SECURITY BANK HOLDING CO
424B1, 1996-09-16
STATE COMMERCIAL BANKS
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<PAGE>
                                        Filed Pursuant to 424(b)(1)
                                        Registration No. 033-80795

                         SECURITY BANK HOLDING COMPANY
 
                               170 S. SECOND ST.
                             COOS BAY, OREGON 97420
                            TELEPHONE: 541-267-5356
 
                         350,000 SHARES OF COMMON STOCK
 
    All of the shares of Common Stock, $5.00 par value ("Common Stock"), offered
hereby  are newly issued shares of Security  Bank Holding Company. Prior to this
Offering there has been a limited public market for the shares of Security  Bank
Holding  Company Common  Stock. The  shares are  traded in  the over-the-counter
market through the OTC Bulletin Board Service and the Pink Sheet Service of  the
National  Quotation Bureau. The stock has traded  in the range of $7.75 to $9.00
since January 1, 1996, and  was quoted at $8.00 bid,  $8.75 ask as of  September
12,  1996, the most recent day prior  to the Offering. Application has been made
to the National  Association of  Securities Dealers  Automated Quotation  System
("NASDAQ")  for  inclusion of  the Common  Stock in  the NASDAQ  National Market
System under the symbol "SBHC."
                            ------------------------
 
    SEE "RISK  FACTORS"  ON  PAGE  4 FOR  CERTAIN  INFORMATION  THAT  SHOULD  BE
CONSIDERED BY PROSPECTIVE INVESTORS.
                             ---------------------
 
THE  SHARES  OFFERED  HEREBY  ARE  NOT SAVINGS  OR  DEPOSIT  ACCOUNTS  OR OTHER
 OBLIGATIONS OF A BANK AND ARE NOT  INSURED BY THE BANK INSURANCE FUND OF  THE
     FEDERAL DEPOSIT INSURANCE CORPORATION OR ANY OTHER GOVERNMENT AGENCY.
                            ------------------------
 
THESE  SECURITIES HAVE NOT  BEEN APPROVED OR DISAPPROVED  BY THE SECURITIES AND
 EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES
  AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON  THE
   ACCURACY  OR ADEQUACY OF THIS PROSPECTUS.  ANY          REPRESENTATION TO
                      THE CONTRARY IS A CRIMINAL OFFENSE.
 
<TABLE>
<CAPTION>
                                                         UNDERWRITING        PROCEEDS TO
                                     PRICE TO PUBLIC    DISCOUNT (1)(2)      COMPANY (2)
Per Share.........................        $8.00              $0.64              $7.36
<S>                                 <C>                <C>                <C>
Total (3).........................     $2,800,000          $224,000          $2,576,000
</TABLE>
 
(1)  See  "Underwriting"  for  information  concerning  indemnification  of  the
    Underwriter and other matters.
 
(2) Before deducting expenses payable by the Company, estimated to be $250,000.
 
(3) The Company has granted to the Underwriter a 45-day option to purchase up to
    52,500  additional shares of  Common Stock on  the same terms  per share, to
    cover over-allotments, if any.  If all such Common  Stock is purchased,  the
    total  Price to Public,  Underwriting Discount, and  Proceeds to the Company
    will be $3,220,000, $257,600, and $2,962,400, respectively.
                            ------------------------
 
    The Common Stock is offered by the Underwriter, subject to prior sale, when,
as and if  delivered to and  accepted by  it, and subject  to the  Underwriter's
right  to accept or  reject any order in  whole or in part.  It is expected that
delivery of the  Common Stock will  be made at  the office of  Black &  Company,
Inc., Portland, Oregon on or about September 18, 1996.
                            ------------------------
 
                             BLACK & COMPANY, INC.
 
               THE DATE OF THIS PROSPECTUS IS SEPTEMBER 13, 1996
<PAGE>
                         SECURITY BANK HOLDING COMPANY
 
                              PARENT COMPANY(1) OF
 
                                 SECURITY BANK
 
<TABLE>
<CAPTION>
                        DEPOSITS AS OF
BRANCH LOCATIONS        JUNE 30, 1996      YEAR OPENED
- ---------------------  ----------------  ----------------
<S>                    <C>               <C>
Bandon                 $     19,625,774        1974
Brookings-Harbor             14,092,575        1985
Bunker Hill                   8,125,137        1977
Coos Bay-Mall                25,306,483        1985
Coquille                     18,814,467        1971
Myrtle Point                 23,227,973        1919
North Bend                   22,000,850        1983
                       ----------------
Total                  $    131,193,259
                       ----------------
                       ----------------
</TABLE>
 
                         AND MAJORITY SHAREHOLDER(2) OF
                             LINCOLN SECURITY BANK
 
<TABLE>
<CAPTION>
                        DEPOSITS AS
                        OF JUNE 30,
LOCATION                   1996         DATE OPENED
- ---------------------  -------------  ----------------
<S>                    <C>            <C>
Newport                $   3,014,603    May 30, 1996
</TABLE>
 
- ------------------------
(1) Security Bank is a wholly-owned subsidiary of the Company.
 
(2) The Company owns approximately 68.44% of Lincoln Security Bank's outstanding
    capital stock.
 
    The  Company  will  provide  to  shareholders  quarterly  reports containing
unaudited  financial  statements   and  annual   reports  containing   financial
statements  audited  by the  Company's  independent auditors.  In  addition, the
Company will furnish annual reports on Form 10-KSB and quarterly reports on Form
10-QSB free of charge to shareholders who so request in writing addressed to the
Secretary of the Company.
 
    IN CONNECTION WITH THIS OFFERING,  THE UNDERWRITER MAY OVER-ALLOT OR  EFFECT
TRANSACTIONS  WHICH STABILIZE OR  MAINTAIN THE MARKET  PRICE OF THE  SHARES AT A
LEVEL ABOVE  THAT  WHICH  MIGHT  OTHERWISE PREVAIL  IN  THE  OPEN  MARKET.  SUCH
STABILIZING, IF COMMENCED, MAY BE DISCONTINUED AT ANY TIME.
 
                                       2
<PAGE>
                               PROSPECTUS SUMMARY
 
    THE  FOLLOWING SUMMARY  IS QUALIFIED  IN ITS  ENTIRETY BY  THE MORE DETAILED
INFORMATION AND CONSOLIDATED FINANCIAL STATEMENTS, INCLUDING THE NOTES  THERETO,
APPEARING  ELSEWHERE  IN  THIS  PROSPECTUS. EXCEPT  AS  OTHERWISE  INDICATED ALL
INFORMATION IN THIS PROSPECTUS  ASSUMES THE UNDERWRITER'S OVER-ALLOTMENT  OPTION
IS NOT EXERCISED.
 
THE COMPANY
 
    Security  Bank Holding  Company (the  "Company") is  a bank  holding company
headquartered in  Coos  Bay,  Oregon.  The  Company's  principal  subsidiary  is
Security Bank ("Security Bank"), a state-chartered, FDIC-insured commercial bank
organized  in 1919,  which serves  Coos and  Curry Counties,  Oregon, from seven
offices. The Company's only other subsidiary is Lincoln Security Bank ("Lincoln"
or "Lincoln  Security"),  a  newly-organized  state-chartered  bank  located  in
Newport,  Oregon, in which the Company  holds a majority interest. Security Bank
and Lincoln Security  are referred to  collectively herein as  the "Banks".  The
Banks  offer a broad range of commercial  and personal banking services to their
customers, who are primarily individuals, small and medium-sized businesses, and
professionals. The  Banks' lending  activities include  commercial, real  estate
construction  and consumer loans. They also originate residential mortgage loans
most of which are fixed rate loans  sold into the secondary market primarily  to
the  Federal  National  Mortgage  Association  and  Federal  Home  Loan Mortgage
Corporation. Through  a subsidiary  of Security  Bank, the  Company acts  as  an
insurance  agent selling  annuities, whole life  and health  care insurance and,
through an unaffiliated securities broker  dealer, makes available mutual  funds
for its customers.
 
    At June 30, 1996, the Company had consolidated assets of $170.1 million, net
loans  of $80.6 million and  deposits of $133.8 million.  Since January 1, 1990,
total assets, net 1oans, and deposits  have each increased at a compound  annual
rate of 11.60%, 8.98% and 9.40%, respectively.
 
    The Company's return on equity has exceeded 12% for each year since 1990 and
was  15.39%  and  16.61%  for  the  years  ended  December  31,  1995  and 1994,
respectively, and 11.47% (annualized)  for the six months  ended June 30,  1996.
During  this period the Company has maintained  strong asset quality, as of June
30, its net loan charge-offs as a  percentage of loans averaged 0.01%, which  is
below peer group averages.
 
    The Company has enjoyed this growth and performance from its primary markets
of  Coos and  Curry Counties.  While the population  of and  employment in these
counties are now growing, rebounding  from significant declines during the  late
1970's  and early 1980's when  forest products production dropped precipitously,
Security Bank has  grown faster  than the markets  it serves  by gaining  market
share from competitors. The Company believes that its success is attributable to
its  emphasis on personalized  customer service, its  mix of innovative products
tailored to  the needs  of its  local customers,  and its  identity as  a  local
community  bank.  To enhance  this success,  the  Company is  pursuing strategic
opportunities in markets beyond those which it currently serves. For example, to
diversify credit risks  and generate more  loan demand, Security  Bank opened  a
mortgage  banking office in Eugene, Oregon,  in November, 1995. In addition, the
Company's investment in  Lincoln Security  is intended to  expand the  Company's
market by replicating the successful strategy used by Security Bank. The economy
of  Lincoln  County  derives more  benefit  from  tourism and  its  proximity to
Portland, Oregon, than Coos and Curry Counties, and is currently enjoying  lower
unemployment rates. The Company believes that the investment in Lincoln Security
Bank  further diversifies the Company's exposure to credit risks and presents an
opportunity to experience additional growth.
 
    The Banks compete directly with much larger commercial banks, each of  which
is  a  subsidiary of  a multi-state  financial services  company, operates  in a
number of other  markets, and has  more resources  than the Banks.  In order  to
compete  effectively, the  Banks have chosen  to provide  more personal customer
service  than  their  competitors,  and  distinguish  themselves  as  the  local
community  bank  in  their  respective  markets.  This  marketing  strategy  has
permitted Security Bank to enjoy strong net interest margins, among the  highest
of  community banks of any size. As community banks, the Banks are able to offer
loan and  deposit products  specifically designed  for the  markets they  serve.
 
                                       3
<PAGE>
For  example, Security Bank  offers products intended  to meet the  needs of the
increasing number of  retirees which  constitute a  high percentage  of the  new
residents  in Coos  and Curry  Counties. As a  result of  its business strategy,
Security Bank has been  the fastest growing  bank in its  market since 1990,  as
measured by the rate of increase in total deposits.
 
RISK FACTORS
 
    Prospective  investors should  carefully consider  the risks  inherent in an
investment in the Common Stock offered  hereby. Such risks include the  exposure
to the local economy, credit and interest-rate risks, concentration of ownership
in   certain  shareholders,  regulatory  risks,  dependence  on  key  personnel,
competition, a limited  market for the  stock, and certain  other risks as  more
fully discussed herein. See "Risk Factors".
 
THE OFFERING
 
<TABLE>
<S>                                      <C>
COMMON STOCK
  Common Stock offered by the
   Company.............................  350,000
  Common Stock to be outstanding after
   the Offering........................  3,112,325(1)
DIRECTED SHARES........................  35,000  shares (10% of the Offering) have been
                                         reserved,  subject  to  demand,  for  sale  to
                                         directors,  officers, employees  and customers
                                         of  the  Company  and  its  subsidiaries,  and
                                         residents of Coos, Curry and Lincoln Counties,
                                         consistent  with  the Company's  current local
                                         ownership and focus.
USE OF PROCEEDS........................  The net proceeds of the Offering will be  used
                                         to  enhance capital levels to support internal
                                         growth  of  the   Company,  and  for   general
                                         corporate  purposes.  The  Company  may  use a
                                         portion of  the  proceeds  to  prepay  certain
                                         indebtedness   of  the   Company  incurred  in
                                         connection with the  Company's Employee  Stock
                                         Ownership  Plan.  See  "Use  of  Proceeds" and
                                         "Management -- Other Benefit Plans."
NASDAQ NMS SYMBOL......................  SBHC
</TABLE>
 
- ------------------------
(1) Includes 522,471 shares issued to the Security Bank Holding Company Employee
    Stock Ownership  Plan which  are  not yet  allocated  to employees  and  are
    pledged to secure repayment of notes to the Company. Does not include 96,600
    shares subject to stock options. See "Management -- Other Benefit Plans."
 
                                       4
<PAGE>
                      SELECTED CONSOLIDATED FINANCIAL DATA
 
    The   following  table   sets  forth  certain   information  concerning  the
consolidated financial condition, operating results, and key operating ratios at
the dates and for the periods indicated. The data for the six months ended  June
30, 1996 and 1995, are derived from unaudited consolidated financial statements,
but,  in the opinion of management, reflect all adjustments necessary for a fair
presentation of the data for these periods. Operating results for the six months
ended June 30, 1996, are not necessarily  indicative of the results that may  be
expected for the entire year ending December 31, 1996. This information does not
purport  to be  complete, and  should be  read in  conjunction with Management's
Discussion and Analysis of  Financial Condition and  Results of Operations,  and
the  Consolidated Financial Statements of the Company and Notes thereto included
in this Prospectus.
 
<TABLE>
<CAPTION>
                                                            SIX MONTHS ENDED
                                                                JUNE 30,              YEAR ENDED DECEMBER 31,
                                                      ----------------------------  ----------------------------
                                                          1996           1995           1995           1994
                                                      -------------  -------------  -------------  -------------
                                                              (UNAUDITED)
<S>                                                   <C>            <C>            <C>            <C>
 
INCOME STATEMENT DATA
  Interest income...................................  $   6,480,411  $   5,907,746  $  11,956,672  $  10,202,954
  Interest expense..................................      2,625,035      2,147,500      4,421,195      3,134,453
                                                      -------------  -------------  -------------  -------------
  Net interest income...............................      3,855,376      3,760,246      7,535,477      7,068,501
  Provision for loan losses.........................         90,000         95,000        160,000        200,000
                                                      -------------  -------------  -------------  -------------
  Net interest income after provision for loan
   losses...........................................      3,765,376      3,665,246      7,375,477      6,868,501
  Non-interest income...............................      1,398,812      1,039,990      2,244,446      1,960,645
  Non-interest expense..............................      4,059,054      3,623,501      7,122,814      6,392,068
                                                      -------------  -------------  -------------  -------------
  Income before provision for income taxes..........      1,105,134      1,081,735      2,497,109      2,437,078
  Provision for income taxes........................        280,000        323,000        633,000        761,700
                                                      -------------  -------------  -------------  -------------
  Net income........................................  $     825,134  $     758,735  $   1,864,109  $   1,675,378
                                                      -------------  -------------  -------------  -------------
                                                      -------------  -------------  -------------  -------------
DIVIDENDS
  Cash..............................................  $     224,736  $     159,936  $     319,885  $     284,090
  Ratio of dividends declared to net income.........          27.24%         21.08%         17.16%         16.96%
PER SHARE DATA (1)
  Net income per share..............................  $        0.36  $        0.35  $        0.83  $        0.77
  Cash dividends per common share...................  $        0.10  $        0.07  $        0.14  $        0.13
  Weighted average shares outstanding...............      2,269,517      2,180,990      2,239,670      2,180,763
BALANCE SHEET DATA (AT PERIOD END)
  Investment securities.............................  $  70,028,458  $  51,768,791  $  58,227,575  $  53,860,160
  Loans, net and mortgage loans held for sale.......     81,991,144     77,163,307     79,527,430     73,922,003
  Total assets......................................    170,068,251    147,339,058    158,588,333    145,570,559
  Total deposits....................................    133,801,070    121,042,292    127,290,415    121,118,155
  Total shareholders' equity........................     13,889,249     12,037,484     14,371,854     10,628,796
SELECTED RATIOS
  Return on average total assets....................           1.00%          1.04%          1.26%          1.25%
  Return on average total shareholders' equity......          11.61%         13.29%         15.39%         16.61%
  Net interest spread...............................           4.46%          5.09%          4.96%          5.30%
  Efficiency ratio (2)..............................          77.36%         75.49%         72.83%         70.79%
ASSET QUALITY RATIOS
  Reserve for loan losses to:
    Ending total loans..............................           1.27%          1.42%          1.32%          1.35%
    Non-performing assets...........................         219.20%        557.58%        227.62%       1588.70%
  Non-performing assets to ending total
   assets (3).......................................           0.28%          0.14%          0.29%          0.04%
  Net loan charge-offs to average loans.............          (0.12) %         (0.01) %         (0.15) %         (0.14) %
CAPITAL RATIOS
  Average shareholders' equity to average assets....           8.65%          7.82%          8.18%          7.51%
  Tier 1 capital ratio (4) (5)......................          13.34%         11.68%         12.36%         11.11%
  Total risk-based capital ratio (5)................          14.31%         12.73%         13.36%         12.10%
  Leverage ratio (5) (6)............................           8.39%          8.36%          8.29%          7.88%
</TABLE>
 
- ------------------------------
(1)  Per share data has been adjusted for the 50% stock dividend paid on January
     5, 1996.  Excludes  shares issued  to  the Security  Bank  Holding  Company
     Employee  Stock Ownership Plan which are not yet allocated to employees and
     are pledged to secure repayment of notes to the Company. See "Management --
     Other Benefit Plans."
 
                                       5
<PAGE>
(2)  Efficiency ratio is noninterest expense divided by the sum of net  interest
     income plus noninterest income.
 
(3)  Nonperforming  assets consist of nonaccrual loans, loans contractually past
     due 90 days or more and other real estate owned.
 
(4)  This ratio is Tier 1 capital divided by risk-weighted assets.
 
(5)  Computed in accordance with final 1994 Federal Reserve Bank guidelines.
 
(6)  Leverage ratio is Tier 1 capital divided by adjusted total assets.
 
                                       6
<PAGE>
                                  RISK FACTORS
 
    Prospective  investors should carefully consider  the following risk factors
as well as the other information contained in this Prospectus.
 
EXPOSURE TO LOCAL ECONOMY
 
    The  Company's  performance  is  substantially  dependent  on  the   banking
operations  of the  Banks. Security  Bank's operations  are materially dependent
upon and sensitive to the economy of  its market area along the southern  Oregon
coast.  Adverse economic developments can impact the collectibility of loans and
have a negative effect  on the Company's earnings  and financial condition.  The
economies  of  Coos  and  Curry Counties  depend  primarily  on  forest products
manufacturing, retail  trade,  tourism, government,  services  and  agriculture.
Particularly  in  the  1980's,  Security  Bank's  market  area  experienced high
unemployment as a result of the  shift away from forest products  manufacturing,
including a 48% reduction in Coos County forest products manufacturing jobs from
1983  to 1993.  The job  losses and  mill closures  of the  early 1980's  led to
significant loan losses by  the Bank. Subsequent  developments have reduced  the
dependence  of  the  local economy  on  forest products  manufacturing  and have
increased the number of non-manufacturing jobs. Nonetheless, forest products job
losses are expected to continue and there can be no assurance that new jobs will
replace those lost, or that future economic changes will not have a  significant
adverse  impact on Security Bank and  the Company. Lincoln Security is similarly
exposed to and dependent on  the economy of its  market area in Lincoln  County,
which,  although not  as dependent  on the forest  products industry  as Coos or
Curry Counties, is nonetheless subject to  changes in its primary industries  of
tourism and fishing. Accordingly, no assurances can be made that future economic
changes  will not  have a  significant adverse  impact on  Lincoln Security. See
"Business -- Economic Conditions and Demographics."
 
CREDIT RISK
 
    The Company, like  other lenders, is  subject to credit  risk, which is  the
risk  of losing  principal and  interest due  to a  customer's failure  to repay
according to the terms of loan agreements. Security Bank's net charge-offs, past
due loans, and non-performing loans have been significantly less than  community
banks  of similar size over the past three years. As a new bank, Lincoln has had
no loan-loss experience. The Banks lend on a short-term basis to commercial  and
individual borrowers for construction purposes and provide variable rate pricing
on  term real estate loans. As of June 30, 1996, Security Bank had approximately
43% of its loan portfolio in real  estate related loans which included a mix  of
commercial,  residential and construction  real estate loans.  A downturn in the
economy or the real estate market along the central or southern Oregon coast  or
a  rapid increase in interest  rates could have a  negative impact on collateral
values and the  borrowers' ability  to repay. See  "Management's Discussion  and
Analysis  of Financial Condition and Results of Operations -- Lending and Credit
Management."
 
INTEREST RATE RISK
 
    The Banks' earnings are largely derived  from net interest income, which  is
interest  income and  fees earned on  loans and investment  income less interest
expense paid  on  deposits  and  other borrowings.  Interest  rates  are  highly
sensitive  to many factors which are beyond  the control of the Banks, including
general economic  conditions  and  the  policies  of  various  governmental  and
regulatory  authorities.  As  interest  rates  change,  net  interest  income is
affected. With fixed  rate assets  (such as  fixed rate  loans) and  liabilities
(such  as certificates of deposit), the rate at which this change occurs depends
on the maturity of the asset  or liability. The differences between the  amounts
of  interest-sensitive assets and  interest-sensitive liabilities, measured over
various time periods, are referred  to as sensitivity gaps. Although  management
strives  to  minimize  risk  through  asset/liability  management  policies  and
believes that the  maturities of the  Banks' assets are  reasonably balanced  in
relation  to maturities of  liabilities to limit sensitivity  gaps, from time to
time maturities  are not  balanced. During  such periods,  a rapid  decrease  or
increase  in  interest  rates  could  have  an  adverse  effect  on  the spreads
 
                                       7
<PAGE>
between the interest rates earned  on assets and the  rates of interest paid  on
liabilities,   and  therefore   on  the   Banks'  results   of  operations.  See
"Management's Discussion  and Analysis  of Financial  Condition and  Results  of
Operations -- Interest Sensitivity."
 
LINCOLN SECURITY BANK
 
    As  part of  the Company's  strategic plan  for growth  through geographical
diversification, the Company recently assisted with the organization of  Lincoln
Security  Bank, a  new commercial  bank in  Newport, Oregon,  which received its
charter  and  commenced  operations  on  May  30,  1996.  The  Company  invested
approximately $2.1 million of Lincoln's $3.0 million initial capital through the
purchase  of  all of  the  shares of  Lincoln's Class  B  Common Stock,  and has
committed to provide administrative and operational support to the new bank  for
which  services the  Company, for  the first  year of  Lincoln's operation, will
receive fees based on  the incremental cost to  Security Bank of providing  such
services.  After that time, the services and fees will be subject to negotiation
and are  expected  to  be  of  a  similar  nature  and  magnitude  as  currently
established. The Company owns a majority of Lincoln's voting stock and can elect
a  majority of its Board of Directors.  The initial Board of Directors, however,
comprises primarily local  Lincoln County representatives  and two directors  of
the  Company.  Although  the Company,  through  its ownership  of  a controlling
interest, retains the prerogative of replacing Lincoln's directors and otherwise
influencing management  decisions, the  Company expects  to permit  the bank  to
operate as an independent community bank provided that the bank's performance is
deemed satisfactory by the Company's board of directors, giving consideration to
the   operating  history  of  the  bank,  the  local  economic  and  demographic
conditions, and factors affecting the banking industry in general.
 
    Local investors, who purchased shares of Lincoln's Class A Common Stock in a
community offering to raise the balance of the initial capital of the bank, have
an option to purchase the Class B  Common Stock from the Company, in  accordance
with  a shareholders agreement, during  a five year period  beginning on May 30,
2001, and ending May 30, 2006, at a price per share equal to the greater of  (a)
$10.00   (as  adjusted  for  any  stock   split,  cash  or  stock  dividend,  or
reclassification) increased by the  lesser of the annualized  rate of return  on
equity  for the Company  for each year  after the date  of Lincoln's charter, or
17.5%, such rate applied annually and compounded  as of January 1 of each  year,
or  (b) the appraised value  as determined in accordance  with the procedure set
forth in the shareholders  agreement. Accordingly, the  Company's return on  its
investment in Lincoln could be limited by the pre-determined price for the Class
B  Common Stock in accordance with the  terms of the shareholders agreement. See
"Business -- Lincoln Security Bank."
 
    As a commercial bank, Lincoln  faces not only the  same risks faced by  most
community  banks,  but  also  has  commenced  its  operations  with  no previous
business, depositors, loan  customers or other  business relationships. Even  if
Lincoln is successful in implementing its business plan, which success cannot be
assured, it is likely to incur losses during the first year of operation. In the
event  Lincoln  incurs  losses which  reduce  its capital  below  the regulatory
minimum levels, Lincoln's  shareholders may  be subject to  assessment on  their
shares.  Thus,  the Company  may  be required  to  invest additional  capital to
support the bank or risk the loss of its investment. In the event the  Company's
shares  of Lincoln stock were assessed,  the investment of additional capital in
Lincoln could adversely  impact the Company's  ability to pay  dividends to  its
shareholders  or  to entertain  other  opportunities to  expand  its operations.
Accordingly, the results of Lincoln's operations could have an adverse impact on
the Company's earnings,  dividend payments  or future growth.  Moreover, as  the
ability of Lincoln to pay dividends to its shareholders is limited by regulatory
restrictions,  the Company is unlikely to receive dividends from the bank in the
foreseeable future. See "Business -- Lincoln Security Bank" and "Supervision and
Regulation -- Dividends."
 
MORTGAGE LENDING OPERATION'S CONTRIBUTION TO INCOME
 
    Security Bank derives  income from  originating mortgage  loans and  selling
them  into the  secondary market.  The contribution  to Security  Bank's pre-tax
income from this activity represented 5.79% for the six month period ended  June
30,   1996,   and  6.51%   and   5.55%  for   the   years  ended   December  31,
 
                                       8
<PAGE>
1995, and 1994, respectively. The bank has benefitted from mortgage  refinancing
transactions  that  have been  motivated by  favorable interest  rates. Although
Security Bank  will continue  to originate  and sell  loans into  the  secondary
market,  there  is  no  assurance  that  the  current  favorable  interest  rate
environment will continue or that  mortgage lending operations will continue  to
contribute  as  favorably  to the  net  income  of the  Bank.  See "Management's
Discussion and  Analysis of  Financial Condition  and Results  of Operations  --
Non-Interest Income."
 
CONCENTRATION OF OWNERSHIP
 
    As of June 30, 1996, 35.43% of the Company's outstanding shares were held by
the  Company's Employee Stock Ownership Plan  ("ESOP"), although 53.38% of those
shares are pledged by the  ESOP to secure borrowings  from the Company, and  are
not  allocated to  employees and are  therefore excluded from  earnings and book
value per  share  calculations. Although  the  percentage of  total  outstanding
shares  held by the ESOP  will decrease to 31.45%  after this Offering, the ESOP
will  remain  the  Company's  largest  shareholder  by  a  significant   margin.
Accordingly, the election of directors and other matters considered and voted on
by  Company shareholders may be  significantly affected by the  vote of the ESOP
shares, and the ability  of other shareholders  to influence management  through
the  election of directors or by  shareholder resolution will likely be limited.
The ESOP is under the supervision of a three-member Board of Trustees  appointed
by the Board of Directors of the Company. Currently, one of these Trustees is an
employee  of Security  Bank. Under the  Employee Retirement  Income Security Act
("ERISA"), the  Trustees are  obligated to  act  in the  best interests  of  the
employee-beneficiaries of the ESOP, as investors in the Company. See "Management
- -- Other Benefit Plans."
 
    The  directors of the Company currently own an additional 222,042 shares, or
8.04% of the Company's outstanding shares (in addition to certain shares in  the
ESOP),  which  will  decrease  to  7.13% after  the  Offering.  An  investor not
represented on the Board of Directors  holds an additional 18.42% (16.35%  after
the Offering) of the outstanding shares. See "Principal Shareholders."
 
COMPETITION
 
    The  banking industry in  Oregon is highly competitive  with respect to both
loans and deposits, and is dominated by a small number of large banks with  many
offices  operating over a wide geographic area.  As of June 30, 1996, there were
four other commercial banks with twenty-three offices in Security Bank's primary
service area, all of which are banks with significantly greater assets and  with
operations  in other  parts of  Oregon. Additionally,  there are  several credit
unions, a savings association, finance  companies and mortgage companies in  the
Company's  service  area. A  similar competitive  environment exists  in Lincoln
County where Lincoln Security Bank  operates. Among the advantages possessed  by
the  Banks' commercial bank  competitors is the  ability to conduct wide-ranging
advertising campaigns and  to allocate  assets to geographic  regions of  higher
yields  and demand. By virtue of  their greater total capitalization, such banks
also have substantially higher lending limits than the Banks. Additionally, such
banks offer certain services, such as trust and international banking  services,
which   are  not  offered  directly  by  the  Banks,  but  are  offered  through
arrangements  with  correspondent   institutions.  In   1994,  the   Riegle-Neal
Interstate  Banking and Branching  Efficiency Act was  adopted by Congress which
permits banks to  cross state  boundaries. Some  of the  Banks' competitors  are
likely  to reduce costs by combining  what are now commonly-owned separate banks
in different states. Although Security Bank has been able to compete effectively
in its market area, there can be no  assurance that it will be able to  continue
to  do so, or that Lincoln Security will effectively compete in its market area.
See "Business -- Competition."
 
DEPENDENCE ON KEY PERSONNEL
 
    The Company's success is  dependent on the services  of Charles D.  Brummel,
President  and Chief  Executive Officer, and  Michael J.  Delvin, Executive Vice
President, of  the  Company  and  the  Bank. The  loss  of  services  of  either
executive,  or of certain other key officers, could adversely affect the Company
 
                                       9
<PAGE>
and the Bank. No assurance can be given that replacement officers of  comparable
abilities  could  be  found.  The  Company does  not  maintain  key  person life
insurance on these individuals. See "Management."
 
LIMITED MARKET FOR THE SHARES
 
    There is currently a limited market  for the Company's shares. Although  the
shares  will be offered on the over-the-counter market, and application has been
made to  list the  shares  on the  National  Association of  Securities  Dealers
Automated  Quotation ("NASDAQ") National Market System  ("NMS"), there can be no
assurance that an  active public market  will develop or  be maintained for  the
shares.  Black & Company, Inc., the Underwriter of the Offering, and Ryan Beck &
Co. have committed to  make a market  in the shares. The  Company will seek  and
encourage other market makers to make a market, but no assurance can be given as
to  whether an active market will develop.  The market price could be subject to
significant fluctuations  in  response  to  variations  in  quarterly  operating
results  of the  Company, general conditions  of the banking  industry and other
factors. If an active market  in the shares does not  develop, the price of  the
shares  may fluctuate substantially due to the  effect of supply and demand in a
limited market. Even if an active market for the shares does develop,  investors
in  this Offering cannot be assured of  being able to resell shares purchased in
the Offering at  or above  the initial offering  price. See  "Market for  Common
Stock."
 
DEPENDENCE UPON SUBSIDIARY OPERATIONS
 
    The  Company is a  bank holding company and  is substantially dependent upon
dividends from its subsidiaries,  the Banks, for revenues  to pay its  expenses,
including  debt repayment, and  to pay dividends to  shareholders. The Banks are
subject to regulatory limitations upon the payment of dividends and the  receipt
of  dividends from the Banks  cannot be assumed. Further,  no cash dividends are
anticipated from Lincoln Security during that bank's initial years of operation.
Accordingly, the  Company  is  dependent  on Security  Bank  for  its  revenues.
Although  the Company  expects to  continue to  receive dividends  from Security
Bank, no assurances as to the timing or amount of future dividends can be  made.
See "Dividends" and "Supervision and Regulation -- Dividends."
 
OFFERING PRICE
 
    The price of the shares offered hereby was derived from negotiations between
the  Company and the Underwriter. There can be no assurance that the market will
sustain the offering price or that the offering price necessarily indicates  the
actual  value of the Common  Stock. Although past trading  has been limited, the
closing bid prices over the past three years have, except in the fourth  quarter
of  1995, been below the offering price  of the Common Stock. See "Underwriting"
and "Market for Common Stock."
 
REGULATORY RISK
 
    Banks are subject to extensive regulation. These regulations are intended to
protect depositors not  shareholders. As  state-chartered banks,  the Banks  are
subject   to  regulation  and  supervision  by  the  Federal  Deposit  Insurance
Corporation ("FDIC"), which insures the Banks' deposits, and the Director of the
Oregon Department of  Consumer and  Business Services, through  the Division  of
Finance  and Corporate  Securities (the  "Oregon Director").  As a  bank holding
company, the Company is  subject to regulation and  supervision by the Board  of
Governors  of  the Federal  Reserve System  ("Federal  Reserve") and  the Oregon
Director. Federal and state regulation puts banks at a competitive  disadvantage
compared to less regulated competitors such as finance companies, credit unions,
mortgage banking companies, and leasing companies.
 
    While  the banking industry continues to lose market share to less regulated
competitors, legislative reactions to the  problems of the thrift industry  have
added  to  the  regulatory  burden  on  banks.  The  Federal  Deposit  Insurance
Corporation Improvement Act of 1991 ("FDICIA") amended numerous federal  banking
statutes  and has required the bank regulatory agencies to adopt regulations for
implementing many of its provisions.  The FDICIA and the regulations  thereunder
have   increased   regulatory   and  supervisory   requirements   for  financial
institutions which  has resulted,  and  will continue  to result,  in  increased
operating expenses. See "Supervision and Regulation."
 
