance sheet, for which it is
practicable to estimate that value, are reported using quoted market prices. 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.
Fair values for certain financial instruments and all non-financial instruments
are not required to be disclosed. Accordingly, the aggregate fair value of
amounts presented do not represent the underlying value of WFS.
 
     WFS' financial instruments as defined by Statement of Financial Accounting
Standards No. 107, "Disclosures About Fair Value of Financial Instruments,"
including short term investments, retained interest in securitized assets and
amounts held on behalf of trustee are accounted for on a historical cost basis
which, due to the nature of these financial instruments, approximates fair
value. The fair value for contracts receivable is based on quoted market prices
of similar contracts sold in conjunction with securitization transactions,
adjusted for differences in contract characteristics. The fair value of forward
agreements is estimated by obtaining market quotes from brokers. The fair value
of notes payable -- parent is estimated using discounted cash flow analysis,
based on current borrowing rates for similar instruments.
 
     Current Accounting Pronouncements: Statement of Financial Accounting
Standards No. 125, "Accounting for Transfers and Servicing of Financial Assets
and Extinguishments of Liabilities", ("SFAS 125") was issued by the Financial
Accounting Standards Board in June 1996. SFAS 125 established standards for the
recognition and measurement of transactions involving transfers of financial
assets. SFAS 125 adopts a financial components approach which, after a transfer
of financial assets, requires recognition of assets which continue to be
controlled by the transferor and derecognition of assets for which control has
been surrendered. The provisions of SFAS 125 were adopted by the Company
prospectively for transactions occurring after January 1, 1997.
 
     Statement of Financial Accounting Standards No. 128, "Earnings Per Share",
("SFAS 128") was issued by the Financial Accounting Standards Board in February
1997 and is effective for financial statements issued for periods ending after
December 15, 1997. SFAS 128 requires WFS to change the method used to compute
earnings per share ("EPS") and to restate all prior periods. Primary and Fully
Diluted EPS calculations were replaced with Basic and Diluted EPS calculations,
respectively. The impact of SFAS 128 on the calculation of Basic and Diluted EPS
calculations was not material.
 
NOTE B -- NET CONTRACTS RECEIVABLE
 
     WFS' contract portfolio consists of contracts purchased from new and used
automobile Dealers ("Indirect contracts") on a nonrecourse basis and contracts
financed directly with the consumer ("Direct contracts"). If precomputed finance
charges are added to an Indirect contract, they are added to the contract
balance and carried as an offset against the contract balance as unearned
discounts. Amounts paid to dealers are capitalized as dealer participation and
amortized over the life of the contract.
 
                                       F-9
<PAGE>   40
                       WFS FINANCIAL INC AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                               DECEMBER 31, 1997
 
     Net contracts receivable consisted of the following:
 
<TABLE>
<CAPTION>
                                                              DECEMBER 31,
                                                         ----------------------
                                                           1997         1996
                                                         ---------    ---------
                                                         (DOLLARS IN THOUSANDS)
<S>                                                      <C>          <C>
Consumer:
 
  Indirect contracts...................................  $238,640     $252,598
  Direct contracts.....................................    14,815       15,118
  Less unearned discounts..............................    22,226       33,768
                                                         --------     --------
                                                          231,229      233,948
Allowance for credit losses............................    (6,787)      (7,648)
Dealer participation, net of deferred contract fees....     4,896        5,642
                                                         --------     --------
                                                         $229,338     $231,942
                                                         ========     ========
</TABLE>
 
     The following table presents the changes in amounts deferred and carried as
adjustments to the contract balance including deferred contract fees and dealer
participation.
 
<TABLE>
<CAPTION>
                                             FOR THE YEAR ENDED DECEMBER 31,
                                             --------------------------------
                                               1997        1996        1995
                                             --------    --------    --------
                                                  (DOLLARS IN THOUSANDS)
<S>                                          <C>         <C>         <C>
Balance at beginning of period.............  $  5,642    $  7,401    $ 10,086
New deferrals..............................    62,662      62,585      44,280
Amortization...............................    (4,107)     (4,618)     (4,319)
Sales......................................   (59,301)    (59,726)    (42,646)
                                             --------    --------    --------
Balance at end of period...................  $  4,896    $  5,642    $  7,401
                                             ========    ========    ========
</TABLE>
 
     Contracts serviced by WFS for the benefit of others totaled approximately
$3.4 billion at December 31, 1997 and $2.8 billion at December 31, 1996.
 
NOTE C -- ALLOWANCE FOR CREDIT LOSSES
 
     Changes in the allowance for credit losses were as follows:
 
<TABLE>
<CAPTION>
                                                  FOR THE YEAR ENDED DECEMBER 31,
                                                 ---------------------------------
                                                   1997        1996        1995
                                                 ---------   ---------   ---------
                                                      (DOLLARS IN THOUSANDS)
<S>                                              <C>         <C>         <C>
Balance at beginning of period.................  $  7,648    $  7,795    $  9,576
Provision for credit losses....................     8,248      10,275       6,483
Charged off contracts..........................   (13,412)    (15,580)    (12,829)
Recoveries.....................................     4,303       5,158       4,565
                                                 --------    --------    --------
Balance at end of period.......................  $  6,787    $  7,648    $  7,795
                                                 ========    ========    ========
</TABLE>
 
NOTE D -- RETAINED INTEREST IN SECURITIZED ASSETS
 
     SFAS 125 requires that following a transfer of financial assets, an entity
is to recognize the assets it controls and the liabilities it has incurred, and
derecognize assets for which control has been surrendered and liabilities that
have been extinguished. For securitization transactions, SFAS 125 defines two
separate financial assets retained at the time of securitization, a retained
interest in securitized assets, which represents the excess spread created from
securitization, and a servicing rights asset which represents the benefit
derived from retaining the rights to service the contracts securitized. Previous
accounting guidance did not separately distinguish these rights.
 
                                      F-10
<PAGE>   41
                       WFS FINANCIAL INC AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                               DECEMBER 31, 1997
 
     Retained interests in securitized assets capitalized upon securitization of
contracts represent the present value of the estimated future earnings to be
received by WFS from the excess spread created in securitization transactions.
Excess spread is calculated by taking the difference between the coupon rate of
the contracts sold and the certificate rate paid to the investors less
contractually specified servicing and guarantor fees.
 
     Prepayment and credit loss assumptions are utilized to project future
earnings and are based upon historical experience. Credit losses are estimated
using a cumulative loss rate estimated by management to reduce the likelihood of
asset impairment. All assumptions used are evaluated each quarter and adjusted,
if appropriate, to reflect actual performance of the contracts.
 
     Future earnings are discounted at a rate management believes to be
representative of the market at the time of securitization. The balance of the
RISA is amortized against actual excess spread income earned on a monthly basis
over the expected repayment life of the underlying contracts. RISAs are
classified in a manner similar to available for sale securities and as such are
marked to market each quarter. Market value changes are calculated by
discounting the excess spread using a current market discount rate. Any changes
in the market value of the RISA is reported as a separate component of
shareholders' equity as an unrealized gain or loss, net of applicable taxes.
 
     WFS retains the rights to service all contracts it securitizes. Consumer
servicing rights assets ("CSRA") represent the present value of the estimated
future earnings to be received from servicing securitized contracts. These
earnings are calculated by estimating future servicing revenues, including
contractually specified servicing fee, late charges, other ancillary income, and
float benefit and netting them against the actual cost to service contracts. WFS
has not capitalized any servicing rights as of December 31, 1997.
 
<TABLE>
<CAPTION>
                                             FOR THE YEAR ENDED DECEMBER 31,
                                             --------------------------------
                                               1997        1996        1995
                                             --------    --------    --------
                                                  (DOLLARS IN THOUSANDS)
<S>                                          <C>         <C>         <C>
Beginning balance..........................  $121,597    $ 78,045    $ 43,426
Additions..................................   112,230     104,071      78,506
Amortization...............................   (53,421)    (60,519)    (43,887)
Change in unrealized gain on securities
  available for sale.......................       771          --          --
                                             --------    --------    --------
Ending balance.............................  $181,177    $121,597    $ 78,045
                                             ========    ========    ========
</TABLE>
 
     In initially valuing the RISA, WFS establishes an off balance sheet
allowance for expected future credit losses. The allowance is based upon
historical experience and management's estimate of future performance regarding
credit losses and includes an unallocated amount to reduce the likelihood of
impairment of the RISA. The amount is reviewed periodically and adjustments are
made if actual experience or other factors indicate that future performance may
differ from management's prior expectations.
 
     The following table presents the estimated future undiscounted retained
interest earnings to be received from securitizations. Estimated future
undiscounted RISA earnings are calculated by taking the difference between the
coupon rate of the contracts sold and the certificate rate paid to the
investors, less the contractually specified servicing fee of 1.0% and guarantor
fees, after giving effect to estimated prepayments and assuming no losses. To
arrive at the RISA, this amount is reduced by the off balance sheet allowance
established for potential future losses and by discounting to present value.
Prior to the adoption of SFAS 125,
 
                                      F-11
<PAGE>   42
                       WFS FINANCIAL INC AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                               DECEMBER 31, 1997
 
WFS reduced excess spread by the actual cost to service contracts instead of the
contractually specified servicing fee. The actual cost to service contracts is
now included in the computation of the CSRA.
 