                                       10
<PAGE>
ANTI-TAKEOVER PROVISIONS
 
    Oregon   law  includes  limitations  upon   the  acquisition  of  an  Oregon
corporation, such as the Company. As a bank holding company, the acquisition  of
the  Company  or  its  subsidiaries  would be  subject  to  approval  of banking
regulators. These limitations and requirements may serve to delay or prevent  an
acquisition  of the Company by another financial institution without the consent
and cooperation of  the Board  of Directors  of the  Company. Moreover,  certain
provisions  of Oregon law  limit the ability  of persons or  entities to acquire
control of the Company or to  effect certain corporate transactions without  the
consent  of the  board of  directors or  the shareholders.  These provisions are
intended  to  discourage  hostile  corporate  acquisitions.  In  addition,   the
Company's  articles of incorporation  authorize the board  of directors to issue
additional shares  of authorized  but unissued  shares of  the Company's  stock,
including  the Common  Stock, voting preferred  stock, and  warrants, options or
other rights to  acquire shares of  stock. While this  authority is intended  to
give  the  board  the  ability  to raise  capital,  and  provide  flexibility in
financing corporate transactions, the issuance  of additional securities of  the
Company  could  have  the  effect  of  diluting  the  ownership  interest  of  a
substantial shareholder  or increasing  the consideration  necessary to  acquire
control  of  the  Company, and  could  thus  be deemed  to  be  an anti-takeover
provision. Further,  the  Company's bylaws  provide  for a  staggered  board  of
directors  whereby approximately one-third of  the director positions are filled
each year. This provision makes it more difficult for a dissident shareholder to
remove the entire board of directors at one time. Such a provision may have  the
effect   of  discouraging  potential   acquirors,  and  may   be  considered  an
anti-takeover defense. Oregon law  and the Company's  bylaws may therefore  have
the  effect  of  making  the  Company  less  attractive  for  takeover,  and the
shareholders may not benefit from a rise in the price of the Common Stock that a
takeover  could  cause.  See  "Description  of  Common  Stock  --  Anti-takeover
Provisions."
 
                                USE OF PROCEEDS
 
    The net proceeds to the Company from the sale of the Common Stock offered by
the  Company  are estimated  to be  $2,326,000  after deduction  of underwriting
discounts and expenses payable by the Company.
 
    The net proceeds of  the Offering are not  currently allocated for  specific
purposes.  Management  expects  to use  the  net proceeds  generally  to enhance
capital levels to support  the growth of the  Company and for general  corporate
purposes.  The Company's investment in  Lincoln Security committed a significant
portion of the Company's available  capital. Consequently, the Company  believes
it  prudent to restore capital levels to prior levels to position the Company to
take advantage  of future  opportunities  for growth  or expansion  should  such
opportunities  arise. The Company will from  time to time consider investment or
acquisition candidates and establishment of branches outside its current  market
area.  The  Company  currently  has  no  specific  plans,  agreements  or  other
arrangements with others for any investment or acquisition at this time.
 
    The Company may use certain  of the net proceeds to  pay some or all of  the
Company's  indebtedness to  Bank of  America Oregon,  with a  current balance of
$644,000, incurred in  connection with  the Company's  Employee Stock  Ownership
Plan.  The loan  accrues interest  at Bank of  America Oregon's  prime rate less
one-half percent, and  matures on December  15, 1999. See  "Management --  Other
Benefit  Plans." Pending  their ultimate application,  the net  proceeds will be
invested in short-term investments.
 
    The  Company  and   the  Bank  currently   exceed  all  regulatory   capital
requirements  and  are therefore  not required  to  raise additional  capital to
comply with  such  requirements. After  the  Offering, the  Company  expects  to
continue to exceed all regulatory requirements.
 
                                       11
<PAGE>
                            MARKET FOR COMMON STOCK
 
    Only  a  limited market  for  the Common  Stock  has existed  prior  to this
Offering. The  Common Stock  has been  traded over-the-counter  through the  OTC
Bulletin  Board and the Pink Sheet Service of the National Quotation Bureau. The
Company has applied  for inclusion of  the Common Stock  on the NASDAQ  National
Market  System under the  symbol "SBHC" effective  on the date  of the Offering.
Effective with the Offering, the Company's Common Stock will be registered under
the Securities Exchange Act of 1934 and is expected to be eligible to be held in
margin accounts. The following lists the bid  prices at the end of each  period,
obtained from Black & Company, Inc., the principal market maker in the Company's
Common  Stock,  as adjusted  for  prior stock  dividends  including a  50% stock
dividend paid on January 5, 1996.  Prices do not include retail mark-ups,  mark-
downs or commissions and may not represent actual transactions:
 
<TABLE>
<CAPTION>
                                                                              CLOSING BID PRICE
                                                                              AT END OF PERIOD
                                                                              -----------------
<S>                                                                           <C>
1994
  First Quarter.............................................................      $    4.83
  Second Quarter............................................................      $    5.33
  Third Quarter.............................................................      $    5.67
  Fourth Quarter............................................................      $    5.50
1995
  First Quarter.............................................................      $    5.33
  Second Quarter............................................................      $    6.00
  Third Quarter.............................................................      $    6.83
  Fourth Quarter............................................................      $    7.67
1996
  First Quarter.............................................................      $    7.88
  Second Quarter............................................................      $    8.50
</TABLE>
 
    On  June 30, 1996, the Common Stock  was held of record by approximately 455
shareholders, a number which does not include beneficial owners who hold  shares
in  "street name." As of September 12, 1996, the closing bid price of the Common
Stock was $8.00 per share.
 
                                       12
<PAGE>
                                 CAPITALIZATION
 
    The following table sets forth:  (i) the consolidated capitalization of  the
Company  at  June 30,  1996,  and (ii)  the  consolidated capitalization  of the
Company on an  as-adjusted basis  giving effect to  the issuance  of the  Common
Stock  offered hereby and receipt  of net proceeds therefrom,  as if the sale of
the Common Stock had been consummated on June 30, 1996.
 
<TABLE>
<CAPTION>
                                                                                        JUNE 30, 1996
                                                                                ------------------------------
                                                                                    ACTUAL       AS ADJUSTED
                                                                                --------------  --------------
<S>                                                                             <C>             <C>
SHAREHOLDERS' EQUITY:
Nonvoting preferred stock, $5.00 par value
  Authorized 5,000,000 shares, none issued....................................  $     --        $     --
Voting preferred stock, $5.00 par value
  Authorized 5,000,000 shares, none issued....................................        --              --
Common Stock, $5.00 par value
  Authorized 10,000,000 shares;
   2,762,325 shares issued and outstanding....................................      13,811,625
  3,112,325 shares issued and outstanding, as adjusted........................                      15,561,625
Surplus.......................................................................         164,862         740,862
Retained earnings.............................................................       2,289,352       2,289,352
Unrealized gains on investment securities available for sale..................        (523,276)       (523,276)
Less unearned ESOP shares at cost (1).........................................       1,853,314       1,853,314
                                                                                --------------  --------------
Total Shareholders' Equity -- Controlling Interest............................  $   13,889,249  $   16,215,249
                                                                                --------------  --------------
                                                                                --------------  --------------
CAPITAL RATIOS (2):
  Tier 1 capital ratio........................................................          13.34%          15.48%
    (Regulatory Minimum: 4.00%)
  Total risk-based capital ratio..............................................          14.31%          16.45%
    (Regulatory Minimum: 8.00%)
  Leverage capital ratio (3)..................................................           8.39%           9.60%
    (Regulatory Minimum: 3.00%)
</TABLE>
 
- ------------------------
(1) Reflects 522,471 shares held of record by the Security Bank Holding  Company
    Employee  Stock  Ownership  Plan Trust.  Such  shares are  not  allocated to
    employees and  are  pledged  to  secure repayment  of  indebtedness  to  the
    Company.  At the time the shares are allocated and released from the pledge,
    an amount equal to the then market value of the shares is charged to  income
    and  shareholders' equity increases  by an equal  amount. See "Management --
    Benefit Plans."
 
(2) Computed in accordance with Federal Reserve guidelines. See "Supervision and
    Regulation."
 
(3) The leverage ratio is Tier 1 capital divided by adjusted total assets.
 
                                       13
<PAGE>
                                    DILUTION
 
    The net tangible book value of the Company at June 30, 1996 was  $13,889,249
or  $6.20  per share  of  Common Stock.  Net tangible  book  value per  share is
determined by dividing  the net  tangible book  value of  the Company  (tangible
assets  less liabilities)  by the number  of outstanding shares  of Common Stock
(excluding 522,471 shares held  of record by the  Security Bank Holding  Company
Employee Stock Ownership Plan Trust which are not allocated to employees and are
pledged to secure repayment of indebtedness to the Company). After giving effect
to  the issuance and sale of 350,000 shares of Common Stock being offered by the
Company  (at  an  Offering  price  of  $8.00  per  share)  and  after  deducting
Underwriting discounts and offering costs, the net tangible book value per share
at June 30, 1996 would have been $6.26. This represents an immediate increase in
net  tangible book value of $0.06 per  share to the existing shareholders and an
immediate dilution of $1.74 per share to new investors.
 
    The following table illustrates this per share dilution in net tangible book
value:
 
<TABLE>
<S>                                                          <C>        <C>
Assumed Offering price.....................................             $    8.00
Net tangible book value before offering....................  $    6.20
Increase attributable to sale of Common Stock by the
 Company to new investors..................................        .06
                                                             ---------
Proforma net tangible book value after the Offering (1)....                  6.26
                                                                        ---------
Dilution to new investors (2)..............................             $    1.74
                                                                        ---------
                                                                        ---------
</TABLE>
 
- ------------------------
 
(1) After deduction of  underwriting discounts and  commissions and  anticipated
    offering expenses to be paid by the Company.
 
(2) Dilution  is determined  by subtracting  net tangible  book value  per share
    after the Offering  from the amount  of cash paid  by a new  investor for  a
    share of Common Stock.
 
                                   DIVIDENDS
 
    The  Company has paid  cash dividends for  each of the  past six full fiscal
years. Dividends for those periods were as follows:
 
<TABLE>
<CAPTION>
               CASH DIVIDEND PER SHARE
   PERIOD                (1)
- ------------  --------------------------
<S>           <C>
    1991             $   0.067
    1992             $   0.087
    1993             $   0.100
    1994             $   0.133
    1995             $   0.147
    1996             $   0.200(2)
</TABLE>
 
- ------------------------
 
(1) Adjusted to reflect subsequent stock dividends.
 
(2) In addition to cash dividends, the  Company issued a 100% stock dividend  in
    August, 1994 and a 50% stock dividend in January, 1996.
 
    The  Company  has  no  significant  operations  and  is  dependent  upon its
subsidiaries, the Banks, for revenues through the receipt of dividends from  the
Banks  to  pay its  expenses  and to  provide  cash dividends  to  the Company's
shareholders. Currently, and for  the foreseeable future,  Security Bank is  the
Company's  sole  source  of  dividends.  Oregon  and  federal  banking  laws and
regulations place restrictions  on the  payment of dividends  by a  bank to  its
shareholders.  See  "Supervision  and  Regulation --  Dividends."  The  Board of
Directors' dividend policy  is to  review the  Company's financial  performance,
capital  adequacy, regulatory compliance and cash resources, and, if such review
is  favorable,  to  declare  and  pay  a  cash  dividend  to  its   shareholders
semi-annually.  Although the Company expects to  continue to pay cash dividends,
future dividends are subject to these  limitations and to the discretion of  the
Board  of  Directors, and  could be  reduced or  eliminated. The  performance of
Lincoln Security Bank is not expected to have a material effect on the Company's
ability to pay dividends.
 
                                       14
<PAGE>
                       SELECTED QUARTERLY FINANCIAL DATA
 
    The  following  tables  set  forth  the  Company's  unaudited   consolidated
financial  data regarding operations for the first two quarters of 1996 and each
quarter of  1995 and  1994.  This information,  in  the opinion  of  management,
includes  all  normal  recurring  adjustments  necessary  to  state  fairly  the
information set forth therein:
<TABLE>
<CAPTION>
                                                                          1996 QUARTER ENDED (UNAUDITED)
                                                                --------------------------------------------------
                                                                                            JUNE 30      MAR. 31
                                                                                          -----------  -----------
                                                                           (AMOUNTS IN THOUSANDS EXCEPT
                                                                                PER SHARE AMOUNTS)
<S>                                                             <C>          <C>          <C>          <C>
Interest income...............................................                            $     3,315  $     3,165
Interest expense..............................................                                  1,359        1,266
                                                                                          -----------  -----------
Net interest income...........................................                                  1,956        1,899
Provision for loan losses.....................................                                     45           45
                                                                                          -----------  -----------
Net interest income after provision for loan losses...........                                  1,911        1,854
Non-interest income...........................................                                    719          680
Non-interest expenses.........................................                                  2,042        2,017
                                                                                          -----------  -----------
Income before provision for income taxes......................                                    588          517
Provision for income taxes....................................                                    140          140
                                                                                          -----------  -----------
Net income....................................................                            $       448  $       377
                                                                                          -----------  -----------
                                                                                          -----------  -----------
Weighted average number of shares outstanding (1).............                              2,269,517    2,266,834
Net income per share (1)......................................                            $      0.19  $      0.17
 
<CAPTION>
 
                                                                          1995 QUARTER ENDED (UNAUDITED)
                                                                --------------------------------------------------
                                                                  DEC. 31     SEPT. 30      JUNE 30      MAR. 31
                                                                -----------  -----------  -----------  -----------
<S>                                                             <C>          <C>          <C>          <C>
Interest income...............................................  $     3,049  $     3,000  $     3,024  $     2,884
Interest expense..............................................        1,167        1,106        1,101        1,047
                                                                -----------  -----------  -----------  -----------
Net interest income...........................................        1,882        1,894        1,923        1,837
Provision for loan losses.....................................           20           45           50           45
                                                                -----------  -----------  -----------  -----------
Net income after provision for loan losses....................        1,862        1,849        1,873        1,792
Non-interest income...........................................          664          540          569          471
Non-interest expenses.........................................        1,783        1,717        1,878        1,745
                                                                -----------  -----------  -----------  -----------
Income before provision for income taxes......................          743          672          564          518
Provision for income taxes....................................           75          235          147          176
                                                                -----------  -----------  -----------  -----------
Net income....................................................  $       668  $       437  $       417  $       342
                                                                -----------  -----------  -----------  -----------
                                                                -----------  -----------  -----------  -----------
Weighted average number of shares outstanding (1).............    2,239,670    2,181,050    2,180,990    2,180,980
Net income per share..........................................  $      0.29  $      0.19  $      0.19  $      0.16
<CAPTION>
 
                                                                          1994 QUARTER ENDED (UNAUDITED)
                                                                --------------------------------------------------
                                                                  DEC. 31     SEPT. 30      JUNE 30      MAR. 31
                                                                -----------  -----------  -----------  -----------
<S>                                                             <C>          <C>          <C>          <C>
Interest income...............................................  $     2,656  $     2,654  $     2,524  $     2,369
Interest expense..............................................          920          803          737          674
                                                                -----------  -----------  -----------  -----------
Net interest income...........................................        1,736        1,851        1,787        1,695
Provision for loan losses.....................................           20           60           60           60
                                                                -----------  -----------  -----------  -----------
Net interest income after provision for loan losses...........        1,716        1,791        1,727        1,635
Non-interest income...........................................          327          515          543          575
Non-interest expenses.........................................        1,322        1,678        1,699        1,693
                                                                -----------  -----------  -----------  -----------
Income before provision for income taxes......................          721          628          571          517
Provision for income taxes....................................          190          198          198          176
                                                                -----------  -----------  -----------  -----------
Net income....................................................  $       531  $       430  $       373  $       341
                                                                -----------  -----------  -----------  -----------
                                                                -----------  -----------  -----------  -----------
Weighted average number of shares outstanding (1).............    2,180,763    2,123,519    2,123,495    2,123,456
Net income per share (1)......................................  $      0.23  $      0.20  $      0.18  $      0.16
</TABLE>
 
- ------------------------------
(1)  Per share data has been adjusted for a 50% stock dividend paid in  January,
     1996,  and  a 100%  stock dividend  paid in  August, 1994.  Excludes shares
     issued to the Security Bank  Holding Company Employee Stock Ownership  Plan
     which  are  not  yet  allocated  to employees  and  are  pledged  to secure
     repayment of notes to the Company. See "Management -- Other Benefit Plans."
 
                                       15
<PAGE>
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
 
FOR THE SIX MONTHS ENDED JUNE 30, 1996 AND 1995, AND
 THE YEARS ENDED DECEMBER 31, 1995 AND 1994.
 
    The  following summary financial data and the discussion and analysis should
be read  in  conjunction with  the  Company's unaudited  consolidated  financial
statements  and the notes thereto for the  six month periods ended June 30, 1996
and 1995,  and  its audited  consolidated  financial statements  and  the  notes
thereto  for the years  ended December 31,  1995 and 1994  included elsewhere in
this Prospectus. The results of operations for the Company in future periods may
be affected by  many factors,  including the  results of  operations of  Lincoln
Security,  which is not expected to  contribute significantly to the earnings of
the Company during the next twelve months, and economic and demographic  changes
in  the Company's market areas. See "Business  -- Lincoln Security Bank" and "--
Economic  Conditions  and  Demographics."  All  references  the  "Bank"  in  the
following discussion are references to Security Bank.
 
RESULTS OF OPERATIONS
 
    The  operating  results of  the Bank  depend primarily  on its  net interest
income. The  Bank's net  interest  income is  determined  by its  interest  rate
spread,  the relative  amounts of  interest-earning assets  and interest-bearing
liabilities,  and  the  degree  of  mismatch  in  the  maturity  and   repricing
characteristics of its interest-earning assets and interest-bearing liabilities.
Interest  rate  spread  is  the  difference between  the  yields  earned  on its
interest-earning assets and the rates paid on its interest-bearing  liabilities.
The  Bank's net income is  also affected by the  establishment of provisions for
loan losses and  the level  of its other  income, including  service charges  on
deposit  accounts and sold real estate loan  fees, as well as its other expenses
and income tax provisions.
 
                           SUMMARY INCOME STATEMENTS
                             (DOLLARS IN THOUSANDS)
<TABLE>
<CAPTION>
                                                                                              INCREASE (DECREASE)
                                                                                 ---------------------------------------------
                                                                                                                     AS A
                                                                                           IN DOLLARS             PERCENTAGE
                                                                                 ------------------------------  -------------
                                 SIX MONTHS   SIX MONTHS     YEAR       YEAR       SIX MONTHS      YEAR ENDED     SIX MONTHS
                                    ENDED        ENDED       ENDED      ENDED      ENDED 6/30         12/31       ENDED 6/30
                                   6/30/96      6/30/95    12/31/95   12/31/94    1996 TO 1995    1995 TO 1994   1996 TO 1995
                                 -----------  -----------  ---------  ---------  ---------------  -------------  -------------
<S>                              <C>          <C>          <C>        <C>        <C>              <C>            <C>
Interest income................   $   6,480    $   5,908   $  11,957  $  10,203     $     572       $   1,754          9.68%
Interest expense...............       2,625        2,148       4,421      3,134           477           1,287         22.21%
                                 -----------  -----------  ---------  ---------         -----     -------------  -------------
  Net interest income before
   provision for loan losses...       3,855        3,760       7,536      7,069            95             467          2.53%
Provision for loan losses......          90           95         160        200            (5)            (40)        (5.26)%
                                 -----------  -----------  ---------  ---------         -----     -------------  -------------
  Net interest income after
   provision for loan losses...       3,765        3,665       7,376      6,869           100             507          2.73%
Non-interest income............       1,399        1,040       2,244      1,961           359             283         34.52%
Non-interest expense...........       4,059        3,623       7,123      6,393           436             730         12.03%
                                 -----------  -----------  ---------  ---------         -----     -------------  -------------
  Income before provision for
   income taxes................       1,105        1,082       2,497      2,437            23              60          2.13%
Provision for income taxes.....         280          323         633        762           (43)           (129)       (13.31)%
                                 -----------  -----------  ---------  ---------         -----     -------------  -------------
  Net income...................   $     825    $     759   $   1,864  $   1,675     $      66       $     189          8.70%
                                 -----------  -----------  ---------  ---------         -----     -------------  -------------
                                 -----------  -----------  ---------  ---------         -----     -------------  -------------
 
<CAPTION>
 
                                  YEAR ENDED
                                     12/31
                                 1995 TO 1994
                                 -------------
<S>                              <C>
Interest income................       17.19%
Interest expense...............       41.07%
                                 -------------
  Net interest income before
   provision for loan losses...        6.61%
Provision for loan losses......      (20.00)%
                                 -------------
  Net interest income after
   provision for loan losses...        7.38%
Non-interest income............       14.43%
Non-interest expense...........       11.42%
                                 -------------
  Income before provision for
   income taxes................        2.46%
Provision for income taxes.....      (16.93)%
                                 -------------
  Net income...................       11.28%
                                 -------------
                                 -------------
</TABLE>
 
FOR THE SIX MONTHS ENDED JUNE 30, 1996 AND 1995
 
    GENERAL.  As shown in the table above, net income increased to $825,000  for
the six months ended June 30, 1996 from $759,000 for the same period of 1995, an
8.70%  increase. The increase in both  interest expense and non-interest expense
were more than offset by increases  in interest income and non-interest  income.
The  increase in  net income  is mostly  attributable to  a lower  provision for
income taxes in the six month period  ended June 30, 1996, over the same  period
in 1995, as a result of overpayment of income taxes in 1995.
 
                                       16
<PAGE>
    NET  INTEREST INCOME.   Net  interest income  before the  provision for loan
losses increased $95,000 or 2.53%  for the six months  ended June 30, 1996  over
same  period in  1995. The increase  in interest  income was primarily  due to a
$17.9 million or 13.22% increase in average interest-earning assets for the  six
months  ended June 30, 1996 over the  same period in 1995. The largest component
of the  increase in  earning assets  was an  increase in  investment  securities
volume  of $12.1 million, which accounted for  $386,000 of the total increase in
interest income. The increase  in loans and other  earning asset volume of  $5.8
million  for the first  six months of 1996  compared to the  same period in 1995
resulted in an  increase in interest  income of $261,000.  The yield on  earning
assets decreased to 8.51% for the six months ended June 30, 1996, from 8.81% for
the  same  period in  1995.  This decrease  in  yield accounted  for  a $107,000
decrease in interest income. The remaining  $32,000 of the increase in  interest
income was due to one additional day in the six month period ended June 30, 1996
over  the  same period  in  1995. Interest-bearing  liabilities  increased $14.0
million or 12.06% for the six months  ended June 30, 1996, compared to the  same
period  in 1995. The volume  increase accounted for $345,000  of the increase in
interest expense. The  rate on interest-bearing  liabilities increased to  4.05%
for the six months ended June 30, 1996, compared to 3.72% for the same period in
1995.  This  increase in  rate  accounted for  a  $121,000 increase  in interest
expense. The remaining $12,000  of the increase in  interest expense was due  to
one  additional day in  the six month period  ended June 30,  1996 over the same
period in 1995.
 
    PROVISION FOR LOAN  LOSSES.  The  loan loss provision  during the six  month
period ended June 30, 1996, was $90,000 and $95,000 for the same period in 1995.
Net  charge-offs during the six-month periods were $94,000 and ($3,000) for 1996
and 1995, respectively.
 
    Management believes the loan loss  provision maintains the reserve for  loan
losses  at an appropriate level.  The reserve for loan  losses was $1,059,000 at
June 30, 1996, as compared to $1,115,000  at June 30, 1995. The Bank's ratio  of
reserve  for loan losses to total loans was  1.27% at June 30, 1996, compared to
1.42% at June 30, 1995.
 
    Non-performing assets (defined as  loans on non-accrual  status, 90 days  or
more  past due, and other real estate  owned) were $483,000 and $200,000 at June
30, 1996  and  1995, respectively.  The  increase in  non-performing  assets  is
attributable  to small number  of non-performing loans  secured by single family
residential real estate.  Management believes the  loans are adequately  secured
and  that no  significant losses will  be incurred. Management  does not believe
that the increase represents a deterioration  of the credit quality of the  loan
portfolio or an indication of future credit problems.
 
    NON-INTEREST  INCOME.  Non-interest income increased 34.52% in the first six
months of  1996  as  compared to  the  same  period in  1995.  The  increase  in
non-interest  income is due in  large part to fees  generated by the origination
and sale of mortgage loans. Mortgage loan originations were $28.4 million in the
first six months of  1996, up from  $11.3 million for the  same period in  1995.
Loans sold were $29.6 million and $11.1 million for the first six months of 1996
and  1995, respectively, generating  $484,000 and $242,000  of fee income during
each respective period,  an increase  of 100.00%. Security  Bank has  benefitted
from  mortgage refinancing  transactions that  have been  motivated by favorable
interest rates. Although the Bank will continue to originate and sell loans into
the secondary market,  there is no  assurance that the  favorable interest  rate
environment  will continue or that mortgage  lending operations will continue to
significantly contribute to the net income of the Bank.
 
    NON-INTEREST EXPENSE.   Non-interest expense increased  12.03% in the  first
six  months  of 1996  compared  to the  first six  months  of 1995.  The primary
non-interest expenses are salaries and employee benefits, and expenses  relating
to  occupancy  and equipment.  Salaries  and employee  benefits  were up  due to
increased staff levels  in the commercial  loan department and  the Eugene  loan
production office which opened in November, 1995.
 
                                       17
<PAGE>
FOR THE YEARS ENDED DECEMBER 31, 1995 AND 1994.
 
    GENERAL.   Net income increased to $1.9  million for the year ended December
31, 1995 from $1.7 million for the  same period in 1994, a 11.28% increase.  The
combined increases in interest income and non-interest income exceeded increases
in interest expense and non-interest expense.
 
    NET  INTEREST INCOME.   Net  interest income  before the  provision for loan
losses increased $0.5 million or 6.61% for the year ended December 31, 1995 over
the same period in 1994. The increase  resulted from a $1.8 million increase  in
interest  income  offset by  a $1.3  million increase  in interest  expense. The
increase in interest income is due  primarily to an increase in average  earning
assets of $13.4 million or 10.91% for the year ended December 31, 1995, over the
same period in 1994. Although loans and investments continued to increase during
the year of 1995, new deposits at prevailing interest rates limited the increase
in  the net interest income.  Interest expense increased due  to both volume and
rate for  the comparable  periods in  1995 over  1994. Average  interest-bearing
liabilities  increased $11.5 million  or 10.91% for the  year ended December 31,
1995, compared to the  same period in 1994.  The weighted average yields  earned
were  8.75%  and  8.28%  for  the  years  ended  December  31,  1995  and  1994,
respectively. Average yields earned increased 47  basis points or 5.68% for  the
year  ended December 31, 1995 compared to the same period in 1994. Average rates
paid were  3.79% and  2.98% for  the years  ended December  31, 1995  and  1994,
respectively.  This represents an increase of 81  basis points or 27.18% for the
year ended December 31, 1995, compared to 1994.
 
    PROVISION FOR LOAN  LOSSES.  The  loan loss provision  decreased during  the
year  ended December 31, 1995, to $160,000  as compared to $200,000 for the same
period in 1994. Net charge-offs during  the years were $114,000 and $92,000  for
1995  and 1994, respectively. The loan loss provision decreased between 1994 and
1995 as a result of an improvement in  the local economy and the quality of  the
loan portfolio.
 
    Management  believes the loan loss provision  maintains the reserve for loan
losses at an appropriate  level. The reserve for  loan losses was $1,063,000  at
December  31, 1995, as compared  to $1,017,000 at December  31, 1994. The Bank's
ratio of reserve for loan losses to total loans was 1.32% at December 31,  1995,
compared to 1.35% at December 31, 1994.
 
    Non-performing  assets (defined as loans 90 days or more past due, and other
real estate owned)  were $467,000  and $64,000 at  December 31,  1995 and  1994,
respectively.  The increase in non-performing assets  is attributable to a small
number of non-performing loans secured by single family residential real estate.
Management believes the  loans are  adequately secured and  that no  significant
losses  will  be  incurred.  Management  does  not  believe  that  the  increase
represents a deterioration  of the credit  quality of the  loan portfolio or  an
indication of future credit problems.
 
    NON-INTEREST  INCOME.   Non-interest  income increased  14.43% for  the year
ended December 31, 1995 as compared to  the same period in 1994. Gains on  sales
of  investment  securities available  for sale  of $13,000  in 1995  compared to
losses of $168,000  in 1994,  accounted for  more than  60% of  the increase  in
non-interest   income.  The  other  significant   portion  of  the  increase  in
non-interest income was  a result of  increased income from  service charges  on
deposit  accounts which were $910,000  in 1995, compared to  $847,000 in 1994, a
7.42% increase. Mortgage loan originations were $32.1 million in the year  ended
December 31, 1995, up from $20.1 million for the same period in 1994. Loans sold
were  $30.9 million and $22.5 million for  the years ended December 31, 1995 and
1994, respectively, generating $611,000 and  $628,000 of fee income during  each
respective  period, a  decrease of  2.7% from 1994  to 1995.  A strong refinance
market supported mortgage origination activity.
 
    NON-INTEREST EXPENSE.   Non-interest expense increased  11.42% for the  year
ended  December  31, 1995,  as compared  to  year ended  December 31,  1994. The
primary non-interest expenses are salaries  and employee benefits, and  expenses
relating to occupancy and equipment.
 
    PROVISION FOR INCOME TAXES.  The provision for income taxes decreased 16.93%
for  the year ended  December 31, 1995 as  compared to the  same period in 1994.
This was the result of an over-payment of taxes in 1994.
 
                                       18
<PAGE>
LOAN LOSSES AND RECOVERIES
 
    The provision for loan losses charged  to operating expense is based on  the
Bank's  loan loss experience  and such factors  which, in management's judgment,
deserve recognition in estimating possible loan losses. Management monitors  the
loan  portfolio to ensure that the reserve  for loan losses is adequate to cover
outstanding loans on non-accrual  status and any current  loans deemed to be  in
serious  doubt  of  repayment  according  to  each  loan's  repayment  plan. The
following table summarizes the  Bank's reserve for  loan losses, and  charge-off
and recovery activity:
 
<TABLE>
<CAPTION>
                                                                     SIX MONTHS       YEAR ENDED DECEMBER 31,
                                                                       ENDED       ------------------------------
                                                                   JUNE 30, 1996        1995            1994
                                                                   --------------  --------------  --------------
<S>                                                                <C>             <C>             <C>
Loans outstanding at end of period...............................  $   83,198,749  $   80,743,626  $   75,103,857
                                                                   --------------  --------------  --------------
                                                                   --------------  --------------  --------------
Average loans outstanding during period..........................  $   80,611,985  $   77,922,578  $   67,716,356
                                                                   --------------  --------------  --------------
                                                                   --------------  --------------  --------------
Reserve balance beginning of period..............................  $    1,062,993  $    1,016,770  $      909,131
Recoveries:
  Commercial.....................................................           2,900              --              --
  Real estate....................................................              --              --              --
  Installment....................................................          10,047          64,715          54,460
  Credit card....................................................           1,031           6,666           1,817
                                                                   --------------  --------------  --------------
                                                                           13,978          71,381          56,277
Loans Charged off:
  Commercial.....................................................         (11,457)             --              --
  Real estate....................................................              --              --              --
  Installment....................................................         (72,448)       (156,017)       (128,548)
  Credit card....................................................         (24,330)        (29,141)        (20,090)
                                                                   --------------  --------------  --------------
                                                                   $     (108,235) $     (185,158) $     (148,638)
                                                                   --------------  --------------  --------------
Net loans (charged off) recovered................................         (94,257)       (113,777)        (92,361)
Provision charged to operations..................................          90,000         160,000         200,000
                                                                   --------------  --------------  --------------
Reserve balance, end of period...................................  $    1,058,736  $    1,062,993  $    1,016,770
                                                                   --------------  --------------  --------------
                                                                   --------------  --------------  --------------
Ratio of net loans charged off to average loans outstanding......           (0.12)%          (0.15)%          (0.14)%
                                                                   --------------  --------------  --------------
                                                                   --------------  --------------  --------------
</TABLE>
 
LENDING AND CREDIT MANAGEMENT
 
    Although  a risk  of nonpayment  exists with  respect to  all loans, certain
specific types of risks are associated with different types of loans. Due to the
nature of the Bank's customer base and the growth experienced in Coos and  Curry
Counties,  real estate is frequently a  material component of collateral for the
Bank's loans. The expected source of  repayment of these loans is generally  the
operations  of  the  borrower's business  or  personal income,  but  real estate
provides an additional measure  of security. Risks  associated with real  estate
loans include fluctuating land values, local economic conditions, changes in tax
policies, and a concentration of loans within a limited geographic market area.
 
    The  Bank mitigates risk on construction loans by generally lending funds to
customers that have been pre-qualified for long term financing and who are using
contractors acceptable to the Bank. The  commercial real estate risk is  further
mitigated   by  making  the   majority  of  commercial   real  estate  loans  on
owner-occupied properties.
 
    The Bank  manages  the general  risks  inherent  in the  loan  portfolio  by
following loan policies and underwriting practices designed to result in prudent
lending  activities. For example, the Bank limits commercial loans to 70% of the
value of the collateral, and residential mortgages, which may be first or second
liens, to 80% of the value of the collateral.
 
                                       19
<PAGE>
    The following  table presents  information  with respect  to  non-performing
assets:
 
<TABLE>
<CAPTION>
                                                                                                DECEMBER 31,
                                                                               JUNE 30,    ----------------------
                                                                                 1996         1995        1994
                                                                              -----------  -----------  ---------
<S>                                                                           <C>          <C>          <C>
Loans on non-accrual status.................................................  $   483,000  $   432,000  $  --
Loans past due greater than 90 days but not on non-accrual status...........      --           --          21,000
Other real estate owned, net................................................      --            35,000     43,000
                                                                              -----------  -----------  ---------
Total non-performing assets.................................................  $   483,000  $   467,000  $  64,000
                                                                              -----------  -----------  ---------
                                                                              -----------  -----------  ---------
Percentage of non-performing assets to total assets.........................         0.28%        0.29%      0.04%
</TABLE>
 
    Interest  income which would  have been realized  on non-accrual or past-due
loans if they had remained current was insignificant.
 
ALLOCATION OF RESERVE FOR LOAN LOSSES
 
    The Bank does not normally allocate the reserve for loan losses to  specific
loan  categories with  the exception  of credit  cards. An  allocation by credit
quality is made below  for presentation purposes.  This allocation process  does
not  necessarily measure anticipated  future credit losses;  rather, it seeks to
measure the  Bank's assessment  at a  point  in time  of perceived  credit  loss
exposure and the impact of current and anticipated economic conditions.
 