<TABLE>
<CAPTION>
                                                              DECEMBER 31, 1997
                                                            ----------------------
                                                            (DOLLARS IN THOUSANDS)
<S>                                                         <C>
Estimated net undiscounted cash flows.....................        $  438,190
Off balance sheet allowance for losses....................          (236,796)
Discount to present value.................................           (20,217)
                                                                  ----------
Retained interest in securitized assets...................        $  181,177
                                                                  ==========
Outstanding balance of contracts sold through
  securitizations.........................................        $3,449,590
Off balance sheet allowance for losses as a percent of
  contracts sold through securitizations..................              6.86%
</TABLE>
 
     WFS believes that the off balance sheet allowance for losses is currently
adequate to absorb potential losses in the sold portfolio. Had SFAS 125 had been
in effect at December 31, 1996, the off balance sheet allowance for losses as a
percent of contracts sold through securitizations would have been 8.03%.
 
NOTE E -- PROPERTY, PLANT AND EQUIPMENT
 
     Property, plant and equipment consisted of the following at:
 
<TABLE>
<CAPTION>
                                                                DECEMBER 31,
                                                           ----------------------
                                                             1997         1996
                                                           ---------    ---------
                                                           (DOLLARS IN THOUSANDS)
<S>                                                        <C>          <C>
Land.....................................................   $ 2,017
Computers and software...................................    29,446      $22,432
Furniture, fixtures and leasehold improvements...........     6,742        2,952
Equipment................................................     3,617        2,083
Automobiles..............................................       214          209
                                                            -------      -------
                                                             42,036       27,676
Less: accumulated depreciation...........................    20,630       10,772
                                                            -------      -------
                                                            $21,406      $16,904
                                                            =======      =======
</TABLE>
 
     Depreciation expense was $9.7 million, $0.7 million and $1.3 million for
the years ended December 31, 1997, 1996 and 1995, respectively. The increase in
depreciation expense is due to the transfer of computers and software from
Westcorp to WFS during 1996.
 
NOTE F -- INTERCOMPANY AGREEMENTS
 
     In 1995, WFS entered into a Line of Credit agreement and a Senior Note with
the Bank. The Line of Credit agreement permits WFS to draw up to $600 million to
be used in its operations. The Line of Credit terminates on December 31, 1999
although the term may be extended by WFS for additional periods up to 56 months.
When secured by contracts, the Line of Credit carries an interest rate equal to
the Federal composite commercial paper rate plus 10 basis points, with the
margin increasing to 50 basis points to the extent the obligation is not
secured. The average balance of the Line of Credit was $107 million and $146
million for 1997 and 1996, respectively. The weighted average interest rate was
5.70% and 5.56% and the interest expense was $6.1 million and $8.1 million for
1997 and 1996, respectively. No amount was outstanding at December 31, 1997.
 
     WFS also borrowed $125 million from the Bank under the terms of the Senior
Note. The Senior Note provides for principal payments of $25 million per year,
commencing on April 30, 1999 and continuing
 
                                      F-12
<PAGE>   43
                       WFS FINANCIAL INC AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                               DECEMBER 31, 1997
 
through its final maturity, April 30, 2003. Interest payments on the Senior Note
are due quarterly, in arrears, calculated at the rate of 7.25% per annum. The
Senior Note is not secured. Pursuant to the terms of the Senior Note, WFS may
not incur any other indebtedness which is senior to the obligations evidenced by
the Senior Note except for (i) indebtedness collateralized or secured under the
Line of Credit and (ii) indebtedness for similar types of warehouse lines of
credit. The Senior Note had interest expense of $9.1 million for 1997 and 1996,
respectively.
 
     Additionally, WFS borrowed $50 million from the Bank under the terms of the
Promissory Note dated August 1, 1997. The Promissory Note provides for principal
payments in two equal annual installments of $25 million per year, commencing on
July 31, 2001. Interest payments on the Promissory Note are due quarterly, in
arrears, calculated at the rate of 9.42% per annum. Pursuant to the terms of the
Promissory Note, WFS may not incur any other indebtedness which is senior to the
obligations evidenced by the Promissory Note except for (i) indebtedness under
the Senior Note (ii) indebtedness collateralized or secured under the Line of
Credit and (iii) indebtedness for similar types of warehouse lines of credit.
The Promissory Note had interest expense of $2.0 million for 1997.
 
     WFS also invests its excess cash at the Bank under an Investment Agreement.
The Bank pays WFS an interest rate equal to the Federal composite commercial
paper rate on this excess cash. The weighted average interest rate was 5.78% and
5.53% for 1997 and 1996, respectively. The average balance of the excess cash
was $30.0 million and $14.5 million, and the interest income earned was $1.7
million and $0.8 million during 1997 and 1996, respectively. At December 31,
1997, WFS held $135 million of excess cash with the Bank under the Investment
Agreement.
 
     WFS has entered into certain management agreements with the Bank and
Westcorp pursuant to which WFS pays its allocated portion of certain costs and
expenses incurred by the Bank and Westcorp with respect to services or
facilities of the Bank and Westcorp used by WFS or its subsidiaries, including
their principal office facilities, field offices of WFS and overhead and
employee benefits pertaining to Bank and Westcorp employees who also provide
services to WFS or its subsidiaries. Additionally, as part of these management
agreements, the Bank and Westcorp have agreed to reimburse WFS for similar costs
incurred. The management agreements may be terminated by any party upon 5 days
prior written notice without cause, or immediately in the event of the other
party's breach of any covenant, obligation, or duty contained in the applicable
management agreement or for violation of law, ordinance, statute, rule or
regulation governing either party to the applicable management agreement.
 
     The Bank has entered into the WFS Reinvestment Contract ("RIC") pursuant to
which WFS receives all of the cash flows from the trusts of the securitization
transactions undertaken by WFS and holds the cash in a spread account for each
of the securitization transactions to further invest as WFS determines,
including to use in its business activities. Under the terms of the RIC, the
Company is obligated to pay to the Bank all sums due from the Bank, when due by
the Bank, under the terms of the various reinvestment contracts to which the
Bank is a party as to each securitization transaction. The Bank is obligated
pursuant to an agreement between the Bank and FSA to provide collateral as a
condition of the various reinvestment contracts of the Bank being deemed
eligible investments for the trusts' cash flows and the spread account funds. As
consideration to the Bank for providing that collateral, WFS pays to the Bank a
fee equal to 12.5 basis points of the amount of collateral pledged by the Bank.
During 1997, WFS paid to the Bank $0.7 million for its use of collateral. Unless
earlier terminated, the term of the RIC is perpetual for so long as the RIC
constitutes an eligible investment as defined in any pooling and servicing
agreement or similar agreement related to the securitization trusts. During
1997, the average amount outstanding on the RIC was $501 million. At December
31, 1997, the outstanding balance was $612 million.
 
                                      F-13
<PAGE>   44
                       WFS FINANCIAL INC AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                               DECEMBER 31, 1997
 
     WFS has entered into an agreement with Westran Services Corp. ("Westran"),
which is a subsidiary of Westcorp to receive travel related services. WFS
believes that the services rendered by Westran are reasonable and representative
of what such costs would have been had WFS used an unaffiliated entity.
 
NOTE G -- COMMITMENTS AND CONTINGENCIES
 
     Future minimum payments under noncancelable operating leases on premises
and equipment with terms of one year or more as of December 31 are as follows:
 
<TABLE>
<CAPTION>
                                                       1997
                                                    -----------
                                                    (DOLLARS IN
                                                    THOUSANDS)
<S>                                                 <C>
1998..............................................    $ 6,055
1999..............................................      5,098
2000..............................................      4,024
2001..............................................      2,461
2002..............................................        640
Thereafter........................................        797
                                                      -------
                                                      $19,075
                                                      =======
</TABLE>
 
     These agreements include, in certain cases, various renewal options and
contingent rental agreements. Rental expense for premises and equipment amounted
to $9.0 million, $5.3 million and $3.4 million for the years ended December 31,
1997, 1996 and 1995, respectively.
 
     WFS is involved as a party to certain legal proceedings incidental to its
business. Management of WFS believes that the outcome of such proceedings will
not have a material effect upon its business or financial condition.
 
NOTE H -- SERVICING INCOME
 
     Servicing income consists of the following components:
 
<TABLE>
<CAPTION>
                                              FOR THE YEAR ENDED DECEMBER 31,
                                              -------------------------------
                                                1997        1996       1995
                                              --------    --------    -------
                                                  (DOLLARS IN THOUSANDS)
<S>                                           <C>         <C>         <C>
Retained interest income....................  $ 69,844    $ 55,219    $34,165
Contractual servicing income................    30,803      24,404     16,313
Other fee income............................    37,106      32,346     21,346
                                              --------    --------    -------
          Total servicing income............  $137,753    $111,969    $71,824
                                              ========    ========    =======
</TABLE>
 
NOTE I -- PENSION PLAN
 
     WFS participates in the Westcorp Employee Stock Ownership and Salary
Savings Plan ("the Plan"), which covers essentially all full-time employees who
have completed one year of service. Contributions to the Plan are discretionary
and determined by the Board of Directors of Westcorp within limits set forth
under the Employee Retirement Income Security Act of 1974. Contributions to the
Plan are fully expensed in the year in which the contribution is made.
 