<TABLE>
<CAPTION>
                                      JUNE 30,                                DECEMBER 31,
                             --------------------------  ------------------------------------------------------
                                            PERCENT OF                  PERCENT OF                  PERCENT OF
                                 1996       TOTAL LOANS      1995       TOTAL LOANS      1994       TOTAL LOANS
                             -------------  -----------  -------------  -----------  -------------  -----------
<S>                          <C>            <C>          <C>            <C>          <C>            <C>
Unclassified loans.........  $     590,037      94.62%   $     668,847      94.80%   $     852,536      96.20%
Letters of credit..........          1,833        .38%           2,542       0.53%        --            --
Credit cards...............         38,466       2.31%          38,511       2.39%          33,091       2.20%
Watchlist..................         82,000        .83%          85,900       0.81%          18,748       0.50%
Substandard................        289,300       1.77%         225,400       1.42%          50,996       0.45%
Doubtful...................         57,100        .09%          41,793       0.05%           6,399       0.01%
Specific-reserve...........       --            --            --            --              55,000       0.64%
                             -------------  -----------  -------------  -----------  -------------  -----------
                             $   1,058,736     100.00%   $   1,062,993     100.00%   $   1,016,770     100.00%
                             -------------  -----------  -------------  -----------  -------------  -----------
                             -------------  -----------  -------------  -----------  -------------  -----------
</TABLE>
 
                                       20
<PAGE>
ANALYSIS OF NET INTEREST INCOME
 
    The    following   table   presents    information   regarding   yields   on
interest-earning assets, expense or interest-bearing liabilities, and net yields
on interest-earning  assets  for the  periods  indicated (amounts  in  thousands
except percentages):
<TABLE>
<CAPTION>
ANALYSIS FOR THE SIX MONTHS ENDED                                                            INCREASE
JUNE 30, 1996 AND 1995                                               1996         1995      (DECREASE)     CHANGE
- ----------------------------------------------------------------  -----------  -----------  -----------  -----------
<S>                                                               <C>          <C>          <C>          <C>
Average interest-earning assets.................................  $   153,119  $   135,235   $  17,884       13.22%
Average interest-bearing liabilities............................  $   130,445  $   116,403      14,042       12.06%
Average yields earned (1).......................................         8.51%        8.81%      (0.30)%     (3.41)%
Average rates paid (1)..........................................         4.05%        3.72%      (0.33)%      8.87%
                                                                  -----------  -----------  -----------
Net interest spread (1).........................................         4.46%        5.09%      (0.63)%    (12.38)%
                                                                  -----------  -----------  -----------
                                                                  -----------  -----------  -----------
Net interest income to average interest-earning assets (1)......         5.06%        5.61%      (0.55)%     (9.80)%
                                                                  -----------  -----------  -----------
                                                                  -----------  -----------  -----------
 
<CAPTION>
 
ANALYSIS FOR THE YEARS ENDED                                                                 INCREASE
DECEMBER 31, 1995 AND 1994                                           1995         1994      (DECREASE)     CHANGE
- ----------------------------------------------------------------  -----------  -----------  -----------  -----------
<S>                                                               <C>          <C>          <C>          <C>
Average interest-earning assets.................................  $   136,688  $   123,246   $  13,442       10.91%
Average interest-bearing liabilities............................  $   116,803  $   105,318   $  11,485       10.91%
Average yields earned...........................................         8.75%        8.28%       0.47%       5.68%
Average rates paid..............................................         3.79%        2.98%       0.81%      27.18%
                                                                  -----------  -----------  -----------
Net interest spread.............................................         4.96%        5.30%      (0.34)%     (6.42)%
                                                                  -----------  -----------  -----------
                                                                  -----------  -----------  -----------
Net interest income to average interest-earning
 assets.........................................................        5.51%        5.74%       (0.23)%     (4.01)%
                                                                  -----------  -----------  -----------
                                                                  -----------  -----------  -----------
</TABLE>
 
- ------------------------
(1)  Annualized
 
                                       21
<PAGE>
ANALYSIS OF CHANGES IN INTEREST DIFFERENTIAL
 
    The  following table sets forth the dollar amount of the increase (decrease)
in the Company's consolidated  interest income and  expense and attributes  such
dollar  amounts to changes  in volume as  well as changes  in rates. Rate/volume
variances which were  immaterial have  been allocated equally  between rate  and
volume changes.
 
<TABLE>
<CAPTION>
                                                                    SIX MONTHS ENDED JUNE 30, 1996 OVER 1995
                                                                -------------------------------------------------
                                                                                       AMOUNT OF CHANGE
                                                                   TOTAL                ATTRIBUTED TO
                                                                 INCREASE    ------------------------------------
                                                                (DECREASE)     VOLUME         RATE        DAYS
                                                                -----------  -----------  ------------  ---------
<S>                                                             <C>          <C>          <C>           <C>
Interest income:
  Federal funds sold..........................................  $    60,517  $    66,754  $     (6,338) $     101
  Time deposits -- domestic financial institutions............      (22,375)     (24,587)        2,021        191
  Investment securities -- taxable............................      288,334      321,091       (39,368)     6,611
  Investment securities -- exempt from federal income
   taxes (1)..................................................       35,162       65,058       (32,513)     2,617
  Loans, net and mortgage loans held for sale.................      130,100      177,266       (69,341)    22,175
  Net investment in direct financing leases...................       69,824       45,069        24,206        549
  Federal Home Loan Bank stock................................       11,103       (3,200)       13,996        307
                                                                -----------  -----------  ------------  ---------
    Total interest income.....................................  $   572,665  $   647,451  $   (107,337) $  32,551
                                                                -----------  -----------  ------------  ---------
                                                                -----------  -----------  ------------  ---------
Interest expense:
  Interest on deposits:
    Interest-bearing demand...................................  $    12,469  $     8,711  $      3,569  $     189
    NOW accounts..............................................      (16,699)      (4,434)      (12,970)       705
    Money market accounts.....................................       79,097       41,590        36,364      1,143
    Savings accounts..........................................       (7,353)     (10,861)        2,406      1,102
    Time deposits.............................................      364,969      222,061       136,770      6,138
  Securities sold under agreement to repurchase...............       (1,372)       2,592        (4,413)       449
  ESOP debt...................................................       (6,532)      (4,181)       (2,536)       185
  Short term borrowings.......................................            6          (60)            5         61
  Federal Home Loan Bank borrowings...........................       52,950       89,611       (38,523)     1,862
                                                                -----------  -----------  ------------  ---------
    Total interest expense....................................  $   477,535  $   345,029  $    120,672  $  11,834
                                                                -----------  -----------  ------------  ---------
Net interest income...........................................  $    95,130  $   302,422  $   (228,009) $  20,717
                                                                -----------  -----------  ------------  ---------
                                                                -----------  -----------  ------------  ---------
</TABLE>
 
- ------------------------
(1) Interest income from investment securities exempt from federal income tax is
    not reported on a tax equivalent basis.
 
                                       22
<PAGE>
 
<TABLE>
<CAPTION>
                                                                          YEAR ENDED DECEMBER 31, 1995 OVER 1994
                                                                        ------------------------------------------
                                                                                            AMOUNT OF CHANGE
                                                                            TOTAL             ATTRIBUTED TO
                                                                          INCREASE     ---------------------------
                                                                         (DECREASE)       VOLUME          RATE
                                                                        -------------  -------------  ------------
<S>                                                                     <C>            <C>            <C>
Interest income:
  Federal funds sold..................................................  $      28,846  $      (5,275) $     34,121
  Time deposits -- domestic financial institutions....................        (16,590)       (26,241)        9,651
  Investment securities -- taxable....................................         78,937         22,184        56,753
  Investment securities -- exempt from federal income taxes(1)........        120,561        136,777       (16,216)
  Loans, net and mortgage loans held for sale.........................      1,408,733      1,021,244       387,489
  Net investment in direct financing leases...........................        112,603         90,912        21,691
  Federal Home Loan Bank stock........................................         20,628         23,315        (2,687)
                                                                        -------------  -------------  ------------
    Total interest income.............................................  $   1,753,718  $   1,262,916  $    490,802
                                                                        -------------  -------------  ------------
                                                                        -------------  -------------  ------------
Interest expense:
  Interest on deposits:
    Interest-bearing demand...........................................  $      11,310  $      (5,606) $     16,916
    NOW accounts......................................................          3,828            603         3,225
    Money market......................................................        105,217         13,090        92,127
    Savings...........................................................        (12,237)       (26,602)       14,365
    Time deposits.....................................................        840,409        369,246       471,163
  Securities sold under agreement to repurchase.......................         47,402          6,181        41,221
  ESOP debt...........................................................         22,435         (3,981)       26,416
  Short-term borrowings...............................................          7,185            427         6,758
  Federal Home Loan Bank borrowings...................................        261,193        144,977       116,216
                                                                        -------------  -------------  ------------
    Total interest expense............................................  $   1,286,742  $     498,335  $    788,407
                                                                        -------------  -------------  ------------
                                                                        -------------  -------------  ------------
Net interest income...................................................  $     466,976  $     764,581  $   (297,605)
                                                                        -------------  -------------  ------------
                                                                        -------------  -------------  ------------
</TABLE>
 
- ------------------------
(1) Interest income from investment securities exempt from federal income tax is
    not reported on a tax equivalent basis.
 
                                       23
<PAGE>
                             SUMMARY BALANCE SHEETS
                             (DOLLARS IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                                                        INCREASE (DECREASE)
                                                                      --------------------------------------------------------
                                                                              IN DOLLARS                AS A PERCENTAGE
                                                                      --------------------------  ----------------------------
                                      6/30/96   12/31/95   12/31/94   1995 TO 1996  1995 TO 1994  1995 TO 1996   1995 TO 1994
                                     ---------  ---------  ---------  ------------  ------------  -------------  -------------
<S>                                  <C>        <C>        <C>        <C>           <C>           <C>            <C>
ASSETS
  Federal funds sold...............  $     741  $   3,084  $   1,058   $   (2,343)   $    2,026       (75.97)%       191.49%
  Investments securities, net......     70,028     58,228     53,860       11,800         4,368        20.27%          8.11%
  Loans and leases, net............     85,622     83,069     75,973        2,553         7,096         3.07%          9.34%
  Other earning assets.............      2,124      2,044      3,213           80        (1,169)        3.91%         36.38%
                                     ---------  ---------  ---------  ------------  ------------      ------     -------------
    Total earning assets...........    158,515    146,425    134,104       12,090        12,321         8.26%          9.19%
  Other assets.....................     11,553     12,163     11,467         (610)          696        (5.02)%         6.07%
                                     ---------  ---------  ---------  ------------  ------------      ------     -------------
    Total assets...................  $ 170,068  $ 158,588  $ 145,571   $   11,480    $   13,017         7.24%          8.94%
                                     ---------  ---------  ---------  ------------  ------------      ------     -------------
                                     ---------  ---------  ---------  ------------  ------------      ------     -------------
LIABILITIES AND SHAREHOLDERS'
 EQUITY
  Non-interest bearing deposits....  $  19,506  $  19,492  $  18,469   $       14    $    1,023         0.07%          5.54%
  Interest bearing deposits........    114,295    107,798    102,649        6,497         5,149         6.03%          5.02%
  Federal Home Loan Bank
   borrowings......................     13,720     11,500      8,786        2,220         2,714        19.30%         30.89%
  Other liabilities................      7,695      5,426      5,038        2,269           388        41.82%          7.70%
                                     ---------  ---------  ---------  ------------  ------------      ------     -------------
    Total liabilities..............    155,216    144,216    134,942       11,000         9,274         7.63%          6.87%
  Minority interest in
   subsidiary......................        963     --         --              963        --              N/A            N/A
  Equity...........................     13,889     14,372     10,629         (483)        3,743        (3.36)%        35.21%
                                     ---------  ---------  ---------  ------------  ------------      ------     -------------
    Total liabilities and
     shareholders' equity..........  $ 170,068  $ 158,588  $ 145,571   $   11,480    $   13,017         7.24%          8.94%
                                     ---------  ---------  ---------  ------------  ------------      ------     -------------
                                     ---------  ---------  ---------  ------------  ------------      ------     -------------
</TABLE>
 
FINANCIAL CONDITION
 
    As  shown in the table above, total assets have continued to grow in 1996 as
compared to  the  prior periods.  Assets  have grown  7.24%  at June  30,  1996,
compared  to December 31, 1995, and 8.94% from December 31, 1994 to December 31,
1995. The growth in 1996 is the result of increased deposits which were invested
in investment securities.  The growth in  both 1996 and  1995 was primarily  the
result  of  loan demand,  as  the southern  Oregon  coast's growth  and economic
factors continue  to  be favorable.  The  ratio of  gross  loans and  leases  to
deposits  decreased to 64.89% at  June 30, 1996, compared  to 66.22% at December
31, 1995, and 63.70% at December 31, 1994.
 
    The growth in interest-earning  assets has been  predominantly in loans  and
investment  securities. Net loans  increased $7.1 million  at December 31, 1995,
over the same period in 1994, and increased $2.6 million from December 31, 1995,
to June 30, 1996. The lower, more  stable interest rate environment of the  last
two years and a stronger, more stable local economy have been major contributors
to  the increased  activity for  the year  ended December  31, 1995.  The modest
decline in net loans at June 30,  1996, from December 31, 1995, is  attributable
to  a rise in  interest rates which slowed  loan activity. Investment securities
increased $4.4 million as of December 31,  1995, as compared to the same  period
in  1994  and an  additional  $11.8 million  as  of June  30,  1996, due  to the
continued growth in deposit funds available for investment. Federal funds  sold,
reflecting  short  term (over-night)  investments,  increased at  the comparable
period-end time  frames.  The  level  of federal  funds  sold  fluctuates  daily
relative  to  loan demand,  deposit  fluctuations and  investment  activity, and
provides a source of liquidity for the Bank.
 
    Deposit growth continued for the years ended December 31, 1995 and 1994, and
for the six months ended June 30, 1996. Total deposits increased $6.5 million at
June 30, 1996, compared to December 31,  1995, and $6.2 million at December  31,
1995,  compared  to December  31, 1994.  The growth  in 1996  and 1995  has been
predominantly  in  interest-bearing  deposits.  The  ratio  of  interest-bearing
deposits  to total deposits decreased slightly  from 84.8% at December 31, 1994,
to 84.7% at December 31, 1995, and was 85.4% at June 30, 1996.
 
    The Bank  is  a member  of  the Federal  Home  Loan Bank  of  Seattle.  This
membership  allows  the Bank  access to  low  cost, long-term  funding otherwise
unavailable. The Bank has utilized this funding,
 
                                       24
<PAGE>
and in 1995 borrowed $2.7 million to support loan and investment growth. In  the
six  months  ended June  30,  1996, the  Bank  has borrowed  an  additional $2.2
million, leaving the balance at $13.7 million as of June 30, 1996.
 
LIQUIDITY
 
    Liquidity enables the Bank to meet the withdrawals of its depositors and the
borrowing needs of its loan customers. The Bank maintains its liquidity position
through maintenance of cash resources and a stable core deposit base. A  further
source  of liquidity is the  Bank's ability to borrow  funds. The Bank maintains
three unsecured lines of credit totaling $10.0 million for the purchase of funds
on an overnight basis. The Bank is also  a member of the Federal Home Loan  Bank
which  provides a  secured line of  credit in  the amount of  $25.2 million, and
other funding opportunities  for liquidity and  asset/ liability matching.  Over
the  past three years  these lines have  been used periodically.  As of June 30,
1996, $0.7 million were borrowed under the Bank's unsecured lines of credit  and
$13.7  million were  borrowed from  the Federal  Home Loan  Bank. Interest rates
charged on the lines are determined by market factors.
 
    The Bank's liquidity has been stable and adequate over the past three years.
Short-term deposits have continued to grow and excess investible cash is  loaned
on  a short term basis (federal funds  sold). The Bank's primary source of funds
is consumer deposits  and commercial accounts.  These funds are  not subject  to
significant  movements as a result of changing interest rates and other economic
factors, and therefore enhance the Bank's long term liquidity.
 
CAPITAL RESOURCES
 
    Beginning in 1990, federal regulators required the calculation of Risk-based
Capital. This is an  analysis that weights balance  sheet and off-balance  sheet
items  for their  inherent risk.  It requires  minimum standards  for Risk-based
Capital by Capital Tier.  Full implementation of this  analysis was required  in
1992,  requiring a minimum total Risk-based Capital ratio of 8.00% and a minimum
Tier 1 Capital Ratio of 4.00%. At June 30, 1996, Security Bank had a  Risk-based
Capital Ratio of 14.31% and Tier 1 Capital Ratio of 13.34%. This was compared to
13.36% and 12.36% for total Risk-Based Capital and Tier 1 Capital, respectively,
at  December 31, 1995,  and 12.10% and  11.11% for total  Risk-Based Capital and
Tier 1  Capital, respectively,  at December  31, 1994.  If the  Bank were  fully
leveraged,  further growth would  be restricted to  the level attainable through
generation and retention of net income  unless the Bank were to seek  additional
capital from outside sources.
 
INTEREST SENSITIVITY
 
    Interest sensitivity relates to the effect of changing interest rates on net
interest  income. Interest-earning assets  which have interest  rates tied to an
index, such as prime rate, or which  mature in relatively short periods of  time
are   considered  interest-rate  sensitive.  Interest-bearing  liabilities  with
interest rates that can be re-priced in a discretionary manner, or which  mature
in  short  periods of  time, are  also  considered interest-rate  sensitive. The
differences   between   the   amounts    of   interest-sensitive   assets    and
interest-sensitive  liabilities, measured at various  time periods, are referred
to as  sensitivity  gaps.  As rates  change,  these  gaps will  cause  either  a
beneficial or adverse effect on net interest income. A negative gap represents a
beneficial  effect on net interest  income if rates were  to fall and an adverse
effect if rates were to rise. Conversely, a positive gap would have a beneficial
effect on net interest income in a rising rate environment and a negative effect
if rates fell.
 
    At June  30, 1996,  rate  sensitive liabilities  maturing or  available  for
repricing within a one-year period of time approximated rate sensitive assets.
 
    Due to the uncertainty of changing interest rates, the Bank's strategy is to
manage  a majority of its  interest-earning assets and interest-bearing deposits
to mature or reprice within one year and  strive for as close to a balanced  gap
as  is feasible. Management considers a fluctuation between a 10.0% positive gap
and a 10.0% negative gap  within one year to be  a controlled gap position.  The
Bank's liability sensitivity within one year has been favorable because interest
rates  have generally  declined in recent  periods. In the  event interest rates
rise, the Bank's  strategy is  to increase its  asset sensitivity  predominantly
through variable asset pricing.
 
                                       25
<PAGE>
                        ESTIMATED MATURITY OR REPRICING
                                 JUNE 30, 1996
 
<TABLE>
<CAPTION>
                                                                     THREE
                                                                   MONTHS TO
                                                    LESS THAN        LESS         ONE TO        OVER
                                                   THREE MONTHS  THAN ONE YEAR  FIVE YEARS   FIVE YEARS       TOTAL
                                                   ------------  -------------  -----------  -----------  -------------
<S>                                                <C>           <C>            <C>          <C>          <C>
INTEREST EARNING ASSETS:
  Securities and investments (1).................  $  8,219,358   $16,239,982   $29,662,413  $18,878,903  $  73,000,656
  Federal funds sold.............................       740,774             0             0            0        740,774
  Loans..........................................    30,605,331    16,100,140    29,104,829    7,239,580     83,049,880
  Leases.........................................       173,427       519,089     2,364,298      574,088      3,630,902
                                                   ------------  -------------  -----------  -----------  -------------
    Total interest earning assets................  $ 39,738,890   $32,859,211   $61,131,540  $26,692,533    160,422,212
                                                   ------------  -------------  -----------  -----------
                                                   ------------  -------------  -----------  -----------
  Unrealized gains on securities available for
   sale..........................................                                                              (848,538)
  Reserve for loan losses........................                                                            (1,058,736)
  Cash and due from banks........................                                                             4,454,948
  Other assets...................................                                                             7,098,365
                                                                                                          -------------
    Total assets.................................                                                         $ 170,068,251
                                                                                                          -------------
                                                                                                          -------------
INTEREST BEARING LIABILITIES
  Interest bearing demand accounts...............     2,741,564             0             0            0      2,741,564
  Savings/time deposits (2)......................    44,770,991    21,736,686    23,061,307   21,984,309    111,553,293
  Borrowed funds.................................     9,386,560    10,720,500             0            0     20,107,060
                                                   ------------  -------------  -----------  -----------  -------------
    Total interest bearing liabilities...........  $ 56,899,115   $32,457,186   $23,061,307  $21,984,109    134,401,717
                                                   ------------  -------------  -----------  -----------
                                                   ------------  -------------  -----------  -----------
  Non-interest bearing demand accounts...........                                                            19,506,213
  Other liabilities..............................                                                             1,308,170
  Minority interest in subsidiary................                                                               962,702
  Shareholders' equity...........................                                                            13,889,249
                                                                                                          -------------
    Total liabilities & shareholders' equity.....                                                         $ 170,068,251
                                                                                                          -------------
                                                                                                          -------------
  Interest sensitivity gap.......................  $(17,160,225)  $   402,025   $38,070,233  $ 4,708,424  $  26,020,457
  Cumulative interest sensitivity gap............  $(17,160,225)  $(16,758,200) $21,312,033  $26,020,457
  Cumulative interest sensitivity gap as a
   percentage of total assets....................        (10.09)%        (9.85)%      12.53%      15.30%
</TABLE>
 
- ------------------------------
(1)  The  portion  of this  section  relating to  mortgage-backed  securities is
     presented based upon  estimated cash flows,  maturities and/or  repricings,
     and includes Collateralized Mortgage Obligations.
 
(2)  The  portion  of this  section  relating to  savings  and NOW  accounts are
     presented as repricings within the  earliest period presented and  adjusted
     for  decay rates as provided  by the Federal Home  Loan Bank of Seattle and
     are based  upon  industry experience  of  institutions located  within  the
     FHLB's 12th district.
 
INFLATION
 
    The  primary impact  of inflation on  the Company's  operations is increased
asset yields,  deposit  costs and  operating  overhead. Unlike  most  industrial
companies,   virtually  all  of  the  assets  and  liabilities  of  a  financial
institution are monetary in nature. As a result, interest rates generally have a
more significant  impact  on  a financial  institution's  performance  than  the
effects  of  general  levels  of  inflation.  Although  interest  rates  do  not
necessarily move in the same  direction or to the same  extent as the prices  of
goods  and services, increases in inflation generally have resulted in increased
interest rates. The effects of inflation  can magnify the growth of assets,  and
if significant, would require that equity capital increase at a faster rate than
would otherwise be necessary.
 
                                       26
<PAGE>
INVESTMENT PORTFOLIO
 
    The  following  table shows  the amortized  costs, estimated  market values,
unrealized gains and unrealized losses of the Company's portfolio of investments
as of June 30, 1996, and December 31, 1995 and 1994:
<TABLE>
<CAPTION>
JUNE 30, 1996:                                                         ESTIMATED      UNREALIZED     UNREALIZED
AVAILABLE FOR SALE                                   AMORTIZED COST   MARKET VALUE       GAINS         LOSSES
- ---------------------------------------------------  --------------  --------------  -------------  -------------
<S>                                                  <C>             <C>             <C>            <C>
U.S. Government & federal agencies.................  $   15,043,238  $   14,665,358  $      11,260  $     389,140
Mortgage-backed securities.........................      30,298,756      29,758,717         19,335        559,374
United States Treasury.............................       1,993,956       2,015,620         21,664       --
Corporate obligations..............................       5,253,424       5,212,562         14,337         55,199
Obligations of state and political subdivisions....      17,303,072      17,626,351        452,962        129,683
U.S. federal securities mutual bond funds..........         984,550         749,850       --              234,700
                                                     --------------  --------------  -------------  -------------
    Total available for sale.......................  $   70,876,996  $   70,028,458  $     519,558  $   1,368,096
                                                     --------------  --------------  -------------  -------------
                                                     --------------  --------------  -------------  -------------
 
<CAPTION>
 
1995 AVAILABLE FOR SALE
- ---------------------------------------------------
<S>                                                  <C>             <C>             <C>            <C>
U.S. Government and federal agencies...............  $    4,050,026  $    4,124,050  $      74,024  $    --
Mortgage-backed securities.........................      19,832,982      20,120,370        305,801         18,413
United States Treasury.............................       6,008,416       6,110,595        111,216          9,037
Corporate obligations..............................       9,605,693       9,566,990         63,764        102,467
Obligations of state and political subdivisions....      16,461,146      17,368,220        914,907          7,833
U.S. federal securities mutual bond funds..........         984,550         937,350       --               47,200
                                                     --------------  --------------  -------------  -------------
    Total available for sale.......................  $   56,942,813  $   58,227,575  $   1,469,712  $     184,950
                                                     --------------  --------------  -------------  -------------
                                                     --------------  --------------  -------------  -------------
<CAPTION>
 
1994 AVAILABLE FOR SALE
- ---------------------------------------------------
<S>                                                  <C>             <C>             <C>            <C>
U.S. Government and federal agencies...............  $      499,701  $      499,215  $    --        $         486
Mortgage-backed securities.........................       1,698,229       1,578,227          3,231        123,233
United States Treasury.............................       6,051,604       5,850,290         10,404        211,718
Corporate obligations..............................      15,861,574      15,292,099         21,768        591,243
U.S. federal securities mutual bond funds..........       1,740,818       1,365,637       --              375,181
                                                     --------------  --------------  -------------  -------------
    Total available for sale.......................  $   25,851,926  $   24,585,468  $      35,403  $   1,301,861
                                                     --------------  --------------  -------------  -------------
                                                     --------------  --------------  -------------  -------------
<CAPTION>
 
1994 HELD TO MATURITY
- ---------------------------------------------------
<S>                                                  <C>             <C>             <C>            <C>
U.S. Government and federal agencies...............  $    1,063,647  $    1,021,250  $    --        $      42,397
Mortgage-backed securities.........................      10,005,308       9,407,067       --              598,241
United States Treasury.............................       1,990,889       1,921,560       --               69,329
Corporate obligations..............................         514,605         501,585       --               13,020
Obligations of state and political subdivisions....      15,700,243      15,819,038        348,475        229,680
                                                     --------------  --------------  -------------  -------------
    Total held to maturity.........................  $   29,274,692  $   28,670,500  $     348,475  $     952,667
                                                     --------------  --------------  -------------  -------------
                                                     --------------  --------------  -------------  -------------
</TABLE>
 
                                       27
<PAGE>
    The following  is  a summary  of  the contractual  maturities  and  weighted
average yields of investment securities classified as available for sale at June
30, 1996:
 
                               AVAILABLE FOR SALE
 
<TABLE>
<CAPTION>
                                                                                                        WEIGHTED
                                                                                         ESTIMATED       AVERAGE
                                                                       AMORTIZED COST   MARKET VALUE    YIELD (1)
                                                                       --------------  --------------  -----------
<S>                                                                    <C>             <C>             <C>
U.S. GOVERNMENT AND FEDERAL AGENCIES
  One year or less...................................................  $      485,436  $      485,436     5.6196%
  After one year through five years..................................      11,057,802      10,739,937     6.8278%
  After five years through ten years.................................       3,500,000       3,439,985       6.94%
                                                                       --------------  --------------
    Total............................................................  $   15,043,238  $   14,665,358       6.45%
                                                                       --------------  --------------
                                                                       --------------  --------------
MORTGAGE-BACKED SECURITIES
  After one year through five years..................................  $    1,410,156  $    1,404,117       6.14%
  After five years through ten years.................................       5,393,015       5,327,185       6.67%
  After ten years....................................................      23,495,585      23,027,415       6.59%
                                                                       --------------  --------------
    Total                                                              $   30,298,756  $   29,758,717       6.59%
                                                                       --------------  --------------
                                                                       --------------  --------------
UNITED STATES TREASURY
  One year or less...................................................  $     --        $     --            --
  After one year through five years..................................       1,993,956       2,015,620       6.93%
                                                                       --------------  --------------
    Total............................................................  $    1,993,956  $    2,015,620       6.93%
                                                                       --------------  --------------
                                                                       --------------  --------------
CORPORATE OBLIGATIONS
  One year or less...................................................  $    1,658,571  $    1,651,494       6.64%
  After one year through five years..................................       3,594,853       3,561,068       6.38%
                                                                       --------------  --------------
    Total............................................................  $    5,253,424  $    5,212,562       6.47%
                                                                       --------------  --------------
                                                                       --------------  --------------
OBLIGATIONS OF STATE AND POLITICAL SUBDIVISIONS
  One year or less...................................................  $      622,720  $      627,893       5.43%
  After one year through five years..................................       4,518,018       4,641,751       5.82%
  After five years through ten years.................................       6,326,561       6,531,971       6.09%
  After ten years....................................................       5,835,773       5,824,736       5.64%
                                                                       --------------  --------------
    Total............................................................  $   17,303,072  $   17,626,351       5.84%
                                                                       --------------  --------------
                                                                       --------------  --------------
U.S. FEDERAL SECURITIES MUTUAL BOND FUNDS
  One year or less...................................................  $      984,550  $      749,850       5.40%
                                                                       --------------  --------------
    Total............................................................  $      984,550  $      749,850       5.40%
                                                                       --------------  --------------
                                                                       --------------  --------------
  Total securities available for sale................................  $   70,876,996  $   70,028,458       6.36%
                                                                       --------------  --------------
                                                                       --------------  --------------
</TABLE>
 
- ------------------------
(1) Yields  on tax-exempt  securities have not  been stated  on a tax-equivalent
    basis.
 
    As of June 30, 1996,  the Company had no  securities classified as "held  to
maturity".
 
LOAN PORTFOLIO
 
    Interest  earned on the loan  portfolio is the primary  source of income for
the Bank.  Net loans  represented  48% of  total assets  as  of June  30,  1996.
Although  the Bank strives  to serve the  credit needs of  its service area, its
primary  focus  is  on  real  estate  and  commercial  loans.  The  Bank   makes
substantially  all of its  loans to customers located  within the Bank's service
areas. The Bank  has no loans  defined as highly  leveraged transactions by  the
Federal Reserve Bank. The Bank has no significant agricultural loans. Commercial
real estate loans include owner-occupied commercial
 
                                       28
<PAGE>
properties occupied by the proprietor of the business conducted on the premises,
and income-producing or farm properties. The primary risks of such loans include
loss of income of the owner or occupier of the property and the inability of the
market  to sustain  rent levels.  The Bank's  underwriting standards  attempt to
mitigate these  risks by  requiring  a minimum  of  three consecutive  years  of
sufficient income generation from the owner or occupier or rental incomes of 1.2
times  the  combined debt  service, insurance  and taxes.  In addition,  the 70%
loan-to-value ratio  limitation is  expected  to provide  sufficient  protection
against  unforeseen  circumstances.  Other  commercial  loans  include renewable
operating lines  of credit,  short-term notes,  and equipment  financing.  These
types  of loans  are principally  at risk  due to  insufficient business income.
Accordingly, the Bank  does not lend  to start-up businesses  or others  lacking
operating  history, and  requires personal  guarantees and  secondary sources of
repayment. Residential real estate loans include 1-4 family owner- or  non-owner
occupied residences, multi-family units, construction and secondary market loans
pending  sale. Generally, the risk associated with such loans is the loss of the
borrower's income. The Bank attempts to mitigate the risk by thorough review  of
the borrower's credit and employment history, and limits the loan-to-value ratio
to  80% to  provide protection  in the  event of  foreclosure. Installment loans
consist of  personal, automobile  or home  equity loans.  The Bank  also  offers
credit  cards to its customers. These unsecured loans carry significantly higher
interest rates than  secured loans,  and the Bank,  therefore, maintains  strict
credit  guidelines  when  considering  loan  applications.  The  following table
presents the composition of the Bank's loan portfolio, at the dates indicated:
 
<TABLE>
<CAPTION>
                                                                                            DECEMBER 31,
                                                                                   ------------------------------
                                                                   JUNE 30, 1996        1995            1994
                                                                   --------------  --------------  --------------
<S>                                                                <C>             <C>             <C>
Commercial -- real estate........................................  $   15,331,267  $   16,627,336  $   15,980,024
Commercial -- lines of credit....................................      24,159,920      23,164,048      20,610,333
Residential -- real estate.......................................      20,338,719      19,231,938      19,964,705
Installment......................................................      20,309,155      18,662,005      15,669,788
Credit cards & other.............................................       3,059,688       3,058,299       2,879,007
                                                                   --------------  --------------  --------------
    Total loans..................................................      83,198,749      80,743,626      75,103,857
Deferred loan fees, net..........................................        (148,869)       (153,203)       (165,084)
Reserve for loan losses..........................................      (1,058,736)     (1,062,993)     (1,016,770)
                                                                   --------------  --------------  --------------
    Net loans....................................................  $   81,991,144  $   79,527,430  $   73,922,003
                                                                   --------------  --------------  --------------
                                                                   --------------  --------------  --------------
</TABLE>
 
    At June 30, 1996, the maturities of all loans by category were as follows:
 
<TABLE>
<CAPTION>
                                                    WITHIN ONE     ONE TO FIVE      AFTER FIVE
                                                       YEAR           YEARS           YEARS           TOTAL
                                                  --------------  --------------  --------------  --------------
<S>                                               <C>             <C>             <C>             <C>
Commercial -- real estate.......................  $    7,603,120  $    5,109,493  $    2,618,654  $   15,331,267
Commercial -- lines of credit...................      18,943,112       3,720,507       1,496,301      24,159,920
Residential -- real estate......................       9,537,814       1,917,715       8,883,190      20,338,719
Installment.....................................       1,652,805      10,821,868       7,834,482      20,309,155
Credit cards & other............................       2,975,859          83,829        --             3,059,688
                                                  --------------  --------------  --------------  --------------
                                                  $   40,712,710  $   21,653,412  $   20,832,627  $   83,198,749
                                                  --------------  --------------  --------------  --------------
                                                  --------------  --------------  --------------  --------------
</TABLE>
 
    Of loans with maturities  of one year or  more, $31,393,348 were  fixed-rate
loans, and $11,092,691 were variable rate loans.
 
                                       29
<PAGE>
DEPOSIT LIABILITIES
 
    The  following table sets forth the average deposit liabilities of and rates
paid by the Bank for the periods indicated:
 
<TABLE>
<CAPTION>
                                                                                  YEARS ENDED DECEMBER 31,
                                                                  --------------------------------------------------------
                                      SIX MONTHS ENDED JUNE 30,
                                                1996                         1995                         1994
                                     ---------------------------  ---------------------------  ---------------------------
                                        AMOUNT       RATE PAID       AMOUNT       RATE PAID       AMOUNT       RATE PAID
                                     -------------  ------------  -------------  ------------  -------------  ------------
<S>                                  <C>            <C>           <C>            <C>           <C>            <C>
Deposits Liabilities
  Demand...........................  $  18,327,838         n/a    $  18,180,478         n/a    $  17,295,202         n/a
  Interest-bearing demand..........      2,270,451        4.14%       1,711,356        4.01%       1,896,760        3.02%
  NOW accounts.....................     21,415,977        1.04%      22,634,967        1.18%      22,583,425        1.17%
  Money market accounts............     16,612,349        3.47%      14,712,696        3.23%      14,209,254        2.60%
  Savings accounts.................     15,561,738        2.49%      16,345,241        2.52%      17,441,123        2.43%
  Time deposits....................     56,391,647        5.27%      47,691,652        5.01%      38,504,909        4.02%
                                     -------------       -----    -------------       -----    -------------       -----
    Total deposits.................  $ 130,580,000        3.26%   $ 121,276,390        2.98%   $ 111,930,673        2.38%
                                     -------------                -------------                -------------
                                     -------------                -------------                -------------
</TABLE>
 
    As of June 30, 1996, the  Bank's time deposit liabilities had the  following
times remaining to maturity:
 
<TABLE>
<CAPTION>
                                                               TIME DEPOSITS OF                 ALL OTHER
                                                             $100,000 OR MORE (1)           TIME DEPOSITS (2)
                                                          ---------------------------  ---------------------------
<S>                                                       <C>             <C>          <C>             <C>
Remaining Time to Maturity
3 months or less........................................  $   14,713,122      73.33%   $   11,666,199      30.54%
6 months................................................       2,383,025      11.88%        7,627,396      19.97%
12 months...............................................       1,840,726       9.17%        7,682,018      20.11%
Over 1 year.............................................       1,128,315       5.62%       11,222,114      29.38%
                                                          --------------  -----------  --------------  -----------
    Total...............................................  $   20,065,188     100.00%   $   38,197,727     100.00%
                                                          --------------               --------------
                                                          --------------               --------------
</TABLE>
 
- ------------------------
(1) Time  deposits of $100,000 or more represent  15.00% of total deposits as of
    June 30, 1996.
 
(2) All other time deposits  represent 28.55% of total  deposits as of June  30,
    1996.
 
AVERAGE BALANCES AND AVERAGE RATES EARNED AND PAID
 
    The  tables  on  the following  pages  present, for  the  periods indicated,
information regarding average balances  of assets and  liabilities of the  Bank,
the total dollar amounts of interest income from average interest-earning assets
and  interest  expense  on interest-bearing  liabilities,  the  average interest
yields earned  or rates  paid, net  interest income,  net interest  spread  (the
difference  between the average yield earned  on interest-earning assets and the
average rate  paid  on  interest-bearing  liabilities), and  the  ratio  of  net
interest income to average earning assets. The table does not reflect any effect
of income taxes. All average balances are based on month-end balances.
 
                                       30
<PAGE>
The  following table  presents the Company's  average balance sheets  as well as
certain yield earned and rates paid for  the six months ended June 30, 1996  and
1995:
<TABLE>
<CAPTION>
                                                                                            SIX MONTHS ENDED JUNE 30,
                                                      SIX MONTHS ENDED JUNE 30, 1996                  1995
                                                 -----------------------------------------  -------------------------
                                                    AVERAGE                 AVERAGE YIELD      AVERAGE
                                                    BALANCE      INTEREST    OR RATES (1)      BALANCE      INTEREST
                                                 -------------  ----------  --------------  -------------  ----------
<S>                                              <C>            <C>         <C>             <C>            <C>
ASSETS
  Federal funds sold...........................  $   2,911,036  $   78,859         5.45%    $     628,457  $   18,432
  Time deposits -- domestic financial
   institutions................................        433,750      12,327         5.72%        1,464,558      34,702
  Investment securities -- taxable.............     46,209,564   1,488,136         6.48%       36,396,789   1,199,802
  Investment securities -- exempt from federal
   income taxes................................     18,849,944     510,099         5.44%       16,544,788     474,937
  Loans, net and mortgage loans held for sale
   at cost (2)(3)..............................     79,531,299   4,154,819        10.51%       75,986,743   4,024,719
  Net investment in direct financing leases....      3,428,140     169,385         9.94%        2,357,488      99,561
  Federal Home Loan Bank stock, at cost........      1,754,840      66,786         7.65%        1,856,152      55,683
                                                 -------------  ----------                  -------------  ----------
    Total interest-earning assets/interest
     income .                                    $ 153,118,573  $6,480,411         8.51%    $ 135,234,975  $5,907,746
  Cash and due from banks......................      4,607,789                                  3,977,361
  Premises and equipment, net..................      3,234,772                                  3,341,749
  Other assets.................................      3,439,050                                  3,397,763
                                                 -------------                              -------------
    Total assets...............................  $ 164,400,184                              $ 145,951,848
                                                 -------------                              -------------
                                                 -------------                              -------------
LIABILITIES AND SHAREHOLDERS' EQUITY
  Interest-bearing demand......................  $   2,270,451  $   46,759         4.14%        1,807,593      34,290
  NOW accounts.................................     21,415,978     111,189         1.04%       22,120,426     127,888
  Money market accounts........................     16,612,349     286,515         3.47%       13,812,740     207,418
  Savings accounts.............................     15,561,738     192,650         2.49%       16,405,444     200,003
  Time deposits................................     56,391,647   1,478,901         5.27%       46,933,516   1,113,932
  Securities sold under agreements
   repurchase..................................      3,664,997      80,134         4.40%        3,542,993      81,506
  ESOP debt....................................        644,000      27,057         8.45%          733,000      33,589
  Short-term borrowings........................        426,643      11,007         5.19%          427,771      11,001
  Federal Home Loan Bank borrowings............     13,456,895     390,823         5.84%       10,619,303     337,873
                                                 -------------  ----------                  -------------  ----------
    Total interest-bearing liabilities/interest
     expense...................................  $ 130,444,698  $2,625,035         4.05%    $ 116,402,786  $2,147,500
  Demand deposits..............................     18,327,838                                 17,302,359
  Other liabilities............................      1,239,230                                    830,965
                                                 -------------                              -------------
    Total liabilities..........................    150,011,766                                134,536,110
  Minority Interest in subsidiary..............        168,637
  Shareholders' equity.........................     14,219,781                                 11,415,738
                                                 -------------                              -------------
    Total liabilities, minority interest and
     shareholders' equity......................  $ 164,400,184                              $ 145,951,848
                                                 -------------                              -------------
                                                 -------------                              -------------
  Net interest income..........................                 $3,855,376                                 $3,760,246
                                                                ----------                                 ----------
                                                                ----------                                 ----------
  Net interest spread..........................                                    4.46%
                                                                                  -----
                                                                                  -----
  Net interest income to earning assets........                                    5.06%
                                                                                  -----
                                                                                  -----
 
<CAPTION>
 
                                                 AVERAGE YIELD
                                                  OR RATES (1)
                                                 --------------
<S>                                              <C>
ASSETS
  Federal funds sold...........................         5.89%
  Time deposits -- domestic financial
   institutions................................         4.78%
  Investment securities -- taxable.............         6.65%
  Investment securities -- exempt from federal
   income taxes................................         5.79%
  Loans, net and mortgage loans held for sale
   at cost (2)(3)..............................        10.68%
  Net investment in direct financing leases....         8.52%
  Federal Home Loan Bank stock, at cost........         6.05%
 
    Total interest-earning assets/interest
     income .                                           8.81%
  Cash and due from banks......................
  Premises and equipment, net..................
  Other assets.................................
 
    Total assets...............................
 
LIABILITIES AND SHAREHOLDERS' EQUITY
  Interest-bearing demand......................         3.83%
  NOW accounts.................................         1.17%
  Money market accounts........................         3.03%
  Savings accounts.............................         2.46%
  Time deposits................................         4.79%
  Securities sold under agreements
   repurchase..................................         4.64%
  ESOP debt....................................         9.24%
  Short-term borrowings........................         5.19%
  Federal Home Loan Bank borrowings............         6.42%
 
    Total interest-bearing liabilities/interest
     expense...................................         3.72%
  Demand deposits..............................
  Other liabilities............................
 
    Total liabilities..........................
  Minority Interest in subsidiary..............
  Shareholders' equity.........................
 
    Total liabilities, minority interest and
     shareholders' equity......................
 
  Net interest income..........................
 
  Net interest spread..........................         5.09%
                                                       -----
                                                       -----
  Net interest income to earning assets........         5.61%
                                                       -----
                                                       -----
</TABLE>
 
- ------------------------
(1)  Annualized.
 
(2)  Average  non-accrual loans included in the computation of average loans for
     the six months  ended June 30,  1996 and 1995  were $478,000 and  $111,000,
     respectively.
 
(3)  Loan  related fees  recognized during  the period  ended June  30, 1996 and
     1995, included in the  yield calculation, totalled approximately  $233,182,
     and $216,020, respectively.
 
                                       31
<PAGE>
    The following table presents the Company's average balance sheets as well as
certain  yield earned and rates  paid for the years  ended December 31, 1995 and
1994:
 
<TABLE>
<CAPTION>
                                                      YEAR ENDED DECEMBER 31, 1995               YEAR ENDED DECEMBER 31, 1994
                                                -----------------------------------------  -----------------------------------------
                                                   AVERAGE                  AVERAGE YIELD     AVERAGE                  AVERAGE YIELD
                                                   BALANCE      INTEREST      OR RATES        BALANCE      INTEREST      OR RATES
                                                -------------  -----------  -------------  -------------  -----------  -------------
<S>                                             <C>            <C>          <C>            <C>            <C>          <C>
ASSETS
  Federal funds sold..........................  $   1,720,511  $   108,857        6.33%    $   1,841,942  $    80,011        4.34%
  Time deposits -- domestic financial
   institutions...............................      1,234,541       60,785        4.92%        1,868,082       77,375        4.14%
  Investment securities -- taxable............     36,397,912    2,340,964        6.43%       36,044,412    2,262,027        6.28%
  Investment securities -- exempt from federal
   income taxes...............................     16,207,389      971,872        6.00%       13,963,862      851,311        6.10%
  Loans, net and mortgage loans held for sale,
   at cost (1)(2).............................     76,834,887    8,127,412       10.58%       66,696,906    6,718,679       10.07%
  Net investment in direct financing leases...      2,763,330      247,626        8.96%        1,651,419      135,023        8.18%
  Federal Home Loan Bank stock, at cost.......      1,529,722       99,156        6.48%        1,179,524       78,528        6.66%
                                                -------------  -----------       -----     -------------  -----------
    Total interest-earning assets/interest
     income...................................    136,688,292  $11,956,672        8.75%      123,246,147  $10,202,954        8.28%
  Cash and due from banks.....................      4,648,940                                  4,768,695
  Premises and equipment, net.................      3,311,064                                  2,989,022
  Other assets................................      3,411,986                                  3,306,784
                                                -------------                              -------------
    Total assets..............................  $ 148,060,282                              $ 134,310,648
LIABILITIES AND SHAREHOLDERS' EQUITY
  Interest-bearing demand.....................  $   1,711,356  $    68,664        4.01%    $   1,896,760  $    57,354        3.02%
  NOW accounts................................     22,634,967      268,083        1.18%       22,583,425      264,255        1.17%
  Money market accounts.......................     14,712,696      474,658        3.23%       14,209,254      369,441        2.60%
  Savings accounts............................     16,345,841      411,371        2.52%       17,441,123      423,608        2.43%
  Time deposits...............................     47,691,652    2,388,050        5.01%       38,504,909    1,547,641        4.02%
  Securities sold under agreements to
   repurchase.................................      3,417,569      151,772        4.44%        3,226,484      104,370        3.23%
  ESOP debt...................................        728,367       62,731        8.61%          808,216       40,296        4.99%
  Short-term borrowings.......................        422,741       23,197        5.49%          411,765       16,012        3.89%
  Federal Home Loan Bank borrowings...........      9,137,987      572,669        6.27%        6,235,610      311,476        5.00%
                                                -------------  -----------                 -------------  -----------       -----
    Total interest-bearing
     liabilities/interest expense.............  $ 116,803,176  $ 4,421,195        3.79%    $ 105,317,546  $ 3,134,453        2.98%
  Demand deposits.............................     18,168,140                                 17,295,202
  Other liabilities...........................        977,111                                  1,612,013
                                                -------------                              -------------
    Total liabilities.........................    135,948,427                                124,224,761
  Shareholders' equity........................     12,111,855                                 10,085,887
                                                -------------                              -------------
    Total liabilities and shareholders'
     equity...................................  $ 148,060,282                              $ 134,310,648
                                                -------------                              -------------
                                                -------------                              -------------
  Net interest income.........................                 $ 7,535,477                                $ 7,068,501
                                                               -----------                                -----------
                                                               -----------                                -----------
  Net interest spread.........................                                    4.96%                                      5.30%
                                                                                 -----                                      -----
                                                                                 -----                                      -----
  Net interest income to earnings assets......                                    5.51%                                      5.74%
                                                                                 -----                                      -----
                                                                                 -----                                      -----
</TABLE>
 
- ------------------------
(1)  Average non-accrual loans included in the computation of average loans were
     $243,000 for 1995 and $172,000 for 1994.
 
(2)  Loan related fees recognized  during the period and  included in the  yield
     calculation, totaled approximately $392,667 in 1995 and $337,817 in 1994.
 
                                       32
<PAGE>
                                    BUSINESS
 
COMPANY
 
    The   Company,  incorporated  in  1981,  is  a  multi-bank  holding  company
registered under the Bank Holding Company Act of 1956. The administrative office
of the Company is located  in Coos Bay, Oregon. The  Company was organized as  a
holding  company for  its principal banking  subsidiary, Security  Bank, a state
chartered, FDIC insured commercial bank,  through a reorganization completed  in
April,  1983. The Company conducts its business primarily through Security Bank,
but has  recently embarked  on a  strategy to  diversify through  investment  in
banking  operations  outside  of  Security Bank's  primary  market  area through
wholly- and majority-owned subsidiaries. As  part of that strategy, the  Company
recently completed the acquisition of a controlling interest in Lincoln Security
Bank,  a  newly-organized state-chartered  commercial  bank located  in Newport,
Oregon.
 
    As a result  of the successful  operations of Security  Bank, the  Company's
return  on equity has exceeded 15% for the  past two years and return on average
assets was 1.26% in  1995 and 1.25%  in 1994, which figures  do not include  the
results  of operations of Lincoln Security which commenced operations on May 30,
1996. At June 30, 1996, total assets were $170.1 million, total loans were $80.6
million and deposits were $133.8 million.
 
SECURITY BANK
 
    Security Bank operated as a single office in Myrtle Point, Oregon, from  its
founding  in 1919 until  1971, when the  Coquille branch was  opened. The bank's
Bandon Branch was  opened in 1974.  In 1977, Security  Bank's fourth branch  was
opened  in the Bunker Hill area  of Coos Bay, and in  1983, the bank merged with
Citizens Bank of North Bend, acquiring its fifth branch in North Bend. In  1985,
the  sixth  branch  was opened  as  result of  the  purchase of  the  office and
assumption of  the deposits  of  a failed  institution in  the  Brookings-Harbor
community in Curry County. Also in 1985, Security Bank moved its headquarters to
downtown  Coos  Bay and  opened  its Coos  Bay  Mall branch.  Security Financial
Insurance Agency, a subsidiary  of Security Bank organized  in 1987, acts as  an
insurance  agent  selling  annuities,  whole  life  insurance,  and  health care
insurance. The Insurance  Agency operates  from a  single office  near the  head
office  of Security  Bank. Its  services are  available to  customers at  all of
Security Bank's branches. Security Bank  also operates a separate mortgage  loan
business  with an office in Coos Bay, and an office in Eugene, Oregon, opened in
1995.
 
    Security  Bank  operates  in  a  competitive  market  which  has   undergone
significant economic and demographic changes in the past two decades. During the
period  1979 to 1987, Coos and Curry Counties suffered the loss of large numbers
of jobs in  the forest products  industry. The  employment losses led  to a  10%
population  decline in Coos County from 1980 to 1987. This loss of manufacturing
workers and their families, together with an  influx of retirees as a result  of
the  attractiveness of the  southern Oregon coast as  a retirement location, has
led to a significant increase in the portion of the population age 65 and older.
The population over age 65  increased by one-third from 1980  to 1990 to 17%  of
Coos  County's total  population, and increased  by almost two-thirds  to 25% of
Curry County's  total population.  Curry County  has the  highest percentage  of
residents  over age 65  of any Oregon county.  At the same  time the economy has
shifted to a more diverse base of  activity, including a greater role for  small
businesses.
 
    The  most direct  competition faced by  Security Bank comes  from four large
commercial banks.  With the  recent acquisition  of Western  Bank by  Washington
Mutual  Bank, Security Bank has no  community bank competitors, but continues to
compete with multi-state, multi-billion dollar asset institutions. To meet  this
competition,  Security  Bank targets  its marketing  efforts on  individuals and
small businesses who  prefer personalized  banking services,  and is  developing
products  and services intended to meet the  banking needs of people who are age
55 or over.
 
    Security Bank has competed effectively in its current market areas. In  Coos
County,  Security Bank's principal market area, Security Bank held approximately
$109 million in individual,  partnership and corporate deposits  as of June  30,
1995, representing 18.63% of such deposits held by
 
                                       33
<PAGE>
commercial  bank, savings and loan association  and credit union offices located
in the county,  up from  13.76% in  1990. In  Curry County,  Security Bank  held
approximately  $12 million in individual,  partnership and corporate deposits as
of June 30, 1995, representing 5.20% of such deposits held by commercial banking
and savings association offices located in the county, up from 3.88% in 1990.
 
LINCOLN SECURITY BANK
 
    Lincoln Security Bank is a newly-organized Oregon state-chartered bank,  the
deposits  of which are insured by the  FDIC. Lincoln Security was organized by a
group of business and professional individuals  in the Lincoln County area as  a
locally  owned commercial  bank serving  the needs  of the  city of  Newport and
Lincoln County, Oregon. Lincoln Security's  principal office is located at  1250
North Coast Highway in Newport, Oregon. The bank commenced operations on May 30,
1996, and currently operates in a temporary office facility pending construction
of  its  permanent  office. Lincoln  Security  engages in  a  general commercial
banking business in  Lincoln County  and offers commercial  banking services  to
small  and medium  size businesses,  professionals and  retail customers  in the
bank's market area.
 
    The Company facilitated the organization  of Lincoln Security by  purchasing
210,390  shares  of  Lincoln  Security's  Class  B  common  stock,  representing
approximately 68.44% of all outstanding  common shares of Lincoln Security  Bank
common  stock, with the remainder of the  outstanding common stock held by local
investors in the bank's Class A common stock. The shares of Class A and Class  B
common  stock are identical in all respects, except that the Class A and Class B
common stock vote  as separate  classes in the  election of  directors with  the
Class  B shares being entitled to vote  for a number of directors constituting a
mere majority of the directors,  and the Class A  shares being entitled to  vote
for  the balance  of the  directors. Pursuant  to a  shareholders agreement, the
Class A  common shareholders,  under certain  circumstances, have  the right  to
purchase  all of the Class B common  stock of Lincoln Security owned by Security
Bank Holding Company, after five years but before 10 years following the date of
Lincoln Security's charter. Conversely, if  the Class A shareholders notify  the
Company  of their intent to exercise their  right to purchase the Class B common
stock, but  fail to  consummate the  purchase within  270 days  thereafter,  the
Company  has  the right,  but not  the obligation,  to acquire  all of  the then
outstanding shares of  Lincoln Security  Class A  common stock  in exchange  for
shares  of Company common  stock having an  aggregate market value  equal to the
value of the outstanding Lincoln Security Class A common stock as determined  by
an  appraisal process set forth in  the shareholders agreement. The Company does
not expect to receive dividends  on its shares of Class  B common stock for  the
foreseeable  future, as any earnings of the  bank are expected to be retained to
fund further growth of the bank.
 
    As a result of the ownership of a majority of Lincoln Security's outstanding
common stock,  the Company  will  be able  to  control any  corporate  decisions
requiring  approval of Lincoln Security shareholders. At this time, Mr. Brummel,
President and Chief Executive  Officer of the Company,  and Kenneth Messerle,  a
director  of  the Company,  are serving  on  the Board  of Directors  of Lincoln
Security, with  the balance  of  the Board  of  Directors being  Lincoln  County
residents.  The Company  believes that, like  Security Bank, the  success of the
bank depends on being identified as a local bank that knows and understands  the
needs  of  the community  it  serves. Accordingly,  the  Company believes  it is
important that Lincoln Security  have a majority of  its board members from  the
local  community  who are  familiar with  Lincoln  County and  are known  by the
potential customers  which the  bank seeks  to attract.  The presence  of  local
shareholders,  and  the  appointment  of  predominantly  local,  Lincoln  County
directors, are expected to help ensure that Lincoln Security Bank will have  the
same  community  commitment and  ties that  distinguish  Security Bank  from its
larger statewide  competitors.  Although  initially the  Company  has  only  two
representatives  on  the  bank's  board of  directors,  the  Company  expects to
continue to  influence  major  decisions  made by  the  board.  Further,  it  is
anticipated  that the  bank's management will  look to the  Company and Security
Bank  for  guidance  in  managing  the  administrative  affairs  of  the   bank.
Nonetheless, the Company expects to rely on Lincoln Security officers to oversee
day-to-day  operations  of  the  bank  without  significant  involvement  of the
Company.
 
                                       34
<PAGE>
BUSINESS STRATEGY
 
    The Company seeks to achieve growth in its earning assets, while maintaining
a strong return on equity. The  strategy for accomplishing those goals is  based
upon:
 
    - Personalized Customer Service
 
    - Development of Innovative Products
 
    - Expanding into new Geographic Markets
 
    PERSONALIZED  CUSTOMER  SERVICE.    The  Banks  pride  themselves  on  being
community banks  serving  the central  and  southern Oregon  coast.  The  Banks'
personnel  are  primarily  long-time  residents,  with  many  years  of  banking
experience  in  their  communities.  In  an  era  when  larger  competitors  are
minimizing  personnel expenses through the use of part-time tellers, centralized
loan centers, and electronic technology,  the Banks remain committed to  serving
customers  through personal service: loan officers  and other employees who know
and are known  by their customers.  From the  Boards of Directors,  who are  all
residents and active members of their respective communities, to branch tellers,
service  and accessibility are emphasized. To enhance customer service, Security
Bank provides  "platform  banking," which  gives  employees computer  access  to
customer records and allows them to respond to inquiries efficiently.
 
    To promote employee commitment to customer service, the Company maintains an
Employee Stock Ownership Plan in which all employees other than those of Lincoln
Security  are  eligible to  participate. The  Plan  enables employees  to become
shareholders of the Company and share a common interest with other shareholders.
Thus, employees'  efforts  to  improve  the  Company's  performance  provide  an
economic benefit to them through potential increases in the value of their share
ownership.  The  Company also  has established  a stock  option plan  for senior
management personnel. See "Management -- Other Benefit Plans."
 
    INNOVATIVE PRODUCTS.   The Company  seeks to increase  market share  through
innovative  products oriented  to the needs  of potential  customers. As Lincoln
Security is still in the initial  stages of business development, and  therefore
is  concentrating  on basic  services, these  innovative products  are currently
being marketed by Security Bank. Security Bank provides, for the population over
age fifty-five,  specially  designed deposit  and  insurance products,  such  as
tax-deferred  annuities and a certificate of  deposit which features a waiver of
early withdrawal penalties  in the event  the funds are  needed for health  care
expenses. To provide services which Security Bank does not provide directly, the
bank  partners with other organizations, exemplified by its arrangement with the
Bank of California to provide trust services. Security Bank provides  electronic
banking  services for those who desire it, and offers a telephone banking system
which  allows  customers  to  access   their  account  information  and   obtain
information  about bank  services by telephone,  24-hours a  day. During banking
hours, however, employees answer customer  telephone calls to maintain  personal
contact  rather than relying upon computerized answering services. Security Bank
also offers bank cards, allowing customers worldwide bank ATM network access.
 
    GEOGRAPHIC MARKET EXPANSION.  The Company is acting to diversify and  expand
its  asset base by moving outside of its traditional market areas without losing
the personal  service  and  community  focus which  differentiate  it  from  its
competitors.  For example,  Security Bank  has recently  opened a  mortgage loan
office in Eugene, Oregon,  and expects to open  offices in other communities  in
Oregon  in the future. Specific plans for  new offices have not been formulated,
and it is not known when, if any, such new offices may be opened.
 
    Prior to the organization  of Lincoln Security,  the Company had  considered
expanding its market
geographically  through acquisitions or the opening of branch offices in coastal
communities north  of  its  existing  market area.  The  Company  believed,  and
continues  to  believe, however,  that retaining  a  community bank  identity is
crucial to Security Bank's and the Company's success, and that branching  beyond
the  existing market would  pose some risk  to Security Bank's  image as a local
bank. The
 
                                       35
<PAGE>
Company believed that organizing a new community bank in cooperation with  local
business  people  provided the  opportunity  for expansion  while  retaining the
benefits of being identified as a local community bank.
 
    The Company's investment in  Lincoln Security Bank is  a unique approach  to
partner  with  investors  in  a  new market  area,  and  reflects  the Company's
commitment to geographic market expansion. Management believes that the  Lincoln
Security Bank investment, if successful, can be a model for investments in other
community  banks.  The  Company  is  not  actively  pursuing  any  other similar
investments or acquisitions of other banks,  nor does the Company seek to  merge
with  any other bank holding companies. However, the Company will consider other
opportunities as they come available.
 
ECONOMIC CONDITIONS AND DEMOGRAPHICS
 
    The Banks  primarily receive  deposits and  make loans  in Coos,  Curry  and
Lincoln  Counties  of  Oregon.  As  community  banks,  the  Banks  have  certain
competitive advantages in their local focus, but the Banks are also more closely
tied to their respective local economies than competitors who serve a number  of
geographic markets.
 
COOS AND CURRY COUNTIES
 
    Coos  County  had  a  1993 population  of  approximately  62,500,  while the
population  of  Curry  County  was  approximately  21,300.  About  half  of  the
population  of each county  is in an urbanized  area, the Coos  Bay - North Bend
area in Coos County and the Brookings-Harbor area in Curry County.
 
    The economies  of Coos  and  Curry Counties  depend particularly  on  forest
products,  fishing,  agriculture  and  tourism. One  of  the  major  features of
economic developments  in both  counties over  the past  15 years  has been  the
reduction  in employment in the forest products  industry and the effects on the
local economy. Approximately three-quarters of the  land in the two counties  is
commercial  timberland, with 65% being privately owned in Coos County and 40% in
Curry County. The balance is federal and state forests.
 
    During the period 1979 to 1982, Coos County experienced a 17% decline in the
number of wage  and salary  jobs, with  half of  that decline  occurring in  the
forest  products industry.  The decline  in forest  products employment produced
high levels of unemployment and a decline in population. In the late 1980's  and
into  the 1990's, the population began growing again, and was up 3% from 1990 to
1992. Curry County, while also  suffering high unemployment, has recovered,  and
is  growing at faster  rate. The population  of Curry County  grew 10.5% between
1990 and  1992. Although  much improved  from the  highest levels  of the  early
1980's, unemployment remains above Oregon and U.S. averages in both counties.
 
    A significant change in the makeup of the population in the two counties has
occurred  with  the  emigration  of  working  families  and  the  immigration of
retirees, particularly into Curry County.  With these population shifts, a  high
percentage  of personal income comes from sources other than net earnings, 54.6%
in Curry County and 43.6% in Coos County in 1992, the latest data available.
 
    The result  of these  employment and  population changes  is a  shift to  an
economic  base which is  more stable and  less dependent on  the forest products
industry. The industry  remains an  important employment source,  but no  longer
dominates  the economy.  By the  end of  1993, five  times as  many persons were
employed in  non-manufacturing,  non-farm  jobs as  compared  to  manufacturing.
Retail  trade, government  and services are  the largest  employment segments in
both counties.  Tourism  has become  increasingly  important to  both  counties.
Agriculture,  although  a  small  industry in  terms  of  employment,  remains a
significant economic factor. Cranberries  and nursery stock  are major crops  in
Coos  County,  while southern  Curry County  is  part of  the largest  lily bulb
growing area of  the U.S. The  fishing industry in  Coos County, although  still
important,   has  contracted  significantly  since  1980,  particularly  due  to
reductions in salmon fishing.
 
                                       36
<PAGE>
LINCOLN COUNTY
 
    Lincoln County, the market  served by Lincoln Security  Bank, is located  on
the  central Oregon coast and  its economy is dependent  primarily on the forest
products and fishing industries, tourism  and service businesses. Over the  past
several  years, forest  products activity  has significantly  decreased and some
segments of  the  fisheries  industry  have  experienced  significant  declines.
However,  Lincoln  County is  less dependent  than Coos  or Curry  Counties upon
forest products manufacturing. Unemployment rates in Lincoln County have closely
paralleled those of Oregon as a whole, in contrast with Coos and Curry  Counties
where  they have  been significantly higher.  Offsetting the  decrease in forest
products and fisheries, tourism has emerged as a major industry for the  county.
Lincoln  County's relative proximity  to the population  centers of Portland and
the Willamette  Valley of  Oregon has  continued to  make it  a popular  weekend
vacation spot and retirement area. Lincoln County has also embarked on a program
to  promote diversification of its economic  base through a state-sponsored "Key
Industry Initiative" whereby each county selects three key industries to  target
for expansion of employment prospects in return for financial and other forms of
state  assistance.  Lincoln County  has selected  software and  high technology,
government contract work in research and development, and professional  services
as  its target industries. Total population of Lincoln County has increased from
35,350 in 1980  to 39,690  in 1992, approximately  a 12%  increase. This  modest
increase  belies the changing composition of the job market and economic base in
the county which has  shifted markedly during this  period. The State of  Oregon
Employment  Division forecasts  population for  Lincoln County  of approximately
47,500 by the year 2000, assuming the absence of major economic recessions which
might have a negative impact on  employment and population growth. As with  Coos
and  Curry Counties, a  significant portion of the  Lincoln County population is
over age 65.
 
COMPETITION
 
    The geographic areas of  Oregon served by the  Banks are highly  competitive
with  respect to  both deposits  and loans.  The Banks  compete principally with
commercial  banks,  savings  and  loan  associations,  credit  unions,  mortgage
companies,   and  other  financial  institutions.   The  major  commercial  bank
competitors  are   state-wide  institutions   which   are  among   the   largest
Oregon-headquartered  commercial and savings banks, and their deposits represent
59.6% of statewide commercial and savings bank deposits as of December 31, 1995.
Each of these competitors is owned by multi-state, multi-billion dollar  holding
companies.  These banks have the advantages of offering their customers services
and state-wide banking facilities that the Banks do not offer.
 
    The Banks' primary competition for  deposits comes from commercial banks,  a
savings  and loan  association, credit unions,  and money market  funds, some of
which may offer  higher rates than  the Banks. Secondary  competition for  funds
comes  from issuers of corporate and government securities, insurance companies,
mutual funds, and  other financial  intermediaries. Other than  with respect  to
large  certificates of  deposit, the  Banks compete  for deposits  by offering a
variety  of  deposit  accounts  at  rates  generally  competitive  with  similar
financial institutions in the area.
 
    The  Banks' competition for  loans comes principally  from commercial banks,
savings and loan associations, mortgage companies, finance companies,  insurance
companies,  and other institutional lenders. Many of the Banks' competitors have
substantially higher lending limits than those of the Banks, individually or  in
the  aggregate.  The Banks  compete for  loan origination  through the  level of
interest rates and  loan fees charged,  the variety of  commercial and  mortgage
loan products, and the efficiency and quality of services provided to borrowers.
Lending  activity can  also be affected  by the availability  of lendable funds,
local and national economic conditions,  current interest rate levels, and  loan
demand.  As described above, the Banks compete with their larger commercial bank
competitors by  emphasizing  their  community  bank  orientation  and  efficient
personal  service to local customers,  particularly local lending. See "Business
- -- Business Strategy."
 
    Lincoln County presents a particularly competitive market. Although  Lincoln
County is currently served by seven commercial banks, two thrifts and one credit
union,  many of which offer  more services and products  than offered by Lincoln
Security,  only  one   of  the  commercial   banks  has  its   head  office   in
 
                                       37
<PAGE>
Lincoln  County  and it  is  owned by  a  holding company  headquartered  in the
Portland metropolitan area. Further, in 1994,  a second community bank with  its
head office in Newport was acquired by a large multi-state bank holding company.
A  third community  bank previously headquartered  in Newport was  acquired by a
multi-state holding company in 1990. It is believed that the loss of these local
community banks presents  increased opportunities  for a new  community bank  to
compete effectively for business in this market area.
 
PROPERTIES
 
    COOS  BAY MALL FACILITY.  Security Bank's Mall Facility is located at 170 S.
Second Street, Coos Bay, Oregon, and  is registered on the national register  of
historic  places. The building and land are  owned by the bank. The Mall branch,
consumer lending  center,  Security  Financial Insurance  Agency  and  the  Data
Processing  center occupy the first  floor. The Company's administrative offices
occupy the second floor.
 
    MYRTLE POINT BRANCH.   Security Bank's original Main  Office was located  at
503  Spruce, Myrtle Point,  Oregon. The building  now serves as  a branch of the
bank, which owns the building and land.
 
    COQUILLE BRANCH.  The Coquille Branch of Security Bank is located at 479  N.
Central, Coquille, Oregon. The building and land are owned by the bank.
 
    BANDON  BRANCH.  The Bandon  Branch of Security Bank  is located at 1125 Hwy
101, Bandon, Oregon. The building and land are owned by the bank.
 