     Westcorp's contributions to the Plan for all Westcorp employees amounted to
$2.4 million, $3.4 million and $2.4 million in 1997, 1996 and 1995,
respectively.
 
                                      F-14
<PAGE>   45
                       WFS FINANCIAL INC AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                               DECEMBER 31, 1997
 
NOTE J -- STOCK OPTIONS
 
     In 1996, WFS reserved 550,000 shares of common stock for future issuance to
certain employees under an incentive stock option plan ("the Plan"). In 1997,
WFS reserved an additional 550,000 shares of common stock for future issuance
under the Plan which is currently subject to shareholder approval. There were
320,675 shares available for future grants at December 31, 1997. The options may
be exercised within five to seven years after the date of grant. Additionally,
the weighted average life of the options at December 31, 1997 was 5.0 years and
the exercise price of the options outstanding at December 31, 1997 ranged from
$13.00 to $18.00 per share.
 
     At December 31, 1997, there were 325,215 exercisable stock options under
the Plan. Stock option activity is summarized as follows:
 
<TABLE>
<CAPTION>
                                                                     WEIGHTED
                                                                       AVG.
                                                       SHARES     EXERCISE PRICE
                                                       -------    --------------
<S>                                                    <C>        <C>
Outstanding at January 1, 1996.......................       --            --
  Issued.............................................  519,569        $18.00
  Exercised..........................................       --            --
  Cancelled..........................................       --            --
                                                       -------        ------
Outstanding at December 31, 1996.....................  519,569         18.00
  Issued.............................................  343,498         13.14
  Exercised..........................................  (24,443)        18.00
  Cancelled..........................................  (83,742)        17.58
                                                       -------        ------
Outstanding at December 31, 1997.....................  754,882        $15.83
</TABLE>
 
     The Black-Scholes option valuation model was developed for use in
estimating the fair value of traded options which have no vesting restrictions
and are fully transferable. In addition, option valuation models require the
input of highly subjective assumptions including the expected stock price
volatility. Because WFS' employee stock options have characteristics
significantly different from those traded options, and because changes in the
subjective input assumptions can materially affect the fair value estimate, in
management's opinion, the existing models do not necessarily provide a reliable
single measure of the fair value of its employee stock options.
 
     The fair value of options granted in 1997, 1996 and 1995 was estimated at
the date of grant using a Black-Scholes option pricing model with the following
assumptions:
 
<TABLE>
<CAPTION>
                                                   1997       1996       1995
                                                  -------    -------    -------
<S>                                               <C>        <C>        <C>
Risk-free interest rate.........................   5.7%       6.2%       6.2%
Volatility factor...............................    .57        .30        .30
Expected option life............................  7 years    5 years    5 years
</TABLE>
 
     The weighted average fair value of options per share granted during 1997,
1996 and 1995 was $8.26, $6.82 and $6.82.
 
                                      F-15
<PAGE>   46
                       WFS FINANCIAL INC AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                               DECEMBER 31, 1997
 
NOTE K -- INCOME TAXES
 
     Income tax expense consisted of the following:
 
<TABLE>
<CAPTION>
                                                FOR THE YEAR ENDED DECEMBER 31,
                                                --------------------------------
                                                  1997        1996        1995
                                                --------    --------    --------
                                                     (DOLLARS IN THOUSANDS)
<S>                                             <C>         <C>         <C>
Current:
  Federal.....................................  $ 4,967     $ 6,612     $18,475
  State franchise.............................    1,841       1,643       7,199
                                                -------     -------     -------
                                                  6,808       8,255      25,674
 
Deferred:
  Federal.....................................   11,913      14,880      (3,377)
  State franchise.............................    4,108       4,644      (1,334)
                                                -------     -------     -------
                                                 16,021      19,524      (4,711)
                                                -------     -------     -------
                                                $22,829     $27,779     $20,963
                                                =======     =======     =======
</TABLE>
 
     The difference between total tax provisions and the amounts computed by
applying the statutory federal income tax rate of 35% to income before taxes is
due to:
 
<TABLE>
<CAPTION>
                                                FOR THE YEAR ENDED DECEMBER 31,
                                                --------------------------------
                                                  1997        1996        1995
                                                --------    --------    --------
                                                     (DOLLARS IN THOUSANDS)
<S>                                             <C>         <C>         <C>
Tax at statutory rate.........................  $18,950     $23,247     $17,896
California franchise tax (net of Federal tax
  benefit)....................................    3,867       4,087       3,067
Other.........................................       12         445
                                                -------     -------     -------
                                                $22,829     $27,779     $20,963
                                                =======     =======     =======
</TABLE>
 
     Deferred taxes reflect the net tax effects of temporary differences between
the carrying amounts of assets and liabilities for financial reporting purposes
and the amounts used for income tax purposes. Amounts previously reported as
current and deferred income tax expense have been restated. Such changes to the
components of the expense occur because all tax alternatives available to WFS
are not known for a number of months subsequent to year end.
 
     Significant components of WFS' deferred tax liabilities and assets are as
follows:
 
<TABLE>
<CAPTION>
                                                              DECEMBER 31,
                                                         ----------------------
                                                           1997         1996
                                                         ---------    ---------
                                                         (DOLLARS IN THOUSANDS)
<S>                                                      <C>          <C>
Deferred tax assets:
  Loan loss reserves...................................  $  2,990     $  3,373
  State tax deferred benefit...........................     3,219        2,038
  Other assets.........................................     1,127          878
                                                         --------     --------
Total deferred tax assets..............................     7,336        6,289
Deferred tax liabilities:
  Accelerated depreciation for tax purposes............    (1,738)      (2,625)
  Asset securitization income recognized for book
     purposes..........................................   (28,662)     (10,700)
  Other liabilities....................................    (3,284)      (2,967)
                                                         --------     --------
Total deferred tax liabilities.........................   (33,684)     (16,292)
                                                         --------     --------
Net deferred tax liability.............................  $(26,348)    $(10,003)
                                                         ========     ========
</TABLE>
 
                                      F-16
<PAGE>   47
                       WFS FINANCIAL INC AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                               DECEMBER 31, 1997
 
NOTE L -- FAIR VALUE OF FINANCIAL INSTRUMENTS
 
     The estimated fair values of WFS' financial instruments are as follows at
December 31:
 
<TABLE>
<CAPTION>
                                                       1997                  1996
                                                -------------------   -------------------
                                                CARRYING     FAIR     CARRYING     FAIR
                                                AMOUNTS     VALUE     AMOUNTS     VALUE
                                                --------   --------   --------   --------
                                                         (DOLLARS IN THOUSANDS)
<S>                                             <C>        <C>        <C>        <C>
FINANCIAL ASSETS:
Short term investments -- parent..............  $146,820   $146,820   $109,237   $109,237
Contracts receivable..........................   236,125    251,131    239,590    250,365
Retained interest in securitized assets.......   181,177    181,177    121,597    121,597
 
FINANCIAL INSTRUMENT AGREEMENTS HELD FOR
  PURPOSES OTHER THAN TRADING:
Forward agreements............................        --        (55)        --         56
 
FINANCIAL LIABILITIES:
Notes payable -- parent.......................   175,000    179,238    125,000    125,154
Amounts held on behalf of trustee.............   488,654    488,654    393,449    393,449
</TABLE>
 
NOTE M -- FINANCIAL INSTRUMENT AGREEMENTS
 
     WFS Financial uses Forward Agreements to minimize its exposure to interest
rate risk. The fair value of these instruments may vary with changes in interest
rates. At December 31, 1997, WFS' portfolio consisted of Forward Agreements with
a notional amount of $70 million.
 
     Notional amounts do not represent amounts exchanged with other parties and,
thus are not a measure of WFS' exposure to loss through its use of these
agreements. The amounts exchanged are determined by reference to the notional
amounts and the other terms of the agreements.
 
NOTE N -- EARNINGS PER SHARE
 
     SFAS 128, "Earnings Per Share", was issued by the Financial Accounting
Standards Board in February 1997 and is effective for financial statements
issued for periods ending after December 15, 1997. Under the provisions of SFAS
No. 128, primary and fully diluted earnings per share were replaced with basic
and diluted earnings per share in an effort to simplify the computation of these
measures and align them more closely with the methodology used internationally.
Basic earnings per share is calculated by dividing net income available to
common stockholders by the weighted average number of common shares outstanding
and does not include the impact of any potentially dilutive common stock
equivalents. The diluted earnings per share calculation method is similar to the
previously required fully diluted earnings per share method and is arrived at by
dividing net income by the weighted average number of shares outstanding,
adjusted for the dilutive effect of outstanding stock options. For purposes of
comparability, all prior period earnings per share data has been restated.
 