    BUNKER HILL BRANCH.  The Bunker Hill  Branch of Security Bank is located  at
900  Hwy 101  South, Coos Bay,  Oregon. The building  and land are  owned by the
bank. The bank's mortgage lending operation also has an office in this facility.
 
    NORTH BEND BRANCH.   The North Bend  Branch of Security  Bank is located  at
3451 Broadway in North Bend, Oregon. The building and land are leased. The lease
term  expires in 1998 and  has options for two  additional periods of five years
each.
 
    BROOKINGS-HARBOR BRANCH.   The Brookings-Harbor Branch  of Security Bank  is
located  at 16271 Hwy  101 South, Brookings,  Oregon. The building  and land are
leased. The lease expires in 2004.
 
    MORTGAGE LENDING  OFFICE.   Security  Bank  has a  mortgage  lending  office
located at 200 East 11th Avenue, Suite 14A, Eugene, Oregon. The office is leased
under  a lease agreement which expires October 14, 1996, and has options for two
additional one-year terms.
 
    LINCOLN SECURITY BANK.   Lincoln Security's principal  office is located  at
1250  North Coast Highway in  Newport, Oregon. The bank  currently operates in a
temporary  office  facility  pending  construction  of  its  permanent   office.
Construction  of the permanent facility is  being financed internally by Lincoln
Security. The office is  situated on land which  is leased from an  unaffiliated
third  party through January, 2011. The lease may be renewed by Lincoln Security
for two additional 10-year periods.
 
EMPLOYEES
 
    As of June 30,  1996, the Company  and its subsidiaries had  a total of  123
employees, 108 of whom are full-time equivalent employees. None of the employees
of  the Company or the  Banks are subject to  a collective bargaining agreement.
The Company and Banks considers their  relationships with their employees to  be
good.
 
LEGAL PROCEEDINGS
 
    The  Banks are from time to time a party to various legal actions arising in
the normal course of business. Management  believes that there is no  threatened
or  pending proceedings against  the Company or the  Banks, which, if determined
adversely, would have a material effect on the business or financial position of
the Company or the Banks.
 
                                       38
<PAGE>
                           SUPERVISION AND REGULATION
 
GENERAL
 
    The Company and the Banks are extensively regulated under federal and  state
law.  These  laws  and  regulations  are  intended  to  protect  depositors, not
shareholders. To the extent that  the following information describes  statutory
or  regulatory provisions, it is  qualified in its entirety  by reference to the
particular statutory or regulatory provisions. Any change in applicable laws  or
regulations  may have  a material  effect on the  business and  prospects of the
Company and  the Banks.  The operations  of the  Company and  the Banks  may  be
affected  by  legislative  changes and  by  the policies  of  various regulatory
authorities. The Company is unable  to predict the nature  or the extent of  the
effects  on its business and earnings that fiscal or monetary policies, economic
control or new federal or state legislation may have in the future.
 
FEDERAL BANK HOLDING COMPANY REGULATION
 
    The Company is a bank holding company within the meaning of the Bank Holding
Company Act ("BHCA"), and as such, it is subject to regulation, supervision  and
examination  by the Board  of Governors of the  Federal Reserve System ("Federal
Reserve"). The  Company is  required to  file annual  reports with  the  Federal
Reserve  and to provide  the Federal Reserve such  additional information as the
Federal Reserve may require.
 
    BHCA requires every bank holding company to obtain the prior approval of the
Federal Reserve  before  (i) acquiring,  directly  or indirectly,  ownership  or
control  of any voting shares of another  bank or bank holding company it, after
such acquisition, would own or  control more than 5%  of such shares (unless  it
already  owns or controls  the majority of  such shares); (ii)  acquiring all or
substantially all of  the assets  of another bank  or bank  holding company;  or
(iii)  merging or consolidating  with another bank  holding company. The Federal
Reserve will not  approve any  acquisition, merger or  consolidation that  would
have  a substantial anti-competitive result, unless the anti-competitive effects
of the proposed transaction are clearly outweighed by a greater public  interest
in  meeting the convenience and needs of the community to be served. The Federal
Reserve also  considers  capital adequacy  and  other financial  and  managerial
factors in reviewing acquisitions or mergers.
 
    With  certain exceptions,  BHCA also prohibits  a bank  holding company from
acquiring or retaining direct or indirect  ownership or control of more than  5%
of the voting shares of any company which is not a bank or bank holding company,
or  from  engaging directly  or  indirectly in  activities  other than  those of
banking,  managing  or  controlling  banks,   or  providing  services  for   its
subsidiaries.  The principal  exceptions to  these prohibitions  involve certain
non-bank activities which, by statute or by Federal Reserve regulation or order,
have been identified as activities closely related to the business of banking or
of managing  or controlling  banks. In  making this  determination, the  Federal
Reserve  considers whether the performance of  such activities by a bank holding
company can  be expected  to produce  benefits  to the  public such  as  greater
convenience,  increased competition or  gains in efficiency  in resources, which
can be  expected to  outweigh the  risks  of possible  adverse effects  such  as
decreased  or  unfair  competition,  conflicts of  interest  or  unsound banking
practices. The Bank's  data processing and  insurance subsidiaries are  non-bank
companies engaged in activities deemed permissible by the Federal Reserve.
 
    Subsidiary   banks  of  a  bank  holding  company  are  subject  to  certain
restrictions imposed by the Federal Reserve  Act on extensions of credit to  the
bank holding company or its subsidiaries, on investments in their securities and
on  the use of their  securities as collateral for  loans to any borrower. These
regulations and restrictions  may limit  the Company's ability  to obtain  funds
from  the Banks for  its cash needs,  including funds for  payment of dividends,
interest and  operating expenses.  Further, under  the Federal  Reserve Act  and
certain  regulations  of the  Federal Reserve,  a bank  holding company  and its
subsidiaries are  prohibited from  engaging in  certain typing  arrangements  in
connection with any extension of credit, lease or sale of property or furnishing
of services. For example, the Bank
 
                                       39
<PAGE>
may  not generally require a customer to  obtain other services from the Bank or
the Company, and may not require that  the customer promise not to obtain  other
services  from a  competitor, as a  condition to  an extension of  credit to the
customer.
 
FEDERAL AND STATE BANK REGULATION
 
    The Banks, as  state-chartered banks  with deposits insured  by the  Federal
Deposit  Insurance  Corporation ("FDIC")  that are  not  members of  the Federal
Reserve System, are subject to the supervision and regulation of the Director of
the Oregon Department of Consumer  and Business Services, administrated  through
the Division of Finance and Corporate Securities ("Oregon Director"), and to the
supervision  and regulation of  the FDIC. These agencies  may prohibit the Banks
from engaging  in  what  they  believe  constitute  unsafe  or  unsound  banking
practices.
 
    As  of July  1, 1989,  Oregon permits  out-of-state banking  institutions to
acquire banks or holding companies that have  been in existence for a period  of
no  fewer  than three  years. Generally,  such acquisitions  are subject  to the
approval of the Federal Reserve  Board and the Oregon  Director. As a result  of
1993  Oregon legislation  and 1995 federal  law changes, Oregon  banks may merge
with out-of-state national or state  banks, and out-of-state national and  state
banks  may acquire  Oregon branches  or may merger  with or  acquire branches of
Oregon or  federal  savings  associations.  Initial  acquisitions  must  involve
institutions  which been engaged in banking in  Oregon for at least three years,
but once such  an acquisition  is made, the  resulting bank  may add  additional
branches.
 
    The  Community Reinvestment  Act ("CRA")  requires that,  in connection with
examinations of financial  institutions within their  jurisdiction, the  Federal
Reserve  or  the FDIC  evaluates  the record  of  the financial  institutions in
meeting the credit needs of their local communities, including low and  moderate
income  neighborhoods, consistent  with the  safe and  sound operation  of those
banks. These factors are also considered in evaluating mergers, acquisitions and
applications to open a branch or facility. Security Bank's current CRA rating is
"Outstanding," the highest  rating awarded.  Lincoln Security has  not yet  been
subjected to a CRA examination.
 
    The  Banks are also  subject to certain restrictions  imposed by the Federal
Reserve Act on extensions of credit to executive officers, directors,  principal
shareholders  or any related interest of  such persons. Extensions of credit (i)
must be  made on  substantially the  same terms,  including interest  rates  and
collateral  as, and following  credit underwriting procedures  that are not less
stringent than, those prevailing  at the time  for comparable transactions  with
persons  not covered above and who are  not employees, and (ii) must not involve
more than the normal  risk of repayment or  present other unfavorable  features.
The  Banks  are  also subject  to  certain  lending limits  and  restrictions on
overdrafts to such persons. A violation of these restrictions may result in  the
assessment  of substantial civil monetary penalties  on the affected bank or any
officer, director, employee, agent or other person participating in the  conduct
of  the affairs of  that bank, the imposition  of a cease  and desist order, and
other regulatory sanctions.
 
    Under the Federal Deposit Insurance Corporation Improvement Act  ("FDICIA"),
each Federal banking agency is required to prescribe, by regulation, non-capital
safety  and  soundness standards  for  institutions under  its  authority. These
standards are to cover internal controls, information systems and internal audit
systems, loan documentation, credit underwriting, interest rate exposure,  asset
growth,  compensation, fees and benefits,  such other operational and managerial
standards as the agency  determines to be appropriate,  and standards for  asset
quality,  earnings and stock valuation. An institution which fails to meet these
standards must develop  a plan acceptable  to the agency,  specifying the  steps
that  the institution  will take  to meet  the standards.  Failure to  submit or
implement such a plan may subject  the institution to regulatory sanctions.  The
Company  believes that the Banks meet all  the standards, and therefore does not
believe that these regulatory standards materially affect the Company's business
operations.
 
                                       40
<PAGE>
DEPOSIT INSURANCE
 
    As FDIC member institutions, the deposits of the Banks are currently insured
to a maximum of $100,000 per depositor through the Bank Insurance Fund  ("BIF"),
administered  by  the FDIC.  The Banks  are required  to pay  semiannual deposit
insurance premium assessments to the FDIC.
 
    The FDICIA  includes  provisions to  reform  the Federal  deposit  insurance
system,  including the implementation of  risk-based deposit insurance premiums.
The FDICIA  also  permits  the  FDIC to  make  special  assessments  on  insured
depository  institutions in  amounts determined by  the FDIC to  be necessary to
give it  adequate assessment  income to  repay amounts  borrowed from  the  U.S.
Treasury  and other sources or  for any other purpose  the FDIC deems necessary.
Pursuant to the FDICIA, the FDIC implemented a transitional risk based insurance
premium system  on January  1, 1993.  Generally, under  this system,  banks  are
assessed  insurance  premiums according  to  how much  risk  they are  deemed to
present to  BIF.  Banks with  higher  levels of  capital  and a  low  degree  of
supervisory  concern are assessed lower premiums than banks with lower levels of
capital or involving a higher degree of supervisory concern. The Banks each have
a current FDIC premium rate of $.00  per $100 of domestic deposits. The  premium
range  is from $.00, for the  highest-rated institutions (subject to a statutory
minimum assessment of $2,000) to $.27 per $100 of domestic deposits.
 
DIVIDENDS
 
    The principal source of  the Company's cash  revenues is dividends  received
from  Security Bank. Lincoln Security Bank  does not currently pay dividends and
is not expected  to in the  near future, as  earnings will be  retained to  fund
future  growth. Under the Oregon Bank Act, the Banks are subject to restrictions
on its  payment of  cash dividends  to  the Company.  A bank  may not  pay  cash
dividends  if that  payment would  reduce the amount  of its  capital below that
necessary  to  meet  minimum  applicable  regulatory  capital  requirements.  In
addition,  the amount of the dividend may  not be greater than its net undivided
profits then on hand, after first deducting (i) all losses; (ii) all bad  debts,
unless  the debts are  well-secured, (a) on  which interest for  a period of one
year is  past  due and  unpaid,  and (b)  upon  which final  judgment  has  been
obtained,  but for  more than  one year  the judgment  has been  unsatisfied and
interest has not  been paid;  (iii) all assets  or depreciation  charged off  as
required  by the  Oregon Director; and  (iv) all accrued  expenses, interest and
taxes of the bank. Lincoln Security is not able to pay dividends as a result  of
the lack of retained earnings. It is not known if or when Lincoln Security would
be able to pay such dividends.
 
    In  addition,  the  appropriate  regulatory  authorities  are  authorized to
prohibit banks  and bank  holding companies  from paying  dividends which  would
constitute  an unsafe or unsound banking practice. The Banks and the Company are
not currently subject to  any regulatory restrictions  on their dividends  other
than those noted above.
 
CAPITAL ADEQUACY
 
    The  federal  bank regulatory  agencies use  capital adequacy  guidelines in
their examination and  regulation of bank  holding companies and  banks. If  the
capital falls below the minimum levels established by these guidelines, the bank
holding  company  or  bank  may  be  denied  approval  to  acquire  or establish
additional banks or non-bank businesses or to open facilities.
 
    The FDIC and Federal Reserve have adopted risk-based capital guidelines  for
banks and bank holding companies. The risk-based capital guidelines are designed
to  make regulatory capital  requirements more sensitive  to differences in risk
profile among banks and bank holding companies, to account for off-balance sheet
exposure and to  minimize disincentives  for holding liquid  assets. Assets  and
off-balance  sheet  items  are  assigned to  broad  risk  categories,  each with
appropriate weights.  The  resulting  capital  ratios  represent  capital  as  a
percentage  of  total  risk-weighted  assets and  off-balance  sheet  items. The
guidelines are minimums,  and the Federal  Reserve has noted  that bank  holding
companies   contemplating  significant  expansion   programs  should  not  allow
expansion to diminish their  capital ratios and should  maintain ratios well  in
excess of the minimum. The current guidelines require all bank holding companies
and  federally-regulated banks  to maintain  a minimum  risk-based total capital
ratio equal to 8%, of which at least 4% must be Tier 1 capital.
 
                                       41
<PAGE>
    Tier  1  capital for  bank holding  companies includes  common shareholders'
equity, qualifying perpetual preferred stock (up to 25% of total Tier 1 capital,
if cumulative;  under a  Federal Reserve  rule, redeemable  perpetual  preferred
stock  may not be counted as Tier 1  capital unless the redemption is subject to
the prior approval  of the  Federal Reserve)  and minority  interests in  equity
accounts  of  consolidated subsidiaries,  less  intangibles except  as described
above. Tier 2 capital includes: (i) the allowance for loan losses of up to 1.25%
of risk-weighted assets;  (ii) any  qualifying perpetual  preferred stock  which
exceeds the amount which may be included in Tier 1 capital; (iii) hybrid capital
instrument;  (iv) perpetual debt; (v)  mandatory convertible securities and (vi)
subordinated debt and intermediate term preferred stock  of up to 50% of Tier  1
capital.  Total capital is the sum of Tier  1 and Tier 2 capital less reciprocal
holdings of other banking organizations, capital instruments and investments  in
unconsolidated subsidiaries.
 
    Banks' and bank holding companies' assets are given risk-weights of 0%, 20%,
50%,  and 100%.  In addition, certain  off-balance sheet items  are given credit
conversion factors  to convert  them to  asset equivalent  amounts to  which  an
appropriate  risk-weight  will apply.  These  computations result  in  the total
risk-weighted assets.
 
    Most loans are assigned to the 100% risk category, except for first mortgage
loans fully secured  by residential  property, which  carry a  50% rating.  Most
investment  securities are assigned to the 20% category, except for municipal or
state revenue bonds, which have a 50% risk-weight, and direct obligations of  or
obligations guaranteed by the United States Treasury or United States Government
agencies,  which  have 0%  risk-weight. In  converting off-balance  sheet items,
direct credit substitutes, including general  guarantees and standby letters  of
credit  backing  financial obligations,  are given  100% conversion  factor. The
transaction related contingencies such  as bid bonds,  other standby letters  of
credit  and  undrawn  commitments,  including commercial  credit  lines  with an
initial  maturity  of  more  than  one  year,  have  a  50%  conversion  factor.
Short-term,  self-liquidating  trade  contingencies are  converted  at  20%, and
short-term commitments have a 0% factor.
 
    The Federal Reserve also has implemented  a leverage ratio, which is Tier  1
capital  as  a percentage  of total  assets less  intangibles, to  be used  as a
supplement to risk-based  guidelines. The  principal objective  of the  leverage
ratio  is to place  a constraint on the  maximum degree to  which a bank holding
company may leverage  its equity capital  base. The Federal  Reserve requires  a
minimum  leverage ratio of 3%.  However, for all but  the most highly rated bank
holding companies and for bank holding companies seeking to expand, the  Federal
Reserve expects an additional cushion of at least 1% to 2%. As of June 30, 1996,
the  Company was in compliance with applicable capital requirements, as shown in
the following tables:
 
<TABLE>
<CAPTION>
                                                                                   AMOUNT        RATIO
                                                                               --------------  ---------
<S>                                                                            <C>             <C>
RISK-BASED CAPITAL RATIOS
Tier 1 capital...............................................................  $   14,516,000     13.34%
(Minimum Tier 1 capital requirement: 4.00%)
 
Total capital................................................................  $   15,575,000     14.31%
(Minimum total capital requirement: 8.00%)
 
LEVERAGE RATIO
Tier 1 capital...............................................................  $   14,516,000      8.39%
(Minimum leverage requirement: 3.00%)
</TABLE>
 
    The FDICIA also  created a  new statutory framework  of supervisory  actions
indexed  to the capital  level of the  individual institution. Under regulations
adopted by  the  FDIC,  an  institution  is assigned  to  one  of  five  capital
categories  depending on its  total risk-based capital  ratio, Tier 1 risk-based
capital ratio, and  leverage ratio,  together with  certain subjective  factors.
Institutions which are deemed to be "undercapitalized" depending on the category
to  which  they  are  assigned  are  subject  to  certain  mandatory supervisory
corrective actions. The Company does not anticipate that these regulations  will
have any material effect on the Banks.
 
                                       42
<PAGE>
EFFECTS OF GOVERNMENT MONETARY POLICY
 
    The  earnings  and  growth  of  the Banks,  and  their  existing  and future
activities, are affected not  only by general economic  conditions, but also  by
the  fiscal and  monetary policies of  the federal  government, particularly the
Federal Reserve. The Federal  Reserve can and  does implement national  monetary
policy  for such purposes as curbing  inflation and combating recession, but its
open market operations in  U.S. government securities,  control of the  discount
rate  applicable to  borrowings from the  Federal Reserve,  and establishment of
reserve requirements against certain deposits,  influence growth of bank  loans,
investments  and deposits,  and also affect  interest rates charged  on loans or
paid on deposits. The nature and  impact of future changes in monetary  policies
and their impact on the Company or the Banks cannot be predicted with certainty.
 
CHANGING REGULATORY STRUCTURE OF THE BANKING INDUSTRY
 
    The  laws and  regulations affecting  banks and  bank holding  companies are
currently undergoing significant changes. Bills  are now pending or expected  to
be  introduced in the United States Congress that contain proposals for altering
the  structure,  regulation,  and  competitive  relationships  of  the  nation's
financial  institutions. If enacted into law,  these bills could have the effect
of increasing or decreasing  the cost of doing  business, limiting or  expanding
permissible  activities (including  activities in  the insurance  and securities
fields), or affecting the competitive balance among banks, savings associations,
and other financial institutions. Some of these bills would reduce the extent of
federal deposit  insurance, broaden  the  powers or  the geographical  range  of
operations  of bank holding companies,  modify interstate branching restrictions
applicable to national banks, regulate bank involvement in derivative securities
activities, and  realign the  structure and  jurisdiction of  various  financial
institution  regulatory agencies. Whether  or in what  form any such legislation
may be adopted  or the  extent to  which the business  of the  Company might  be
affected thereby cannot be predicted with certainty.
 
    Of  particular note is  legislation which has been  recently been enacted by
Congress, as referred  to above,  permitting interstate  banking and  branching,
which  would allow banks to expand nationwide through acquisition, consolidation
or merger. Under this  law, an adequately capitalized  bank holding company  may
acquire  banks in any  state if permitted  by state law.  In addition, banks may
acquire branches of out-of-state banks through merger followed by conversion  of
the  acquired bank branches into branches  of the resulting bank. Further, banks
may establish and operate branches in  any state subject to the restrictions  of
applicable  state law.  Under Oregon law,  an out-of-state bank  or bank holding
company may merge with or acquire an Oregon state-chartered bank or bank holding
company if  the Oregon  bank, or  in the  case of  a bank  holding company,  the
subsidiary bank, has been in existence for a minimum of three years, and the law
of the state in which the acquiring bank in located permits such merger.
 
                                       43
<PAGE>
                                   MANAGEMENT
 
DIRECTORS AND EXECUTIVE OFFICERS
 
    The  following  table sets  forth  information regarding  the  directors and
executive officers of the Company.
 
<TABLE>
<CAPTION>
                                                                                       YEAR ELECTED OR APPOINTED
                                                                                          DIRECTOR/EXECUTIVE
           NAME                  AGE                       POSITION                             OFFICER
- ---------------------------      ---      -------------------------------------------  -------------------------
<S>                          <C>          <C>                                          <C>
Charles D. Brummel                   57   Director/President/Chief Executive Officer                1974
Michael J. Delvin                    48   Executive Vice President                                  1992
E. Samuel Dement                     75   Director/Chairman                                         1969
Ralph W. Gazeley                     68   Director/Secretary                                        1989
Donald L. Goddard                    73   Director                                                  1974
Thomas R. Graham                     64   Director/Assistant Secretary                              1983
Kathleen M. Kerins                   54   Director                                                  1995
William A. Lansing                   50   Director                                                  1991
Kenneth C. Messerle                  56   Director                                                  1992
Antoinette M. Poole                  49   Senior Vice President/Loan Administrator                  1995
Harry A. Slack, Jr.                  67   Director/Vice Chair                                       1972
Glenn A. Thomas                      55   Director                                                  1995
Marc C. Williams                     34   Vice President/Controller                                 1994
</TABLE>
 
    Directors serve three-year  terms. The  terms of Slack,  Kerins and  Goddard
expire in 1997. The terms of Dement, Gazeley, Lansing and Thomas expire in 1998.
The terms of Brummel, Graham and Messerle expire in 1999.
 
    Executive officers are President/Chief Executive Officer Charles D. Brummel,
Executive  Vice President Michael  J. Delvin, Vice  President/Controller Marc C.
Williams, and Senior  Vice President/  Loan Administrator  Antoinette M.  Poole.
Brummel has served since 1974, Delvin since 1992, Williams since 1994, and Poole
since  1995. No director or principal officer of the Company has a direct family
relationship with another director  or executive officer of  the Company or  the
Banks.
 
EXPERIENCE OF DIRECTORS AND EXECUTIVE OFFICERS
 
    The  business experience of each of the directors and executive officers for
the past five years has been as follows:
 
    CHARLES D. BRUMMEL.  Executive Officer Brummel has served as a Director  and
CEO/President of Security Bank since 1974. He was a director of the Board of the
Oregon  Bankers Association  from 1977  to 1989 and  served as  its president in
1986/1987. He is Chairman of the Board of Directors of the OBA Insurance Agency.
He also served as a  director of the American  Bankers Association from 1986  to
1989  and serves as a member of the Board of Directors of Lincoln Security Bank.
He serves as ex-officio member of all bank committees.
 
    MICHAEL J. DELVIN.  Executive Officer  Delvin was employed by Security  Bank
in 1992 as VP/Loan Administrator. He was promoted to Executive Vice President in
1994.  Delvin was  previously employed by  First Interstate Bank  since 1972. He
serves on the Oregon Bankers Association Government Relations Committee and as a
director of OBA Services, Inc.
 
    E. SAMUEL  DEMENT.   Director  Dement  is  a Myrtle  Point,  Oregon,  cattle
rancher,  and  former Oregon  State Senator.  Dement's  family were  Coos County
pioneers and founders of Security Bank, in Myrtle Point, in 1919. As Chairman of
the Board of Directors, he serves as ex-officio member of all committees of  the
Board of Directors and is chairman of the Growth Committee.
 
                                       44
<PAGE>
    RALPH  W.  GAZELEY.   Director  Gazeley is  a  retired high  school teacher,
formerly employed by North  Bend School District. He  serves on Security  Bank's
Community Reinvestment Act and Audit Committees.
 
    DONALD L. GODDARD.  Director Goddard is a retired oil distributor and former
owner of Goddard Energy Company, in Bandon, Oregon. He serves on Security Bank's
Audit and Community Reinvestment Act Committees.
 
    THOMAS  R. GRAHAM.  Director Graham is  General Manager and Director of Coos
Head Builders Supply, Inc.,  in North Bend, Oregon,  where he has been  employed
since  1968. He  serves on  Security Bank's  Loan and  Audit Committees,  and is
Chairman of the Nominating Committee.
 
    KATHLEEN M. KERINS.   Director Kerins  is local manager  of Pacific Power  &
Light.  She serves  on Security  Bank's Compensation  & Benefits  and Nominating
Committees.
 
    WILLIAM  A.  LANSING.    Director  Lansing  is  Vice  President  of  Menasha
Corporation,  in  North Bend,  Oregon, where  he has  been employed  since 1970.
Lansing serves on the  Growth and Nominating Committees  and is Chairman of  the
Compensation and Benefits Committee.
 
    KENNETH  C.  MESSERLE.   Director Messerle  recently sold  his share  in the
family business of Messerle  & Sons, Inc., a  cattle and timber corporation,  in
Coos  County.  He is  currently in  the  process of  forming a  cattle brokerage
business, and is  a candidate for  State Representative. He  serves on  Security
Bank's  Loan and Growth Committees  and is Chairman of  the Audit Committee. Mr.
Messerle was recently appointed  to serve on the  board of directors of  Lincoln
Security Bank.
 
    ANTOINETTE  M. POOLE.   Executive  Officer Poole  serves as  Security Bank's
Senior Commercial Lending Officer and Loan Administrator. She has been  employed
by  the Bank  since 1976,  and currently  serves as  a trustee  of the Company's
Employee Stock Ownership  Plan. She  is a member  of the  American Institute  of
Banking and Financial Women International.
 
    HARRY  A. SLACK,  JR.   Director Slack,  of Coquille,  Oregon, is  a retired
Attorney, who practiced  law for 37  years. Currently he  is President of  Slack
Fisheries.  He serves on Security  Bank's Loan Committee and  is Chairman of the
Community Reinvestment Act Committee.
 
    GLENN A. THOMAS.   Director Thomas is  the owner of  Thomas & Son  Beverage,
Inc.,   and  its  subsidiaries,   Thomas  &  Son  Trucking   and  Thomas  &  Son
Transportation Systems, in Coos Bay, Oregon. He has been the Oregon Director for
the Rocky Mountain  Wholesalers Association,  a director and  officer of  Oregon
Beer   &  Wine  Distributors  Association,  and  a  director  of  National  Beer
Wholesalers. He serves  on Security  Bank's Loan, Compensation  & Benefits,  and
Growth Committees.
 
    MARC  C. WILLIAMS.  Executive Officer Williams has been a Vice President and
Controller of Security  Bank since  1994. He  was formerly  employed by  Jackson
County Federal Bank, FSB, and its successor, Key Bank of Oregon, since 1989.
 
EXECUTIVE COMPENSATION
 
    The following table sets forth compensation earned for the fiscal year ended
December  31,  1995 by  each  executive officer  of  the Company  receiving over
$100,000 of total compensation during such year:
 
<TABLE>
<CAPTION>
                                                                                       OTHER            TOTAL
NAME AND PRINCIPAL POSITION                                SALARY       BONUS    COMPENSATION (1)   COMPENSATION
- -------------------------------------------------------  -----------  ---------  -----------------  -------------
<S>                                                      <C>          <C>        <C>                <C>
Charles D. Brummel ....................................  $   110,585  $  56,838      $   4,787       $   172,210
President/Chief Executive Officer
Director
 
Michael J. Delvin .....................................  $    73,899  $  34,895         --           $   108,794
Executive Vice President
</TABLE>
 
- ------------------------
 
(1) Consisting of company provided auto.
 
                                       45
<PAGE>
    INCENTIVE CASH BONUS PLAN.  The Board of Directors of the Bank believes that
an incentive bonus  based on  earnings motivates  management to  perform at  the
highest  levels. Management performance  has a direct  impact on the short-range
and long-range profitability and viability  of the institution and an  incentive
bonus  promotes the  retention of  qualified management.  Directors also believe
that compensation  programs  with incentive  pay  as a  significant  portion  of
compensation  allow  base salaries  to remain  relatively constant,  even during
highly profitable  periods,  thereby containing  salary  costs during  any  less
profitable  periods. The management incentive bonus program is at the discretion
of the  Board. Specific  performance  levels and  awards  are developed  by  the
Compensation  Committee  of the  Board  and approved  annually  by the  Board of
Directors. For  1995,  the plan  provided  incentives for  the  three  executive
officers, Brummel, Delvin and Williams (Poole became an executive on December 1,
1995  and was therefore not  eligible for the 1995 plan).  The size of the total
incentive is determined by a formula based upon the earnings of the Bank with  a
threshold  level of return on equity of  9%. The three officers (Brummel, Delvin
and Williams) received 50%,  30% and 20% of  this total respectively during  the
course of the year.
 
    PHANTOM  STOCK DEFERRED COMPENSATION PLAN.   As of January 1, 1996, Security
Bank established  a  deferred  compensation  plan for  a  select  group  of  key
employees to provide for unfunded, non-qualified deferred compensation to assist
in  attracting and retaining such key  employees and to encourage such employees
to devote their best efforts to the  business of the bank. An eligible  employee
is  permitted to defer up to 20% of  that employee's base salary and 100% of any
cash bonus, and is required to defer not less than 2% of base salary and 20%  of
any  cash bonus. Deferred compensation is  credited to the participant's account
in the form  of Phantom Stock  Units, the  number of units  being determined  by
dividing  the amount of the compensation  deferred by the base price established
annually by the  Board of  Directors for that  Plan Year's  deferrals. The  base
price  of each unit  is the average of  the bid and ask  prices of the Company's
common stock  for the  last ten  trading days  of the  preceding calendar  year.
Distributions  to a participating  employee are made  in cash only  and are made
within  60  days  after  the  earlier  of  the  employee's  death,   disability,
termination of employment, change of control of the Company or the attainment of
the  age specified in the Plan agreement between the employee and Security Bank.
Upon distribution, the deferred compensation amount is valued by multiplying the
cumulative number of  Phantom Stock  Units by  the average  of the  bid and  ask
prices  of  Company common  stock on  the date  of distribution.  Currently, Mr.
Brummel is the only participant in the plan.
 
    SEVERANCE AGREEMENT.  In addition to Mr. Brummel's regular compensation, the
Bank has agreed to  pay him additional compensation  should his employment  with
the  Bank be  terminated under  certain conditions.  The severance  agreement is
effective only  if  Mr.  Brummel's employment  is  involuntarily  terminated  in
connection  with the  merger or sale  of the Bank  and/or the Company,  or if he
elects to terminate his employment within one  year of a merger or sale. In  the
event  of such a termination, the Bank has agreed to pay Mr. Brummel a sum equal
to twelve times his monthly base salary in  effect at the time of the merger  or
sale. The base salary includes monthly gross salary but does not include bonuses
or  other compensation, plus any deferred or unpaid portion of his annual bonus.
If the severance agreement had been triggered  as of June 30, 1996, Mr.  Brummel
would have been entitled to a payment of $149,279.
 
OTHER BENEFIT PLANS
 
    GENERAL.   The Company  believes that loyalty  and productivity of employees
are significantly enhanced  by the  existence of benefit  plans. Accordingly,  a
number  of benefit programs  are available to  all eligible employees, including
group medical plans, paid sick leave, paid vacation and group life insurance.
 
    EMPLOYEES'  SAVINGS  AND  PROFIT  SHARING  PLAN.    The  Bank  maintains  an
Employees' Savings and Profit Sharing Plan, dated effective January 1, 1978, and
amended and restated most recently in 1991, which serves as an incentive savings
plan for employees ("Savings Plan"). To participate, the employee must have been
employed  by the Bank for at least six  months and elect to contribute 2% to 10%
 
                                       46
<PAGE>
of the employee's total compensation. The Bank has in the past matched a portion
of each participant's contributions, but does not do so currently. Interests  in
the  Bank's contributions become fully vested after six years or in the event of
retirement, disability or  death. The  Savings Plan  is structured  to meet  the
qualification standards of Internal Revenue Code Section 401(k).
 
    STOCK   OPTION  PLAN.    The  Company   adopted  a  combined  incentive  and
non-qualified stock option plan (the "Plan") effective May 1, 1995, and approved
by the  shareholders at  the  annual shareholders  meeting  on March  20,  1996.
Pursuant  to the Plan, options may be granted  at the discretion of the Board of
Directors or such  committee as it  may designate, to  key employees,  including
employees who are directors of the Company.
 
    The  purpose of the plan is to advance  the interests of the Company and its
shareholders by  enabling the  Company to  attract and  retain the  services  of
people with training, experience and ability and to provide additional incentive
to  key employees and directors of the  Company by giving them an opportunity to
participate in the ownership of the Company.
 
    The Plan reserves 276,000 shares of the Company's unissued common stock  for
possible  grants  to  employees.  The purchase  price  of  shares  issuable upon
exercise of options is not less than 100% of the fair market value per  optioned
share  at  the  time  of  the  grant. Each  option  granted  under  the  plan is
exercisable for up to ten years following the date of grant.
 
    As of June 30, 1996, options  to purchase 96,600 shares, adjusted for  stock
dividends  and splits,  have been  granted pursuant  to the  Plan. The following
table sets forth information regarding  outstanding options granted pursuant  to
the  Plan, each of  which became exercisable as  to 20% of the  shares on May 1,
1996, and an additional 20% becoming exercisable each year thereafter.
 
OPTION GRANTS IN 1995.
 