                                      F-17
<PAGE>   48
                       WFS FINANCIAL INC AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                               DECEMBER 31, 1997
 
     The calculation of net income per common share follows:
 
<TABLE>
<CAPTION>
                                                               FOR THE YEAR ENDED DECEMBER 31,
                                                      --------------------------------------------------
                                                           1997              1996              1995
                                                      --------------    --------------    --------------
                                                       (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                                                   <C>               <C>               <C>
BASIC
 
Net income..........................................   $    31,314       $    38,641       $    30,167
Average common shares outstanding...................    25,691,892        25,684,175        22,732,509
Net income per common share -- basic................   $      1.22       $      1.50       $      1.33
DILUTED
Net income..........................................   $    31,314       $    38,641       $    30,167
Average common shares outstanding...................    25,691,892        25,684,175        22,732,509
Stock option adjustment.............................         4,621            39,203                --
Average common shares outstanding...................    25,696,513        25,723,378        22,732,509
Net income per common share -- diluted..............   $      1.22       $      1.50       $      1.33
</TABLE>
 
     Options to purchase 469,980 shares of common stock at $18 per share were
outstanding at December 31, 1997 but were not included in the computation of
diluted earnings per share because the options' exercise price was greater than
the average market price of the common shares, and therefore, the effect would
be antidilutive. There were no antidilutive options for 1996 and 1995.
 
NOTE O -- QUARTERLY RESULTS OF OPERATIONS (UNAUDITED)
 
     The following is a summary of unaudited quarterly results of operations for
the years ended December 31, 1997 and 1996. Certain quarterly amounts have been
adjusted to conform with the year end presentation.
 
<TABLE>
<CAPTION>
                                                                        THREE MONTHS ENDED
                                                        ---------------------------------------------------
                                                         MARCH 31      JUNE 30      SEPT. 30      DEC. 31
                                                        -----------   ----------   -----------   ----------
                                                         (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                                                     <C>           <C>          <C>           <C>
1997
Interest income.......................................    $14,292      $16,299       $17,044      $15,353
Interest expense......................................      1,608        2,602         2,678        3,443
Net interest income...................................     12,684       13,697        14,366       11,910
Provision for credit losses...........................      3,304        1,233         1,211        2,500
Income before income taxes............................     15,010       17,314        10,741       11,078
Income taxes..........................................      6,378        7,364         4,370        4,717
Net income............................................      8,632        9,950         6,371        6,361
Net income per common share -- basic..................    $  0.34      $  0.39       $  0.25      $  0.25
Net income per common share -- diluted................       0.34         0.39          0.25         0.25
1996
Interest income.......................................    $14,337      $16,327       $16,153      $16,483
Interest expense......................................      2,804        2,615         2,035        2,313
Net interest income...................................     11,533       13,712        14,118       14,170
Provision for credit losses...........................      5,187          828         1,918        2,342
Income before income taxes............................     16,156       16,740        17,817       15,707
Income taxes..........................................      6,836        7,027         7,624        6,292
Net income............................................      9,320        9,713        10,193        9,415
Net income per common share -- basic..................    $  0.36      $  0.38       $  0.40      $  0.37
Net income per common share -- diluted................       0.36         0.38          0.40         0.37
</TABLE>
 
                                      F-18
<PAGE>   49
 
                                 EXHIBIT INDEX
 
<TABLE>
<CAPTION>
  EXHIBIT NO.                       DESCRIPTION OF EXHIBIT
  -----------                       ----------------------
  <C>            <S>
      1          Underwriting Agreement (1)
      3.1        Articles of Incorporation (1)
      3.2        Bylaws (1)
      4          Specimen WFS Financial Inc Common Stock Certificate (5)
     10.1        Westcorp Incentive Stock Option Plan (2)
     10.2        Westcorp, Inc. Employee Stock Ownership and Salary Savings
                 Plan (3)
     10.3        Westcorp 1991 Stock Option Plan (4)
     10.4        1985 Executive Deferral Plan (1)
     10.5        1988 Executive Deferral Plan II (1)
     10.6        1992 Executive Deferral Plan III (1)
     10.7        Transfer Agreement between WFS Financial Inc and Western
                 Financial Bank, F.S.B., dated May 1, 1995 (1)
     10.8        Promissory Note of WFS Financial Inc in favor of Western
                 Financial Bank, F.S.B., dated May 1, 1995 (1)
     10.9        Line of Credit Agreement between WFS Financial Inc and
                 Western Financial Bank, F.S.B., dated May 1, 1995 (1)
     10.10       Tax Sharing Agreement between WFS Financial Inc and Western
                 Financial Bank, F.S.B., dated January 1, 1994 (1)
     10.11       Master Reinvestment Contract between WFS Financial Inc and
                 Western Financial Bank, F.S.B., dated May 1, 1995 (1)
     10.12       Management Agreement between WFS Financial Inc and Western
                 Financial Bank, F.S.B., dated May 1, 1995 (1)
     10.13       Management Agreement among WFS Financial Inc, Western
                 Financial Bank, F.S.B., WFS Financial Auto Loans, Inc. and
                 WFS Financial Auto Loans 2, Inc. dated May 1, 1995 (1)
     10.14       Form of WFS Financial Inc Dealer Agreement (5)
     10.15       Form of WFS Financial Inc Loan Application (5)
     10.16       WFS 1996 Incentive Stock Option Plan (6)
     10.17       Westcorp Employee Stock Ownership and Salary Savings Plan
                 (7)
     10.18       Promissory Note of WFS Financial Inc in favor of Western
                 Financial Bank, F.S.B., dated August 1, 1997
     10.19       Investment Agreement between WFS Financial Inc and Western
                 Financial Bank, F.S.B., dated January 1, 1996
     10.20       Management Services Agreement between WFS Financial Inc and
                 Western Financial Bank, F.S.B., dated January 1, 1997
     10.21       Employment Agreement (8)(9)(10)
     21.1        Subsidiaries of WFS Financial Inc
     23.1        Consent of Ernst & Young LLP
     24          Power of Attorney (1)
     27          Financial Data Schedule
</TABLE>
 
- ---------------
 (1) Exhibits previously filed with WFS Financial Inc Registration Statement on
     Form S-1 (File No. 33-93068), filed August 8, 1995 incorporated herein by
     reference under Exhibit Number indicated.
<PAGE>   50
 
 (2) Exhibits previously filed with Westcorp Registration Statement on Form S-1
     (File No. 33-4295), filed May 2, 1986 incorporated herein by reference
     under Exhibit Number indicated.
 
 (3) Exhibits previously filed with Westcorp Registration Statement on Form S-4
     (File No. 33-34286), filed April 11, 1990 incorporated herein by reference
     under Exhibit Number indicated.
 
 (4) Exhibits previously filed with Westcorp Registration Statement on Form S-8
     (File No. 33-43898), filed December 11, 1991 incorporated herein by
     reference under Exhibit Number indicated.
 
 (5) Amendment No. 1, dated as of July 14, 1995 to the WFS Financial Inc
     Registration statement on Form S-1 (File No. 33-93068) incorporated herein
     by reference under Exhibit Number indicated.
 
 (6) Exhibit previously filed with WFS Registration Statement on Form S-8 (File
     No. 33-7485), filed July 3, 1996 incorporated by reference under the
     Exhibit Number indicated. Amendment No. 1 dated as of November 13, 1997
     filed with the WFS Registration Statement on Form S-8 (File No. 333-40121)
     incorporated herein by reference under Exhibit Number indicated.
 
 (7) Exhibits previously filed with Westcorp Registration Statement on Form S-8
     (File No. 333-11039), filed August 29, 1996 incorporated herein by
     reference under Exhibit Number indicated.
 
 (8) Employment Agreement, in letter form, dated March 11, 1997 between Westcorp
     and Andrey R. Kosovych (will be provided to the SEC upon request).
 
 (9) Employment Agreement dated February 27, 1998 between the registrant and Joy
     Schaefer (will be provided to the SEC upon request).
 
(10) Employment Agreement dated February 27, 1998 between the registrant,
     Westcorp and Lee A. Whatcott (will be provided to the SEC upon request).

<PAGE>   1
                                                                   EXHIBIT 10.18

                                 PROMISSORY NOTE


$50,000,000                                                      August  1, 1997

        FOR VALUE RECEIVED, the undersigned, WFS FINANCIAL INC, a California
corporation (the "Maker"), promises to pay to the order of WESTERN FINANCIAL
BANK, F.S.B., a federal Bank (the "Bank"), the principal sum of FIFTY MILLION
DOLLARS ($50,000,000) (the "Principal") on or before July 31, 2007.

        Interest on Principal. The Principal shall bear interest at a fixed rate
per annum of nine and forty-two hundredths percent (9 42/100%) (the "Rate of
Interest"). Such interest shall be payable quarterly in arrears, on the last day
of January, April, July and October of each year commencing on October 31, 1997;
provided, however, that in the event any such payment date is not a business
day, then on the next business day thereafter (and such extension of time shall
be excluded in the computation of interest). All interest payable pursuant to
this Section 2 and Section 8 hereof (i) is hereinafter collectively referred to
as "Interest", and (ii) shall be calculated on the basis of 30 day months on the
basis of a year of 360 days.

        Scheduled Payments of Principal. Subject to the acceleration provisions
of Section 5 hereof, the Principal shall be payable in two equal annual
installments of $25,000,000 commencing on July 31, 2001.

        Payments. The Principal, Interest and "Costs" (as defined herein) are
collectively referred to herein as the "Obligations". All payments of the
Obligations shall be payable in lawful money of the United States of America at:

                            16485 Laguna Canyon Road
                            Irvine, California 92618

or wherever otherwise designated in writing from time to time by the holder of
this Note. All payments made under this Note shall be credited first to Costs
(to the extent such Costs have not been paid in accordance with Section 5
hereof), then to Interest to the extent accrued and unpaid, and then to
Principal. All payments by the Maker under this Note (i) shall be made without
setoff or counterclaim, and (ii) shall be made under all circumstances,
irrespective of any restrictions then existing in any jurisdiction and without
requiring the fulfillment of any formality.

        Costs. The Maker shall pay to the Bank all Costs incurred by the Bank as
and when so incurred. "Costs" shall mean all costs and expenses incurred by or
on behalf of the Bank (including, without limitation, all reasonable attorneys'
fees and expenses) in connection with the collection and enforcement of this
Note.


                                       1
<PAGE>   2

        Acceleration.

                5.1 As used herein, the term "Event of Default" shall mean the
        occurrence of any of the following events:

                A default in the payment when due and in the manner prescribed
        herein of any installment of Principal or Interest and such default
        shall not be cured within seven (7) business days after the Bank has
        given written notice to the Maker of such default.

                The failure, refusal or neglect of the Maker to observe or
        perform for any reason any of the covenants, conditions, agreements or
        provisions contained in this Note (other than the payment of any
        Obligation of which the failure to pay constitutes an Event of Default
        described in clause (i) immediately above) and such failure, refusal or
        neglect shall not be cured within forty-five (45) days after the Bank
        has given written notice to the Maker of such failure, refusal or
        neglect.

                Any representation or warranty made by the Maker in this Note
        shall prove to have been false or misleading in any material respect.

                The Maker shall be dissolved or shall sustain the loss,
        cancellation or forfeiture of its legal status or good standing by
        reason of any judicial, extra-judicial or administrative proceedings or
        otherwise, or shall (a) apply for or consent to the appointment of a
        receiver, trustee or liquidator of the Maker or of all or a substantial
        part of the Maker's assets; (b) be unable to, or admit in writing its
        inability to, pay its debts as they mature; (c) make a general
        assignment for the benefit of creditors; (d) be adjudicated a bankrupt
        or insolvent; (e) file a voluntary petition in bankruptcy or a petition
        or an answer seeking reorganization or an arrangement for the benefit of
        creditors or take advantage of any insolvency law in its capacity as a
        debtor; (f) interpose an answer admitting the material allegations of
        the petition filed against the Maker in any bankruptcy, reorganization
        or insolvency proceedings; (g) take any action which would have the
        effect of dissolving the Maker; or (h) take any action for the purpose
        of effecting any of the foregoing.

                Any (a) involuntary petition is filed against the Maker seeking
        to subject it to any bankruptcy, insolvency or similar laws and such
        petition shall remain unstayed or not be withdrawn for a period of
        forty-five (45) days; or (ii) order, judgment or decree shall be entered
        against the Maker by any court of competent jurisdiction approving a
        petition seeking its reorganization or appointment of a receiver,
        trustee or liquidator of the Maker or of all or a substantial part of
        its assets and such order, judgment or decree shall continue and stay in
        effect for a period of forty-five (45) days.

               5.2 Upon the occurrence of an Event of Default, the Bank may
        declare all of the Obligations to be forthwith due and payable,
        whereupon all such Obligations shall become immediately due and payable
        without presentment, demand or notice of any kind to the Maker;
        provided, however, that such acceleration shall be automatic upon the
        occurrence of an Event of Default specified in clauses (iv) or (v) of
        Section 5.1 hereof, and no declaration or other act of the Bank shall be
        necessary to effect such acceleration.

        Waiver of Notice. The Maker hereby waives diligence, demand, protest,
presentment for payment and notice of protest, dishonor and non-payment of and
formalities of any kind relative to this Note and agrees that the time of
payment hereunder may be extended by the Bank or this Note renewed by the Bank,
without notice and without releasing the Maker. The right to plead any and all
statutes of limitations as a defense to this Note is hereby waived to the
fullest extent permitted by law.

        Overdue Obligations. All Obligations not paid on or before the
applicable due date shall bear interest until paid at the Rate of Interest.

        Maximum Rate. No provision of this Note shall be deemed to establish or
require the payment of interest at a rate in excess of the maximum rate
permitted by applicable law. In the event that the interest required to be


                                       2
<PAGE>   3

paid under this Note exceeds the maximum rate permitted by applicable law, the
interest required to be paid hereunder shall be automatically reduced to the
maximum rate permitted by applicable law. In the event any interest paid exceeds
the then applicable legal rate, the excess of such interest over the maximum
amount of interest permitted to be charged shall automatically be deemed to be
applied to reduce unpaid Costs, if any; then to reduce accrued and unpaid
interest, if any; and then to reduce Principal; the balance of any excess
interest remaining after application of the foregoing, if any, shall be refunded
to the Maker.

        Governing Law. This Note (i) shall be subject to, construed and governed
by, the laws of the State of California without giving effect to such state's
conflict of law provisions, (ii) shall be binding upon the successors and
assigns of the Maker, and (iii) shall inure to the benefit of the Bank and its
successors and assigns. Notwithstanding the foregoing, the Maker may not assign
its obligations under this Note without the prior written consent of the Bank.

        Severability of Provisions. Any provision of this Note which is invalid,
illegal or unenforceable in any jurisdiction shall, as to such jurisdiction, be
ineffective to the extent of such invalidity, illegality or unenforceability
without invalidating the remaining provisions hereof, and any such invalidity,
illegality or unenforceability in any jurisdiction shall not invalidate or
render unenforceable such provisions in any other jurisdiction.

        Enforceability. By its execution hereof, the Maker represents and
warrants to the Bank that this Note is its valid and binding obligation,
enforceable according to its terms, and agrees to be liable for all Obligations
hereunder.

        No Waiver. No waiver on the part of the Bank in exercising, or partial
exercise of, any right, power or privilege under this Note shall operate as a
waiver of any privilege or right hereunder of the Bank or preclude any other
further exercise of any right, power or privilege.

    14. Senior Indebtedness. Maker hereby covenants that until this Note is paid
in full, the Maker will not incur any indebtedness which is senior to the
obligations evidenced by this Note, other than (i) indebtedness under that
certain Promissory Note in the amount of $125,000,000 dated as of May 1, 1995,
between the Maker and the Bank; (ii) any indebtedness collateralized or secured
under that certain Revolving Line of Credit Agreement dated as of May 1, 1995,
between the Maker and the Bank; and (iii) other indebtedness for similar types
of warehouse credit.

    IN WITNESS WHEREOF, the Maker has caused this Note to be executed and
delivered by its duly authorized signatory as of the date and year first above
written.

                                        WFS FINANCIAL INC


                                        By:  /s/ JOY SCHAEFER
                                             -----------------------------------
                                             Joy Schaefer

                                        Its: President
                                             -----------------------------------

                                       3


<PAGE>   1
                                                                   EXHIBIT 10.19


        SHORT TERM INVESTMENT AGREEMENT

        This SHORT TERM INVESTMENT AGREEMENT ("Agreement") is made as of the 1st
day of January, 1996, by and between WESTERN FINANCIAL SAVINGS BANK, F.S.B. (the
"Bank"), a federally chartered savings bank, and WFS FINANCIAL INC, a California
corporation ("WFS) and is based upon the following recitals.

                                    RECITALS

        A. WFS, a majority-owned operating subsidiary of the Bank, generates
from time to time excess cash which it would like to invest for short periods of
time.

        B. WFS desires to obtain short term investment services from the Bank.

        C. The Bank is willing to provide such short term investment services to
WFS on the terms and conditions described below.

        D. The Bank and WFS desire to set forth the terms of their relationship
in order to ensure that, in accordance with Office of Thrift Supervision ("OTS")
regulations, WFS functions as and remains a corporate entity separate and apart
from the Bank.

                                    AGREEMENT

        In consideration of the mutual promises set forth herein, and in
reliance upon the recitals set forth above, the parties agree as follows:

1. WFS, upon a determination that it has excess cash to invest, shall submit to
the Bank an Investment and Borrowing Certificate ("Certificate") in the form
attached as Exhibit A hereto showing, as a minimum, the amount to be invested
and the investment date ("Investment Date").

2. WFS hereby authorizes the Bank to invest the cash and to reinvest all
interest earned upon it in Commercial Paper in the top two credit grades as
rated by Moody's Investors Services, Inc. and Standard & Poor's Ratings Group.

3. WFS acknowledges and agrees that the Bank may not actually invest the cash
and may use the cash for continuing operations. The Bank agrees to, and shall,
pay WFS interest on the principal amount as though the cash were invested.
Interest shall be paid at a rate equal to the monthly average of the Federal
Corporate 30-Day Commercial rate in effect at the time of investment and shall
accrue daily.

4. The Bank acknowledges and agrees that cash given by WFS to the Bank pursuant
to the terms of this Agreement for investment purposes is not a deposit to any
deposit account established by WFS at the Bank and will not be credited by the
Bank to any such account.