    The following table sets forth information regarding options granted  during
1995:
 
<TABLE>
<CAPTION>
                                                  NUMBER OF    PERCENTAGE OF    EXERCISE
NAME                                               SHARES      TOTAL OPTIONS      PRICE      EXPIRATION DATE
- -----------------------------------------------  -----------  ---------------  -----------  ------------------
<S>                                              <C>          <C>              <C>          <C>
Charles D. Brummel.............................      69,000          71.4%      $    5.67       April 30, 2005
Michael J. Delvin..............................      27,600          28.6%      $    5.67       April 30, 2005
</TABLE>
 
    STOCK  AWARD PLAN.  Although not embodied  in a formal plan, the Company has
made a practice of issuing shares of  Common Stock as a bonus to employees  upon
their   fifth  anniversary  as  an  employee  and  each  subsequent  five  years
thereafter. At  that time  each employee  receives one  share for  each year  of
service  then  completed. The  program is  intended  to increase  the employee's
awareness of the Company's performance and instill an "ownership" commitment  to
the Company.
 
    EMPLOYEE  STOCK OWNERSHIP PLAN.  The Company  and the Bank have maintained a
retirement plan  known  as the  Security  Bank Holding  Company  Employee  Stock
Ownership  Plan (the "ESOP") that  is primarily invested in  the common stock of
the Company. The ESOP was established in 1986 and has been amended from time  to
time  to comply with the changes in the legal requirements for retirement plans.
Employees who are age 21 or older and have worked at least 1,000 hours during  a
year  will become  ESOP participants. Common  stock is  allocated to participant
accounts in the  ESOP each year,  based on the  amount of Company  contributions
made  and cash  dividends paid on  stock held  by the ESOP.  Participants do not
contribute to the ESOP. After two years of service, 20% of the amounts allocated
to a participant's account become "vested." An additional 20% becomes vested for
each additional year of service so that the participant is 100% vested in  their
account after 6 years of service.
 
    Stock  is acquired  by the  ESOP using  contributions made  by the  Bank and
revenues from investment income (primarily dividends). In addition, the ESOP has
acquired common stock from the Company in a number of separate transactions with
borrowed funds. In those transactions, the  shares were purchased at their  fair
market  value  at  the time  of  the  transactions and  were  pledged  to secure
repayment of  the loans.  The pledged  shares  are held  in an  ESOP  collateral
account until payments on
 
                                       47
<PAGE>
the  loans  are  made.  Shares  are released  from  the  collateral  account and
allocated to participant  accounts at the  end of each  plan year (December  31)
according to formulas prescribed by the Department of Labor.
 
    As  of June 30, 1996,  the total ESOP indebtedness, all  of which is owed to
the Company, equalled  $2,173,643, and the  ESOP trust held  a total of  978,728
shares  of the Company's common  stock, or 35.43% of  the total number of shares
outstanding. Of those shares,  456,257 (16.52% of  total outstanding) have  been
allocated to participant accounts. The remaining 522,471 shares (18.91% of total
outstanding)  are held in the collateral account. Both allocated and unallocated
shares are considered legally outstanding, may be voted by the ESOP trustees and
are entitled to receive dividends. The  ESOP trustees are generally required  to
vote  the shares in a manner that is  calculated to result in the best financial
return  to  the  ESOP  participants.  However,  ESOP  participants,  under   the
circumstances,  are entitled to  direct the trustees  on how to  vote the shares
allocated to their respective accounts.
 
    In four transactions between  1986 and 1993, the  Company's ESOP borrowed  a
total  of $1,394,800 from third party lenders,  which debt was guaranteed by the
Company, and used  the proceeds to  purchase a  total of 619,230  shares of  the
Common  Stock from the Company. Substantially all of the stock purchase proceeds
were contributed to the Bank to  increase its lending limits and strengthen  its
capital  position and ratios. On April 1,  1994, the ESOP borrowed $816,000 from
the Company and used the proceeds to  pay off the then remaining balance of  the
prior  loans.  The  outstanding balance  of  this  loan at  June  30,  1996, was
$644,000. The Company acquired the funds loaned  to the ESOP from a third  party
lender on comparable terms. Interest on such loan is payable quarterly at a rate
equal  to the  Reference Rate  announced from  time to  time by  Bank of America
Oregon, less 0.5%. Principal is payable by the Company annually each December 15
in varying  amounts. Payments  from the  ESOP to  the Company  are due  14  days
earlier.  The Company currently intends to prepay  its loan from the third party
lender, Bank of America Oregon, with  proceeds from the Offering. The ESOP  loan
to  the  Company  will remain  outstanding  until  paid in  accordance  with its
original terms.
 
    One purchase by the  ESOP of Company  common stock did  not involve a  third
party  lender. On December 22, 1993, the  ESOP purchased 365,355 shares of stock
from the Company for $1,583,205 and gave  a note in that amount to the  Company.
This  note requires  interest payments  quarterly at  a rate  equal to  the Wall
Street Journal  published  prime  rate,  adjusted  annually  each  December  15.
Principal is payable annually each December 15 in varying amounts through 2003.
 
    The Company accounts for its ESOP loan in accordance with SOP 93-6 issued by
the  American Institute  of Certified  Public Accountants.  The Bank  of America
Oregon loan is reflected on the Company's balance sheet as a liability, recorded
as "ESOP Debt." Neither of two loans  from the Company to the ESOP are  recorded
on  the balance  sheet of  the Company as  assets. In  order to  account for the
unallocated shares  acquired at  the time  of these  loans (shares  held in  the
collateral  account),  the  Company's  balance sheet  reflects  a  contra equity
account titled "Unallocated ESOP Shares" in an  amount equal to the cost of  the
shares.  Until released, the shares are  not treated as outstanding for purposes
of net income and book value per share calculations. Cash dividends paid by  the
Company on ESOP shares may be used by the ESOP to pay debt services on loans due
to  the Company. Dividends paid on unallocated shares do not directly affect the
Company's shareholders' equity, while dividends on allocated shares result in  a
reduction of retained earnings.
 
    As  shares  are  released  from  the  collateral  account  and  allocated to
participants, the Company reports compensation expense in an amount equal to the
then current market value of the shares less dividends on allocated shares  used
to pay debt service. However, the Company's tax deduction only equals the amount
of  ESOP contributions it makes and dividends used to pay ESOP debt or allocated
to participants, subject to an overall limitation. If the Company's stock  price
increases,  this accounting  treatment would have  the effect  of increasing the
charge to  income  for compensation  expense,  thus reducing  reported  earnings
without  a corresponding increase in the  amount deductible from taxable income.
Offsetting  for  balance  sheet  purposes  the  charge  against  income,  is   a
corresponding increase
 
                                       48
<PAGE>
to  the shareholder equity account by the  reduction in the unearned ESOP shares
account with the balance  accounted for as an  increase in surplus. The  neutral
effect on shareholders' equity is one of the results sought in adopting the ESOP
as  a benefit plan; the expense which provides a retirement benefit to employees
remains in the Company's equity since the contributions are invested in  Company
stock.
 
    Although  there  is a  dilutive effect  on  the book  value and  earnings of
existing shares when shares are released from the collateral account, accounting
treatment computes  earnings  per share  by  treating as  outstanding  only  the
allocated  ESOP shares,  and therefore has  the effect of  delaying any dilutive
effect until such shares are ultimately paid for and allocated.
 
    Unallocated shares held in the ESOP are released based upon the debt service
payment schedule under the  existing notes and are  to be allocated to  eligible
employees on December 31 of each year in the following amounts:
 
<TABLE>
<CAPTION>
YEAR                                                        SHARE RELEASES
- ----------------------------------------------------------  --------------
<S>                                                         <C>
1996......................................................        67,310
1997......................................................        68,923
1998......................................................        72,456
1999......................................................        74,724
2000......................................................        54,241
2001......................................................        57,649
2002......................................................        61,685
2003......................................................        65,483
                                                            --------------
TOTAL.....................................................       522,471
                                                            --------------
                                                            --------------
</TABLE>
 
DIRECTOR COMPENSATION
 
    Pursuant  to a Board of Directors  Merit Compensation Plan, directors of the
Company each  receive $300  in compensation  for each  meeting of  the Board  of
Directors  attended, and $100 for each committee meeting attended. Directors may
also receive shares of Company stock as additional compensation if the return on
average equity for the Company  exceeds 13%, with the  fair market value of  the
stock  to be issued to each director being a percentage of the cash compensation
otherwise earned by such director, ranging from a low of 15% (if a 13% return on
average equity is achieved) to a high of 110% of the cash compensation (if a 17%
return average equity is achieved).
 
RELATED TRANSACTIONS WITH DIRECTORS AND OFFICERS
 
    Some of the directors and officers of the Company and of Security Bank,  and
members  of their immediate families and  firms and corporations with which they
are associated, have had transactions  with Security Bank, including  borrowings
and  investments  in  time deposits.  All  such  loans and  investments  in time
deposits have been made in  the ordinary course of  business, have been made  on
substantially  the  same terms,  including interest  rates  paid or  charged and
collateral required, as those prevailing at the time for comparable transactions
with unaffiliated persons,  and did  not involve more  than the  normal risk  of
collectibility  or present other unfavorable features.  As of June 30, 1996, the
aggregate outstanding  amount  of  all  loans  to  officers  and  directors  was
approximately $1,055,669, which represented approximately 7.11% of the Company's
consolidated  shareholders' equity at that date. All such loans are currently in
good standing and are being paid in accordance with their terms.
 
                                       49
<PAGE>
                             PRINCIPAL SHAREHOLDERS
 
SHARE OWNERSHIP OF MANAGEMENT
 
    The  following table sets  forth as of  June 30, 1996,  the shares of common
stock beneficially owned by all of the directors and officers of the Company. As
of that date there  were 2,762,325 shares of  the Company's Common Stock  issued
and outstanding. All shares are held directly unless otherwise indicated.
 
<TABLE>
<CAPTION>
                                                                              NUMBER OF        PERCENT OF
NAME (1)                                                                        SHARES           CLASS
- ------------------------------------------------------------------------  ------------------  ------------
<S>                                                                       <C>                 <C>
Charles D. Brummel (Director/Officer) (2)...............................        39,964(2)           1.45%
Michael J. Delvin (Officer) (3).........................................         2,187(3)           0.08%
E. Samuel Dement (Director) (4).........................................        81,126(4)           2.94%
Ralph W. Gazeley (Director) (5).........................................        75,657(5)           2.74%
Donald L. Goddard (Director) (6)........................................        27,240(6)           0.99%
Thomas R. Graham (Director) (7).........................................         1,561(7)           0.06%
William A. Lansing (Director) (8).......................................        12,219(8)           0.44%
Kenneth C. Messerle (Director) (9)......................................         2,000(9)           0.07%
Antoinette M. Poole (Officer) (10)......................................       978,967(10)         35.44%
Harry A. Slack, Jr. (Director) (11).....................................        17,714(11)          0.64%
Glenn A. Thomas (Director) (12).........................................         1,500(12)          0.05%
Marc C. Williams (Officer)..............................................          --                0.00%
All Directors and Executive Officers as a Group
 (12 persons)...........................................................     1,201,009(2)(12)      43.48%
</TABLE>
 
- ------------------------
(1)  The business address of all directors and officers is 170 S. Second Street,
    Coos Bay, Oregon 97420.
 
(2) Charles D. Brummel's holdings include 3,025 shares held jointly with  spouse
    and  36,939  shares  vested in  the  ESOP  (93 of  which  vested  shares are
    allocated to Mr. Brummel's spouse who is also an employee of Security Bank).
 
(3) Michael J. Delvin holds 5,474 shares  in the ESOP, 2,187 of which have  been
    vested as of this date.
 
(4) E. Samuel Dement's shares are held jointly with his spouse.
 
(5) Ralph W. Gazeley's shares are held in a Gazeley Revocable Living Trust.
 
(6)  Donald L.  Goddard's holdings include  25,896 shares held  jointly with his
    spouse.
 
(7) Thomas R. Graham's holdings include 72 shares held jointly with his spouse.
 
(8) William A. Lansing's shares are held jointly with his spouse.
 
(9) Kenneth C. Messerle's  holdings include 1,922 shares  held jointly with  his
    spouse and 78 shares held jointly with his grandchildren.
 
(10) Antoinette M. Poole is a Trustee of the ESOP, all of whose shares (978,728)
    are  included herein. Individually,  she holds 239  shares and 15,943 shares
    vested in the ESOP.
 
(11) Harry A. Slack, Jr.'s holdings  include 2,413 shares held jointly with  his
    spouse,  2,647 held in the Slack Marital Fund Trust, 3,652 held in the Slack
    Residuary Fund Trust, and 9,000 shares held jointly with his mother.
 
(12) Glenn A. Thomas' shares are held jointly with his spouse.
 
                                       50
<PAGE>
    The following table sets  forth as of  June 30, 1996,  the shares of  common
stock  beneficially owned by the  only persons known to own  more than 5% of the
Company's Common Stock.
 
<TABLE>
<CAPTION>
                                                                                  NUMBER OF     PERCENT OF
NAME AND ADDRESS                                                                   SHARES         CLASS
- ------------------------------------------------------------------------------  -------------  ------------
<S>                                                                             <C>            <C>
Ronald C. La Franchi..........................................................     510,866          18.49%
    580 North Central
    Coquille, OR 97423
 
Security Bank Holding Company
 Employee Stock Ownership Plan Trust (2)......................................     978,728(1)       35.43%
    170 S. Second Street
    Coos Bay, Oregon 97420
</TABLE>
 
- ------------------------
(1) Includes 522,471 shares held of record by the Security Bank Holding  Company
    Employee Stock Ownership Plan Trust which are not allocated to employees and
    are pledged to secure repayment of indebtedness to the Company.
 
(2) Trustees of the Trust are appointed by the Board of Directors of the Company
    and  currently  consists of  Martin Stone,  attorney, Coquille,  Oregon, Tim
    Salisbury, Chief Financial Officer of  Bay Area Hospital, and Antoinette  M.
    Poole,  Senior Vice President/Loan Administrator  with the Bank, North Bend,
    Oregon.
 
                          DESCRIPTION OF COMMON STOCK
 
SHARES AUTHORIZED AND OUTSTANDING OR SUBJECT TO OPTION
 
    The Articles of Incorporation of the Company authorize the issuance of up to
20 million shares of stock, divided into three classes as follows:
 
    1.  10,000,000 shares of Common Stock having a par value of $5.00 per share.
As of June  30, 1996, there  were 2,762,270  shares of Common  Stock issued  and
outstanding.
 
    2.   5,000,000 shares of Voting Preferred  Stock having a par value of $5.00
per share, none of which is issued.
 
    3.  5,000,000  shares of Non-voting  Preferred Stock having  a par value  of
$5.00  per share, none of which is issued. Non-voting stock has no voting rights
except as provided by Oregon law.
 
    Subject to  the  rights of  holders  of any  preferred  stock which  may  be
outstanding,  the holders of the Common  Stock are entitled to receive dividends
if and when declared by the Board of Directors from any funds legally  available
therefor.  See "Supervision and Regulation -- Dividends." Each outstanding share
of Common Stock has the same relative rights and preferences as each other share
of Common Stock, including the rights to the net assets of the corporation  upon
liquidation.  Each share is entitled to one  vote on matters submitted to a vote
of shareholders.  Holders  of  Common  Stock are  not  entitled  to  conversion,
redemption  or preemptive rights and  may not cumulate votes  in the election of
directors.
 
    All issued and outstanding shares are, and  all shares to be issued in  this
offering  will  be, fully  paid and  non-assessable. The  Board of  Directors is
authorized to issue  or sell  additional capital stock  of the  Company, at  its
discretion  and for  fair value,  and to issue  future cash  or stock dividends,
without subsequent shareholder approval.
 
    A total of 276,000  shares of Common Stock  have been reserved for  issuance
under  the Company's combined incentive and  non-qualified stock option plan, of
which 96,600 shares were subject to options as of June 30, 1996. See "Management
- -- Other Benefit Plans."
 
    The Company's Employee Stock Ownership Plan Trust currently holds a total of
978,728 shares of the Company's common stock,  or 35.43% of the total number  of
shares outstanding. Of those
 
                                       51
<PAGE>
shares,  522,471 are not yet allocated  to employees. The unallocated shares are
considered legally  outstanding,  may  be  voted and  are  entitled  to  receive
dividends.  However, the unallocated  shares are excluded  for certain financial
statement purposes. See "Management -- Other Benefit Plans."
 
    The Board of Directors  is expressly authorized  to designate by  resolution
one  or more  series of preferred  stock, voting  or non-voting, and  to fix and
determine the relative rights and preferences of the designated series, subject,
however, to the limitation that, unless required by law, the preferred stock has
no voting rights. The Board has not designated any series of preferred stock  at
this  time, and has no present intention of doing so or of issuing any preferred
stock.
 
SHARES AVAILABLE FOR TRADING
 
    Exclusive of shares held by the ESOP, directors and executive officers  hold
222,281 shares of Common Stock (8.05% of all shares outstanding). As a condition
to  the Offering,  each will agree  that they will  not sell any  shares held or
controlled by them in the open market for a period of 180 days after the Closing
of the Offering without the prior written approval of Black & Company, Inc., the
Underwriter in this Offering. Upon expiration  of the 180 day period, resale  of
shares  held by executive  officers and directors will  be restricted by certain
terms of Rule 144 promulgated by the Securities and Exchange Commission.
 
    The allocated,  unencumbered  shares held  by  the Company's  ESOP  (456,257
shares  representing 16.52% of the total  outstanding) are available for sale in
the trading markets; however, the primary purpose of the ESOP is to hold  shares
of  the Company. Nonetheless, the trustees could determine to sell some of these
shares in the exercise of their  fiduciary duty. As employees retire, leave  the
Bank or are otherwise entitled to distribution from the ESOP and if the trustees
elect  to  issue  to  the  participant  Company  shares  rather  than  pay  such
participant cash equal to  the fair market value  of the allocated shares,  such
participant (other than executive officers) would be free to sell such shares in
the open markets.
 
    All  remaining shares,  including those  held by  Ronald C.  La Franchi, the
Company's largest individual shareholder, are  available for sale; however,  Mr.
La  Franchi may be considered an affiliate of the Company based upon the size of
his holdings, and if so considered, the  volume and terms of his sales would  be
restricted by the provisions of Rule 144 under the Securities Act of 1933.
 
ANTI-TAKEOVER PROVISIONS
 
    The  Company  is subject  to the  Oregon Control  Share Act  (Oregon Revised
Statutes Sections 60.801-60.816)(the "Control Share Act"). The Control Share Act
generally provides that a  person (the "Acquiring  Person") who acquires  voting
stock  of an Oregon corporation in a transaction which results in such Acquiring
Person holding more than 20%, 33 1/3% or  50% of the total voting power of  such
corporation  (a "Control Share Acquisition") cannot  vote the shares it acquires
in the Control  Share Acquisition  ("control shares") unless  voting rights  are
accorded  to such control shares by the holders of a majority of the outstanding
voting shares, excluding  the control shares  held by the  Acquiring Person  and
shares  held  by  the  Company's  officers  and  inside  directors  ("interested
shares"), and by  the holders of  a majority of  the outstanding voting  shares,
including interested shares. The foregoing vote would be required at the time an
Acquiring  Person's holdings exceed 20% of the  total voting power of a company,
and again at the time  the Acquiring Person's holdings  exceed 33 1/3% and  50%,
respectively.  The term "Acquiring Person" is broadly defined to include persons
acting as a group.  A transaction in  which voting power  is acquired solely  by
receipt  of an immediately revocable proxy  does not constitute a "Control Share
Acquisition."
 
    The Acquiring Person may, but is not  required to, submit to the Company  an
"Acquiring  Person  Statement"  setting  forth  certain  information  about  the
Acquiring Person and its plans with respect to the Company. The Acquiring Person
Statement  may  also  request  that  the  Company  call  a  special  meeting  of
shareholders  to determine whether the control  shares will be allowed to retain
voting rights. If  the Acquiring Person  does not request  a special meeting  of
shareholders, the issue of voting
 
                                       52
<PAGE>
rights  of  control shares  will be  considered  at the  next annual  meeting or
special meeting of shareholders that is held more than 60 days after the date of
the Control  Share Acquisition.  If the  Acquiring Person's  control shares  are
accorded  voting rights and  represent a majority  or more of  all voting power,
shareholders who do not vote in favor  of the restoration of such voting  rights
will have the right to receive the appraised "fair value" of their shares, which
may  not be less than  the highest price paid per  share by the Acquiring Person
for the control shares.
 
    Upon completion of this  offering, the Company also  will become subject  to
the   Oregon  Business   Combination  Act  (Oregon   Revised  Statutes  Sections
60.825-60.845)(the "Business  Combination Act").  The Business  Combination  Act
generally  provides that in the event a person or entity acquires 15% or more of
the voting stock  of an  Oregon corporation (an  "Interested Shareholder"),  the
corporation  and the Interested  Shareholder, or any  affiliated entity, may not
engage in certain business combination transactions for a period of three  years
following  the  date  the  person  became  an  Interested  Shareholder. Business
combination transactions for this purpose include (a) a merger or plan of  share
exchange,  (b) any sale, lease,  mortgage or other disposition  of the assets of
the corporation where the assets have an aggregate market value equal to 10%  or
more  of the aggregate  market value of the  corporation's assets or outstanding
capital stock,  and (c)  certain transactions  that result  in the  issuance  of
capital   stock  of  the  corporation   to  the  Interested  Shareholder.  These
restrictions do not apply if (i) the Interested Shareholder, as a result of  the
transaction in which such person became an Interested Shareholder, owns at least
85%  of the  outstanding voting  stock of  the corporation  (disregarding shares
owned by directors who are also  officers, and certain employee benefit  plans),
(ii)  the  Board  of  Directors  approves  the  share  acquisition  or  business
combination before  the  Interested Shareholder  acquired  15% or  more  of  the
corporation's  voting stock, or (iii) the Board  of Directors and the holders of
at  least  two-thirds  of  the  outstanding  voting  stock  of  the  corporation
(disregarding   shares  owned   by  the  Interested   Shareholder)  approve  the
transaction after  the  Interested  Shareholder  acquires 15%  or  more  of  the
corporation's voting stock.
 
    The  Control Share Act and the Business Combination Act will have the effect
of encouraging any potential acquiror to  negotiate with the Company's Board  of
Directors  and  will also  discourage certain  potential acquirors  unwilling to
comply with  its  provisions. A  corporation  may  provide in  its  articles  of
incorporation  or  bylaws that  the laws  described  above do  not apply  to its
shares. The Company  has not  adopted such a  provision and  does not  currently
intend  to do so. The law may make the Company less attractive for takeover, and
thus shareholders may not benefit from a  rise in the price of the Common  Stock
that  a takeover  could cause. The  limitations of  the Acts are  in addition to
regulatory restrictions  on acquisitions  of  stock of  banks and  bank  holding
companies under the federal Bank Holding Company Act.
 
    In  addition  to the  statutory  provisions discussed  above,  the Company's
articles of incorporation and bylaws contain certain provisions that could  make
more  difficult the acquisition of the Company by means of a tender offer, proxy
contest, merger  or  otherwise.  The articles  of  incorporation  authorize  the
issuance  of up to  5,000,000 shares of voting  preferred stock, which, although
intended primarily as a financing tool  and not as a defense against  takeovers,
could  potentially  be  used  by management  to  make  more  difficult uninvited
attempts to  acquire  control of  the  Company  by, for  example,  diluting  the
ownership  interest of  a substantial shareholder,  increasing the consideration
necessary to effect an acquisition, or selling authorized but unissued shares to
a friendly third party. In addition, the articles of incorporation authorize the
issuance of warrants, rights, options or other obligations convertible into,  or
entitling  the holder  thereof, to  purchase shares of  any class  of stock, the
issuance of which may also have the effect of diluting the ownership interest of
a shareholder or increasing the consideration necessary to effect an acquisition
of a controlling interest in the Company.
 
    The Company's  bylaws provide  for a  staggered board  of directors  whereby
approximately  one-third of  the director positions  are filled  each year. This
provision makes it  more difficult  for a  dissident shareholder  to remove  the
entire  board of directors at one time. Such  a provision may have the effect of
discouraging  potential  acquirors,  and  may  be  considered  an  anti-takeover
defense.
 
                                       53
<PAGE>
                                  UNDERWRITING
 
    The  Underwriter,  Black &  Company, Inc.  has agreed  to purchase  from the
Company 350,000 shares of Common Stock, subject to the terms and conditions  set
forth in the Underwriting Agreement. The Underwriting Agreement provides for the
obligation  of the Underwriter to  pay for and accept  delivery of the shares of
Common Stock subject to certain  conditions precedent, and that the  Underwriter
will  be obligated to purchase  all of the shares offered  if any of such shares
are purchased. Pursuant to the  Underwriting Agreement, the Company has  granted
to  Black & Company, Inc., an option  to purchase as additional 52,500 shares on
the same terms and conditions as the  other shares being offered solely for  the
purpose of covering over-allotments.
 
    The Underwriter proposes to offer the shares of Common Stock directly to the
public  at  the initial  public offering  price set  forth on  the cover  of the
Prospectus.
 
    The  Company  has  agreed  to  indemnify  the  Underwriter  against  certain
liabilities, including liabilities under the Securities Act of 1933 (the "Act").
The  Underwriter has been granted the option,  for a period of three years after
the closing of this offering, to sell for  the account of the Company or any  of
its  senior officers, any securities of the Company that may be offered for sale
by them. For a  period of 180  days after the effective  date of this  Offering,
each  of the  Company's directors  has agreed not  to sell,  assign or otherwise
transfer any of  their previously  acquired shares  of the  Company without  the
Underwriter's consent.
 
    The  following persons  are directors and  officers of  the Underwriter. The
business address of each person listed is Black & Co., Inc., One S.W.  Columbia,
Suite 1200, Portland, Oregon 97258:
 
<TABLE>
<S>                    <C>
Herbert D. Black       John F. Lillicrop
Lawrence S. Black      Laurie R. Miller
Kevin M. Director      Dennis B. Reiter
Theresa C. Duffy       Jeffrey L.
William E. Frerichs    Salzwedel
Jennifer Black Groves  Ronald A. Sauer
                       Thomas M. Savinar
</TABLE>
 
                                 LEGAL MATTERS
 
    Certain legal matters will be passed upon for the Company by Foster Pepper &
Shefelman,  101  S.W. Main,  15th  Floor, Portland,  Oregon  97204, and  for the
Underwriter by Ater Wynne Hewitt Dodson & Skerritt LLP, Suite 1800 KOIN  Center,
222 S.W. Columbia, Portland, Oregon 97201.
 
                                    EXPERTS
 
    The  consolidated financial statements of  Security Bank Holding Company and
subsidiaries at December  31, 1994  and 1995,  and for  each of  the years  then
ended,  have been included in this Prospectus in reliance on the reports of KPMG
Peat Marwick  LLP,  independent  certified  public  accountants,  given  on  the
authority of said firm as experts in auditing and accounting. Such report refers
to a change in accounting for investments in debt and equity securities.
 
                                 TRANSFER AGENT
 
    The Transfer Agent for the Common Stock of the Company is Security Bank, its
subsidiary.
 
          SECURITIES AND EXCHANGE COMMISSION POLICY ON INDEMNIFICATION
                         FOR SECURITIES ACT LIABILITIES
 
    Insofar  as indemnification for liabilities arising under the Securities Act
of 1933 (the  "Act") may  be permitted  to directors,  officers and  controlling
persons of the Company pursuant to the Company's
 
                                       54
<PAGE>
Articles of Incorporation, contractual agreements, or otherwise, the Company has
been  advised  that in  the opinion  of the  Securities and  Exchange Commission
("SEC") such indemnification is  against public policy as  expressed in the  Act
and is, therefore, unenforceable.
 
                             ADDITIONAL INFORMATION
 
    The  Company has filed  a registration statement  on Form SB-1  with the SEC
under the  Act  with  respect to  the  Common  Stock being  offered  hereby.  As
permitted  by the  rules and  regulations of the  SEC, this  Prospectus does not
contain all of  the information  set forth  in the  Registration Statement.  For
further  information with  respect to the  Company and the  Common Stock offered
hereby, reference is made to the  Registration Statement, which may be  obtained
from  the Public  Reference Section  of the  SEC at  Judiciary Plaza,  450 Fifth
Street, N.W., Washington, D.C. 20459. Statements contained in this Prospectus as
to the contents of any contract  or other document are not necessarily  complete
and,  in  such instance,  reference  is made  to the  copy  of such  contract or
document filed as an exhibit to the Registration Statement, each such  statement
being qualified in all respects by such reference.
 
                                       55
<PAGE>
                                    INDEX TO
                       CONSOLIDATED FINANCIAL STATEMENTS
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
Independent Auditors' Report..............................................   F-2
 
Consolidated Balance Sheets at December 31, 1994 and 1995 and at June 30,
 1996 (unaudited).........................................................   F-4
 
For the Years Ended December 31, 1994 and 1995 and for the Six Months
 Ended June 30, 1995 and 1996 (unaudited):
 
Consolidated Statements of Income.........................................   F-6
 
  Consolidated Statements of Shareholders' Equity.........................   F-7
 
  Consolidated Statements of Cash Flows...................................   F-8
 
  Notes to Consolidated Financial Statements..............................   F-9
</TABLE>
 
                                      F-1
<PAGE>
                                     [LOGO]
 
                          INDEPENDENT AUDITORS' REPORT
 
The Board of Directors and Shareholders
Security Bank Holding Company:
 
    We  have audited  the accompanying  consolidated balance  sheets of Security
Bank Holding Company and Subsidiaries as of December 31, 1994 and 1995, and  the
related  consolidated statements of income, shareholders' equity, and cash flows
for the  years  then ended.  These  consolidated financial  statements  are  the
responsibility  of the Company'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 financial  position of Security
Bank Holding Company and Subsidiaries as of December 31, 1994 and 1995, and  the
results  of their operations  and their cash  flows for the  years then ended in
conformity with generally accepted accounting principles.
 
    As discussed in note  1 to the consolidated  financial statements, the  Bank
changed  its method of accounting for certain debt and equity securities in 1994
to adopt the provisions of the Financial Accounting Standards Board's  Statement
of  Financial  Accounting  Standards  (SFAS) No.  115,  "Accounting  for Certain
Investments in Debt and Equity Securities".
 
                                                  KPMG PEAT MARWICK LLP
 
Portland, Oregon
January 19, 1996
 
                                      F-2
<PAGE>
                 (This page has been left blank intentionally.)
 