5. WFS, upon a determination that it desires to withdraw invested cash, shall
submit to the Bank a Certificate showing, as a minimum, the withdrawal date
("Withdrawal Date"), the amount to be withdrawn and the name of the payee. Upon
receipt of the Certificate requesting withdrawal, the Bank shall immediately
execute a withdrawal and pay the amount in accordance with the Certificate.


                                       1
<PAGE>   2

6. The Bank agrees that mandatory withdrawals from the investment shall occur on
the day prior to a Grantor or Owner Trust Distribution Payment Date, as such
term is defined in the various Grantor and Owner Trusts.

7. Conditions Precedent to Investing and Withdrawing

        7.1 In order for the Bank to complete an investment in a timely manner,
the Bank must receive the Certificate prior to 9:00 am Pacific Standard Time of
the day prior to the requested Investment Date. Certificates requesting
investment shall be approved by any one of the following officers of WFS: the
Chairman of the Board and CEO, the President, the Chief Financial Officer, or
the Treasurer; and such Certificate will be dated on the approval date.

        7.2 The Bank must receive a Certificate requesting withdrawal prior to
9:00 am Pacific Standard Time of the day prior to the requested Withdrawal Date.
Certificates requesting withdrawal shall be approved by any one of the following
officers of WFS: the Chairman of the Board and CEO, the President, the Chief
Financial Officer, or the Treasurer, and such Certificate shall be dated on the
approval date.

8. Term.

        8.1 This Agreement shall commence as of the date stated above and shall
continue until terminated by the parties.

        8.2 This Agreement may be terminated by either party without cause upon
five (5) days prior written notice and may be terminated immediately for breach
of any covenant, obligation, or duty herein contained or for violation of law,
ordinance, statute, rule or regulation (collectively referred to as "law")
governing the conduct of either party hereto.

        8.3 Termination shall not affect the obligations of the parties with
respect to any event occurring before termination. WFS shall be bound by and
responsible for any transaction or expense properly agreed to or incurred by the
Bank in connection with services performed hereunder but not settled, paid or
reimbursed prior to the date of any such termination. Upon termination of this
Agreement, the fee referred to above will be prorated, but the due date thereof
shall not be changed.

9. Representations and Warranties of WFS. WFS represents and warrants to and for
the benefit of the Bank as follows:

        9.1 Corporate Existence and Qualifications. WFS is a corporation or
association duly organized, validly existing and in good standing under the laws
of the States of California with full corporate power to own its properties and
to carry on its business as now owned and operated by WFS.

        9.2 Licenses; Compliance with Laws. WFS has all licenses, franchises,
permits and authorizations necessary for the lawful conduct by WFS of its
business. WFS has not violated, and is not in violation of, any such licenses,
franchises, permits or authorizations or any applicable statutes, laws,
ordinances, rules or regulations of any federal, state, or local governmental
bodies, agencies or subdivisions having, asserting or claiming jurisdiction over
it or over any part of its operations.

10. Covenants Regarding Corporate Existence.

        10.1 Preservation of Corporate Existence and Qualifications. WFS will
keep in full effect its existence, rights and franchises as a corporation or
association under the laws of the jurisdiction in which organized and will
obtain and preserve its qualifications to carry on business as a foreign
corporation in each jurisdiction in which such qualification is or shall be
necessary.


                                       2
<PAGE>   3

        10.2 Observation of Corporate Formalities. WFS shall at all times
observe the applicable legal requirements for the recognition of WFS as a
corporate entity separate and apart from the Bank, including without limitation
the following:

               (a) WFS shall maintain corporate records and books of account
separate from those of the Bank;

               (b) WFS shall not at any time commingle its funds with those of
the Bank;

               (c) WFS shall hold meetings of its Board of Directors as
appropriate to authorize its corporate actions;

               (d) WFS shall hold meetings of its shareholder(s) as appropriate
and as required by the Corporations Code of the jurisdiction in which organized
to authorize its corporate actions;

               (e) WFS shall file all reports required by the Secretary of State
in all jurisdictions in which WFS is licensed or qualified, including the annual
statement by whatever name denominated, in a timely manner; and

               (f) WFS shall ensure that yearly franchise taxes are paid in a
timely manner so as to maintain its corporate existence uninterrupted.

        10.3 Advertising. WFS will at all times hold itself out to the public as
an entity separate from the Bank and its advertising and marketing shall reflect
such separate corporate existence.

        10.4 OTS Regulations. WFS shall comply with all applicable OTS
regulations. If required by 12 C.F.R. Section 563.37(b), any instrument
evidencing borrowing by WFS shall indicate that the Bank is in no way
responsible for any such debt.

11. Liability; Consultation with Counsel. the Bank shall assume no
responsibility or liability with respect to the business or affairs of WFS,
other than to provide the management and administrative services required
hereunder. WFS shall indemnify, defend and hold harmless the Bank against and in
respect of any and all claims, demands, losses, costs, expenses, obligations,
liabilities, damages, recoveries and deficiencies (collectively the "Claims"),
including without limitation interest penalties and attorney's fees, that the
Bank shall incur or suffer, which arise, result from or relate to (i) conduct by
WFS of its business and operations and (ii) breach by WFS of its obligations
pursuant to this Agreement. Notwithstanding anything contained herein to the
contrary, WFS's obligations pursuant to this section shall not be applicable to
Claims arising directly from the Bank's bad faith, gross negligence or willful
misconduct. This Agreement shall create no right, benefit or privilege in favor
of any person not a party hereto, and no person not a party hereto shall have
any recourse against the Bank for any advice, service or facility provided or
omitted by the Bank pursuant to this Agreement. The Bank may consult with legal
counsel (who may also be counsel to WFS) concerning any questions that may arise
with respect to its duties and obligations hereunder, and it shall be fully
protected in respect of any action taken or omitted by it hereunder in good
faith reliance on any opinion of such counsel with respect to any such duty or
obligation.

12. General.

        12.1 This Agreement may be modified, amended or superseded in whole or
in part, at any time, by a writing executed by the parties hereto.

        12.2 This Agreement shall be governed by the laws of California, except
to the extent any such laws are superseded by federal law or regulation.

        12.3 This Agreement may be executed in counterparts, all of which, taken
together shall constitute one agreement.


                                       3
<PAGE>   4

        12.4 Neither party shall assign this Agreement without the prior written
consent of the other party, which consent shall not unreasonably be withheld.

        Wherefore, the undersigned have executed this Agreement on the date set
forth below to be effective as of the date first set forth above.

WESTERN FINANCIAL SAVINGS BANK, F.S.B.

By: /s/ J. KEITH PALMER                               Date: February 28, 1996
    -------------------------------------------
    J. Keith Palmer, Vice President & Treasurer


WFS FINANCIAL INC

By: /s/ JOY SCHAEFER                                  Date: February 28, 1996
    -------------------------------------------
    Joy Schaefer, President



                                       4


<PAGE>   1

                                                                   EXHIBIT 10.20


        MANAGEMENT SERVICES AGREEMENT

        This MANAGEMENT SERVICES AGREEMENT ("Agreement") is made as of the 1st 
day of January, 1997, by and among each of the undersigned companies (the 
"Companies", or individually, "Company"):

                              WESTCORP ("Westcorp")
                       WESTCORP INVESTMENTS, INC. ("WII")
                       WESTRAN SERVICES CORP. ("Westran")
                   WESTERN FINANCIAL BANK. F.S.B. (the "Bank")
                            WFS FINANCIAL INC ("WFS")
                     WFS FINANCIAL AUTO LOANS, INC. ("WFAL")
                   WFS FINANCIAL AUTO LOANS 2, INC. ("WFAL2")
                         WFS INVESTMENTS, INC. ("WFSII")
                THE HAMMOND COMPANY, THE MORTGAGE BANKERS ("THC")
                     WESTERN CONSUMER SERVICES, INC. ("WCS")
                   WESTERN RECONVEYANCE COMPANY, INC. ("WRC")
                WESTERN FINANCIAL INSURANCE AGENCY, INC. ("WFIA")
                   WESTERN FINANCIAL INVESTMENTS, INC. ("WFI")
                     WESTHRIFT LIFE INSURANCE COMPANY ("WT")

        This Agreement shall replace and supersede all previous Administrative
Services, Allocation or Management Agreements, if any, existing among the
various Companies.

                                    RECITALS

     A. Westcorp is the sole shareholder of Westran and WII, each of which is a
California corporation, and is the sole shareholder of the Bank, a federally
chartered savings bank.

     B. The Bank is the majority shareholder of WFS, a California corporation,
and is the sole shareholder of THC, WCS, WRC, WFIA, and WFI each of which is a
California corporation, and of WT, an Arizona corporation.

     C. WFS is the sole shareholder of WFAL, WFAL2, and WFSII.

     D. Companies desire to obtain management and administrative services from
each other.

     E. Companies are willing to provide such management and administrative
services to each other on the terms and conditions described below.

     F. Westcorp, cognizant of the fact that WII does not have operations
generating income to cover the costs related to maintaining WII, desires to
reimburse or compensate the other Companies for all expenses incurred by
Companies on behalf of WII for the benefit of Westcorp.