                                      F-3
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
                          CONSOLIDATED BALANCE SHEETS
                                     ASSETS
 
<TABLE>
<CAPTION>
                                                          DECEMBER 31,
                                                  ----------------------------    JUNE 30,
                                                      1994           1995           1996
                                                  -------------  -------------  -------------
                                                                                 (UNAUDITED)
<S>                                               <C>            <C>            <C>
Cash and cash equivalents:
 
  Cash and due from banks (notes 2 and 15)......  $   4,217,071  $   5,012,995  $   4,454,948
 
  Federal funds sold............................      1,057,686      3,083,714        740,774
                                                  -------------  -------------  -------------
 
      Total cash and cash equivalents...........      5,274,757      8,096,709      5,195,722
 
Time deposits -- domestic financial
 institutions...................................      1,649,681        549,741        370,060
 
Investment securities available for sale (note
 3).............................................     24,585,468     58,227,575     70,028,458
 
Investment securities held to maturity (notes 3
 and 15)........................................     29,274,692       --             --
 
Loans, net (notes 4, 5 and 15)..................     72,457,969     76,911,398     80,571,952
 
Mortgage loans held for sale, at cost which
 approximates market (note 4)...................      1,464,034      2,616,032      1,419,192
 
Net investment in direct financing leases (note
 6).............................................      2,051,152      3,541,804      3,630,902
 
Premises and equipment, net (note 7)............      3,261,184      3,241,153      3,281,482
 
Federal Home Loan Bank stock, at cost (note
 15)............................................      1,563,700      1,494,600      1,753,600
 
Other assets....................................      3,987,922      3,909,321      3,816,883
                                                  -------------  -------------  -------------
 
      Total assets..............................  $ 145,570,559  $ 158,588,333  $ 170,068,251
                                                  -------------  -------------  -------------
                                                  -------------  -------------  -------------
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
                                      F-4
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
                    CONSOLIDATED BALANCE SHEETS (CONTINUED)
            LIABILITIES, MINORITY INTEREST AND SHAREHOLDERS' EQUITY
 
<TABLE>
<CAPTION>
                                                          DECEMBER 31,
                                                  ----------------------------    JUNE 30,
                                                      1994           1995           1996
                                                  -------------  -------------  -------------
                                                                                 (UNAUDITED)
<S>                                               <C>            <C>            <C>
 
Liabilities:
  Deposits:
    Demand......................................  $  18,468,585  $  19,492,203  $  19,506,213
    Interest-bearing demand.....................      1,909,217      2,415,886      2,741,564
    NOW accounts................................     22,729,504     21,485,781     20,625,964
    Money market accounts.......................     15,241,288     15,368,474     17,635,797
    Savings accounts............................     16,993,234     15,363,678     15,028,617
    Time deposits (note 9)......................     45,776,327     53,164,393     58,262,915
                                                  -------------  -------------  -------------
      Total deposits............................    121,118,155    127,290,415    133,801,070
Securities sold under agreements to repurchase
 (notes 3 and 8)................................      2,812,800      2,874,619      5,083,511
ESOP debt (note 10).............................        733,000        644,000        644,000
Short-term borrowings...........................        510,200        500,937        659,049
Federal Home Loan Bank borrowings (note 15).....      8,785,700     11,500,000     13,720,500
Other liabilities...............................        981,908      1,406,508      1,308,170
                                                  -------------  -------------  -------------
      Total liabilities.........................    134,941,763    144,216,479    155,216,300
                                                  -------------  -------------  -------------
Minority interest in subsidiary.................       --             --              962,702
                                                  -------------  -------------  -------------
 
Shareholders' equity:
  Nonvoting preferred stock, $5 par value.
   Authorized 5,000,000 shares; none issued.....       --             --             --
  Voting preferred stock, $5 par value.
   Authorized 5,000,000 shares; none issued.....       --             --             --
  Common stock, $5 par value. Authorized
   10,000,000 shares; issued and outstanding
   2,762,195 shares (2,761,967 shares in 1994
   and 2,762,325 shares at June 30, 1996) (note
   1)...........................................     13,809,835     13,810,975     13,811,625
  Surplus.......................................       (145,042)           965        164,862
  Retained earnings (note 11)...................        144,730      1,688,954      2,289,352
  Unearned ESOP shares at cost (note 1).........     (2,203,078)    (1,980,914)    (1,853,314)
  Unrealized (loss) gain on investment
   securities available for sale (note 1).......       (977,649)       851,874       (523,276)
                                                  -------------  -------------  -------------
      Total shareholders' equity................     10,628,796     14,371,854     13,889,249
Commitments and contingent liabilities (note
 12)............................................
                                                  -------------  -------------  -------------
      Total liabilities, minority interest and
       shareholders' equity.....................  $ 145,570,559  $ 158,588,333  $ 170,068,251
                                                  -------------  -------------  -------------
                                                  -------------  -------------  -------------
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
                                      F-5
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
                       CONSOLIDATED STATEMENTS OF INCOME
 
<TABLE>
<CAPTION>
                                                                    YEARS ENDED           SIX-MONTH PERIODS
                                                                    DECEMBER 31,            ENDED JUNE 30,
                                                              ------------------------  ----------------------
                                                                 1994         1995         1995        1996
                                                              -----------  -----------  ----------  ----------
                                                                                        (UNAUDITED) (UNAUDITED)
<S>                                                           <C>          <C>          <C>         <C>
Interest income:
  Interest on loans.........................................  $ 6,718,679  $ 8,127,412  $4,024,719  $4,154,819
  Interest and dividends on securities:
    Taxable.................................................    2,262,027    2,340,964   1,199,802   1,488,136
    Exempt from Federal income taxes........................      851,311      971,872     474,937     510,099
    Interest on time deposits -- domestic financial
     institutions...........................................       77,375       60,785      34,702      12,327
    Dividend income on Federal Home Loan Bank stock.........       78,528       99,156      55,683      66,786
    Interest on Federal funds sold..........................       80,011      108,857      18,342      78,859
    Income on direct financing leases.......................      135,023      247,626      99,561     169,385
                                                              -----------  -----------  ----------  ----------
      Total interest income.................................   10,202,954   11,956,672   5,907,746   6,480,411
                                                              -----------  -----------  ----------  ----------
 
Interest expense:
  Deposits:
    Interest-bearing demand.................................       57,354       68,664      34,290      46,759
    NOW.....................................................      264,255      268,083     127,888     111,189
    Money market............................................      369,441      474,658     207,418     286,515
    Savings.................................................      423,608      411,371     200,003     192,650
    Time (note 9)...........................................    1,547,641    2,388,050   1,113,932   1,478,901
  Securities sold under agreements to repurchase (note 8)...      104,370      151,772      81,506      80,134
  ESOP debt.................................................       40,296       62,731      33,589      27,057
  Short-term borrowings.....................................       16,012       23,197      11,001      11,007
  Federal Home Loan Bank borrowings.........................      311,476      572,669     337,873     390,823
                                                              -----------  -----------  ----------  ----------
      Total interest expense................................    3,134,453    4,421,195   2,147,500   2,625,035
                                                              -----------  -----------  ----------  ----------
      Net interest income...................................    7,068,501    7,535,477   3,760,246   3,855,376
Provision for loan losses (note 5)..........................      200,000      160,000      95,000      90,000
                                                              -----------  -----------  ----------  ----------
      Net interest income after provision for loan losses...    6,868,501    7,375,477   3,665,246   3,765,376
                                                              -----------  -----------  ----------  ----------
 
Other income:
  Service charges on deposit accounts.......................      847,362      910,208     457,922     474,087
  Gain (loss) on sales of investment securities available
   for sale, net............................................     (168,155)      12,517       4,076      18,492
  Loan servicing fees.......................................      262,619      305,671     120,915     161,304
  Sold real estate loan fees................................      627,882      610,757     241,725     484,311
  Other.....................................................      390,937      405,293     215,352     260,618
                                                              -----------  -----------  ----------  ----------
      Total other income....................................    1,960,645    2,244,446   1,039,990   1,398,812
                                                              -----------  -----------  ----------  ----------
 
Other expense:
  Salaries and employee benefits............................    3,554,272    3,933,862   1,917,263   2,335,073
  Occupancy of bank premises................................      417,193      404,785     200,782     207,956
  Furniture and equipment...................................      442,583      604,558     274,451     342,389
  Professional fees.........................................      362,211      408,231     205,763     245,614
  FDIC assessment...........................................      246,156      136,728     132,596       2,000
  Supplies..................................................      247,750      288,093     156,038     117,304
  Other.....................................................    1,121,903    1,346,557     736,608     808,718
                                                              -----------  -----------  ----------  ----------
      Total other expense...................................    6,392,068    7,122,814   3,623,501   4,059,054
                                                              -----------  -----------  ----------  ----------
      Income before provision for income taxes..............    2,437,078    2,497,109   1,081,735   1,105,134
Provision for income taxes (note 13)........................      761,700      633,000     323,000     280,000
                                                              -----------  -----------  ----------  ----------
      Net income............................................  $ 1,675,378  $ 1,864,109  $  758,735  $  825,134
                                                              -----------  -----------  ----------  ----------
                                                              -----------  -----------  ----------  ----------
      Net income per share (note 1).........................  $       .77  $       .83  $      .35  $      .36
                                                              -----------  -----------  ----------  ----------
                                                              -----------  -----------  ----------  ----------
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
                                      F-6
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
                CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
                     YEARS ENDED DECEMBER 31, 1994 AND 1995
                    AND SIX-MONTH PERIOD ENDED JUNE 30, 1996
 
<TABLE>
<CAPTION>
                                                                                          UNEARNED    UNREALIZED
                                              COMMON STOCK                                  ESOP         GAIN         TOTAL
                                         ----------------------              RETAINED      SHARES,     (LOSS) ON   SHAREHOLDERS'
                                          SHARES      AMOUNT      SURPLUS    EARNINGS      AT COST    SECURITIES      EQUITY
                                         ---------  -----------  ---------  -----------  -----------  -----------  ------------
<S>                                      <C>        <C>          <C>        <C>          <C>          <C>          <C>
Balance, December 31, 1993.............  2,761,577  $13,807,885  $(260,110) $(1,246,558) $(2,387,883) $  (296,631)  $9,616,703
Net income.............................     --          --          --        1,675,378      --           --         1,675,378
Dividends..............................     --          --          --         (284,090)     --           --          (284,090)
Sale of common stock...................        399        1,995       (317)     --           --           --             1,678
Redemption of common stock.............         (9)         (45)         2      --           --           --               (43)
Release of ESOP shares.................     --          --         115,383      --           184,805      --           300,188
Unrealized loss on securities available
 for sale..............................     --          --          --          --           --          (681,018)    (681,018)
                                         ---------  -----------  ---------  -----------  -----------  -----------  ------------
Balance, December 31, 1994.............  2,761,967   13,809,835   (145,042)     144,730   (2,203,078)    (977,649)  10,628,796
Net income.............................     --          --          --        1,864,109      --           --         1,864,109
Dividends..............................     --          --          --         (319,885)     --           --          (319,885)
Sale of common stock...................        273        1,365        291      --           --           --             1,656
Redemption of common stock.............        (45)        (225)        62      --           --           --              (163)
Release of ESOP shares.................     --          --         145,654      --           222,164      --           367,818
Unrealized gain on securities available
 for sale..............................     --          --          --          --           --         1,829,523    1,829,523
                                         ---------  -----------  ---------  -----------  -----------  -----------  ------------
Balance, December 31, 1995.............  2,762,195   13,810,975        965    1,688,954   (1,980,914)     851,874   14,371,854
Unaudited:
  Net income...........................     --          --          --          825,134      --           --           825,134
  Dividends............................     --          --          --         (224,736)     --           --          (224,736)
  Sale of common stock.................        130          650        383      --           --           --             1,033
  Release of ESOP shares...............     --          --         163,514      --           127,600      --           291,114
  Unrealized loss on securities
   available for sale..................     --          --          --          --           --        (1,375,150)  (1,375,150)
                                         ---------  -----------  ---------  -----------  -----------  -----------  ------------
Balance at June 30, 1996 (unaudited)...  2,762,325  $13,811,625  $ 164,862  $ 2,289,352  $(1,853,314) $  (523,276)  $13,889,249
                                         ---------  -----------  ---------  -----------  -----------  -----------  ------------
                                         ---------  -----------  ---------  -----------  -----------  -----------  ------------
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
                                      F-7
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
 
<TABLE>
<CAPTION>
                                                                             YEARS ENDED              SIX-MONTH PERIODS
                                                                             DECEMBER 31,               ENDED JUNE 30,
                                                                      --------------------------  --------------------------
                                                                          1994          1995          1995          1996
                                                                      ------------  ------------  ------------  ------------
                                                                                                  (UNAUDITED)   (UNAUDITED)
<S>                                                                   <C>           <C>           <C>           <C>
Cash flows provided by operating activities:
  Net income........................................................  $  1,675,378  $  1,864,109  $    758,735  $    825,134
  Adjustments to reconcile net income to net cash provided by
   operating activities:
    Depreciation and amortization...................................       589,600       643,626       323,860       300,847
    Provision for loan losses.......................................       200,000       160,000        95,000        90,000
    Origination of mortgage loans held for sale.....................   (20,133,917)  (32,076,359)  (11,313,171)  (28,387,693)
    Proceeds from mortgage loans sold...............................    22,465,660    30,924,361    11,141,574    29,584,533
    Net (gain) loss on sale of fixed assets.........................          (679)         (573)       (1,238)       11,214
    Net gain on call of investment securities held to maturity......        (1,841)       (2,783)      --            --
    Net (gain) loss on sale of investment securities available for
     sale...........................................................       168,155       (12,517)       (4,076)      (18,492)
    Federal Home Loan Bank stock dividend...........................       (90,300)      (98,900)      (55,500)      (66,600)
    ESOP related compensation expense...............................       300,188       367,818       173,962       291,114
    Decrease (increase) in other assets.............................      (534,306)       78,601       (55,252)       92,438
    (Decrease) increase in other liabilities........................      (322,906)     (298,365)        2,138       660,749
                                                                      ------------  ------------  ------------  ------------
      Net cash provided by operating activities.....................     4,315,032     1,549,018     1,066,032     3,383,244
                                                                      ------------  ------------  ------------  ------------
 
Cash flows from investing activities:
  Net decrease in time deposits -- domestic financial
   institutions.....................................................       360,319     1,099,940       280,903       179,681
  Purchase of investment securities held to maturity................   (17,135,111)   (4,595,144)     (460,236)      --
  Purchase of investment securities available for sale..............    (4,052,473)  (10,079,490)     (897,079)  (25,130,133)
  Proceeds from sales of investment securities available for sale...     6,228,896     5,612,195     2,433,088     7,016,462
  Proceeds from maturities of investment securities held to
   maturity.........................................................       761,144     1,916,467       691,215       --
  Proceeds from maturities of investment securities available for
   sale.............................................................     4,237,959     5,144,345     1,085,155     4,138,813
  Net loan originations.............................................   (11,080,544)   (4,561,868)   (3,061,582)   (3,730,866)
  Purchase of participations........................................      (855,625)      (51,561)     (103,125)      (19,688)
  Additions to premises and equipment...............................      (595,099)     (427,156)     (268,003)     (311,690)
  Purchase of Federal Home Loan Bank stock..........................    (2,019,800)   (1,997,700)     (982,600)   (1,127,800)
  Redemption of Federal Home Loan Bank stock........................       917,000     2,165,700       750,000       935,400
  Proceeds from sales of premises and equipment.....................        31,098         6,134         5,122        17,530
  Originations of direct financing leases...........................    (1,146,922)   (1,734,943)     (801,808)     (596,719)
  Gross payments on direct financing leases.........................       479,197       244,291       221,329       507,621
  Minority interest in subsidiary...................................       --            --            --            962,702
                                                                      ------------  ------------  ------------  ------------
      Net cash used in investing activities.........................   (23,869,961)   (7,258,790)   (1,107,621)  (17,158,687)
                                                                      ------------  ------------  ------------  ------------
 
Cash flows from financing activities:
  Net increase (decrease) in deposits...............................    10,627,331     6,172,260       (75,863)    6,510,655
  Increase (decrease) in securities sold with agreements to
   repurchase.......................................................       648,564        61,819       399,187     2,208,892
  Repayment of ESOP debt............................................       (83,000)      (89,000)      --            --
  Increase in Federal Home Loan Bank borrowings.....................     8,785,700     2,714,300       --          2,220,500
  Payment of dividends..............................................      (284,090)     (319,885)     (159,936)     (224,736)
  Other.............................................................        11,835        (7,770)       34,564       159,145
                                                                      ------------  ------------  ------------  ------------
      Net cash provided by financing activities.....................    19,706,340     8,531,724       197,952    10,874,456
                                                                      ------------  ------------  ------------  ------------
      Net increase (decrease) in cash and cash equivalents..........       151,411     2,821,952       156,363    (2,900,987)
Cash and cash equivalents at beginning of year......................     5,123,346     5,274,757     5,274,757     8,096,709
                                                                      ------------  ------------  ------------  ------------
Cash and cash equivalents at end of year............................  $  5,274,757  $  8,096,709  $  5,431,120  $  5,195,722
                                                                      ------------  ------------  ------------  ------------
                                                                      ------------  ------------  ------------  ------------
 
Supplemental disclosures of cash flow information:
  Cash paid during the year for:
    Interest........................................................  $  3,101,486  $  4,329,506  $  2,116,247  $  2,543,842
    Income taxes....................................................       990,050       662,000       306,000       175,000
 
Supplemental disclosures of investing activities:
  Unrealized gain (loss) on investment securities available for
   sale, net of tax.................................................      (681,018)    1,829,523      (635,713)   (1,375,150)
  Loans transferred to other real estate owned......................        42,920       --            --            --
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
                                      F-8
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
 
             DECEMBER 31, 1994 AND 1995 AND JUNE 30, 1995 AND 1996
             (INFORMATION AS OF JUNE 30, 1996 AND FOR THE SIX-MONTH
               PERIODS ENDED JUNE 30, 1995 AND 1996 IS UNAUDITED)
 
(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
(A) PRINCIPLES OF CONSOLIDATION
 
    The  accompanying consolidated financial statements  include the accounts of
Security Bank Holding Company (SBHC),  a bank holding company, its  wholly-owned
subsidiary,  Security Bank  (the Bank),  its majority-owned  subsidiary, Lincoln
Security Bank  (Lincoln Security),  and  the Bank's  wholly-owned  subsidiaries,
Alland,  Inc. and Security Financial  Insurance Agency. Significant intercompany
accounts and transactions have been eliminated in consolidation.
 
(B) DESCRIPTION OF BUSINESS
 
    The Bank conducts  a general  banking business. Its  activities include  the
usual  deposit  functions  of a  commercial  bank: commercial,  real  estate and
installment loans; equipment leasing; checking and savings accounts;  collection
and  escrow services and safe deposit facilities. The Bank's primary market area
consists of cities and communities along the southern Oregon coast. The Bank  is
subject  to the regulations  of certain Federal  agencies and undergoes periodic
examinations by these regulatory authorities.
 
    Security Financial Insurance Agency is in the business of selling annuities,
mutual funds,  single premium  whole  life policies  and long-term  health  care
insurance.
 
    Alland, Inc. holds title to certain assets of the Bank.
 
    Lincoln  Security  is  a newly  organized  state chartered  bank  located in
Newport, Oregon in which  SBHC holds a majority  interest. SBHC facilitated  the
organization  of Lincoln Security by purchasing 68.44% of all outstanding common
shares of Lincoln Security common stock,  with the remainder of the  outstanding
common  stock held by local investors.  Lincoln Bank commenced operations in May
of 1996, and engages in general commercial banking business. Lincoln Bank offers
commercial banking services to small  and medium size businesses,  professionals
and retail customers in the Bank's market area.
 
(C) BASIS OF FINANCIAL STATEMENT PREPARATION
 
    The  financial statements  have been  prepared in  conformity with generally
accepted accounting principles.  The interim  consolidated financial  statements
are  unaudited, but include all adjustments  consisting of only normal accruals,
which the Company considers necessary for a fair presentation of the results  of
operations  for  such interim  periods. In  preparing the  financial statements,
management is  required  to  make  estimates and  assumptions  that  affect  the
reported  amounts of assets and liabilities as  of the date of the balance sheet
and  revenues  and  expenses  for  the  period.  Actual  results  could   differ
significantly from those estimates.
 
    Estimates  that are  particularly susceptible  to significant  change in the
near-term relate to  the determination of  the reserve for  loan losses and  the
valuation  of  real  estate  acquired  in  connection  with  foreclosures  or in
satisfaction of loans. In connection with  the determination of the reserve  for
loan losses and real estate owned, management obtains independent appraisals for
significant properties.
 
    The  Bank is  located in Coos  and Curry  Counties of Oregon.  The result of
doing business in this geographic region has been growth in loan demand. A large
portion of the Bank's loans are collateralized by real estate in this geographic
area and, accordingly, the ultimate collectibility of this portion of the Bank's
loan portfolio  is  susceptible  to  changes in  the  local  market  conditions.
However, the loan
 
                                      F-9
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
portfolio  is diversified and  management believes there  is no concentration of
loans exceeding 10% for any particular industry. It is management's opinion that
the reserve for loan losses on loans and real estate owned is adequate to absorb
known and inherent risks in the loan portfolio. While management uses  available
information to recognize losses on loans and real estate owned, future additions
to  the reserve  may be  necessary based on  changes in  economic conditions. In
addition, various regulatory agencies, as an integral part of their  examination
processes,  periodically review the Bank's reserve  for losses on loans and real
estate owned. Such agencies may require  the Bank to recognize additions to  the
reserve based on their judgments about information available to them at the time
of their examinations.
 
(D) INVESTMENT SECURITIES
 
    On  January  1, 1994,  the Bank  adopted  Statement of  Financial Accounting
Standards (SFAS) No. 115, "Accounting for Certain Investments in Debt and Equity
Securities". Under this pronouncement, securities held to maturity are stated at
cost,  adjusted  for  amortization  of  premiums  and  accretion  of  discounts.
Securities  available  for sale  and trading  account  securities are  stated at
market value. Gains and losses on  sale of securities, recognized on a  specific
identification  basis, and  valuation adjustments of  trading account securities
are included in noninterest  income. Net unrealized gain  or loss on  securities
available  for sale are  included, net of  tax, as a  component of shareholders'
equity.
 
    In November 1995,  the Financial Accounting  Standards Board issued  Special
Report  No. 115-B, "A Guide to Implementation of Statement 115 on Accounting for
Certain Investments in  Debt and  Equity Securities." Special  Report No.  115-B
allowed for a one-time reclassification among investment categories. In light of
the  Special Report,  the Bank reclassified  all held to  maturity securities to
available for  sale. Total  amortized  cost of  securities transferred  and  the
related  unrealized  gains  at  the date  of  transfer  totaled  $32,016,917 and
$276,531, respectively.
 
(E) INCOME RECOGNITION
 
    Interest is accrued on a simple  interest basis. The accrual of interest  on
loans  is discontinued when, in management's judgment, the future collectibility
of interest or  principal is  in serious doubt.  Loans are  generally placed  on
nonaccrual status when they are 90 days past due.
 
    Loan origination and commitment fees, net of certain direct loan origination
costs,  are  generally  recognized over  the  life  of the  related  loan  as an
adjustment of the yield.
 
(F) RESERVE FOR LOAN LOSSES
 
    The reserve  for  loan losses  represents  management's recognition  of  the
assumed  risks of extending credit and its evaluation of the quality of the loan
portfolio. The reserve is maintained at  a level considered adequate to  provide
for  potential loan losses  based on management's  assessment of various factors
affecting the  loan portfolio,  including a  review of  problem loans,  business
conditions,  loss experience  and an  overall evaluation  of the  quality of the
portfolio. The  reserve is  increased by  provisions charged  to operations  and
reduced  by  loans charged  off, net  of  recoveries. Loans  which are  120 days
delinquent are charged off. Uncollectible interest on loans is charged off or an
allowance established by  a charge to  income equal to  all interest  previously
accrued and interest is subsequently recognized only to the extent cash payments
are  received until  delinquent interest  is paid  in full  and, in management's
judgment, the  borrower's  ability  to  make  periodic  interest  and  principal
payments is back to normal in which case the loan is returned to accrual status.
 
    The  Bank adopted Statement  of Financial Standards  No. 114, "Accounting by
Creditors for Impairment  of a Loan"  as amended by  SFAS No. 118  (collectively
referred  to as SFAS No. 114) on January 1, 1995. SFAS No. 114 does not apply to
the Bank's credit card, residential real estate, or
 
                                      F-10
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
consumer installment  loans as  these  are considered  large groups  of  smaller
balance  homogeneous loans which are collectively evaluated for impairment. SFAS
No. 114 requires entities to measure certain impaired loans based on the present
value of future cash flows discounted at the loan's effective interest rate,  or
at  the loan's  market value  or the  fair value  of collateral  if the  loan is
secured. A loan is  considered impaired when, based  on current information  and
events,  it is probable that the Bank will  be unable to collect all amounts due
according to the contractual  terms of the  loan agreement, including  scheduled
interest  payments. If the  measurement of the  impaired loans is  less than the
recorded investment  in  the  loan,  impairment is  recognized  by  creating  or
adjusting  an existing  allocation of  the allowance  for loan  losses. Impaired
loans are charged off once they are 120 days delinquent. Prior periods have  not
been restated. The Bank does not aggregate loans for the measurement of impaired
loans  as loans  have been evaluated  individually for  collectibility under the
provisions of these statements. When a loan is impaired, interest is not accrued
on the loan as interest income is  only recognized as received on a cash  basis.
Cash   receipts  are  first  applied   to  past-due  principal  payments  before
recognizing interest income.
 
(G) DIRECT FINANCING LEASES
 
    The aggregate lease payments to be received over the term of the leases plus
the estimated residual values  are capitalized as the  Bank's net investment  in
the  leases. The  excess of the  investment in the  leases over the  cost of the
equipment (unearned income) is recognized as income over the term of the lease.
 
(H) PREMISES AND EQUIPMENT
 
    Premises and equipment are stated at cost less accumulated depreciation  and
amortization.  Depreciation  and amortization  are charged  to expense  over the
estimated useful lives of  the assets (buildings --  thirty-one and one-half  to
forty  years; furniture and equipment  -- five to seven  years) and are computed
using an  accelerated method  for assets  acquired  in 1991  and after  and  the
straight-line method for assets acquired prior to 1991.
 
(I) OTHER REAL ESTATE
 
    Other  real  estate,  acquired  through  foreclosure  or  deed  in  lieu  of
foreclosure, is carried at  the lower of  cost or estimated  fair value, not  to
exceed estimated net realizable value. When the property is acquired, any excess
of  the loan balance over  the estimated net realizable  value is charged to the
reserve for loan  losses. Subsequent  write-downs, if  any, are  charged to  the
reserve for other real estate losses.
 
(J) INCOME TAXES
 
    Income  taxes  are  accounted  for under  the  asset  and  liability method.
Deferred  tax  assets  and  liabilities  are  recognized  for  the  future   tax
consequences   attributable  to  differences  between  the  financial  statement
carrying amounts of  existing assets  and liabilities and  their respective  tax
bases.  Deferred tax assets and liabilities are measured using enacted tax rates
expected to  apply to  taxable income  in  the years  in which  those  temporary
differences  are expected to be recovered or settled. The effect on deferred tax
assets and liabilities of a change in  tax rates is recognized in income in  the
period that includes the enactment date.
 
(K) NET INCOME PER SHARE
 
    Net income per share is based on the weighted average number of common share
and  common stock equivalents  outstanding during each period  and the effect of
stock options  to  the  extent  they  are  deemed  to  be  dilutive  (2,180,990,
2,269,517, 2,180,763 and 2,251,483 shares at June 30, 1995 and 1996 and December
31,  1994 and  1995, respectively).  For the years  ended December  31, 1994 and
1995, the
 
                                      F-11
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
weighted average number  of common  shares outstanding did  not include  581,052
shares  and 522,471  shares, respectively, sold  to SBHC's ESOP  as these shares
have not been allocated to participant accounts nor have they been committed  to
be released.
 
(L) CASH AND CASH EQUIVALENTS
 
    For purposes of reporting cash flows, cash and cash equivalents include cash
on hand, amounts due from banks and federal funds sold. Generally, federal funds
are sold for one-day periods.
 
(M) RECLASSIFICATIONS
 
    Certain  amounts previously reported  on the December  31, 1994 consolidated
financial statements have been reclassified to conform to classifications on the
December 31, 1995 consolidated financial statements.
 
(N) RECENTLY ISSUED ACCOUNTING STANDARDS
 
    In May  1995,  the  FASB  issued SFAS  No.  122,  "Accounting  for  Mortgage
Servicing  Rights". SFAS  No. 122  amends certain provisions  of SFAS  No. 65 to
eliminate the accounting  distinction between rights  to service mortgage  loans
for  others  that are  acquired through  loan  origination activities  and those
acquired through purchase transactions. The provision  of SFAS No. 122 shall  be
applied  prospectively  in fiscal  years beginning  after  December 15,  1995 to
transactions in  which  a  mortgage  banking  enterprise  sells  or  securitizes
mortgage  loans with servicing rights retained  and to impairment evaluations of
all amounts capitalized as mortgage servicing rights, including those  purchased
before  the adoption of this statement. The Bank plans to implement SFAS No. 122
in fiscal 1996 and does not expect  implementation to have a material impact  on
the Bank's financial position or results of operations.
 
    In  October 1995, the FASB issued  SFAS No. 123, "Accounting for Stock-Based
Compensation", which applies  to all  transactions in which  an entity  acquires
goods  or services issuing equity instruments  or by incurring liabilities where
the payment amounts  are based on  the entity's common  stock price, except  for
employee  stock  ownership plans  (ESOP's).  The SFAS  covers  transactions with
employees and  non-employees and  is applicable  to both  public and  non-public
entities.
 
    SFAS  No. 123 requires that, except for transactions with employees that are
within the scope  of APB  Opinion No.  25, all  transactions in  which goods  or
services  are the consideration received for  the issuance of equity instruments
are to be accounted for based on the fair value of the consideration received or
the fair  value of  the equity  instrument issued,  whichever is  more  reliably
measurable.   However,  it  also  allows  an   entity  to  continue  to  measure
compensation costs for  those plans using  the intrinsic value  based method  of
accounting  prescribed by  APB Opinion No.  25, "Accounting for  Stock Issued to
Employees". Entities electing to follow the accounting methods in Opinion No. 25
must make pro forma  disclosures of net income  and, if presented, earnings  per
share,  as if the fair  value method of accounting  defined in the statement had
been applied.
 
    SFAS No. 123 is  effective for years beginning  after December 15, 1995,  or
for  an earlier fiscal  year for which  this statement is  initially adopted for
recognizing compensation costs. Pro forma disclosures required for entities that
elect to continue to measure compensation cost using Opinion No. 25 must include
the effects of all awards granted in fiscal years that begin after December  15,
1994.  SBHC  has elected  to  continue pursuing  Opinion  No. 25  and  will make
necessary SFAS No. 123 pro forma disclosures.
 
                                      F-12
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
(O) STOCK SPLIT
 
    On September 20, 1995,  SBHC's Board of  Directors approved a  three-for-two
common stock split in the form of a 50% stock dividend paid during January 1996.
The par value of the new shares issued totaled $4,603,445, the majority of which
was  transferred from retained earnings  after transferring substantially all of
surplus. Accordingly, all share and per share data have been restated to reflect
the stock split. SBHC's Board of  Directors approved a two-for-one common  stock
split  in the form of  a 100% stock dividend  paid during 1994. Accordingly, all
share and per share data have been restated to reflect the stock split.
 
(2) CASH AND DUE FROM BANKS
    The Bank is required to maintain an average reserve balance with the Federal
Reserve Bank, or maintain such reserve balance  in the form of cash. The  amount
of this required reserve balance at December 31, 1994 and 1995 was approximately
$1,034,000  and  $1,020,000,  respectively,  and was  met  by  holding  cash and
maintaining an average reserve balance with the Federal Reserve Bank.
 
(3) INVESTMENT SECURITIES
    The Bank changed its  method of accounting for  certain investments in  debt
and  equity  securities in  connection  with the  issuance  of SFAS  No.  115 as
described in note  1. Upon the  adoption of  SFAS No. 115,  the Bank  classified
fixed  maturity securities  with amortized costs  and estimated  market value of
$43,242,659 and $43,723,618,  respectively, as  available-for-sale and  recorded
the  securities  at fair  value. Previously  those  securities were  recorded at
amortized  cost.  The  effect  of  the   adoption  was  a  $324,647  credit   to
shareholders'  equity which  has been combined  with 1994  changes in unrealized
losses on  securities  available  for  sale  to arrive  at  a  net  decrease  in
shareholders' equity of $681,018 during 1994.
 
                                      F-13
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
 
(3) INVESTMENT SECURITIES (CONTINUED)
    The  amortized  costs, unrealized  gains,  unrealized losses,  and estimated
market values of investment  securities at December 31,  1994 and 1995 and  June
30, 1996 are summarized as follows:
 
<TABLE>
<CAPTION>
                                                                      ESTIMATED
                                                         AMORTIZED     MARKET     UNREALIZED  UNREALIZED
                                                           COST         VALUE       GAINS       LOSSES
                                                        -----------  -----------  ----------  ----------
<S>                                                     <C>          <C>          <C>         <C>
December 31, 1994:
  Available for sale:
    U.S. Government and Federal agencies..............  $   499,701  $   499,215  $   --      $      486
    Mortgage-backed securities........................    1,698,229    1,578,227       3,231     123,233
    U.S. Treasury.....................................    6,051,604    5,850,290      10,404     211,718
    Corporate obligations.............................   15,861,574   15,292,099      21,768     591,243
    U.S. Federal securities mutual bond funds.........    1,740,818    1,365,637      --         375,181
                                                        -----------  -----------  ----------  ----------
      Total available for sale........................  $25,851,926  $24,585,468  $   35,403  $1,301,861
                                                        -----------  -----------  ----------  ----------
                                                        -----------  -----------  ----------  ----------
  Held to maturity:
    U.S. Government and Federal agencies..............    1,063,647    1,021,250      --          42,397
    Mortgage-backed securities........................   10,005,308    9,407,067      --         598,241
    U.S. Treasury.....................................    1,990,889    1,921,560      --          69,329
    Corporate obligations.............................      514,605      501,585      --          13,020
    Obligations of state and political subdivisions...   15,700,243   15,819,038     348,475     229,680
                                                        -----------  -----------  ----------  ----------
      Total held to maturity..........................  $29,274,692  $28,670,500  $  348,475  $  952,667
                                                        -----------  -----------  ----------  ----------
                                                        -----------  -----------  ----------  ----------
December 31, 1995:
  Available for sale:
    U.S. Government and Federal agencies..............  $ 4,050,026  $ 4,124,050  $   74,024  $   --
    Mortgage-backed securities........................   19,832,982   20,120,370     305,801      18,413
    U.S. Treasury.....................................    6,008,416    6,110,595     111,216       9,037
    Corporate obligations.............................    9,605,693    9,566,990      63,764     102,467
    U.S. Federal securities mutual bond funds.........      984,550      937,350      --          47,200
    Obligations of state and political subdivision....   16,461,146   17,368,220     914,907       7,833
                                                        -----------  -----------  ----------  ----------
      Total available for sale........................  $56,942,813  $58,227,575  $1,469,712  $  184,950
                                                        -----------  -----------  ----------  ----------
                                                        -----------  -----------  ----------  ----------
June 30, 1996:
  Available for sale:
    U.S. Government and Federal agencies..............   15,043,238   14,665,358      11,260     389,140
    Mortgage-backed securities........................   30,298,756   29,758,717      19,335     559,374
    U.S. Treasury.....................................    1,993,956    2,015,620      21,664      --
    Corporate obligations.............................    5,253,424    5,212,562      14,337      55,199
    U.S. Federal securities mutual bond funds.........      984,550      749,850      --         234,700
    Obligations of state and political subdivision....   17,303,072   17,626,351     452,962     129,683
                                                        -----------  -----------  ----------  ----------
      Total available for sale........................  $70,876,996  $70,028,458  $  519,558  $1,368,096
                                                        -----------  -----------  ----------  ----------
                                                        -----------  -----------  ----------  ----------
</TABLE>
 
    Gross  realized  gains  and gross  realized  losses on  sales  of securities
available for sale for the years ended December 31, 1994 and 1995 were:
 
<TABLE>
<CAPTION>
                                                                 1994                    1995
                                                        ----------------------  ----------------------
                                                        REALIZED    REALIZED     REALIZED    REALIZED
                                                          GAINS      LOSSES        GAINS      LOSSES
                                                        ---------  -----------  -----------  ---------
<S>                                                     <C>        <C>          <C>          <C>
U.S. Government and Federal agencies..................  $   1,163      --            21,829     --
U.S. Treasury.........................................     --              292        5,086     --
Corporate obligations.................................     13,492       33,639       24,966     12,888
U.S. Federal securities mutual bond funds.............     --          153,125      --          80,008
Obligations of state and political subdivisions.......      4,246      --            53,532     --
                                                        ---------  -----------  -----------  ---------
                                                        $  18,901  $   187,056  $   105,413  $  92,896
                                                        ---------  -----------  -----------  ---------
                                                        ---------  -----------  -----------  ---------
</TABLE>
 
                                      F-14
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
(3) INVESTMENT SECURITIES (CONTINUED)
    Approximate investment  portfolio maturities  at December  31, 1995  are  as
follows:
 
<TABLE>
<CAPTION>
                                                                         SECURITIES AVAILABLE FOR SALE
                                                                         ------------------------------
                                                                                           ESTIMATED
                                                                         AMORTIZED COST   MARKET VALUE
                                                                         --------------  --------------
<S>                                                                      <C>             <C>
One year or less.......................................................  $    7,178,071  $    7,147,555
After one year through five years......................................      18,853,408      19,201,760
After five years through ten years.....................................      11,483,485      12,010,496
After ten years........................................................      19,427,849      19,867,764
                                                                         --------------  --------------
  Total................................................................  $   56,942,813  $   58,227,575
                                                                         --------------  --------------
                                                                         --------------  --------------
</TABLE>
 
    The  following table represents the carrying  value of securities pledged to
secure public deposits as required or permitted by law and securities sold under
agreements to repurchase at December 31, 1994 and 1995:
 
<TABLE>
<CAPTION>
                                                                              1994            1995
                                                                         --------------  --------------
<S>                                                                      <C>             <C>
U.S. Government and Federal agencies...................................  $    1,017,365  $    5,215,999
U.S. Treasury..........................................................       6,882,119       6,110,595
Obligations of state and political subdivisions........................       2,608,940       2,397,856
                                                                         --------------  --------------
                                                                         $   10,508,424  $   13,724,450
                                                                         --------------  --------------
                                                                         --------------  --------------
</TABLE>
 
(4) LOANS
    Major categories of loans at  December 31, 1994 and  1995 and June 30,  1996
included in the portfolio are as follows:
 
<TABLE>
<CAPTION>
                                                                  DECEMBER 31,
                                                         ------------------------------
                                                              1994            1995       JUNE 30, 1996
                                                         --------------  --------------  --------------
<S>                                                      <C>             <C>             <C>
Commercial -- real estate..............................  $   15,980,024  $   16,627,336  $   15,331,267
Commercial -- lines of credit..........................      20,610,333      23,164,048      24,159,920
Residential -- real estate.............................      19,964,705      19,231,938      20,338,719
Installment............................................      15,669,788      18,662,005      20,309,155
Credit cards and other.................................       2,879,007       3,058,299       3,059,688
                                                         --------------  --------------  --------------
  Total loans..........................................      75,103,857      80,743,626      83,198,749
Deferred loan fees, net................................        (165,084)       (153,203)       (148,869)
Reserve for loan losses................................      (1,016,770)     (1,062,993)     (1,058,736)
                                                         --------------  --------------  --------------
  Net loans............................................  $   73,922,003  $   79,527,430  $   81,991,144
                                                         --------------  --------------  --------------
                                                         --------------  --------------  --------------
</TABLE>
 
                                      F-15
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
(4) LOANS (CONTINUED)
    Approximate  loan portfolio maturities on fixed  rate loans and repricing on
variable rate loans at December 31, 1995 and June 30, 1996 are as follows:
<TABLE>
<CAPTION>
                                                                 DECEMBER 31, 1995
                                           --------------------------------------------------------------
                                             WITHIN ONE     ONE TO FIVE      AFTER FIVE
                                                YEAR           YEARS           YEARS           TOTAL
                                           --------------  --------------  --------------  --------------
<S>                                        <C>             <C>             <C>             <C>
Commercial -- real estate................  $    8,820,211  $    4,771,674  $    3,035,451  $   16,627,336
Commercial -- lines of credit............      18,156,836       3,537,461       1,469,751      23,164,048
Residential -- real estate...............      12,069,155       1,611,831       5,550,952      19,231,938
Installment..............................       1,769,210       9,770,160       7,122,635      18,662,005
Credit cards and other...................       2,965,164          93,135        --             3,058,299
                                           --------------  --------------  --------------  --------------
                                           $   43,780,576  $   19,784,261  $   17,178,789  $   80,743,626
                                           --------------  --------------  --------------  --------------
                                           --------------  --------------  --------------  --------------
 
<CAPTION>
 
                                                                   JUNE 30, 1996
                                           --------------------------------------------------------------
                                             WITHIN ONE     ONE TO FIVE      AFTER FIVE
                                                YEAR           YEARS           YEARS           TOTAL
                                           --------------  --------------  --------------  --------------
<S>                                        <C>             <C>             <C>             <C>
Commercial -- real estate................  $    7,603,120  $    5,109,493  $    2,618,654  $   15,331,267
Commercial -- lines of credit............      18,943,112       3,720,507       1,496,301      24,159,920
Residential -- real estate...............       9,537,814       1,917,715       8,883,190      20,338,719
Installment..............................       1,652,805      10,821,868       7,834,482      20,309,155
Credit cards and other...................       2,975,859          83,829        --             3,059,688
                                           --------------  --------------  --------------  --------------
                                           $   40,712,710  $   21,653,412  $   20,832,627  $   83,198,749
                                           --------------  --------------  --------------  --------------
                                           --------------  --------------  --------------  --------------
</TABLE>
 
    Mortgage loans held for  sale are included above  as real estate -  mortgage
loans maturing within one year.
 
    Loans  on  nonaccrual status  were  approximately $432,000  and  $483,000 at
December 31, 1995  and June  30, 1996,  respectively. There  were no  nonaccrual
status  loans  at  December 31,  1994.  Interest  income which  would  have been
realized on nonaccrual  loans if  they had remained  current was  insignificant.
There  were no loans past due greater than  90 days but not on nonaccrual status
at December 31, 1995 or 1994 or June 30, 1996.
 
    Renegotiated loans  were approximately  $499,999, $463,000  and $447,000  at
December 31, 1994 and 1995 and June 30, 1996, respectively. At December 31, 1995
and  June  30,  1996,  these  loans, under  their  renegotiated  terms,  are not
considered impaired under SFAS No. 114.
 
    The Bank had no commitments to  extend additional credit on loans which  are
renegotiated, non accrual or impaired at December 31, 1995 or June 30, 1996.
 
    At  December  31,  1994  and  1995 and  June  30,  1996,  the  Bank serviced
approximately $118,664,000,  $141,649,000  and  $159,415,896,  respectively,  of
loans owned by others.
 
    The Bank's lending activities are concentrated in southern Oregon.
 
                                      F-16
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
(5) RESERVE FOR LOAN LOSSES
    Transactions in the reserve for loan losses for the years ended December 31,
1994 and 1995 and the six months ended June 30, 1996 were as follows:
 
<TABLE>
<CAPTION>
                                                                     DECEMBER 31,
                                                             ----------------------------    JUNE 30,
                                                                 1994           1995           1996
                                                             -------------  -------------  -------------
<S>                                                          <C>            <C>            <C>
Balance, beginning of year.................................  $     909,131  $   1,016,770  $   1,062,993
Provision for loan losses..................................        200,000        160,000         90,000
Loans charged off..........................................       (148,638)      (185,158)      (108,235)
Recoveries of loans previously charged off.................         56,277         71,381         13,978
                                                             -------------  -------------  -------------
Balance, end of year.......................................  $   1,016,770  $   1,062,993  $   1,058,736
                                                             -------------  -------------  -------------
                                                             -------------  -------------  -------------
</TABLE>
 
    The recorded investment in loans for which an impairment has been recognized
at  December 31, 1995 and June 30, 1996 were $111,475 and $78,509, respectively.
The related allowance for  doubtful accounts at December  31, 1995 and June  30,
1996  was $36,400 and $52,200, respectively.  The average recorded investment in
impaired loans during 1995  and during the  six months ended  June 30, 1996  was
$159,482  and  $102,901, respectively.  Interest  income recognized  on impaired
notes receivable  during  1995 and  the  six months  ended  June 30,  1996,  was
insignificant.
 
(6) DIRECT FINANCING LEASES
    Following  are  the components  of the  net  investment in  direct financing
leases at December 31, 1994 and 1995:
 
<TABLE>
<CAPTION>
                                                                                1994           1995
                                                                            -------------  -------------
<S>                                                                         <C>            <C>
Total minimum lease payments receivable...................................  $   1,449,788  $   2,998,730
Add:
  Estimated unguaranteed residual values of leased equipment..............        105,378        274,609
  Equipment acquired for lease, under interim rent........................        729,196        865,357
Less:
  Unearned income.........................................................        233,210        596,892
                                                                            -------------  -------------
    Net investment in direct financing leases.............................  $   2,051,152  $   3,541,804
                                                                            -------------  -------------
                                                                            -------------  -------------
</TABLE>
 
    Future minimum lease payments to be received on direct financing leases  are
as follows:
 
<TABLE>
<S>                                                              <C>
Year ending December 31:
  1996.........................................................  $  932,202
  1997.........................................................     775,078
  1998.........................................................     563,320
  1999.........................................................     447,395
  2000.........................................................     169,807
  Thereafter...................................................     110,928
                                                                 ----------
    Total......................................................  $2,998,730
                                                                 ----------
                                                                 ----------
</TABLE>
 
                                      F-17
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
(7) PREMISES AND EQUIPMENT
    The  composition of premises and equipment at  December 31, 1994 and 1995 is
as follows:
 
<TABLE>
<CAPTION>
                                                                               1994            1995
                                                                          --------------  --------------
<S>                                                                       <C>             <C>
Land....................................................................  $      100,000  $      100,000
Buildings and leasehold improvements....................................       3,713,369       3,807,449
Furniture and equipment.................................................       2,552,753       2,826,730
                                                                          --------------  --------------
                                                                               6,366,122       6,734,179
Less accumulated depreciation and amortization..........................      (3,104,938)     (3,493,026)
                                                                          --------------  --------------
  Net premises and equipment............................................  $    3,261,184  $    3,241,153
                                                                          --------------  --------------
                                                                          --------------  --------------
</TABLE>
 
(8) SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE
 
<TABLE>
<CAPTION>
                                                                                   CARRYING
                                                                   WEIGHTED        VALUE OF     MARKET VALUE
                                                  REPURCHASE        AVERAGE       UNDERLYING    OF UNDERLYING
                                                    AMOUNT       INTEREST RATE      ASSETS         ASSETS
                                                 -------------  ---------------  -------------  -------------
<S>                                              <C>            <C>              <C>            <C>
December 31, 1994:
  Overnight....................................  $   2,812,800         3.11%     $   2,940,485  $   2,940,485
December 31, 1995:
  Overnight....................................  $   2,874,619         4.10%     $   3,620,660  $   3,620,660
</TABLE>
 
    The securities underlying agreements to repurchase entered into by the  Bank
are  for  the  same  securities  originally sold.  In  all  cases,  the creditor
maintains control  over  the securities.  Securities  sold under  agreements  to
repurchase  averaged approximately  $2,797,000 for  the year  ended December 31,
1995 and the  maximum amount  outstanding at any  month-end for  the year  ended
December 31, 1995 was approximately $3,555,000.
 
(9) TIME DEPOSITS
    Time  certificates of deposit in excess of $100,000 aggregated approximately
$12,728,000 and  $18,305,000  at  December  31,  1994  and  1995,  respectively.
Interest  expense on these  certificates amounted to  approximately $232,000 and
$855,000 for the years ended December 31, 1994 and 1995, respectively.
 
                                      F-18
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
 
(10) EMPLOYEE BENEFIT PLANS
 
EMPLOYEE SAVINGS PLAN
 
    The  Bank has a qualified profit  sharing 401(k) plan covering all half-time
or  greater  personnel  with   at  least  twelve   months  of  service.   Actual
contributions  to the plan are determined by  the Board of Directors and are not
to exceed  the  amount  deductible  for  federal  income  tax  purposes.  Actual
contributions  amounted to 0%  of voluntary employee contributions  (up to 6% of
salaries) in  1995 and  25% in  1994. Profit  sharing contributions  charged  to
operations  were approximately  $32,000 in  1994. There  were no  profit sharing
contributions charged to operations in 1995.
 
EMPLOYEE STOCK OWNERSHIP PLAN (ESOP)
 
    SBHC sponsors a leveraged employee  stock ownership plan (ESOP) that  covers
all employees who meet the eligibility requirements. To be eligible, an employee
must  be age twenty-one or  older and have completed  one year of service during
which  the  employee  has  at  least  1,000  hours  of  service.  The  ESOP   is
noncontributory. Employees are 20% vested after two years of service and vesting
increases  at the rate of 20% each  year thereafter such that employees are 100%
vested after six years of service.  SBHC makes annual contributions to the  ESOP
at  a minimum,  sufficient to pay;  interest due on  outstanding loans, required
principal repayments;  operating expenses  and administrative  fees. In  certain
years, SBHC has also deposited additional funds to enable the ESOP to repurchase
shares  from participants. All  dividends received by  the ESOP are  used to pay
debt service. The ESOP shares initially were pledged as collateral for its debt.
As the  debt  is  repaid, shares  are  released  from collateral  based  on  the
proportion of debt service paid in the year and allocated to active employees.
 
    The  debt related to the ESOP is recorded  as debt and the shares pledged as
collateral are  reported as  unearned ESOP  shares on  the consolidated  balance
sheets.  As shares  are committed to  be released from  collateral, SBHC reports
compensation expense equal to  the current market price  of the shares, and  the
shares  become outstanding  for per  share computations.  Dividends on allocated
ESOP shares  are recorded  as a  reduction of  retained earnings;  dividends  on
unallocated  ESOP  shares  are  recorded  as a  reduction  of  debt  and accrued
interest.
 
    SBHC has ESOP related debt of $733,000 and $644,000 at December 31, 1994 and
1995, respectively. The ESOP debt consists of a note payable to Bank of  America
with a variable interest rate payable quarterly of 8.0% at December 31, 1995. In
addition,  during  1993, SBHC  loaned the  ESOP  $1,583,205 to  purchase 365,355
shares of its common  stock. This loan is  not reflected on SBHC's  consolidated
balance sheets at December 31, 1995 and 1994.
 
    The ESOP shares as of December 31, 1994 and 1995 were as follows:
 
<TABLE>
<CAPTION>
                                                                                1994           1995
                                                                            -------------  -------------
<S>                                                                         <C>            <C>
Allocated.................................................................        346,338        397,675
Shares released for allocation............................................         57,213         58,581
Unreleased shares.........................................................        581,052        522,471
                                                                            -------------  -------------
  Total ESOP shares.......................................................        984,603        978,727
                                                                            -------------  -------------
                                                                            -------------  -------------
Fair value of unreleased shares...........................................  $   3,389,470  $   4,134,487
                                                                            -------------  -------------
                                                                            -------------  -------------
</TABLE>
 
STOCK OPTION PLANS
 
    The  Bank maintains  an Employee  Stock Option  Plan (the  "Employee Plan"),
adopted in 1995,  under which 276,000  shares of common  stock are reserved  for
issuance  to key employees. The Employee Plan  provides for the grant of options
to purchase shares to selected employees. The purchase price of shares for which
stock  options  are  granted   shall  not  be  less   than  100%  of  the   fair
 
                                      F-19
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
(10) EMPLOYEE BENEFIT PLANS (CONTINUED)
market  value of  such shares on  the date  of grant. Options  granted under the
Employee Plan are  exercisable in installments  and expire on  such date as  the
Compensation  Committee of the  Board of Directors may  determine, but not later
than ten years from the date of grant.
 
    The following  table summarizes  stock option  activity for  the year  ended
December 31, 1995:
 
<TABLE>
<CAPTION>
                                                                                     EMPLOYEE PLAN
                                                                                 ----------------------
                                                                                              AVERAGE
                                                                                             EXERCISE
                                                                                  SHARES       PRICE
                                                                                 ---------  -----------
<S>                                                                              <C>        <C>
Granted........................................................................     96,600   $    5.67
                                                                                 ---------       -----
Outstanding options at December 31, 1995.......................................     96,600   $    5.67
                                                                                 ---------       -----
                                                                                 ---------       -----
Exercisable at December 31, 1995...............................................     --       $  --
                                                                                 ---------       -----
                                                                                 ---------       -----
Shares available for future grant at December 31, 1995.........................    179,400
                                                                                 ---------
                                                                                 ---------
</TABLE>
 
PHANTOM STOCK DEFERRED COMPENSATION PLAN
 
    As  of January  1, 1996, Security  Bank established  a deferred compensation
plan for a select group of  key employees to provide for unfunded,  nonqualified
deferred  compensation to assist in attracting  and retaining such key employees
and to encourage such employees to devote their best efforts to the business  of
the  Bank.  An  eligible  employee is  permitted  to  defer up  to  20%  of that
employee's base salary and 100% of any cash bonus, and is required to defer  not
less  than 2% of base salary and 20% of any cash bonus. Deferred compensation is
credited to the participant's  account in the form  of phantom stock units,  the
number  of units  being determined  by dividing  the amount  of the compensation
deferred by the base  price established annually by  the Board of Directors  for
that  plan year's deferrals. The  base price of each unit  is the average of the
bid and ask prices of SBHC's common stock  for the last ten trading days of  the
preceding  calendar  year. Compensation  expense  is recognized  for  the amount
credited to the participant's account each year. For the six-month period  ended
June  30, 1996, SBHC  recognized $4,337 in compensation  expense related to this
plan. Distributions to a  participating employee are made  in cash only and  are
made  within sixty days  after the earlier of  the employee's death, disability,
termination of employment, change  of control of SBHC  or the attainment of  the
age  specified in  the Plan  agreement between the  employee and  the Bank. Upon
distribution, the  deferral compensation  amount is  valued by  multiplying  the
cumulative  number of  phantom stock  units by  the average  of the  bid and ask
prices of SBHC common stock on the date of distribution. At June 30, 1996, there
is only one participant in the Plan.
 
(11) RETAINED EARNINGS
    The Bank, as a state-chartered bank, is prohibited from declaring or  paying
any  dividends in an amount greater than undivided profits. At December 31, 1994
and  1995,  undivided  profits  of  approximately  $5,454,681  and   $3,708,787,
respectively,  were available  for the payment  of dividends to  SBHC with prior
regulatory approval.
 
                                      F-20
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
(12) COMMITMENTS AND CONTINGENT LIABILITIES
    The Bank  is leasing  three of  its branches  under operating  leases  which
include  various renewal  and purchase  options. The  approximate future minimum
rental payments under these leases are as follows:
 
<TABLE>
<S>                                                        <C>
Year ending December 31:
  1996...................................................  $  94,300
  1997...................................................     81,000
  1998...................................................     74,300
  1999...................................................     40,800
  2000...................................................     40,800
  Thereafter.............................................    132,500
                                                           ---------
                                                           $ 463,700
                                                           ---------
                                                           ---------
</TABLE>
 
    Rental expense  for  all  operating leases  was  approximately  $93,000  and
$94,000 for the years ended December 31, 1994 and 1995, respectively.
 
    At December 31, 1995, the Bank has $20,816,000 of unused lines of credit.
 
    The  Bank is a party to financial instruments with off-balance sheet risk in
the normal course of business to meet  the financing needs of its customers  and
to   ensure  performance  of  certain  commercial  customer  obligations.  These
financial instruments  include  commitments  outstanding to  extend  credit  and
commercial  standby letters of credit and involve varying degrees of credit risk
and market risk.
 
    Credit risk, as defined  by SFAS No. 105,  "Disclosure of Information  about
Financial Instruments with Off-Balance-Sheet Risk and Financial Instruments with
Concentration  of Credit Risk" represents  the maximum potential accounting loss
due to possible non-performance by  obligors and counterparties under the  terms
of  their  contracts.  Market risk  represents  the  potential loss  due  to the
decrease in the value of a  financial instrument caused primarily by changes  in
interest  rates  or  foreign  exchange  rates,  or  the  prices  of  equities or
commodities (or related indices).
 
    The Bank  uses  the same  policies  in making  commitments  and  conditional
obligations as it does for on-balance sheet instruments.
 
    At  December 31,  1994 and 1995,  these commitments and  obligations were as
follows:
 
<TABLE>
<CAPTION>
                                                                   1994                          1995
                                                       ----------------------------  ----------------------------
                                                         CONTRACT      CREDIT RISK     CONTRACT      CREDIT RISK
                                                          AMOUNT         AMOUNT         AMOUNT         AMOUNT
                                                       -------------  -------------  -------------  -------------
<S>                                                    <C>            <C>            <C>            <C>
Commitments to extend credit.........................  $   5,515,000  $   5,515,000  $   6,274,000  $   6,274,000
Standby letters of credit and similar arrangements...        401,000        401,000        424,000        424,000
                                                       -------------  -------------  -------------  -------------
                                                       $   5,916,000  $   5,916,000  $   6,698,000  $   6,698,000
                                                       -------------  -------------  -------------  -------------
                                                       -------------  -------------  -------------  -------------
</TABLE>
 
    At December  31, 1994  and 1995  commitments and  obligations at  fixed  and
variable rates were as follows:
 
<TABLE>
<CAPTION>
                                                                                          1994           1995
                                                                                      -------------  -------------
<S>                                                                                   <C>            <C>
Fixed rates.........................................................................  $   5,480,000  $   5,633,000
Variable rates......................................................................        436,000      1,065,000
                                                                                      -------------  -------------
                                                                                      $   5,916,000  $   6,698,000
                                                                                      -------------  -------------
                                                                                      -------------  -------------
</TABLE>
 
                                      F-21
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
(12) COMMITMENTS AND CONTINGENT LIABILITIES (CONTINUED)
    Commitments to extend credit are agreements to lend to a customer as long as
there  is no violation of any condition established in the contract. Commitments
generally have  fixed expiration  dates  or other  termination clauses  and  may
require  payment of a fee. Since many  of the commitments are expected to expire
without being  drawn  upon, the  total  commitment amounts  do  not  necessarily
represent   future  cash  requirements.  The   Bank  evaluates  each  customer's
creditworthiness on a case-by-case basis.  The amount of collateral obtained  if
deemed  necessary by the Bank upon extension  of credit is based on management's
credit evaluation of the  counterparty. Collateral held  varies but may  include
accounts  receivable,  inventory,  property,  plant,  and  equipment  and income
producing commercial properties.
 
    Standby letters of credit written are conditional commitments issued by  the
Bank  to  guarantee  the performance  of  a  customer to  a  third  party. Those
guarantees  are  primarily  issued  to  support  public  and  private  borrowing
arrangements,   including   commercial  paper,   bond  financing,   and  similar
transactions. The standby letters of credit will expire within one year.
 
    For standby letters of credit and  commitments to extend credit, the  credit
risk  amount represents  the contractual amount.  Standby letters  of credit and
commitments to extend credit would have market  risk if issued or extended at  a
fixed  rate  of  interest. However,  these  contracts  are primarily  made  at a
floating rate. Fees received are generally  recognized as revenue over the  life
of the commitment.
 
    The Bank is a defendant in legal proceedings arising in the normal course of
business.  In the opinion  of management, the  disposition of pending litigation
will not have a material effect on the Bank's financial statements.
 
(13) PROVISION FOR INCOME TAXES
    The provision for  income taxes for  the years ended  December 31, 1994  and
1995 and the six months ended June 30, 1996 consists of the following:
 
<TABLE>
<CAPTION>
                                                                                   DECEMBER 31,
                                                                             ------------------------   JUNE 30,
                                                                                1994         1995         1996
                                                                             -----------  -----------  -----------
<S>                                                                          <C>          <C>          <C>
Current....................................................................  $   761,700  $   633,000  $   280,000
Deferred...................................................................      --           --           --
                                                                             -----------  -----------  -----------
                                                                             $   761,700  $   633,000  $   280,000
                                                                             -----------  -----------  -----------
                                                                             -----------  -----------  -----------
</TABLE>
 
    The  provision for  income taxes  results in  effective tax  rates which are
different from  the  Federal  income  tax statutory  rate.  The  nature  of  the
differences for the years ended December 31, 1994 and 1995 are as follows:
 
<TABLE>
<CAPTION>
                                                                                            1994          1995
                                                                                        ------------  ------------
<S>                                                                                     <C>           <C>
Computed expected Federal tax at statutory rate of 34%................................  $    828,607  $    849,017
State taxes, net of Federal effect....................................................       116,017        57,878
Tax exempt interest...................................................................      (280,910)     (315,202)
Change in valuation allowance.........................................................        27,500         7,273
ESOP fair value adjustment and dividends..............................................        23,530        29,545
Other, net............................................................................        46,956         4,489
                                                                                        ------------  ------------
                                                                                        $    761,700  $    633,000
                                                                                        ------------  ------------
                                                                                        ------------  ------------
</TABLE>
 
                                      F-22
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
(13) PROVISION FOR INCOME TAXES (CONTINUED)
    The  tax effects  of temporary  differences which  give rise  to significant
portions of deferred tax assets and deferred tax liabilities at December 31,1994
and 1995 are as follows:
 
<TABLE>
<CAPTION>
                                                                                           1994           1995
                                                                                       -------------  ------------
<S>                                                                                    <C>            <C>
Deferred tax assets:
  Investment securities, due to reserve for unrealized losses........................  $     434,522  $    --
  Loans receivable, due to allowances for possible loan losses.......................        255,263       273,059
  Other liabilities, due to deferred compensation reserve............................        167,469       199,323
  Deferred loan fees.................................................................         63,557        58,984
  Other..............................................................................        104,720       112,423
                                                                                       -------------  ------------
    Total gross deferred tax assets..................................................      1,025,531       643,789
  Less valuation allowance...........................................................       (356,000)     (237,000)
                                                                                       -------------  ------------
    Net deferred tax assets..........................................................        669,531       406,789
                                                                                       -------------  ------------
Deferred tax liabilities:
  Investment securities, due to reserve for unrealized gains.........................       --             414,716
  Investment securities, due to accretion of discount................................         47,341        75,899
  Premises and equipment, due to differences in depreciation.........................        248,980       278,351
  Other..............................................................................         70,012        57,590
                                                                                       -------------  ------------
    Total gross deferred tax liabilities.............................................        366,333       826,556
                                                                                       -------------  ------------
    Net deferred tax asset (liability)...............................................  $     303,198  $   (419,767)
                                                                                       -------------  ------------
                                                                                       -------------  ------------
</TABLE>
 
    The valuation allowance for  deferred tax assets as  of January 1, 1994  was
$328,500.  The net changes in the total  valuation allowance for the years ended
December 31, 1994 and 1995 were an(increase) decrease of $(27,500) and $119,000,
respectively. Of the net  change in the valuation  allowance for 1995,  $126,273
was credited to equity in 1995.
 
    SBHC  has determined that the valuation allowance of $237,000 as of December
31, 1995 is reasonable as it is more  likely than not that the net deferred  tax
asset of $406,789 as of that date will be principally realized through carryback
to  taxable  income in  prior years,  and future  reversals of  existing taxable
temporary differences, and to a minor extent, future taxable income.  Management
believes  that future taxable income will  be sufficient to realize the benefits
of temporary  differences that  cannot be  realized through  carryback to  prior
years or through the reversal of future temporary taxable differences.
 
(14) TRANSACTIONS WITH RELATED PARTIES
    Some  of  the directors,  executive officers  and principal  shareholders of
SBHC, and the  companies with which  they are associated,  are customers of  and
have  had banking transactions with the Bank in the ordinary course of business,
and the Bank  expects to have  such transactions  in the future.  All loans  and
commitments to loan included in such transactions were made on substantially the
same  terms (including interest rates and collateral) as those prevailing at the
time for comparable transactions with other  persons and, in the opinion of  the
management   of  the  Bank,  do  not  involve  more  than  the  normal  risk  of
collectibility or present any other unfavorable features.
 
                                      F-23
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
(14) TRANSACTIONS WITH RELATED PARTIES (CONTINUED)
    An analysis  of  activity with  respect  to loans  to  directors,  executive
officers  and principal  shareholders of SBHC  for the years  ended December 31,
1994 and 1995 is as follows:
 
<TABLE>
<CAPTION>
                                                                                         1994            1995
                                                                                     -------------  --------------
<S>                                                                                  <C>            <C>
Balance, beginning of year.........................................................  $   1,206,216  $    1,427,207
Additions..........................................................................        345,263       2,499,964
Repayments.........................................................................       (124,272)     (1,385,222)
                                                                                     -------------  --------------
Balance, end of year...............................................................  $   1,427,207  $    2,541,949
                                                                                     -------------  --------------
                                                                                     -------------  --------------
</TABLE>
 
(15) FEDERAL HOME LOAN BANK BORROWINGS
    At December 31,  1995, the Bank  had outstanding advances  from the  Federal
Home Loan Bank (FHLB) of $11,500,000 with a weighted average rate of 5.82% and a
weighted  average maturity  of 226 days.  These advances  were collateralized by
certain  investment  securities,  certain  residential  first  mortgage   loans,
deposits  with the  FHLB and  FHLB stock  totaling approximately  $11,500,000 at
December 31, 1995. The FHLB  requires the Bank to  maintain a required level  of
investment of FHLB stock.
 
(16) FAIR VALUE OF FINANCIAL INSTRUMENTS
    Pursuant  to the  SFAS No. 107,  "Disclosures about Fair  Value of Financial
Instruments", the following information is presented.
 
                                      F-24
<PAGE>
                         SECURITY BANK HOLDING COMPANY
                                AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)
 
    Financial  instruments  have  been construed  to  generally mean  cash  or a
contract that  implies  an  obligation  to deliver  cash  or  another  financial
instrument  to another  entity. The  estimated fair  values of  SBHC's financial
instruments are as follows:
 
<TABLE>
<CAPTION>
                                                                              DECEMBER 31, 1995
                                                                      ----------------------------------
                                                                      CARRYING AMOUNT      FAIR VALUE
                                                                      ----------------  ----------------
<S>                                                                   <C>               <C>
Financial assets:
  Cash equivalents and time deposits................................  $      8,646,450  $      8,646,450
  Investment securities.............................................        58,227,575        58,227,575
  Loans, net........................................................        76,911,398        77,515,006
  Mortgage loans held for sale......................................         2,616,032         2,616,032
  Federal Home Loan Bank stock......................................         1,494,600         1,494,600
Financial liabilities:
  Deposits..........................................................       127,290,415       127,420,591
  Securities sold under agreements to repurchase....................         2,874,619         2,874,619
  ESOP debt.........................................................           644,000           644,000
  Short-term borrowings.............................................           500,937           500,937
  Federal Home Loan Bank borrowings.................................        11,500,000        11,517,557
Off balance sheet financial instruments:
  Loan commitments..................................................         6,274,000         6,274,000
  Letters of credit.................................................           424,000           424,000
</TABLE>
 
    Financial assets and  financial liabilities  other than  securities are  not
traded  in active markets. The above  estimates of fair value require subjective
judgments and  are  approximate.  Changes in  the  following  methodologies  and
assumptions  could significantly affect the  estimates. These estimates may also
vary  significantly  from  the  amounts   that  could  be  realized  in   actual
transactions.
 
    - Financial  Assets -- The estimated fair  value approximates the book value
      of cash equivalents and time deposits. For investment securities, the fair
      value is  based  on quoted  market  prices. The  fair  value of  loans  is
      estimated  by discounting future  cash flows using  current rates at which
      similar loans would  be made. The  fair value of  mortgage loans held  for
      sale and Federal Home Loan Bank stock approximates the book value.
 
    - Financial  Liabilities  --  The  estimated  fair  value  of  deposits  and
      securities  sold  under   agreements  to  repurchase   are  estimated   by
      discounting  the future  cash flows using  current rates  at which similar
      deposits would be  made. The  estimated fair value  approximates the  book
      value  of ESOP debt and short-term borrowings. The estimated fair value of
      Federal Home Loan Bank borrowings  is estimated by discounting the  future
      cash flows using current rates at which similar borrowings would be made.
 
    - Off  Balance  Sheet  Financial  Instruments --  Fair  value  considers the
      difference between current levels of  interest rates and committed  rates.
      See note 12 to the consolidated financial statements.
 
    The Bank did not hold any derivative financial instruments in its investment
portfolio  at or during the year ended  December 31, 1995, with the exception of
collateralized mortgage obligations.
 
                                      F-25
<PAGE>
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
    NO  PERSON  HAS BEEN  AUTHORIZED  TO GIVE  ANY  INFORMATION OR  TO  MAKE ANY
REPRESENTATIONS IN CONNECTION WITH THIS  OFFERING OTHER THAN THOSE CONTAINED  IN
THIS   PROSPECTUS  AND,   IF  GIVEN   OR  MADE,   SUCH  OTHER   INFORMATION  AND
REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY THE COMPANY
OR THE UNDERWRITER. NEITHER  THE DELIVERY OF THIS  PROSPECTUS NOR ANY SALE  MADE
HEREUNDER  SHALL, UNDER ANY CIRCUMSTANCES, CREATE ANY IMPLICATION THAT THERE HAS
BEEN NO CHANGE IN THE AFFAIRS OF THE  COMPANY SINCE THE DATE HEREOF OR THAT  THE
INFORMATION  CONTAINED HEREIN IS CORRECT AS OF  ANY TIME SUBSEQUENT TO ITS DATE.
THIS PROSPECTUS DOES NOT  CONSTITUTE AN OFFER  TO SELL OR  A SOLICITATION OF  AN
OFFER  TO BUY ANY SECURITIES OTHER THAN THE SECURITIES TO WHICH IT RELATES. THIS
PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL OR A SOLICITATION OF AN OFFER TO
BUY SUCH SECURITIES IN ANY CIRCUMSTANCES IN WHICH SUCH OFFER OR SOLICITATION  IS
UNLAWFUL.
                           --------------------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                   PAGE
                                                 ---------
<S>                                              <C>
Prospectus Summary.............................      3
Selected Consolidated Financial Data...........      5
Risk Factors...................................      7
Use of Proceeds................................     11
Market for Common Stock........................     12
Capitalization.................................     13
Dilution.......................................     14
Dividends......................................     14
Selected Quarterly Financial Data..............     15
Management's Discussion and Analysis of
 Financial Condition and Results of
 Operations....................................     16
Business.......................................     33
Supervision and Regulation.....................     39
Management.....................................     44
Principal Shareholders.........................     50
Description of Common Stock....................     51
Underwriting...................................     54
Legal Matters..................................     54
Experts........................................     54
Transfer Agent.................................     54
Securities and Exchange Commission Policy on
 Indemnification...............................     54
Additional Information.........................     55
Index to Consolidated Financial Statements.....     F-1
</TABLE>
 
                           --------------------------
 
    UNTIL   DECEMBER  12,  1996,  ALL  DEALERS  EFFECTING  TRANSACTIONS  IN  THE
REGISTERED SECURITIES, WHETHER OR NOT PARTICIPATING IN THIS DISTRIBUTION, MAY BE
REQUIRED TO  DELIVER A  PROSPECTUS. THIS  IS IN  ADDITION TO  THE OBLIGATION  OF
DEALERS  TO DELIVER A PROSPECTUS WHEN ACTING AS UNDERWRITERS AND WITH RESPECT TO
THEIR UNSOLD ALLOTMENTS OR SUBSCRIPTIONS.
 
                                 350,000 SHARES
 
                                 SECURITY BANK
                                HOLDING COMPANY
 
                                  COMMON STOCK
 
                             ---------------------
 
                                   PROSPECTUS
 
                             ---------------------
 
                             BLACK & COMPANY, INC.
 
                               SEPTEMBER 13, 1996
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------


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