     G. WFS, cognizant of the fact that WFAL, WFAL2, and WFSII ("Subsidiaries")
do not have operations generating income to cover the costs related to
maintaining Subsidiaries, desires to reimburse or compensate the other Companies
for all expenses incurred by Companies on behalf of Subsidiaries for the benefit
of WFS.

     H. Companies desire to set forth the terms of their relationship in order
to ensure that, in accordance with Office of Thrift Supervision ("OTS")
regulations, each Company functions as and remains a corporate entity separate
and apart from each other Company.

                                    AGREEMENT

     In consideration of the mutual promises set forth herein, and in reliance
upon the recitals set forth above, the parties agree as follows:


                                       1
<PAGE>   2

     1. Services Performed By One Company For the Benefit of Other Companies.
Certain services are performed by one Company ("Performing Company") for itself
and for other Companies ("Benefiting Company"). These costs are not always
directly traceable to each Benefiting Company; or such tracing cannot be
economically or practically accomplished; or the value of such goods and
services are not sufficiently substantial, as a portion of Performing Company's
total expenditure for such goods and services, as to be separately calculated.
Therefore, each Benefiting Company agrees that it shall reimburse Performing
Company for aggregate categories of such goods and services at the rates and
using the methods specified for each category in the attached Exhibit "A", as
amended from time to time, which is incorporated herein and made part of this
Agreement. The Companies have determined that the method and rate for each
category most accurately reflect the amount of services devoted by Performing
Company to each Benefiting Company. Methods and rates shall be calculated as of
the effective date of this agreement and recalculated each January 1st for the
upcoming year, or more frequently if a material change occurs.

     Performing Companies and the services currently provided by them are set
out below. An amendment to Exhibit "A" is sufficient to amend this list.

             (a) Services Provided by Westcorp. Cash management and treasury
services, hedging, tax preparation and filing, purchasing, mail services,
facilities management, lease administration, security, payroll, and personnel
and human resources support services.

             (b) Services Provided by the Bank. Regulatory compliance, internal
asset review, and safety and soundness of asset quality.

             (c) Services Provided by WFS. Network and personal computer
operations, account processing, and some legal services.

     Pursuant to Recital F, above, Westcorp shall reimburse other Companies for,
or shall be directly responsible for, all direct costs incurred by a Company on
behalf of WII for the benefit of Westcorp.

     Pursuant to Recital G, above, WFS shall reimburse other Companies for, or
shall be directly responsible for, all direct costs incurred by a Company on
behalf of WFAL, WFAL2, and WFSII for the benefit of WFS.

     2. Direct Costs. Direct costing shall be used when a specific service or
product directly benefits a Company and the costs of the service or product is
readily identifiable and measurable. For example, invoices from third party
suppliers of goods or services, will be treated as direct costs and paid
directly by Benefiting Company as incurred. Where appropriate, Companies shall
enter into separate agreements for such goods and services.

     Pursuant to Recital F, above, Westcorp shall reimburse other Companies for,
or shall be directly responsible for, all direct costs incurred by a Company on
behalf of WII for the benefit of Westcorp.

     Pursuant to Recital G, above, WFS shall reimburse other Companies for, or
shall be directly responsible for, all direct costs incurred by a Company on
behalf of WFAL, WFAL2, and WFSII for the benefit of WFS.

     3. Space and Office Services. A Company, from time to time and at different
times, may permit another Company to occupy certain space at specific locations
owned or leased by Company. At particular locations, certain office services,
including without limitation, receptionist, telecommunications, and photocopying
services, may be included in the occupancy arrangement. Because locations and
services may be changed or canceled and additional locations and services may be
requested and provided, locations, services and the compensation for them are as
set forth in Exhibit "B", as amended from time to time, attached hereto and
incorporated herein. WFI uses approximately 120 square feet of space in each of
the Bank's retail branches for the sale of non-insured products. Pursuant to
regulations,


                                       2
<PAGE>   3

the space is clearly identified and separate from the retail operation. The
occupancy and use of any particular space or service may be terminated by either
Company with ten (10) day notice to the other Company without affecting the
occupancy or use of any other space or service. There is no requirement that a
Company must occupy any particular space for any particular period of time.

     Pursuant to Recital F, above, Westcorp shall reimburse other Companies for,
or shall be directly responsible for, all direct costs incurred by a Company on
behalf of WII for the benefit of Westcorp.

     Pursuant to Recital G, above, WFS shall reimburse other Companies for, or
shall be directly responsible for, all direct costs incurred by a Company on
behalf of WFAL, WFAL2, and WFSII for the benefit of WFS.

     4. Director/Officer Costs. An employee of Westcorp ("Executive") devotes
substantially all his time to other Companies and each Benefiting Company
recognizes it should reimburse Westcorp for time spent by Executive on
Benefiting Company's business. The allocation of Executive's compensation to
each Benefiting Company is included in Exhibit "A".

     Certain employees of the Companies serve as directors and officers of other
Companies in addition to their regular job functions or devote a substantial
amount of their time to other Companies' business. Their salaries and benefits
are paid by their employer ("Employer"). Therefore, this Agreement provides for
Benefiting Company to reimburse Employer on a monthly basis for that portion of
the time spent by employees on Benefiting Company's business. This service will
be provided by Employer to Benefiting Company on a flat fee basis for officers
and directors and is intended to cover those instances where specific employees
devote more than an incidental or indivisible segment of time to the affairs of
Company in the capacity of an officer or director. In those instances where
employees spend a substantial amount of time on a Company's business, the
service is provided on a direct cost basis. The flat fee shall be an hourly
rate, which is a blended rate calculated as the average compensation of all
employees except Executive, regardless of their Employer, who serve as officers
and directors of Companies. Because the directors and officers change from time
to time, as will the calculation of the fee, the specific persons and current
fee are shown on Exhibit "C", as amended from time to time, attached hereto and
incorporated herein by reference. Each person shall estimate the number of hours
per month which he/she devotes to a Company as an officer or director thereof
and shall notify the controller of his/her Company annually or upon any material
change in the estimate.

     Pursuant to Recital F, above, Westcorp shall reimburse other Companies for,
or shall be directly responsible for, all Director/Officer costs incurred by a
Company on behalf of WII for the benefit of Westcorp.

     Pursuant to Recital G, above, WFS shall reimburse other Companies for, or
shall be directly responsible for, all Director/Officer costs incurred by a
Company on behalf of WFAL, WFAL2, and WFSII for the benefit of WFS.

     5. Reconveyance Fees. WRC is trustee on trust deeds loans made by the Bank
and provides reconveyance services to the Bank. WRC also provides reconveyance
services on real estate loans made by THC. The Bank, for itself and for THC,
shall pay a fee to WRC, which shall not exceed the maximum allowable statutory
fee, for each reconveyance processed by WRC. The current fee is set at $65.00
per reconveyance. This fee is payable whether or not the Bank or THC, as
beneficiary under the trust deeds being reconveyed, is paid by the subject
borrowers. In the event any such reconveyance fees are paid directly to WRC or
THC by third parties, such receipts shall be credited to the Bank for fees due
under this Paragraph.

     6. Time and Method of Payment. Reimbursement for allocated costs shall be
payable by each Company to others Companies on a monthly basis by the 20th day
of each month for expenses and costs incurred during the prior


                                       3
<PAGE>   4

month. The Accounting Department of each Company under the direction of the
Controller shall administer the reimbursement and reflect the reimbursement on
the separate books and records of each Company.

     7. Term.

             7.1 This Agreement shall commence as of the date stated above and
shall continue until terminated by the parties.

             7.2 This Agreement may be terminated immediately for breach of any
covenant, obligation, or duty herein contained or for violation of law,
ordinance, statute, rule or regulation (collectively referred to as "law")
governing the conduct of any party hereto.

             7.3 Termination shall not affect the obligations of the Companies
with respect to any event occurring before termination. Each Company shall be
bound by and responsible for any transaction or expense properly agreed to or
incurred by another Company in connection with services performed hereunder but
not settled, paid or reimbursed prior to the date of any such termination. Upon
termination of this Agreement, the fee referred to above will be prorated, but
the due date thereof shall not be changed.

     8. Representations and Warranties of Company. Each Company on its behalf
alone represents and warrants to and for the benefit of other Companies as
follows:

             8.1 Corporate Existence and Qualifications. Company is a
corporation or association duly organized, validly existing and in good standing
under the laws of the United States or of the States of California or Arizona,
as applicable, with full corporate power to own its properties and to carry on
its business as now owned and operated by Company.

             8.2 Licenses; Compliance with Laws. Company has all licenses,
franchises, permits and authorizations necessary for the lawful conduct by
Company of its business. Company has not violated, and is not in violation of,
any such licenses, franchises, permits or authorizations or any applicable
statutes, laws, ordinances, rules or regulations of any federal, state, or local
governmental bodies, agencies or subdivisions having, asserting or claiming
jurisdiction over it or over any part of its operations.

     9. Covenants Regarding Corporate Existence.

             9.1 Preservation of Corporate Existence and Qualifications. Each
Company shall keep in full effect its existence, rights and franchises as a
corporation or association under the laws of the jurisdiction in which organized
and will obtain and preserve its qualifications to carry on business as a
foreign corporation in each jurisdiction in which such qualification is or shall
be necessary.

             9.2 Observation of Corporate Formalities. Each Company shall at all
times observe the applicable legal requirements for the recognition of Company
as a corporate entity separate and apart from any other Company, including
without limitation the following:

                  (a) Each Company shall maintain corporate records and books of
account separate from those of other Companies;

                  (b) Each Company shall not at any time commingle its funds
with those of other Companies;

                  (c) Each Company shall hold meetings of its Board of Directors
as appropriate to authorize its corporate actions;

                  (d) Each Company shall hold meetings of its shareholder(s) as
appropriate and as required by the Corporations Code of the jurisdiction in
which organized to authorize its corporate actions;


                                       4
<PAGE>   5

                  (e) Each Company shall file all reports required by the
Secretary of State in all jurisdictions in which Company is licensed or
qualified, including the annual statement by whatever name denominated, in a
timely manner; and

                  (f) Each Company shall ensure that yearly franchise taxes are
paid in a timely manner so as to maintain its corporate existence uninterrupted.

             9.3 Advertising. Each Company will at all times hold itself out to
the public as an entity separate from any other Company and its advertising and
marketing shall reflect such separate corporate existence.

             9.4 OTS Regulations. Each Company shall comply with all applicable
OTS regulations. If required by 12 C.F.R. Section 563.37(b), any instrument
evidencing borrowing by Company shall indicate that no other Company is
responsible for any such debt.

     10. Liability; Consultation with Counsel. No Performing Company shall
assume responsibility or liability with respect to the business or affairs of
another Company except to the extent provided for in this Agreement. Each
Benefiting Company under this Agreement ("Indemnitor") shall indemnify, defend
and hold harmless the Performing Companies against and in respect of any and all
claims, demands, losses, costs, expenses, obligations, liabilities, damages,
recoveries and deficiencies (collectively the "Claims), including without
limitation interest penalties and attorney's fees, that such Performing Company
shall incur or suffer, which arise, result from or relate to (i) conduct by
Indemnitor of its business and operations and (ii) breach by Indemnitor of its
obligations pursuant to this Agreement. Notwithstanding anything contained
herein to the contrary, Indemnitor's obligations pursuant to this section shall
not be applicable to Claims arising directly from Performing Company's bad
faith, gross negligence or willful misconduct. This Agreement shall create no
right, benefit or privilege in favor of any person not a party hereto, and no
person not a party hereto shall have any recourse against Performing Company for
any advice, service or facility provided or omitted by Performing Company
pursuant to this Agreement. Performing Company may consult with legal counsel
(who may also be counsel to Indemnitor) concerning any questions that may arise
with respect to its duties and obligations hereunder, and it shall be fully
protected in respect of any action taken or omitted by it hereunder in good
faith reliance on any opinion of such counsel with respect to any such duty or
obligation.

     11. General.

             11.1 This Agreement may be modified, amended or superseded in whole
or in part, at any time, by a writing executed by the parties hereto.

             11.2 This Agreement shall be governed by the laws of California,
except to the extent any such laws are superseded by federal law or regulation.

             11.3 This Agreement may be executed in counterparts, all of which,
taken together shall constitute one agreement.

             11.4 No Company shall assign this Agreement without the prior
written consent of the other Companies, which consent shall not unreasonably be
withheld.

             Wherefore, the undersigned have executed this Agreement on the date
set forth below to be effective as of the date first set forth above.

WESTCORP

By: /s/ ERNEST S. RADY                                    Date: March 31, 1997
    ---------------------------------------
    Ernest S. Rady, President & Chief Executive Officer


                                       5
<PAGE>   6

WESTCORP INVESTMENTS, INC.

By: /s/ MARK OLSON                                Date: March 31, 1997
    ----------------------------------------
        Mark Olson, Vice President

WESTRAN SERVICES CORP.

By: /s/ ALLEN D. GARRETT                          Date: March 31, 1997
    ----------------------------------------
        Allen D. Garrett, President

WESTERN FINANCIAL BANK, F.S.B.

By: /s/ DONALD H. KASLE                           Date: March 31, 1997
    ----------------------------------------
        Donald H. Kasle, President

WFS FINANCIAL INC

By: /s/ JOY SCHAEFER                              Date: March 31, 1997
    ----------------------------------------
        Joy Schaefer, President

WFS FINANCIAL AUTO LOANS, INC.

By: /s/ JAMES R. DOWLAN                           Date: March 31, 1997
    ----------------------------------------
        James R. Dowlan, President

WFS FINANCIAL AUTO LOANS 2, INC

By: /s/ JAMES R. DOWLAN                           Date: March 31, 1997
    ----------------------------------------
        James R. Dowlan, President

WFS INVESTMENTS, INC.

By: /s/ MARK OLSON                                Date: March 31, 1997
    ----------------------------------------
        Mark Olson, Vice President

THE HAMMOND COMPANY, THE MORTGAGE BANKERS

By: /s/ ARTHUR W. ALVAREZ                         Date: March 31, 1997
    ----------------------------------------
        Arthur W. Alvarez, President

WESTERN CONSUMER SERVICES, INC.

By: /s/ THOMAS E. BLEE                            Date: March 31, 1997
    ----------------------------------------
        Thomas E. Blee, President

WESTERN RECONVEYANCE COMPANY, INC.

By: /s/ BARBARA J. DARLING                        Date: March 31, 1997
    ----------------------------------------
        Barbara J. Darling, President

WESTERN FINANCIAL INSURANCE AGENCY, INC.


                                       6
<PAGE>   7

By: /s/ KATHERINE M. SALTZMAN                        Date: March 31, 1997
    ----------------------------------------
        Katherine M. Saltzman, President


WESTERN FINANCIAL INVESTMENTS, INC.

By: /s/ BRETT W. GROSS                               Date: March 31, 1997
    ----------------------------------------
        Brett W. Gross, President


WESTHRIFT LIFE INSURANCE COMPANY

By: /s/ JAMES R. DOWLAN                              Date: March 31, 1997
    ----------------------------------------
        James R. Dowlan, President



                                       7

<PAGE>   1
 
                                                                    EXHIBIT 21.1
 

                       SUBSIDIARIES OF WFS FINANCIAL INC
 

WFS FINANCIAL AUTO LOANS, INC., A CALIFORNIA CORPORATION
WFS FINANCIAL AUTO LOANS 2, INC., A CALIFORNIA CORPORATION
WFS INVESTMENTS, INC., A CALIFORNIA CORPORATION
 











                                        1

<PAGE>   1
 
                                                                    EXHIBIT 23.1
 
                        CONSENT OF INDEPENDENT AUDITORS
 
     We consent to the incorporation by reference in the Registration Statement
(Form S-8 No. 33-7485) pertaining to the Incentive Stock Option Plan of WFS
Financial Inc and in the related prospectus of our report dated February 9,
1998, with respect to the consolidated financial statements of WFS Financial Inc
and Subsidiaries included in the Annual Report (Form 10-K) for the year ended
December 31, 1997.
 
                                          ERNST & YOUNG LLP
 
Los Angeles, California
March 12, 1998
 









                                        1

<TABLE> <S> <C>

<ARTICLE> 9
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                         146,820
<INT-BEARING-DEPOSITS>                               0
<FED-FUNDS-SOLD>                                     0
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                          0
<INVESTMENTS-CARRYING>                               0
<INVESTMENTS-MARKET>                                 0
<LOANS>                                        236,125
<ALLOWANCE>                                      6,787
<TOTAL-ASSETS>                                 878,160
<DEPOSITS>                                           0
<SHORT-TERM>                                         0
<LIABILITIES-OTHER>                            523,267
<LONG-TERM>                                    175,000
                                0
                                          0
<COMMON>                                        73,563
<OTHER-SE>                                     106,330
<TOTAL-LIABILITIES-AND-EQUITY>                 878,160
<INTEREST-LOAN>                                 62,987
<INTEREST-INVEST>                                    0
<INTEREST-OTHER>                                     0
<INTEREST-TOTAL>                                62,987
<INTEREST-DEPOSIT>                                   0
<INTEREST-EXPENSE>                              10,331
<INTEREST-INCOME-NET>                           52,657
<LOAN-LOSSES>                                    8,248
<SECURITIES-GAINS>                                   0
<EXPENSE-OTHER>                                167,419
<INCOME-PRETAX>                                 54,142
<INCOME-PRE-EXTRAORDINARY>                           0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    31,314
<EPS-PRIMARY>                                     1.22<F1>
<EPS-DILUTED>                                     1.22<F2>
<YIELD-ACTUAL>                                   11.65
<LOANS-NON>                                          0
<LOANS-PAST>                                       587
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                                 7,648
<CHARGE-OFFS>                                   13,411
<RECOVERIES>                                     4,303
<ALLOWANCE-CLOSE>                                6,787
<ALLOWANCE-DOMESTIC>                             6,787
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                              0
<FN>
<F1>EPS is reported as "Basic EPS" as prescribed by Statement of Financial 
Accounting Standards No. 128.
<F2>EPS is reported as "Diluted EPS" as prescribed by Statement of Financial
Accounting Standards No. 128.
</FN>
        

</TABLE>


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